/* ================================================================
   BESNI SU ARITMA — One-Page Sales Page
   Premium Design System — CSS
   ================================================================ */

/* ── CSS Custom Properties (Design Tokens) ── */
:root {
    /* Primary — Modern Teal-Cyan */
    --c-primary: #06b6d4;
    --c-primary-dark: #0891b2;
    --c-primary-darker: #0e7490;
    --c-primary-light: #67e8f9;
    --c-primary-bg: #ecfeff;

    /* Accent — Vibrant Orange */
    --c-accent: #f97316;
    --c-accent-dark: #ea580c;
    --c-accent-light: #fdba74;

    /* Status */
    --c-success: #22c55e;
    --c-danger: #f43f5e;
    --c-warning: #f59e0b;

    /* Dark — Deep Slate */
    --c-dark: #020617;
    --c-dark-mid: #0f172a;
    --c-dark-light: #1e293b;

    /* Text */
    --c-text: #1e293b;
    --c-text-light: #475569;
    --c-text-lighter: #94a3b8;
    --c-text-white: #ffffff;
    --c-text-white-soft: rgba(255, 255, 255, 0.85);

    /* Backgrounds */
    --c-bg: #ffffff;
    --c-bg-alt: #f8fafc;
    --c-bg-warm: #fff7ed;
    --c-border: #e2e8f0;
    --c-border-light: #f1f5f9;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 1.875rem;
    --fs-3xl: 2.25rem;
    --fs-4xl: 3rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Borders & Shadows */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(2, 6, 23, 0.04), 0 1px 2px rgba(2, 6, 23, 0.03);
    --shadow-md: 0 4px 12px -2px rgba(6, 182, 212, 0.08), 0 2px 6px -2px rgba(2, 6, 23, 0.04);
    --shadow-lg: 0 12px 32px -4px rgba(6, 182, 212, 0.1), 0 4px 12px -4px rgba(2, 6, 23, 0.05);
    --shadow-xl: 0 24px 56px -12px rgba(6, 182, 212, 0.15);
    --shadow-glow: 0 0 40px rgba(6, 182, 212, 0.2);

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--fs-base);
    color: var(--c-text);
    line-height: 1.7;
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--c-primary-dark); }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ── Accessibility ── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    padding: 1rem 2rem;
    background: var(--c-dark);
    color: #fff;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-weight: 600;
}
.skip-link:focus { top: 0; }

/* ================================================================
   TOP BAR
   ================================================================ */
.top-bar {
    background: var(--c-dark);
    color: var(--c-text-white-soft);
    font-size: var(--fs-sm);
    padding: 0.5rem 0;
}
.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.top-bar-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.top-bar-item i { margin-right: 0.375rem; color: var(--c-primary-light); }
.top-bar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.top-bar-phone,
.top-bar-whatsapp {
    color: var(--c-text-white-soft);
    font-weight: 500;
    transition: var(--transition-fast);
}
.top-bar-phone:hover { color: var(--c-accent); }
.top-bar-whatsapp { color: #25d366; }
.top-bar-whatsapp:hover { color: #1da851; }

/* ================================================================
   HEADER (Sticky)
   ================================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--c-border);
    transition: box-shadow 0.3s ease;
}
.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 1rem;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}
.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: 1rem; font-weight: 800; color: var(--c-dark); letter-spacing: -0.01em; }
.logo-sub { font-size: var(--fs-xs); color: var(--c-text-light); font-weight: 500; }

/* Navigation */
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list {
    display: flex;
    list-style: none;
    gap: 0.25rem;
}
.nav-link {
    padding: 0.5rem 1rem;
    color: var(--c-text);
    font-weight: 500;
    font-size: var(--fs-sm);
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
}
.nav-link:hover {
    color: var(--c-primary);
    background: var(--c-primary-bg);
}
.nav-link.active {
    color: var(--c-primary);
    background: var(--c-primary-bg);
    font-weight: 600;
}
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--c-primary);
    border-radius: var(--radius-full);
}

/* Header CTA */
.header-cta-group {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}
.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--fs-sm);
    text-decoration: none;
    transition: var(--transition);
}
.header-cta-call {
    background: transparent;
    color: var(--c-primary);
    border: 1.5px solid var(--c-primary);
}
.header-cta-call:hover {
    background: var(--c-primary);
    color: #fff;
}
.header-cta-offer {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
    color: var(--c-dark);
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}
.header-cta-offer:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}
.hamburger-line {
    width: 24px;
    height: 2.5px;
    background: var(--c-dark);
    border-radius: 2px;
    transition: var(--transition);
}
.mobile-menu-toggle.active .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-toggle.active .hamburger-line:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Navigation */
.mobile-nav {
    background: var(--c-bg);
    border-top: 1px solid var(--c-border);
    padding: 1rem;
    display: none;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav:not([hidden]) { display: block; }
.mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.mobile-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--c-text);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}
.mobile-nav-link:hover { background: var(--c-primary-bg); color: var(--c-primary); }
.mobile-nav-contact {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--c-border);
}
.mobile-nav-phone,
.mobile-nav-whatsapp {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--fs-sm);
}
.mobile-nav-phone { background: var(--c-primary); color: #fff; }
.mobile-nav-whatsapp { background: #25d366; color: #fff; }

/* ================================================================
   HERO SECTION
   ================================================================ */
/* ── Hero Slider ── */
.hero {
    position: relative;
    overflow: hidden;
    background: #020617;
}
.hero-slider {
    position: relative;
    width: 100%;
}

/* Slides */
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
    z-index: 0;
    display: flex;
    align-items: center;
}
.hero-slide:first-child {
    position: relative;
}
.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

/* Background Image */
.hero-slide-bg {
    position: absolute;
    inset: 0;
}
.hero-slide-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.hero-slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(2, 6, 23, 0.88) 0%, rgba(15, 23, 42, 0.78) 40%, rgba(6, 182, 212, 0.15) 100%);
}

/* Content */
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 6.5rem 0 8.5rem;
}
.hero-slide.active .hero-badge {
    animation: heroFadeUp 0.6s 0.1s both;
}
.hero-slide.active .hero-title {
    animation: heroFadeUp 0.6s 0.25s both;
}
.hero-slide.active .hero-subtitle {
    animation: heroFadeUp 0.6s 0.4s both;
}
.hero-slide.active .hero-buttons {
    animation: heroFadeUp 0.6s 0.55s both;
}
.hero-slide.active .hero-trust {
    animation: heroFadeUp 0.6s 0.7s both;
}
@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(6, 182, 212, 0.12);
    border: 1px solid rgba(6, 182, 212, 0.25);
    border-radius: var(--radius-full);
    color: var(--c-primary-light);
    font-size: var(--fs-sm);
    font-weight: 600;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(8px);
}
.hero-badge i { font-size: 0.875rem; }
.hero-title {
    font-size: clamp(1.75rem, 4.5vw, 3.25rem);
    font-weight: 900;
    color: var(--c-text-white);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
}
.hero-highlight {
    background: linear-gradient(135deg, var(--c-primary-light), var(--c-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--c-text-white-soft);
    max-width: 650px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}
.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}
.hero-trust {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}
.hero-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--c-text-white-soft);
    font-size: var(--fs-sm);
    font-weight: 500;
}
.hero-trust-item i { color: var(--c-success); font-size: 1rem; }

