/* ==========================================================================
   Arco Gold — Option B, "The Colour Trial"
   Warm artisanal flat-modern: marigold + amber on warm ink, brush-cut edges.
   ========================================================================== */

:root{
  --marigold:  #f5a31b;
  --marigold-2:#ffc247;
  --amber:     #c4651a;
  --ink:       #17130f;
  --ink-2:     #3b332b;
  --ink-soft:  #6b6055;
  --paper:     #fbf2e2;
  --air:       #fffdf8;
  --petrol:    #11403b;
  --line:      rgba(23,19,15,.16);
  --wrap:      1220px;
  --ease:      cubic-bezier(.22,.75,.2,1);  /* loaded-brush drag */
  --slow:      .62s;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *{ animation:none !important; transition-duration:.001ms !important; }
}

body{
  margin:0;
  background:var(--air);
  color:var(--ink);
  font-family:'Karla',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:18px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
}

/* paper grain — one texture layer, very low presence */
body::before{
  content:""; position:fixed; inset:0; z-index:1; pointer-events:none; opacity:.35;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/><feColorMatrix type='saturate' values='0'/></filter><rect width='180' height='180' filter='url(%23n)' opacity='.22'/></svg>");
  mix-blend-mode:multiply;
}
main,header,footer{ position:relative; z-index:2; }

h1,h2,h3,h4{
  font-family:'Archivo','Archivo Narrow','Helvetica Neue',Arial,sans-serif;
  font-weight:800; font-stretch:85%;
  font-variation-settings:'wdth' 85,'wght' 800;
  line-height:1.02; letter-spacing:-.015em; margin:0 0 .44em;
  text-wrap:balance;
}
h1{ font-size:clamp(3rem,7.6vw,6.6rem); }
h2{ font-size:clamp(2.2rem,4.6vw,3.9rem); }
h3{ font-size:clamp(1.15rem,1.8vw,1.45rem); letter-spacing:-.005em; }
p{ margin:0 0 1.1em; max-width:64ch; text-wrap:pretty; }
img{ max-width:100%; display:block; }
a{ color:inherit; }
:focus-visible{ outline:3px solid var(--ink); outline-offset:4px; }
.ink-bg :focus-visible{ outline-color:var(--marigold-2); }

.wrap{ width:min(100% - 44px,var(--wrap)); margin-inline:auto; }
.narrow{ width:min(100% - 44px,880px); margin-inline:auto; }
section{ padding:110px 0; position:relative; }
.ink-bg{ background:var(--ink); color:#f6efe3; }
.paper-bg{ background:var(--paper); }
.marigold-bg{ background:var(--marigold); }

/* brush-cut edges: turbulence displaces the boundary so it reads hand-laid */
.brushed{ filter:url(#brushEdge); }

.lede{ font-size:clamp(1.08rem,1.5vw,1.28rem); color:var(--ink-2); }
.ink-bg .lede{ color:#d9cfc0; }
.eyebrow{
  font-family:'Archivo',sans-serif; font-weight:700; font-stretch:85%;
  font-size:1rem; color:var(--amber); margin:0 0 18px;
  display:flex; align-items:center; gap:12px;
}
.eyebrow::after{ content:""; height:3px; flex:0 0 56px; background:currentColor; }
.ink-bg .eyebrow{ color:var(--marigold); }

