/* ==========================================================================
   TEKNI-PLI V2 - PREMIUM DARK & GOLD THEME
   ========================================================================== */

:root {
    /* Colors - Premium Dark Theme */
    --bg-base: #0B1120; /* Deep slate/blue */
    --bg-surface: rgba(255, 255, 255, 0.03);
    --bg-surface-hover: rgba(255, 255, 255, 0.06);
    --bg-surface-solid: #151E32;
    
    --primary: #D4AF37; /* Classic Gold */
    --primary-hover: #F3E5AB; /* Light Gold */
    --primary-glow: rgba(212, 175, 55, 0.15);
    
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(212, 175, 55, 0.3);
    
    /* Typography */
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    
    /* Effects */
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px var(--primary-glow);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-hover); }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
}

.text-gold { color: var(--primary); }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #D4AF37 0%, #AA8C2C 100%);
    color: #000 !important;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
    color: #000 !important;
}

.btn-outline {
    background: transparent;
    border-color: var(--border-highlight);
    color: var(--primary) !important;
}

.btn-outline:hover {
    background: var(--primary-glow);
    border-color: var(--primary);
}

/* --- Header (Glassmorphism) --- */
.main-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 80px;
    z-index: 1000;
    background: rgba(11, 17, 32, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 1px;
}

.logo-icon {
    color: var(--primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: var(--bg-surface);
}

.nav-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-main) !important;
    border-radius: 50px;
    padding: 8px 20px;
}

.nav-btn:hover {
    border-color: var(--primary);
    background: var(--primary-glow);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

/* Background Glow Effects */
.hero::before {
    content: '';
    position: absolute;
    top: -10%; left: -10%;
    width: 50vw; height: 50vw;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%; right: -10%;
    width: 40vw; height: 40vw;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-highlight);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 24px;
}

.hero h1 span {
    background: linear-gradient(135deg, #D4AF37 0%, #F3E5AB 50%, #AA8C2C 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* --- Cards (Glassmorphism) --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--border-highlight);
    box-shadow: var(--shadow-glow);
    background: var(--bg-surface-hover);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-glow);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 24px;
}

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --- Sections --- */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-label {
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* --- Stats --- */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    background: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 50px;
    text-align: center;
}

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

.stat-label {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
}

/* --- Footer --- */
.main-footer {
    background: #070B14;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: var(--text-main);
    margin-bottom: 24px;
    font-size: 1.1rem;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul a {
    color: var(--text-muted);
}

.footer-col ul a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- Responsive --- */
@media (max-width: 968px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero-text { margin: 0 auto 40px; }
    .hero-actions { justify-content: center; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .hero h1 { font-size: 2.5rem; }
    .stats-bar { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
}