/* Dots */
.hero-dots {
    position: absolute;
    bottom: 35px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.625rem;
    z-index: 5;
}
.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}
.hero-dot.active {
    background: #fff;
    border-color: #fff;
    transform: scale(1.2);
}
.hero-dot:hover {
    border-color: #fff;
}

/* Arrows */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(0, 0, 0, 0.2);
    color: #fff;
    font-size: var(--fs-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}
.hero-arrow:hover {
    background: rgba(6, 182, 212, 0.45);
    border-color: var(--c-primary);
    transform: translateY(-50%) scale(1.1);
}
.hero-arrow-prev { left: 24px; }
.hero-arrow-next { right: 24px; }

/* Wave */
.hero-wave {
    display: none;
}
.hero-wave svg { display: block; width: 100%; height: auto; }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--fs-base);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
    line-height: 1.4;
}
.btn-lg { padding: 0.875rem 2rem; font-size: var(--fs-md); }
.btn-sm { padding: 0.5rem 1rem; font-size: var(--fs-sm); }
.btn-block { width: 100%; }

.btn-primary {
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.45);
    color: #fff;
}

.btn-secondary {
    background: linear-gradient(135deg, #64748b, #475569);
    color: #fff;
    box-shadow: 0 4px 14px rgba(100, 116, 139, 0.25);
}
.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(100, 116, 139, 0.35);
    color: #fff;
}

.btn-accent {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
    color: var(--c-dark);
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.45);
    color: var(--c-dark);
}

.btn-outline {
    background: transparent;
    color: var(--c-primary);
    border: 2px solid var(--c-primary);
}
.btn-outline:hover {
    background: var(--c-primary);
    color: #fff;
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
}

/* ================================================================
   SECTION COMMON
   ================================================================ */
.section {
    padding: var(--space-4xl) 0;
}
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.section-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--c-primary-bg);
    color: var(--c-primary-dark);
    font-size: var(--fs-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    border: 1px solid rgba(6, 182, 212, 0.15);
}
.section-badge-warning {
    background: var(--c-bg-warm);
    color: var(--c-accent-dark);
    border-color: rgba(249, 115, 22, 0.2);
}
.section-title {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    color: var(--c-dark);
    line-height: 1.25;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}
.section-desc {
    font-size: var(--fs-md);
    color: var(--c-text-light);
    line-height: 1.7;
}

/* ================================================================
   TRUST SECTION — Redesigned
   ================================================================ */
.trust-section {
    padding: var(--space-3xl) 0 var(--space-2xl);
    background: var(--c-bg);
    position: relative;
    overflow: hidden;
}
.trust-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 85% 50%, rgba(249, 115, 22, 0.03) 0%, transparent 50%);
}
.trust-inner { position: relative; z-index: 1; }

/* Stat Cards */
.trust-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}
.trust-stat-card {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-xl);
    padding: 1.75rem 1.25rem;
    text-align: center;
    transition: var(--transition);
}
.trust-stat-card:hover {
    border-color: rgba(6, 182, 212, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.trust-stat-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 1rem;
    background: var(--c-primary-bg);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--c-primary-dark);
    transition: var(--transition);
}
.trust-stat-card:hover .trust-stat-icon {
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    border-color: var(--c-primary);
    color: #fff;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
}
.trust-stat-data {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.125rem;
    margin-bottom: 0.375rem;
}
.trust-stat-number {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 900;
    color: var(--c-dark);
    line-height: 1;
    letter-spacing: -0.03em;
}
.trust-stat-plus {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 700;
    color: var(--c-primary);
}
.trust-stat-label {
    font-size: var(--fs-sm);
    color: var(--c-text-light);
    font-weight: 500;
}

/* Certification Pills */
.trust-certs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1.25rem 2rem;
    background: var(--c-bg-alt);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-xl);
}
.trust-certs-label {
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--c-text-lighter);
    margin-right: 0.5rem;
}
.trust-cert-pills {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-wrap: wrap;
}
.trust-cert-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    background: var(--c-primary-bg);
    border: 1px solid rgba(6, 182, 212, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--c-primary-dark);
    transition: var(--transition);
}
.trust-cert-pill:hover {
    background: rgba(6, 182, 212, 0.12);
    border-color: rgba(6, 182, 212, 0.3);
    transform: translateY(-1px);
}
.trust-cert-pill i {
    font-size: 0.7rem;
    opacity: 0.7;
}

/* ================================================================
   PROBLEM SECTION
   ================================================================ */
.problem-section {
    padding: var(--space-4xl) 0;
    background: var(--c-bg);
}
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: var(--space-2xl);
    align-items: stretch;
}
.problem-card {
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--c-border);
    transition: var(--transition);
}
.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.problem-card-danger {
    background: linear-gradient(135deg, #fef2f2, #fff1f2);
    border-color: #fecaca;
}
.problem-card-warning {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    border-color: #fde68a;
}
.problem-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}
.problem-card-danger .problem-icon { background: #fee2e2; color: #dc2626; }
.problem-card-warning .problem-icon { background: #fde68a; color: #b45309; }
.problem-title {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 1rem;
}
.problem-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.problem-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    font-size: var(--fs-sm);
    color: var(--c-text);
    line-height: 1.6;
}
.problem-card-danger .problem-list i { color: #dc2626; font-size: 0.75rem; margin-top: 0.3rem; flex-shrink: 0; }
.problem-card-warning .problem-list i { color: #b45309; font-size: 0.75rem; margin-top: 0.3rem; flex-shrink: 0; }

.problem-solution {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--c-primary-bg), #e0f2fe);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(14, 165, 233, 0.15);
}
.problem-solution-icon {
    width: 48px;
    height: 48px;
    background: var(--c-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.25rem;
    animation: bounceDown 2s infinite;
}
@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}
.problem-solution-text {
    font-size: var(--fs-md);
    color: var(--c-dark-mid);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* ================================================================
   CATALOG / PRODUCTS (Filterable)
   ================================================================ */
.products-section {
    background: var(--c-bg-alt);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}
.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: 2px solid var(--c-border);
    border-radius: var(--radius-full);
    background: var(--c-bg);
    color: var(--c-text);
    font-weight: 600;
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
}
.filter-btn:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
    background: var(--c-primary-bg);
}
.filter-btn.active {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
    color: #fff;
    border-color: var(--c-primary);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.45), 0 2px 6px rgba(14, 165, 233, 0.25);
    transform: scale(1.06);
}

