/* ============================================
   Smart Picks Hub - Design System
   Clean, Modern, White & Blue Theme
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Alpine Frost Palette */
    --color-primary: #2E5090;
    --color-primary-dark: #1E3A6F;
    --color-primary-light: #4A7BC8;
    --color-accent: #A8C4E0;
    --color-accent-light: #E3EDF7;
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;
    
    /* Semantic Colors */
    --color-text: var(--color-gray-800);
    --color-text-light: var(--color-gray-500);
    --color-text-muted: var(--color-gray-400);
    --color-bg: var(--color-white);
    --color-bg-alt: var(--color-gray-50);
    --color-border: var(--color-gray-200);
    
    /* Typography */
    --font-display: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: var(--space-4);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
    color: var(--color-text-light);
}

/* 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;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: var(--text-xl);
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--color-text);
    padding: var(--space-2) 0;
    position: relative;
    transition: var(--transition-fast);
}

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

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

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

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

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

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.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;
    padding-top: 72px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-white) 50%, var(--color-gray-50) 100%);
}

.hero-container {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-16) var(--container-padding);
}

.hero-content {
    max-width: 600px;
}

.hero-eyebrow {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

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

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
}

.hero-blob {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    opacity: 0.1;
    animation: blob-morph 8s ease-in-out infinite;
}

@keyframes blob-morph {
    0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}

.hero-products {
    position: relative;
    width: 100%;
    height: 100%;
}

.product-float {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

.product-float.product-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.product-float.product-2 {
    top: 50%;
    right: 5%;
    animation-delay: -2s;
}

.product-float.product-3 {
    bottom: 15%;
    left: 25%;
    animation-delay: -4s;
}

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

.product-icon {
    font-size: 2.5rem;
}

.product-label {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-text);
}

.hero-scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding-bottom: var(--space-8);
    opacity: 0.5;
}

.scroll-text {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--text-sm);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    white-space: nowrap;
}

.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);
}

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

.btn-outline:hover {
    border-color: var(--color-primary);
    background: var(--color-accent-light);
}

.btn-small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

/* ============================================
   Section Styles
   ============================================ */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-12);
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--text-xs);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-light);
}

.section-footer {
    text-align: center;
    margin-top: var(--space-12);
}

/* ============================================
   Categories Section
   ============================================ */
.categories {
    padding: var(--space-24) 0;
    background: var(--color-bg);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.category-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.category-desc {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.category-count {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--text-xs);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Featured Products Section
   ============================================ */
.featured {
    padding: var(--space-24) 0;
    background: var(--color-bg-alt);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.product-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

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

.product-badge {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--text-xs);
    color: var(--color-white);
    background: var(--color-primary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    z-index: 1;
}

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-placeholder {
    font-size: 4rem;
    opacity: 0.5;
}

.product-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
}

.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.product-category {
    font-size: var(--text-xs);
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.stars {
    color: #F59E0B;
    font-size: var(--text-sm);
}

.rating-score {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-text);
}

.product-title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
    line-height: 1.4;
}

.product-excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    flex: 1;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.product-price {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--color-gray-900);
}

/* ============================================
   Trust Section
   ============================================ */
.trust {
    padding: var(--space-24) 0;
    background: var(--color-white);
}

.trust-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.trust-content {
    max-width: 540px;
}

.trust-description {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.trust-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.trust-feature {
    display: flex;
    gap: var(--space-4);
}

.feature-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    font-weight: 700;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.feature-text p {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.trust-visual {
    display: flex;
    justify-content: center;
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    padding: var(--space-8);
    background: var(--color-accent-light);
    border-radius: var(--radius-2xl);
}

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

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: var(--text-3xl);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

/* ============================================
   Newsletter Section
   ============================================ */
.newsletter {
    padding: var(--space-16) 0;
    background: var(--color-bg-alt);
}

.newsletter-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    background: var(--color-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-12) var(--space-16);
    color: var(--color-white);
}

.newsletter-title {
    font-size: var(--text-3xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.newsletter-text {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.8);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    gap: var(--space-3);
}

.form-input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: var(--text-base);
    transition: var(--transition-fast);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-form .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
}

.newsletter-form .btn-primary:hover {
    background: var(--color-gray-100);
}

.form-note {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.6);
}

.form-note a {
    color: var(--color-white);
    text-decoration: underline;
}

/* ============================================
   Latest Posts Section
   ============================================ */
.latest-posts {
    padding: var(--space-24) 0;
    background: var(--color-white);
}

.posts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-6);
}

.post-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

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

.post-featured {
    grid-row: span 2;
}

.post-image {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.post-featured .post-image {
    aspect-ratio: 16/12;
}

.post-placeholder {
    font-size: 3rem;
    opacity: 0.5;
}

.post-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.post-category {
    font-size: var(--text-xs);
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-date {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.post-title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
    line-height: 1.4;
}

.post-featured .post-title {
    font-size: var(--text-2xl);
}

.post-excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    flex: 1;
}

.post-link {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    transition: var(--transition-fast);
}

.post-link:hover {
    gap: var(--space-2);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--color-gray-900);
    color: var(--color-white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: var(--text-xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer-tagline {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-800);
    border-radius: var(--radius-full);
    font-size: var(--text-lg);
    transition: var(--transition-fast);
}

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

.footer-heading {
    font-size: var(--text-sm);
    color: var(--color-white);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-list a {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-800);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
}

.copyright {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
}

.affiliate-note {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--text-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    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);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-12);
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-image-wrapper {
        max-width: 400px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .trust-content {
        max-width: 100%;
        text-align: center;
    }
    
    .trust-features {
        align-items: center;
    }
    
    .trust-feature {
        text-align: left;
    }
    
    .newsletter-box {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .posts-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .post-featured {
        grid-row: span 1;
        grid-column: span 2;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--space-6);
        gap: 0;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        padding: var(--space-4) 0;
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-description {
        font-size: var(--text-lg);
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-stats {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .post-featured {
        grid-column: span 1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: var(--space-4);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .newsletter-box {
        padding: var(--space-8) var(--space-6);
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Selection color */
::selection {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}