/* ===================================
   CSS VARIABLES
   =================================== */
:root {
    /* Colors - Thai-inspired warm palette */
    --primary-color: #D32F2F;
    --primary-dark: #B71C1C;
    --primary-light: #FF6659;
    --secondary-color: #FFB300;
    --secondary-dark: #FF8F00;
    --accent-color: #00897B;

    --text-primary: #212121;
    --text-secondary: #757575;
    --text-light: #FFFFFF;

    --bg-primary: #FFFFFF;
    --bg-secondary: #FAFAFA;
    --bg-dark: #1a1a1a;

    --border-color: #E0E0E0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);

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

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

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

    /* Container */
    --container-max: 1140px;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

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

a:hover {
    color: var(--primary-color);
}

ul {
    list-style: none;
}

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

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

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

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

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

/* ===================================
   NAVIGATION
   =================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 1);
    box-shadow: var(--shadow-md);
}

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

.nav__logo {
    flex-shrink: 0;
}

.nav__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
}

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

.nav__link {
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

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

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

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.nav__toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: transform var(--transition-fast);
}

/* ===================================
   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: 0;
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: zoomIn 20s ease infinite alternate;
}

@keyframes zoomIn {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.8), rgba(255, 179, 0, 0.6));
}

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

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

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero__subtitle {
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

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

.rating-stars {
    display: flex;
    gap: 0.25rem;
}

.star {
    font-size: 1.5rem;
    color: #ccc;
}

.star.filled {
    color: var(--secondary-color);
}

.rating-text {
    font-size: 1.1rem;
    font-weight: 500;
}

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

.btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition-normal);
    display: inline-block;
}

.btn--primary {
    background: var(--secondary-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

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

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

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

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--bg-primary);
}

.about__text {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: center;
    color: var(--text-secondary);
}

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

.feature {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 12px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

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

.feature__title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
}

.feature__text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.info-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
    transition: border-color var(--transition-normal);
}

.info-card:hover {
    border-color: var(--primary-color);
}

.info-card__title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.info-card__list {
    list-style: none;
}

.info-card__list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.info-card__list li:last-child {
    border-bottom: none;
}

/* ===================================
   GALLERY SECTION
   =================================== */
.gallery {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

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

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.gallery__item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    aspect-ratio: 4/3;
    cursor: pointer;
    transition: transform var(--transition-normal);
}

.gallery__item:hover {
    transform: scale(1.02);
}

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

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

.gallery__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(211, 47, 47, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.gallery__icon {
    font-size: 3rem;
    color: var(--text-light);
}

.gallery__item.hidden {
    display: none;
}

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

.lightbox.active {
    display: flex;
}

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

.lightbox__close,
.lightbox__prev,
.lightbox__next {
    position: absolute;
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    border: none;
    font-size: 2rem;
    padding: 1rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lightbox__close {
    top: 20px;
    right: 20px;
    font-size: 3rem;
}

.lightbox__prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox__next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

/* ===================================
   REVIEWS SECTION
   =================================== */
.reviews {
    padding: var(--spacing-xl) 0;
    background: var(--bg-primary);
}

.reviews__summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: 12px;
}

.reviews__score {
    text-align: center;
}

.reviews__number {
    font-size: 4rem;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1;
}

.rating-stars--large .star {
    font-size: 2rem;
}

.reviews__count {
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

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

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

.distribution-bar__label {
    min-width: 60px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.distribution-bar__track {
    flex: 1;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.distribution-bar__fill {
    height: 100%;
    background: var(--secondary-color);
    transition: width var(--transition-slow);
}

.distribution-bar__count {
    min-width: 30px;
    text-align: right;
    font-weight: 600;
    color: var(--text-secondary);
}

.reviews__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.review-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

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

.review-card__date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.review-card__badge {
    background: var(--accent-color);
    color: var(--text-light);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.review-card__context {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.review-card__tag {
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.review-card__details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

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

.detail-rating__label {
    min-width: 100px;
    font-weight: 600;
    color: var(--text-secondary);
}

.rating-stars--small .star {
    font-size: 1rem;
}

.review-card__footer {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.review-card__source {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

.contact__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

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

.contact__card {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.contact__card-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.contact__card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact__link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 600;
    transition: transform var(--transition-fast);
}

.contact__link:hover {
    transform: translateX(5px);
}

.contact__phone {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.hours-item:last-child {
    border-bottom: none;
}

.hours-day {
    font-weight: 600;
    color: var(--text-primary);
}

.hours-time {
    color: var(--text-secondary);
}

.contact__map {
    min-height: 400px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

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

.footer__text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-sm);
}

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

.footer__subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.footer__list li {
    padding: 0.5rem 0;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-light);
    border-radius: 50%;
    font-size: 1.5rem;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    z-index: 999;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

.scroll-top.visible {
    display: flex;
}

/* ===================================
   ANIMATIONS
   =================================== */
.fade-in {
    animation: fadeIn 0.6s ease;
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

    .gallery__grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* ===================================
   RESPONSIVE - MOBILE
   =================================== */
@media (max-width: 767px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .nav__menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

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

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero {
        min-height: 500px;
    }

    .hero__buttons {
        flex-direction: column;
    }

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

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

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

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

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

    .lightbox__prev,
    .lightbox__next {
        font-size: 1.5rem;
        padding: 0.5rem;
    }

    .scroll-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
    }
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
    .nav,
    .hero__buttons,
    .scroll-top,
    .lightbox {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .section-title {
        page-break-after: avoid;
    }
}