/* CSS Variables */
:root {
    --primary-dark: #0A171F;
    --secondary-dark: #18212A;
    --primary-accent: #fafafa;
    --primary-white: #fafafa;
    --text-primary: #fafafa;
    --text-secondary: rgba(250, 250, 250, 0.7);
    --border-color: rgba(250, 250, 250, 0.2);
    --card-bg: rgba(250, 250, 250, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 23, 31, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    transition: var(--transition);
}

.logo-image {
    height: 32px;
    width: auto;
    display: block;
}

.logo:hover {
    opacity: 0.8;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-accent);
    transition: var(--transition);
}

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

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

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-accent);
    color: var(--primary-dark);
}

.btn-primary:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(250, 250, 250, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-accent);
    border: 2px solid var(--primary-accent);
}

.btn-secondary:hover {
    background-color: rgba(250, 250, 250, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-image: url('hero-bg-light.fd08b93d.svg');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(10, 23, 31, 0.4) 0%, var(--primary-dark) 100%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--primary-accent);
    position: relative;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary-accent);
    transform: translateY(-4px);
}

.stat-icon {
    width: 56px;
    height: 56px;
    background-color: rgba(250, 250, 250, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

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

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections */
section {
    padding: 100px 0;
}

.features-section {
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--secondary-dark) 50%, var(--primary-dark) 100%);
}

.security-section {
    background: var(--secondary-dark);
}

.validators-section {
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header p {
    font-size: 1.125rem;
    margin-top: 1rem;
}

/* Stake Section */
.stake-section {
    background: linear-gradient(180deg, var(--secondary-dark) 0%, var(--primary-dark) 100%);
}

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

.stake-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    transition: var(--transition);
}

.stake-card:hover {
    border-color: var(--primary-accent);
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(250, 250, 250, 0.15);
}

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

.method-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(250, 250, 250, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.stake-method h3 {
    color: var(--primary-accent);
    margin-bottom: 1rem;
}

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

.exchange-rate {
    text-align: center;
    padding: 1.5rem;
    background-color: rgba(250, 250, 250, 0.05);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.exchange-rate span {
    font-size: 1.125rem;
    color: var(--primary-accent);
    font-weight: 600;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary-accent);
    transform: translateY(-4px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(250, 250, 250, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Integrations Section */
.integrations-section {
    background-color: var(--secondary-dark);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.integration-logo {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.integration-logo:hover {
    border-color: var(--primary-accent);
    color: var(--primary-accent);
    transform: translateY(-4px);
}

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

.link-with-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-accent);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.link-with-arrow:hover {
    gap: 0.75rem;
}

/* Security Section */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.security-card {
    background: linear-gradient(135deg, rgba(250, 250, 250, 0.08) 0%, rgba(250, 250, 250, 0.02) 100%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    transition: var(--transition);
}

.security-card:hover {
    border-color: var(--primary-accent);
    transform: translateY(-4px);
}

.security-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-accent);
    margin-bottom: 1rem;
    line-height: 1;
}

.security-card h3 {
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

.security-card p {
    margin-bottom: 1.5rem;
}

.security-partners {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
}

.partners-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    display: block;
    text-align: center;
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
}

.partners-grid span {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
}

.partners-grid span:hover {
    color: var(--primary-accent);
    border-color: var(--primary-accent);
}

/* Validators Section */
.validator-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.validator-feature {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    transition: var(--transition);
}

.validator-feature:hover {
    border-color: var(--primary-accent);
    transform: translateY(-4px);
}

.feature-icon-small {
    width: 48px;
    height: 48px;
    background-color: rgba(250, 250, 250, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.validator-feature h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.validator-feature p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

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

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--primary-dark) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(250, 250, 250, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    margin-bottom: 1rem;
}

.cta-content p {
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
    background-color: var(--secondary-dark);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: rgba(250, 250, 250, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--primary-accent);
    color: var(--primary-dark);
    border-color: var(--primary-accent);
    transform: translateY(-2px);
}

.footer-col h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.footer-col ul li {
    margin-bottom: 0.75rem;
}

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

.footer-col ul li a:hover {
    color: var(--primary-accent);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: 60px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta .btn-large {
        width: 100%;
        max-width: 300px;
    }
    
    .stake-container,
    .features-grid,
    .security-grid,
    .validator-features {
        grid-template-columns: 1fr;
    }
    
    .integrations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 40px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Smooth Scrolling */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}