/* ==========================================================================
   THE GLEAM CLINIC — STYLE.CSS
   โทนสี: ขาว / ดำ / ทอง — ดีไซน์เรียบหรู คลีน
   ========================================================================== */

:root{
  --color-bg:        #FFFFFF;
  --color-surface:   #F7F3EA;
  --color-ink:       #17140F;
  --color-ink-soft:  #57503F;
  --color-gold:      #A9813F;
  --color-gold-deep: #8A6A30;
  --color-line:      #E7E0CF;
  --radius: 2px;
  --max-width: 1180px;
  --gap: 24px;

  /* ฟอนต์เริ่มต้น (ภาษาไทย) — ไม่โหลดจากภายนอกเพื่อความเร็ว */
  --font-display: "Sukhumvit Set", "Leelawadee UI", "Noto Sans Thai", "Segoe UI", sans-serif;
  --font-body:    "Leelawadee UI", "Noto Sans Thai", "Segoe UI", sans-serif;
}

/* ปรับฟอนต์ตามภาษาที่เลือก */
html[lang="en"]{
  --font-display: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --font-body: Georgia, "Times New Roman", serif;
}
html[lang="zh"]{
  --font-display: "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", sans-serif;
}
html[lang="ar"]{
  --font-display: "Dubai", "Segoe UI", Tahoma, sans-serif;
  --font-body: "Dubai", "Segoe UI", Tahoma, sans-serif;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a{ color: inherit; text-decoration: none; }

h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 16px;
  letter-spacing: 0.01em;
}

h1{ font-size: clamp(2rem, 4vw, 3rem); font-weight: 500; }
h2{ font-size: clamp(1.5rem, 3vw, 2.1rem); text-align: center; margin-bottom: 40px; }
h3{ font-size: 1.15rem; }

p{ margin: 0 0 14px; color: var(--color-ink-soft); max-width: 62ch; }

section{ padding: 88px 24px; }
section > h2{ margin-left: auto; margin-right: auto; }

.disclaimer{
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin: 24px auto 0;
}

/* Focus visibility สำหรับ Accessibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation: none !important; transition: none !important; }
}

/* ==========================================================================
   ปุ่ม
   ========================================================================== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--color-ink);
  color: #fff;
  border-color: var(--color-ink);
}
.btn-primary:hover{ background: var(--color-gold-deep); border-color: var(--color-gold-deep); }

.btn-ghost{
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn-ghost:hover{ background: var(--color-ink); color: #fff; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner{
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 20px;
}

.logo{ display: flex; align-items: center; gap: 10px; }
.logo-mark{
  width: 38px; height: 38px;
  border: 1px solid var(--color-gold);
  color: var(--color-gold-deep);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  border-radius: 50%;
  flex-shrink: 0;
}
.logo-img{
  height: 44px;
  width: auto;
  display: block;
}
.logo-text{
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.03em;
  color: var(--color-ink);
}

.main-nav{ flex: 1; display: flex; justify-content: center; }
.nav-menu{
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0; padding: 0;
  font-size: 0.94rem;
}
.nav-menu li + li{ margin-left: 30px; } /* fallback สำหรับเบราว์เซอร์เก่าที่ไม่รองรับ flex gap */
.nav-menu.open li + li{ margin-left: 0; }
.nav-menu a{ position: relative; padding: 4px 0; }
.nav-menu a::after{
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.nav-menu a:hover::after{ transform: scaleX(1); }

.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 8px;
}
.nav-toggle span{ width: 22px; height: 1.5px; background: var(--color-ink); }

.header-actions{ display: flex; align-items: center; gap: 16px; }

/* เมนูเปลี่ยนภาษา */
.lang-switch{ position: relative; }
.lang-current{
  display: flex; align-items: center; gap: 6px;
  background: none;
  border: 1px solid var(--color-line);
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--color-ink);
}
.lang-menu{
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border: 1px solid var(--color-line);
  list-style: none;
  margin: 0; padding: 6px 0;
  min-width: 130px;
  display: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
html[dir="rtl"] .lang-menu{ right: auto; left: 0; }
.lang-menu.open{ display: block; }
.lang-menu li{
  padding: 9px 16px;
  font-size: 0.9rem;
  cursor: pointer;
}
.lang-menu li:hover{ background: var(--color-surface); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position: relative;
  width: 100%;
  min-height: 640px;
  padding: 0;
  display: flex;
  align-items: center;
  background-image: url('images/hero-cover.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}
.hero-overlay{
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(115deg, rgba(15,13,9,0.82) 0%, rgba(15,13,9,0.62) 38%, rgba(15,13,9,0.25) 65%, rgba(15,13,9,0.08) 100%);
}
.hero-inner{
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 96px 24px;
  color: #fff;
}
.hero-eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-gold);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero-eyebrow::before{
  content: "";
  width: 32px;
  height: 1px;
  background: var(--color-gold);
}
.hero-inner h1{
  color: #fff;
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.hero-inner p{
  color: #F1EEE4;
  font-size: 1.08rem;
  max-width: 46ch;
  text-shadow: 0 1px 10px rgba(0,0,0,0.4);
}
.hero-actions{ display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
.hero .btn{ padding: 15px 32px; }
.hero .btn-ghost{
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.hero .btn-ghost:hover{ background: #fff; color: var(--color-ink); border-color: #fff; }

