:root{
  --sand:#EFE1C6;
  --sand-deep:#E6D3AC;
  --panel:#FBF5E8;
  --ink:#241A12;
  --ink-soft:#6E5A45;
  --walnut:#6B3A22;
  --walnut-dark:#2E1C10;
  --sienna:#A64B1F;
  --sienna-dark:#8A3C17;
  --brass:#AD8A45;
  --line:#D6C29A;
  --line-soft:#E8D9B8;
  --radius:3px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:'Work Sans',sans-serif;
  -webkit-font-smoothing:antialiased;
}
/* subtle grain texture instead of blueprint grid */
body::before{
  content:"";
  position:fixed; inset:0; z-index:-1;
  background-image: repeating-linear-gradient(178deg, rgba(107,58,34,.05) 0px, rgba(107,58,34,.05) 1px, transparent 1px, transparent 68px);
  opacity:.5;
}
h1,h2,h3{ font-family:'Frank Ruhl Libre',serif; font-weight:600; margin:0; color:var(--ink);}
.num{ font-variant-numeric:tabular-nums; font-weight:700; }
a{ color:inherit; }
.wrap{ max-width:1180px; margin:0 auto; padding:0 28px; }

/* HEADER */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(239,225,198,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding:16px 0; gap:24px; }
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; flex-shrink:0; }
.brand-logo{ height:44px; width:auto; display:block; }
.brand-mark{ font-family:'Frank Ruhl Libre',serif; font-weight:600; font-size:21px; letter-spacing:.3px; color:var(--ink); }
.brand-mark span{ color:var(--sienna); font-style:italic; }
.brand-tag{ font-size:10.5px; color:var(--ink-soft); letter-spacing:.14em; text-transform:uppercase; }
nav.links{ display:flex; gap:24px; font-size:13.5px; align-items:center; }
nav.links a{ text-decoration:none; color:var(--ink-soft); border-bottom:1px solid transparent; padding-bottom:2px; transition:.15s; white-space:nowrap; }
nav.links a.active{ color:var(--ink); border-color:var(--sienna); }
nav.links a:hover{ color:var(--ink); border-color:var(--sienna); }
.nav-drop{ position:relative; }
.nav-drop-panel{
  position:absolute; top:calc(100% + 14px); left:50%; transform:translateX(-50%);
  background:var(--panel); border:1px solid var(--line); border-radius:6px; padding:10px;
  display:none; flex-direction:column; min-width:190px; box-shadow:0 12px 30px rgba(46,28,16,.14);
}
.nav-drop:hover .nav-drop-panel{ display:flex; }
.nav-drop-panel a{ padding:9px 12px; border-radius:4px; font-size:13.5px; border:none !important; }
.nav-drop-panel a:hover{ background:var(--sand); color:var(--walnut); }
.cta-small{
  background:var(--sienna); color:#FBF5E8; padding:9px 18px; font-size:13px;
  border:none; border-radius:var(--radius); cursor:pointer; font-weight:600;
  text-decoration:none; display:inline-block; white-space:nowrap; transition:.15s;
}
.cta-small:hover{ background:var(--sienna-dark); }

/* Mobile nav toggle (hamburger) */
.nav-toggle{
  display:none; flex-direction:column; justify-content:center; align-items:center; gap:5px;
  width:36px; height:36px; background:none; border:none; cursor:pointer; padding:0; flex-shrink:0;
}
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink); border-radius:2px; transition:.2s ease; }
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* HERO */
.hero{ padding:64px 0 52px; }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.eyebrow{
  font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--sienna);
  font-weight:700; margin-bottom:16px; display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:26px; height:1px; background:var(--sienna); display:inline-block; }
.hero h1{ font-size:46px; line-height:1.1; letter-spacing:-.01em; }
.hero h1 em{ font-style:italic; color:var(--sienna); }
.hero p.lead{ font-size:16.5px; color:var(--ink-soft); line-height:1.6; margin:20px 0 28px; max-width:48ch; }
.hero-ctas{ display:flex; gap:14px; align-items:center; flex-wrap:wrap; }
.btn-primary{
  background:var(--walnut-dark); color:var(--sand); padding:14px 24px; font-size:14px; font-weight:600;
  border:none; border-radius:var(--radius); cursor:pointer; text-decoration:none; display:inline-block; transition:.15s;
}
.btn-primary:hover{ background:var(--ink); }
.btn-ghost{
  color:var(--ink); font-size:14px; font-weight:600; text-decoration:none; border-bottom:1px solid var(--ink);
  padding-bottom:2px;
}
.hero-diagram-card{ background:var(--panel); border:1px solid var(--line); border-radius:6px; padding:20px; }
.diagram-caption{ display:flex; justify-content:space-between; font-size:11px; color:var(--ink-soft); margin-top:10px; letter-spacing:.04em; text-transform:uppercase; }

