/* ==========================================================================
   SIDEDOOR STUDIO — design system
   Palette: ink / panel / panel-2 / bone / brass / marble
   Type: General Sans (display), Instrument Serif (accent), IBM Plex Mono (utility)
   ========================================================================== */

@import url('https://api.fontshare.com/v2/css?f[]=general-sans@400,500,600,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink: #0B0B0D;
  --panel: #111113;
  --panel-2: #1C1C1F;
  --bone: #D4C8B0;
  --brass: #A78C61;
  --brass-bright: #C9AD7F;
  --marble: #EDEAE3;
  --line: rgba(212,200,176,0.14);
  --line-bright: rgba(167,140,97,0.45);

  --display: 'General Sans', 'Helvetica Neue', Arial, sans-serif;
  --serif: 'Instrument Serif', Georgia, serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  --container: 1240px;
  --gutter: clamp(24px, 5vw, 72px);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after{ box-sizing: border-box; }
figure{ margin: 0; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--display);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* ---------- Global background: drafting grid + circuit trace + brass vignette + grain ----------
   Fixed behind all content on every page. Kept low opacity on purpose so it reads as
   texture, not decoration, and never competes with the statue figures or copy. */
body::before{
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(212,200,176,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,200,176,0.035) 1px, transparent 1px);
  background-size: 88px 88px;
  background-position: center top;
}

body::after{
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(ellipse 900px 700px at 88% -6%, rgba(167,140,97,0.14), transparent 60%),
    radial-gradient(ellipse 800px 600px at 4% 108%, rgba(167,140,97,0.10), transparent 60%),
    repeating-linear-gradient(115deg, transparent 0 140px, rgba(167,140,97,0.05) 140px 141px, transparent 141px 280px),
    repeating-linear-gradient(25deg, transparent 0 180px, rgba(212,200,176,0.03) 180px 181px, transparent 181px 360px),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

@media (max-width: 700px){
  body::before{ background-size: 56px 56px; }
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; cursor: pointer; }

::selection{ background: var(--brass); color: var(--ink); }

:focus-visible{
  outline: 1px solid var(--brass-bright);
  outline-offset: 4px;
}

.wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.eyebrow{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
}

.hr{
  height: 1px;
  background: var(--line);
  border: none;
  margin: 0;
}

/* ---------- Nav ---------- */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,11,13,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.nav-mark{
  font-family: var(--display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.nav-mark small{
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--brass);
  font-weight: 400;
}
.nav-links{
  display: flex;
  gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a{
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--bone);
  opacity: 0.72;
  transition: opacity 0.25s var(--ease);
  position: relative;
}
.nav-links a:hover, .nav-links a.active{ opacity: 1; }
.nav-links a.active::after{
  content:'';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--brass);
}
.nav-cta{
  border: 1px solid var(--line-bright);
  padding: 10px 20px;
  font-size: 12px;
  letter-spacing: 0.06em;
  font-family: var(--mono);
  color: var(--bone);
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.nav-cta:hover{ background: var(--brass); border-color: var(--brass); color: var(--ink); }
.nav-toggle{ display: none; background: none; border: 0; color: var(--bone); }

@media (max-width: 860px){
  .nav-links{ display: none; }
  .nav-toggle{ display: block; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  padding: 110px 0 90px;
  overflow: hidden;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--gutter);
  align-items: center;
}
.hero h1{
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(40px, 5.4vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 18px 0 0;
}
.hero h1 em{
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--brass-bright);
}
.hero p.lede{
  font-size: 17px;
  line-height: 1.7;
  color: rgba(212,200,176,0.72);
  max-width: 46ch;
  margin: 26px 0 36px;
}
.hero-ctas{ display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 860px){
  .hero{ padding: 90px 0 60px; }
  .hero-grid{
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .hero-grid > div:last-child .bust-fig{
    max-width: 280px;
    margin: 0 auto;
  }
}

.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  transition: all 0.3s var(--ease);
}
.btn-primary{ background: var(--brass); color: var(--ink); }
.btn-primary:hover{ background: var(--brass-bright); transform: translateY(-1px); }
.btn-ghost{ border: 1px solid var(--line-bright); color: var(--bone); }
.btn-ghost:hover{ border-color: var(--brass-bright); color: var(--brass-bright); }

