/* ============================================================
   RNG FURNITURE — stylesheet
   Signature: "grain meets grid" — wood-grain curves resolving
   into ruled steel lines with rivets, echoing the brand's two
   materials (Sheesham wood + steel) since 1962.
   ============================================================ */

:root{
  --ink:        #211A16;
  --ink-soft:   #4A3E36;
  --steel:      #55606B;
  --steel-dark: #333B43;
  --sheesham:   #8B4A2B;
  --sheesham-dark: #6B3820;
  --brass:      #B08D3E;
  --paper:      #EFE9DC;
  --paper-2:    #E4DCC9;
  --paper-3:    #D9CEB4;
  --cream:      #F7F3E9;

  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --body:    "Work Sans", "Helvetica Neue", Arial, sans-serif;
  --mono:    "IBM Plex Mono", "Courier New", monospace;

  --max: 1200px;
  --radius: 2px;
}

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

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
:focus-visible{ outline:2px solid var(--brass); outline-offset:3px; }

.wrap{ max-width:var(--max); margin:0 auto; padding:0 28px; }

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:600;
  letter-spacing:-0.01em;
  margin:0 0 0.4em;
  color:var(--ink);
}
h1{ font-size:clamp(2.6rem, 6vw, 4.6rem); line-height:1.02; font-weight:560; }
h2{ font-size:clamp(1.7rem, 3.4vw, 2.5rem); line-height:1.1; }
h3{ font-size:1.25rem; line-height:1.25; }
p{ margin:0 0 1em; color:var(--ink-soft); }

.eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--sheesham-dark);
  display:flex; align-items:center; gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px; background:var(--sheesham-dark);
  display:inline-block;
}

/* ---------------- header ---------------- */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(239,233,220,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--paper-3);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px;
  max-width:var(--max); margin:0 auto;
}
.logo{
  display:flex; flex-direction:column; line-height:1;
  font-family:var(--display); font-weight:700;
}
.logo .mark{ font-size:1.5rem; letter-spacing:0.02em; color:var(--ink); }
.logo .sub{
  font-family:var(--mono); font-size:0.6rem; letter-spacing:0.18em;
  color:var(--steel); margin-top:3px; text-transform:uppercase;
}
nav.links{ display:flex; gap:34px; align-items:center; }
nav.links a{
  font-size:0.92rem; font-weight:500; color:var(--ink-soft);
  position:relative; padding:4px 0;
}
nav.links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background:var(--sheesham); transition:right .25s ease;
}
nav.links a:hover::after, nav.links a[aria-current="page"]::after{ right:0; }
nav.links a[aria-current="page"]{ color:var(--ink); }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 22px;
  font-family:var(--body); font-weight:600; font-size:0.92rem;
  border-radius:var(--radius);
  border:1px solid var(--ink);
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, color .18s ease;
}
.btn-primary{ background:var(--ink); color:var(--cream); }
.btn-primary:hover{ background:var(--sheesham-dark); border-color:var(--sheesham-dark); transform:translateY(-1px); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--ink-soft); }
.btn-ghost:hover{ background:var(--ink); color:var(--cream); transform:translateY(-1px); }
.btn-sm{ padding:9px 16px; font-size:0.82rem; }

.nav-toggle{ display:none; background:none; border:1px solid var(--ink); border-radius:var(--radius); width:40px; height:36px; cursor:pointer; }
.nav-toggle span{ display:block; width:18px; height:2px; background:var(--ink); margin:4px auto; }

/* ---------------- hero ---------------- */
.hero{
  position:relative;
  display:grid; grid-template-columns:1fr 1fr;
  min-height:78vh;
  overflow:hidden;
}
.hero .half{ position:relative; }
.hero .steel-side{
  background:
    repeating-linear-gradient(180deg, transparent 0 34px, rgba(255,255,255,0.05) 34px 35px),
    linear-gradient(155deg, var(--steel-dark), var(--steel));
}
.hero .wood-side{
  background:
    repeating-radial-gradient(ellipse at -20% 50%, rgba(0,0,0,0.05) 0 2px, transparent 2px 14px),
    linear-gradient(200deg, var(--sheesham), var(--sheesham-dark));
}
.hero .rivets{ position:absolute; inset:0; opacity:.35; pointer-events:none; }
.hero-copy{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  padding:0 28px;
  text-align:center;
}
.hero-copy .inner{ max-width:820px; }
.hero-copy h1{ color:var(--cream); text-shadow:0 2px 30px rgba(0,0,0,.25); }
.hero-copy h1 .split{ display:block; }
.hero-copy h1 .split:first-child{ color:var(--paper-2); }
.hero-copy p{ color:var(--paper-2); font-size:1.08rem; max-width:560px; margin:0 auto 1.6em; }
.hero-ctas{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.hero-ctas .btn-primary{ background:var(--brass); border-color:var(--brass); color:var(--ink); }
.hero-ctas .btn-primary:hover{ background:var(--cream); border-color:var(--cream); }
.hero-ctas .btn-ghost{ border-color:var(--paper-2); color:var(--cream); }
.hero-ctas .btn-ghost:hover{ background:var(--cream); color:var(--ink); }

