/* ============================================
   FocusFarm Landing Page - Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ============================================
   CSS Custom Properties - Design Tokens
   ============================================ */
:root {
    /* Light Theme Colors */
    --bg-primary: #F5F5F0;
    --bg-surface: #FFFFFF;
    --color-primary: #4A7C23;
    --color-primary-light: #E8F5E9;
    --color-primary-dark: #3A6319;
    --text-primary: #2D4A22;
    --text-secondary: #6B8E6B;
    --color-accent: #FFB800;
    --color-accent-light: #FFF8E1;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(45, 74, 34, 0.08);
    --shadow-md: 0 4px 16px rgba(45, 74, 34, 0.1);
    --shadow-lg: 0 8px 32px rgba(45, 74, 34, 0.12);
    --shadow-glow: 0 0 30px rgba(74, 124, 35, 0.3);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

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

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #121212;
    --bg-surface: #1E1E1E;
    --color-primary: #6AAF3D;
    --color-primary-light: #1E3A1A;
    --color-primary-dark: #5A9F2D;
    --text-primary: #E0E0E0;
    --text-secondary: #A0A0A0;
    --color-accent: #FFB800;
    --color-accent-light: #2A2516;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(106, 175, 61, 0.4);

    --glass-bg: rgba(30, 30, 30, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

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

ul {
    list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.section {
    padding: var(--space-3xl) 0;
}

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

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: var(--shadow-md), 0 4px 15px rgba(74, 124, 35, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), 0 8px 25px rgba(74, 124, 35, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 2px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

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

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), #FF9500);
    color: #1a1a1a;
    box-shadow: var(--shadow-md), 0 4px 15px rgba(255, 184, 0, 0.3);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), 0 8px 25px rgba(255, 184, 0, 0.4);
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-icon {
    width: 24px;
    height: 24px;
}

/* Pulse Animation for CTA */
@keyframes pulse {

    0%,
    100% {
        box-shadow: var(--shadow-md), 0 4px 15px rgba(74, 124, 35, 0.3);
    }

    50% {
        box-shadow: var(--shadow-lg), 0 8px 30px rgba(74, 124, 35, 0.5);
    }
}

.btn-pulse {
    animation: pulse 2s infinite;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 2rem;
}

.logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Toggle */
.theme-toggle {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--bg-surface);
    border: 2px solid var(--glass-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    transform: rotate(15deg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    transition: all var(--transition-fast);
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="light"] .theme-toggle .icon-moon,
:root:not([data-theme]) .theme-toggle .icon-moon {
    display: none;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

    .mobile-menu-btn {
        display: flex;
        z-index: 1100;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        display: flex;
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg-surface);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: right var(--transition-normal);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        z-index: 1050;
        backdrop-filter: blur(20px);
        background: var(--glass-bg);
    }

    .nav-links.mobile-open {
        right: 0;
    }

    .nav-right .btn {
        display: none;
    }
}

body.menu-open {
    overflow: hidden;
}

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, var(--color-primary-light) 0%, transparent 70%);
    opacity: 0.5;
    z-index: -1;
}

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

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-accent-light);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.hero h1 {
    margin-bottom: var(--space-md);
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: var(--space-lg);
}

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

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

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
}

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

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

.hero-image {
    width: 100%;
    max-width: 550px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* Floating Animals Animation */
.floating-animal {
    position: absolute;
    animation: float 3s ease-in-out infinite;
}

.floating-animal:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.floating-animal:nth-child(2) {
    top: 20%;
    right: 5%;
    animation-delay: 0.5s;
}

.floating-animal:nth-child(3) {
    bottom: 15%;
    left: 5%;
    animation-delay: 1s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

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

    .hero-content {
        max-width: 100%;
        order: 1;
    }

    .hero-visual {
        order: 0;
        margin-bottom: var(--space-lg);
    }

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

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

/* ============================================
   Features Section
   ============================================ */
.features {
    background: var(--bg-surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: var(--bg-primary);
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

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

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border-radius: var(--radius-lg);
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.feature-card h4 {
    margin-bottom: var(--space-xs);
}

.feature-card p {
    font-size: 1rem;
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--color-primary-light) 100%);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.step-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.step-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: var(--radius-lg);
}

.step-content h4 {
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.step-content p {
    font-size: 1rem;
}

.step-icon {
    font-size: 1.5rem;
    margin-left: auto;
}

@media (max-width: 600px) {
    .step-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .step-card:hover {
        transform: translateY(-5px);
    }
}

/* ============================================
   Screenshots Section
   ============================================ */
.screenshots {
    background: var(--bg-surface);
    overflow: hidden;
}

.screenshots-carousel {
    display: flex;
    gap: var(--space-lg);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: var(--space-md) 0;
    scrollbar-width: none;
}

