/**
 * SmartHome Landing Page Styles
 * Premium, Conversion-Optimized, Responsive Design
 * Author: SmartHome Team
 * Version: 1.0
 */

/* ============================================
   RESET & BASE STYLES
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1e40af;
    --secondary: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --background: #f9fafb;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-sm {
    padding: 60px 0;
}

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

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

.text-secondary {
    color: var(--secondary);
}

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

.bg-primary {
    background-color: var(--primary);
}

.bg-light {
    background-color: var(--background);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.8;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, #d97706 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-outline {
    background: #ffffff;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: 0 2px 4px rgba(30, 64, 175, 0.1);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 10px;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
}

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

.nav-cta {
    padding: 10px 24px;
    background: var(--primary);
    color: var(--white);
    border-radius: 6px;
    font-weight: 600;
}

.nav-cta:hover {
    background: #1e3a8a;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    padding: 140px 0 90px;
    background: linear-gradient(135deg, #faf5ff 0%, #f0f9ff 100%);
    overflow: hidden;
}

/* Hero Background Video */
.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translateX(-50%) translateY(-50%);
    object-fit: cover;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(250, 245, 255, 0.12) 0%, rgba(240, 249, 255, 0.18) 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, #a78bfa 100%);
    opacity: 0.04;
    border-radius: 0 0 0 100%;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.25rem;
    line-height: 1.15;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
}

.hero-text .lead {
    font-size: 1.15rem;
    color: #1f2937;
    margin-bottom: 32px;
    line-height: 1.7;
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img,
.hero-image video {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.15);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Trust Indicators */
.hero-trust {
    display: flex;
    gap: 24px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.trust-item svg {
    color: var(--success);
    flex-shrink: 0;
}

/* ============================================
   STATS SECTION
   ============================================ */

.stats {
    background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
    padding: 60px 0;
    box-shadow: inset 0 1px 0 0 rgba(0, 0, 0, 0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    position: relative;
    padding: 20px;
}

.stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, #e5e7eb, transparent);
}

.stat-item:last-child::after {
    display: none;
}

.stat-item h3 {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    font-weight: 800;
}

.stat-item p {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 500;
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features {
    padding: 100px 0;
    background: var(--background);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
    font-weight: 700;
    color: var(--text-dark);
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-gray);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background: var(--white);
    padding: 32px 28px;
    border-radius: 16px;
    text-align: left;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid #e5e7eb;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, #4f46e5 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(30, 64, 175, 0.15);
    border-color: var(--primary);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.feature-card h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */

.products {
    padding: 100px 0;
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(30, 64, 175, 0.18);
    border-color: var(--primary);
}

.product-image {
    position: relative;
    width: 100%;
    height: 320px;
    background: #ffffff;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--secondary) 0%, #d97706 100%);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 6px rgba(245, 158, 11, 0.3);
}

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

.product-category {
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.product-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
    min-height: 52px;
    line-height: 1.4;
}

.product-description {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 2px solid #f3f4f6;
    margin-top: auto;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.product-old-price {
    font-size: 0.95rem;
    color: var(--text-gray);
    text-decoration: line-through;
    font-weight: 400;
}

.product-btn {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
    color: var(--white);
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.2);
}

.product-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
    background: linear-gradient(135deg, #1e3a8a 0%, var(--primary) 100%);
}

.product-btn:hover {
    background: #1e3a8a;
    transform: scale(1.05);
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    opacity: 0.4;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.cta p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 36px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.cta .btn {
    background: var(--white);
    color: var(--primary);
    font-size: 1.05rem;
    padding: 16px 36px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cta .btn:hover {
    background: #f9fafb;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

/* ============================================
   SOCIAL PROOF / TESTIMONIALS
   ============================================ */

.testimonials {
    padding: 100px 0;
    background: var(--background);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
    padding: 28px;
    border-radius: 20px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    position: relative;
    border: 2px solid #f3f4f6;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 16px;
    left: 20px;
    font-size: 3.5rem;
    color: var(--primary);
    opacity: 0.08;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.12);
    border-color: #dbeafe;
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.75;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 20px;
    border-top: 2px solid #f3f4f6;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
}

.author-info h5 {
    font-size: 0.95rem;
    margin-bottom: 4px;
    font-weight: 600;
}

.author-info p {
    font-size: 0.8rem;
    color: var(--text-gray);
    margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-4px);
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.trust-badges {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 40px 0;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-icon {
    width: 24px;
    height: 24px;
    color: var(--success);
}

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

/* Tablet (768px - 1199px) */
@media (max-width: 1199px) {
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
    
    .hero-text h1 {
        font-size: 2.25rem;
    }
    
    .hero-text .lead {
        font-size: 1.05rem;
    }
    
    .products-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    
    .product-image {
        height: 300px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .hero-buttons .btn-lg {
        padding: 16px 36px;
        font-size: 1.05rem;
    }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
    .container {
        padding: 0 16px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    h1 {
        font-size: 1.875rem;
        line-height: 1.2;
    }
    
    h2 {
        font-size: 1.625rem;
    }
    
    .hero {
        padding: 100px 0 50px;
    }
    
    /* Video mobilde de görünsün ama daha hafif */
    .hero-bg-video {
        display: block;
    }
    
    .hero-video-overlay {
    background: linear-gradient(135deg, rgba(250, 245, 255, 0.18) 0%, rgba(240, 249, 255, 0.22) 100%);
    }
    
    /* Hero image mobilde gizle */
    .hero-image {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .hero-text h1 {
        font-size: 1.875rem;
        line-height: 1.2;
    }
    
    .hero-text .lead {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        padding: 16px 32px;
    }
    
    .hero-trust {
        flex-direction: column;
        gap: 12px;
    }
    
    .trust-item {
        font-size: 0.85rem;
        justify-content: center;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .products-grid,
    .features-grid,
    .stats-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .testimonial-card {
        padding: 24px;
    }
    
    .testimonial-text {
        font-size: 0.9rem;
        line-height: 1.7;
    }
    
    .product-card,
    .feature-card {
        margin: 0;
    }
    
    .product-image {
        height: 280px;
        padding: 16px;
    }
    
    .product-info {
        padding: 20px;
    }
    
    .product-title {
        font-size: 1.05rem;
        min-height: auto;
    }
    
    .product-price {
        font-size: 1.25rem;
    }
    
    .feature-card {
        padding: 24px;
    }
    
    .feature-icon {
        width: 56px;
        height: 56px;
    }
    
    .feature-icon svg {
        width: 28px;
        height: 28px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .cta h2 {
        font-size: 1.75rem;
    }
    
    .cta p {
        font-size: 0.95rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .section-header h2 {
        font-size: 1.625rem;
    }
    
    .section-header p {
        font-size: 0.95rem;
    }
    
    .btn-sm {
        padding: 10px 20px;
        font-size: 0.875rem;
    }
}

/* ============================================
   ANIMATIONS & EFFECTS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-in-delay {
    animation: fadeIn 0.6s ease-out 0.2s both;
}

/* Scroll Animations */
[data-scroll] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Loading State */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Lazy Load Images */
img[data-src] {
    opacity: 0;
    transition: opacity 0.3s;
}

img.loaded {
    opacity: 1;
}