/* ============================================================
   TENSOR ENGINEERING SOLUTIONS — DESIGN SYSTEM
   Structural device: every section carries a "sheet tag", the way a
   drawing set carries a sheet number and title. Grid ticks and
   coordinate marks reference the blueprint/technical-drawing world
   this brand is built from.
   ============================================================ */

:root{
  /* ---- Color tokens ---- */
  --ink: #17345F;         /* Tensor navy */
  --ink-soft: #254878;
  --paper: #F6F4EE;       /* warm white */
  --paper-dim: #EDEAE1;
  --concrete: #9C978C;    /* mid gray */
  --concrete-light: #E4E1D8;
  --line: #D8D4C8;        /* hairline on paper */
  --line-dark: #37383C;   /* hairline on ink */
  --accent: #1B3768;      /* logo navy */
  --accent-strong: #16294480;
  --accent-soft: #E8EEF7;
  --accent-on-ink: #F3B51B;
  --accent-gold: #F3B51B;
  --ok: #2E5C3E;
  --err: #7A2E2E;

  --fg: var(--ink);
  --bg: var(--paper);

  /* ---- Type ---- */
  --f-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --f-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* ---- Scale ---- */
  --container: 1360px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius: 2px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --fg: var(--paper);
    --bg: var(--ink);
    --line: var(--line-dark);
    --concrete-light: #232427;
    --accent-soft: #1C2A36;
  }
}
:root[data-theme="dark"]{
  --fg: var(--paper);
  --bg: var(--ink);
  --line: var(--line-dark);
  --concrete-light: #232427;
  --accent-soft: #1C2A36;
}

*,*::before,*::after{ box-sizing: border-box; }
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; scroll-behavior: auto !important; }
}

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

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p{ margin:0; }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
:root[data-theme="dark"] :focus-visible{ outline-color:var(--accent-gold); }
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) :focus-visible{ outline-color:var(--accent-gold); }
}

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

.visually-hidden{
  position:absolute; width:1px;height:1px; padding:0;margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

.skip-link{
  position:absolute; left:12px; top:-60px;
  background:var(--ink); color:var(--paper);
  padding:12px 18px; z-index:1000; font-family:var(--f-body); font-weight:600;
  transition: top .2s ease;
}
.skip-link:focus{ top:12px; }

/* ---- Section labels ---- */
.section-label{
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--concrete);
  margin-bottom: 18px;
}
.hero .section-label{ color:#D4D2C9; }
.page-hero .section-label, .section-ink .section-label{ color:#8B8E92; }

/* ---- Type scale ---- */
.display-1{
  font-family: var(--f-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: .96;
  font-size: clamp(44px, 7.4vw, 108px);
}
.display-2{
  font-family: var(--f-display);
  font-weight: 700;
  line-height: .98;
  font-size: clamp(34px, 5vw, 64px);
}
.h2{
  font-family: var(--f-display);
  font-weight: 600;
  line-height: 1.04;
  font-size: clamp(28px, 3.4vw, 44px);
}
.h3{
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.15;
}
.lede{
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.6;
  color: var(--fg);
  max-width: 46ch;
}
.body-text{ max-width: 62ch; color: var(--fg); }
.small{ font-size: 14px; }
.mono{ font-family: var(--f-mono); font-size:13px; letter-spacing:.01em; }
.muted{ color: var(--concrete); }

/* ---- Buttons ---- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px; padding: 15px 26px;
  font-family: var(--f-body); font-weight:600; font-size:15px;
  border:1px solid transparent; border-radius: var(--radius);
  cursor:pointer; transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
  min-height:48px;
}
.btn-primary{ background: var(--accent); color: var(--paper); border-color: var(--accent); }
.btn-primary:hover{ background: var(--accent-gold); color:var(--ink); border-color: var(--accent-gold); }
:root[data-theme="dark"] .btn-primary{ background: var(--paper); color: var(--ink); border-color: var(--paper); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .btn-primary{ background: var(--paper); color: var(--ink); border-color: var(--paper);} }

