/* Code Shack Labs website · Blueprint identity
   Tokens come from tokens.css (--csl-*). This file paints the site. */

:root {
  --line: rgba(234, 242, 251, 0.18);
  --line-strong: rgba(234, 242, 251, 0.38);
  --paper-line: #C9D8E8;
  --paper-line-strong: #A9BFD6;
  --paper-ink: #10365F;
  --paper-muted: #4A5F78;
  --measure: 1100px;
  --gutter: clamp(16px, 4vw, 48px);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--csl-ground);
  color: var(--csl-ink);
  font-family: var(--csl-font-text);
  font-size: 16px;
  line-height: 1.6;
  background-image:
    linear-gradient(rgba(234, 242, 251, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234, 242, 251, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--csl-support); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--csl-ink); }
:focus-visible { outline: 2px solid var(--csl-cursor); outline-offset: 3px; }

/* Jumping to an anchor must clear the sticky header, or the heading lands under it. */
:target { scroll-margin-top: 84px; }

img, svg, object { max-width: 100%; }

.skip {
  position: absolute; left: 16px; top: -60px;
  background: var(--csl-cursor); color: var(--csl-navy-900);
  padding: 8px 12px; font-weight: 600; z-index: 100;
}
.skip:focus { top: 12px; }

.wrap { width: min(var(--measure), 100% - 2 * var(--gutter)); margin-inline: auto; }

/* ---------- Type ---------- */
h1, h2, h3 {
  font-family: var(--csl-font-display);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(38px, 6vw, 72px); font-variation-settings: "opsz" 72; }
h2 { font-size: clamp(28px, 3.6vw, 44px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); line-height: 1.2; }
p { margin: 0 0 1em; max-width: 66ch; }
.lede { font-size: clamp(17px, 1.4vw, 20px); color: var(--csl-muted); max-width: 58ch; }
.lede b { color: var(--csl-ink); font-weight: 500; }
.mono { font-family: var(--csl-font-code); }
.sheet-ref {
  font-family: var(--csl-font-code);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--csl-cursor);
  font-weight: 600;
}
.motto {
  font-family: var(--csl-font-code);
  font-weight: 600;
  color: var(--csl-cursor);
  font-size: 15px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--csl-font-text);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 20px;
  border: 1.5px solid var(--csl-cursor);
  color: var(--csl-navy-900);
  background: var(--csl-cursor);
  text-decoration: none;
  line-height: 1.2;
}
.btn:hover { background: var(--csl-pencil-300); border-color: var(--csl-pencil-300); color: var(--csl-navy-900); }
.btn.ghost { background: transparent; color: var(--csl-ink); border-color: var(--line-strong); }
.btn.ghost:hover { border-color: var(--csl-ink); background: transparent; color: var(--csl-ink); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

/* ---------- Header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(16, 54, 95, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; gap: 24px; position: relative;
}
.brand { display: block; text-decoration: none; color: inherit; flex: none; }
.brand-clip { display: block; width: 152px; height: 44px; overflow: hidden; position: relative; }
.brand-clip img, .brand-clip object {
  position: absolute; left: -10px; top: -26px;
  width: 168px; height: 105px; display: block;
}
.nav { display: flex; gap: 6px; align-items: center; }
.nav a {
  text-decoration: none; color: var(--csl-muted); font-weight: 500; font-size: 15px;
  padding: 8px 12px; border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--csl-ink); }
.nav a[aria-current="page"] { color: var(--csl-ink); border-bottom-color: var(--csl-cursor); }
.nav .btn { color: var(--csl-navy-900); padding: 9px 16px; margin-left: 8px; font-size: 14px; border-bottom: 1.5px solid var(--csl-cursor); }
.nav .btn:hover { color: var(--csl-navy-900); }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line-strong); color: var(--csl-ink);
  width: 42px; height: 42px; cursor: pointer; padding: 0;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: currentColor; position: relative; margin: 0 auto; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav {
    display: none; position: absolute; left: calc(-1 * var(--gutter)); right: calc(-1 * var(--gutter)); top: 100%;
    background: var(--csl-navy-800); border-bottom: 1px solid var(--line-strong);
    flex-direction: column; align-items: stretch; padding: 8px var(--gutter) 16px; gap: 0;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 4px; border-bottom: 1px solid var(--line); font-size: 17px; }
  .nav a[aria-current="page"] { border-bottom-color: var(--line); color: var(--csl-cursor); }
  .nav .btn { margin: 14px 0 0; text-align: center; border-bottom: 1.5px solid var(--csl-cursor); }
}

