/* ============================================
   BTC Airdrop Website Styles
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Obsidian Theme */
    --bg-deep: #030305;
    --bg-primary: #08080c;
    --bg-secondary: #0d0d14;
    --bg-tertiary: #14141d;
    --bg-glass: rgba(13, 13, 20, 0.7);
    --bg-glass-heavy: rgba(8, 8, 12, 0.9);

    /* Borders */
    --border-silk: rgba(255, 255, 255, 0.08);
    --border-silk-bright: rgba(255, 255, 255, 0.15);
    --border-gold: rgba(247, 147, 26, 0.3);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --text-dim: rgba(255, 255, 255, 0.3);

    /* Accent Colors */
    --accent-gold: #f7931a;
    --accent-gold-glow: rgba(247, 147, 26, 0.5);
    --accent-gold-soft: #ffb861;
    --accent-cyan: #00f2ff;
    --accent-purple: #8a2be2;
    --accent-green: #00ff9d;
    --accent-red: #ff3366;

    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #f7931a 0%, #ffb861 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    --gradient-mesh: radial-gradient(at 0% 0%, rgba(247, 147, 26, 0.15) 0, transparent 50%),
        radial-gradient(at 100% 100%, rgba(138, 43, 226, 0.1) 0, transparent 50%);

    /* Shadows & Glows */
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.82);
    --glow-gold: 0 0 20px rgba(247, 147, 26, 0.4);
    --glow-gold-lg: 0 0 50px rgba(247, 147, 26, 0.2);

    /* Typography */
    --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --container-max: 1280px;
    --section-padding: 120px;

    /* Animation */
    --transition-premium: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-soft: 0.4s var(--transition-premium);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-mesh);
    z-index: -1;
    pointer-events: none;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}

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

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-silk);
    transition: var(--transition-soft);
}

.navbar.scrolled {
    background: var(--bg-glass-heavy);
    padding: 4px 0;
    box-shadow: var(--shadow-glass);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bitcoin-icon {
    font-size: 28px;
    color: var(--accent-gold);
    filter: drop-shadow(0 0 10px var(--accent-gold-glow));
    font-weight: 700;
}

.brand-text {
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-gold);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--gradient-gold);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--accent-gold-glow);
}

.wallet-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient-gold);
    border: none;
    border-radius: 12px;
    color: var(--bg-deep);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-soft);
    box-shadow: var(--glow-gold);
}

.wallet-btn:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--glow-gold-lg);
}

.wallet-btn:active {
    transform: translateY(0) scale(1);
}

.wallet-address {
    font-family: var(--font-mono);
    font-size: 12px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-glass-heavy);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-silk);
    padding: 24px;
    flex-direction: column;
    gap: 8px;
    z-index: 999;
}

.mobile-nav-link {
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.mobile-nav-link:hover {
    background: rgba(247, 147, 26, 0.1);
    color: var(--text-primary);
}

.mobile-wallet-btn {
    margin-top: 8px;
    padding: 12px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    color: var(--bg-primary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-background::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-gold-glow) 0%, transparent 70%);
    top: 20%;
    right: -10%;
    filter: blur(80px);
    opacity: 0.3;
    animation: pulse 10s infinite alternate;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    margin: 0 auto;
    padding: 100px 0;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-gold);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.pulse-dot {
    width: 10px;
    height: 10px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.3);
        opacity: 0.6;
    }
}

.hero-title {
    font-size: clamp(48px, 10vw, 84px);
    font-weight: 800;
    line-height: 0.95;
    margin-bottom: 32px;
    letter-spacing: -2px;
}

.gradient-text {
    background: var(--gradient-gold);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px var(--accent-gold-glow));
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 56px;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    margin-bottom: 64px;
    padding: 32px;
    background: var(--bg-glass);
    border: 1px solid var(--border-silk);
    border-radius: 24px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-family: var(--font-mono);
    letter-spacing: -1px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 32px;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-soft);
    position: relative;
    overflow: hidden;
    letter-spacing: -0.2px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    filter: grayscale(1);
}

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

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--glow-gold-lg);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0) scale(1);
}

.btn-outline {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-silk-bright);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent-gold);
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
    border-radius: 16px;
}

.btn-full {
    width: 100%;
}

.btn-arrow {
    transition: var(--transition-soft);
}

.btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* ============================================
   Countdown Section
   ============================================ */

.countdown-section {
    padding: 64px 0;
    background: var(--bg-glass);
    border-top: 1px solid var(--border-silk);
    border-bottom: 1px solid var(--border-silk);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.countdown-container {
    text-align: center;
}

.countdown-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.time-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 90px;
}

.time-value {
    font-size: 44px;
    font-weight: 800;
    color: var(--text-primary);
    background: var(--bg-deep);
    padding: 16px 20px;
    border-radius: 16px;
    border: 1px solid var(--border-silk-bright);
    font-family: var(--font-mono);
    min-width: 90px;
    text-align: center;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.time-value::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glass);
    pointer-events: none;
}