.btn-ghost{ background:transparent; color: var(--fg); border-color: var(--fg); }
.btn-ghost:hover{ background: var(--fg); color: var(--bg); }

.btn-line{
  display:inline-flex; align-items:center; gap:10px;
  padding-bottom:4px; border-bottom:1px solid currentColor;
  font-weight:600; font-size:15px;
  transition: gap .18s ease, opacity .18s ease;
}
.btn-line:hover{ gap:16px; }

/* ---- Nav ---- */
.site-header{
  position: sticky; top:0; z-index: 500;
  --fg: var(--ink);
  --line: #D8D4C8;
  --accent-on-ink: var(--accent);
  color: var(--ink);
  background: #fff;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: background-color .2s ease;
}
.nav-bar{
  display:flex; align-items:center; justify-content:space-between;
  padding-block: 18px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family: var(--f-display); font-weight:700; font-size:20px;
  letter-spacing:.01em;
}
.brand img{ width:56px; height:auto; flex:none; }
.brand .mark{
  width:30px;height:30px; flex:none;
}
.brand small{
  display:block; font-family:var(--f-mono); font-weight:400; font-size:10px;
  letter-spacing:.08em; color:var(--concrete); margin-top:2px;
}
.nav-links{ display:flex; align-items:center; gap:36px; }
.nav-links a{
  font-size:14.5px; font-weight:500; position:relative; padding-block:4px;
  color: var(--fg);
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background: var(--accent); transition: right .22s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ right:0; }
:root[data-theme="dark"] .nav-links a::after{ background: var(--accent-on-ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .nav-links a::after{ background: var(--accent-on-ink);} }
.nav-links a[aria-current="page"]{ color: var(--accent); }
:root[data-theme="dark"] .nav-links a[aria-current="page"]{ color: var(--accent-on-ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .nav-links a[aria-current="page"]{ color: var(--accent-on-ink);} }

.nav-right{ display:flex; align-items:center; gap:20px; }
.nav-cta{ display:none; }
@media (min-width: 900px){ .nav-cta{ display:inline-flex; } }

.menu-toggle{
  display:flex; flex-direction:column; gap:5px; background:none; border:none;
  cursor:pointer; padding:8px; margin:-8px;
}
.menu-toggle span{ width:22px; height:2px; background:var(--fg); transition: transform .25s ease, opacity .25s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 900px){ .menu-toggle{ display:none; } }
@media (max-width: 899px){ .nav-links{ display:none; } }

.mobile-panel{
  --fg: var(--ink);
  --line: #D8D4C8;
  position: fixed; inset:0; top:0; color:var(--ink); background:#fff; z-index:600;
  padding: 24px var(--gutter) 40px; transform: translateY(-100%);
  transition: transform .3s ease; overflow-y:auto;
}
.mobile-panel.is-open{ transform: translateY(0); }
.mobile-panel .nav-bar{ margin-bottom: 40px; }
.mobile-panel-links a{
  display:flex; align-items:baseline; gap:16px;
  font-family: var(--f-display); font-size: 38px; font-weight:600;
  padding-block:14px; border-bottom:1px solid var(--line);
}
.mobile-panel-links span{ font-family: var(--f-mono); font-size:13px; color:var(--concrete); }
.mobile-panel-cta{ margin-top:32px; display:flex; flex-direction:column; gap:14px; }

/* ---- Sections ---- */
section{ padding-block: clamp(48px, 6vw, 88px); }
.section-ink{ background: var(--ink); color: var(--paper); }
.section-ink .muted{ color:#9A9C9F; }
.section-panel{ background: var(--concrete-light); }
.section-tight{ padding-block: clamp(40px, 6vw, 72px); }

.hr{ border:none; border-top:1px solid var(--line); }

/* ---- Blueprint grid overlay ---- */
.blueprint-grid{
  position:absolute; inset:0; pointer-events:none; overflow:hidden;
}
.blueprint-grid svg{ width:100%; height:100%; }

