:root {
    --gold: #D4A843;
    --gold-light: #F2D06B;
    --gold-dark: #B8912E;
    --silver: #A8B2C1;
    --silver-light: #C8D0DC;
    --bg-primary: #0A0E17;
    --bg-secondary: #111827;
    --bg-card: #151C2C;
    --bg-card-hover: #1A2236;
    --bg-elevated: #1E2740;
    --border: #1E293B;
    --border-light: #2A3550;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --emerald: #34D399;
    --amber: #FBBF24;
    --rose: #FB7185;
    --violet: #A78BFA;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
    --shadow-gold: 0 8px 32px rgba(212,168,67,0.15);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
}

img { max-width: 100%; }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 23, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--border);
    background: rgba(10, 14, 23, 0.95);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.05rem;
}

.logo-text {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.nav-cta {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark)) !important;
    color: #0A0E17 !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

.hero-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212,168,67,0.3), transparent 70%);
    top: -200px;
    right: -100px;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168,178,193,0.2), transparent 70%);
    bottom: -100px;
    left: -100px;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212,168,67,0.15), transparent 70%);
    top: 50%;
    left: 40%;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px 6px 8px;
    background: rgba(212,168,67,0.1);
    border: 1px solid rgba(212,168,67,0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gold);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--gold);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gold), var(--gold-light), var(--silver-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #0A0E17;
    box-shadow: 0 4px 16px rgba(212,168,67,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(212,168,67,0.4);
}

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

.btn-secondary:hover {
    background: rgba(255,255,255,0.05);
    border-color: var(--text-muted);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(212,168,67,0.05);
}

.btn-glass {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
}

.btn-full { width: 100%; justify-content: center; }

.btn-3d {
    transform: perspective(500px) translateZ(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-3d:hover {
    transform: perspective(500px) translateZ(12px);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ===== HERO CARD (3D) ===== */
.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card {
    position: relative;
    width: 100%;
    max-width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.card-3d {
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-light);
}

.card-dots span:first-child { background: #EF4444; }
.card-dots span:nth-child(2) { background: #FBBF24; }
.card-dots span:nth-child(3) { background: #22C55E; }

.card-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.card-body {
    padding: 20px;
}

.card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.card-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.card-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-highlight .card-value {
    color: var(--gold);
}

.card-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

.card-total .card-label {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.card-total .card-value {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-pulse {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    animation: card-scan 3s ease-in-out infinite;
}

@keyframes card-scan {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce-scroll 2s ease-in-out infinite;
}

.hero-scroll a {
    color: var(--text-muted);
    transition: var(--transition);
}

.hero-scroll a:hover { color: var(--gold); }

@keyframes bounce-scroll {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== SECTION COMMON ===== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(212,168,67,0.1);
    border: 1px solid rgba(212,168,67,0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* ===== FEATURES ===== */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 16px 0 8px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
}

.feature-icon-gold {
    background: rgba(212,168,67,0.1);
    color: var(--gold);
}

.feature-icon-silver {
    background: rgba(168,178,193,0.1);
    color: var(--silver);
}

.feature-icon-emerald {
    background: rgba(52,211,153,0.1);
    color: var(--emerald);
}

.feature-icon-amber {
    background: rgba(251,191,36,0.1);
    color: var(--amber);
}

.feature-icon-rose {
    background: rgba(251,113,133,0.1);
    color: var(--rose);
}

.feature-icon-violet {
    background: rgba(167,139,250,0.1);
    color: var(--violet);
}

.card-hover {
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.card-hover:hover {
    transform: perspective(800px) rotateX(2deg) rotateY(-1deg) translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-light);
}

/* ===== HOW IT WORKS ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 64px;
}

.step-card {
    position: relative;
    text-align: center;
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, rgba(212,168,67,0.3), rgba(212,168,67,0.05));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.step-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 300px;
    margin: 0 auto;
}

.step-line {
    display: none;
}

.formula-box {
    max-width: 640px;
    margin: 0 auto;
    padding: 36px 48px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.formula-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.formula {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.formula-sm {
    opacity: 0.85;
}

.formula-sm:last-child {
    margin-bottom: 0;
    opacity: 1;
}

.formula-part {
    padding: 6px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.formula-accent {
    padding: 6px 14px;
    background: rgba(212,168,67,0.1);
    border: 1px solid rgba(212,168,67,0.3);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--gold);
}

.formula-eq {
    color: var(--text-muted);
    font-weight: 300;
}

.formula-op {
    color: var(--text-muted);
    font-weight: 300;
    font-size: 1.1rem;
}

/* ===== METALS ===== */
.metals {
    background: var(--bg-secondary);
}

.metals-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.metal-card {
    text-align: center;
    padding: 32px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.metal-purity {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.metal-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.metal-factor {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
}

.metal-gold-24 .metal-purity { color: #FFD700; }
.metal-gold-24 .metal-factor { background: rgba(255,215,0,0.1); color: #FFD700; }

.metal-gold-21 .metal-purity { color: #E8C44A; }
.metal-gold-21 .metal-factor { background: rgba(232,196,74,0.1); color: #E8C44A; }