/* Catalog Grid */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    align-items: stretch;
}
.catalog-card {
    background: var(--c-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--c-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 4px 12px rgba(2, 6, 23, 0.03);
}
.catalog-card.hidden {
    display: none;
    opacity: 0;
    transform: scale(0.9);
}
.catalog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(6, 182, 212, 0.25);
}
.catalog-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #ecfeff, #f0f9ff);
}
.catalog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.catalog-card:hover .catalog-card-image img { transform: scale(1.06); }

/* Glassmorphism Badges */
.catalog-card-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.35rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.catalog-badge-product { background: rgba(6, 182, 212, 0.85); color: #fff; }
.catalog-badge-part { background: rgba(139, 92, 246, 0.85); color: #fff; }
.catalog-badge-service { 
    background: rgba(249, 115, 22, 0.85); 
    color: #fff; 
    position: static; 
    margin-bottom: 0.75rem; 
    display: inline-block; 
    border-color: rgba(255, 255, 255, 0.15);
}

.catalog-card-body {
    padding: 1.75rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.catalog-card-title {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}
.catalog-card-desc {
    font-size: var(--fs-sm);
    color: var(--c-text-light);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    flex: 1;
}

/* Premium Features List with dashed line separators */
.catalog-card-features {
    list-style: none;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.catalog-card-features li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: var(--fs-sm);
    color: var(--c-text);
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed rgba(2, 6, 23, 0.06);
}
.catalog-card-features li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.catalog-card-features i { color: var(--c-success); font-size: 0.875rem; }

/* Full-width premium CTA buttons */
.catalog-card-cta { 
    width: 100%; 
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: auto; 
    padding: 0.75rem 1.25rem;
    font-size: var(--fs-sm);
}

/* Service Cards in Catalog (Dark Slate to Teal gradient) */
.catalog-card-service {
    background: linear-gradient(135deg, #020617, #0f172a, #083344);
    border-color: rgba(6, 182, 212, 0.15);
    color: #fff;
}
.catalog-card-service:hover {
    border-color: var(--c-primary);
    box-shadow: 0 12px 32px rgba(6, 182, 212, 0.15);
}
.catalog-card-service .catalog-card-title { color: #fff; }
.catalog-card-service .catalog-card-desc { color: var(--c-text-white-soft); }
.catalog-card-service .catalog-card-features li {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}
.catalog-card-service-icon {
    padding: 2rem 1.5rem 0;
    font-size: 2.5rem;
    color: var(--c-primary-light);
}

/* ================================================================
   SPARE PARTS DETAIL
   ================================================================ */
.spare-parts-section {
    background: var(--c-bg);
}
.parts-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.part-detail-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
}
.part-detail-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--c-primary-light);
    transform: translateY(-3px);
}
.part-detail-card:nth-child(even) { direction: rtl; }
.part-detail-card:nth-child(even) > * { direction: ltr; }
.part-detail-image {
    height: 100%;
    min-height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
}
.part-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.part-detail-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.part-detail-title {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 0.75rem;
}
.part-detail-desc {
    font-size: var(--fs-base);
    color: var(--c-text-light);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}
.part-detail-features {
    list-style: none;
    margin-bottom: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.5rem;
}
.part-detail-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--fs-sm);
    color: var(--c-text);
}
.part-detail-features i { color: var(--c-primary); font-size: 0.875rem; flex-shrink: 0; }

/* ================================================================
   SERVICES DETAIL
   ================================================================ */
.services-detail-section {
    background: var(--c-bg-alt);
}
.services-detail-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: var(--space-2xl);
}
.service-detail-row-card {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: var(--shadow-sm);
}
.service-detail-row-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--c-primary-light);
}
.service-detail-left {
    flex-shrink: 0;
}
.service-detail-icon {
    width: 64px;
    height: 64px;
    background: var(--c-primary-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--c-primary);
    transition: var(--transition);
}
.service-detail-row-card:hover .service-detail-icon {
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    box-shadow: var(--shadow-glow);
}
.service-detail-middle {
    flex-grow: 1;
    text-align: left;
}
.service-detail-title {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 0.5rem;
}
.service-detail-short {
    font-size: var(--fs-sm);
    color: var(--c-primary-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.service-detail-long {
    font-size: var(--fs-sm);
    color: var(--c-text-light);
    line-height: 1.7;
    margin: 0;
}
.service-detail-right {
    flex-shrink: 0;
}

/* Expertise Row */
.services-expertise {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    padding: 2rem;
    background: linear-gradient(135deg, var(--c-dark), var(--c-dark-mid));
    border-radius: var(--radius-xl);
}
.expertise-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--c-text-white-soft);
    font-size: var(--fs-sm);
    font-weight: 500;
}
.expertise-item i { color: var(--c-primary-light); font-size: 1.25rem; }

/* ================================================================
   PROCESS (3 Steps)
   ================================================================ */
.process-section {
    background: var(--c-bg);
}
.process-timeline {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.process-step {
    flex: 1;
    min-width: 240px;
    max-width: 320px;
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-xl);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}
.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--c-primary-light);
}
.process-step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--fs-sm);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.35);
}
.process-step-icon {
    width: 64px;
    height: 64px;
    background: var(--c-primary-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0.75rem auto 1.25rem;
    font-size: 1.5rem;
    color: var(--c-primary);
}
.process-step-title {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 0.75rem;
}
.process-step-desc {
    font-size: var(--fs-sm);
    color: var(--c-text-light);
    line-height: 1.7;
    flex: 1;
}
.process-connector {
    display: flex;
    align-items: center;
    color: var(--c-primary);
    font-size: 1.5rem;
    padding-top: 3rem;
}

/* ================================================================
   FAQ ACCORDION
   ================================================================ */
.faq-section {
    background: var(--c-bg-alt);
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.faq-item {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover { border-color: var(--c-primary-light); }
.faq-item.open { border-color: var(--c-primary); box-shadow: var(--shadow-md); }
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-family);
    text-align: left;
    gap: 1rem;
}
.faq-question-text {
    font-size: var(--fs-base);
    font-weight: 600;
    color: var(--c-dark);
    line-height: 1.5;
}
.faq-icon {
    width: 32px;
    height: 32px;
    background: var(--c-primary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-primary);
    font-size: 0.875rem;
    flex-shrink: 0;
    transition: var(--transition);
}
.faq-item.open .faq-icon {
    background: var(--c-primary);
    color: #fff;
    transform: rotate(45deg);
}
.faq-answer {
    overflow: hidden;
    max-height: 0;
    padding: 0 1.5rem;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
}
.faq-item.open .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.25rem;
}
.faq-answer p {
    font-size: var(--fs-sm);
    color: var(--c-text-light);
    line-height: 1.8;
}

