/* ============================================================
   PUNYARATANA COMPANY LIMITED — Design tokens
   Palette: warm teak & clay, grounded in Chonburi/Bang Lamung
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Chonburi&family=Trirong:wght@400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root{
  --sand: #EFE6D3;        /* page background — warm tan, not cream */
  --sand-deep: #E3D5B8;   /* section alt background */
  --cream: #FBF7EE;       /* card surface */
  --teak: #362317;        /* deep brown — nav, dark sections */
  --teak-2: #4A3220;      /* secondary dark brown */
  --clay: #B15A2E;        /* primary accent — terracotta roof tile */
  --clay-deep: #8F431E;   /* clay hover / borders */
  --bronze: #93643A;      /* secondary accent, dividers */
  --gold: #C79A56;        /* thin hairline / signature accent */
  --ink: #2B1B10;         /* body text */
  --ink-soft: #5C4A3B;    /* muted text on light */
  --paper-line: rgba(43,27,16,.12);

  --font-display: 'Chonburi', serif;
  --font-head: 'Trirong', serif;
  --font-body: 'Sarabun', sans-serif;

  --container: 1160px;
  --radius: 6px;
}

*, *::before, *::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}

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

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

h1,h2,h3,h4{
  font-family:var(--font-head);
  color:var(--teak);
  margin:0 0 .5em;
  line-height:1.3;
  font-weight:600;
}

p{ margin:0 0 1em; color:var(--ink-soft); }

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-size:.8rem;
  letter-spacing:.14em;
  color:var(--clay-deep);
  font-weight:600;
  text-transform:uppercase;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:22px; height:2px;
  background:var(--clay);
  display:inline-block;
}

/* ---------- Roofline signature divider ---------- */
.roofline{
  width:100%;
  display:block;
  color:var(--sand);
}
.roofline.flip{ transform:rotate(180deg); }
.roofline path{ fill: currentColor; }
.roofline.on-teak{ color:var(--teak); }
.roofline.on-sand{ color:var(--sand); }
.roofline.on-cream{ color:var(--cream); }

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:linear-gradient(180deg, var(--teak) 0%, var(--teak-2) 100%);
  border-bottom:1px solid rgba(199,154,86,.25);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 24px;
  max-width:var(--container);
  margin:0 auto;
}
.brand{
  display:flex; align-items:center; gap:12px;
  color:var(--sand);
}
.brand-mark{
  width:38px; height:38px; flex:none;
  color:var(--gold);
}
.brand-text .th{
  font-family:var(--font-display);
  font-size:1.15rem;
  color:var(--sand);
  letter-spacing:.02em;
  display:block;
}
.brand-text .en{
  font-family:var(--font-body);
  font-size:.68rem;
  letter-spacing:.16em;
  color:var(--gold);
  text-transform:uppercase;
  display:block;
  margin-top:2px;
}
.nav-links{
  display:flex; align-items:center; gap:8px;
  list-style:none; margin:0; padding:0;
}
.nav-links a{
  color:var(--sand);
  font-size:.95rem;
  padding:10px 16px;
  border-radius:999px;
  transition:background .2s ease, color .2s ease;
}
.nav-links a:hover, .nav-links a.active{
  background:rgba(199,154,86,.18);
  color:var(--gold);
}
.nav-toggle{
  display:none;
  background:none; border:1px solid rgba(199,154,86,.4);
  border-radius:8px;
  width:42px; height:38px;
  color:var(--sand);
  cursor:pointer;
}
.nav-toggle svg{ width:20px; height:20px; }

@media (max-width:860px){
  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:stretch;
    background:var(--teak);
    padding:10px 20px 18px;
    gap:2px;
    display:none;
    border-bottom:1px solid rgba(199,154,86,.25);
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ padding:12px 10px; }
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.55em;
  padding:13px 26px;
  border-radius:999px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:.95rem;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:var(--clay); color:var(--cream); }
.btn-primary:hover{ background:var(--clay-deep); }
.btn-ghost{ border-color:rgba(251,247,238,.5); color:var(--sand); }
.btn-ghost:hover{ background:rgba(251,247,238,.1); }
.btn-outline{ border-color:var(--clay); color:var(--clay-deep); }
.btn-outline:hover{ background:var(--clay); color:var(--cream); border-color:var(--clay); }