/* ---------------- signature divider: grain-to-grid ---------------- */
.divider{ width:100%; display:block; overflow:hidden; line-height:0; }
.divider svg{ width:100%; height:auto; display:block; }

/* ---------------- spec strip ---------------- */
.spec-strip{
  background:var(--ink); color:var(--paper);
  padding:34px 0;
}
.spec-grid{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.spec-item .k{ font-family:var(--mono); font-size:0.68rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--brass); margin-bottom:8px; }
.spec-item .v{ font-family:var(--display); font-size:1.3rem; color:var(--cream); }

/* ---------------- sections ---------------- */
section{ padding:88px 0; }
.section-head{ max-width:640px; margin-bottom:52px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head p{ font-size:1.05rem; }

/* ---------------- category / catalog cards ---------------- */
.cat-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--paper-3);
  border:1px solid var(--paper-3);
}
.cat-card{
  background:var(--paper); padding:34px 26px;
  transition:background .2s ease;
  display:flex; flex-direction:column; min-height:270px;
}
.cat-card:hover{ background:var(--cream); }
.cat-card .code{
  font-family:var(--mono); font-size:0.75rem; letter-spacing:0.1em;
  color:var(--brass); background:var(--ink); padding:4px 9px;
  width:fit-content; margin-bottom:22px;
}
.cat-card h3{ margin-bottom:10px; }
.cat-card p{ font-size:0.92rem; flex:1; }
.cat-card .go{ font-size:0.82rem; font-weight:600; color:var(--sheesham-dark); display:flex; align-items:center; gap:6px; margin-top:12px; }
.cat-card .go::after{ content:"→"; transition:transform .2s ease; }
.cat-card:hover .go::after{ transform:translateX(4px); }

/* ---------------- craft / two-column ---------------- */
.craft{
  display:grid; grid-template-columns:1fr 1fr; gap:0;
  border:1px solid var(--paper-3);
}
.craft-col{ padding:44px; }
.craft-col.steel{ background:var(--steel-dark); color:var(--paper); }
.craft-col.wood{ background:var(--sheesham-dark); color:var(--paper); }
.craft-col .tag{ font-family:var(--mono); font-size:0.7rem; letter-spacing:0.16em; text-transform:uppercase; opacity:.75; margin-bottom:16px; }
.craft-col h3{ color:var(--cream); font-size:1.5rem; }
.craft-col p{ color:var(--paper-2); }
.craft-col ul{ padding-left:18px; margin:16px 0 0; color:var(--paper-2); font-size:0.92rem; }
.craft-col li{ margin-bottom:6px; }

/* ---------------- testimonials ---------------- */
.testi-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.testi{
  background:var(--cream); border:1px solid var(--paper-3);
  padding:28px; display:flex; flex-direction:column;
}
.testi .stars{ color:var(--brass); font-family:var(--mono); letter-spacing:2px; margin-bottom:14px; }
.testi p{ font-size:0.95rem; flex:1; color:var(--ink-soft); }
.testi .who{ font-family:var(--mono); font-size:0.72rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--steel); margin-top:14px; }

/* ---------------- CTA banner ---------------- */
.cta-banner{
  background:linear-gradient(120deg, var(--sheesham-dark), var(--steel-dark));
  color:var(--cream); padding:64px 0; text-align:center;
}
.cta-banner h2{ color:var(--cream); }
.cta-banner p{ color:var(--paper-2); max-width:520px; margin:0 auto 1.8em; }
.cta-banner .btn-primary{ background:var(--brass); border-color:var(--brass); color:var(--ink); }
.cta-banner .btn-primary:hover{ background:var(--cream); border-color:var(--cream); }

/* ---------------- footer ---------------- */
footer.site{ background:var(--ink); color:var(--paper-2); padding:56px 0 26px; }
.foot-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:32px; margin-bottom:40px; }
.foot-grid h4{ color:var(--cream); font-size:0.85rem; letter-spacing:0.08em; text-transform:uppercase; font-family:var(--mono); font-weight:500; margin-bottom:16px; }
.foot-grid a, .foot-grid p{ font-size:0.9rem; color:var(--paper-2); display:block; margin-bottom:8px; }
.foot-grid a:hover{ color:var(--brass); }
.foot-logo{ font-family:var(--display); font-size:1.6rem; color:var(--cream); margin-bottom:10px; }
.foot-bottom{
  border-top:1px solid rgba(255,255,255,0.12); padding-top:22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:0.78rem; color:var(--steel);
}