.time-separator {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-gold);
    opacity: 0.5;
    margin-top: -24px;
}

.time-label {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   About Section
   ============================================ */

.about-section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.about-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-silk);
    border-radius: 24px;
    padding: 48px 40px;
    text-align: center;
    transition: var(--transition-soft);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glass);
    opacity: 0;
    transition: var(--transition-soft);
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-gold);
    box-shadow: var(--shadow-glass), var(--glow-gold);
}

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

.card-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
    color: var(--accent-gold);
    filter: drop-shadow(0 0 15px var(--accent-gold-glow));
}

.card-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 15px;
}

/* ============================================
   How It Works Section
   ============================================ */

.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--bg-deep);
}

.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    position: relative;
    padding: 0 40px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 300px;
    text-align: center;
    z-index: 1;
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--gradient-gold);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    color: var(--bg-deep);
    margin-bottom: 32px;
    box-shadow: var(--glow-gold);
    transform: rotate(-10deg);
    transition: var(--transition-soft);
}

.step:hover .step-number {
    transform: rotate(0deg) scale(1.1);
    box-shadow: var(--glow-gold-lg);
}

.step-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 15px;
}

.step-connector {
    display: flex;
    align-items: center;
    margin-top: 20px;
    opacity: 0.2;
    color: var(--accent-gold);
}

/* ============================================
   Claim Section
   ============================================ */

.claim-section {
    padding: var(--section-padding) 0;
}

.claim-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
    background: var(--bg-glass-heavy);
    border: 1px solid var(--border-silk-bright);
    border-radius: 32px;
    padding: 64px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-glass);
}

.claim-container::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-gold-glow) 0%, transparent 70%);
    filter: blur(60px);
    opacity: 0.15;
    pointer-events: none;
}

.claim-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.claim-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.reward-display {
    padding: 40px;
    background: var(--bg-deep);
    border: 1px solid var(--border-silk);
    border-radius: 24px;
    text-align: center;
    margin-bottom: 40px;
    box-shadow: inset 0 2px 20px rgba(0, 0, 0, 0.5);
}

.reward-amount {
    font-size: 56px;
    font-weight: 800;
    background: var(--gradient-gold);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 15px var(--accent-gold-glow));
    line-height: 1;
}

.btc-symbol {
    font-size: 44px;
}

.reward-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.claim-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.feature-item svg {
    color: var(--accent-green);
    filter: drop-shadow(0 0 5px var(--accent-green));
    flex-shrink: 0;
}

.claim-action {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.wallet-status {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-silk);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.status-icon {
    font-size: 36px;
}

.status-icon.connected {
    color: var(--accent-green);
}

.status-icon.disconnected {
    color: var(--accent-gold);
}

.status-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.status-description {
    font-size: 14px;
    color: var(--text-muted);
}

.claim-note {
    font-size: 13px;
    color: var(--text-dim);
    text-align: center;
    line-height: 1.5;
}

/* ============================================
   Recent Claims
   ============================================ */

.recent-claims {
    padding: var(--section-padding) 0;
    background: var(--bg-deep);
}

.recent-claims .section-title {
    text-align: center;
    margin-bottom: 56px;
}

.claims-table-container {
    background: var(--bg-glass);
    border: 1px solid var(--border-silk);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-glass);
}

.claims-table {
    width: 100%;
    border-collapse: collapse;
}

.claims-table th {
    padding: 20px 32px;
    text-align: left;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-silk);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.claims-table td {
    padding: 20px 32px;
    border-bottom: 1px solid var(--border-silk);
    color: var(--text-secondary);
    font-size: 15px;
}

.claims-table tr {
    transition: var(--transition-soft);
}

.claims-table tr:last-child td {
    border-bottom: none;
}

.claims-table tr:hover {
    background: rgba(247, 147, 26, 0.03);
}

.claims-table tr:hover td {
    color: var(--text-primary);
}

.claims-table td strong {
    color: var(--accent-gold);
    font-family: var(--font-mono);
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-confirmed {
    background: rgba(0, 255, 157, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(0, 255, 157, 0.2);
}

.status-pending {
    background: rgba(247, 147, 26, 0.1);
    color: var(--accent-gold);
    border: 1px solid rgba(247, 147, 26, 0.2);
}

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

.footer {
    padding: 100px 0 40px;
    background: var(--bg-deep);
    border-top: 1px solid var(--border-silk);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    bottom: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-gold-glow) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.1;
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 100px;
    margin-bottom: 80px;
    position: relative;
    z-index: 1;
}

.footer-brand .logo {
    margin-bottom: 24px;
}

.footer-description {
    color: var(--text-muted);
    max-width: 320px;
    line-height: 1.8;
    font-size: 15px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 0;
    font-size: 15px;
    transition: var(--transition-soft);
}

.footer-column a:hover {
    color: var(--accent-gold);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-silk);
    color: var(--text-dim);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