/* SECTIONS */
.section{ padding:60px 0; border-top:1px solid var(--line); }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; margin-bottom:34px; flex-wrap:wrap; gap:16px; }
.section-head h2{ font-size:30px; }
.section-head h2 em{ font-style:italic; color:var(--sienna); }
.section-head p{ color:var(--ink-soft); font-size:14px; max-width:42ch; margin:6px 0 0; }
.section-index{ font-size:12px; color:var(--brass); letter-spacing:.08em; text-transform:uppercase; font-weight:600; }

/* SECTION CARDS (home page) */
.card-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.sec-card{
  background:var(--panel); border:1px solid var(--line); border-radius:6px; padding:22px 20px;
  text-decoration:none; color:var(--ink); display:flex; flex-direction:column; gap:10px; transition:.15s;
}
.sec-card:hover{ border-color:var(--sienna); transform:translateY(-2px); }
.sec-card .tag{ font-size:11px; color:var(--brass); font-weight:700; letter-spacing:.06em; }
.sec-card h3{ font-size:18px; }
.sec-card p{ font-size:13px; color:var(--ink-soft); line-height:1.5; margin:0; }
.sec-card .go{ font-size:12.5px; font-weight:700; color:var(--sienna); margin-top:auto; }

/* CALCULATOR LAYOUT */
.calc-grid{ display:grid; grid-template-columns:1fr 420px; gap:32px; align-items:flex-start; }
.card{ background:var(--panel); border:1px solid var(--line); border-radius:6px; padding:26px; margin-bottom:20px; }
.card h3{ font-size:16px; margin-bottom:4px; }
.card .sub{ font-size:12.5px; color:var(--ink-soft); margin-bottom:20px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.field{ margin-bottom:18px; }
.field label{ display:flex; justify-content:space-between; font-size:13px; font-weight:600; margin-bottom:8px; }
.field label .val{ color:var(--sienna); font-weight:700; }
input[type=range]{ width:100%; -webkit-appearance:none; height:4px; background:var(--line); border-radius:2px; outline:none; }
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none; width:16px; height:16px; border-radius:50%;
  background:var(--sienna); border:2px solid var(--panel); box-shadow:0 0 0 1px var(--sienna); cursor:pointer;
}
input[type=range]::-moz-range-thumb{
  width:16px; height:16px; border-radius:50%; background:var(--sienna); border:2px solid var(--panel);
  box-shadow:0 0 0 1px var(--sienna); cursor:pointer;
}

.option-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }
.option-grid.two{ grid-template-columns:repeat(2,1fr); }
.option-grid.four{ grid-template-columns:repeat(4,1fr); }
.opt{
  border:1px solid var(--line); border-radius:4px; padding:12px 10px; cursor:pointer; text-align:left;
  background:transparent; transition:.15s; position:relative; font-family:inherit;
}
.opt:hover{ border-color:var(--sienna); }
.opt.active{ border-color:var(--sienna); background:var(--panel); box-shadow:inset 0 0 0 1px var(--sienna); }
.opt .swatch{ width:100%; height:22px; border-radius:2px; margin-bottom:10px; }
.opt-name{ font-size:12.5px; font-weight:700; display:block; }
.opt-rate{ font-size:11px; color:var(--ink-soft); display:block; margin-top:2px; }