/* ---------------- catalog table (products page) ---------------- */
.catalog-section{ padding:0 0 40px; }
.catalog-section + .catalog-section{ border-top:1px solid var(--paper-3); padding-top:40px; }
.catalog-header{ display:flex; align-items:baseline; gap:16px; margin-bottom:28px; }
.catalog-header .code{ font-family:var(--mono); color:var(--brass); background:var(--ink); padding:5px 10px; font-size:0.78rem; letter-spacing:0.08em; }
.item-list{ display:grid; grid-template-columns:1fr 1fr; gap:0 40px; }
.item-row{
  display:flex; justify-content:space-between; align-items:baseline;
  padding:16px 0; border-bottom:1px solid var(--paper-3); gap:12px;
}
.item-row .name{ font-weight:600; }
.item-row .mat{ font-family:var(--mono); font-size:0.75rem; color:var(--steel); text-align:right; white-space:nowrap; }

/* ---------------- about timeline ---------------- */
.timeline{ position:relative; padding-left:34px; }
.timeline::before{ content:""; position:absolute; left:6px; top:6px; bottom:6px; width:1px; background:var(--paper-3); }
.tl-item{ position:relative; padding-bottom:44px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{
  content:""; position:absolute; left:-34px; top:4px; width:11px; height:11px;
  background:var(--brass); border-radius:50%; border:2px solid var(--paper);
  box-shadow:0 0 0 1px var(--paper-3);
}
.tl-item .yr{ font-family:var(--mono); color:var(--sheesham-dark); font-size:0.85rem; letter-spacing:0.06em; margin-bottom:6px; }

/* ---------------- contact page ---------------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
.contact-card{ background:var(--cream); border:1px solid var(--paper-3); padding:32px; margin-bottom:20px; }
.contact-card .k{ font-family:var(--mono); font-size:0.7rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--brass); margin-bottom:8px; }
.contact-card .v{ font-size:1.05rem; font-weight:600; }
.contact-card .v a:hover{ color:var(--sheesham-dark); }
.map-frame{ border:1px solid var(--paper-3); width:100%; height:420px; filter:grayscale(0.3) contrast(1.05); }

form.inquiry{ display:flex; flex-direction:column; gap:16px; }
form.inquiry label{ font-family:var(--mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--steel); display:block; margin-bottom:6px; }
form.inquiry input, form.inquiry select, form.inquiry textarea{
  width:100%; padding:13px 14px; border:1px solid var(--paper-3); background:var(--cream);
  font-family:var(--body); font-size:0.95rem; color:var(--ink); border-radius:var(--radius);
}
form.inquiry input:focus, form.inquiry select:focus, form.inquiry textarea:focus{ outline:2px solid var(--brass); outline-offset:1px; border-color:var(--brass); }
form.inquiry textarea{ min-height:120px; resize:vertical; }
.form-note{ font-size:0.82rem; color:var(--steel); margin-top:4px; }

/* ---------------- page hero (inner pages) ---------------- */
.page-hero{
  padding:64px 0 56px; background:var(--paper-2);
  border-bottom:1px solid var(--paper-3);
}
.page-hero .code{ font-family:var(--mono); font-size:0.75rem; color:var(--sheesham-dark); letter-spacing:0.14em; }
.page-hero h1{ font-size:clamp(2.2rem,5vw,3.4rem); margin-top:10px; }
.page-hero p{ max-width:600px; font-size:1.05rem; }

/* ---------------- reveal on scroll ---------------- */
[data-reveal]{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible{ opacity:1; transform:none; }

/* ---------------- responsive ---------------- */
@media (max-width:920px){
  .hero{ grid-template-columns:1fr; min-height:auto; }
  .hero .half{ height:46vh; }
  .hero-copy{ position:relative; padding:56px 22px; }
  .hero-copy h1{ color:var(--ink); text-shadow:none; }
  .hero-copy h1 .split:first-child{ color:var(--sheesham-dark); }
  .hero-copy p{ color:var(--ink-soft); }
  .spec-grid{ grid-template-columns:1fr 1fr; }
  .cat-grid{ grid-template-columns:1fr 1fr; }
  .craft{ grid-template-columns:1fr; }
  .testi-grid{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr 1fr; }
  .item-list{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  nav.links{ display:none; }
  .nav-toggle{ display:block; }
  body.nav-open nav.links{
    display:flex; position:absolute; top:100%; left:0; right:0;
    flex-direction:column; background:var(--paper); padding:20px 28px;
    border-bottom:1px solid var(--paper-3); gap:16px;
  }
}