/*
 * Symphony Digital Assets (symphonyda.io)
 * Design System & Custom Stylesheet
 */

:root {
    --bg-dark: #050814;
    --bg-dark-card: #0e1628;
    --bg-card-hover: #141f36;
    
    --blue-primary: #0066ff;
    --blue-accent: #2563eb;
    --cyan-accent: #00f0ff;
    --cyan-glow: rgba(0, 240, 255, 0.25);
    --emerald-accent: #10b981;
    
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: #1a2744;
    --border-glow: rgba(0, 240, 255, 0.35);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'DM Sans', sans-serif;

    --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: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* Top Banner */
.top-announcement-banner {
    background: #0b1120;
    border-bottom: 1px solid var(--border-color);
    padding: 0.55rem 1rem;
    font-size: 0.85rem;
    text-align: center;
    color: var(--text-secondary);
}

.top-announcement-banner .badge-phillip {
    background: rgba(0, 102, 255, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(0, 102, 255, 0.3);
    padding: 0.15rem 0.55rem;
    border-radius: 4px;
    font-weight: 700;
    margin-right: 0.5rem;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}

/* Navbar */
.navbar {
    background-color: rgba(5, 8, 20, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: #ffffff !important;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.navbar-brand .logo-symbol {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--blue-primary) 0%, var(--cyan-accent) 100%);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 900;
    font-size: 1rem;
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.4);
}

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

/* Buttons */
.btn-symphony-primary {
    background: linear-gradient(135deg, var(--blue-primary) 0%, #1d4ed8 100%);
    color: #ffffff !important;
    font-weight: 600;
    padding: 0.7rem 1.6rem;
    border-radius: var(--radius-sm);
    border: none;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.3);
}

.btn-symphony-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
    transform: translateY(-1px);
}

.btn-symphony-outline {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-primary) !important;
    font-weight: 600;
    padding: 0.7rem 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-symphony-outline:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--cyan-accent);
    color: var(--cyan-accent) !important;
}

/* Hero Section */
.hero-section {
    padding: 5.5rem 0 4.5rem;
    position: relative;
    background: radial-gradient(circle at 50% 20%, rgba(0, 102, 255, 0.15) 0%, transparent 65%);
}

.hero-section h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4.25rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: #ffffff;
}

.hero-section p.hero-lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 680px;
}

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

.stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 240, 255, 0.08);
    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 General */
.section-padding {
    padding: 6rem 0;
}

.section-tag {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--cyan-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 0.75rem;
}

/* Feature Cards */
.symphony-card {
    background: var(--bg-dark-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;
}

.symphony-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.12);
    transform: translateY(-4px);
}

.symphony-card .card-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 102, 255, 0.12);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan-accent);
    font-size: 1.35rem;
    margin-bottom: 1.5rem;
}

.symphony-card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.symphony-card p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    margin: 0;
}

/* Metric Display */
.metric-box {
    background: var(--bg-dark-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
}

.metric-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 0.5rem;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, #0b1120 0%, #002244 100%);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 4rem 3rem;
}

/* Footer */
footer {
    background-color: #03050c;
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

footer h5 {
    color: #ffffff;
    font-size: 0.95rem;
    font-family: var(--font-heading);
    margin-bottom: 1.25rem;
}

footer a {
    color: var(--text-secondary);
    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;
}