/* ---------- Statue placeholder / real image ---------- */
/* Each .bust-fig now points at a real file path under assets/statues/.
   Drag a correctly named PNG into that folder and it appears automatically,
   no HTML editing needed. Until a file exists at that path, the gradient
   placeholder below shows instead. JS in main.js toggles data-img-loaded.
   data-mode="scroll"  -> marble-to-circuit crossfade driven by scroll position
   data-mode="case"    -> clickable, links to a work case study */
.bust-fig{
  position: relative;
  aspect-ratio: 3 / 4;
  width: 100%;
  border-radius: 2px;
  overflow: hidden;
}
.bust-fig .bust-layer{
  position: absolute; inset: 0;
  background: linear-gradient(160deg, #1C1C1F 0%, #111113 60%, #0B0B0D 100%);
  display: flex; align-items: flex-end; justify-content: center;
}
.bust-fig .bust-img{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center bottom;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}
.bust-fig[data-img-loaded="true"] .bust-img{ opacity: 1; }
.bust-fig[data-img-loaded="true"] .bust-silhouette,
.bust-fig[data-img-loaded="true"] .bust-placeholder-mark{ display: none; }
.bust-fig[data-img-loaded="true"] .bust-layer{ background: transparent; }
.bust-fig .bust-placeholder-mark{
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(212,200,176,0.4);
  text-transform: uppercase;
  padding: 18px;
  text-align: center;
}
.bust-fig .bust-silhouette{
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 62%;
  height: 82%;
  background: linear-gradient(180deg, rgba(237,234,227,0.14), rgba(237,234,227,0.02));
  clip-path: polygon(38% 0%, 62% 0%, 74% 10%, 80% 26%, 78% 40%, 100% 46%, 100% 100%, 0% 100%, 0% 46%, 22% 40%, 20% 26%, 26% 10%);
  transition: filter 0.6s var(--ease);
}
.bust-fig .bust-circuit-overlay{
  position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 40%, rgba(167,140,97,0.22) 48%, rgba(167,140,97,0.05) 56%, transparent 62%);
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}
.bust-fig[data-revealed="true"] .bust-circuit-overlay{ opacity: 1; }
.bust-fig[data-revealed="true"] .bust-silhouette{ filter: brightness(1.25); }

.bust-fig[data-mode="case"]{ cursor: pointer; }
.bust-fig[data-mode="case"] .bust-tag{
  position: absolute;
  left: 14px; bottom: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone);
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.35s var(--ease);
}
.bust-fig[data-mode="case"]:hover .bust-tag{ opacity: 1; transform: translateY(0); }
.bust-fig[data-mode="case"]:hover .bust-silhouette{ filter: brightness(1.3); }
.bust-fig[data-mode="case"] .bust-ring{
  position: absolute; inset: 0;
  border: 1px solid transparent;
  transition: border-color 0.35s var(--ease);
}
.bust-fig[data-mode="case"]:hover .bust-ring{ border-color: var(--line-bright); }

/* ---------- Ambient statue gallery strip ---------- */
.statue-strip{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.statue-strip .bust-fig{ aspect-ratio: 3/5; border-radius: 0; background: var(--ink); }
@media (max-width: 860px){ .statue-strip{ grid-template-columns: repeat(2,1fr); } }

/* ---------- Sections ---------- */
section{ padding: 96px 0; }
section.tight{ padding: 64px 0; }
.section-head{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.section-head h2{
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(28px, 3.4vw, 44px);
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  max-width: 20ch;
}
.section-head p{
  max-width: 40ch;
  color: rgba(212,200,176,0.65);
  font-size: 14.5px;
  line-height: 1.7;
}

/* ---------- Services grid ---------- */
.services-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.service-card{
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 40px 34px;
  transition: background 0.4s var(--ease);
}
.service-card:hover{ background: rgba(167,140,97,0.05); }
.service-card .num{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--brass);
  letter-spacing: 0.1em;
}
.service-card h3{
  font-family: var(--display);
  font-weight: 500;
  font-size: 20px;
  margin: 20px 0 12px;
}
.service-card p{
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(212,200,176,0.62);
  margin: 0;
}
.process-grid{ grid-template-columns: repeat(4,1fr); }
@media (max-width: 900px){ .services-grid, .process-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .services-grid, .process-grid{ grid-template-columns: 1fr; } }

