/* ============================================
   KIM LOAN BAR - Vietnamese Restaurant
   Aesthetic: Luxurious Asian Retro with Golden Accents
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Color Palette - Deep burgundy, gold, cream */
    --color-primary: #8B1E3F;
    --color-primary-dark: #5C1428;
    --color-primary-light: #B82E5A;
    --color-gold: #D4A853;
    --color-gold-light: #E8C97A;
    --color-gold-dark: #B8923A;
    --color-cream: #FDF6E9;
    --color-cream-dark: #F5EBDB;
    --color-black: #1A1412;
    --color-charcoal: #2D2623;
    --color-text: #3A322E;
    --color-text-light: #6B5F59;
    --color-white: #FFFFFF;

    /* Typography */
    --font-display: 'Noto Serif Display', Georgia, serif;
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Libre Baskerville', Georgia, 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-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
    --transition-smooth: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(26, 20, 18, 0.08);
    --shadow-md: 0 4px 24px rgba(26, 20, 18, 0.12);
    --shadow-lg: 0 8px 48px rgba(26, 20, 18, 0.16);
    --shadow-gold: 0 4px 24px rgba(212, 168, 83, 0.3);
}

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

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

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-md);
    background: linear-gradient(165deg,
        var(--color-primary-dark) 0%,
        var(--color-primary) 35%,
        var(--color-charcoal) 100%
    );
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L30 60M0 30L60 30' stroke='%23D4A853' stroke-width='0.5' fill='none' opacity='0.1'/%3E%3C/svg%3E");
    opacity: 0.4;
    pointer-events: none;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 80%, rgba(212, 168, 83, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(212, 168, 83, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.rating-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(212, 168, 83, 0.15);
    border: 1px solid var(--color-gold);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(-20px);
    animation: fadeDown 0.8s ease forwards;
    animation-delay: 0.3s;
}

.rating-badge .stars {
    color: var(--color-gold);
    font-size: 0.875rem;
    letter-spacing: 2px;
}

.rating-badge .rating-text {
    color: var(--color-cream);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-cream);
    margin-bottom: var(--space-sm);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards;
    animation-delay: 0.5s;
}

.title-accent {
    display: block;
    font-size: clamp(3rem, 12vw, 8rem);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 50%, var(--color-gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.title-main {
    display: block;
    font-size: clamp(1.5rem, 5vw, 3rem);
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-top: -0.5rem;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-cream);
    opacity: 0.9;
    margin-bottom: var(--space-xs);
    font-style: italic;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.7s;
}

.hero-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--color-gold-light);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.9s;
}

.hero-location svg {
    opacity: 0.8;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 1.1s;
}

.cta-primary,
.cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.cta-primary {
    background: var(--color-gold);
    color: var(--color-black);
    box-shadow: var(--shadow-gold);
}

.cta-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 32px rgba(212, 168, 83, 0.4);
}

.cta-primary:hover::before {
    transform: translateX(100%);
}

.cta-secondary {
    background: transparent;
    color: var(--color-cream);
    border: 1px solid rgba(253, 246, 233, 0.3);
}

.cta-secondary:hover {
    background: rgba(253, 246, 233, 0.1);
    border-color: var(--color-cream);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-cream);
    opacity: 0.6;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeIn 1s ease forwards;
    animation-delay: 1.5s;
    opacity: 0;
}

.scroll-arrow {
    width: 24px;
    height: 40px;
    border: 1px solid currentColor;
    border-radius: 12px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: currentColor;
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-header-left {
    text-align: left;
}

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-xs);
    position: relative;
    padding-bottom: 0.5rem;
}

.section-label::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 1px;
    background: var(--color-gold);
}

.section-header-left .section-label::after {
    left: 0;
    transform: none;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: var(--space-xs);
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--color-text-light);
    font-style: italic;
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery {
    padding: var(--space-xl) var(--space-md);
    background: var(--color-cream);
    position: relative;
}

.gallery::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, var(--color-cream-dark), transparent);
    pointer-events: none;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(2, 280px);
    }

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

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

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    min-height: 250px;
}

.gallery-image {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-slow);
}

.gallery-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.placeholder-icon {
    font-size: 3rem;
    filter: grayscale(20%);
}

.placeholder-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-cream);
    opacity: 0.9;
    letter-spacing: 0.05em;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 20, 18, 0.9) 0%, rgba(26, 20, 18, 0) 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-md);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.gallery-overlay span {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    color: var(--color-cream);
    transform: translateY(10px);
    transition: transform var(--transition-medium);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.05);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover .gallery-overlay span {
    transform: translateY(0);
}

