/* 
   RGR Global Style System 
   Aesthetics: Luxury, Professional, Premium
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --gold-primary: #D4AF37;
    --gold-light: #F9E79F;
    --gold-dark: #9A7D0A;
    --gold-gradient: linear-gradient(135deg, #FFD700 0%, #B8860B 50%, #8B4513 100%);
    --gold-soft-gradient: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%);
    
    --bg-black: #0A0A0A;
    --bg-dark-gray: #121212;
    --bg-card: #1C1C1C;
    --bg-accent: #2A2A2A;
    
    --text-white: #FFFFFF;
    --text-gray: #A0A0A0;
    --text-gold: #D4AF37;
    
    --white-soft: rgba(255, 255, 255, 0.9);
    --gold-soft: rgba(212, 175, 55, 0.2);
    --border-gold: rgba(212, 175, 55, 0.3);
    
    --glass-bg: rgba(28, 28, 28, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-black);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .outfit {
    font-family: 'Outfit', sans-serif;
    letter-spacing: 0.5px;
}

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

ul {
    list-style: none;
}

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

/* Buttons */
.btn {
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--gold-gradient);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--gold-primary);
    color: var(--gold-primary);
}

.btn-secondary:hover {
    background: var(--gold-primary);
    color: #000;
}

/* Navbar */
.navbar {
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4rem;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gold-primary);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

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

.nav-links a.active {
    color: var(--gold-primary);
    border-bottom: 2px solid var(--gold-primary);
}

/* Section Common */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title p {
    color: var(--text-gray);
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('/assets/images/hero_gold.webp');
    background-size: cover;
    background-position: center;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
}

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

/* Cards (Glassmorphism) */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-5px);
}

/* Footer */
footer {
    background: var(--bg-dark-gray);
    padding: 60px 0 20px;
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold-primary);
    margin-bottom: 1.5rem;
}

.footer-desc {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.footer-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: #fff;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
    color: var(--text-gray);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    color: #555;
    font-size: 0.9rem;
}

/* Utilities */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* =============================================
   HAMBURGER MENU
============================================= */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
    z-index: 1100;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--gold-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1050;
    padding: 100px 2rem 3rem;
    gap: 0;
    overflow-y: auto;
    border-bottom: 1px solid var(--border-gold);
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
    display: block;
    padding: 1.1rem 0;
    font-size: 1.2rem;
    font-weight: 500;
    color: #ccc;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    transition: color 0.2s;
}

.mobile-nav a:hover,
.mobile-nav a.active { color: var(--gold-primary); }

.mobile-nav .btn {
    margin-top: 2rem;
    width: 100%;
    text-align: center;
}

/* =============================================
   GLOBAL RESPONSIVE
============================================= */
@media (max-width: 900px) {
    .container { padding: 0 1.5rem; }

    .navbar {
        padding: 0 1.5rem;
        height: 70px;
    }

    .nav-logo { font-size: 1.2rem; letter-spacing: 1px; }
    .nav-links { display: none; }
    .nav-actions { display: none; }
    .hamburger { display: flex; }

    .hero h1 { font-size: 2.4rem; }

    .section-title h2 { font-size: 1.9rem; }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 600px) {
    .navbar { padding: 0 1rem; }
    .nav-logo { font-size: 1rem; }

    section { padding: 50px 0; }

    .btn { padding: 0.7rem 1.4rem; font-size: 0.9rem; }

    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}