/* ---- Hero reveal: one orchestrated entrance, not per-section fades ---- */
.hero-kicker, .hero h1, .hero-sub, .hero-actions, .hero-meta{
  opacity:0; transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease;
}
.hero.is-ready .hero-kicker{ opacity:1; transform:none; transition-delay: .05s; }
.hero.is-ready h1{ opacity:1; transform:none; transition-delay: .15s; }
.hero.is-ready .hero-sub{ opacity:1; transform:none; transition-delay: .3s; }
.hero.is-ready .hero-actions{ opacity:1; transform:none; transition-delay: .42s; }
.hero.is-ready .hero-meta{ opacity:1; transform:none; transition-delay: .52s; }
@media (prefers-reduced-motion: reduce){
  .hero-kicker, .hero h1, .hero-sub, .hero-actions, .hero-meta{ opacity:1; transform:none; transition:none; }
}

/* ---- Hero ---- */
.hero{
  position:relative; min-height: clamp(620px, 82vh, 780px); padding-block:0;
  display:flex; flex-direction:column;
  justify-content:flex-end; background: var(--ink); color: var(--paper);
  background-image: url("hero-desktop.jpg"); background-size:cover; background-position:center;
  overflow:hidden; border-bottom:1px solid var(--accent-gold);
}
.hero::before{
  content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
  background:linear-gradient(90deg, rgba(18,43,78,.9) 0%, rgba(18,43,78,.78) 48%, rgba(18,43,78,.56) 100%);
}
.hero-coord, .hero-meta dt, .scroll-cue{ color:#D4D2C9; }
.hero-top{
  position:relative; z-index:2; padding-top: 64px;
  display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap; width:100%;
}
.hero-coord{ font-family:var(--f-mono); font-size:12px; line-height:1.7; }
.hero-body{ position:relative; z-index:2; padding-bottom: 56px; width:100%; min-width:0; }
.hero-kicker{
  font-family: var(--f-mono); font-size:13px; color: var(--accent-gold);
  margin-bottom:20px; display:flex; align-items:center; gap:10px;
}
.hero-kicker::before{ content:""; width:22px; height:1px; background:var(--accent-gold); }
.hero h1{ max-width: 16ch; }
.hero-sub{
  margin-top: 26px; max-width: 52ch; font-size: clamp(16px,1.6vw,19px);
  color:#D4D2C9;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-top:38px; }
.hero-meta{
  margin-top:56px; display:grid; grid-template-columns: repeat(auto-fit, minmax(min(100%,150px),1fr));
  gap:24px; border-top:1px solid var(--line-dark); padding-top:22px; max-width:760px;
}
.hero-meta dt{ font-family:var(--f-mono); font-size:11.5px; letter-spacing:.03em; }
.hero-meta dd{ margin:6px 0 0; font-weight:600; font-size:14.5px; }
.scroll-cue{
  position:absolute; right: var(--gutter); bottom: 26px; z-index:2;
  display:flex; align-items:center; gap:10px; font-family:var(--f-mono); font-size:11px; color:#8B8E92;
}
.scroll-cue .stem{ width:1px; height:34px; background: linear-gradient(#8B8E92, transparent); }
@media (max-width: 560px){
  .hero-kicker, .hero h1, .hero-sub, .hero-actions, .hero-meta{
    opacity:1; transform:none; transition:none;
  }
  .hero{
    min-height:0; background-image:url("hero-mobile.jpg");
    background-position:center; background-size:cover;
  }
  .hero::before{
    background:linear-gradient(90deg, rgba(18,43,78,.88), rgba(18,43,78,.68));
  }
  .hero-top{ padding-top:40px; }
  .hero-body{ padding-top:32px; padding-bottom:84px; }
  .hero h1{ font-size:clamp(44px, 13vw, 64px); overflow-wrap:anywhere; }
  .scroll-cue{ display:none; }
}