/* ================================================================
   TESTIMONIALS
   ================================================================ */
.testimonials-section {
    background: var(--c-bg);
}
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
    align-items: stretch;
}
.testimonial-card {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--c-primary-light);
}
.testimonial-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}
.testimonial-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.testimonial-initial {
    color: #fff;
    font-weight: 700;
    font-size: var(--fs-lg);
}
.testimonial-info { flex: 1; }
.testimonial-name {
    display: block;
    font-weight: 600;
    color: var(--c-dark);
    font-size: var(--fs-sm);
}
.testimonial-location {
    display: block;
    font-size: var(--fs-xs);
    color: var(--c-text-lighter);
}
.testimonial-location i { margin-right: 0.25rem; }
.testimonial-stars {
    color: var(--c-accent);
    font-size: var(--fs-sm);
}
.testimonial-comment {
    font-size: var(--fs-sm);
    color: var(--c-text);
    line-height: 1.75;
    margin-bottom: 1.25rem;
    font-style: italic;
    position: relative;
    padding-left: 0;
    flex: 1;
}
.testimonial-quote-icon {
    color: var(--c-primary-light);
    font-size: 1.25rem;
    margin-right: 0.5rem;
    opacity: 0.5;
}
.testimonial-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--c-border-light);
    font-size: var(--fs-xs);
    color: var(--c-text-lighter);
    margin-top: auto;
}
.testimonial-footer i { margin-right: 0.25rem; }

/* ================================================================
   CONTACT / LEAD FORM
   ================================================================ */
.contact-section {
    background: linear-gradient(180deg, var(--c-bg-alt), var(--c-bg));
}
.contact-upper-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2.5rem;
    align-items: stretch;
    margin-bottom: 2.5rem;
}
.contact-form-wrapper {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}
.contact-form-title {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 1.5rem;
}
.contact-form-title i { color: var(--c-primary); margin-right: 0.5rem; }

.form-group { margin-bottom: 1.25rem; }
.form-label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 0.5rem;
}
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--c-border);
    border-radius: var(--radius-md);
    font-size: var(--fs-base);
    font-family: var(--font-family);
    color: var(--c-text);
    background: var(--c-bg);
    transition: var(--transition-fast);
    -webkit-appearance: none;
    appearance: none;
}
.form-input:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}
.form-input::placeholder { color: var(--c-text-lighter); }
.form-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2364748b'%3E%3Cpath d='M7 10l5 5 5-5H7z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}
.form-textarea { resize: vertical; min-height: 100px; }

.form-alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    font-size: var(--fs-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.form-alert[hidden] { display: none; }
.form-alert.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.form-alert.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.btn-loader { display: none; }
.btn-loader[hidden] { display: none; }
.btn-loader:not([hidden]) { display: inline-flex; align-items: center; gap: 0.5rem; }

/* Contact Info Cards Grid */
.contact-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    align-content: start;
}
.contact-card {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.25rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.contact-card:hover { border-color: var(--c-primary-light); box-shadow: var(--shadow-sm); }
.contact-card-icon {
    width: 44px;
    height: 44px;
    background: var(--c-primary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-primary);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}
.contact-card-whatsapp { background: #ecfdf5; color: #25d366; }
.contact-card h3 {
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 0.375rem;
}
.contact-card-value {
    display: block;
    font-size: var(--fs-sm);
    color: var(--c-text);
    text-decoration: none;
    transition: var(--transition-fast);
}
a.contact-card-value:hover { color: var(--c-primary); }
.contact-card-note {
    display: block;
    font-size: var(--fs-xs);
    color: var(--c-text-lighter);
    margin-top: 0.25rem;
}
.contact-lower-map {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-md);
}
.contact-lower-map iframe {
    display: block;
    width: 100%;
}

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer {
    background: #020617;
    color: var(--c-text-white-soft);
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 1.2fr 1.1fr;
    gap: 2.5rem;
    margin-bottom: var(--space-2xl);
}
.footer-col h4 {
    font-size: var(--fs-base);
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.5rem;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--c-primary);
    border-radius: var(--radius-full);
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--fs-xl);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
}
.footer-logo i { color: var(--c-primary); }
.footer-desc {
    font-size: var(--fs-sm);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.25rem;
}

/* Trust Badges in Footer */
.footer-trust-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.footer-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    transition: var(--transition);
}
.footer-badge-pill i { color: var(--c-primary); }
.footer-badge-pill:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
}

/* Links column */
.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
    text-decoration: none;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}
.footer-links a i {
    font-size: 9px;
    opacity: 0.5;
    transition: var(--transition-fast);
}
.footer-links a:hover {
    color: var(--c-primary);
}
.footer-links a:hover i {
    transform: translateX(3px);
    opacity: 1;
}

/* Support Card column */
.support-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}
.support-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--fs-sm);
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}
.status-dot {
    width: 8px;
    height: 8px;
    background: var(--c-success);
    border-radius: 50%;
    animation: statusBlink 1.5s infinite;
}
@keyframes statusBlink {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}
.support-hours-text {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.5;
    margin-bottom: 1rem;
}
.support-phone-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--c-primary);
    color: #fff;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 700;
    font-size: var(--fs-sm);
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.25);
}
.support-phone-btn:hover {
    background: var(--c-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(6, 182, 212, 0.4);
}

/* Contact column */
.footer-contact ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.7);
}
.footer-contact i {
    color: var(--c-primary);
    margin-top: 0.2rem;
    font-size: var(--fs-sm);
}
.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}
.footer-contact a:hover {
    color: var(--c-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: var(--space-lg);
    text-align: center;
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.4);
}

/* ================================================================
   WHATSAPP FLOAT
   ================================================================ */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: whatsappPulse 2s infinite;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
    color: #fff;
}
@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1); }
}

/* ================================================================
   SCROLL ANIMATIONS (Fade In)
   ================================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================================================================
   RESPONSIVE DESIGN
   ================================================================ */

/* Tablet */
@media (max-width: 1024px) {
    .part-detail-card {
        grid-template-columns: 1fr;
    }
    .part-detail-card:nth-child(even) { direction: ltr; }
    .part-detail-image { min-height: 220px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-arrow { display: none; }
}

@media (max-width: 768px) {
    /* Header */
    .main-nav { display: none; }
    .header-cta-group { display: none; }
    .mobile-menu-toggle { display: flex; }
    .header-inner { height: 60px; }

