/* ========================================
   BANBATI – THE FLAVOURS OF NORTHEAST
   Cultural Restaurant Website Styles
   ======================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --earth-brown: #4A3728;
    --forest-green: #2D4739;
    --charcoal: #1C1C1C;
    --warm-white: #F8F5F0;
    
    /* Accent Colors */
    --brass: #B08D57;
    --brass-muted: rgba(176, 141, 87, 0.6);
    --clay-red: #A65D4E;
    
    /* Neutral Colors */
    --off-white: #FAF8F5;
    --cream: #F5F1EB;
    --light-grey: #E8E4DE;
    --medium-grey: #8C8577;
    --dark-grey: #3D3D3D;
    
    /* Typography */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    --space-2xl: 12rem;
    
    /* Transitions */
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-medium: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

html.lenis, html.lenis body {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

.lenis.lenis-stopped {
    overflow: hidden;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.6;
    color: var(--charcoal);
    background-color: var(--off-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Section Labels */
.section-label {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--brass);
    margin-bottom: var(--space-sm);
}

/* Section Titles */
.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--charcoal);
    margin-bottom: var(--space-md);
}

/* ========================================
   LOADER
   ======================================== */

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loader-content {
    text-align: center;
}

.loader-text {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--warm-white);
    letter-spacing: 0.1em;
    opacity: 0;
}

.loader-line {
    width: 60px;
    height: 1px;
    background: var(--brass);
    margin: 1.5rem auto 0;
    transform: scaleX(0);
    transform-origin: left;
}

/* ========================================
   NAVIGATION
   ======================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--space-md) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: var(--transition-medium);
}

.nav.scrolled {
    background: rgba(248, 245, 240, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-sm) var(--space-md);
}

.nav.scrolled .nav-logo,
.nav.scrolled .nav-links a {
    color: var(--charcoal);
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--warm-white);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav-links a {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--warm-white);
}

.nav-links a:hover {
    color: var(--brass);
}

.nav-cta {
    padding: 0.75rem 1.5rem;
    border: 1px solid currentColor;
    transition: var(--transition-fast);
}

.nav-cta:hover {
    background: var(--brass);
    border-color: var(--brass);
    color: var(--warm-white) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--warm-white);
    transition: var(--transition-fast);
}

.nav.scrolled .nav-toggle span {
    background: var(--charcoal);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    z-index: 99;
    transition: var(--transition-medium);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-links {
    text-align: center;
}

.mobile-menu-links li {
    margin: var(--space-md) 0;
    opacity: 0;
    transform: translateY(20px);
}

.mobile-menu.active .mobile-menu-links li {
    opacity: 1;
    transform: translateY(0);
    transition: var(--transition-medium);
}

.mobile-menu-links a {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--warm-white);
}

.mobile-menu-links a:hover {
    color: var(--brass);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(28, 28, 28, 0.5) 0%,
        rgba(28, 28, 28, 0.7) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-md);
    max-width: 900px;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--brass);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--warm-white);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero-tagline {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--light-grey);
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero-cta {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--warm-white);
    padding: 1rem 2.5rem;
    border: 1px solid var(--brass);
    background: transparent;
    transition: var(--transition-fast);
    opacity: 0;
    transform: translateY(30px);
}

.hero-cta:hover {
    background: var(--brass);
    color: var(--charcoal);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0;
    transition: opacity 0.8s ease;
}

/* No-JS Fallback */
.no-js .loader {
    display: none !important;
}

.no-js .hero-subtitle,
.no-js .hero-title,
.no-js .hero-tagline,
.no-js .hero-cta,
.no-js .scroll-indicator {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.scroll-indicator span {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--warm-white);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--brass), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ========================================
   STORY SECTION
   ======================================== */

.story {
    padding: var(--space-2xl) 0;
    background: var(--off-white);
    position: relative;
    overflow: hidden;
}

.story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.story-content {
    padding-right: var(--space-lg);
}

.story-text p {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--dark-grey);
    margin-bottom: var(--space-md);
}

.story-text p:last-child {
    margin-bottom: var(--space-lg);
}

.story-signature {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.story-signature span {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--medium-grey);
}

.story-signature .signature {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--charcoal);
}

.story-visual {
    position: relative;
    height: 600px;
}

.story-image-wrapper {
    position: relative;
    height: 100%;
    overflow: hidden;
}

.story-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.story-texture {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 60%;
    height: 60%;
    background: var(--cream);
    z-index: -1;
}

/* ========================================
   JOURNEY SECTION
   ======================================== */

.journey {
    padding: var(--space-2xl) 0;
    background: var(--charcoal);
    color: var(--warm-white);
}

.journey-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    padding: 0 var(--space-md);
}

.journey-header .section-title {
    color: var(--warm-white);
}

.journey-intro {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--light-grey);
}

.journey-regions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
    padding: 0 var(--space-md);
    max-width: 1600px;
    margin: 0 auto;
}

.region {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    transition: var(--transition-medium);
}

.region:hover {
    border-color: var(--brass-muted);
    transform: translateY(-5px);
}

