/* ============================================
   B3 Books Store - Modern Bookstore Website
   Design: Alpine Frost + Indigo Ink Hybrid
   ============================================ */

/* CSS Variables */
:root {
    /* Alpine Frost Base */
    --color-bg: #E3EDF7;
    --color-bg-light: #F7FAFC;
    --color-bg-dark: #A8C4E0;
    
    /* Indigo Ink Accents */
    --color-primary: #2E5090;
    --color-primary-dark: #1B0A3C;
    --color-primary-light: #7B68EE;
    
    /* Text Colors */
    --color-text: #0A1929;
    --color-text-light: #4A6670;
    --color-text-muted: #8FA3B0;
    
    /* Accent Colors */
    --color-accent: #2E5090;
    --color-accent-light: #7B68EE;
    --color-white: #FFFFFF;
    
    /* WhatsApp Green */
    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(46, 80, 144, 0.08);
    --shadow-md: 0 4px 20px rgba(46, 80, 144, 0.12);
    --shadow-lg: 0 8px 40px rgba(46, 80, 144, 0.15);
    --shadow-xl: 0 16px 60px rgba(46, 80, 144, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(227, 237, 247, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: var(--space-xs) 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

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

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

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    position: relative;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    position: relative;
    transition: var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: calc(var(--space-3xl) + 80px) var(--space-lg) var(--space-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(123, 104, 238, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(46, 80, 144, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(168, 196, 224, 0.3) 0%, transparent 70%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--color-white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-lg);
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 600;
    line-height: 1.1;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
}

.text-accent {
    color: var(--color-primary);
    position: relative;
}

.text-accent::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--color-primary-light), transparent);
    opacity: 0.3;
    z-index: -1;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: var(--transition-slow);
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-whatsapp {
    background: var(--color-whatsapp);
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background: var(--color-whatsapp-dark);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: var(--space-xs);
}

/* Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-arrow {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-text-muted);
    border-radius: var(--radius-full);
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-text-muted);
    border-radius: var(--radius-full);
    animation: scrollBounce 1.5s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(8px); opacity: 0.5; }
}

/* ============================================
   Section Styles
   ============================================ */
.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    position: relative;
    padding-left: var(--space-md);
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
}

.section-text {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    padding: var(--space-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.image-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-bg), var(--color-bg-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-icon {
    font-size: 6rem;
    opacity: 0.5;
}

.image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    opacity: 0.1;
    z-index: -1;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.95rem;
    color: var(--color-text);
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ============================================
   Categories Section
   ============================================ */
.categories {
    padding: var(--space-3xl) 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.category-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-sm);
}

.card-text {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary);
    background: var(--color-bg);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
}

.category-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    text-align: center;
}

.category-cta .card-title {
    color: var(--color-white);
}

.category-cta .card-text {
    color: rgba(255, 255, 255, 0.8);
}

.category-cta .btn-outline {
    border-color: var(--color-white);
    color: var(--color-white);
    margin-top: var(--space-md);
}

.category-cta .btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

/* ============================================
   Location Section
   ============================================ */
.location {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-light);
}

.location-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.location-info {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.info-card {
    display: flex;
    gap: var(--space-md);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-bg);
}

.info-card:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-content h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-xs);
}

.info-content p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.info-content a {
    color: var(--color-primary);
    font-weight: 500;
}

.info-content a:hover {
    text-decoration: underline;
}

.location-map {
    min-height: 400px;
    background: var(--color-bg);
}

.location-map iframe {
    width: 100%;
    height: 100%;
    min-height: 400px;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: var(--space-3xl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.contact-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-sm);
}

.contact-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 2px solid var(--color-bg);
    border-radius: var(--radius-md);
    background: var(--color-bg-light);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--color-white);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-credit {
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Animations
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-right"].animated {
    transform: translateX(0);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate="fade-left"].animated {
    transform: translateX(0);
}

/* Stagger delays */
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }
[data-delay="600"] { transition-delay: 0.6s; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .location-content {
        grid-template-columns: 1fr;
    }
    
    .location-map {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    /* Navigation */
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        padding: calc(var(--space-3xl) + 60px) var(--space-xl) var(--space-xl);
        gap: 0;
        box-shadow: var(--shadow-xl);
        transition: var(--transition-base);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--color-bg);
        width: 100%;
    }
    
    /* Hero */
    .hero {
        padding: calc(var(--space-2xl) + 80px) var(--space-md) var(--space-2xl);
    }
    
    .hero-stats {
        gap: var(--space-lg);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .about-image {
        order: -1;
    }
    
    /* Categories */
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-cta {
        flex-direction: column;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}