/* ---- Page hero (interior pages) ---- */
.page-hero{
  background: var(--ink); color: var(--paper); position:relative; overflow:hidden;
  padding-block: clamp(72px, 10vw, 120px) 56px;
  border-bottom:1px solid var(--accent-gold);
}
.page-hero h1{ max-width: 20ch; }
.page-hero .lede{ color:#D4D2C9; margin-top:18px; }

/* ---- Positioning ---- */
.positioning-grid{
  display:grid; grid-template-columns: 1.1fr .9fr; gap: clamp(30px,5vw,90px);
  align-items:start;
}
@media (max-width: 860px){ .positioning-grid{ grid-template-columns:1fr; } }
.positioning-grid figure{
  margin:0; border:1px solid var(--line); aspect-ratio: 4/5; position:relative; overflow:hidden;
}

/* ---- Project and editorial imagery ---- */
.media-block{
  position:relative; width:100%; min-height:220px;
  background:
    repeating-linear-gradient(135deg, var(--concrete-light) 0 2px, transparent 2px 14px),
    var(--paper-dim);
  border:1px solid var(--line);
  display:flex; align-items:flex-end; padding:16px;
  overflow:hidden;
}
:root[data-theme="dark"] .media-block{ background: repeating-linear-gradient(135deg, #26272B 0 2px, transparent 2px 14px), #1D1E21; }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .media-block{ background: repeating-linear-gradient(135deg, #26272B 0 2px, transparent 2px 14px), #1D1E21; } }
.media-block > img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.media-block .tag{
  position:relative; z-index:1;
  font-family:var(--f-mono); font-size:11px; color:var(--concrete);
  background: var(--bg); border:1px solid var(--line); padding:6px 10px;
}
.media-block.ratio-16-9{ aspect-ratio:16/9; }
.media-block.ratio-4-5{ aspect-ratio:4/5; }
.media-block.ratio-1-1{ aspect-ratio:1/1; }

/* ---- Featured / project index ---- */
.filter-row{
  display:flex; gap:10px; flex-wrap:wrap; margin-bottom: 40px;
}
.filter-btn{
  font-family:var(--f-mono); font-size:12.5px; padding:9px 16px;
  border:1px solid var(--line); background:transparent; color:var(--fg);
  cursor:pointer; transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}
.filter-btn:hover{ border-color: var(--accent); }
.filter-btn[aria-pressed="true"]{ background: var(--ink); color: var(--paper); border-color: var(--ink); }
:root[data-theme="dark"] .filter-btn[aria-pressed="true"]{ background:var(--paper); color:var(--ink); border-color:var(--paper); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .filter-btn[aria-pressed="true"]{ background:var(--paper); color:var(--ink); border-color:var(--paper);} }

.project-list{ display:flex; flex-direction:column; }
.project-row{
  border-top:1px solid var(--line); padding-block: 30px;
  display:grid; grid-template-columns: 64px 1.3fr 1fr auto; gap:24px; align-items:center;
  cursor:pointer; background:none; border-left:none; border-right:none; border-bottom:none;
  width:100%; text-align:left; color:inherit;
}
.project-list .project-row:last-child{ border-bottom:1px solid var(--line); }
.project-row .idx{ font-family:var(--f-mono); font-size:13px; color:var(--concrete); }
.project-row .name{ font-family:var(--f-display); font-weight:600; font-size: clamp(21px,2.4vw,32px); }
.project-row .meta{ font-family:var(--f-mono); font-size:12.5px; color:var(--concrete); }
.project-row .go{ font-size:13px; font-weight:600; display:flex; align-items:center; gap:8px; white-space:nowrap; }
.project-row .go .stroke{ width:0; height:1px; background:currentColor; transition:width .22s ease; }
.project-row:hover .go .stroke{ width:22px; }
.project-row:hover{ background: var(--accent-soft); }
@media (max-width: 720px){
  .project-row{ grid-template-columns: 40px 1fr; row-gap:8px; }
  .project-row .meta, .project-row .go{ grid-column: 2; }
}

