/* 
  Atelier Noir - Fine Dining & Luxury Hospitality
  Design System & Base Styles
*/

:root {
    /* Luxury Palette (Light Mode Default) */
    --primary: #c5a059; /* Champagne Gold */
    --primary-dark: #a8874a;
    --black-warm: #0a0a0a;
    --charcoal: #1a1a1a;
    --ivory: #f8f5f0;
    --white: #ffffff;
    --text-main: #222222;
    --text-heading: #0a0a0a;
    --text-muted: #666666;
    --text-light: #a0a0a0;
    --bg-body: #ffffff;
    --border-light: rgba(197, 160, 89, 0.2);
    --border-dark: rgba(255, 255, 255, 0.1);
    
    /* Deep Accents */
    --olive: #3d4035;
    --burgundy: #4a0e0e;
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-width: 1300px;
    
    /* Transitions */
    --transition-slow: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-base: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    
    /* Shadows */
    --shadow-soft: 0 10px 40px rgba(0,0,0,0.08);
    --shadow-gold: 0 4px 15px rgba(197, 160, 89, 0.15);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-body: #0a0a0a;
    --ivory: #1a1a1a;
    --text-main: #f8f5f0;
    --text-heading: #ffffff;
    --text-muted: #cccccc;
    --text-light: #a0a0a0;
    --black-warm: #000000;
    --border-light: rgba(197, 160, 89, 0.3);
    --shadow-soft: 0 10px 40px rgba(0,0,0,0.6);
}

/* Reset & Base */
*, *::after, *::before {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.7;
    background-color: var(--bg-body);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    font-size: 1.1rem;
    margin-left: 20px;
    transition: var(--transition-base);
}

.header.scrolled .theme-toggle {
    color: var(--white); 
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-heading);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.01em;
}

/* Ensure headings in dark sections are ALWAYS light */
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4, .bg-dark h5, .bg-dark h6,
.bg-charcoal h1, .bg-charcoal h2, .bg-charcoal h3, .bg-charcoal h4, .bg-charcoal h5, .bg-charcoal h6,
.hero h1, .hero h2, .hero h3 {
    color: var(--white) !important;
}

.bg-dark, .bg-charcoal, .hero {
    color: var(--white);
}

.bg-dark p, .bg-charcoal p, .hero p {
    color: rgba(255, 255, 255, 0.8);
}

.text-white { color: var(--white) !important; }
[data-theme="dark"] .text-white { color: #ffffff !important; }

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

ul {
    list-style: none;
}

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

/* Layout Components */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
}

.section {
    padding: var(--section-padding);
}

.bg-dark { background-color: var(--black-warm); color: var(--ivory); }
.bg-charcoal { background-color: var(--charcoal); color: var(--ivory); }
.bg-ivory { background-color: var(--ivory); }
.bg-gold { background-color: var(--primary); color: var(--white); }

/* Utility Classes */
.text-center { text-align: center; }
.text-gold { color: var(--primary); }
.serif { font-family: var(--font-heading); }
.uppercase { text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.85rem; }
.italic { font-style: italic; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }
.mb-5 { margin-bottom: 50px; }

.section-title {
    margin-bottom: 60px;
}

/* ... existing styles ... */

/* Lightbox */
#lightbox {
    position: fixed;
    z-index: 2000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
}

#lightbox.active {
    display: flex;
}

#lightbox img {
    max-width: 90%;
    max-height: 80%;
    border: 5px solid white;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
}

.no-scroll {
    overflow: hidden;
}

/* Grid System */
.grid {
    display: grid;
    gap: 30px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
    .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.section-title span {
    display: block;
    margin-bottom: 15px;
}

.section-title h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
}

/* Featured Card Styles */
.card-featured {
    padding: 60px;
    background: var(--bg-body);
    border: 1px solid var(--border-light);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-base);
}

[data-theme="dark"] .card-featured {
    background: var(--charcoal);
}

.card-featured h2, .card-featured h3, .card-featured h4 {
    color: var(--text-heading);
}

.card-featured p {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 18px 40px;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-outline {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
}

.btn-white {
    background-color: var(--white);
    color: var(--black-warm);
}

.btn-white:hover {
    background-color: var(--ivory);
    transform: translateY(-2px);
}

.btn-dark {
    background-color: var(--black-warm);
    color: var(--white);
    border-color: var(--black-warm);
}

.btn-dark:hover {
    background-color: transparent;
    color: var(--black-warm);
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 30px 0;
    transition: var(--transition-base);
}

.header.scrolled {
    padding: 15px 0;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0,0,0,0.1);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--white);
    letter-spacing: 0.05em;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--white);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--primary);
    transition: var(--transition-base);
}

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

.nav-toggle {
    display: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--white);
    margin: 6px 0;
    transition: var(--transition-base);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-slow);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: var(--transition-slow);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

/* Mobile Nav */
@media (max-width: 992px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--black-warm);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition-base);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-toggle {
        display: block;
        z-index: 1001;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -8px);
    }
}

/* Footer */
.footer {
    padding: 100px 0 40px;
    border-top: 1px solid var(--border-dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 80px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.footer-desc {
    color: var(--text-light);
    max-width: 300px;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--white);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-light);
    font-size: 0.9rem;
}

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

.footer-contact p {
    color: var(--text-light);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-light);
    font-size: 0.8rem;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}