/* =========================================================
   GoTourHub — style.css
   โทนสีเทาอบอุ่น + ลายตราปั๊มพาสปอร์ต (passport stamp) เป็นลายเซ็นของเว็บ
   ========================================================= */

:root{
  --bg:        #F4F3F1;   /* พื้นหลังหลัก เทาอุ่น */
  --bg-alt:    #E8E7E3;   /* พื้นหลังสลับ section */
  --surface:   #FFFFFF;   /* การ์ด/พื้นผิว */
  --ink:       #2B2B29;   /* ตัวอักษรหลัก */
  --ink-soft:  #6E6D68;   /* ตัวอักษรรอง */
  --line:      #D6D4CE;   /* เส้นบาง ๆ */
  --accent:    #2F5D62;   /* เขียวอมฟ้าเข้ม — ทะเล/ท้องฟ้า */
  --accent-2:  #274F53;   /* เขียวอมฟ้าเข้มกว่า สำหรับ hover */
  --accent-soft:#DCE6E4;  /* พื้นอ่อนของ accent */
  --gold:      #A9824F;   /* ทองแบบตราปั๊ม ใช้แต่น้อย */
  --footer-bg: #24241F;
  --footer-ink:#C9C7C0;

  --font-display: 'Prompt', 'Sarabun', sans-serif;
  --font-body:    'Sarabun', 'Prompt', sans-serif;

  --radius: 6px;
  --shadow: 0 10px 30px -12px rgba(43,43,41,0.18);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  margin:0 0 .5em 0;
  font-weight:600;
  letter-spacing:.01em;
  color: var(--ink);
}
p{ margin:0 0 1em 0; }
.container{
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}
.eyebrow{
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  display:inline-block;
  margin-bottom: 14px;
}
.section{ padding: 92px 0; }
.section-alt{ background: var(--bg-alt); }
.section-head{
  max-width: 640px;
  margin-bottom: 52px;
}
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head p{ color: var(--ink-soft); font-size: 18px; }

/* ---------- buttons / links ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight:600;
  font-size:15px;
  letter-spacing:.02em;
  transition: all .2s ease;
  border: 1px solid transparent;
  cursor:pointer;
}
.btn-primary{
  background: var(--accent);
  color: #F4F3F1;
}
.btn-primary:hover{ background: var(--accent-2); }
.btn-ghost{
  background: transparent;
  color: var(--surface);
  border-color: rgba(255,255,255,.55);
}
.btn-ghost:hover{ background: rgba(255,255,255,.12); }
.btn-line{
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}
.btn-line:hover{ border-color: var(--accent); color: var(--accent); }

/* ---------- header / nav ---------- */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(244,243,241,.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1160px;
  margin:0 auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-display);
  font-weight:700;
  font-size: 21px;
  letter-spacing:.01em;
}
.brand-mark{
  width:34px; height:34px;
  border-radius:50%;
  border:1.5px dashed var(--accent);
  display:flex; align-items:center; justify-content:center;
  color: var(--accent);
  font-size:14px;
  transform: rotate(-8deg);
  flex-shrink:0;
}
.nav-links{
  display:flex;
  gap: 36px;
  list-style:none;
  margin:0; padding:0;
  font-family: var(--font-display);
  font-size:15px;
  font-weight:500;
}
.nav-links a{
  color: var(--ink-soft);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover,
.nav-links a.active{
  color: var(--ink);
  border-color: var(--accent);
}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding: 6px;
}
.nav-toggle span{
  width:24px; height:2px; background:var(--ink);
}

/* ---------- hero (home) ---------- */
.hero{
  position:relative;
  min-height: 88vh;
  display:flex;
  align-items:flex-end;
  color:#F4F3F1;
  overflow:hidden;
}
.hero img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  z-index:0;
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(24,26,24,.25) 0%, rgba(20,22,20,.55) 65%, rgba(16,18,16,.82) 100%);
  z-index:1;
}
.hero-content{
  position:relative;
  z-index:2;
  padding: 60px 24px 72px;
  max-width: 1160px;
  margin:0 auto;
  width:100%;
}
.hero-content .eyebrow{ color:#D9C79A; }
.hero-content h1{
  font-size: clamp(34px, 5.2vw, 58px);
  max-width: 780px;
  color:#fff;
  line-height:1.15;
}
.hero-content .lead{
  max-width: 560px;
  font-size: 18px;
  color: rgba(244,243,241,.86);
}
.hero-actions{
  display:flex; gap:16px; margin-top: 28px; flex-wrap:wrap;
}

/* ---------- page banner (inner pages) ---------- */
.page-banner{
  position:relative;
  min-height: 46vh;
  display:flex;
  align-items:flex-end;
  color:#fff;
  overflow:hidden;
}
.page-banner img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:0;
}
.page-banner::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(24,26,24,.35) 0%, rgba(18,20,18,.78) 100%);
  z-index:1;
}
.page-banner-content{
  position:relative; z-index:2;
  padding: 48px 24px 56px;
  max-width:1160px; margin:0 auto; width:100%;
}
.page-banner-content h1{ color:#fff; font-size: clamp(30px,4vw,44px); }
.breadcrumb{
  font-family: var(--font-display);
  font-size:13px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color: rgba(255,255,255,.75);
}

/* ---------- stamp badge (signature element) ---------- */
.stamp{
  width: 108px; height:108px;
  border-radius:50%;
  border: 1.5px dashed var(--accent);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight:700;
  font-size:11px;
  letter-spacing:.09em;
  text-transform:uppercase;
  line-height:1.4;
  transform: rotate(-7deg);
  flex-shrink:0;
  background: var(--accent-soft);
}
.stamp span{ display:block; }
.stamp .stamp-big{
  font-size:18px;
  font-weight:800;
  letter-spacing:0;
  margin: 2px 0;
}

