/* =========================================
   Private - Design System & Styles
   ========================================= */

   :root {
    /* Color Palette - Sovereign Basalt & Copper */
    --bg-deep: #050505;
    --bg-basalt: #121214;
    --bg-surface: #1a1a1d;
    --text-primary: #f0f0f0;
    --text-secondary: #9a9a9f;
    --accent-copper: #b87333;
    --accent-gold: #d4af37;
    --glass-bg: rgba(25, 25, 28, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);
    
    /* Typography */
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    /* Animation */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography Utilities */
h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 400;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent-gold);
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.subtitle-wide {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    font-weight: 300;
}

.accent-gold {
    color: var(--accent-gold);
    display: inline-block;
}

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-4 { margin-top: 3rem; }
.w-100 { width: 100%; }

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 900px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Glassmorphism Navigation */
.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.glass-nav.scrolled {
    background: rgba(18, 18, 20, 0.85);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
}

.logo {
    font-family: var(--font-sans);
    font-weight: 600;
    letter-spacing: 0.2em;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

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

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--text-primary);
    color: var(--bg-deep) !important;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.15);
}

.btn-outline {
    display: inline-block;
    background: transparent;
    color: var(--text-primary);
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at center, var(--bg-basalt) 0%, var(--bg-deep) 100%);
    overflow: hidden;
}

/* Simulated architectural light beam */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 20%;
    width: 60%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.03), transparent);
    transform: rotate(15deg);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 30px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.6;
}

.scroll-indicator span {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-indicator .line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-primary), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Sections */
.section-dark {
    padding: 8rem 0;
    background-color: var(--bg-deep);
}

.section-ambient {
    padding: 8rem 0;
    background-color: var(--bg-basalt);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

/* Glass Cards */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.feature-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Stat Cards */
.stat-card {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg-surface);
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.stat-card:hover {
    border-color: var(--accent-copper);
}

.stat-value {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    text-transform: uppercase;
    font-size: 0.85rem;
}

/* Forms */
.contact-box {
    max-width: 500px;
    text-align: left;
}

.form-group {
    margin-bottom: 1.5rem;
}

input, select {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: var(--transition-smooth);
    appearance: none;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: rgba(0, 0, 0, 0.5);
}

/* Footer */
footer {
    background: var(--bg-deep);
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.footer-links {
    display: flex;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.8rem;
    opacity: 0.5;
}

/* Animations */
.reveal-on-load {
    opacity: 0;
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.2s;
}

.reveal-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scroll.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}