    /* Top Bar */
    .top-bar { display: none; }

    /* Hero */
    .hero-slide {
        min-height: 85vh;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .hero-content {
        padding: 5rem 1.5rem 2.5rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .hero-badge { display: none; }
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.25;
        margin-bottom: 1rem;
    }
    .hero-subtitle {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
        margin-bottom: 0;
    }
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    .hero-trust { display: none; }
    .hero-arrow { display: none; }
    .hero-dots { display: none; }

    /* Section Headers */
    .section-header { text-align: center; }
    .section-title { font-size: clamp(1.5rem, 5vw, 2rem); }
    .section-desc { font-size: var(--fs-sm); }
    .section-badge { font-size: var(--fs-xs); }

    /* Trust */
    .cert-row { gap: 1.25rem; justify-content: center; }
    .stats-row { gap: 1.5rem; }
    .stat-divider { width: 40px; height: 1px; }

    /* Problem */
    .problem-grid { grid-template-columns: 1fr; }

    /* Catalog */
    .catalog-grid { grid-template-columns: 1fr; }
    .filter-bar {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }
    .filter-btn { padding: 0.5rem 0.875rem; font-size: var(--fs-xs); }

    /* Process */
    .process-timeline { flex-direction: column; align-items: stretch; }
    .process-step { max-width: 100%; width: 100%; }
    .process-connector { transform: rotate(90deg); padding: 0.5rem 0; }
    .process-connector i { font-size: 1.25rem; }

    /* Testimonials */
    .testimonials-grid { grid-template-columns: 1fr; }
    .testimonial-card { padding: 1.5rem; }
    .testimonial-footer { flex-wrap: wrap; gap: 0.5rem; }

    /* Contact */
    .contact-upper-grid { grid-template-columns: 1fr; }
    .contact-cards-grid { grid-template-columns: 1fr; }
    .contact-card { text-align: center; align-items: center; }
    .contact-card-icon { margin-left: auto; margin-right: auto; }
    .contact-form-wrapper { padding: 1.5rem; }

    /* Services */
    .service-detail-row-card { flex-direction: column; text-align: center; gap: 1.25rem; }
    .service-detail-middle { text-align: center; }
    .service-detail-icon { margin: 0 auto; }
    .services-expertise { flex-direction: column; align-items: center; gap: 1rem; }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-grid > div { text-align: center; }
    .footer-col h4::after { left: 50%; transform: translateX(-50%); }
    .footer-logo { justify-content: center; }
    .footer-trust-badges { justify-content: center; }
    .footer-links ul { align-items: center; }
    .support-card { text-align: center; }
    .support-status { justify-content: center; }
    .support-btn { width: 100%; justify-content: center; }
    .footer-contact ul { align-items: center; }
    .footer-contact li { justify-content: center; }
    .footer-bottom { padding-left: 1rem; padding-right: 1rem; }

    /* WhatsApp */
    .whatsapp-float { bottom: 5rem; right: 1rem; width: 52px; height: 52px; font-size: 1.5rem; }

    /* Trust Section */
    .trust-stats { grid-template-columns: repeat(2, 1fr); }
    .trust-stat-card { padding: 1.25rem 0.75rem; text-align: center; }
    .trust-certs { flex-direction: column; gap: 0.75rem; align-items: center; }
    .trust-certs-label { margin-right: 0; text-align: center; }
    .trust-cert-pills { justify-content: center; flex-wrap: wrap; }

    /* Calculator */
    .calc-wrapper { grid-template-columns: 1fr; }
    .calc-stepper { max-width: 100%; width: 100%; }
    .calc-price-input { max-width: 100%; width: 100%; }
    .water-type-grid { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
    .water-type-btn { padding: 0.75rem 0.5rem; }
    .calc-result-side { order: 2; }

    /* Water Comparison */
    .wc-grid { grid-template-columns: 1fr; }
    .regional-water-info { flex-direction: column; text-align: center; padding: 1.5rem 1.25rem; gap: 0.75rem; }
    .wc-verdict { flex-direction: column; text-align: center; padding: 1.5rem 1.25rem; gap: 0.75rem; }

    /* Before/After */
    .ba-grid { grid-template-columns: 1fr; }

    /* FAQ */
    .faq-question { padding: 1rem 1.25rem; }
    .faq-question-text { font-size: var(--fs-sm); }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .section { padding: var(--space-3xl) 0; }
    .catalog-card-image { height: 180px; }
    .cert-icon { width: 48px; height: 48px; font-size: 1.25rem; }
    .water-type-grid { grid-template-columns: repeat(3, 1fr); }
    .water-type-size { font-size: var(--fs-sm); }
    .water-type-name { font-size: 0.625rem; }
}

/* ================================================================
   DAMACANA FİYAT HESAPLAMA — CALCULATOR
   ================================================================ */
.calculator-section {
    background: linear-gradient(180deg, #fff 0%, var(--c-bg-warm) 100%);
    position: relative;
    overflow: hidden;
}
.calculator-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
    z-index: 0;
}
.calculator-section .container { position: relative; z-index: 1; }

.calc-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
}

/* ── Left Side: Form ── */
.calc-form-side {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}
.calc-field { margin-bottom: 1.75rem; }
.calc-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 0.75rem;
}
.calc-label i { color: var(--c-primary); }

/* Water Type Icon Grid */
.water-type-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.625rem;
}
.water-type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    padding: 1rem 0.5rem;
    background: var(--c-bg);
    border: 2px solid var(--c-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
}
.water-type-btn:hover {
    border-color: var(--c-primary);
    background: var(--c-primary-bg);
    transform: translateY(-2px);
}
.water-type-btn.active {
    border-color: var(--c-primary);
    background: linear-gradient(135deg, var(--c-primary-bg), #e0f2fe);
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.2);
}
.water-type-icon {
    width: 44px;
    height: 44px;
    background: var(--c-bg-alt);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--c-text-light);
    transition: var(--transition);
}
.water-type-btn.active .water-type-icon {
    background: var(--c-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}
.water-type-btn:hover .water-type-icon {
    color: var(--c-primary);
}
.water-type-size {
    font-size: var(--fs-base);
    font-weight: 800;
    color: var(--c-dark);
    line-height: 1;
}
.water-type-name {
    font-size: var(--fs-xs);
    color: var(--c-text-lighter);
    font-weight: 500;
    line-height: 1;
}
.water-type-btn.active .water-type-size { color: var(--c-primary-dark); }
.water-type-btn.active .water-type-name { color: var(--c-primary); }