/* ---------- service cards ---------- */
.grid{
  display:grid;
  gap: 28px;
}
.grid-4{ grid-template-columns: repeat(4,1fr); }
.grid-3{ grid-template-columns: repeat(3,1fr); }
.grid-2{ grid-template-columns: repeat(2,1fr); }

.card{
  background: var(--surface);
  border-radius: var(--radius);
  overflow:hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover{ transform: translateY(-4px); }
.card-img{ height: 190px; overflow:hidden; }
.card-img img{ width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.card:hover .card-img img{ transform: scale(1.06); }
.card-body{ padding: 24px; }
.card-body h3{ font-size:19px; margin-bottom:8px; }
.card-body p{ color: var(--ink-soft); font-size:15.5px; margin-bottom:0; }

/* ---------- destination gallery ---------- */
.dest-grid{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  grid-template-rows: 240px 240px;
  gap: 18px;
}
.dest-item{
  position:relative;
  border-radius: var(--radius);
  overflow:hidden;
}
.dest-item:first-child{ grid-row: 1 / 3; }
.dest-item img{ width:100%; height:100%; object-fit:cover; }
.dest-item::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(20,20,18,.72) 100%);
}
.dest-label{
  position:absolute; left:18px; bottom:16px; z-index:2;
  color:#fff; font-family: var(--font-display); font-weight:600; font-size:17px;
}
.dest-label small{
  display:block; font-weight:400; font-size:12.5px; opacity:.8; letter-spacing:.06em; text-transform:uppercase; margin-top:2px;
}

/* ---------- trust / values row ---------- */
.trust-row{
  display:flex;
  gap: 32px;
  flex-wrap:wrap;
  justify-content:center;
}
.trust-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
  max-width: 220px;
  text-align:center;
}
.trust-item h4{ font-size:16px; margin-bottom:6px; }
.trust-item p{ color: var(--ink-soft); font-size:14.5px; }

/* ---------- split section (about) ---------- */
.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items:center;
}
.split img{ border-radius: var(--radius); box-shadow: var(--shadow); }
.split-text .eyebrow{ margin-bottom:10px; }

/* ---------- contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap: 24px;
}
.contact-card{
  background: var(--surface);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align:center;
}
.contact-card .stamp{ margin: 0 auto 18px; width:80px; height:80px; font-size:9.5px; }
.contact-card h3{ font-size:16px; }
.contact-card p{ color: var(--ink-soft); font-size:14.5px; margin-bottom:0; }
.map-wrap{
  border-radius: var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  margin-top: 48px;
}
.map-wrap iframe{ width:100%; height: 380px; border:0; display:block; }

/* ---------- CTA strip ---------- */
.cta-strip{
  background: var(--accent);
  color:#F4F3F1;
  border-radius: var(--radius);
  padding: 52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 32px;
  flex-wrap:wrap;
}
.cta-strip h2{ color:#fff; margin-bottom:8px; font-size:28px; }
.cta-strip p{ color: rgba(244,243,241,.82); margin-bottom:0; }
.cta-actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* ---------- policy content ---------- */
.policy-content h2{
  font-size: 22px;
  margin-top: 44px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.policy-content h2:first-child{ border-top:none; margin-top:0; padding-top:0; }
.policy-content p, .policy-content li{ color: var(--ink-soft); font-size:16px; }
.policy-content ul{ padding-left: 22px; }
.policy-meta{
  display:inline-block;
  font-size:13.5px;
  color: var(--ink-soft);
  background: var(--bg-alt);
  border:1px solid var(--line);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 32px;
}

/* ---------- footer ---------- */
.site-footer{
  background: var(--footer-bg);
  color: var(--footer-ink);
  padding: 64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{ color:#fff; margin-bottom: 14px; }
.footer-brand p{ color: var(--footer-ink); font-size:14.5px; max-width: 320px; }
.footer-col h4{
  color:#fff;
  font-size:14px;
  text-transform:uppercase;
  letter-spacing:.1em;
  margin-bottom: 18px;
}
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px; font-size:14.5px; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap: 12px;
  padding-top: 24px;
  font-size:13.5px;
  color: rgba(201,199,192,.7);
}

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .grid-4{ grid-template-columns: repeat(2,1fr); }
  .grid-3{ grid-template-columns: 1fr 1fr; }
  .contact-grid{ grid-template-columns: 1fr 1fr; }
  .split{ grid-template-columns: 1fr; }
  .dest-grid{ grid-template-columns: 1fr 1fr; grid-template-rows: 220px 220px 220px; }
  .dest-item:first-child{ grid-row: auto; grid-column: 1 / 3; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background: var(--bg);
    flex-direction:column;
    gap:0;
    border-bottom: 1px solid var(--line);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ padding: 16px 24px; border-bottom:1px solid var(--line); width:100%; }
  .nav-toggle{ display:flex; }
  .grid-4, .grid-3, .grid-2, .contact-grid{ grid-template-columns: 1fr; }
  .section{ padding: 64px 0; }
  .cta-strip{ padding: 36px 24px; }
  .footer-grid{ grid-template-columns: 1fr; }
  .dest-grid{ grid-template-columns: 1fr; grid-template-rows: repeat(4, 220px); }
  .dest-item:first-child{ grid-column: auto; }
}

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