/* ============================================
   Feather Wallet - Main Stylesheet
   A Modern, SEO-Optimized Cryptocurrency Wallet Website
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #F97316;
    --color-primary-dark: #EA580C;
    --color-primary-light: #FB923C;
    --color-secondary: #FDBA74;
    --color-accent: #06B6D4;

    --color-bg-dark: #0B0B15;
    --color-bg-card: #12121F;
    --color-bg-card-hover: #1A1A2E;

    --color-text-primary: #FFFFFF;
    --color-text-secondary: #A1A1AA;
    --color-text-muted: #71717A;

    --color-border: #27273A;
    --color-border-light: #3F3F5A;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #F97316 0%, #FB923C 100%);
    --gradient-secondary: linear-gradient(135deg, #06B6D4 0%, #F97316 100%);
    --gradient-dark: linear-gradient(180deg, #0B0B15 0%, #12121F 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* 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 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(249, 115, 22, 0.3);
    --shadow-glow-lg: 0 0 80px rgba(249, 115, 22, 0.4);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Container */
    --container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

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

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

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

/* ============================================
   Particles Background
   ============================================ */
#particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

#particles-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

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

.navbar.scrolled {
    background: rgba(11, 11, 21, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    transition: opacity var(--transition-fast);
}

.nav-logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.nav-cta {
    margin-left: var(--spacing-md);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

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

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: transform var(--transition-base);
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
    color: var(--color-text-primary);
}

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

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

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1rem;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease-out;
}

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

.hero-title {
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

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

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

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

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease-out 0.3s both;
}

.wallet-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.wallet-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--gradient-primary);
    opacity: 0.1;
    filter: blur(40px);
}

.wallet-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.wallet-dots {
    display: flex;
    gap: 6px;
}

.wallet-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.wallet-dots .dot.red { background: #EF4444; }
.wallet-dots .dot.yellow { background: #F59E0B; }
.wallet-dots .dot.green { background: #10B981; }

.wallet-title {
    font-weight: 600;
    color: var(--color-text-secondary);
}

.wallet-balance {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.balance-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.balance-amount {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.balance-fiat {
    display: block;
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

.wallet-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.wallet-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-card-hover);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.wallet-action:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.wallet-action svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-primary);
}

.wallet-action span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    inset: -50px;
    pointer-events: none;
}

.float-coin {
    position: absolute;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 8px rgba(249, 115, 22, 0.3));
    animation: float 6s ease-in-out infinite;
}

.coin-1 {
    top: 15%;
    left: -5%;
    animation-delay: 0s;
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-3xl);
}

/* ============================================
   Features Section
   ============================================ */
.features {
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-card) 50%, var(--color-bg-dark) 100%);
    position: relative;
}

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

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

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

.feature-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

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

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-text-primary);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.feature-card p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ============================================
   Security Section
   ============================================ */
.security {
    position: relative;
}

.security::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

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

.security-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.security-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-base);
}

.security-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.security-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.security-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.security-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-primary);
}

.security-text h4 {
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.security-text p {
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ============================================
   Supported Coins Section
   ============================================ */
.supported {
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-card) 50%, var(--color-bg-dark) 100%);
}

.coins-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-lg);
}

.coin-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    opacity: 0;
    transform: scale(0.9);
}

.coin-card.animate-in {
    opacity: 1;
    transform: scale(1);
}

.coin-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-glow);
}

.coin-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.coin-icon.btc { background: linear-gradient(135deg, #F7931A, #F7931A33); }
.coin-icon.eth { background: linear-gradient(135deg, #627EEA, #627EEA33); }
.coin-icon.ltc { background: linear-gradient(135deg, #345D9D, #345D9D33); }
.coin-icon.xrp { background: linear-gradient(135deg, #23292F, #23292F33); }
.coin-icon.ada { background: linear-gradient(135deg, #0033AD, #0033AD33); }
.coin-icon.dot { background: linear-gradient(135deg, #E6007A, #E6007A33); }

.coin-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.coin-symbol {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.coin-card.more {
    justify-content: center;
    background: var(--gradient-primary);
    border: none;
}

.more-text {
    font-weight: 600;
    font-size: 0.875rem;
}

/* ============================================
   Download Section
   ============================================ */
.download {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.download-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.1) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.download-card > * {
    position: relative;
    z-index: 1;
}

.download-title {
    margin-bottom: var(--spacing-md);
}

.download-description {
    margin-bottom: var(--spacing-2xl);
    font-size: 1.125rem;
}

.download-options {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.download-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    cursor: pointer;
}

.download-option:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-card-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.platform-icon {
    width: 32px;
    height: 32px;
    color: var(--color-text-primary);
}

.download-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.platform-name {
    font-weight: 600;
    font-size: 1rem;
}

.platform-version {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.download-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.download-note svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-card) 50%, var(--color-bg-dark) 100%);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-base);
}

.faq-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.faq-item:hover {
    border-color: var(--color-border-light);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    transition: all var(--transition-fast);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question:hover {
    background: var(--color-bg-card-hover);
}

.faq-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.faq-item[open] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-card);
    padding: var(--spacing-xl) 0;
}

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

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

.footer-disclaimer {
    font-size: 0.75rem !important;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.social-link svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-primary);
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-bottom p:first-child {
    margin-bottom: var(--spacing-sm);
}

.footer-disclaimer {
    font-size: 0.8125rem !important;
}

/* ============================================
   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);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    33% {
        transform: translateY(-20px) rotate(5deg);
    }
    66% {
        transform: translateY(10px) rotate(-5deg);
    }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .coins-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .download-options {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-bg-card);
        flex-direction: column;
        padding: 80px var(--spacing-xl);
        transition: right var(--transition-base);
        border-left: 1px solid var(--color-border);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: block;
        z-index: 1001;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .security-features {
        grid-template-columns: 1fr;
    }
    
    .coins-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .wallet-actions {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .coins-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .coin-card.more {
        grid-column: span 2;
    }
    
    .wallet-actions {
        gap: var(--spacing-sm);
    }
    
    .wallet-action {
        padding: var(--spacing-sm);
    }
    
    .wallet-action span {
        font-size: 0.625rem;
    }
}

/* ============================================
   Accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

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

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-text-primary);
    padding: var(--spacing-md);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}