.region-image {
    height: 250px;
    overflow: hidden;
}

.region-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    filter: grayscale(20%);
}

.region:hover .region-image img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.region-content {
    padding: var(--space-md);
}

.region-name {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
    color: var(--warm-white);
}

.region-description {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--medium-grey);
}

/* ========================================
   DISHES SECTION
   ======================================== */

.dishes {
    padding: var(--space-2xl) 0;
    background: var(--cream);
}

.dishes-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.dishes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.dish {
    position: relative;
}

.dish-image-wrapper {
    position: relative;
    height: 350px;
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.dish-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.dish:hover .dish-image {
    transform: scale(1.03);
}

.dish-content {
    padding: 0 var(--space-xs);
}

.dish-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: var(--space-xs);
    color: var(--charcoal);
}

.dish-story {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--dark-grey);
    margin-bottom: var(--space-sm);
}

.dish-origin {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--brass);
}

/* ========================================
   AMBIENCE SECTION
   ======================================== */

.ambience {
    padding: var(--space-2xl) 0;
    background: var(--charcoal);
    color: var(--warm-white);
}

.ambience-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    padding: 0 var(--space-md);
}

.ambience-header .section-title {
    color: var(--warm-white);
}

.ambience-intro {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--light-grey);
}

.ambience-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 300px;
    gap: var(--space-sm);
    padding: 0 var(--space-md);
    max-width: 1600px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    filter: grayscale(30%);
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.gallery-item-large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item-wide {
    grid-column: span 2;
}

/* ========================================
   VISIT SECTION
   ======================================== */

.visit {
    padding: var(--space-2xl) 0;
    background: var(--off-white);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: stretch;
}

.visit-content {
    padding-right: var(--space-lg);
}

.visit-text {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--dark-grey);
    margin-bottom: var(--space-lg);
}

.visit-info {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.info-block h4 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--brass);
    margin-bottom: var(--space-xs);
}

.info-block p {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--charcoal);
}

.visit-cta {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--warm-white);
    padding: 1.25rem 3rem;
    background: var(--charcoal);
    border: 1px solid var(--charcoal);
    transition: var(--transition-fast);
}

.visit-cta:hover {
    background: var(--brass);
    border-color: var(--brass);
}

.visit-map {
    position: relative;
    min-height: 450px;
    background: var(--light-grey);
}

.visit-map iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    padding: var(--space-xl) 0 var(--space-md);
    background: var(--charcoal);
    color: var(--warm-white);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.footer-tagline {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-style: italic;
    color: var(--brass);
    margin-bottom: var(--space-md);
}

.footer-philosophy {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--medium-grey);
    max-width: 400px;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.footer-column h4 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--brass);
    margin-bottom: var(--space-md);
}

.footer-column ul li {
    margin-bottom: var(--space-sm);
}

.footer-column a {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--light-grey);
}

.footer-column a:hover {
    color: var(--warm-white);
}

.footer-bottom {
    padding-top: var(--space-md);
    text-align: center;
}

.footer-bottom p {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--medium-grey);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1200px) {
    .dishes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ambience-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .gallery-item-large {
        grid-column: span 2;
    }
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .story-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .story-content {
        padding-right: 0;
        order: 2;
    }
    
    .story-visual {
        order: 1;
        height: 450px;
    }
    
    .visit-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .visit-content {
        padding-right: 0;
    }
    
    .visit-map {
        min-height: 350px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 5rem;
        --space-2xl: 7rem;
    }
    
    .journey-regions {
        grid-template-columns: 1fr;
    }
    
    .dishes-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .dish-image-wrapper {
        height: 280px;
    }
    
    .ambience-gallery {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
    }
    
    .gallery-item-large {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .gallery-item-wide {
        grid-column: span 2;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

@media (max-width: 576px) {
    :root {
        --space-lg: 3rem;
        --space-xl: 4rem;
        --space-2xl: 5rem;
    }
    
    .hero-subtitle {
        font-size: 0.75rem;
        letter-spacing: 0.2em;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-tagline {
        font-size: 1rem;
    }
    
    .hero-cta {
        padding: 0.875rem 2rem;
        font-size: 0.8125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .story-text p {
        font-size: 1rem;
    }
    
    .region-image {
        height: 200px;
    }
    
    .dish-image-wrapper {
        height: 250px;
    }
    
    .ambience-gallery {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
    }
    
    .gallery-item-large,
    .gallery-item-wide {
        grid-column: span 1;
    }
    
    .visit-cta {
        width: 100%;
        text-align: center;
    }
}

/* ========================================
   ANIMATION STATES
   ======================================== */

.reveal {
    opacity: 0;
    transform: translateY(40px);
}

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

.reveal-image {
    clip-path: inset(100% 0 0 0);
}

.reveal-image.active {
    clip-path: inset(0 0 0 0);
}

/* Texture Overlays */
.texture-paper {
    position: relative;
}

.texture-paper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%' height='100%' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 1;
}

/* Selection Color */
::selection {
    background: var(--brass);
    color: var(--warm-white);
}

::-moz-selection {
    background: var(--brass);
    color: var(--warm-white);
}