:root {
    --gold-dark: #B8860B;
    --gold-primary: #DAA520;
    --gold-light: #FFD700;
    --gold-accent: #FFA500;
    --silver: #C0C0C0;
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #151515;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #707070;
    --border: #2a2a2a;
    --shadow: rgba(218, 165, 32, 0.1);
    --shadow-lg: rgba(218, 165, 32, 0.2);
}

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

body {
    font-family: 'Crimson Pro', serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

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

/* Breadcrumb Navigation */
.breadcrumb {
    background: var(--bg-secondary);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    margin-top: 70px;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
    color: var(--gold-light);
}

.breadcrumb-item.active {
    color: var(--gold-light);
}

.breadcrumb-item:not(:last-child)::after {
    content: '›';
    margin-left: 0.5rem;
    color: var(--text-muted);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--gold-light);
    font-size: 2rem;
    filter: drop-shadow(0 0 10px var(--gold-primary));
}

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

.logo-accent {
    font-weight: 400;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-primary);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--gold-light);
}

.nav-link:hover::after {
    width: 100%;
}

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

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--gold-light);
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 999;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-menu.active {
    max-height: 400px;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
}

.mobile-nav-link {
    padding: 1rem 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.mobile-nav-link:hover {
    color: var(--gold-light);
    background: rgba(218, 165, 32, 0.05);
    border-left-color: var(--gold-primary);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 150px 0 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(218, 165, 32, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, transparent 0%, rgba(218, 165, 32, 0.05) 100%);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 100px,
            rgba(218, 165, 32, 0.02) 100px,
            rgba(218, 165, 32, 0.02) 200px
        );
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(218, 165, 32, 0.1);
    border: 1px solid var(--gold-dark);
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold-light);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.hero-city {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.5s backwards;
}

.city-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.city-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.city-select {
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 200px;
}

.city-select:hover,
.city-select:focus {
    border-color: var(--gold-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(218, 165, 32, 0.1);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.7s backwards;
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
    color: var(--bg-primary);
    box-shadow: 0 4px 15px var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--gold-light);
    border: 2px solid var(--gold-primary);
}

.btn-secondary:hover {
    background: rgba(218, 165, 32, 0.1);
    transform: translateY(-2px);
}

.btn.full-width {
    width: 100%;
}

/* Rates Section */
.rates-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

/* Ad Container */
.ad-container {
    padding: 40px 0;
    background: var(--bg-primary);
    text-align: center;
}

.ad-container .container {
    max-width: 970px;
}

.section-header {
    margin-bottom: 3rem;
    text-align: center;
}

.section-header.centered {
    text-align: center;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.last-updated {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(218, 165, 32, 0.1);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

.rates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.rate-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.rate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gold-primary), var(--gold-light));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.rate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px var(--shadow-lg);
    border-color: var(--gold-dark);
}

.rate-card:hover::before {
    opacity: 1;
}

.rate-card.silver::before {
    background: linear-gradient(90deg, #C0C0C0, #E8E8E8);
}

.rate-header {
    margin-bottom: 2rem;
    text-align: center;
}

.rate-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
    color: var(--bg-primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px var(--shadow);
}

.rate-card.silver .rate-icon {
    background: linear-gradient(135deg, #C0C0C0, #A8A8A8);
}

.rate-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.rate-purity {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.rate-prices {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.price-item:hover {
    background: rgba(218, 165, 32, 0.05);
}

.price-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

.price-value {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gold-light);
}

/* Rate Table */
.rate-table-container {
    margin-top: 4rem;
}

.table-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.table-responsive {
    overflow-x: auto;
}

.rate-table {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.rate-table thead {
    background: linear-gradient(135deg, var(--gold-dark), var(--gold-primary));
}

.rate-table th {
    padding: 1.5rem 1rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--bg-primary);
    text-align: left;
}

.rate-table td {
    padding: 1.5rem 1rem;
    border-top: 1px solid var(--border);
    font-size: 1rem;
}

.rate-table tbody tr {
    transition: background 0.3s ease;
}

.rate-table tbody tr:hover {
    background: rgba(218, 165, 32, 0.05);
}

.loading-cell {
    text-align: center;
    color: var(--text-muted);
}

/* Calculator Section */
.calculator-section {
    padding: 80px 0;
}

.calculator-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.calculator-inputs {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.calc-input {
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.calc-input:hover,
.calc-input:focus {
    border-color: var(--gold-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(218, 165, 32, 0.1);
}

.calculator-result {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(218, 165, 32, 0.1), rgba(184, 134, 11, 0.1));
    border-radius: 16px;
    border: 1px solid var(--gold-dark);
}

.result-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.result-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.result-value {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.result-breakdown {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Investment Section */
.investment-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.investment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.investment-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.investment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px var(--shadow-lg);
    border-color: var(--gold-dark);
}

.investment-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.investment-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gold-light);
}

.investment-card p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.investment-card strong {
    color: var(--text-primary);
}

.investment-tips {
    list-style: none;
    padding: 0;
}

.investment-tips li {
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    position: relative;
    color: var(--text-secondary);
}

.investment-tips li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--gold-primary);
    font-weight: bold;
}

/* FAQs Section */
.faqs-section {
    padding: 80px 0;
}

.faqs-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--gold-dark);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.faq-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Newsletter Section */
.newsletter-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(218, 165, 32, 0.1), rgba(184, 134, 11, 0.05));
}

.newsletter-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 2px solid var(--gold-dark);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
}

.newsletter-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.newsletter-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
}

.newsletter-input:focus {
    border-color: var(--gold-primary);
    outline: none;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--gold-primary);
    color: var(--bg-primary);
    border-color: var(--gold-primary);
    transform: translateY(-2px);
}

.footer-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gold-light);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--gold-light);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.disclaimer {
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .city-selector {
        flex-direction: column;
        align-items: stretch;
    }

    .city-select {
        width: 100%;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .section-title {
        font-size: 2rem;
    }

    .rates-grid {
        grid-template-columns: 1fr;
    }

    .calculator-card {
        padding: 2rem 1.5rem;
    }

    .result-value {
        font-size: 2.5rem;
    }

    .investment-grid {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }

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

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .rate-card {
        padding: 1.5rem;
    }

    .calculator-card {
        padding: 1.5rem;
    }

    .calculator-result {
        padding: 2rem 1rem;
    }

    .result-value {
        font-size: 2rem;
    }

    .investment-card {
        padding: 1.5rem;
    }
}

/* Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.loading {
    background: linear-gradient(
        to right,
        var(--bg-card) 0%,
        rgba(218, 165, 32, 0.1) 20%,
        var(--bg-card) 40%,
        var(--bg-card) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s linear infinite;
}