.accessory-list{ display:flex; flex-direction:column; gap:0; }
.accessory{ display:flex; align-items:center; justify-content:space-between; padding:13px 0; border-bottom:1px solid var(--line-soft); cursor:pointer; }
.accessory:last-child{ border-bottom:none; }
.accessory-left{ display:flex; align-items:center; gap:12px; }
.checkbox{ width:18px; height:18px; border:1.5px solid var(--ink-soft); border-radius:3px; flex-shrink:0; position:relative; }
.checkbox.checked{ background:var(--sienna); border-color:var(--sienna); }
.checkbox.checked::after{
  content:""; position:absolute; left:5px; top:1px; width:5px; height:9px;
  border-right:2px solid var(--panel); border-bottom:2px solid var(--panel); transform:rotate(45deg);
}
.accessory-name{ font-size:13.5px; font-weight:600; }
.accessory-desc{ font-size:11.5px; color:var(--ink-soft); }
.accessory-price{ font-size:13px; color:var(--walnut); font-weight:700; white-space:nowrap; }

.toggle-row{ display:flex; align-items:center; justify-content:space-between; padding:6px 0; }
.switch{ width:42px; height:24px; border-radius:12px; background:var(--line); position:relative; cursor:pointer; flex-shrink:0; transition:.15s; }
.switch.on{ background:var(--sienna); }
.switch::after{ content:""; position:absolute; top:2px; left:2px; width:20px; height:20px; border-radius:50%; background:var(--panel); transition:.15s; }
.switch.on::after{ left:20px; }

/* Stepper (door count etc.) */
.stepper{ display:flex; align-items:center; gap:0; border:1px solid var(--line); border-radius:4px; overflow:hidden; width:fit-content; }
.stepper button{
  background:var(--panel); border:none; width:34px; height:34px; font-size:16px; cursor:pointer; color:var(--sienna);
  font-family:inherit;
}
.stepper button:hover{ background:var(--line-soft); }
.stepper .stepper-val{
  width:52px; text-align:center; font-weight:700; font-size:14px;
  border-left:1px solid var(--line); border-right:1px solid var(--line); padding:8px 0; background:var(--sand);
}

/* RESULT PANEL */
.result-panel{ position:sticky; top:88px; }
.result-card{ background:var(--walnut-dark); color:var(--sand); border-radius:6px; padding:26px; }
.result-label{ font-size:11px; text-transform:uppercase; letter-spacing:.14em; color:#C8B08C; }
.result-total{ font-family:'Frank Ruhl Libre',serif; font-size:38px; font-weight:600; margin:8px 0 2px; }
.result-range{ font-size:12.5px; color:#C8B08C; margin-bottom:22px; }
.breakdown{ border-top:1px solid #4F3B26; padding-top:16px; }
.b-row{ display:flex; justify-content:space-between; font-size:13px; padding:7px 0; color:#E4D5BC; }
.b-row.total{ border-top:1px solid #4F3B26; margin-top:6px; padding-top:12px; font-weight:700; color:var(--sand); }
.diagram-card{ background:var(--panel); border:1px solid var(--line); border-radius:6px; padding:18px; margin-top:20px; }
.note{ font-size:11.5px; color:var(--ink-soft); margin-top:14px; line-height:1.5; }

/* FACTORS */
.factors{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.factor{ border-top:2px solid var(--sienna); padding-top:14px; }
.factor .num{ color:var(--brass); font-size:12px; }
.factor h3{ font-size:16px; margin:8px 0 8px; }
.factor p{ font-size:13.5px; color:var(--ink-soft); line-height:1.6; margin:0; }

/* FAQ */
.faq-item{ border-bottom:1px solid var(--line); padding:20px 0; }
.faq-q{ display:flex; justify-content:space-between; align-items:center; cursor:pointer; font-weight:600; font-size:15px; }
.faq-q .plus{ color:var(--sienna); font-size:18px; transition:.2s; }
.faq-item.open .plus{ transform:rotate(45deg); }
.faq-a{ font-size:14px; color:var(--ink-soft); line-height:1.65; max-height:0; overflow:hidden; transition:.25s; }
.faq-item.open .faq-a{ max-height:260px; margin-top:12px; }

footer{ border-top:1px solid var(--line); padding:32px 0; }
.foot-row{ display:flex; justify-content:space-between; align-items:center; font-size:12.5px; color:var(--ink-soft); flex-wrap:wrap; gap:10px;}
.foot-links{ display:flex; gap:18px; }
.foot-links a{ text-decoration:none; color:var(--ink-soft); }
.foot-links a:hover{ color:var(--sienna); }