.project-detail{
  display:none; border-top:1px solid var(--line); padding-block:36px;
}
.project-detail.is-open{ display:block; }
.project-detail-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: clamp(24px,4vw,60px); }
@media (max-width: 860px){ .project-detail-grid{ grid-template-columns:1fr; } }
.detail-facts{ display:grid; grid-template-columns: repeat(2,1fr); gap:18px 20px; margin-top:22px; }
.detail-facts dt{ font-family:var(--f-mono); font-size:11px; color:var(--concrete); }
.detail-facts dd{ margin:5px 0 0; font-weight:600; }

.featured-project{
  display:grid; grid-template-columns: 1fr 1fr; gap:clamp(24px,4vw,60px); align-items:center;
  margin-bottom: 64px; padding-bottom:56px; border-bottom:1px solid var(--line);
}
@media (max-width: 860px){ .featured-project{ grid-template-columns:1fr; } }

/* ---- Services / sheet index ---- */
.sheet-index{ border-top:1px solid var(--line); }
.sheet-item{ border-bottom:1px solid var(--line); }
.sheet-item summary{
  list-style:none; cursor:pointer; display:grid;
  grid-template-columns: 1fr auto; align-items:baseline; gap:20px;
  padding-block: 26px;
}
.sheet-item summary::-webkit-details-marker{ display:none; }
.sheet-item .title{ font-family:var(--f-display); font-weight:600; font-size: clamp(20px,2.2vw,28px); }
.sheet-item .plus{ font-family:var(--f-mono); font-size:20px; color:var(--concrete); transition: transform .2s ease; }
.sheet-item[open] .plus{ transform: rotate(45deg); }
.sheet-body{ padding-bottom:30px; }
.sheet-body .body-text{ max-width:60ch; }
.sheet-body ul{ margin-top:14px; display:grid; gap:8px; }
.sheet-body li{ padding-left:18px; position:relative; font-size:14.5px; }
.sheet-body li::before{ content:""; position:absolute; left:0; top:9px; width:8px; height:1px; background:var(--accent); }
:root[data-theme="dark"] .sheet-body li::before{ background:var(--accent-on-ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .sheet-body li::before{ background:var(--accent-on-ink);} }

/* ---- Process ---- */
.process-list{ border-top:1px solid var(--line); }
.process-step{
  border-bottom:1px solid var(--line); padding-block:28px;
  display:grid; grid-template-columns: 70px 1fr 1.3fr; gap:24px;
}
.process-step .num{ font-family:var(--f-display); font-weight:700; font-size:22px; color:var(--concrete); }
.process-step .label{ font-family:var(--f-display); font-weight:600; font-size:22px; }
@media (max-width:760px){ .process-step{ grid-template-columns: 44px 1fr; } .process-step .body-text{ grid-column: 1 / -1; } }

/* ---- Principles ---- */
.principles-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.principle-card{ background:var(--bg); padding: 34px 28px; min-height:220px; display:flex; flex-direction:column; justify-content:space-between; }
.principle-card .code{ font-family:var(--f-mono); font-size:12px; color:var(--concrete); }
@media (max-width: 860px){ .principles-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .principles-grid{ grid-template-columns: 1fr; } }

/* ---- About timeline ---- */
.timeline{ border-top:1px solid var(--line); }
.timeline-row{ display:grid; grid-template-columns: 120px 1fr; gap:24px; padding-block:24px; border-bottom:1px solid var(--line); }
.timeline-row .year{ font-family:var(--f-mono); font-size:14px; color:var(--accent); }
:root[data-theme="dark"] .timeline-row .year{ color:var(--accent-on-ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .timeline-row .year{ color:var(--accent-on-ink);} }