/* ---------- Work grid ---------- */
.work-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--line);
}
.work-card{
  background: var(--ink);
  padding: 0;
}
.work-card .bust-fig{ aspect-ratio: 4/5; }
.work-meta{ padding: 22px 22px 28px; }
.work-meta .eyebrow{ display: block; margin-bottom: 8px; }
.work-meta h3{ font-family: var(--display); font-weight: 500; font-size: 19px; margin: 0 0 8px; }
.work-meta p{ font-size: 13px; color: rgba(212,200,176,0.6); margin: 0; }
@media (max-width: 900px){ .work-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .work-grid{ grid-template-columns: 1fr; } }

/* ---------- Quote / manifesto ---------- */
.manifesto{
  text-align: center;
  padding: 120px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.manifesto p{
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1.35;
  max-width: 18ch;
  margin: 0 auto;
  color: var(--marble);
}

/* ---------- Stats strip ---------- */
.stats{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat{
  padding: 36px 30px;
  border-right: 1px solid var(--line);
}
.stat:last-child{ border-right: none; }
.stat .n{ font-family: var(--display); font-size: 34px; font-weight: 500; color: var(--marble); }
.stat .l{ font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brass); margin-top: 8px; }
@media (max-width: 760px){ .stats{ grid-template-columns: repeat(2,1fr); } .stat:nth-child(2){ border-right:none; } }

/* ---------- Footer ---------- */
footer{
  border-top: 1px solid var(--line);
  padding: 64px 0 40px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}
.footer-brand .nav-mark{ margin-bottom: 16px; }
.footer-brand p{ font-size: 13.5px; color: rgba(212,200,176,0.55); max-width: 34ch; line-height: 1.7; }
.footer-col h4{ font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--brass); margin: 0 0 18px; }
.footer-col a{ display: block; font-size: 13.5px; color: rgba(212,200,176,0.75); margin-bottom: 12px; transition: color 0.25s var(--ease); }
.footer-col a:hover{ color: var(--brass-bright); }
.footer-bottom{
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; color: rgba(212,200,176,0.4);
  flex-wrap: wrap; gap: 12px;
}
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr; } }

/* ---------- Page hero (inner pages) ---------- */
.page-hero{ padding: 72px 0 56px; border-bottom: 1px solid var(--line); }
.page-hero h1{ font-family: var(--display); font-weight: 500; font-size: clamp(34px, 4.6vw, 58px); margin: 16px 0 0; letter-spacing: -0.01em; }
.page-hero p{ max-width: 52ch; color: rgba(212,200,176,0.65); font-size: 15.5px; line-height: 1.7; margin: 20px 0 0; }

/* ---------- Contact ---------- */
.contact-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.field{ margin-bottom: 26px; }
.field label{ display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brass); margin-bottom: 10px; }
.field input, .field textarea, .field select{
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-bright);
  color: var(--bone);
  font-family: var(--display);
  font-size: 15px;
  padding: 10px 0;
}
.field select option{ background: var(--panel); }
.field input:focus, .field textarea:focus, .field select:focus{ outline: none; border-color: var(--brass-bright); }
.field textarea{ resize: vertical; min-height: 100px; }
.contact-side .item{ padding: 22px 0; border-bottom: 1px solid var(--line); }
.contact-side .item h4{ font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brass); margin: 0 0 10px; }
.contact-side .item p, .contact-side .item a{ font-size: 15px; color: var(--bone); }

/* ---------- About ---------- */
.about-lead{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); align-items:center; }
.principles{ display:grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--line); border-top:1px solid var(--line); }
.principle{ background: var(--ink); padding: 34px; }
.principle h3{ font-family: var(--display); font-weight:500; font-size:18px; margin:14px 0 10px; }
.principle p{ font-size:13.5px; color: rgba(212,200,176,0.6); line-height:1.7; margin:0; }
@media (max-width: 860px){ .about-lead, .contact-grid{ grid-template-columns: 1fr; } .principles{ grid-template-columns:1fr; } }

/* ---------- Scroll reveal utility ---------- */
.reveal{ opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in{ opacity: 1; transform: translateY(0); }

/* ---------- Mobile menu ---------- */
.mobile-menu{
  position: fixed; inset: 0;
  background: var(--ink);
  z-index: 60;
  display: none;
  flex-direction: column;
  padding: var(--gutter);
}
.mobile-menu.open{ display: flex; }
.mobile-menu-top{ display:flex; justify-content:space-between; align-items:center; height: 84px; }
.mobile-menu ul{ list-style:none; padding:0; margin: 40px 0 0; display:flex; flex-direction:column; gap: 26px; }
.mobile-menu a{ font-family: var(--display); font-size: 30px; font-weight:500; }