/* Bar chart (budget calculator) */
.bar-row{ margin-bottom:14px; }
.bar-label{ display:flex; justify-content:space-between; font-size:12.5px; margin-bottom:6px; }
.bar-track{ height:8px; background:var(--line-soft); border-radius:4px; overflow:hidden; }
.bar-fill{ height:100%; background:var(--sienna); border-radius:4px; transition:width .2s; }

/* SHARE QUOTE */
.share-quote-btn{
  width:100%; margin-top:18px; background:var(--sienna); color:var(--sand); border:none;
  padding:13px 20px; border-radius:4px; font-weight:700; font-size:13.5px; cursor:pointer;
  font-family:inherit; transition:.15s;
}
.share-quote-btn:hover{ background:var(--sienna-dark); }

.sq-overlay{
  position:fixed; inset:0; background:rgba(36,26,18,.55); z-index:200;
  display:none; align-items:center; justify-content:center; padding:20px;
}
.sq-overlay.open{ display:flex; }
.sq-modal{
  background:var(--panel); border-radius:8px; padding:32px; width:100%; max-width:420px;
  box-shadow:0 24px 60px rgba(36,26,18,.35); position:relative;
}
.sq-close{
  position:absolute; top:16px; right:16px; background:none; border:none; font-size:20px;
  color:var(--ink-soft); cursor:pointer; line-height:1;
}
.sq-modal h3{ font-size:20px; margin-bottom:6px; }
.sq-modal p.sq-sub{ font-size:13px; color:var(--ink-soft); margin:0 0 20px; line-height:1.5; }
.sq-modal input{
  width:100%; border:1px solid var(--line); border-radius:4px; padding:12px 14px; font-family:inherit;
  font-size:13.5px; background:var(--sand); color:var(--ink); margin-bottom:12px;
}
.sq-modal button.sq-submit{
  width:100%; background:var(--walnut-dark); color:var(--sand); border:none; padding:13px 20px;
  border-radius:4px; font-weight:700; font-size:14px; cursor:pointer; font-family:inherit; transition:.15s;
}
.sq-modal button.sq-submit:hover{ background:var(--ink); }
.sq-modal button.sq-submit:disabled{ opacity:.6; cursor:default; }
.sq-status{ font-size:12.5px; margin-top:12px; display:none; line-height:1.5; }

@media (max-width:960px){
  .hero-grid{ grid-template-columns:1fr; }
  .calc-grid{ grid-template-columns:1fr; }
  .result-panel{ position:static; }
  .factors{ grid-template-columns:repeat(2,1fr); }
  .card-grid{ grid-template-columns:repeat(2,1fr); }
  .field-row{ grid-template-columns:1fr; }
  .hero h1{ font-size:32px; }

  header .nav{ position:relative; flex-wrap:wrap; }
  .nav-toggle{ display:flex; }

  nav.links{
    display:none;
    position:absolute; top:100%; left:0; right:0; margin-top:1px;
    background:var(--panel); border:1px solid var(--line); border-top:none;
    flex-direction:column; align-items:stretch; gap:0; padding:6px 0;
    box-shadow:0 16px 32px rgba(46,28,16,.16); z-index:60;
  }
  nav.links.open{ display:flex; }
  nav.links a{
    padding:14px 28px; border-bottom:1px solid var(--line-soft); border-radius:0 !important;
    white-space:normal;
  }
  nav.links a:last-child{ border-bottom:none; }

  .nav-drop{ display:flex; flex-direction:column; }
  .nav-drop-panel{
    position:static; transform:none; display:none; box-shadow:none; border:none; border-radius:0;
    background:var(--sand); padding:0; min-width:0;
  }
  .nav-drop.open .nav-drop-panel{ display:flex; }
  .nav-drop-panel a{ padding-left:44px; font-size:13px; }
}