/* ---- Team ---- */
.team-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 1px; background:var(--line); border:1px solid var(--line); }
@media (max-width:900px){ .team-grid{ grid-template-columns: repeat(2,1fr); } }
.team-card{ background:var(--bg); padding: 0 0 22px; }
.team-card .media-block{ aspect-ratio: 3/4; border:none; border-bottom:1px solid var(--line); }
.team-card .info{ padding: 18px 20px 0; }
.team-card .name{ font-family:var(--f-display); font-weight:600; font-size:19px; }
.team-card .role{ font-family:var(--f-mono); font-size:12px; color:var(--concrete); margin-top:4px; }

/* ---- Testimonials ---- */
.testimonial-card{
  border:1px solid var(--line); padding: 40px; display:flex; flex-direction:column; gap:22px; height:100%;
}
.testimonial-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
@media (max-width: 900px){ .testimonial-grid{ grid-template-columns:1fr; } }
.testimonial-grid .testimonial-card{ border:none; }
.testimonial-card q{ font-family: var(--f-display); font-weight:500; font-size:19px; line-height:1.35; quotes:none; }
.testimonial-card .who{ font-family:var(--f-mono); font-size:12px; color:var(--concrete); }
.placeholder-note{
  font-family:var(--f-mono); font-size:12px; color: var(--concrete);
  border:1px dashed var(--line); padding:16px 18px; margin-top:18px;
}

/* ---- Insights ---- */
.insight-featured{
  display:grid; grid-template-columns: 1.1fr .9fr; gap: clamp(24px,4vw,60px); align-items:stretch;
  padding-bottom:56px; margin-bottom:56px; border-bottom:1px solid var(--line);
}
@media (max-width:860px){ .insight-featured{ grid-template-columns:1fr; } }
.insight-grid{ display:grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; }
@media (max-width:900px){ .insight-grid{ grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width:680px){ .insight-grid{ grid-template-columns: 1fr; } }
.insight-card .media-block{ margin-bottom:18px; }
.insight-card .cat{ font-family:var(--f-mono); font-size:11.5px; color:var(--accent); }
:root[data-theme="dark"] .insight-card .cat{ color:var(--accent-on-ink); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .insight-card .cat{ color:var(--accent-on-ink);} }
.insight-card h3{ margin-top:8px; }
.insight-card .date{ font-family:var(--f-mono); font-size:11.5px; color:var(--concrete); margin-top:12px; display:block; }

/* ---- CTA band ---- */
.cta-band{
  background: var(--ink); color: var(--paper); text-align:left;
  padding-block: clamp(64px,9vw,110px); border-top:1px solid var(--accent-gold);
}
.cta-band .display-2{ max-width:16ch; }
.cta-actions{ margin-top:34px; display:flex; gap:16px; flex-wrap:wrap; }
.cta-band .btn-ghost{ color: var(--paper); border-color: var(--paper); }
.cta-band .btn-ghost:hover{ background: var(--paper); color: var(--ink); }

/* ---- Forms ---- */
.contact-form-panel{
  min-width:0;
  padding:clamp(22px,3.2vw,40px);
  background:var(--accent-soft);
  border:1px solid color-mix(in srgb, var(--fg) 24%, transparent);
  border-top:3px solid var(--accent-gold);
  scroll-margin-top:100px;
}
#start-a-project{ scroll-margin-top:100px; }
.form-intro{ margin-top:12px; }
.form-intro strong, .field .required{ color:var(--accent); }
:root[data-theme="dark"] .form-intro strong, :root[data-theme="dark"] .field .required{ color:var(--accent-on-ink); }
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .form-intro strong,
  :root:not([data-theme="light"]) .field .required{ color:var(--accent-on-ink); }
}
.contact-form{ margin-top:28px; }
.form-grid{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px 28px; }
@media (max-width:700px){ .form-grid{ grid-template-columns:minmax(0,1fr); } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size:14px; font-weight:600; }
.field .opt{ font-weight:400; color:var(--concrete); }
.field input, .field select, .field textarea{
  min-width:0; max-width:100%; min-height:50px;
  font-family: var(--f-body); font-size:15px; padding:13px 14px;
  background: var(--bg); color: var(--fg);
  border:1px solid color-mix(in srgb, var(--fg) 34%, transparent); border-radius: var(--radius);
  width:100%;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--accent-gold); }
.field textarea{ resize: vertical; min-height:120px; }
.file-field{
  min-width:0; border:1px dashed color-mix(in srgb, var(--fg) 34%, transparent);
  padding:20px; display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
}
.submit-row{ margin-top:30px; display:flex; align-items:center; gap:18px; flex-wrap:wrap; }

