/* === CSS VARIABLES === */
:root {
    --color-bg-dark: #0a0e0c;         /* Very dark green, almost black */
    --color-bg-light: #121a16;        /* slightly lighter body bg */
    --color-primary-gold: #cfaa76;    /* Champagne / Gold */
    --color-gold-hover: #e0c294;
    --color-accent-green: #1a2b22;    /* Card backgrounds */
    --color-text-main: #f4f6f5;       /* Off-white readable text */
    --color-text-muted: #a3b1aa;      /* Subtitle/Description text */
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-dark);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
    font-weight: 400;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

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

/* === HEADER & NAVIGATION === */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
    padding: 25px 0;
}

header.scrolled {
    background: rgba(10, 14, 12, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.8rem;
    color: var(--color-primary-gold);
    letter-spacing: 1px;
}

.logo span {
    font-weight: 700;
    color: var(--color-text-main);
    font-size: 1.5rem;
}

.nav-menu ul {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    color: var(--color-text-main);
    padding-bottom: 5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary-gold);
    transition: var(--transition-smooth);
}

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

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-main);
}

/* === HERO SECTION === */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url('assets/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(10, 14, 12, 0.9) 0%, rgba(10, 14, 12, 0.5) 50%, rgba(10, 14, 12, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 600px;
    padding-left: 5%;
}

.hero .subtitle {
    color: var(--color-primary-gold);
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 15px;
}

.hero .title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 25px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}

.hero .description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--color-primary-gold);
    color: var(--color-bg-dark);
    font-weight: 500;
}

.btn-primary:hover {
    background-color: var(--color-gold-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(207, 170, 118, 0.2);
}

/* === SECTION HEADERS === */
section {
    padding: 100px 0;
    background-color: var(--color-bg-light);
}

section:nth-child(even) {
    background-color: var(--color-bg-dark);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.8rem;
    color: var(--color-text-main);
    margin-bottom: 15px;
}

.divider {
    width: 60px;
    height: 2px;
    background-color: var(--color-primary-gold);
    margin: 0 auto 20px;
}

.section-header p {
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* === COLLECTIONS === */
.collection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.collection-card {
    background: var(--color-accent-green);
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
    border-radius: 4px;
}

.collection-card:hover {
    transform: translateY(-10px);
    background: rgba(26, 43, 34, 0.8);
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
    border-color: rgba(207, 170, 118, 0.3);
}

.icon-wrap {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    border: 1px solid var(--color-primary-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-primary-gold);
    transition: var(--transition-smooth);
}

.collection-card:hover .icon-wrap {
    background: var(--color-primary-gold);
    color: var(--color-bg-dark);
}

.collection-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.collection-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* === SHOWCASE SECTION === */
.filter-menu {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.filter-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-main);
    padding: 10px 25px;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
    border-radius: 30px;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--color-primary-gold);
    color: var(--color-bg-dark);
    border-color: var(--color-primary-gold);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 40px;
}

.product-item {
    background: var(--color-bg-dark);
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    will-change: transform, opacity;
}

.product-item.hide {
    display: none;
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}

.product-img-wrapper {
    width: 100%;
    height: 380px;
    overflow: hidden;
    position: relative;
    background: #111;
}

.product-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.product-item:hover .product-img-wrapper img {
    transform: scale(1.08);
}

.product-info {
    padding: 25px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.product-title {
    font-size: 1.4rem;
    color: var(--color-text-main);
    margin-bottom: 10px;
}

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

/* === FOOTER === */
footer {
    background: #050706;
    padding: 80px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand p {
    color: var(--color-text-muted);
    margin: 20px 0;
    max-width: 350px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-main);
    transition: var(--transition-smooth);
}

.social-links a:hover {
    background: var(--color-primary-gold);
    color: var(--color-bg-dark);
    border-color: var(--color-primary-gold);
}

.footer-contact h3 {
    margin-bottom: 25px;
    font-size: 1.5rem;
    color: var(--color-primary-gold);
}

.footer-contact p {
    color: var(--color-text-muted);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.3);
    font-size: 0.85rem;
}

/* === UTILITIES === */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* === RESPONSIVE === */
@media screen and (max-width: 900px) {
    .nav-menu ul {
        gap: 1.5rem;
    }
    .hero .title {
        font-size: 3rem;
    }
}

@media screen and (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-bg-dark);
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: var(--transition-smooth);
    }
    .nav-menu.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    .nav-menu ul {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .hero .title {
        font-size: 2.5rem;
    }
    .hero-content {
        padding-left: 0;
        text-align: center;
        margin: 0 auto;
    }
    .hero::before {
        background: rgba(10, 14, 12, 0.7);
    }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-brand p, .footer-contact p, .social-links {
        margin-left: auto;
        margin-right: auto;
        justify-content: center;
    }
}