/* ---------- buttons ---------- */
.btn{
  --btn-bg:var(--ink); --btn-fg:var(--air);
  display:inline-flex; align-items:center; gap:12px;
  min-height:60px; padding:0 34px; border:0; cursor:pointer;
  background:var(--btn-bg); color:var(--btn-fg);
  font-family:'Archivo',sans-serif; font-weight:700; font-stretch:88%; font-size:1.05rem;
  text-decoration:none; position:relative;
  transition:transform var(--slow) var(--ease),box-shadow var(--slow) var(--ease),background-color var(--slow) var(--ease);
  box-shadow:6px 6px 0 rgba(23,19,15,.22);
}
.btn:hover{ transform:translate(-3px,-3px); box-shadow:11px 11px 0 rgba(23,19,15,.26); }
.btn:active{ transform:translate(2px,2px); box-shadow:3px 3px 0 rgba(23,19,15,.24); }
.btn--marigold{ --btn-bg:var(--marigold); --btn-fg:var(--ink); }
.btn--paper{ --btn-bg:var(--air); --btn-fg:var(--ink); }
.btn--line{
  --btn-bg:transparent; --btn-fg:currentColor;
  box-shadow:none; border:2px solid currentColor;
}
.btn--line:hover{ box-shadow:6px 6px 0 rgba(23,19,15,.2); }
.ink-bg .btn--line:hover{ box-shadow:6px 6px 0 rgba(246,239,227,.2); }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:80; background:var(--ink); color:#f6efe3;
}
.site-header .wrap{ display:flex; align-items:center; gap:26px; min-height:72px; }
.brand{ display:flex; align-items:center; gap:13px; text-decoration:none; margin-right:auto; }
.brand__mark{ width:38px; height:38px; flex:0 0 38px; }
.brand__name{
  font-family:'Archivo',sans-serif; font-weight:800; font-stretch:85%;
  font-size:1.3rem; line-height:1; display:block;
}
.brand__sub{ font-size:.74rem; letter-spacing:.16em; text-transform:uppercase; color:#a89a88; }
.site-nav{ display:flex; align-items:center; gap:30px; }
.site-nav a{ text-decoration:none; font-weight:700; font-size:1rem; color:#e7ded0; }
.site-nav a:hover{ color:var(--marigold); }
.site-nav .btn{ min-height:46px; padding:0 22px; font-size:.98rem; box-shadow:4px 4px 0 rgba(0,0,0,.3); }
.nav-toggle{ display:none; }

/* ---------- hero: photo field, type laid straight on top ---------- */
.hero{
  position:relative; isolation:isolate; padding:0;
  background:var(--marigold); color:var(--ink);
  display:flex; align-items:center; min-height:clamp(580px,80vh,860px);
}
.hero__figure{ position:absolute; inset:0; margin:0; overflow:hidden; z-index:-1; }
.hero__figure img{ width:100%; height:100%; object-fit:cover; object-position:56% 30%; filter:saturate(1.06); }
.hero__figure::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg,rgba(23,19,15,.22) 0%,rgba(23,19,15,0) 24%),
    linear-gradient(94deg,rgba(245,163,27,.86) 0%,rgba(245,163,27,.72) 38%,rgba(245,163,27,.34) 68%,rgba(245,163,27,.08) 100%);
}
.hero .wrap{ padding:104px 0; }
.hero__copy{ display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:end; }
.hero h1{ color:var(--ink); margin:0; }
.hero h1 .stroke{ display:block; color:var(--ink); }
.hero__lede{ font-size:1.18rem; color:#4a3a1c; max-width:46ch; margin:0 0 32px; font-weight:500; }
.hero__cta{ display:flex; flex-wrap:wrap; gap:16px; }
.hero__meta{
  display:flex; flex-wrap:wrap; gap:10px 34px; margin-top:52px;
  padding-top:24px; border-top:2px solid rgba(23,19,15,.28);
  font-size:.98rem; color:#4a3a1c;
}
.hero__meta b{ color:var(--ink); font-weight:700; }
.hero__tag{
  position:absolute; right:clamp(20px,4vw,54px); bottom:34px; margin:0; z-index:3;
  background:var(--ink); color:var(--air); padding:15px 24px;
  font-family:'Archivo',sans-serif; font-weight:800; font-stretch:85%; font-size:1rem;
  transform:rotate(-1.6deg); box-shadow:7px 7px 0 rgba(23,19,15,.3);
}

/* ---------- daylight instrument ---------- */
.trial{ background:var(--air); }
.trial__head{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:end; margin-bottom:52px; }
.scene{
  position:relative; border-radius:2px; overflow:hidden;
  aspect-ratio:16/8.4; background:var(--ink);
  box-shadow:0 30px 60px rgba(23,19,15,.18);
}
.scene__photo{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.scene__light{
  position:absolute; inset:0; mix-blend-mode:multiply; pointer-events:none;
  background:var(--light-tint,#fff3d8); opacity:var(--light-strength,.3);
  transition:background-color var(--slow) var(--ease),opacity var(--slow) var(--ease);
}
.scene__glow{
  position:absolute; inset:0; mix-blend-mode:screen; pointer-events:none;
  background:radial-gradient(120% 90% at var(--sun-x,72%) 14%,var(--sun-tint,#ffd88a) 0%,rgba(0,0,0,0) 62%);
  opacity:var(--sun-strength,.4);
  transition:background var(--slow) var(--ease),opacity var(--slow) var(--ease);
}
.swatches{
  position:absolute; left:6%; top:20%; display:flex; gap:3.2%; width:52%;
}
.swatch{
  flex:1 1 0; aspect-ratio:1/1.22; position:relative;
  box-shadow:0 8px 22px rgba(23,19,15,.28);
  transition:transform var(--slow) var(--ease);
}
.swatch__paint{ position:absolute; inset:0; background:var(--c); filter:url(#brushEdge); }
.swatch__name{
  position:absolute; left:0; right:0; bottom:-2.4rem; text-align:center;
  font-family:'Archivo',sans-serif; font-weight:700; font-stretch:88%; font-size:.92rem;
  color:#f4ece0; text-shadow:0 1px 6px rgba(0,0,0,.6);
}
.scene:hover .swatch{ transform:translateY(-4px); }

