@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-dark: #0a0b10;
    --bg-card: rgba(22, 24, 37, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --primary: #ff4d4d; /* Bright Coral */
    --secondary: #00e5cc; /* Bright Cyan */
    --accent: #ffb020; /* Zcoin Gold */
    
    --text-primary: #f8f9fa;
    --text-secondary: #8c9bb4;
    --text-muted: #5a6480;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    --gradient-hero: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-zcoin: linear-gradient(135deg, var(--accent) 0%, #ff6b00 100%);
    --gradient-bg: radial-gradient(circle at 50% 0%, #1a1e36 0%, var(--bg-dark) 70%);
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

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

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

/* Glassmorphism utility */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: var(--transition-smooth);
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
    position: relative;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 14px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background: var(--gradient-hero);
    color: #000;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(255, 77, 77, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(255, 77, 77, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Header & Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 11, 16, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
}

.logo span {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 8px var(--primary));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding-top: 180px;
    padding-bottom: 100px;
    text-align: center;
}

.hero-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 77, 77, 0.1);
    border: 1px solid rgba(255, 77, 77, 0.2);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    font-weight: 800;
}

.hero p.lead {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 40px;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-visual {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.hero-visual img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.6), 0 0 100px rgba(0, 229, 204, 0.05);
}

.hero-visual::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 110%;
    background: radial-gradient(circle, rgba(0, 229, 204, 0.06) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    pointer-events: none;
}

/* Feature/Grid Styling */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 40px 30px;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
    display: inline-block;
    filter: drop-shadow(0 0 12px var(--primary));
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

/* Split layout sections (e.g. Solution modules) */
.split-section {
    display: flex;
    align-items: center;
    gap: 60px;
}

.split-left, .split-right {
    flex: 1;
}

.split-section.reverse {
    flex-direction: row-reverse;
}

.split-section h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.split-section p {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.badge-list {
    list-style: none;
}

.badge-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.badge-icon {
    color: var(--secondary);
    font-size: 1.25rem;
}

/* Metrics Section */
.metrics-section {
    background: rgba(10, 11, 16, 0.5);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 80px 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.metric-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 10px;
}

.metric-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Zcoin showcase specific */
.zcoin-card {
    background: linear-gradient(135deg, rgba(255, 176, 32, 0.08) 0%, rgba(22, 24, 37, 0.6) 100%);
    border: 1px solid rgba(255, 176, 32, 0.15);
}

.zcoin-card:hover {
    border-color: rgba(255, 176, 32, 0.35);
}

/* Timeline/Roadmap */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 40px;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    padding-left: 90px;
    margin-bottom: 60px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    top: 5px;
    left: 26px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(0, 229, 204, 0.3);
    z-index: 1;
}

.timeline-item:nth-child(even) .timeline-dot {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(255, 77, 77, 0.3);
}

.timeline-content {
    padding: 30px;
}

.timeline-year {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

/* Contact Footer Section */
.footer-cta {
    text-align: center;
    background: radial-gradient(circle at 50% 100%, #1a1e36 0%, var(--bg-dark) 60%);
    border-top: 1px solid var(--border-color);
    padding: 120px 0 60px;
}

.footer-cta h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.footer-cta p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.contact-card {
    display: inline-grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: left;
    max-width: 800px;
    width: 100%;
    padding: 40px;
    margin-top: 60px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-item span.label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.contact-item a, .contact-item span.value {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.contact-item a:hover {
    color: var(--secondary);
}

.footer-bottom {
    margin-top: 80px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.float-img {
    animation: float 6s ease-in-out infinite;
}

/* Responsive design */
@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero h1 {
        font-size: 3.2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* simple mobile fallback, or dynamic in JS */
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .split-section {
        flex-direction: column;
        gap: 40px;
    }
    
    .split-section.reverse {
        flex-direction: column;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-card {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 30px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-dot {
        left: 6px;
    }
}