.screenshots-carousel::-webkit-scrollbar {
    display: none;
}

.screenshot-item {
    flex: 0 0 280px;
    scroll-snap-align: center;
    transition: all var(--transition-normal);
}

.screenshot-item img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--bg-primary);
}

.screenshot-item:hover {
    transform: scale(1.05);
}

.screenshot-label {
    text-align: center;
    margin-top: var(--space-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--glass-border);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot.active,
.carousel-dot:hover {
    background: var(--color-primary);
    transform: scale(1.2);
}

/* ============================================
   Philosophy Section
   ============================================ */
.philosophy {
    background: var(--bg-primary);
}

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

.philosophy-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

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

.philosophy-content h4 {
    margin-bottom: var(--space-xs);
}

.philosophy-content p {
    font-size: 1rem;
}

/* ============================================
   Audience Section
   ============================================ */
.audience {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.audience h2,
.audience p {
    color: white;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.audience-card {
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: all var(--transition-normal);
}

.audience-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

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

.audience-card h4 {
    color: white;
    margin-bottom: var(--space-xs);
}

.audience-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    background: var(--bg-surface);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    padding: var(--space-xl);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 2px solid var(--glass-border);
    transition: all var(--transition-normal);
    position: relative;
}

.pricing-card.popular {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.pricing-card.popular::before {
    content: '✨ Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 1rem;
    background: var(--color-primary);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

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

.pricing-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
}

.pricing-period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-features {
    margin-bottom: var(--space-lg);
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    color: var(--text-secondary);
}

.pricing-feature .check {
    color: var(--color-primary);
    font-size: 1.25rem;
}

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

/* ============================================
   Roadmap Section
   ============================================ */
.roadmap {
    background: var(--bg-primary);
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
}

.roadmap-card {
    padding: var(--space-lg);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.roadmap-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.roadmap-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.roadmap-card h4 {
    margin-bottom: var(--space-xs);
}

.roadmap-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-top: var(--space-sm);
}

/* ============================================
   Final CTA Section
   ============================================ */
.final-cta {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--bg-primary) 100%);
    text-align: center;
    padding: var(--space-3xl) 0;
}

.final-cta h2 {
    margin-bottom: var(--space-md);
}

.final-cta>.container>p {
    max-width: 500px;
    margin: 0 auto var(--space-lg);
}

.download-notice {
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    padding: var(--space-lg);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    text-align: left;
}

.notice-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.notice-text {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.6;
}

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

.store-badge {
    height: 56px;
    transition: all var(--transition-fast);
}

.store-badge:hover {
    transform: scale(1.05);
}

.cta-note {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-lg);
}

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

.footer-brand .logo {
    font-size: 1.25rem;
}

.footer-tagline {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.footer-email {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
    transition: opacity var(--transition-fast);
}

.footer-email:hover {
    opacity: 0.8;
}

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

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

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    margin-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.footer-bottom p {
    font-size: 0.875rem;
}

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

@media (max-width: 768px) {
    .footer .container {
        flex-direction: column;
        text-align: center;
    }

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

/* ============================================
   Animations
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children animations */
.stagger-children>* {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.stagger-children.visible>*:nth-child(1) {
    transition-delay: 0.1s;
}

.stagger-children.visible>*:nth-child(2) {
    transition-delay: 0.2s;
}

.stagger-children.visible>*:nth-child(3) {
    transition-delay: 0.3s;
}

.stagger-children.visible>*:nth-child(4) {
    transition-delay: 0.4s;
}

.stagger-children.visible>*:nth-child(5) {
    transition-delay: 0.5s;
}

.stagger-children.visible>*:nth-child(6) {
    transition-delay: 0.6s;
}

.stagger-children.visible>*:nth-child(7) {
    transition-delay: 0.7s;
}

.stagger-children.visible>*:nth-child(8) {
    transition-delay: 0.8s;
}

.stagger-children.visible>* {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

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

.mt-md {
    margin-top: var(--space-md);
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mb-sm {
    margin-bottom: var(--space-sm);
}

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

.mb-lg {
    margin-bottom: var(--space-lg);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }

    .section {
        padding: var(--space-2xl) 0;
    }

    .btn {
        padding: 0.875rem 1.5rem;
    }

    .btn-lg {
        padding: 1rem 2rem;
    }

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

    .download-notice {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: var(--space-md);
    }

    .notice-icon {
        margin-bottom: var(--space-xs);
    }

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

    .nav-links {
        width: 100%;
        max-width: 100%;
    }
}

/* Landscape orientation optimization for small devices */
@media (max-height: 500px) and (max-width: 900px) {
    .nav-links {
        flex-direction: row;
        gap: 1.5rem;
        height: auto;
        padding: 1rem;
        top: 0;
        right: 0;
        width: 100%;
        transform: translateY(-100%);
    }

    .nav-links.mobile-open {
        transform: translateY(0);
    }
}