.dial{ margin-top:38px; display:grid; grid-template-columns:1fr auto; gap:20px 40px; align-items:center; }
.dial__label{ font-family:'Archivo',sans-serif; font-weight:800; font-stretch:85%; font-size:1.45rem; }
.dial__label span{ display:block; font-family:'Karla',sans-serif; font-weight:400; font-size:.98rem; color:var(--ink-soft); }
.dial input[type=range]{
  -webkit-appearance:none; appearance:none; width:100%; height:16px; border-radius:0;
  background:linear-gradient(90deg,#9fb6c9,#ffe9b8 38%,var(--marigold) 68%,#8a4a2a 88%,#241d2e);
  cursor:grab;
}
.dial input[type=range]:active{ cursor:grabbing; }
.dial input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none; width:34px; height:34px; border-radius:50%;
  background:var(--ink); border:5px solid var(--air); box-shadow:0 3px 10px rgba(23,19,15,.4);
}
.dial input[type=range]::-moz-range-thumb{
  width:34px; height:34px; border-radius:50%;
  background:var(--ink); border:5px solid var(--air); box-shadow:0 3px 10px rgba(23,19,15,.4);
}
.dial__scale{
  grid-column:1/2; display:flex; justify-content:space-between;
  font-size:.86rem; color:var(--ink-soft); margin-top:-8px;
}
.trial__note{ margin-top:34px; max-width:58ch; color:var(--ink-2); }

/* ---------- steps ---------- */
.steps{ counter-reset:step; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:0; }
.step{ padding:34px 30px 40px 0; border-top:4px solid var(--ink); }
.step + .step{ padding-left:30px; }
.step__n{
  counter-increment:step; font-family:'Archivo',sans-serif; font-weight:800; font-stretch:85%;
  font-size:2.6rem; line-height:1; color:var(--amber); display:block; margin-bottom:14px;
}
.step__n::before{ content:counter(step,decimal-leading-zero); }
.step p{ font-size:1rem; color:var(--ink-2); margin:0; }
.marigold-bg .step{ border-color:var(--ink); }
.marigold-bg .step__n{ color:var(--ink); }
.marigold-bg .step p{ color:#4a3a1c; }

/* ---------- proof ---------- */
.proof{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:0 46px; }
.proof__item{ padding:30px 0; border-top:1px solid var(--line); }
.proof__figure{
  font-family:'Archivo',sans-serif; font-weight:800; font-stretch:85%;
  font-size:clamp(2.6rem,4.4vw,3.6rem); line-height:1; display:block;
}
.proof__item p{ margin:10px 0 0; font-size:1rem; color:var(--ink-2); }

.quotes{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:34px; margin-top:70px; }
.quote{ display:flex; flex-direction:column; gap:16px; }
.quote__mark{ width:34px; height:26px; }
.quote p{ margin:0; font-size:1.04rem; }
.quote footer{ margin-top:auto; padding-top:14px; border-top:1px solid var(--line); font-size:.95rem; }
.quote footer b{ font-family:'Archivo',sans-serif; font-stretch:88%; display:block; }
.quote footer span{ color:var(--ink-soft); }

/* ---------- services ---------- */
.services{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:2px; background:rgba(246,239,227,.16); }
.service{ background:var(--ink); padding:46px 44px 50px; }
.service h3{ color:var(--marigold); margin-bottom:12px; }
.service p{ color:#cfc4b4; font-size:1.02rem; margin:0 0 16px; }
.service ul{ margin:0; padding:0; list-style:none; font-size:.99rem; color:#e7ded0; }
.service li{ padding:8px 0 8px 22px; position:relative; }
.service li::before{
  content:""; position:absolute; left:0; top:17px; width:11px; height:3px; background:var(--marigold);
}
.services-media{ position:relative; background:var(--marigold); overflow:hidden; min-height:300px; }
.services-media img{ width:100%; height:100%; max-width:none; object-fit:cover; object-position:64% 50%; }