/* ---------- Hero ---------- */
.hero{
  background:var(--teak);
  color:var(--sand);
  position:relative;
  overflow:hidden;
}
.hero-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:64px 24px 88px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-family:var(--font-display);
  color:var(--sand);
  font-size:clamp(2.1rem, 4.2vw, 3.2rem);
  line-height:1.32;
  margin-bottom:.55em;
}
.hero h1 span{ color:var(--gold); }
.hero p.lead{
  color:#D8C6AC;
  font-size:1.08rem;
  max-width:46ch;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top:1.6em; }
.hero-figure{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.55);
  border:1px solid rgba(199,154,86,.3);
}
.hero-figure img{ width:100%; height:100%; object-fit:cover; aspect-ratio:4/5; }
.hero-tag{
  position:absolute; left:16px; bottom:16px;
  background:rgba(54,35,23,.82);
  backdrop-filter:blur(3px);
  color:var(--sand);
  padding:10px 16px;
  border-radius:8px;
  font-size:.82rem;
  border:1px solid rgba(199,154,86,.35);
}
@media (max-width:900px){
  .hero-inner{ grid-template-columns:1fr; padding-top:44px; }
  .hero-figure{ order:-1; max-width:420px; }
}

/* generic page banner (about/contact/privacy) */
.banner{
  position:relative;
  background:var(--teak);
  color:var(--sand);
  padding:70px 24px 92px;
  overflow:hidden;
}
.banner .container{ position:relative; z-index:2; }
.banner-bg{
  position:absolute; inset:0;
  object-fit:cover; width:100%; height:100%;
  opacity:.28;
}
.banner::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(54,35,23,.55), rgba(54,35,23,.92));
}
.banner h1{
  position:relative; z-index:2;
  font-family:var(--font-display);
  color:var(--sand);
  font-size:clamp(2rem, 3.6vw, 2.7rem);
}
.banner p{ position:relative; z-index:2; color:#DCCBAF; max-width:60ch; }

/* ---------- Sections ---------- */
section{ padding:78px 0; }
.section-alt{ background:var(--sand-deep); }
.section-head{ max-width:640px; margin-bottom:44px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size:clamp(1.6rem, 2.6vw, 2.1rem); }

/* ---------- Cards / grid ---------- */
.grid{ display:grid; gap:26px; }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:960px){
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:640px){
  .grid-4, .grid-3, .grid-2{ grid-template-columns:1fr; }
}

.card{
  background:var(--cream);
  border:1px solid var(--paper-line);
  border-radius:var(--radius);
  padding:30px 26px;
}
.card .icon{
  width:44px; height:44px;
  color:var(--clay);
  margin-bottom:16px;
}
.card h3{ font-size:1.12rem; margin-bottom:.5em; }
.card p{ margin-bottom:0; font-size:.96rem; }

/* process steps */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  counter-reset:step;
}
@media (max-width:900px){ .steps{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .steps{ grid-template-columns:1fr; } }
.step{
  position:relative;
  padding:0 22px 0 0;
  border-right:1px dashed var(--paper-line);
}
.steps .step:last-child{ border-right:none; padding-right:0; }
.step .num{
  font-family:var(--font-head);
  font-size:2.2rem;
  color:var(--clay);
  opacity:.9;
  display:block;
  margin-bottom:.2em;
}
.step h4{ font-size:1.02rem; margin-bottom:.4em; color:var(--teak); }
.step p{ font-size:.92rem; }

/* split media/text */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
@media (max-width:860px){ .split{ grid-template-columns:1fr; gap:32px; } }
.split img{ border-radius:var(--radius); }
.split-figure{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--paper-line); }