.metal-gold-18 .metal-purity { color: #D4A843; }
.metal-gold-18 .metal-factor { background: rgba(212,168,67,0.1); color: #D4A843; }

.metal-gold-14 .metal-purity { color: #C49A38; }
.metal-gold-14 .metal-factor { background: rgba(196,154,56,0.1); color: #C49A38; }

.metal-silver .metal-purity { color: var(--silver-light); }
.metal-silver .metal-factor { background: rgba(168,178,193,0.1); color: var(--silver-light); }

/* ===== COMPARISON ===== */
.comparison {
    padding: 100px 0;
}

.comparison-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

.comparison-table thead {
    background: var(--bg-elevated);
}

.comparison-table th {
    padding: 20px 24px;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.comparison-table th:first-child {
    padding-left: 28px;
}

.comp-feature {
    width: 30%;
}

.comp-us {
    background: rgba(212,168,67,0.04);
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
}

.comp-other {
    border-right: 1px solid var(--border);
}

.comp-other:last-child {
    border-right: none;
}

.comp-badge {
    display: inline-block;
    padding: 2px 10px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #0A0E17;
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.comparison-table td {
    padding: 16px 24px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255,255,255,0.03);
    vertical-align: middle;
}

.comparison-table td:first-child {
    padding-left: 28px;
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr {
    transition: background 0.2s ease;
}

.comparison-table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

.comparison-table tbody tr:hover td:first-child {
    color: var(--gold);
}

.comp-yes {
    display: inline-block;
    padding: 3px 12px;
    background: rgba(52,211,153,0.1);
    color: var(--emerald);
    font-weight: 600;
    border-radius: 100px;
    font-size: 0.8rem;
}

.comp-no {
    color: var(--text-muted);
    opacity: 0.5;
    font-size: 0.85rem;
}

.comp-partial {
    display: inline-block;
    padding: 3px 12px;
    background: rgba(251,191,36,0.1);
    color: var(--amber);
    font-weight: 600;
    border-radius: 100px;
    font-size: 0.8rem;
}

.comp-total-row {
    background: rgba(255,255,255,0.02);
}

.comp-total-row td {
    padding-top: 20px !important;
    padding-bottom: 20px !important;
    font-weight: 700 !important;
}

.comp-price {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.comp-price-free {
    display: inline-block;
    padding: 3px 12px;
    background: rgba(52,211,153,0.1);
    color: var(--emerald);
    font-weight: 700;
    border-radius: 100px;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .comparison { padding: 72px 0; }
    .comparison-table th, .comparison-table td {
        padding: 12px 14px;
        font-size: 0.8rem;
    }
    .comp-feature { width: 35%; }
}

/* ===== PRICING ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    transition: var(--transition);
}

.pricing-card-pro {
    border-color: rgba(212,168,67,0.3);
    box-shadow: 0 0 60px rgba(212,168,67,0.08);
}

.pricing-popular {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #0A0E17;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.pricing-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
}

.price-period {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.pricing-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.pricing-features li:last-child { border-bottom: none; }

.pricing-features li.included { color: var(--text-secondary); }
.pricing-features li.excluded { color: var(--text-muted); opacity: 0.5; }
.pricing-features li.included svg { color: var(--emerald); flex-shrink: 0; }
.pricing-features li.excluded svg { color: var(--text-muted); flex-shrink: 0; }

/* ===== FAQ ===== */
.faq {
    background: var(--bg-secondary);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 24px 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition);
}

.faq-question:hover { color: var(--gold); }

.faq-chevron {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.faq-item.open .faq-chevron { transform: rotate(180deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding-bottom: 24px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== CTA ===== */
.cta {
    padding: 80px 0;
}

.cta-container {
    text-align: center;
    padding: 64px 48px;
    background: linear-gradient(135deg, rgba(212,168,67,0.08), rgba(168,178,193,0.05));
    border: 1px solid rgba(212,168,67,0.15);
    border-radius: var(--radius-xl);
}

.cta h2 {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    margin-bottom: 12px;
}

.cta p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.footer-bottom {
    width: 100%;
    text-align: center;
    padding-top: 24px;
    margin-top: 24px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }
.reveal-delay-4 { transition-delay: 0.6s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-desc { margin: 0 auto 36px; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }

    .hero-visual {
        order: -1;
    }

    .hero-card { max-width: 340px; margin: 0 auto; }

    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: 1fr; gap: 48px; }
    .metals-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    section { padding: 72px 0; }

    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px;
        gap: 4px;
    }

    .nav-toggle { display: flex; }
    .nav-links.open .nav-cta { text-align: center; margin-top: 8px; }

    .hero { padding: 100px 0 60px; }

    .features-grid { grid-template-columns: 1fr; }
    .metals-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; max-width: 420px; }

    .formula-box { padding: 24px 20px; }
    .formula { gap: 8px; }
    .formula-part, .formula-accent { font-size: 0.8rem; padding: 5px 10px; }

    .cta-container { padding: 40px 24px; }
    .footer-container { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .stat-divider { width: 40px; height: 1px; }
    .metals-grid { grid-template-columns: 1fr 1fr; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .cta-actions { flex-direction: column; }
    .cta-actions .btn { width: 100%; justify-content: center; }
}