/* --------------------------------------------------
   PERCO Purificadores - Modern Design System
   Fonts: 'Plus Jakarta Sans' (headings), 'Inter' (body)
-------------------------------------------------- */

:root {
    /* Color Palette */
    --primary: #0ea5e9;       /* Water Blue */
    --primary-hover: #0284c7;
    --secondary: #22c55e;     /* Eco Green */
    --secondary-hover: #16a34a;
    
    --dark: #0f172a;          /* Slate 900 */
    --dark-muted: #475569;    /* Slate 600 */
    --light: #f8fafc;         /* Slate 50 */
    --white: #ffffff;
    --border: #e2e8f0;        /* Slate 200 */
    
    --blue-glow: rgba(14, 165, 233, 0.15);
    --green-glow: rgba(34, 197, 94, 0.15);
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 10px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-blue: linear-gradient(135deg, #0284c7 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    
    /* Layout */
    --header-height: 80px;
    --announcement-height: 40px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.25;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
    background: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--light);
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Utility Classes */
.text-center { text-align: center; }
.w-full { width: 100%; }
.text-blue { color: var(--primary) !important; }
.text-green { color: var(--secondary) !important; }
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Section Header Shared Styles */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px;
}

.section-header {
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.section-subtitle {
    display: inline-block;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 12px;
    padding: 6px 16px;
    background: var(--blue-glow);
    border-radius: var(--radius-full);
}

.section-subtitle.light {
    color: #e0f2fe;
    background: rgba(255, 255, 255, 0.1);
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-title.text-white {
    color: var(--white);
}

.section-desc {
    color: var(--dark-muted);
    font-size: 17px;
}

.text-white-muted {
    color: #cbd5e1;
    font-size: 17px;
}

/* Button Component */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    font-family: 'Plus Jakarta Sans', sans-serif;
    box-shadow: var(--shadow-sm);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 14px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 10px 20px rgba(14, 165, 233, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(14, 165, 233, 0.35);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Announcement Bar */
.announcement-bar {
    height: var(--announcement-height);
    background: var(--gradient-dark);
    color: var(--white);
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
    z-index: 1000;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.announcement-track {
    display: flex;
    white-space: nowrap;
    animation: marquee 25s linear infinite;
    gap: 80px;
    padding-left: 100%;
}

.announcement-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.announcement-item i {
    color: var(--primary);
}

@keyframes marquee {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-100%, 0, 0); }
}

/* Header Section */
.main-header {
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    position: sticky;
    top: 0;
    z-index: 999;
    transition: var(--transition-normal);
}

.main-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    height: 70px;
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-area {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 48px;
    object-fit: contain;
    transition: var(--transition-normal);
}

.main-header.scrolled .logo-img {
    height: 40px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    font-size: 15px;
    color: var(--dark-muted);
    position: relative;
    padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.social-icon-btn, .cart-trigger, .mobile-menu-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--light);
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition-normal);
    position: relative;
    border: 1px solid var(--border);
}

.social-icon-btn:hover {
    background: var(--white);
    color: #E1306C; /* Instagram Color */
    transform: scale(1.05);
}

.cart-trigger:hover {
    background: var(--white);
    color: var(--primary);
    transform: scale(1.05);
    border-color: var(--primary);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--secondary);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(34, 197, 94, 0.3);
}

.mobile-menu-btn {
    display: none;
}

/* Mobile Nav Overlay */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.mobile-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-content {
    position: absolute;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100%;
    background: var(--white);
    padding: 30px 24px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.mobile-overlay.open .mobile-nav-content {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.close-mobile-btn {
    font-size: 24px;
    color: var(--dark-muted);
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-link {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: var(--dark);
}

.mobile-link:hover {
    color: var(--primary);
}

/* Hero Section */
.hero-section {
    position: relative;
    background: radial-gradient(circle at 70% 30%, #e0f2fe 0%, var(--light) 60%);
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 100px;
    overflow: hidden;
}

/* Wave Animations in Background */
.hero-background-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 250px;
    pointer-events: none;
    opacity: 0.4;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M321.39,56.44c58-10.79,114.16-30.13,172-41.86,82.39-16.72,168.19-17.73,250.45-.39C823.78,31,906.67,72,985.66,92.83c70.05,18.48,146.53,26.09,214.34,3V120H0V0C26.9,8.75,57.05,18.3,90.22,25.92,170.83,44.38,247.55,62.2,321.39,56.44Z' fill='%230ea5e9' opacity='0.15'/%3E%3C/svg%3E") repeat-x;
    background-size: 50% 120px;
}

