/* =============================================
   THÈME 2: PREMIUM / ÉLITE
   Style luxueux, épuré, haut de gamme
   Noir profond, or, typographie élégante
   ============================================= */

[data-theme="premium"] {
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;

    --bg-primary: #09090b;
    --bg-secondary: #0f0f12;
    --bg-tertiary: #16161a;

    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;

    --accent: #d4a843;
    --accent-hover: #e6be5a;
    --accent-rgb: 212, 168, 67;
    --accent-dark: #b8922e;

    --btn-text: #09090b;

    --border-color: #27272a;

    --header-bg: rgba(9, 9, 11, 0.88);
    --card-bg: #111114;

    --hero-bg: linear-gradient(160deg, #09090b 0%, #14120a 40%, #09090b 100%);
    --hero-overlay: linear-gradient(160deg, rgba(9,9,11,0.9), rgba(9,9,11,0.5));

    --badge-bg: rgba(212, 168, 67, 0.06);
    --badge-border: rgba(212, 168, 67, 0.15);

    --cta-bg: linear-gradient(160deg, #0f0f12, #1a170d, #0f0f12);

    --heading-spacing: -0.02em;
    --logo-spacing: 0.15em;

    --btn-radius: 100px;
    --btn-transform: none;
    --btn-spacing: 0.02em;

    --card-radius: 16px;
}

/* Hero background image */
[data-theme="premium"] .hero-bg {
    background: url('../img/themes/premium/hero.png') center/cover no-repeat;
}
[data-theme="premium"] .hero-bg::after {
    background: linear-gradient(90deg, rgba(9,9,11,0.93) 0%, rgba(9,9,11,0.7) 50%, rgba(9,9,11,0.4) 100%);
}

/* CTA background */
[data-theme="premium"] .cta-section {
    background: url('../img/themes/premium/cta.png') center/cover no-repeat;
}
[data-theme="premium"] .cta-section::after {
    content: ''; position: absolute; inset: 0;
    background: rgba(9,9,11,0.75);
    z-index: 0;
}
[data-theme="premium"] .cta-section > .container { position: relative; z-index: 1; }

/* Section background */
[data-theme="premium"] #mission {
    background: url('../img/themes/premium/section.png') center/cover no-repeat;
    position: relative;
}
[data-theme="premium"] #mission::after {
    content: ''; position: absolute; inset: 0;
    background: rgba(9,9,11,0.88);
    z-index: 0;
}
[data-theme="premium"] #mission > .container { position: relative; z-index: 1; }

/* Subtle golden glow effects */
[data-theme="premium"] .hero-bg::before {
    content: '';
    position: absolute;
    top: 20%; left: 60%;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212,168,67,0.08) 0%, transparent 70%);
    pointer-events: none;
}

[data-theme="premium"] .hero::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

/* Elegant card styling */
[data-theme="premium"] .feature-card {
    background: linear-gradient(135deg, var(--card-bg), rgba(212,168,67,0.02));
    border-radius: 16px;
}

[data-theme="premium"] .feature-card:hover {
    box-shadow: 0 20px 60px rgba(212,168,67,0.08);
}

[data-theme="premium"] .feature-icon {
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(212,168,67,0.1), rgba(212,168,67,0.05));
}

/* Premium buttons */
[data-theme="premium"] .btn {
    font-weight: 500;
    letter-spacing: 0.03em;
}

[data-theme="premium"] .btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

[data-theme="premium"] .btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), var(--accent));
    box-shadow: 0 10px 40px rgba(var(--accent-rgb), 0.25);
}

/* Logo treatment */
[data-theme="premium"] .logo-icon {
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

[data-theme="premium"] .logo-text {
    font-family: 'Oswald', sans-serif;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-size: 1.1rem;
}

/* Section dividers */
[data-theme="premium"] .section-dark::before {
    content: '';
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 120px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

/* Pricing cards */
[data-theme="premium"] .pricing-card {
    background: linear-gradient(180deg, var(--card-bg), rgba(212,168,67,0.02));
}

[data-theme="premium"] .pricing-card.popular {
    background: linear-gradient(180deg, var(--card-bg), rgba(212,168,67,0.06));
    border-color: var(--accent);
    box-shadow: 0 0 60px rgba(212,168,67,0.08);
}

[data-theme="premium"] .pricing-card.popular::before {
    background: linear-gradient(90deg, var(--accent-dark), var(--accent));
    border-radius: 0 0 100px 100px;
}

/* Team cards */
[data-theme="premium"] .team-card {
    border-radius: 16px;
}

[data-theme="premium"] .team-photo::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(212,168,67,0.1));
    z-index: 1;
}

/* Dashboard */
[data-theme="premium"] .dashboard-welcome {
    background: linear-gradient(135deg, var(--card-bg), rgba(212,168,67,0.03));
    border-radius: 20px;
}

[data-theme="premium"] .dashboard-welcome::before {
    background: linear-gradient(90deg, var(--accent), transparent);
    height: 2px;
    border-radius: 2px;
}

[data-theme="premium"] .program-card {
    border-radius: 16px;
}

[data-theme="premium"] .program-card:hover {
    box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 30px rgba(212,168,67,0.06);
}

/* Auth */
[data-theme="premium"] .auth-card {
    border-radius: 20px;
    background: linear-gradient(180deg, var(--card-bg), rgba(212,168,67,0.02));
}

[data-theme="premium"] .form-input {
    border-radius: 12px;
}

/* CTA golden glow */
[data-theme="premium"] .cta-section::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212,168,67,0.06) 0%, transparent 70%);
    pointer-events: none;
}

/* Stats with golden accents */
[data-theme="premium"] .stat-number {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Filter buttons */
[data-theme="premium"] .filter-btn {
    border-radius: 100px;
}

[data-theme="premium"] .filter-btn:hover,
[data-theme="premium"] .filter-btn.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

[data-theme="premium"] .sidebar-card {
    border-radius: 16px;
}

/* Smooth decorative lines */
[data-theme="premium"] .hero h1 {
    font-weight: 600;
    letter-spacing: -0.02em;
}