/* ============================================
   QuickClean Website — Global Styles
   ============================================ */

:root {
    /* Dark theme — matches app */
    --bg: #0D1117;
    --card: #161B22;
    --card-light: #1C2128;
    --card-border: #30363D;

    /* Accent */
    --blue: #3B82F6;
    --green: #10B981;
    --yellow: #F59E0B;
    --orange: #F97316;
    --red: #EF4444;
    --purple: #8B5CF6;
    --cyan: #06B6D4;

    /* Text */
    --text: #FFFFFF;
    --text-secondary: #8B949E;
    --text-muted: #6E7681;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #10B981, #22C55E);
    --gradient-warm: linear-gradient(135deg, #F59E0B, #EF4444);
    --gradient-cool: linear-gradient(135deg, #06B6D4, #3B82F6);

    /* Layout */
    --max-width: 1200px;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Typography
   ============================================ */

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
    padding: 12px 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
}

.logo-img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    object-fit: cover;
}

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

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    padding: 8px 20px !important;
    background: var(--gradient-primary) !important;
    border-radius: 100px !important;
    color: white !important;
    font-weight: 600 !important;
    font-size: 13px !important;
    transition: opacity 0.2s !important;
}

.nav-cta:hover {
    opacity: 0.9;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 16px 24px 24px;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
}

.mobile-menu a {
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(48, 54, 61, 0.3);
}

.mobile-menu a:last-child {
    border: none;
    text-align: center;
    margin-top: 8px;
}

.mobile-menu.active {
    display: flex;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    border: none;
    cursor: pointer;
    border-radius: 100px;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 24px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.45);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--card-border);
}

.btn-ghost:hover {
    color: var(--text);
    border-color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 15px;
}

/* ============================================
   Hero
   ============================================ */

.hero {
    position: relative;
    padding: 160px 0 100px;
    text-align: center;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: var(--blue);
    top: -100px;
    left: -200px;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: var(--purple);
    top: 0;
    right: -150px;
}

.hero-app-icon {
    width: 120px;
    height: 120px;
    border-radius: 28px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 80px rgba(16, 185, 129, 0.15);
    margin-bottom: 32px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--green);
    margin-bottom: 32px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 32px;
    padding: 20px 40px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
}

.stat-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

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

/* ============================================
   Features Overview
   ============================================ */

.features-overview {
    padding: 120px 0;
}

.tab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 20px;
}

.feature-card {
    position: relative;
    padding: 32px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-card-glow {
    position: absolute;
    top: -50%;
    right: -30%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.feature-card:hover .feature-card-glow {
    opacity: 0.12;
}

.feature-card-health .feature-card-glow { background: var(--green); }
.feature-card-gallery .feature-card-glow { background: var(--blue); }
.feature-card-cleaner .feature-card-glow { background: var(--purple); }
.feature-card-converter .feature-card-glow { background: var(--yellow); }
.feature-card-storage .feature-card-glow { background: var(--cyan); }

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: color-mix(in srgb, var(--icon-color) 12%, transparent);
    color: var(--icon-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-highlights span {
    padding: 5px 12px;
    background: var(--card-light);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ============================================
   AI Section
   ============================================ */

.ai-section {
    padding: 120px 0;
    background: linear-gradient(180deg, transparent, rgba(22, 27, 34, 0.5), transparent);
}

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

.ai-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.ai-features-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.ai-feature-item.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.ai-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
}

.ai-feature-item strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.ai-feature-item span {
    font-size: 13px;
    color: var(--text-muted);
}

/* AI Visual Cards */
.ai-visual {
    display: flex;
    justify-content: center;
}

.ai-card-stack {
    position: relative;
    width: 320px;
    height: 300px;
}

.ai-card {
    position: absolute;
    width: 280px;
    padding: 24px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.ai-card-1 {
    top: 0;
    left: 0;
    z-index: 3;
    transform: rotate(-2deg);
}

.ai-card-2 {
    top: 80px;
    left: 40px;
    z-index: 2;
    transform: rotate(1deg);
}

.ai-card-3 {
    top: 160px;
    left: 10px;
    z-index: 1;
    transform: rotate(-1deg);
}

.ai-card:hover {
    transform: rotate(0deg) scale(1.05);
    z-index: 10;
}

.ai-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-card-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
}

.ai-card-size {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ============================================
   Tools Section
   ============================================ */

.tools-section {
    padding: 120px 0;
}

.tools-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.tool-category {
    padding: 28px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.tool-category.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.tool-category:hover {
    border-color: rgba(16, 185, 129, 0.2);
}

.tool-category-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--card-border);
}

.tool-category-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-category-header h3 {
    font-size: 17px;
    font-weight: 700;
}

.tool-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

.tool-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ============================================
   Swipe Section
   ============================================ */

.swipe-section {
    padding: 120px 0;
    background: linear-gradient(180deg, transparent, rgba(22, 27, 34, 0.5), transparent);
}

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

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

.swipe-phone {
    width: 260px;
    height: 520px;
    background: var(--card);
    border: 3px solid var(--card-border);
    border-radius: 40px;
    padding: 16px;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
}

.swipe-screen {
    width: 100%;
    height: 100%;
    background: var(--bg);
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.swipe-card-demo {
    width: 100%;
    background: var(--card-light);
    border-radius: var(--radius);
    overflow: hidden;
}