.wave1 {
    animation: waveAnim 15s linear infinite;
    z-index: 1;
}

.wave2 {
    animation: waveAnim 22s linear infinite reverse;
    opacity: 0.1;
    z-index: 2;
    bottom: 10px;
}

.wave3 {
    animation: waveAnim 30s linear infinite;
    opacity: 0.05;
    z-index: 3;
    bottom: 20px;
}

@keyframes waveAnim {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-info {
    position: relative;
    z-index: 10;
}

.badge-trust {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    color: var(--dark-muted);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 18px;
    color: var(--dark-muted);
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-feat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
}

.hero-feat-item i {
    color: var(--secondary);
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--dark-muted);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.hero-card-wrapper {
    position: relative;
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 420px;
    animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-product-img {
    max-height: 380px;
    object-fit: contain;
    filter: drop-shadow(0 15px 30px rgba(15, 23, 42, 0.15));
}

.glass-badge-top {
    position: absolute;
    top: 24px;
    left: -20px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    z-index: 5;
}

.glass-badge-bottom {
    position: absolute;
    bottom: 24px;
    right: -20px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--dark-muted);
    z-index: 5;
}

.stars {
    color: #f59e0b;
    font-size: 12px;
    display: flex;
    gap: 2px;
}

/* Benefits Section */
.benefits-section {
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    margin-top: 20px;
}

.benefit-card {
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-8px);
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.benefit-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 24px;
}

.bg-blue-light { background-color: rgba(14, 165, 233, 0.1); color: var(--primary); }
.bg-green-light { background-color: rgba(34, 197, 94, 0.1); color: var(--secondary); }
.bg-amber-light { background-color: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.bg-purple-light { background-color: rgba(168, 85, 247, 0.1); color: #a855f7; }

.benefit-card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.benefit-card-text {
    color: var(--dark-muted);
    font-size: 15px;
}

/* Interactive Calculator Section */
.calculator-section {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.calculator-section::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: var(--radius-full);
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.calculator-info {
    z-index: 5;
}

.planet-eco-badge {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-top: 40px;
    width: 100%;
    max-width: 400px;
}

.planet-eco-badge i {
    font-size: 32px;
    background: rgba(34, 197, 94, 0.1);
    padding: 12px;
    border-radius: var(--radius-md);
}

.planet-eco-badge h4 {
    font-size: 24px;
    font-weight: 800;
    color: var(--secondary);
}

.planet-eco-badge span {
    font-size: 14px;
    color: #94a3b8;
}

.calculator-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    z-index: 5;
}

.calc-card-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.calc-group {
    margin-bottom: 24px;
}

.calc-label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.calc-label span {
    color: var(--primary);
    font-weight: 800;
    font-size: 18px;
    margin-left: 6px;
}

.calc-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--border);
    outline: none;
}

.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(14, 165, 233, 0.3);
    transition: transform var(--transition-fast);
}

.calc-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.slider-ticks {
    display: flex;
    justify-content: space-between;
    padding: 8px 4px 0 4px;
    font-size: 12px;
    color: var(--dark-muted);
    font-weight: 600;
}

.input-currency-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 16px;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-muted);
}

.calc-input {
    width: 100%;
    padding: 14px 14px 14px 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    background: var(--light);
    transition: var(--transition-fast);
}

.calc-input:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--blue-glow);
}

.calc-helper {
    display: block;
    font-size: 12px;
    color: var(--dark-muted);
    margin-top: 6px;
}

.calc-divider {
    height: 1px;
    background: var(--border);
    margin: 28px 0;
}

.calc-results {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-muted);
}

.cost-high {
    color: #ef4444;
    font-size: 18px;
    font-weight: 700;
    text-decoration: line-through;
}

.cost-low {
    color: var(--dark);
    font-size: 18px;
    font-weight: 700;
}

.savings-highlight-box {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    margin-top: 10px;
}

.savings-lbl {
    display: block;
    font-size: 11px;
    font-weight: 800;
    color: var(--secondary-hover);
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.savings-amount {
    font-size: 32px;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.1;
    margin-bottom: 6px;
}

.savings-foot {
    font-size: 12px;
    color: var(--dark-muted);
    font-weight: 500;
}

/* Catalog Section & Filters */
.catalog-section {
    background: var(--light);
}

.filters-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: var(--white);
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    margin-bottom: 40px;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-muted);
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition-fast);
    background: var(--light);
}

.search-box input:focus {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--blue-glow);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-btn {
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 700;
    color: var(--dark-muted);
    background: var(--light);
    border: 1px solid var(--border);
    transition: var(--transition-normal);
}

