/* ============================
   CSS Variables & Reset
   ============================ */
:root {
    /* Colors */
    --bitcoin-orange: #F7931A;
    --bitcoin-orange-dark: #E8860D;
    --matrix-green: #00FF41;
    --pure-white: #FFFFFF;
    --pixel-yellow: #FFEB3B;
    --neon-cyan: #00D9FF;
    --neon-pink: #FF006E;
    --terminal-teal: #4EC9B0;

    --bg-dark: #0A0A0A;
    --bg-card: #141414;
    --bg-card-hover: #1A1A1A;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-muted: #6B6B6B;

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

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;

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

    /* Container */
    --container-max-width: 1200px;
    --container-padding: 2rem;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================
   Container
   ============================ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================
   Navigation
   ============================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--container-padding);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.bitcoin-icon {
    width: 36px;
    height: 36px;
    transition: transform var(--transition-normal);
}

.bitcoin-icon:hover {
    transform: rotate(15deg);
}

.bitcoin-icon.small {
    width: 24px;
    height: 24px;
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--bitcoin-orange) 0%, var(--bitcoin-orange-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ============================
   Language Dropdown
   ============================ */
.lang-dropdown {
    position: relative;
}

.lang-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-dropdown-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(247, 147, 26, 0.3);
}

.lang-dropdown-btn.active .dropdown-arrow {
    transform: rotate(180deg);
}

.current-lang {
    display: flex;
    align-items: center;
}

.dropdown-arrow {
    transition: transform var(--transition-fast);
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: rgba(20, 20, 20, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: 1001;
    max-height: 400px;
    overflow-y: auto;
}

.lang-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown-menu::-webkit-scrollbar {
    width: 4px;
}

.lang-dropdown-menu::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.lang-dropdown-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

.lang-item {
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.lang-item:last-child {
    border-bottom: none;
}

.lang-item:hover:not(.disabled) {
    background: rgba(247, 147, 26, 0.1);
    color: var(--bitcoin-orange);
}

.lang-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    position: relative;
}

.lang-item.disabled:hover {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
}

.lang-item.disabled::after {
    content: 'Coming Soon';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.6875rem;
    color: var(--bitcoin-orange);
    background: rgba(247, 147, 26, 0.15);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-weight: 600;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
}

.cta-btn.small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    background: linear-gradient(135deg, var(--bitcoin-orange) 0%, var(--bitcoin-orange-dark) 100%);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(247, 147, 26, 0.3);
    border: 1px solid rgba(247, 147, 26, 0.3);
}

.cta-btn.small:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(247, 147, 26, 0.4);
    border-color: rgba(247, 147, 26, 0.5);
}

.cta-btn.primary {
    background: linear-gradient(135deg, var(--bitcoin-orange) 0%, var(--bitcoin-orange-dark) 100%);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(247, 147, 26, 0.3);
}

.cta-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(247, 147, 26, 0.4);
}

.cta-btn.secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* ============================
   Hero Section
   ============================ */
.hero {
    padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(247, 147, 26, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(247, 147, 26, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 65, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

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

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.badge svg {
    color: var(--bitcoin-orange);
}

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    animation: float 6s ease-in-out infinite;
}

.phone-frame {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
    border-radius: 50px;
    padding: 12px;
    box-shadow:
        0 50px 100px rgba(0, 0, 0, 0.5),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
    position: relative;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 25px;
    background: #000;
    border-radius: 20px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #000 0%, #0A0A0A 100%);
    border-radius: 40px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px 20px 50px;
}

.app-preview {
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.bitcoin-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    position: relative;
}

.bitcoin-logo::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(247, 147, 26, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseBackground 3s ease-in-out infinite;
}

.bitcoin-logo svg {
    width: 80px;
    height: 80px;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 15px rgba(247, 147, 26, 0.8));
    animation: bitcoinLogoGlow 3s ease-in-out infinite;
}

@keyframes bitcoinLogoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 15px rgba(247, 147, 26, 0.8));
    }
    50% {
        filter: drop-shadow(0 0 25px rgba(247, 147, 26, 1));
    }
}

@keyframes pulseBackground {
    0%, 100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.bitcoin-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--bitcoin-orange);
    margin-bottom: 1rem;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.block-height {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.fee-rates {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.fee {
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--bitcoin-orange);
    font-weight: 600;
}

/* ============================
   Features Section
   ============================ */
.features {
    padding: calc(var(--spacing-xl) + 12rem) 0 var(--spacing-xl);
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(20, 20, 20, 0.5) 50%, var(--bg-dark) 100%);
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--bitcoin-orange), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(247, 147, 26, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.feature-icon.orange {
    background: rgba(247, 147, 26, 0.15);
}

.feature-icon.green {
    background: rgba(0, 255, 65, 0.15);
}

.feature-icon.blue {
    background: rgba(0, 217, 255, 0.15);
}

.feature-icon.purple {
    background: rgba(255, 0, 110, 0.15);
}

.feature-icon.pink {
    background: rgba(255, 235, 59, 0.15);
}

.feature-icon.cyan {
    background: rgba(78, 201, 176, 0.15);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================
   StandBy Section
   ============================ */
.standby-section {
    padding: var(--spacing-xl) 0;
}