/* Stepper */
.calc-stepper {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--c-bg-alt);
    border: 2px solid var(--c-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    max-width: 100%;
}
.calc-stepper-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-bg);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--c-primary);
    transition: var(--transition-fast);
}
.calc-stepper-btn:hover { background: var(--c-primary-bg); }
.calc-stepper-btn:active { background: var(--c-primary); color: #fff; }
.calc-stepper-input {
    width: 60px;
    text-align: center;
    border: none;
    background: transparent;
    font-size: var(--fs-xl);
    font-weight: 800;
    color: var(--c-dark);
    font-family: var(--font-family);
    -moz-appearance: textfield;
}
.calc-stepper-input::-webkit-inner-spin-button,
.calc-stepper-input::-webkit-outer-spin-button { -webkit-appearance: none; }

/* Price Input */
.calc-price-input {
    position: relative;
    max-width: 100%;
}
.calc-currency {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
    color: var(--c-text-light);
    font-size: var(--fs-md);
}
.calc-price-input .form-input {
    padding-left: 2.5rem;
    font-weight: 700;
    font-size: var(--fs-lg);
}

.calc-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: var(--fs-xs);
    color: var(--c-text-lighter);
}

/* ── Right Side: Results ── */
.calc-result-side {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.calc-result-header {
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, var(--c-dark), var(--c-dark-mid));
    color: #fff;
    font-weight: 700;
    font-size: var(--fs-md);
    display: flex;
    align-items: center;
    gap: 0.625rem;
}
.calc-result-header i { color: var(--c-accent); }
.calc-result-summary { padding: 1.5rem; }
.calc-result-summary[hidden] { display: none; }
.calc-result-row { margin-bottom: 1rem; }
.calc-result-card {
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    text-align: center;
}
.calc-monthly {
    background: linear-gradient(135deg, #fef2f2, #fff1f2);
    border: 1px solid #fecaca;
}
.calc-yearly {
    background: linear-gradient(135deg, #fef2f2, #fce7f3);
    border: 1px solid #fda4af;
}
.calc-purifier {
    background: linear-gradient(135deg, #ecfdf5, #e0f2fe);
    border: 1px solid #a7f3d0;
}
.calc-result-label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--c-text-light);
    margin-bottom: 0.375rem;
}
.calc-result-value {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 900;
    line-height: 1.2;
}
.calc-monthly .calc-result-value { color: #dc2626; }
.calc-yearly .calc-result-value { color: #be123c; }
.calc-purifier .calc-result-value { color: var(--c-success); }
.calc-result-sub {
    display: block;
    font-size: var(--fs-xs);
    color: var(--c-text-lighter);
    margin-top: 0.25rem;
}

.calc-vs {
    display: flex;
    justify-content: center;
    margin: 0.75rem 0;
}
.calc-vs-badge {
    width: 40px;
    height: 40px;
    background: var(--c-dark);
    color: var(--c-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: var(--fs-sm);
    box-shadow: var(--shadow-md);
}

.calc-savings {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
    border: 2px solid var(--c-success);
    border-radius: var(--radius-lg);
    margin: 1rem 0;
}
.calc-savings > i {
    font-size: 2rem;
    color: var(--c-success);
    flex-shrink: 0;
}
.calc-savings-label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--c-text);
}
.calc-savings-value {
    display: block;
    font-size: var(--fs-2xl);
    font-weight: 900;
    color: var(--c-success);
    line-height: 1.2;
}

.calc-cta { margin-top: 0.5rem; }

/* Empty State */
.calc-empty {
    padding: 3rem 2rem;
    text-align: center;
    color: var(--c-text-lighter);
}
.calc-empty-icon {
    width: 72px;
    height: 72px;
    background: var(--c-bg-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 2rem;
    color: var(--c-text-lighter);
}
.calc-empty p {
    font-size: var(--fs-sm);
    line-height: 1.7;
}

/* ================================================================
   SCROLL PROGRESS BAR
   ================================================================ */
.scroll-progress-track {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 10001;
}
.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--c-primary), var(--c-primary-light), var(--c-accent));
    border-radius: 0 2px 2px 0;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px rgba(14, 165, 233, 0.5);
}

/* ================================================================
   FLOATING WHATSAPP BUTTON
   ================================================================ */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    transition: var(--transition);
    animation: wa-pulse 2s infinite;
    text-decoration: none;
}
.whatsapp-float:hover {
    transform: scale(1.12);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.55);
    color: #fff;
}
.whatsapp-float-label {
    position: absolute;
    right: 72px;
    background: #fff;
    color: var(--c-text);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: var(--fs-xs);
    font-weight: 600;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateX(8px);
    transition: var(--transition);
    pointer-events: none;
}
.whatsapp-float:hover .whatsapp-float-label {
    opacity: 1;
    transform: translateX(0);
}
@keyframes wa-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 12px rgba(37, 211, 102, 0.15); }
}

/* ================================================================
   CAMPAIGN BANNER (Countdown)
   ================================================================ */
.campaign-banner {
    background: var(--c-dark);
    padding: 1.5rem 0;
    overflow: hidden;
    position: relative;
    margin-top: -2px;
}
.campaign-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}
.campaign-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--c-accent);
    color: var(--c-dark);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: badge-glow 2s ease-in-out infinite;
}
@keyframes badge-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(245, 158, 11, 0); }
}
.campaign-title {
    color: #fff;
    font-size: var(--fs-xl);
    font-weight: 800;
    margin-top: 0.375rem;
}
.campaign-desc {
    color: var(--c-text-white-soft);
    font-size: var(--fs-sm);
}
.campaign-timer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.timer-unit {
    text-align: center;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.75rem;
    min-width: 60px;
}
.timer-number {
    display: block;
    font-size: var(--fs-2xl);
    font-weight: 900;
    color: var(--c-accent);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.timer-label {
    display: block;
    font-size: var(--fs-xs);
    color: var(--c-text-white-soft);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.timer-sep {
    color: var(--c-accent);
    font-size: var(--fs-xl);
    font-weight: 900;
    animation: blink 1s steps(1) infinite;
}
@keyframes blink {
    50% { opacity: 0; }
}
.campaign-cta {
    flex-shrink: 0;
}
.btn-accent {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
    color: #fff;
    border: none;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
    color: #fff;
}