/* ==========================================================================
   Placeholder รูปภาพ (แทนที่ด้วย <img> จริงภายหลัง)
   ========================================================================== */
.image-placeholder{
  background: var(--color-surface);
  border: 1px dashed var(--color-gold);
  color: var(--color-ink-soft);
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  font-size: 0.85rem;
  aspect-ratio: 4 / 3;
  padding: 20px;
}
.image-placeholder.small{ aspect-ratio: 16 / 11; margin-bottom: 18px; }
.image-placeholder.round{
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  max-width: 180px;
  margin: 0 auto 18px;
}
.map-placeholder{
  background: var(--color-surface);
  border: 1px dashed var(--color-line);
  aspect-ratio: 16 / 9;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  margin: 16px 0;
}
.branch-map{
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
  margin: 16px 0;
  filter: grayscale(8%);
}

/* ==========================================================================
   จุดเด่นของคลินิก
   ========================================================================== */
.highlights{ background: var(--color-surface); padding: 64px 24px; }
.highlight-grid{
  max-width: var(--max-width);
  margin: 0 auto;
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}
.highlight-grid li{
  border-top: 1px solid var(--color-gold);
  padding-top: 18px;
}
.highlight-grid p{ font-size: 0.92rem; margin: 0; }

/* ==========================================================================
   โปรแกรม / ทีมแพทย์ (การ์ดกริด)
   ========================================================================== */
.programs, .doctors, .branches, .reviews, .contact{
  max-width: var(--max-width);
  margin: 0 auto;
}

.program-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}

.program-card{
  border: 1px solid var(--color-line);
  padding: 20px;
}
.program-card p{ font-size: 0.92rem; }
.program-img{
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  margin-bottom: 18px;
}
.link-more{
  display: inline-block;
  margin-top: 6px;
  color: var(--color-gold-deep);
  border-bottom: 1px solid var(--color-gold-deep);
  font-size: 0.9rem;
}

/* ทีมแพทย์ — เลย์เอาต์แบบเน้นแสดงประวัติเต็ม ไม่ต้องกดดูเพิ่มเติม */
.doctor-list{
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.doctor-feature{
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: start;
  border: 1px solid var(--color-line);
  padding: 40px;
}
.doctor-feature:nth-child(even){
  grid-template-columns: 1fr 320px;
}
.doctor-feature:nth-child(even) .doctor-feature-media{ order: 2; }
.doctor-feature:nth-child(even) .doctor-feature-body{ order: 1; }

.doctor-feature-media img{
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
}

.doctor-feature-body h3{
  font-size: 1.5rem;
  margin-bottom: 6px;
}
.doctor-fullname{
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  margin-bottom: 14px;
}
.doctor-badge{
  display: inline-block;
  border: 1px solid var(--color-gold);
  color: var(--color-gold-deep);
  font-size: 0.82rem;
  padding: 6px 16px;
  margin-bottom: 20px;
}
.doctor-bullets{
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.doctor-bullets li{
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  padding: 10px 0 10px 20px;
  border-top: 1px solid var(--color-line);
  position: relative;
}
.doctor-bullets li::before{
  content: "";
  position: absolute;
  left: 0; top: 19px;
  width: 6px; height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
}
html[dir="rtl"] .doctor-bullets li{ padding: 10px 20px 10px 0; }
html[dir="rtl"] .doctor-bullets li::before{ left: auto; right: 0; }

.doctor-credentials{
  padding-top: 20px;
  border-top: 1px solid var(--color-gold);
}
.doctor-credentials h4{
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 14px;
}
.doctor-credentials ul{
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 2;
  column-gap: 32px;
}
.doctor-credentials li{
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  line-height: 1.55;
  padding: 9px 0 9px 16px;
  border-top: 1px solid var(--color-line);
  position: relative;
  break-inside: avoid;
}
.doctor-credentials li:first-child{ border-top: none; padding-top: 0; }
.doctor-credentials li::before{
  content: "";
  position: absolute;
  left: 0; top: 18px;
  width: 4px; height: 4px;
  background: var(--color-gold);
  border-radius: 50%;
}
html[dir="rtl"] .doctor-credentials li{ padding: 9px 16px 9px 0; }
html[dir="rtl"] .doctor-credentials li::before{ left: auto; right: 0; }

/* ==========================================================================
   รีวิว — อัลบั้มแยกหมวดหมู่
   ========================================================================== */
.reviews-hint{
  text-align: center;
  margin: -20px auto 32px;
  font-size: 0.9rem;
  color: var(--color-ink-soft);
}
.album-grid{
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--gap);
}
.album-cover{
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--color-line);
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  background: none;
  font: inherit;
}
.album-cover img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.album-cover:hover img{ transform: scale(1.06); }
.album-cover-label{
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 22px 14px 16px;
  background: linear-gradient(180deg, rgba(23,20,15,0) 0%, rgba(23,20,15,0.72) 100%);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.98rem;
  text-align: center;
}