/* feature banner with image */
.feature{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  min-height:340px;
  display:flex; align-items:flex-end;
  color:var(--sand);
}
.feature img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.feature::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(30,19,12,.88) 5%, rgba(30,19,12,.15) 65%);
}
.feature-content{ position:relative; z-index:2; padding:38px; max-width:560px; }
.feature-content h3{ color:var(--sand); font-family:var(--font-head); font-size:1.5rem; }
.feature-content p{ color:#E4D4BB; }

/* pillars / values list (not numbered — no inherent sequence) */
.pillars{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
@media (max-width:860px){ .pillars{ grid-template-columns:1fr; } }
.pillar{ border-left:3px solid var(--clay); padding-left:18px; }
.pillar h4{ color:var(--teak); font-size:1.05rem; margin-bottom:.4em; }
.pillar p{ font-size:.94rem; }

/* CTA band */
.cta-band{
  background:var(--teak);
  color:var(--sand);
  text-align:center;
  padding:64px 24px;
}
.cta-band h2{ color:var(--sand); font-family:var(--font-display); font-size:clamp(1.5rem,3vw,2rem); }
.cta-band p{ color:#D8C6AC; max-width:52ch; margin:0 auto 1.6em; }
.cta-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* Contact info cards */
.contact-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
@media (max-width:960px){ .contact-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-card{
  background:var(--cream);
  border:1px solid var(--paper-line);
  border-radius:var(--radius);
  padding:26px 22px;
  text-align:left;
}
.contact-card .icon{ width:34px; height:34px; color:var(--clay); margin-bottom:14px; }
.contact-card h4{ font-size:.95rem; color:var(--teak); margin-bottom:.4em; letter-spacing:.02em; }
.contact-card p{ margin:0; font-size:.95rem; }
.contact-card a.link{ color:var(--clay-deep); font-weight:600; }
.contact-card a.link:hover{ text-decoration:underline; }

.map-frame{
  border:1px solid var(--paper-line);
  border-radius:var(--radius);
  overflow:hidden;
  margin-top:44px;
}
.map-frame iframe{ width:100%; height:380px; border:0; display:block; filter:grayscale(.15) sepia(.12); }

/* Policy content */
.policy h2{ margin-top:2em; font-size:1.3rem; }
.policy h2:first-of-type{ margin-top:0; }
.policy ul{ color:var(--ink-soft); padding-left:1.2em; }
.policy li{ margin-bottom:.5em; }
.policy-updated{
  display:inline-block;
  background:var(--sand-deep);
  border:1px solid var(--paper-line);
  padding:8px 16px;
  border-radius:999px;
  font-size:.85rem;
  color:var(--ink-soft);
  margin-bottom:2em;
}

/* ---------- Footer ---------- */
.site-footer{ background:var(--teak); color:#D8C6AC; }
.footer-top{
  max-width:var(--container); margin:0 auto;
  padding:56px 24px 40px;
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr;
  gap:40px;
}
@media (max-width:800px){ .footer-top{ grid-template-columns:1fr; gap:28px; } }
.footer-brand .th{
  font-family:var(--font-display);
  color:var(--sand);
  font-size:1.1rem;
}
.footer-brand p{ color:#C6B294; font-size:.92rem; margin-top:.8em; max-width:38ch; }
.footer-col h5{
  color:var(--gold);
  font-size:.8rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:1em;
}
.footer-col p, .footer-col a{ display:block; font-size:.92rem; color:#D8C6AC; margin-bottom:.6em; }
.footer-col a:hover{ color:var(--gold); }
.footer-bottom{
  border-top:1px solid rgba(199,154,86,.22);
  padding:20px 24px;
  text-align:center;
  font-size:.85rem;
  color:#B39A78;
}

/* skip link / focus */
a:focus-visible, button:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
}

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .btn{ transition:none; }
}