.filter-btn:hover {
    color: var(--dark);
    background: var(--white);
    border-color: var(--dark-muted);
}

.filter-btn.active {
    color: var(--white);
    background: var(--dark);
    border-color: var(--dark);
}

.sort-box {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sort-lbl {
    font-size: 13px;
    font-weight: 700;
    color: var(--dark-muted);
}

.sort-select {
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    background: var(--light);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition-fast);
}

.sort-select:focus {
    border-color: var(--primary);
}

/* Products Grid & Cards */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(14, 165, 233, 0.4);
}

.product-card-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--secondary);
    color: var(--white);
    font-size: 11px;
    font-weight: 800;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    z-index: 10;
    box-shadow: 0 4px 8px rgba(34, 197, 94, 0.2);
}

.product-card-badge.sale {
    background: #ef4444;
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.2);
}

.product-card-badge.info {
    background: var(--primary);
    box-shadow: 0 4px 8px rgba(14, 165, 233, 0.2);
}

.product-card-img-wrapper {
    height: 240px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    cursor: pointer;
}

.product-card-img {
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition-slow);
}

.product-card:hover .product-card-img {
    transform: scale(1.08);
}

.product-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-card-category {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-desc {
    font-size: 13px;
    color: var(--dark-muted);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.product-card-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    margin-top: auto;
}

.spec-tag {
    font-size: 11px;
    font-weight: 600;
    color: var(--dark-muted);
    background: var(--light);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.product-card-price-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 16px;
}

.price-was {
    font-size: 13px;
    color: var(--dark-muted);
    text-decoration: line-through;
    font-weight: 500;
}

.price-now {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
}

.product-card-actions {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
}

.detail-btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--dark-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.detail-btn:hover {
    background: var(--light);
    color: var(--dark);
    border-color: var(--dark-muted);
}

/* Modal Styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
    padding: 20px;
}

.modal.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: var(--transition-normal);
}

.modal.open .modal-content {
    transform: scale(1);
}

.close-modal {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 32px;
    color: var(--dark-muted);
    line-height: 1;
    z-index: 10;
    transition: var(--transition-fast);
}

.close-modal:hover {
    color: var(--dark);
}

.modal-body-grid {
    display: grid;
    grid-template-columns: 1.1fr 1.3fr;
    gap: 40px;
    padding: 40px;
}

.modal-images-area {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-main-img-wrapper {
    height: 350px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--white);
}

.modal-main-img-wrapper img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.modal-thumbnails {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 6px;
}

.thumb-img {
    width: 60px;
    height: 60px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: 4px;
    background: var(--white);
    object-fit: contain;
    transition: var(--transition-fast);
}

.thumb-img.active, .thumb-img:hover {
    border-color: var(--primary);
}

.modal-details-area {
    display: flex;
    flex-direction: column;
}

.modal-badge {
    align-self: flex-start;
    font-size: 11px;
    font-weight: 800;
    background: var(--blue-glow);
    color: var(--primary);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.modal-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

.modal-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.rating-text {
    font-size: 13px;
    color: var(--dark-muted);
    font-weight: 600;
}

.modal-prices {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 12px;
}

.price-original {
    font-size: 16px;
    color: var(--dark-muted);
    text-decoration: line-through;
    font-weight: 500;
}

.price-current {
    font-size: 32px;
    font-weight: 800;
    color: var(--dark);
}

.discount-tag {
    font-size: 12px;
    font-weight: 800;
    background: #fee2e2;
    color: #ef4444;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.transfer-price-box {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.15);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #15803d;
    margin-bottom: 24px;
}

.modal-description-wrapper {
    margin-bottom: 24px;
}

.modal-description-wrapper h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-description-wrapper p {
    font-size: 14px;
    color: var(--dark-muted);
    line-height: 1.6;
}

.specs-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.toxics-removed-box {
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 28px;
}

.toxics-removed-box h4 {
    font-size: 14px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.toxics-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.toxics-list span {
    font-size: 11px;
    font-weight: 600;
    color: var(--white);
    background: var(--primary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.modal-actions {
    display: flex;
    gap: 16px;
    margin-top: auto;
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--light);
    overflow: hidden;
}

.qty-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-muted);
    font-size: 14px;
    transition: var(--transition-fast);
}

.qty-btn:hover {
    background: var(--border);
    color: var(--dark);
}

.qty-val {
    width: 40px;
    text-align: center;
    font-weight: 700;
    color: var(--dark);
}

/* Shopping Cart Drawer */
.cart-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 420px;
    height: 100%;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 10001;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.cart-drawer.open {
    right: 0;
}

.cart-drawer-header {
    padding: 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cart-drawer-header h3 {
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
}