/* Modal */
.album-modal{
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.album-modal[hidden]{ display: none; }
.album-modal-backdrop{
  position: absolute;
  inset: 0;
  background: rgba(23,20,15,0.72);
}
.album-modal-panel{
  position: relative;
  z-index: 1;
  background: #fff;
  max-width: 860px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 40px;
}
.album-modal-panel h3{
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 24px;
  padding-right: 30px;
}
.album-modal-close{
  position: absolute;
  top: 16px; right: 16px;
  width: 36px; height: 36px;
  background: none;
  border: 1px solid var(--color-line);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-ink);
}
.album-modal-close:hover{ background: var(--color-ink); color: #fff; border-color: var(--color-ink); }
.album-modal-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.album-modal-grid img{
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--color-line);
}
.album-modal-empty{
  text-align: center;
  color: var(--color-ink-soft);
  padding: 40px 0;
}

/* ==========================================================================
   สาขา
   ========================================================================== */
.branch-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.branch-card{
  border: 1px solid var(--color-line);
  padding: 24px;
}
.branch-card p{ font-size: 0.92rem; }
.branch-actions{ display: flex; gap: 12px; margin-top: 12px; flex-wrap: wrap; }
.branch-actions .btn{ padding: 10px 18px; font-size: 0.85rem; }

/* ==========================================================================
   ติดต่อ
   ========================================================================== */
.contact{ text-align: center; }
.contact-channels{
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}
.channel-link{
  border: 1px solid var(--color-line);
  padding: 10px 22px;
  font-size: 0.9rem;
}
.channel-link:hover{ border-color: var(--color-gold); color: var(--color-gold-deep); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{
  background: var(--color-ink);
  color: #E9E4D6;
  padding: 56px 24px 28px;
}
.footer-inner{
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
}
.footer-brand .logo-text{ color: #fff; }
.footer-brand p{ color: #C9C2AC; font-size: 0.9rem; }
.footer-links a{ font-size: 0.9rem; color: #C9C2AC; }
.footer-links a:hover{ color: var(--color-gold); }
.footer-copyright{
  width: 100%;
  text-align: center;
  font-size: 0.8rem;
  color: #8F886F;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* ==========================================================================
   ปุ่มติดต่อลอย
   ========================================================================== */
.floating-contacts{
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
html[dir="rtl"] .floating-contacts{ right: auto; left: 22px; align-items: flex-start; }

.float-btn{
  display: flex; align-items: center; justify-content: center;
  min-width: 56px; height: 56px;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 6px 18px rgba(0,0,0,0.18);
}
.float-btn[hidden]{ display: none; }
.float-line{ background: #06C755; }
.float-whatsapp{ background: #25D366; }
.float-wechat{ background: #7BB32E; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px){
  .highlight-grid{ grid-template-columns: repeat(2, 1fr); }
  .program-grid{ grid-template-columns: repeat(2, 1fr); }
  .branch-grid{ grid-template-columns: repeat(2, 1fr); }
  .album-grid{ grid-template-columns: repeat(3, 1fr); }
  .doctor-feature, .doctor-feature:nth-child(even){
    grid-template-columns: 240px 1fr;
    gap: 32px;
    padding: 28px;
  }
  .hero{ min-height: 480px; }
}

@media (max-width: 720px){
  .nav-toggle{ display: flex; }
  .main-nav{ position: absolute; top: 100%; left: 0; right: 0; }
  .nav-menu{
    display: none;
    flex-direction: column;
    background: #fff;
    border-bottom: 1px solid var(--color-line);
    padding: 16px 24px;
    gap: 16px;
  }
  .nav-menu.open{ display: flex; }
  .header-actions{ gap: 10px; }
  .header-actions .btn{ padding: 10px 16px; font-size: 0.85rem; }

  .branch-grid{ grid-template-columns: 1fr; }
  .album-grid{ grid-template-columns: repeat(2, 1fr); }
  .album-modal-panel{ padding: 28px 20px; }
  .album-modal-grid{ grid-template-columns: 1fr; }
  .highlight-grid{ grid-template-columns: 1fr; }
  .program-grid{ grid-template-columns: 1fr; }
  .doctor-feature, .doctor-feature:nth-child(even){
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px;
  }
  .doctor-feature:nth-child(even) .doctor-feature-media{ order: 0; }
  .doctor-feature:nth-child(even) .doctor-feature-body{ order: 0; }
  .doctor-feature-media img{ aspect-ratio: 4 / 3; max-width: 260px; margin: 0 auto; }
  .doctor-credentials ul{ columns: 1; }
  section{ padding: 56px 20px; }
  .hero{
    min-height: 440px;
    background-size: cover;
    background-position: center;
  }
  .hero-inner{ padding: 56px 20px; }
}