/* ================================================================
   WATER QUALITY COMPARISON
   ================================================================ */
.wc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}
.wc-card {
    background: var(--c-bg);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    border: 1px solid var(--c-border);
    transition: var(--transition);
}
.wc-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.wc-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}
.wc-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-primary-bg);
    color: var(--c-primary);
    border-radius: var(--radius-md);
    font-size: var(--fs-md);
    flex-shrink: 0;
}
.wc-card-title {
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--c-text);
}
.wc-bars { display: flex; flex-direction: column; gap: 0.75rem; }
.wc-bar-group {}
.wc-bar-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.375rem;
    font-size: var(--fs-xs);
    font-weight: 600;
}
.wc-bar-value {
    color: var(--c-text-light);
    font-variant-numeric: tabular-nums;
}
.wc-bar-track {
    height: 10px;
    background: var(--c-border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.wc-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--bar-color, var(--c-primary));
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Regional Info */
.regional-water-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #fef3c7, #fff7ed);
    border: 1px solid #fde68a;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}
.regional-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-accent);
    color: #fff;
    border-radius: 50%;
    font-size: var(--fs-lg);
    flex-shrink: 0;
}
.regional-content strong {
    display: block;
    font-size: var(--fs-sm);
    color: var(--c-text);
    margin-bottom: 0.125rem;
}
.regional-content p {
    font-size: var(--fs-sm);
    color: var(--c-text-light);
    margin: 0;
}
.regional-highlight {
    font-weight: 800;
    color: var(--c-danger);
}

/* Verdict */
.wc-verdict {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
    border: 2px solid var(--c-success);
    border-radius: var(--radius-lg);
    font-weight: 600;
    color: var(--c-text);
}
.wc-verdict > i {
    font-size: 2rem;
    color: var(--c-success);
    flex-shrink: 0;
}
.wc-verdict-highlight {
    font-weight: 900;
    color: var(--c-success);
    font-size: var(--fs-lg);
}

/* ================================================================
   PRICING TABLE
   ================================================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    align-items: stretch;
}
.pricing-card {
    background: var(--c-bg);
    border: 2px solid var(--c-border);
    border-radius: var(--radius-xl);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}
.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}
.pricing-popular {
    border-color: var(--c-primary);
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.15);
    transform: scale(1.03);
}
.pricing-popular:hover {
    transform: scale(1.03) translateY(-4px);
}
.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    padding: 0.375rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}
.pricing-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}
.pricing-basic .pricing-icon { background: #f0f9ff; color: var(--c-primary); }
.pricing-standard .pricing-icon { background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark)); color: #fff; }
.pricing-premium .pricing-icon { background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark)); color: #fff; }
.pricing-name {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 1.5rem;
}
.pricing-price {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.125rem;
}
.pricing-currency {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-text-light);
}
.pricing-amount {
    font-size: var(--fs-4xl);
    font-weight: 900;
    color: var(--c-text);
    line-height: 1;
}
.pricing-period {
    font-size: var(--fs-sm);
    color: var(--c-text-lighter);
    font-weight: 500;
}
.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}
.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0;
    font-size: var(--fs-sm);
    border-bottom: 1px solid var(--c-border-light);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li.included i { color: var(--c-success); }
.pricing-features li.excluded {
    color: var(--c-text-lighter);
}
.pricing-features li.excluded i { color: var(--c-text-lighter); }
.pricing-cta { width: 100%; }
.btn-outline {
    background: transparent;
    border: 2px solid var(--c-primary);
    color: var(--c-primary);
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: var(--font-family);
    font-size: var(--fs-base);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}
.btn-outline:hover {
    background: var(--c-primary);
    color: #fff;
}

/* ================================================================
   WATER QUIZ
   ================================================================ */
.quiz-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--c-bg);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-lg);
}
.quiz-progress {
    height: 6px;
    background: var(--c-border-light);
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
    overflow: hidden;
}
.quiz-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--c-primary), var(--c-primary-light));
    border-radius: var(--radius-full);
    transition: width 0.4s ease;
}
.quiz-step-indicator {
    text-align: center;
    font-size: var(--fs-xs);
    color: var(--c-text-lighter);
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.quiz-step {
    display: none;
}
.quiz-step.active {
    display: block;
    animation: quizFadeIn 0.4s ease;
}
@keyframes quizFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}
.quiz-question {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--c-text);
    text-align: center;
    margin-bottom: 1.5rem;
}
.quiz-question i {
    color: var(--c-primary);
    margin-right: 0.5rem;
}
.quiz-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
.quiz-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1rem;
    border: 2px solid var(--c-border);
    border-radius: var(--radius-lg);
    background: var(--c-bg);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--c-text);
    text-align: center;
}
.quiz-option i {
    font-size: 1.5rem;
    color: var(--c-primary);
}
.quiz-option small {
    font-size: var(--fs-xs);
    color: var(--c-text-lighter);
    font-weight: 400;
}
.quiz-option:hover {
    border-color: var(--c-primary);
    background: var(--c-primary-bg);
    transform: translateY(-2px);
}
.quiz-option.selected {
    border-color: var(--c-primary);
    background: var(--c-primary-bg);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

/* Quiz Result */
.quiz-result {
    text-align: center;
    animation: quizFadeIn 0.5s ease;
}
.quiz-result-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border-radius: 50%;
    font-size: 2.5rem;
    color: var(--c-success);
}
.quiz-result-title {
    font-size: var(--fs-xl);
    font-weight: 800;
    color: var(--c-text);
    margin-bottom: 0.75rem;
}
.quiz-result-product {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 0.5rem;
}
.quiz-result-desc {
    font-size: var(--fs-sm);
    color: var(--c-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}
.quiz-result-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ================================================================
   FILTER REMINDER (Table)
   ================================================================ */
.filter-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--c-border);
    background: var(--c-bg);
    box-shadow: var(--shadow-md);
}
.filter-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-sm);
}
.filter-table thead {
    background: linear-gradient(135deg, var(--c-dark), var(--c-dark-mid));
}
.filter-table thead th {
    color: #fff;
    font-weight: 700;
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem 1.25rem;
    text-align: left;
    white-space: nowrap;
}
.filter-table tbody tr {
    border-bottom: 1px solid var(--c-border-light);
    transition: var(--transition);
}
.filter-table tbody tr:last-child {
    border-bottom: none;
}
.filter-table tbody tr:hover {
    background: var(--c-primary-bg);
}
.filter-table td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
}
.ft-stage-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #fff;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 700;
    white-space: nowrap;
}
.ft-name {
    font-weight: 700;
    color: var(--c-text);
    white-space: nowrap;
}
.ft-desc {
    color: var(--c-text-light);
    font-size: var(--fs-sm);
}
.ft-period {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--c-bg-alt);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: var(--fs-sm);
    color: var(--c-text);
    white-space: nowrap;
}
.ft-period i {
    color: var(--c-primary);
    font-size: var(--fs-xs);
}
.filter-table-note {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    margin-top: 1rem;
    background: var(--c-primary-bg);
    border-radius: var(--radius-lg);
    font-size: var(--fs-sm);
    color: var(--c-text-light);
}
.filter-table-note i {
    color: var(--c-primary);
    margin-top: 0.125rem;
    flex-shrink: 0;
}
.filter-table-note p {
    margin: 0;
}