/* ---- Contact quick facts ---- */
.contact-grid{ display:grid; grid-template-columns: .8fr 1.2fr; gap: clamp(28px,5vw,80px); }
.contact-grid > *{ min-width:0; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-fact{ border-top:1px solid var(--line); padding-block:20px; }
.contact-fact dt{ font-family:var(--f-mono); font-size:11.5px; color:var(--concrete); }
.contact-fact dd{ margin:8px 0 0; font-size:17px; font-weight:600; overflow-wrap:anywhere; }
.social-row{ display:flex; gap:14px; margin-top:24px; flex-wrap:wrap; }
.social-row a{ font-family:var(--f-mono); font-size:12.5px; border:1px solid var(--line); padding:8px 14px; }
.social-row a:hover{ border-color:var(--accent); }
.map-block{ margin-top:0; }
.map-block iframe{
  display:block;
  width:100%;
  height:clamp(280px, 38vw, 450px);
  border:0;
}
@media (max-width:560px){
  .map-block iframe{ height:280px; }
  .contact-form-panel{ padding:20px 16px; }
  .contact-fact dd{ font-size:16px; }
  .file-field{ padding:16px; }
  .file-field input{ max-width:100%; }
}

/* ---- Footer ---- */
.site-footer{ background: var(--ink); color: var(--paper); padding-block: 72px 28px; }
.footer-top{ display:grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 32px; padding-bottom:56px; border-bottom:1px solid var(--line-dark); }
@media (max-width:900px){ .footer-top{ grid-template-columns: 1fr 1fr; } }
@media (max-width:560px){ .footer-top{ grid-template-columns: 1fr; } }
.footer-brand .display-2{ font-size: clamp(28px,4vw,40px); max-width:12ch; }
.footer-brand p{ margin-top:18px; max-width:38ch; color:#B9B7AE; }
.footer-col h4{ font-family:var(--f-mono); font-size:12px; color:#8B8E92; margin-bottom:16px; }
.footer-col ul{ display:grid; gap:12px; }
.footer-col a{ font-size:14.5px; color:#D4D2C9; }
.footer-col a:hover{ color: var(--paper); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:24px; gap:16px; flex-wrap:wrap; }
.footer-bottom .legal{ display:flex; gap:22px; flex-wrap:wrap; }
.footer-bottom a{ color:#8B8E92; font-size:13px; }
.footer-bottom a:hover{ color: var(--paper); }

/* ---- Utility layout ---- */
.stack-lg > * + *{ margin-top: 28px; }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; flex-wrap:wrap; margin-bottom:44px; }
.two-col{ display:grid; grid-template-columns: 1fr 1fr; gap: clamp(24px,4vw,64px); }
@media (max-width:860px){ .two-col{ grid-template-columns:1fr; } }

.badge-row{ display:flex; gap:14px; flex-wrap:wrap; }
.badge{ font-family:var(--f-mono); font-size:12px; border:1px solid var(--line); padding:8px 14px; }

/* ---- 404 ---- */
.error-page{ min-height: 70vh; display:flex; flex-direction:column; justify-content:center; }
.error-page .display-1{ font-size: clamp(80px,16vw,220px); }

/* ---- Empty state ---- */
.empty-state{ border:1px dashed var(--line); padding: 56px 32px; text-align:center; }
.empty-state .h3{ margin-bottom:10px; }