.swipe-demo-photo {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(34, 197, 94, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.swipe-actions {
    display: flex;
    justify-content: space-around;
    padding: 16px;
}

.swipe-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.swipe-action span {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
}

.swipe-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.swipe-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.swipe-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.5s ease;
}

.swipe-feature.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.swipe-feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.swipe-feature strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.swipe-feature span {
    font-size: 13px;
    color: var(--text-muted);
}

/* ============================================
   Memories Section
   ============================================ */

.memories-section {
    padding: 120px 0;
}

.memories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.memory-card {
    position: relative;
    height: 280px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.memory-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.memory-card:hover {
    transform: translateY(-4px) scale(1.02);
}

.memory-card-1 { background: linear-gradient(135deg, #1a3a5c, #0d1b2a); }
.memory-card-2 { background: linear-gradient(135deg, #2d1b4e, #1a0e2e); }
.memory-card-3 { background: linear-gradient(135deg, #1b3a2a, #0d1f17); }
.memory-card-4 { background: linear-gradient(135deg, #3a2a1a, #1f170d); }

.memory-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
}

.memory-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
}

.memory-type {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--green);
    margin-bottom: 6px;
}

.memory-content h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 4px;
}

.memory-count {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   Premium Section
   ============================================ */

.premium-section {
    padding: 120px 0;
}

.premium-card {
    position: relative;
    padding: 64px;
    background: var(--card);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 32px;
    text-align: center;
    overflow: hidden;
}

.premium-glow {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: var(--gradient-primary);
    filter: blur(150px);
    opacity: 0.1;
    pointer-events: none;
}

.premium-content {
    position: relative;
    z-index: 1;
}

.premium-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gradient-primary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.premium-card h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin-bottom: 12px;
}

.premium-card > .premium-content > p {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 48px;
}

.premium-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    max-width: 700px;
    margin: 0 auto 48px;
    text-align: left;
}

.premium-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
}

.premium-feature.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Plans */
.premium-plans {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.plan-card {
    padding: 28px 36px;
    background: var(--card-light);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    min-width: 180px;
    transition: all 0.3s;
}

.plan-card:hover {
    border-color: rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
}

.plan-popular {
    border-color: var(--green);
    position: relative;
    background: rgba(16, 185, 129, 0.08);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 14px;
    background: var(--gradient-primary);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
}

.plan-period {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 8px;
}

.plan-price {
    font-size: 28px;
    font-weight: 800;
}

.plan-price span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
}

/* ============================================
   Download Section
   ============================================ */

.download-section {
    padding: 100px 0;
    text-align: center;
}

.download-content h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin-bottom: 16px;
}

.download-content p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--card-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 16px;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    padding: 6px 0;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--card-border);
    font-size: 13px;
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--green);
}

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

.footer-bottom-links a {
    color: var(--text-muted);
    font-size: 13px;
    transition: color 0.2s;
}

.footer-bottom-links a:hover {
    color: var(--green);
}

.footer-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}

/* ============================================
   Animations
   ============================================ */

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .ai-grid,
    .swipe-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .ai-visual {
        order: -1;
    }

    .memories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 130px 0 80px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
        padding: 24px 32px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .tab-grid {
        grid-template-columns: 1fr;
    }

    .tools-categories {
        grid-template-columns: 1fr;
    }

    .memories-grid {
        grid-template-columns: 1fr 1fr;
    }

    .memory-card {
        height: 220px;
    }

    .premium-card {
        padding: 40px 24px;
    }

    .premium-features-grid {
        grid-template-columns: 1fr;
    }

    .premium-plans {
        flex-direction: column;
        align-items: center;
    }

    .plan-card {
        width: 100%;
        max-width: 280px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .footer-bottom-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    .swipe-phone {
        width: 220px;
        height: 440px;
    }

    .swipe-demo-photo {
        height: 220px;
    }
}

@media (max-width: 480px) {
    .memories-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-lg {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   Page Styles (Terms, Contact, Privacy)
   ============================================ */

.page-hero {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero .hero-glow {
    opacity: 0.08;
}

.page-content {
    padding: 0 0 100px;
}

.page-content .container {
    max-width: 800px;
}

.content-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 48px;
}

.content-card h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--text);
}

.content-card h2:first-child {
    margin-top: 0;
}

.content-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin: 28px 0 12px;
    color: var(--text);
}

.content-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.content-card ul, .content-card ol {
    margin: 12px 0 20px 24px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.content-card li {
    margin-bottom: 8px;
}

.content-card strong {
    color: var(--text);
}

.content-card a {
    color: var(--green);
    transition: opacity 0.2s;
}

.content-card a:hover {
    opacity: 0.8;
}

.last-updated {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--card-light);
    border-radius: var(--radius);
    border: 1px solid var(--card-border);
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    background: var(--card-light);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--green);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='%238B949E'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-group select option {
    background: var(--card);
}

.btn-submit {
    padding: 14px 32px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 100px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    box-shadow: 0 4px 24px rgba(16, 185, 129, 0.3);
}

.btn-submit:hover {
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.45);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .content-card {
        padding: 28px 20px;
    }
}