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

:root {
    --primary-color: #f7931a;
    --primary-dark: #d47912;
    --secondary-color: #4a90e2;
    --dark-bg: #0a0e27;
    --darker-bg: #050814;
    --card-bg: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --gradient-start: #f7931a;
    --gradient-end: #ff6b35;
    --success-color: #00d395;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none !important;
    color: var(--text-primary) !important;
    cursor: pointer;
    transition: opacity 0.3s;
}

.logo:hover {
    opacity: 0.8;
    color: var(--text-primary) !important;
}

.logo:visited,
.logo:active,
.logo:focus {
    color: var(--text-primary) !important;
    text-decoration: none !important;
}

.logo-text {
    color: var(--text-primary) !important;
}

.logo-icon {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-weight: 800;
}

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

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(247, 147, 26, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    cursor: pointer;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    background: rgba(247, 147, 26, 0.1);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(247, 147, 26, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btc-price-widget {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--card-bg);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btc-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.btc-price {
    color: var(--success-color);
    font-weight: 700;
    font-size: 1.1rem;
}

/* Floating Cards */
.hero-image {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 10%;
    left: 20%;
    animation-delay: 4s;
}

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

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

.card-value {
    font-size: 1.125rem;
    font-weight: 700;
}

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

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--darker-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* How It Works Section */
.how-it-works {
    padding: 6rem 0;
    background: var(--dark-bg);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Rewards Section */
.rewards {
    padding: 6rem 0;
    background: var(--darker-bg);
}

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.reward-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.reward-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.reward-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(247, 147, 26, 0.1), rgba(255, 107, 53, 0.1));
}

.reward-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.reward-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.reward-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.reward-amount {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.reward-description {
    color: var(--text-secondary);
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(247, 147, 26, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

/* Footer */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

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

.footer-tagline {
    color: var(--text-secondary);
    margin-top: 1rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-weight: 700;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--text-secondary);
}

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

    .hero-image {
        height: 300px;
    }

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

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

    .nav-links {
        display: none;
    }

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

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

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

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

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

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .floating-card {
        padding: 1rem;
        font-size: 0.875rem;
    }

    .card-icon {
        font-size: 1.5rem;
    }
}