:root {
    /* Colors */
    --bg-dark: #0d0d0d;
    --bg-card: #1a1a1a;
    --bg-accent: #1e1e1e;
    
    --gold-primary: #c9a84c;
    --gold-dark: #b5813f;
    --gold-glow: rgba(201, 168, 76, 0.2);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* Font Sizes (Mobile Base) */
    --fs-h1: 2.5rem;
    --fs-h2: 2rem;
    --fs-h3: 1.5rem;
    --fs-body: 1rem;
    --fs-small: 0.875rem;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --header-height: 70px;
    --section-padding: 80px 20px;
    --border-radius: 8px;
    --touch-target: 44px;
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

/* Typography Classes */
.serif-heading {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
}

.serif-card-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 400;
}

.serif-small {
    font-family: var(--font-serif);
    font-size: 1.2rem;
}

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

.text-center {
    text-align: center;
}

/* Global Buttons & Links */
a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    transition: var(--transition-smooth);
    min-height: var(--touch-target);
    min-width: var(--touch-target);
}

.gold-button {
    display: inline-block;
    padding: 1rem 2rem;
    border: 1px solid var(--gold-primary);
    color: var(--gold-primary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
}

.gold-button:hover {
    background: var(--gold-primary);
    color: var(--bg-dark);
}

.full-gold-btn {
    width: 100%;
    padding: 1.2rem;
    background: var(--gold-primary);
    color: var(--bg-dark);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 1rem;
    letter-spacing: 0.1em;
}

/* Reveal Animation Base */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Media Queries (Building Upward) */
@media (min-width: 768px) {
    :root {
        --fs-h1: 3.5rem;
        --fs-h2: 2.8rem;
        --fs-h3: 1.8rem;
        --section-padding: 120px 40px;
    }
}

@media (min-width: 1025px) {
    :root {
        --fs-h1: 5rem;
        --fs-h2: 3.5rem;
        --fs-h3: 2rem;
        --section-padding: 180px 100px;
    }

    body {
        font-size: 1.1rem;
        letter-spacing: 0.01em;
    }

    .serif-heading {
        letter-spacing: -0.02em;
        font-weight: 700;
    }

    .container {
        max-width: 1400px;
        margin: 0 auto;
    }
}