/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color System */
    --gold-primary: #D4AF37;
    --gold-light: #FAD961;
    --gold-dark: #B58E2A;
    --neutral-1000: #000000;
    --neutral-900: #141414;
    --neutral-800: #222222;
    --neutral-100: #F5F5F5;
    --neutral-300: #A3A3A3;
    --semantic-error: #F43F5E;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
    --space-4xl: 128px;
    
    /* Transitions */
    --transition-smooth: 300ms cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-ease: 400ms ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--neutral-1000);
    color: var(--neutral-100);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--neutral-100);
}

h1 {
    font-size: 72px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 48px;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

h4 {
    font-size: 20px;
    font-weight: 600;
}

p {
    font-size: 18px;
    color: var(--neutral-300);
}

.subtitle {
    font-size: 20px;
    color: var(--neutral-300);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--neutral-800);
}

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

.logo-img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--neutral-300);
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    transition: var(--transition-ease);
    padding: var(--space-xs) var(--space-sm);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--neutral-100);
    margin: 3px 0;
    transition: var(--transition-ease);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-xl) var(--space-xl);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    height: 56px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--gold-primary);
    color: var(--neutral-1000);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--gold-light);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary {
    background: transparent;
    color: var(--neutral-100);
    border: 2px solid var(--neutral-300);
}

.btn-secondary:hover {
    border-color: var(--gold-primary);
    color: var(--gold-primary);
}

/* Hero Section */
.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--neutral-1000) 0%, var(--neutral-900) 100%);
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--neutral-100) 0%, var(--gold-light) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: var(--space-2xl);
    max-width: 60ch;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: var(--space-3xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-2xl);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--gold-primary);
    margin: var(--space-md) auto 0;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.service-item {
    background: var(--neutral-900);
    padding: var(--space-lg);
    border: 1px solid var(--neutral-800);
    border-radius: 4px;
    transition: var(--transition-ease);
}

.service-item:hover {
    border-color: var(--gold-primary);
}

.service-item h3 {
    color: var(--gold-primary);
    margin-bottom: var(--space-sm);
}

.service-item p {
    font-size: 16px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.feature-item {
    text-align: center;
    padding: var(--space-lg);
}

.feature-item h3 {
    color: var(--gold-primary);
    margin-bottom: var(--space-sm);
}

/* CTA Strip */
.cta-strip {
    background: var(--neutral-900);
    padding: var(--space-2xl) 0;
    text-align: center;
}

.cta-content h2 {
    margin-bottom: var(--space-md);
}

.cta-content p {
    margin-bottom: var(--space-lg);
    font-size: 18px;
}

/* Gallery Styles */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    border: none;
    color: var(--neutral-300);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-ease);
    border-radius: 4px;
}

.filter-btn.active {
    background: var(--neutral-900);
    color: var(--gold-primary);
    border-bottom: 2px solid var(--gold-primary);
}

.filter-btn:hover {
    color: var(--gold-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    aspect-ratio: 4/3;
    background: var(--neutral-900);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--neutral-100);
    padding: var(--space-lg);
    transform: translateY(100%);
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

/* Service Cards */
.service-card {
    background: var(--neutral-900);
    border: 1px solid var(--neutral-800);
    border-radius: 4px;
    padding: var(--space-lg);
    transition: var(--transition-ease);
    margin-bottom: var(--space-lg);
}

.service-card:hover {
    border-color: var(--gold-primary);
}

.service-card h3 {
    color: var(--gold-primary);
    margin-bottom: var(--space-sm);
}

.service-price {
    font-size: 20px;
    font-weight: 600;
    color: var(--gold-primary);
    margin-bottom: var(--space-sm);
}

.service-description {
    margin-bottom: var(--space-lg);
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: var(--space-xs) 0;
    color: var(--neutral-300);
    position: relative;
    padding-left: var(--space-md);
}

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

/* Form Styles */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--neutral-100);
    font-weight: 600;
    font-size: 16px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-md) var(--space-md);
    background: var(--neutral-900);
    border: 2px solid var(--neutral-800);
    border-radius: 4px;
    color: var(--neutral-100);
    font-family: var(--font-body);
    font-size: 16px;
    transition: var(--transition-smooth);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.4);
}

.form-textarea {
    height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

/* Payment Section */
.payment-section {
    background: var(--neutral-900);
    padding: var(--space-xl);
    border-radius: 4px;
    margin: var(--space-xl) 0;
    border: 1px solid var(--neutral-800);
}

.deposit-info {
    background: rgba(212, 175, 55, 0.1);
    padding: var(--space-md);
    border-radius: 4px;
    margin: var(--space-lg) 0;
    border-left: 4px solid var(--gold-primary);
}

/* Footer */
.footer {
    background: var(--neutral-900);
    padding: var(--space-2xl) 0 var(--space-lg);
    border-top: 1px solid var(--neutral-800);
    margin-top: var(--space-4xl);
}

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

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--space-md);
}

.footer-section h4 {
    color: var(--gold-primary);
    margin-bottom: var(--space-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--space-xs);
}

.footer-section a {
    color: var(--neutral-300);
    text-decoration: none;
    transition: var(--transition-ease);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--neutral-800);
    color: var(--neutral-300);
}

/* Confirmation Page */
.confirmation {
    text-align: center;
    padding: var(--space-4xl) 0;
}

.confirmation-icon {
    width: 80px;
    height: 80px;
    background: var(--gold-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    font-size: 32px;
    color: var(--neutral-1000);
}

.confirmation h1 {
    color: var(--gold-primary);
    margin-bottom: var(--space-md);
}

.confirmation-details {
    background: var(--neutral-900);
    padding: var(--space-xl);
    border-radius: 4px;
    margin: var(--space-xl) 0;
    text-align: left;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hidden {
    display: none;
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}