/* ---------- gallery ---------- */
.gallery{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; }
.shot{ margin:0; position:relative; overflow:hidden; background:var(--ink); aspect-ratio:4/3.1; }
.shot img{
  width:100%; height:100%; object-fit:cover;
  transition:transform 1.1s var(--ease),filter var(--slow) var(--ease);
  filter:saturate(.82) contrast(1.04);
}
.shot:hover img{ transform:scale(1.045); filter:saturate(1.05) contrast(1.02); }
.shot figcaption{
  position:absolute; left:0; bottom:0; background:var(--air); color:var(--ink);
  font-family:'Archivo',sans-serif; font-weight:700; font-stretch:88%; font-size:.95rem;
  padding:11px 18px;
}
.shot--tall{ aspect-ratio:4/5.2; }

/* ---------- booking ---------- */
.book{ background:var(--marigold); }
.book__grid{ display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:start; }
.book h2{ max-width:14ch; }
.book .lede{ color:#4a3a1c; }
.hand{ margin:34px 0 0; display:grid; gap:14px; font-size:1.05rem; }
.hand a{ font-family:'Archivo',sans-serif; font-weight:800; font-stretch:85%; font-size:1.5rem; text-decoration:none; }
.hand a:hover{ text-decoration:underline; text-underline-offset:5px; }
.hand span{ color:#4a3a1c; font-size:.98rem; }

.form{ background:var(--air); padding:40px 40px 44px; box-shadow:12px 12px 0 rgba(23,19,15,.28); }
.form h3{ margin-bottom:22px; }
.row{ display:flex; flex-wrap:wrap; gap:18px; }
.field{ flex:1 1 200px; margin-bottom:18px; }
.field label{ display:block; font-weight:700; font-size:.94rem; margin-bottom:7px; }
.field input,.field select,.field textarea{
  width:100%; min-height:54px; padding:12px 14px; font:inherit; font-size:1rem;
  color:var(--ink); background:#fff; border:2px solid var(--ink); border-radius:0;
}
.field textarea{ min-height:104px; resize:vertical; }
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; box-shadow:5px 5px 0 var(--marigold);
}
.form__note{ font-size:.92rem; color:var(--ink-soft); margin:16px 0 0; }

/* ---------- footer ---------- */
.site-footer{ background:var(--ink); color:#bcb0a0; padding:70px 0 30px; font-size:1rem; }
.footer-grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr; gap:44px; }
.site-footer h4{ color:var(--air); font-size:1.06rem; margin:0 0 14px; }
.site-footer a{ color:#d6ccbc; text-decoration:none; }
.site-footer a:hover{ color:var(--marigold); }
.site-footer ul{ list-style:none; margin:0; padding:0; }
.site-footer li{ padding:5px 0; }
.site-footer p{ color:#a2968a; }
.colophon{
  margin-top:52px; padding-top:22px; border-top:1px solid rgba(246,239,227,.18);
  display:flex; flex-wrap:wrap; gap:10px 26px; font-size:.9rem; color:#8b8073;
}
.colophon .end{ margin-left:auto; }

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .hero__grid{ grid-template-columns:1fr; }
  .hero__copy{ padding:88px 0 64px; }
  .hero__figure{ min-height:380px; }
  .hero__tag{ left:auto; right:24px; bottom:24px; }
  .trial__head,.book__grid{ grid-template-columns:1fr; gap:34px; }
  .steps{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .step + .step{ padding-left:0; }
  .step:nth-child(2n){ padding-left:30px; }
  .quotes,.gallery{ grid-template-columns:1fr 1fr; }
  .gallery .shot:last-child{ grid-column:1/-1; }
  .shot--tall{ aspect-ratio:4/3.1; }
}
@media (max-width:760px){
  section{ padding:76px 0; }
  body{ font-size:17px; }
  .site-nav{
    position:absolute; top:100%; left:0; right:0; display:none; flex-direction:column;
    align-items:stretch; gap:0; background:var(--ink); padding:6px 22px 22px;
    border-bottom:4px solid var(--marigold);
  }
  .site-nav.is-open{ display:flex; }
  .site-nav a{ padding:14px 0; border-top:1px solid rgba(246,239,227,.14); }
  .site-nav .btn{ margin-top:14px; justify-content:center; }
  .nav-toggle{
    display:inline-flex; align-items:center; min-height:44px; padding:0 18px;
    background:var(--marigold); color:var(--ink); border:0; cursor:pointer;
    font-family:'Archivo',sans-serif; font-weight:700; font-size:1rem;
  }
  .site-header .wrap{ position:relative; }
  .steps,.proof,.quotes,.gallery,.services,.book__grid{ grid-template-columns:1fr; }
  .step,.step:nth-child(2n){ padding:26px 0 30px; }
  .proof__item{ padding:22px 0; }
  .scene{ aspect-ratio:4/3.4; }
  .swatches{ width:64%; top:16%; }
  .dial{ grid-template-columns:1fr; }
  .form{ padding:28px 24px 32px; box-shadow:8px 8px 0 rgba(23,19,15,.28); }
  .gallery .shot:last-child{ grid-column:auto; }
  .footer-grid{ grid-template-columns:1fr; gap:30px; }
}