/* ============================================
   Modals
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    background: rgba(3, 3, 5, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    animation: fadeIn 0.4s var(--transition-premium);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--bg-glass-heavy);
    background-image: var(--gradient-glass);
    border: 1px solid var(--border-silk-bright);
    border-radius: 32px;
    max-width: 520px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.5s var(--transition-premium);
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.6);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 32px;
    border-bottom: 1px solid var(--border-silk);
}

.modal-header h3 {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.modal-close {
    background: var(--bg-deep);
    border: 1px solid var(--border-silk);
    color: var(--text-muted);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-soft);
}

.modal-close:hover {
    color: var(--text-primary);
    border-color: var(--border-silk-bright);
    background: var(--bg-tertiary);
    transform: rotate(90deg);
}

/* Wallet Modal */
.wallet-options {
    padding: 32px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.wallet-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    padding: 24px 16px;
    background: var(--bg-deep);
    border: 1px solid var(--border-silk);
    border-radius: 24px;
    cursor: pointer;
    transition: var(--transition-soft);
    position: relative;
    overflow: hidden;
}

.wallet-option::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glass);
    opacity: 0;
    transition: var(--transition-soft);
}

.wallet-option:hover {
    border-color: var(--accent-gold);
    background: var(--bg-tertiary);
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.wallet-option:hover::after {
    opacity: 1;
}

.wallet-icon {
    font-size: 36px;
    width: 56px;
    height: 56px;
    background: var(--bg-deep);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
}

.wallet-name {
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--accent-gold);
}

.wallet-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Claim Modal */
.claim-modal-content {
    padding: 24px;
}

.claim-confirmation {
    text-align: center;
}

.confirmation-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.claim-confirmation h4 {
    font-size: 24px;
    margin-bottom: 8px;
}

.claim-confirmation p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.wallet-address-display {
    text-align: left;
    margin-bottom: 24px;
}

.wallet-address-display label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.address {
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    word-break: break-all;
    font-size: 14px;
}

.claim-terms {
    margin-bottom: 24px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-orange);
    cursor: pointer;
    flex-shrink: 0;
}

/* Success Modal */
.success-content {
    padding: 48px 24px;
    text-align: center;
}

.success-icon {
    font-size: 80px;
    margin-bottom: 24px;
}

.success-content h3 {
    font-size: 28px;
    margin-bottom: 8px;
}

.success-content p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.transaction-details {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 32px;
    text-align: left;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
}

.detail-row:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.label {
    color: var(--text-muted);
}

.value {
    font-weight: 500;
}

/* ============================================
   Toast Notifications
   ============================================ */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s;
    min-width: 300px;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

.toast.success {
    border-color: rgba(0, 208, 132, 0.3);
}

.toast.error {
    border-color: rgba(255, 71, 87, 0.3);
}

.toast.warning {
    border-color: rgba(247, 147, 26, 0.3);
}

.toast-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    color: var(--accent-green);
}

.toast.error .toast-icon {
    color: var(--accent-red);
}

.toast.warning .toast-icon {
    color: var(--accent-orange);
}

.toast-message {
    flex: 1;
    font-size: 14px;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-stats {
        flex-direction: column;
        gap: 32px;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .claim-container {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 40px 24px;
    }

    .steps-container {
        flex-direction: column;
        align-items: center;
        gap: 60px;
    }

    .step-connector {
        display: none;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .footer-description {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }

    .navbar .container {
        height: 72px;
    }

    .nav-links {
        display: none;
    }

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

    .hero-title {
        font-size: 56px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero {
        min-height: auto;
        padding-top: 64px;
    }

    .hero-content {
        padding: 60px 0;
    }

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

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .countdown-timer {
        flex-wrap: wrap;
    }

    .time-unit {
        min-width: 80px;
    }

    .time-value {
        font-size: 36px;
        padding: 16px 20px;
        min-width: 80px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .toast-container {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }

    .toast {
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 40px;
    }

    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-description {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .claim-container {
        padding: 32px 24px;
    }

    .wallet-options {
        padding: 16px;
        grid-template-columns: 1fr;
    }

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

/* ============================================
   Loading States
   ============================================ */

.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.1),
            transparent);
    animation: loading 1.5s infinite;
}

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

    100% {
        left: 100%;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

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

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

.text-right {
    text-align: right;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-8 {
    margin-bottom: 8px;
}

.mb-16 {
    margin-bottom: 16px;
}

.mb-24 {
    margin-bottom: 24px;
}

.mb-32 {
    margin-bottom: 32px;
}

.mt-0 {
    margin-top: 0;
}

.mt-8 {
    margin-top: 8px;
}

.mt-16 {
    margin-top: 16px;
}

.mt-24 {
    margin-top: 24px;
}

.mt-32 {
    margin-top: 32px;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.bg-particle {
    position: absolute;
    background: radial-gradient(circle, var(--accent-gold-glow) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: float-particle ease-in-out infinite alternate;
    z-index: -1;
    pointer-events: none;
    will-change: transform;
}

@keyframes float-particle {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }

    100% {
        transform: translate(150px, 150px) scale(1.4);
        opacity: 0.7;
    }
}