/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    /* Colors - Thai Restaurant Theme */
    --color-primary: #d4272e;
    --color-primary-dark: #b01f25;
    --color-primary-light: #ff4a52;
    --color-secondary: #ffd700;
    --color-secondary-dark: #ccac00;

    --color-dark: #1a1a1a;
    --color-dark-alt: #2d2d2d;
    --color-light: #ffffff;
    --color-light-alt: #f8f9fa;
    --color-gray: #6c757d;
    --color-gray-light: #e9ecef;

    /* Typography */
    --font-primary: 'Georgia', 'Times New Roman', serif;
    --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Layout */
    --container-max-width: 1140px;
    --header-height: 70px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-secondary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-light);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

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

.section {
    padding: var(--spacing-3xl) 0;
}

.section--dark {
    background-color: var(--color-dark);
    color: var(--color-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: inherit;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    margin: 0 auto;
    border-radius: var(--radius-full);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.header.scrolled {
    background-color: rgba(26, 26, 26, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.nav__logo-text {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-light);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-light);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.nav__menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav__link {
    color: var(--color-light);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 80%;
}

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

/* ==========================================================================
   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;
    animation: zoomIn 20s ease-in-out infinite alternate;
}

@keyframes zoomIn {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 39, 46, 0.7), rgba(26, 26, 26, 0.8));
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-light);
    animation: fadeInUp 1s ease-out;
}

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

.hero__title {
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero__rating {
    margin-bottom: var(--spacing-xl);
}

.rating {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
}

.rating__stars {
    color: var(--color-secondary);
    font-size: var(--font-size-xl);
    letter-spacing: 2px;
}

.half-star {
    opacity: 0.5;
}

.rating__score {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.rating__count {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

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

.hero__scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-down {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-light);
    border-radius: var(--radius-xl);
    position: relative;
}

.scroll-down span {
    position: absolute;
    width: 4px;
    height: 10px;
    background-color: var(--color-light);
    border-radius: var(--radius-full);
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

.scroll-down span:first-child {
    top: 8px;
}

.scroll-down span:last-child {
    top: 18px;
    animation-delay: 0.3s;
}

@keyframes scroll {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

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

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-light);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

.about__description {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray);
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-light-alt), var(--color-light));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-card__icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.stat-card__value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-card__label {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    font-weight: var(--font-weight-medium);
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--color-dark-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(212, 39, 46, 0.2);
}

.feature-card__icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.feature-card__title {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-light);
}

.feature-card__description {
    color: var(--color-gray-light);
    line-height: 1.7;
}

/* ==========================================================================
   Dining Options Section
   ========================================================================== */
.dining-options__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.dining-card {
    background-color: var(--color-light-alt);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.dining-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.dining-card__icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.dining-card__title {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.dining-card__description {
    color: var(--color-gray);
    line-height: 1.7;
}

/* ==========================================================================
   Reviews Section
   ========================================================================== */
.reviews__summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    background-color: var(--color-dark-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.reviews__overall {
    text-align: center;
    padding: var(--spacing-lg);
}

.reviews__score {
    font-size: 5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary);
    line-height: 1;
}

.reviews__stars {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin: var(--spacing-sm) 0;
    letter-spacing: 4px;
}

.reviews__count {
    color: var(--color-gray-light);
    font-size: var(--font-size-base);
}

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

.rating-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.rating-bar__label {
    min-width: 50px;
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
}

.rating-bar__track {
    flex: 1;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.rating-bar__fill {
    height: 100%;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.rating-bar__count {
    min-width: 30px;
    text-align: right;
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
}

.reviews__list {
    display: grid;
    gap: var(--spacing-lg);
}

.review-card {
    background-color: var(--color-dark-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.review-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 5px 20px rgba(212, 39, 46, 0.2);
}

.review-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.review-stars {
    color: var(--color-secondary);
    font-size: var(--font-size-lg);
    letter-spacing: 2px;
}

.review-card__date {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
}

.review-card__text {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    color: var(--color-light);
    font-style: italic;
}

.review-card__translation {
    color: var(--color-gray-light);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

.review-card__detailed {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.detailed-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.detailed-rating__label {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
}

.detailed-rating__value {
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
}

.review-card__footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.review-card__source {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ==========================================================================
   Location Section
   ========================================================================== */
.location__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.location__info {
    display: grid;
    gap: var(--spacing-lg);
}

.info-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background-color: var(--color-light-alt);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.info-card__icon {
    font-size: var(--font-size-3xl);
    flex-shrink: 0;
}

.info-card__content {
    flex: 1;
}

.info-card__title {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.info-card__text {
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

.info-card__code {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    font-family: monospace;
    background-color: var(--color-gray-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    display: inline-block;
    margin-top: var(--spacing-xs);
}

.location__map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.location__map iframe {
    display: block;
}

/* ==========================================================================
   Nearby Section
   ========================================================================== */
.nearby__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.nearby-card {
    background-color: var(--color-dark-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.nearby-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-secondary);
}

.nearby-card__title {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--color-light);
}

.nearby-card__rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-light);
    text-align: center;
}

.cta__title {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.cta__text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

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

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.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-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.footer__text {
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-xs);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.footer__powered {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

/* ==========================================================================
   Animations & Utilities
   ========================================================================== */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Tablet */
@media (max-width: 1023px) {
    :root {
        --font-size-4xl: 2.5rem;
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.75rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .about__stats {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

/* Mobile */
@media (max-width: 767px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.5rem;
        --spacing-3xl: 4rem;
        --spacing-2xl: 3rem;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--color-dark);
        flex-direction: column;
        padding: var(--spacing-3xl) var(--spacing-lg);
        gap: var(--spacing-md);
        transition: var(--transition-base);
        box-shadow: var(--shadow-xl);
    }

    .nav__menu.active {
        right: 0;
    }

    .nav__toggle.active span:first-child {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active span:last-child {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero {
        min-height: 500px;
    }

    .hero__title {
        font-size: var(--font-size-3xl);
    }

    .hero__subtitle {
        font-size: var(--font-size-lg);
    }

    .hero__buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

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

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

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

    .location__map iframe {
        height: 300px;
    }

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

    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Print Styles */
@media print {
    .header,
    .hero__scroll,
    .cta,
    .nearby {
        display: none;
    }

    .section {
        page-break-inside: avoid;
    }
}