:root {
    --bg-color: #0a0a0a;
    --surface-color: #141414;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --accent-gold: #d4af37;
    --accent-gold-dim: #aa8c2c;
    --wood-tone: #5d4037;

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-fast: 0.3s ease;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: var(--accent-gold);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    cursor: pointer;
    background: transparent;
}

.btn:hover {
    background-color: var(--accent-gold);
    color: var(--bg-color);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: var(--transition-fast);
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.9), transparent);
}

header.scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    padding: var(--spacing-sm) 0;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

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

.logo img {
    height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-links a {
    transform: translateY(30px);
    animation: fadeUp 1s var(--transition-slow) forwards;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--accent-gold);
    transition: var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero */
.hero {
    background-image: url('assets/bg_texture.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0.25rem 0 var(--spacing-xs) 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(10, 10, 10, 0.3);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-logo {
    width: 200px;
    margin: 0 auto var(--spacing-sm);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Sections */
section {
    padding: var(--spacing-lg) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header p {
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-style: italic;
    margin-top: var(--spacing-sm);
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.about-image {
    position: relative;
}

.about-image::after {
    content: '';
    position: absolute;
    top: 20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--accent-gold);
    z-index: -1;
}

/* Materials */
.materials {
    background-color: var(--surface-color);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.material-card {
    background: var(--bg-color);
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-fast);
}

.material-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-5px);
}

.material-icon {
    font-size: 2rem;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-sm);
}

.material-card h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.material-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-sm);
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.95), transparent);
    padding: var(--spacing-md);
    transform: translateY(100%);
    transition: transform var(--transition-fast);
}

.gallery-overlay h3 {
    color: var(--accent-gold);
    font-size: 1.2rem;
    margin: 0;
    transform: translateY(20px);
    transition: transform var(--transition-fast);
}

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

.gallery-item:hover .gallery-overlay h3 {
    transform: translateY(0);
}

/* Contact */
.contact {
    background-color: var(--surface-color);
    text-align: center;
    padding-top: 0.5rem !important;
    padding-bottom: var(--spacing-lg);
}

.contact h2::after {
    display: none;
}

.contact-info {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.contact-info a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-info a:hover {
    color: var(--accent-gold-dim);
    text-decoration: underline;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-family: var(--font-body);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.form-message {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 4px;
    display: none;
}

.form-message.success {
    display: block;
    background-color: rgba(76, 175, 80, 0.2);
    border: 1px solid rgba(76, 175, 80, 0.5);
    color: #4caf50;
}

.form-message.error {
    display: block;
    background-color: rgba(244, 67, 54, 0.2);
    border: 1px solid rgba(244, 67, 54, 0.5);
    color: #f44336;
}

/* Footer */
footer {
    padding: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Animations */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Mobile */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

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

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        transform: translateX(-100%);
        transition: transform var(--transition-fast);
        border-bottom: 1px solid rgba(212, 175, 55, 0.1);
        backdrop-filter: blur(10px);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        transform: none;
        animation: none;
        padding: var(--spacing-sm);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-links a:hover {
        color: var(--accent-gold);
        padding-left: var(--spacing-md);
    }
}