/*
 * AGI3 — Intelligent Finance Onchain
 * Stylesheet & Design System
 */

:root {
    --primary-navy: #002e52;
    --primary-navy-dark: #001f38;
    --primary-navy-light: #003c63;
    
    --cyan-accent: #06b6d2;
    --cyan-glow: rgba(6, 182, 210, 0.25);
    
    --bg-light: #f4faff;
    --bg-card: #ffffff;
    --bg-dark-card: #0f172a;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-light: #f8fafc;
    
    --border-color: #d9e5ef;
    --border-subtle: #e2e8f0;
    --border-glow: rgba(6, 182, 210, 0.4);

    --shadow-sm: 0 1px 3px rgba(0, 46, 82, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 46, 82, 0.08);
    --shadow-lg: 0 12px 28px rgba(0, 46, 82, 0.12);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --transition-fast: all 0.2s ease;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-light);
}
::-webkit-scrollbar-thumb {
    background: #bfd1df;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-navy-light);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'DM Sans', sans-serif;
    color: var(--primary-navy);
    font-weight: 700;
    line-height: 1.25;
    margin-top: 0;
}

p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.text-cyan {
    color: var(--cyan-accent) !important;
}

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

/* Header & Navbar */
.navbar {
    background-color: rgba(244, 250, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-navy) !important;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand .brand-logo-icon {
    width: 28px;
    height: 28px;
    background: var(--primary-navy);
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan-accent);
    font-weight: 900;
    font-size: 0.85rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary) !important;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-navy) !important;
}

/* Buttons */
.btn-navy {
    background-color: var(--primary-navy);
    color: #ffffff !important;
    font-weight: 600;
    padding: 0.75rem 1.6rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary-navy);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-navy:hover {
    background-color: var(--primary-navy-light);
    border-color: var(--primary-navy-light);
    box-shadow: 0 4px 14px rgba(0, 46, 82, 0.25);
    transform: translateY(-1px);
}

.btn-outline-navy {
    background-color: transparent;
    color: var(--primary-navy) !important;
    font-weight: 600;
    padding: 0.75rem 1.6rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-outline-navy:hover {
    background-color: #ffffff;
    border-color: var(--primary-navy);
    color: var(--primary-navy) !important;
    box-shadow: var(--shadow-sm);
}

/* Hero Section */
.hero-section {
    padding: 5rem 0 4rem;
    background: radial-gradient(89% 194% at 11.7% 0%, #002e52 0%, #001f38 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.hero-section h1 {
    color: #ffffff;
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.hero-section p {
    color: #cbd5e1;
    font-size: 1.25rem;
    font-weight: 400;
}

.stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(6, 182, 210, 0.1);
    border: 1px solid var(--border-glow);
    color: var(--cyan-accent);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

/* Section Containers */
.section-padding {
    padding: 5rem 0;
}

.card-agi {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    transition: var(--transition-smooth);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card-agi:hover {
    border-color: var(--cyan-accent);
    box-shadow: 0 12px 32px rgba(6, 182, 210, 0.12);
    transform: translateY(-4px);
}

.card-agi .icon-wrapper {
    width: 48px;
    height: 48px;
    background: rgba(0, 46, 82, 0.05);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-navy);
    font-size: 1.35rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-fast);
}

.card-agi:hover .icon-wrapper {
    background: var(--primary-navy);
    color: var(--cyan-accent);
}

/* Feature Badge */
.feature-badge {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cyan-accent);
    margin-bottom: 0.5rem;
    display: block;
}

/* Metric Display Card */
.metric-card {
    background: var(--primary-navy);
    color: #ffffff;
    border-radius: var(--radius-md);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.metric-card h3 {
    color: #ffffff;
    font-size: 2.5rem;
    margin-bottom: 0.25rem;
}

.metric-card p {
    color: #94a3b8;
    margin: 0;
    font-size: 0.95rem;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 4rem 3rem;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.cta-banner h2 {
    color: #ffffff;
}

/* Footer */
footer {
    background-color: var(--primary-navy-dark);
    color: #94a3b8;
    padding: 4rem 0 2rem;
    font-size: 0.95rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer h5 {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

footer a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition-fast);
}

footer a:hover {
    color: var(--cyan-accent);
}

footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 2rem;
    margin-top: 3rem;
}