/* ========================================
   Sun Hong Wong - Restaurant Website
   Clean Minimalist Design
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Color Palette - Terracotta & Sand */
    --color-terracotta: #C4725A;
    --color-terracotta-dark: #A85A45;
    --color-terracotta-light: #D4917E;
    --color-sand: #F5F0EB;
    --color-sand-dark: #E8E0D8;
    --color-cream: #FAFAF8;
    --color-white: #FFFFFF;
    --color-text: #2C2C2C;
    --color-text-light: #6B6B6B;
    --color-text-muted: #9A9A9A;
    --color-line: #E5E0DB;
    
    /* Typography */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-line);
    transition: var(--transition-base);
}

.nav.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--color-text);
}

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

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-light);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-terracotta);
    transition: var(--transition-base);
}

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

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

.nav-phone {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-terracotta);
    letter-spacing: 0.02em;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-base);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 250, 248, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

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

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.mobile-link {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.mobile-link:hover {
    color: var(--color-terracotta);
}

.mobile-phone {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-terracotta);
    margin-top: var(--space-sm);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--color-cream);
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    padding: var(--space-xl) var(--space-md) var(--space-xl) var(--space-lg);
    max-width: 600px;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-terracotta);
    margin-bottom: var(--space-md);
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.hero-accent {
    font-style: italic;
    color: var(--color-terracotta);
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    max-width: 480px;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid transparent;
    transition: var(--transition-base);
    cursor: pointer;
    background: none;
}

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

.btn-primary:hover {
    background: var(--color-terracotta-dark);
    border-color: var(--color-terracotta-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-line);
}

.btn-secondary:hover {
    border-color: var(--color-terracotta);
    color: var(--color-terracotta);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 0.875rem;
}

.hero-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.hero-image img {
    width: 100%;
    max-width: 600px;
    height: auto;
    object-fit: cover;
    border-radius: 2px;
}

/* ========================================
   Section Dividers
   ======================================== */
.section-divider {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.divider-line {
    height: 1px;
    background: var(--color-line);
}

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

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-light);
    max-width: 600px;
}

/* ========================================
   Menu Section
   ======================================== */
.menu-section {
    padding: var(--space-2xl) 0;
    background: var(--color-cream);
}

.menu-section .section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.menu-section .section-description {
    margin: 0 auto;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.menu-category {
    padding: var(--space-md);
    border: 1px solid var(--color-line);
    border-radius: 2px;
}

.category-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.category-number {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-terracotta);
}

.menu-items {
    list-style: none;
}

.menu-items li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-sand-dark);
}

.menu-items li:last-child {
    border-bottom: none;
}

.item-name {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--color-text);
}

.item-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 300;
    text-align: right;
    max-width: 200px;
}

.menu-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    padding: var(--space-2xl) 0;
    background: var(--color-sand);
}

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

.about-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 2px;
}

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

.about-text {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.about-stats {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-line);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-terracotta);
    line-height: 1;
}

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

.stat-divider {
    width: 1px;
    height: 60px;
    background: var(--color-line);
}

/* ========================================
   Visit Section
   ======================================== */
.visit-section {
    padding: var(--space-2xl) 0;
    background: var(--color-cream);
}

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

.visit-info {
    padding: var(--space-md);
}

.info-block {
    margin-bottom: var(--space-lg);
}

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

.info-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text);
}

.info-link {
    color: var(--color-terracotta);
    border-bottom: 1px solid var(--color-terracotta-light);
    transition: var(--transition-fast);
}

.info-link:hover {
    color: var(--color-terracotta-dark);
    border-color: var(--color-terracotta-dark);
}

.visit-map {
    padding: var(--space-md);
}

.map-placeholder {
    background: var(--color-sand);
    border: 1px solid var(--color-line);
    border-radius: 2px;
    padding: var(--space-xl);
    text-align: center;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.map-icon {
    color: var(--color-terracotta);
}

.map-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-text);
}

.map-link {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-terracotta);
    border: 1px solid var(--color-terracotta);
    padding: 0.75rem 1.5rem;
    transition: var(--transition-base);
}

.map-link:hover {
    background: var(--color-terracotta);
    color: var(--color-white);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-text);
    color: var(--color-white);
    padding: var(--space-xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: var(--space-xs);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    font-weight: 300;
}

.footer-info {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.footer-phone {
    color: var(--color-terracotta-light);
    transition: var(--transition-fast);
}

.footer-phone:hover {
    color: var(--color-terracotta);
}

.footer-copy {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero {
        flex-direction: column;
        min-height: auto;
        padding-top: 100px;
    }
    
    .hero-content {
        padding: var(--space-xl) var(--space-md);
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image {
        padding: var(--space-md);
        width: 100%;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-content {
        padding: 0;
    }
    
    .visit-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 640px) {
    :root {
        --space-md: 1.5rem;
        --space-lg: 3rem;
        --space-xl: 4rem;
    }
    
    .nav-container {
        height: 70px;
    }
    
    .hero-headline {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .menu-items li {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .item-desc {
        text-align: left;
        max-width: 100%;
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .stat-divider {
        width: 60px;
        height: 1px;
    }
    
    .map-placeholder {
        min-height: 300px;
    }
}