/* ================================================================
   BEFORE/AFTER GALLERY (Side by Side)
   ================================================================ */
.ba-carousel {
    max-width: 900px;
    margin: 0 auto;
}
.ba-slide {
    display: none;
}
.ba-slide.active {
    display: block;
}
.ba-slide[data-slide="0"].active { animation: baSlideLeft 0.5s ease; }
.ba-slide[data-slide="1"].active { animation: baZoomIn 0.5s ease; }
.ba-slide[data-slide="2"].active { animation: baSlideRight 0.5s ease; }

@keyframes baSlideLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes baZoomIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes baSlideRight {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}
.ba-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.ba-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 2px solid var(--c-border);
    transition: var(--transition);
}
.ba-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.ba-card-before {
    border-color: rgba(239, 68, 68, 0.3);
}
.ba-card-after {
    border-color: rgba(16, 185, 129, 0.3);
}
.ba-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}
.ba-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    backdrop-filter: blur(8px);
}
.ba-tag-before {
    background: rgba(239, 68, 68, 0.85);
    color: #fff;
}
.ba-tag-after {
    background: rgba(16, 185, 129, 0.85);
    color: #fff;
}
.ba-info {
    text-align: center;
    padding: 1.25rem 0.5rem 0;
}
.ba-title {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 0.375rem;
}
.ba-desc {
    font-size: var(--fs-sm);
    color: var(--c-text-light);
    margin: 0;
}
.ba-nav {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
}
.ba-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--c-border);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}
.ba-dot.active {
    background: var(--c-primary);
    border-color: var(--c-primary);
}
.ba-dot:hover {
    border-color: var(--c-primary);
}

/* ================================================================
   INSTALLMENT BANNER
   ================================================================ */
.installment-banner {
    background: var(--c-bg-alt);
    padding: 1.25rem 0;
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
}
.installment-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.installment-heading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--fs-md);
    color: var(--c-text);
    flex-shrink: 0;
}
.installment-heading i {
    font-size: 1.5rem;
    color: var(--c-primary);
}
.installment-banks {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}
.installment-bank {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: var(--fs-sm);
}
.bank-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.bank-name {
    font-weight: 600;
    color: var(--c-text);
}
.bank-installment {
    color: var(--c-text-lighter);
    font-size: var(--fs-xs);
}

/* ================================================================
   DARK MODE
   ================================================================ */
.theme-toggle {
    background: none;
    border: 2px solid var(--c-border);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--c-text);
    font-size: var(--fs-md);
    transition: var(--transition);
    flex-shrink: 0;
}
.theme-toggle:hover {
    background: var(--c-primary-bg);
    border-color: var(--c-primary);
    color: var(--c-primary);
}

[data-theme="dark"] {
    --c-bg: #0f172a;
    --c-bg-alt: #1e293b;
    --c-bg-warm: #1c1917;
    --c-text: #e2e8f0;
    --c-text-light: #94a3b8;
    --c-text-lighter: #64748b;
    --c-border: #334155;
    --c-border-light: #1e293b;
    --c-dark: #020617;
    --c-dark-mid: #0f172a;
    --c-dark-light: #1e293b;
}
[data-theme="dark"] .site-header {
    background: rgba(15, 23, 42, 0.95);
    border-bottom-color: var(--c-border);
}
[data-theme="dark"] .logo-name {
    color: #fff;
}
[data-theme="dark"] .logo-sub {
    color: var(--c-text-light);
}
[data-theme="dark"] .nav-link:hover {
    background: rgba(6, 182, 212, 0.15);
}
[data-theme="dark"] .campaign-banner {
    background: linear-gradient(135deg, #020617, #0f172a, #1e293b);
}
[data-theme="dark"] .regional-water-info {
    background: linear-gradient(135deg, #422006, #1c1917);
    border-color: #92400e;
}
[data-theme="dark"] .wc-verdict {
    background: linear-gradient(135deg, #064e3b, #022c22);
    border-color: #059669;
}
[data-theme="dark"] .whatsapp-float-label {
    background: #1e293b;
    color: #e2e8f0;
}
[data-theme="dark"] .installment-banner {
    background: #1e293b;
}
[data-theme="dark"] .quiz-container {
    background: #1e293b;
    border-color: #334155;
}
[data-theme="dark"] .quiz-option {
    background: #0f172a;
    border-color: #334155;
}
[data-theme="dark"] .quiz-option:hover {
    background: #164e63;
}
[data-theme="dark"] .filter-table-wrapper {
    background: #1e293b;
    border-color: #334155;
}
[data-theme="dark"] .filter-table-note {
    background: #0f172a;
}
[data-theme="dark"] .pricing-card {
    background: #1e293b;
    border-color: #334155;
}

/* ================================================================
   RESPONSIVE — New Sections
   ================================================================ */
@media (max-width: 768px) {
    .campaign-inner {
        flex-direction: column;
        text-align: center;
    }
    .campaign-timer { justify-content: center; }
    .timer-unit { min-width: 50px; padding: 0.5rem; }
    .timer-number { font-size: var(--fs-xl); }

    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .pricing-popular { transform: none; }
    .pricing-popular:hover { transform: translateY(-4px); }

    .quiz-options { grid-template-columns: 1fr; }
    .quiz-container { padding: 1.5rem 1.25rem; }

    .filter-table thead { display: none; }
    .filter-table, .filter-table tbody, .filter-table tr, .filter-table td {
        display: block;
        width: 100%;
    }
    .filter-table tbody tr {
        padding: 1rem;
        margin-bottom: 0.75rem;
        border: 1px solid var(--c-border-light);
        border-radius: var(--radius-lg);
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.5rem 0.75rem;
    }
    .filter-table tbody tr:last-child { margin-bottom: 0; }
    .filter-table td { padding: 0; border: none; width: auto; }
    .ft-desc { display: none; }
    .ft-stage-badge { font-size: 0.7rem; }
    .ft-name { font-size: var(--fs-sm); }
    .ft-period { font-size: var(--fs-xs); }

    .ba-pair { grid-template-columns: 1fr; }
    .ba-card img { height: 220px; }

    .installment-inner { flex-direction: column; text-align: center; }
    .installment-banks { justify-content: center; }

    .whatsapp-float-label { display: none; }
}

@media (max-width: 480px) {
    .water-type-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .water-type-btn:last-child {
        grid-column: span 2;
    }
    .water-type-size {
        font-size: var(--fs-sm);
    }
    .water-type-name {
        font-size: 0.625rem;
    }
}

/* Desktop-only calculator constraints */
@media (min-width: 769px) {
    .calc-wrapper { grid-template-columns: 1fr 1fr; }
    .calc-stepper { max-width: 200px; }
    .calc-price-input { max-width: 200px; }
}