/* ===== CSS Variables ===== */
:root {
    /* Colors - Asian Restaurant Theme */
    --color-primary: #d32f2f;
    --color-primary-dark: #b71c1c;
    --color-primary-light: #ff5252;
    --color-secondary: #ffa000;
    --color-secondary-dark: #ff6f00;
    --color-secondary-light: #ffc107;
    --color-text: #212121;
    --color-text-light: #757575;
    --color-background: #ffffff;
    --color-background-alt: #f5f5f5;
    --color-border: #e0e0e0;
    --color-overlay: rgba(0, 0, 0, 0.6);
    --color-success: #4caf50;
    --color-star: #ffa000;

    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: Georgia, 'Times New Roman', serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    /* Layout */
    --container-max-width: 1140px;
    --border-radius: 8px;
    --border-radius-lg: 16px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.25);
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

/* ===== Base Styles ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
}

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

.section-header__subtitle {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.section-header__title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.section-header__description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-background);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: transform var(--transition-normal);
}

.nav.nav--hidden {
    transform: translateY(-100%);
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.nav__logo-text {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-xs);
}

.nav__toggle-line {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-fast);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav__list {
    display: flex;
    gap: var(--spacing-md);
}

.nav__link {
    font-weight: 500;
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__cta {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-background);
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: background-color var(--transition-fast);
}

.nav__cta:hover {
    background-color: var(--color-primary-dark);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

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

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
}

.hero__content {
    position: relative;
    text-align: center;
    color: var(--color-background);
    padding: var(--spacing-md);
    animation: fadeInUp 1s ease;
}

.hero__title {
    font-family: var(--font-secondary);
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.hero__description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.hero__rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero__stars {
    display: flex;
    gap: 4px;
}

.star {
    color: var(--color-star);
    font-size: 1.25rem;
}

.hero__rating-text {
    font-size: 1rem;
    opacity: 0.9;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero__scroll-line {
    display: block;
    width: 2px;
    height: 40px;
    background: var(--color-background);
    opacity: 0.7;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

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

.btn--secondary {
    background-color: transparent;
    color: var(--color-background);
    border: 2px solid var(--color-background);
}

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

.btn--large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ===== About Section ===== */
.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about__text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about__description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

.about__highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.highlight {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius);
    transition: transform var(--transition-fast);
}

.highlight:hover {
    transform: translateY(-4px);
}

.highlight__icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.highlight__title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.highlight__text {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.about__image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.about__image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.about__image:hover {
    transform: scale(1.05);
}

/* ===== Features Section ===== */
.features {
    background-color: var(--color-background-alt);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature__icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.feature__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.feature__description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===== Menu Section ===== */
.menu__notice {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
    font-size: 1.125rem;
}

.menu__notice a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
}

.menu__categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.menu__category {
    padding: var(--spacing-lg);
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    transition: all var(--transition-fast);
}

.menu__category:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.menu__category-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.menu__category-description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===== Popular Times Section ===== */
.popular-times {
    background-color: var(--color-background-alt);
}

.popular-times__chart {
    background-color: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
}

.popular-times__day {
    margin-bottom: var(--spacing-lg);
}

.popular-times__day-name {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.popular-times__bars {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 80px;
}

.popular-times__bar {
    flex: 1;
    background-color: var(--color-primary-light);
    border-radius: 4px 4px 0 0;
    transition: background-color var(--transition-fast);
    position: relative;
}

.popular-times__bar:hover {
    background-color: var(--color-primary);
}

.popular-times__bar::after {
    content: attr(data-hour);
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.popular-times__note {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.875rem;
    font-style: italic;
}

/* ===== Gallery Section ===== */
.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.gallery__item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
    aspect-ratio: 4 / 3;
}

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

.gallery__item:hover img {
    transform: scale(1.1);
}

.gallery__item::after {
    content: '🔍';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: var(--color-background);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.gallery__item:hover::after {
    opacity: 1;
}

/* ===== Lightbox ===== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox__content {
    max-width: 90%;
    max-height: 90%;
}

.lightbox__image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
    position: absolute;
    font-size: 2rem;
    color: var(--color-background);
    background-color: rgba(0, 0, 0, 0.5);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.lightbox__close {
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.lightbox__prev {
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox__next {
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

/* ===== Reviews Section ===== */
.reviews__summary {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
    align-items: center;
}

.reviews__summary-score {
    text-align: center;
    padding: var(--spacing-md);
}

.reviews__summary-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.reviews__summary-stars {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--spacing-xs);
}

.reviews__summary-count {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.reviews__summary-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.reviews__summary-bar {
    display: grid;
    grid-template-columns: 60px 1fr 40px;
    gap: var(--spacing-sm);
    align-items: center;
}

.reviews__summary-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.reviews__summary-progress {
    height: 8px;
    background-color: var(--color-border);
    border-radius: 4px;
    overflow: hidden;
}

.reviews__summary-fill {
    height: 100%;
    background-color: var(--color-star);
}

.reviews__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.review {
    padding: var(--spacing-lg);
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.review__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.review__stars {
    display: flex;
    gap: 4px;
}

.review__date {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.review__badge {
    padding: 4px 8px;
    background-color: var(--color-primary);
    color: var(--color-background);
    font-size: 0.75rem;
    border-radius: 4px;
}

.review__text {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
    font-style: italic;
}

.review__details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.review__detail {
    padding: 4px 8px;
    background-color: var(--color-background);
    border-radius: 4px;
}

.review__ratings {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.review__rating-item {
    display: flex;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
}

.review__rating-label {
    color: var(--color-text-light);
}

.review__rating-value {
    color: var(--color-star);
}

.review__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.review__source {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ===== Contact Section ===== */
.contact {
    background-color: var(--color-background-alt);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact__item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.contact__icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact__details {
    flex: 1;
}

.contact__title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.contact__text {
    color: var(--color-text-light);
    line-height: 1.6;
}

.contact__subtext {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: 4px;
}

.contact__link {
    color: var(--color-primary);
    font-weight: 600;
}

.contact__link:hover {
    text-decoration: underline;
}

.contact__hours {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact__hours-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.contact__hours-row:last-child {
    border-bottom: none;
}

.contact__day {
    font-weight: 600;
}

.contact__time {
    text-align: right;
    color: var(--color-text-light);
}

.contact__cta {
    margin-top: var(--spacing-md);
}

.contact__map {
    height: 100%;
    min-height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-container {
    width: 100%;
    height: 100%;
}

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

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__title {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-light);
}

.footer__subtitle {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer__text {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__link {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-primary-light);
}

.footer__contact-item {
    display: flex;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer__rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Media Queries ===== */
@media (max-width: 1023px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    .section-header__title {
        font-size: 2rem;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .about__content,
    .contact__content {
        grid-template-columns: 1fr;
    }

    .reviews__summary {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: var(--color-background);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .nav__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

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

    .nav__item {
        width: 100%;
        text-align: center;
    }

    .nav__cta {
        width: 100%;
        text-align: center;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1.25rem;
    }

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

    .btn {
        width: 100%;
    }

    .about__image-grid {
        grid-template-columns: 1fr;
    }

    .features__grid,
    .menu__categories {
        grid-template-columns: 1fr;
    }

    .gallery__grid {
        grid-template-columns: 1fr;
    }

    .review__ratings {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 479px) {
    html {
        font-size: 14px;
    }

    .hero {
        min-height: 500px;
    }

    .lightbox__prev,
    .lightbox__next {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}