/* ============================================
   Style Thairapy — Design System
   Mobile-first responsive design
   ============================================ */

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

:root {
  /* Brand colors — warm, professional */
  --color-primary: #8B6F5E;       /* warm taupe */
  --color-primary-dark: #6B5548;
  --color-primary-light: #A8917F;
  --color-accent: #C9A96E;        /* warm gold */
  --color-accent-light: #DFC99A;
  --color-dark: #2C2420;          /* rich brown-black */
  --color-text: #3D3330;
  --color-text-light: #6B5F5A;
  --color-bg: #FDFBF9;            /* warm off-white */
  --color-bg-alt: #F5F0EB;
  --color-white: #FFFFFF;
  --color-border: #E8E0D8;
  --color-success: #5A8F5A;
  --color-star: #E8B84B;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent: 'Playfair Display', Georgia, serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 70px;
  --border-radius: 4px;
  --border-radius-lg: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(44, 36, 32, 0.08);
  --shadow-md: 0 4px 12px rgba(44, 36, 32, 0.1);
  --shadow-lg: 0 8px 24px rgba(44, 36, 32, 0.12);
}

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

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

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: 2rem; margin-bottom: var(--space-md); }
h2 { font-size: 1.6rem; margin-bottom: var(--space-md); }
h3 { font-size: 1.25rem; margin-bottom: var(--space-sm); }
h4 { font-size: 1.1rem; margin-bottom: var(--space-sm); }

p {
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section--alt {
  background-color: var(--color-bg-alt);
}

.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.text-light { color: var(--color-text-light); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
  text-decoration: none;
  line-height: 1;
}

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

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

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

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

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-dark);
  border-color: var(--color-accent);
}

.btn--accent:hover {
  background-color: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

/* --- Top Bar --- */
.top-bar {
  background-color: var(--color-dark);
  color: var(--color-bg);
  font-size: 0.85rem;
  padding: var(--space-xs) 0;
}

.top-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.top-bar a {
  color: var(--color-bg);
  transition: color 0.2s;
}

.top-bar a:hover {
  color: var(--color-accent);
}

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

.top-bar__social {
  display: flex;
  gap: var(--space-sm);
}

/* --- Navigation --- */
.nav {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
}

.nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.nav__brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-dark);
  font-weight: 700;
  letter-spacing: 0.02em;
}

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

.nav__links {
  display: none;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav__links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav__book {
  display: none;
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  transition: all 0.3s;
}

/* Mobile menu open state */
.nav--open .nav__links {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  padding: var(--space-md);
  box-shadow: var(--shadow-md);
  gap: 0;
}

.nav--open .nav__links li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.nav--open .nav__links li:last-child {
  border-bottom: none;
}

.nav--open .nav__toggle span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav--open .nav__toggle span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  background-color: var(--color-dark);
  color: var(--color-white);
  min-height: 60vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.4;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  width: 100%;
  padding: var(--space-2xl) var(--space-md);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-accent-light);
  margin-bottom: var(--space-lg);
  font-weight: 300;
}

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

/* --- Service Cards (homepage) --- */
.service-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.service-card__price {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

/* --- Service Menu (services page) --- */
.service-menu {
  margin: var(--space-lg) 0;
}

.service-category {
  margin-bottom: var(--space-xl);
}

.service-category__title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-dark);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: var(--space-md);
}

.service-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-sm) 0;
  border-bottom: 1px dotted var(--color-border);
}

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

.service-item__info {
  flex: 1;
  padding-right: var(--space-md);
}

.service-item__name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-dark);
}

.service-item__desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: var(--space-xs);
  line-height: 1.5;
}

.service-item__price {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1rem;
  white-space: nowrap;
}

/* --- About Preview (homepage) --- */
.about-preview {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

/* --- Brand Bar --- */
.brand-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  padding: var(--space-lg) 0;
}

.brand-bar__item {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-text-light);
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* --- Testimonials --- */
.testimonials {
  margin: var(--space-lg) 0;
}

.testimonial {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.testimonial__stars {
  color: var(--color-star);
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.testimonial__text {
  font-style: italic;
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.testimonial__author {
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* --- CTA Banner --- */
.cta-banner {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-banner .btn {
  background-color: var(--color-accent);
  color: var(--color-dark);
  border-color: var(--color-accent);
}

.cta-banner .btn:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.gallery-grid__item {
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 1;
}

.gallery-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.gallery-grid__item:hover img {
  transform: scale(1.05);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.contact-info__item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.contact-info__icon {
  font-size: 1.25rem;
  color: var(--color-primary);
  flex-shrink: 0;
  width: 1.5rem;
  text-align: center;
}

.contact-info__text a {
  color: var(--color-text);
  font-weight: 500;
}

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

.hours-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
}

.hours-table td {
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.hours-table td:first-child {
  font-weight: 600;
  color: var(--color-dark);
}

.map-embed {
  width: 100%;
  height: 300px;
  border: none;
  border-radius: var(--border-radius-lg);
}

/* --- Footer --- */
.footer {
  background-color: var(--color-dark);
  color: var(--color-bg);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer h4 {
  color: var(--color-accent);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer a {
  color: var(--color-bg);
}

.footer a:hover {
  color: var(--color-accent);
}

.footer__nav {
  list-style: none;
}

.footer__nav li {
  margin-bottom: var(--space-xs);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: var(--color-primary-light);
}

/* --- Page Header (inner pages) --- */
.page-header {
  background-color: var(--color-bg-alt);
  padding: var(--space-xl) 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  margin-bottom: var(--space-xs);
}

.page-header p {
  color: var(--color-text-light);
  font-size: 1.05rem;
  margin-bottom: 0;
}

/* --- Packages Section --- */
.packages {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.package-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.package-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
}

.package-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: var(--space-xs);
}

.package-card__price {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.package-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   Responsive — Tablet (768px+)
   ============================================ */
@media (min-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }

  .hero__title { font-size: 3.5rem; }
  .hero__subtitle { font-size: 1.3rem; }
  .hero { min-height: 70vh; }

  .nav__links {
    display: flex;
  }

  .nav__book {
    display: inline-block;
  }

  .nav__toggle {
    display: none;
  }

  .service-cards {
    grid-template-columns: repeat(4, 1fr);
  }

  .about-preview {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

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

  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .packages {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   Responsive — Desktop (1024px+)
   ============================================ */
@media (min-width: 1024px) {
  h1 { font-size: 3rem; }

  .hero__title { font-size: 4rem; }

  .container {
    padding: 0 var(--space-lg);
  }

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

  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .packages {
    grid-template-columns: repeat(3, 1fr);
  }
}