.standby-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.standby-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.standby-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.standby-features {
    list-style: none;
}

.standby-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    font-size: 1rem;
}

.standby-preview {
    display: flex;
    justify-content: center;
}

.standby-mockup {
    width: 100%;
    max-width: 600px;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, rgba(247, 147, 26, 0.1) 0%, rgba(0, 0, 0, 0.5) 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.standby-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    animation: shimmer 3s infinite;
}

.time-display {
    font-size: 4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.standby-data {
    text-align: center;
}

.standby-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--bitcoin-orange);
    margin-bottom: 1rem;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.standby-block {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

/* ============================
   Widgets Section
   ============================ */
.widgets-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(20, 20, 20, 0.5) 50%, var(--bg-dark) 100%);
}

.widgets-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.widget-preview {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all var(--transition-normal);
}

.widget-preview:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(247, 147, 26, 0.3);
}

.widget-preview.small {
    min-height: 150px;
}

.widget-preview.medium {
    min-height: 200px;
}

.widget-preview.large {
    min-height: 250px;
}

.widget-title {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.widget-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--bitcoin-orange);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.widget-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.widget-row:last-child {
    border-bottom: none;
}

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

.widget-header {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.widget-large-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--bitcoin-orange);
    margin-bottom: 1.5rem;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.widget-stats {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

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

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================
   Themes Section
   ============================ */
.themes-section {
    padding: var(--spacing-xl) 0;
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.theme-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-normal);
    text-align: center;
}

.theme-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.theme-preview {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.theme-preview.orange-glow {
    background: linear-gradient(135deg, rgba(247, 147, 26, 0.3) 0%, rgba(0, 0, 0, 0.5) 100%);
    box-shadow: 0 0 30px rgba(247, 147, 26, 0.3);
}

.theme-preview.matrix-glow {
    background: linear-gradient(135deg, rgba(0, 255, 65, 0.3) 0%, rgba(0, 0, 0, 0.5) 100%);
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.3);
}

.theme-preview.white-glow {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(0, 0, 0, 0.5) 100%);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

.theme-preview.pixel-glow {
    background: linear-gradient(135deg, rgba(255, 235, 59, 0.3) 0%, rgba(0, 0, 0, 0.5) 100%);
    box-shadow: 0 0 30px rgba(255, 235, 59, 0.3);
}

.theme-preview.neon-glow {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.3) 0%, rgba(255, 0, 110, 0.3) 100%);
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
}

.theme-preview.terminal-glow {
    background: linear-gradient(135deg, rgba(78, 201, 176, 0.3) 0%, rgba(0, 0, 0, 0.5) 100%);
    box-shadow: 0 0 30px rgba(78, 201, 176, 0.3);
}

.theme-text {
    font-size: 2rem;
    font-weight: 700;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.theme-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* ============================
   Languages Section
   ============================ */
.languages-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(20, 20, 20, 0.5) 50%, var(--bg-dark) 100%);
}

.languages-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.lang-tag {
    padding: 0.625rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.lang-tag:hover {
    background: rgba(247, 147, 26, 0.1);
    border-color: rgba(247, 147, 26, 0.3);
    color: var(--bitcoin-orange);
    transform: translateY(-2px);
}

/* ============================
   Download CTA Section
   ============================ */
.download-cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(247, 147, 26, 0.05) 50%, var(--bg-dark) 100%);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--bitcoin-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.app-store-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    background: var(--text-primary);
    color: var(--bg-dark);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.app-store-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

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

.store-label {
    font-size: 0.6875rem;
    opacity: 0.7;
}

.store-name {
    font-size: 1.125rem;
    font-weight: 600;
}

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

/* ============================
   Footer
   ============================ */
.footer {
    padding: var(--spacing-md) 0;
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand-text {
    font-weight: 600;
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

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

/* ============================
   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 float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

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

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

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

    .phone-mockup {
        width: 260px;
        height: 520px;
    }

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

    .standby-preview {
        order: -1;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.5rem;
    }

    .navbar .container {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .nav-actions {
        gap: 1rem;
    }

    .hero {
        padding: calc(80px + var(--spacing-md)) 0 var(--spacing-md);
        min-height: calc(100vh - 80px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

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

    .widgets-showcase {
        grid-template-columns: 1fr;
    }

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

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

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

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

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }

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

    .phone-mockup {
        width: 180px;
        height: 360px;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .theme-card {
        padding: 1.5rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }

    .lang-dropdown-menu {
        max-height: 300px;
    }
}

/* ============================
   Toast Notification
   ============================ */
.toast-notification {
    position: fixed;
    top: 100px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(247, 147, 26, 0.3);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateX(400px);
    transition: all var(--transition-normal);
}

.toast-notification.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.toast-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.toast-message {
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .toast-notification {
        top: 80px;
        right: 10px;
        left: 10px;
        transform: translateX(0) translateY(-100px);
    }

    .toast-notification.show {
        transform: translateX(0) translateY(0);
    }
}