.close-cart-btn {
    font-size: 20px;
    color: var(--dark-muted);
}

.cart-drawer-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cart-empty-state {
    text-align: center;
    margin: auto 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.cart-empty-state i {
    font-size: 48px;
    color: var(--border);
}

.cart-empty-state p {
    color: var(--dark-muted);
    font-weight: 500;
}

/* Cart Items Card */
.cart-item {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    gap: 16px;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.cart-item-img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.cart-item-info {
    display: flex;
    flex-direction: column;
}

.cart-item-title {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cart-item-price {
    font-size: 14px;
    font-weight: 800;
    color: var(--dark);
}

.cart-item-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.cart-item-remove {
    font-size: 12px;
    color: #ef4444;
    font-weight: 600;
}

.cart-item-remove:hover {
    text-decoration: underline;
}

.cart-item-qty-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--light);
}

.cart-item-qty-btn {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--dark-muted);
}

.cart-item-qty-val {
    font-size: 12px;
    font-weight: 700;
    width: 20px;
    text-align: center;
}

.cart-drawer-footer {
    padding: 24px;
    border-top: 1px solid var(--border);
    background: var(--light);
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-muted);
    margin-bottom: 8px;
}

.cart-summary-row.promo-row {
    color: var(--secondary-hover);
}

.cart-summary-row.total-row {
    font-size: 18px;
    font-weight: 800;
    color: var(--dark);
    margin-top: 12px;
    margin-bottom: 20px;
    border-top: 1px dashed var(--border);
    padding-top: 12px;
}

.checkout-method-selector {
    margin-bottom: 20px;
}

.checkout-lbl {
    font-size: 12px;
    font-weight: 800;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.checkout-methods {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkout-method-option {
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px;
    cursor: pointer;
    background: var(--white);
    transition: var(--transition-fast);
}

.checkout-method-option input {
    accent-color: var(--primary);
}

.checkout-method-option.active {
    border-color: var(--primary);
    background: var(--blue-glow);
}

.method-details {
    display: flex;
    flex-direction: column;
}

.method-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--dark);
}

.method-sub {
    font-size: 11px;
    color: var(--dark-muted);
}

.checkout-hint {
    display: block;
    font-size: 11px;
    color: var(--dark-muted);
    text-align: center;
    margin-top: 8px;
}

/* Testimonials Section */
.testimonials-section {
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 20px;
}

.testimonial-card {
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 80px;
    font-family: serif;
    color: var(--border);
    line-height: 1;
    font-style: italic;
    pointer-events: none;
}

.testimonial-text {
    font-size: 15px;
    color: var(--dark-muted);
    font-style: italic;
    line-height: 1.7;
    z-index: 1;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: auto;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.bg-blue { background: var(--primary); }
.bg-green { background: var(--secondary); }
.bg-amber { background: #f59e0b; }

.user-name {
    font-size: 15px;
    font-weight: 700;
}

.user-location {
    font-size: 12px;
    color: var(--dark-muted);
}

.verified {
    color: var(--secondary-hover);
    font-weight: 600;
}

.verified i {
    font-size: 10px;
}

/* FAQ Section */
.faqs-section {
    background: var(--light);
    border-bottom: 1px solid var(--border);
}

.faqs-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-question {
    width: 100%;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 16px;
    color: var(--dark);
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-arrow {
    font-size: 14px;
    color: var(--dark-muted);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease-out;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 300px; /* Large enough height */
    padding-bottom: 24px;
}

.faq-answer p {
    font-size: 15px;
    color: var(--dark-muted);
}

/* Contact Section & Form Styling */
.contact-section {
    background: var(--gradient-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: stretch;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-methods-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin: 40px 0;
}

.contact-item-info {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-item-info i {
    font-size: 24px;
    color: var(--primary);
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    padding: 14px;
    border-radius: var(--radius-md);
}

.contact-item-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.contact-item-info span {
    font-size: 15px;
    color: #cbd5e1;
}

.trust-certificates {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.cert-item {
    font-size: 13px;
    font-weight: 600;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cert-item i {
    color: var(--secondary);
}

.contact-form-panel {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.form-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 28px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 700;
    color: var(--dark);
}

.form-group input, .form-group textarea, .form-select {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--light);
    font-size: 14px;
    color: var(--dark);
    transition: var(--transition-fast);
    width: 100%;
}

.form-group input:focus, .form-group textarea:focus, .form-select:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--blue-glow);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 44px;
}

/* Success Form Overlay */
.form-success-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
    z-index: 10;
}

.form-success-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.success-content {
    max-width: 380px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.success-icon {
    font-size: 56px;
}

