/* ============================================
   SlimPic Landing Page - Modern Design System
   ============================================ */

/* ==================== CSS Variables ==================== */
:root {
    /* Base Colors */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #1a1a1d;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    /* Theme: Teal (Default) */
    --primary: #14b8a6;
    --primary-light: #2dd4bf;
    --primary-dark: #0d9488;
    --accent: #a855f7;
    --accent-light: #c084fc;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #14b8a6 0%, #2dd4bf 50%, #a855f7 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    --gradient-glow: radial-gradient(circle at center, var(--primary) 0%, transparent 70%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(20, 184, 166, 0.3);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;

    /* Transitions */
    --duration-fast: 150ms;
    --duration-base: 250ms;
    --duration-slow: 400ms;

    /* Container */
    --container-max: 1200px;
}

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

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

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

img, svg {
    display: block;
    max-width: 100%;
}

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

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

ul {
    list-style: none;
}

/* ==================== Background Decoration ==================== */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bg-gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--primary-light);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 30px) scale(1.02); }
}

.bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.bg-noise {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ==================== Container ==================== */
.nav-container,
.section-container,
.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-md) 0;
    transition: all var(--duration-base) ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.logo-icon img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--duration-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--duration-base);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--duration-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

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

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.title-main {
    display: block;
}

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

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

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

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

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

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--duration-base);
    cursor: pointer;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(20, 184, 166, 0.5);
}

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

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
    width: 100%;
}

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

/* ==================== Hero Visual with App Preview ==================== */
.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInRight 0.8s ease-out;
}

.device-mockup {
    position: relative;
    width: 300px;
    animation: deviceFloat 6s ease-in-out infinite;
}

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

.device-frame {
    width: 100%;
    aspect-ratio: 9/19.5;
    background: linear-gradient(145deg, #2a2a2e, #1a1a1d);
    border-radius: 45px;
    padding: 8px;
    box-shadow:
        0 0 0 2px rgba(255, 255, 255, 0.1),
        var(--shadow-lg),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.device-notch {
    width: 120px;
    height: 25px;
    background: #000;
    border-radius: 0 0 15px 15px;
    margin: 0 auto;
}

.device-screen {
    width: 100%;
    height: calc(100% - 25px);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-radius: 35px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

/* App Preview Screen */
.screen-app-preview {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-md);
}

.app-title {
    font-weight: 700;
    font-size: 0.875rem;
}

.app-status {
    color: var(--primary);
    font-size: 0.75rem;
}

.app-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-md);
}

.compress-demo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.compress-card {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    text-align: center;
}

.compress-card.before {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
    border-color: rgba(239, 68, 68, 0.3);
}

.compress-card.after {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1) 0%, rgba(20, 184, 166, 0.05) 100%);
    border-color: rgba(20, 184, 166, 0.3);
}

.card-icon {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
}

.card-size {
    font-weight: 700;
    font-size: 0.75rem;
}

.card-label {
    font-size: 0.625rem;
    color: var(--text-tertiary);
}

.compress-arrow {
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
}

.compress-result {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
}

.result-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.result-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
}

.app-button {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: var(--space-sm);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.75rem;
    margin-top: auto;
}

/* ==================== Section Styles ==================== */
section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-label {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== How It Works Section ==================== */
.how-it-works {
    background: linear-gradient(180deg, transparent 0%, rgba(20, 184, 166, 0.03) 50%, transparent 100%);
}

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

.step-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    position: relative;
    transition: all var(--duration-base);
}

.step-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.step-number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: white;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.step-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ==================== Features Section ==================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ==================== Stats Section ==================== */
.stats-section {
    background: linear-gradient(180deg, transparent 0%, rgba(168, 85, 247, 0.05) 50%, transparent 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-base);
}

.stat-card:hover {
    border-color: var(--primary);
    transform: scale(1.02);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    margin-bottom: 0;
    flex-shrink: 0;
}

.stat-info {
    flex: 1;
}

.stat-number {
    font-size: 1.25rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ==================== Pricing Section ==================== */
.pricing {
    background: linear-gradient(180deg, transparent 0%, rgba(20, 184, 166, 0.03) 50%, transparent 100%);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    align-items: stretch;
}

.pricing-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    transition: all var(--duration-base);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
}

.pricing-card.pricing-free {
    opacity: 0.8;
}

.pricing-card.pricing-pro {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.15) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-color: var(--primary);
}

.pricing-card.pricing-vip {
    opacity: 0.9;
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: var(--space-xl);
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    z-index: 1;
}

.pricing-badge-glow {
    position: absolute;
    top: -12px;
    right: var(--space-xl);
    width: 60px;
    height: 30px;
    background: var(--primary);
    border-radius: var(--radius-full);
    filter: blur(20px);
    opacity: 0.5;
    z-index: 0;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.price-value {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card.pricing-free .price-value {
    font-size: 2.5rem;
    background: none;
    -webkit-text-fill-color: var(--text-primary);
}

.price-period {
    color: var(--text-tertiary);
}

.pricing-desc {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-top: var(--space-sm);
}

/* ==================== Pricing More Options ==================== */
.pricing-more {
    margin-top: var(--space-3xl);
    text-align: center;
}

.more-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.more-grid {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.more-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg) var(--space-xl);
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    min-width: 140px;
    transition: all var(--duration-base);
}

.more-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.more-card.highlight {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1) 0%, rgba(168, 85, 247, 0.05) 100%);
    border-color: var(--primary);
    position: relative;
}

.more-card.highlight::before {
    content: '推荐';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 2px 8px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.625rem;
    font-weight: 600;
    color: white;
}

.more-name {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.more-price {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.more-card.highlight .more-price {
    font-size: 1.75rem;
}

.pricing-features {
    margin-bottom: var(--space-xl);
    flex: 1;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.pricing-features li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    font-size: 0.625rem;
    color: white;
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-features li strong {
    color: var(--text-primary);
    font-weight: 600;
}

.pricing-card .btn {
    width: 100%;
}

/* ==================== Download Section ==================== */
.download {
    text-align: center;
}

.download-content {
    max-width: 600px;
    margin: 0 auto;
}

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

.download-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--space-md);
}

.download-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

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

.store-btn {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--duration-base);
    min-width: 180px;
}

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

.store-btn svg {
    width: 28px;
    height: 28px;
}

.store-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.store-text span:first-child {
    font-size: 0.625rem;
    opacity: 0.7;
}

.store-text span:last-child {
    font-size: 1rem;
    font-weight: 600;
}

.download-info {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.info-icon {
    color: var(--primary);
    font-weight: 700;
}

/* ==================== Footer ==================== */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.footer-company {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

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

.footer-column h4 {
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.footer-column a {
    display: block;
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
    transition: color var(--duration-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.footer-icp {
    margin-top: var(--space-sm);
}

/* ==================== Animations ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==================== Responsive ==================== */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border);
        padding: var(--space-xl);
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--duration-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-toggle {
        display: flex;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: var(--space-xl);
    }
}

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

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

@media (max-width: 640px) {
    .section-container {
        padding: 0 var(--space-md);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

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

    .download-buttons {
        flex-direction: column;
    }

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

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

    .download-info {
        flex-direction: column;
        gap: var(--space-sm);
    }
}