/* ============================================
   REVIEWS SECTION
   ============================================ */
.reviews {
    padding: var(--space-xl) var(--space-md);
    background: var(--color-charcoal);
    position: relative;
    overflow: hidden;
}

.reviews-bg-pattern {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='50' cy='50' r='40' stroke='%23D4A853' stroke-width='0.5' fill='none' opacity='0.1'/%3E%3C/svg%3E");
    opacity: 0.3;
}

.reviews .section-title {
    color: var(--color-cream);
}

.reviews .section-subtitle {
    color: rgba(253, 246, 233, 0.7);
}

.reviews-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .reviews-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .reviews-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

.review-card {
    background: rgba(253, 246, 233, 0.05);
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 8px;
    padding: var(--space-md);
    position: relative;
    transition: all var(--transition-medium);
}

.review-card:hover {
    background: rgba(253, 246, 233, 0.08);
    border-color: rgba(212, 168, 83, 0.4);
    transform: translateY(-4px);
}

.review-card-featured {
    background: rgba(212, 168, 83, 0.1);
    border-color: var(--color-gold);
}

.review-quote {
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--color-gold);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: -1.5rem;
}

.review-text {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-cream);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    font-style: italic;
}

.review-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(253, 246, 233, 0.1);
}

.review-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-black);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-cream);
}

.author-date {
    font-size: 0.75rem;
    color: rgba(253, 246, 233, 0.5);
}

.review-rating .stars {
    color: var(--color-gold);
    font-size: 0.875rem;
    letter-spacing: 2px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--space-xl) var(--space-md);
    background: var(--color-cream);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    max-width: 1100px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-item {
    display: flex;
    gap: var(--space-sm);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    stroke: var(--color-gold);
}

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

.contact-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.contact-value {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    color: var(--color-charcoal);
    transition: color var(--transition-fast);
}

.contact-value:hover {
    color: var(--color-primary);
}

.contact-phone {
    font-size: 1.5rem;
    font-weight: 600;
}

.hours-card {
    background: var(--color-white);
    border-radius: 12px;
    padding: var(--space-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(212, 168, 83, 0.2);
}

.hours-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-charcoal);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-gold);
}

.hours-table {
    width: 100%;
    border-collapse: collapse;
}

.hours-table td {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(45, 38, 35, 0.08);
}

.hours-table tr:last-child td {
    border-bottom: none;
}

.hours-table td:first-child {
    font-weight: 400;
    color: var(--color-text);
}

.hours-table td:last-child {
    text-align: right;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-charcoal);
}

.hours-table tr.current-day td {
    color: var(--color-primary);
}

.hours-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(45, 38, 35, 0.08);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4CAF50;
    animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-black);
    padding: var(--space-lg) var(--space-md) var(--space-md);
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
    text-align: center;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(253, 246, 233, 0.1);
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-cream);
}

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

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(253, 246, 233, 0.6);
    font-style: italic;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .footer-contact {
        align-items: flex-end;
    }
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(253, 246, 233, 0.7);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-link svg {
    opacity: 0.6;
}

.footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    padding-top: var(--space-md);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(253, 246, 233, 0.4);
}

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(26, 20, 18, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 48px;
    height: 48px;
    border: none;
    background: transparent;
    color: var(--color-cream);
    font-size: 2rem;
    cursor: pointer;
    transition: transform var(--transition-fast);
    z-index: 1001;
}

.lightbox-close:hover {
    transform: scale(1.1);
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    text-align: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    min-width: 300px;
    background: rgba(45, 38, 35, 0.5);
    padding: var(--space-lg);
}

.lightbox-caption {
    margin-top: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 1.125rem;
    color: var(--color-cream);
}

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

@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 0.6;
    }
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(12px);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(76, 175, 80, 0);
    }
}

/* Scroll-triggered animations */
[data-animate] {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate="slide-up"] {
    transform: translateY(40px);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate="fade-up"] {
    transform: translateY(30px);
}

[data-animate].animate-in {
    opacity: 1;
    transform: translate(0, 0);
}

/* Animation delays */
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 767px) {
    .hero {
        padding: var(--space-lg) var(--space-sm);
    }

    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }

    .cta-primary,
    .cta-secondary {
        width: 100%;
        justify-content: center;
    }

    .gallery {
        padding: var(--space-lg) var(--space-sm);
    }

    .reviews {
        padding: var(--space-lg) var(--space-sm);
    }

    .contact {
        padding: var(--space-lg) var(--space-sm);
    }
}

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