.success-content h3 {
    font-size: 24px;
    font-weight: 800;
}

.success-content p {
    color: var(--dark-muted);
    font-size: 15px;
}

/* Footer Section */
.main-footer {
    background: var(--dark);
    color: var(--white);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px 60px 24px;
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 0.8fr 1.1fr;
    gap: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    height: 44px;
    align-self: flex-start;
    filter: brightness(0) invert(1);
}

.brand-desc {
    color: #94a3b8;
    font-size: 14px;
    line-height: 1.6;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.footer-socials a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #cbd5e1;
    transition: var(--transition-fast);
}

.footer-socials a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-links-col h4, .footer-payment-info h4 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 15px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
    color: var(--white);
}

.footer-links-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-col a {
    color: #94a3b8;
    font-size: 14px;
}

.footer-links-col a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-payment-info p {
    color: #94a3b8;
    font-size: 14px;
    margin-bottom: 20px;
}

.payment-badges-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.payment-badge {
    font-size: 11px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #cbd5e1;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 6px;
}

.payment-badge i {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 30px 24px;
}

.footer-bottom-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    font-size: 13px;
    color: #64748b;
}

.footer-legal-links {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-legal-links a {
    color: #64748b;
}

.footer-legal-links a:hover {
    color: #94a3b8;
}

.legal-btn {
    font-size: 13px;
    color: #ef4444;
    font-weight: 700;
    transition: var(--transition-fast);
}

.legal-btn:hover {
    text-decoration: underline;
    color: #f87171;
}

/* Regret Modal Detail styling */
.regret-content {
    max-width: 500px;
}

.regret-header {
    text-align: center;
    margin-bottom: 24px;
}

.regret-icon {
    font-size: 40px;
    color: #ef4444;
    margin-bottom: 16px;
}

.regret-header h2 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 8px;
}

.regret-header p {
    font-size: 13px;
    color: var(--dark-muted);
}

/* Toast Message */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--dark);
    color: var(--white);
    padding: 16px 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
    z-index: 100000;
    transition: transform var(--transition-normal) cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast-icon {
    color: var(--secondary);
    font-size: 18px;
}

/* --------------------------------------------------
   Responsive Design Media Queries
-------------------------------------------------- */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-info {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .calculator-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .calculator-info {
        text-align: center;
    }
    
    .planet-eco-badge {
        margin-left: auto;
        margin-right: auto;
        text-align: left;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .modal-body-grid {
        grid-template-columns: 1fr;
        padding: 24px;
        gap: 24px;
    }
    
    .modal-main-img-wrapper {
        height: 250px;
    }
    
    .cart-drawer {
        width: 100%;
        right: -100%;
    }
    
    .form-row-2 {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-panel {
        padding: 28px;
    }
}

@media (max-width: 480px) {
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .glass-badge-top {
        left: 0;
    }
    
    .glass-badge-bottom {
        right: 0;
    }
    
    .calculator-card {
        padding: 24px;
    }
    
    .filters-bar {
        padding: 16px;
    }
    
    .filter-buttons {
        width: 100%;
        justify-content: stretch;
    }
    
    .filter-btn {
        flex-grow: 1;
    }
}

/* App Mobile Section Styling */
.app-section {
    background: linear-gradient(135deg, var(--white) 0%, var(--blue-glow) 100%);
    padding: 100px 0;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.app-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.app-info {
    display: flex;
    flex-direction: column;
}

.app-download-badges {
    display: flex;
    gap: 16px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.badge-link {
    transition: transform var(--transition-fast) ease;
    display: inline-block;
    height: 48px;
}

.badge-link img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.badge-link:hover {
    transform: translateY(-3px);
}

.app-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.app-mockup-wrapper {
    max-width: 320px;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 8px solid var(--white);
    transform: rotate(2deg);
    transition: transform var(--transition-slow) ease;
}

.app-mockup-wrapper:hover {
    transform: rotate(0deg) scale(1.02);
}

.app-mockup-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .app-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .app-info {
        align-items: center;
    }
    
    .app-download-badges {
        justify-content: center;
    }
    
    .app-mockup-wrapper {
        transform: none;
    }
    
    .app-mockup-wrapper:hover {
        transform: scale(1.02);
    }
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
    z-index: 9998;
    transition: transform var(--transition-fast) ease, box-shadow var(--transition-fast) ease, background-color var(--transition-fast) ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.05);
    background-color: #20ba5a;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    color: var(--white);
}

.whatsapp-float:active {
    transform: translateY(-2px) scale(0.98);
}

/* Adjust position on mobile screens */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 26px;
    }
}