/* ---------- paint calculator ---------- */
.calc{
  display:grid; grid-template-columns:1.28fr .72fr;
  background:var(--air); border:3px solid var(--ink);
  box-shadow:14px 14px 0 rgba(23,19,15,.18);
}
.calc__form{ padding:40px 44px 46px; }
.calc__step{ padding:22px 0 4px; border-top:1px solid var(--line); }
.calc__step:first-child{ border-top:0; padding-top:0; }
.calc__q{
  display:block; font-family:'Archivo',sans-serif; font-weight:800; font-stretch:88%;
  font-size:1.14rem; margin-bottom:14px;
}
.calc .field{ margin-bottom:14px; }
.coats{ display:flex; flex-wrap:wrap; gap:12px; margin-bottom:6px; }
.coats input{ position:absolute; opacity:0; pointer-events:none; }
.coats label{
  display:inline-flex; align-items:center; justify-content:center;
  min-height:54px; min-width:112px; padding:0 22px; cursor:pointer;
  border:2px solid var(--ink); background:#fff;
  font-family:'Archivo',sans-serif; font-weight:700; font-stretch:88%; font-size:1rem;
  transition:background-color var(--slow) var(--ease),box-shadow var(--slow) var(--ease);
}
.coats input:checked + label{ background:var(--marigold); box-shadow:5px 5px 0 rgba(23,19,15,.24); }
.coats input:focus-visible + label{ outline:3px solid var(--ink); outline-offset:3px; }
.calc__actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:32px; }
.calc__out{ background:var(--ink); color:#f2e9db; padding:44px 38px; }
.calc__value{
  font-family:'Archivo',sans-serif; font-weight:800; font-stretch:85%;
  font-size:clamp(3.4rem,5.6vw,5rem); line-height:.94; color:var(--marigold); display:block;
}
.calc__unit{ display:block; margin-bottom:28px; color:#bdb1a1; font-size:.98rem; }
.calc__line{
  display:flex; justify-content:space-between; gap:14px; padding:13px 0;
  border-top:1px solid rgba(246,239,227,.18); font-size:1rem;
}
.calc__line span{ color:#bdb1a1; }
.calc__line b{ font-family:'Archivo',sans-serif; font-stretch:88%; }
.calc__note{ margin:26px 0 0; font-size:.9rem; line-height:1.55; color:#a2968a; }

/* ---------- projects ---------- */
.projects{
  display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
  grid-auto-rows:clamp(180px,17vw,244px); gap:20px;
}
.projects .shot{ aspect-ratio:auto; }
.projects figcaption{ top:0; bottom:auto; }
.projects .shot--wide{ grid-column:span 2; grid-row:span 2; }

@media (max-width:1080px){
  .hero__copy{ grid-template-columns:1fr; gap:30px; }
  .hero .wrap{ padding:84px 0; }
  .calc{ grid-template-columns:1fr; }
  .projects{ grid-template-columns:1fr 1fr; }
  .projects .shot--wide{ grid-row:span 1; }
  .projects .shot:last-child{ grid-column:span 2; }
}
@media (max-width:760px){
  .hero{ min-height:0; }
  .hero .wrap{ padding:60px 0 88px; }
  .hero__figure::after{
    background:
      linear-gradient(180deg,rgba(23,19,15,.2) 0%,rgba(23,19,15,0) 18%),
      linear-gradient(180deg,rgba(245,163,27,.96) 0%,rgba(245,163,27,.9) 58%,rgba(245,163,27,.55) 100%);
  }
  .hero__tag{ right:16px; bottom:16px; font-size:.92rem; padding:12px 18px; }
  .calc__form{ padding:28px 24px 32px; }
  .calc__out{ padding:32px 24px 36px; }
  .projects{ grid-template-columns:1fr; grid-auto-rows:220px; }
  .projects .shot--wide,.projects .shot:last-child{ grid-column:auto; }
}