:root {
    --bg: #0B0B0B;
    --card-bg: #161616;
    --gold: #D4AF37;
    --text: #F5F5F7;
    --muted: #A0A0A5;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font-family: var(--font-body); line-height: 1.6; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.header { padding: 20px 0; border-bottom: 1px solid #222; position: relative; }
.nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-heading); font-size: clamp(1.2rem, 4vw, 1.5rem); letter-spacing: 2px; }
.nav-links { display: flex; list-style: none; gap: 30px; }
.nav-links a { color: var(--text); text-decoration: none; font-size: 0.9rem; transition: color 0.3s; }
.nav-links a:hover { color: var(--gold); }
.btn-gold { 
    background: var(--gold); color: #000; padding: 10px 25px; text-decoration: none; font-weight: 600; 
    border-radius: 2px; transition: all 0.3s ease; border: 1px solid var(--gold);
}
.btn-gold:hover { background: transparent; color: var(--gold); box-shadow: 0 0 15px rgba(212, 175, 55, 0.4); }

/* Mobile Toggle */
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 10px; }
.hamburger { display: block; width: 25px; height: 2px; background: var(--text); position: relative; }
.hamburger::before, .hamburger::after { content: ''; position: absolute; width: 25px; height: 2px; background: var(--text); left: 0; }
.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* Hero */
.hero { padding: clamp(60px, 10vh, 150px) 0; text-align: center; }
.hero h1 { font-family: var(--font-heading); font-size: clamp(2.5rem, 8vw, 4.5rem); margin-bottom: 20px; line-height: 1.1; }
.hero p { font-size: clamp(1rem, 2vw, 1.2rem); max-width: 600px; margin: 0 auto; color: var(--muted); }
.btn-gold-large { 
    display: inline-block; background: var(--gold); color: #000; padding: 18px 45px; margin-top: 40px; 
    text-decoration: none; font-weight: 600; transition: all 0.3s ease; border: 1px solid var(--gold);
}
.btn-gold-large:hover { background: transparent; color: var(--gold); box-shadow: 0 0 20px rgba(212, 175, 55, 0.3); }

/* Safety Paradox */
.safety-paradox { padding: 80px 0; }
.safety-paradox h2 { font-family: var(--font-heading); font-size: clamp(2rem, 5vw, 3rem); text-align: center; margin-bottom: 50px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--card-bg); padding: 40px; border: 1px solid #333; transition: transform 0.3s; }
.card:hover { transform: translateY(-10px); border-color: #444; }
.card.highlight { border-color: var(--gold); }

/* Matcher */
.matcher { padding: 80px 0; }
.matcher h2 { font-family: var(--font-heading); font-size: clamp(2rem, 5vw, 3rem); text-align: center; margin-bottom: 50px; }
.matcher-ui { display: flex; flex-direction: column; align-items: center; gap: 40px; }
.preview-card { 
    width: 100%; max-width: 600px; height: 350px; background: #1a1a1a; 
    display: flex; flex-direction: column; align-items: center; justify-content: center; 
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1); border: 1px solid #333;
}
.bed-visual { width: 250px; height: 180px; border: 4px solid var(--gold); transition: background-color 0.5s ease; margin-bottom: 20px; }
.controls { display: flex; gap: 15px; flex-wrap: wrap; justify-content: center; }
.controls button { 
    background: #1a1a1a; color: var(--text); border: 1px solid #444; padding: 12px 24px; 
    cursor: pointer; transition: all 0.3s; font-family: var(--font-body);
}
.controls button:hover, .controls button.active { border-color: var(--gold); color: var(--gold); }

/* Responsive */
@media (max-width: 768px) {
    .nav-links { 
        display: none; position: absolute; top: 100%; left: 0; width: 100%; 
        background: var(--bg); flex-direction: column; padding: 20px; border-bottom: 1px solid #333;
    }
    .nav-links.active { display: flex; }
    .mobile-toggle { display: block; }
}