/* ============================================
   Yhum Yhum Kitchen — Styles
   Color Palette: Midnight Blue + Mint
   ============================================ */

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

:root {
    --midnight: #0a2e4f;
    --midnight-light: #134b7a;
    --midnight-dark: #061e34;
    --mint: #5fb8a0;
    --mint-light: #7ecfb9;
    --mint-dark: #4a9e88;
    --cream: #f7f5f0;
    --cream-dark: #ede9e0;
    --white: #ffffff;
    --text-dark: #1a1a2e;
    --text-muted: #5a5a7a;
    --text-light: #8a8aa0;
    --gold: #c9a84c;
    --gold-light: #d4b96a;
    
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', 'Segoe UI', system-ui, sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(10, 46, 79, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 46, 79, 0.1);
    --shadow-lg: 0 10px 40px rgba(10, 46, 79, 0.12);
    --shadow-xl: 0 20px 60px rgba(10, 46, 79, 0.15);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: var(--cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--midnight);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-size: 0.875rem;
    transition: top var(--transition);
}

.skip-link:focus {
    top: 16px;
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(247, 245, 240, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(10, 46, 79, 0.08);
    transition: all var(--transition);
}

.header.scrolled {
    background: rgba(247, 245, 240, 0.97);
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--midnight);
    letter-spacing: -0.01em;
}

.logo-icon {
    color: var(--mint);
    display: flex;
    align-items: center;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    letter-spacing: 0.02em;
}

.nav-link:hover {
    color: var(--midnight);
    background: rgba(10, 46, 79, 0.06);
}

.btn-nav {
    margin-left: 8px;
    font-size: 0.85rem !important;
    padding: 10px 20px !important;
    background: var(--midnight);
    color: var(--white) !important;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.btn-nav:hover {
    background: var(--midnight-light) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.hamburger {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--midnight);
    position: relative;
    transition: all var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--midnight);
    transition: all var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ============================================
   Hero
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(6, 30, 52, 0.82) 0%,
        rgba(10, 46, 79, 0.72) 50%,
        rgba(19, 75, 122, 0.65) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 120px 24px 80px;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--mint-light);
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 600;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero-sub {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.6s;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.8s;
}

.hero-details {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 1s;
}

.hero-detail {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.hero-detail svg {
    color: var(--mint);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: fadeIn 1s ease forwards 1.5s;
    opacity: 0;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.6); opacity: 0.5; }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.02em;
}

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

.btn-primary:hover {
    background: var(--mint-dark);
    border-color: var(--mint-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(95, 184, 160, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

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

.btn-outline-light {
    background: transparent;
    color: var(--midnight);
    border-color: var(--midnight);
}

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

/* ============================================
   Section Shared
   ============================================ */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--mint-dark);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--midnight);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-header {
    margin-bottom: 64px;
}

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

.body-text {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

/* ============================================
   About
   ============================================ */
.about {
    padding: 120px 0;
    background: var(--cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 600/750;
    transition: transform var(--transition-slow);
}

.about-img-main:hover img {
    transform: scale(1.03);
}

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    right: -40px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 6px solid var(--cream);
}

.about-img-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 500/380;
    display: block;
}

.about-content {
    padding: 20px 0;
}

.section-lead {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    color: var(--midnight);
    line-height: 1.5;
    margin-bottom: 24px;
    font-style: italic;
}

.about-signature {
    margin-top: 40px;
}

.signature-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(to right, var(--mint), var(--mint-light));
    margin-bottom: 20px;
    border-radius: 2px;
}

.signature-text {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   Menu
   ============================================ */
.menu {
    padding: 120px 0;
    background: var(--white);
}

.menu-categories {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.menu-tab {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 10px 24px;
    border: 1.5px solid rgba(10, 46, 79, 0.15);
    border-radius: 50px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.02em;
}

.menu-tab:hover {
    border-color: var(--mint);
    color: var(--mint-dark);
}

.menu-tab.active {
    background: var(--midnight);
    border-color: var(--midnight);
    color: var(--white);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.menu-item {
    background: var(--cream);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
    opacity: 1;
    transform: translateY(0);
}

.menu-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.menu-item-image {
    overflow: hidden;
    aspect-ratio: 400/300;
}

.menu-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.menu-item:hover .menu-item-image img {
    transform: scale(1.06);
}

.menu-item-body {
    padding: 24px;
}

.menu-item-name {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 8px;
}

.menu-item-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.menu-note {
    margin-top: 48px;
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

/* ============================================
   Experience
   ============================================ */
.experience {
    padding: 120px 0 80px;
    background: var(--midnight);
}

.experience .section-eyebrow {
    color: var(--mint-light);
}

.experience .section-title {
    color: var(--white);
}

.experience .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.experience .container:first-child {
    margin-bottom: 64px;
}

.experience-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.experience-img {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.experience-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.experience-img:first-child {
    grid-row: span 2;
}

.experience-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 46, 79, 0.4), transparent 50%);
    border-radius: var(--radius-md);
}

.experience-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    grid-row: span 2;
}

.feature-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: all var(--transition);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.feature-icon {
    color: var(--mint);
    margin-bottom: 20px;
}

.feature-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
}

.feature-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* ============================================
   Visit
   ============================================ */
.visit {
    padding: 120px 0;
    background: var(--cream);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.visit-info {
    padding-right: 20px;
}

.visit-details {
    margin: 40px 0;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.visit-detail {
    display: flex;
    gap: 16px;
}

.visit-detail-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: var(--white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--midnight);
    box-shadow: var(--shadow-sm);
}

.visit-detail-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 4px;
}

.visit-detail-value {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.6;
}

.visit-detail-value a {
    color: var(--midnight);
    transition: color var(--transition);
}

.visit-detail-value a:hover {
    color: var(--mint-dark);
}

.visit-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.visit-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    min-height: 480px;
}

.visit-map iframe {
    width: 100%;
    height: 100%;
    min-height: 480px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--midnight-dark);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    color: var(--mint);
}

.footer-tagline {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    max-width: 300px;
}

.footer-heading {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mint);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

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

.footer-contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

.footer-contact-list svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--mint);
}

.footer-contact-list a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

.footer-contact-list a:hover {
    color: var(--white);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-copy {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.35);
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--midnight);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--mint);
    transform: translateY(-4px);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        gap: 48px;
    }
    
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experience-gallery {
        grid-template-columns: 1fr;
    }
    
    .experience-img:first-child {
        grid-row: span 1;
    }
    
    .experience-features {
        grid-row: span 1;
        grid-template-columns: 1fr 1fr;
    }
    
    .visit-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .visit-info {
        padding-right: 0;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--cream);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 32px;
        gap: 4px;
        transition: right var(--transition);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: 12px 16px;
        font-size: 1rem;
    }
    
    .btn-nav {
        margin-left: 0;
        margin-top: 16px;
        text-align: center;
        width: 100%;
    }
    
    .hero-content {
        padding: 100px 24px 60px;
    }
    
    .hero-details {
        flex-direction: column;
        gap: 12px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-img-secondary {
        right: 0;
        bottom: -20px;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .experience-features {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .visit-map {
        min-height: 320px;
    }
    
    .visit-map iframe {
        min-height: 320px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .menu-categories {
        gap: 6px;
    }
    
    .menu-tab {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    
    .about-img-secondary {
        position: relative;
        right: auto;
        bottom: auto;
        margin-top: 16px;
    }
}