/* ---------- Sheets (sections) ---------- */
main { flex: 1; }
.sheet { padding-block: clamp(56px, 8vw, 104px); border-bottom: 1px solid var(--line-strong); }
.sheet.paper {
  background: var(--csl-paper); color: var(--paper-ink);
  border-bottom-color: var(--paper-line-strong);
  color-scheme: light;
}
.sheet.paper .lede, .sheet.paper .muted { color: var(--paper-muted); }
.sheet.paper .lede b { color: var(--paper-ink); }
.sheet.paper a { color: var(--csl-navy-500); }
.sheet.paper a:hover { color: var(--paper-ink); }
.sheet.paper .sheet-ref { color: var(--csl-pencil-700); }
.sheet.paper .btn { color: var(--csl-navy-900); }
.sheet.paper .btn.ghost { color: var(--paper-ink); border-color: var(--paper-line-strong); }
.sheet.paper .btn.ghost:hover { border-color: var(--paper-ink); color: var(--paper-ink); }
.sheet.surface { background: var(--csl-surface); }
.muted { color: var(--csl-muted); }

.sheet-head { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; margin-bottom: 20px; }
.sheet-head + .lede { margin-bottom: 36px; }

/* ---------- Cover (home hero) ---------- */
.cover { padding-block: clamp(40px, 6vw, 88px) clamp(56px, 8vw, 104px); border-bottom: 1px solid var(--line-strong); }
.cover-grid { display: grid; gap: 40px; align-items: center; grid-template-columns: 1fr; }
@media (min-width: 900px) { .cover-grid { grid-template-columns: 1.05fr 0.95fr; gap: 56px; } }
.cover h1 { margin: 12px 0 20px; }
.frame {
  position: relative; border: 1px solid var(--line-strong); background: var(--csl-ground);
  aspect-ratio: 4 / 3; display: grid; grid-template-columns: 1fr; grid-template-rows: 1fr;
  place-items: center; padding: 7% 9% 27%;
}
.frame > img, .frame > object { width: 100%; height: 100%; max-height: 100%; object-fit: contain; display: block; }
.corner { position: absolute; width: 16px; height: 16px; border: 1.5px solid var(--csl-cursor); }
.corner.tl { left: -1px; top: -1px; border-right: 0; border-bottom: 0; }
.corner.tr { right: -1px; top: -1px; border-left: 0; border-bottom: 0; }
.corner.bl { left: -1px; bottom: -1px; border-right: 0; border-top: 0; }
.corner.br { right: -1px; bottom: -1px; border-left: 0; border-top: 0; }
.titleblock {
  position: absolute; right: 0; bottom: 0;
  border-left: 1px solid var(--line-strong); border-top: 1px solid var(--line-strong);
  display: grid; grid-template-columns: auto auto;
  font-family: var(--csl-font-code); font-size: 10.5px; letter-spacing: 0.04em; color: var(--csl-muted);
  background: var(--csl-ground);
}
.titleblock span { padding: 5px 10px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.titleblock span:nth-child(2n) { border-right: 0; }
.titleblock span:nth-last-child(-n+2) { border-bottom: 0; }
.titleblock b { color: var(--csl-ink); font-weight: 600; }
@media (max-width: 420px) { .titleblock { font-size: 9px; } .titleblock span { padding: 4px 7px; } }

/* ---------- Schedule (services table) ---------- */
.schedule { width: 100%; border-collapse: collapse; margin-top: 8px; }
.schedule th, .schedule td { text-align: left; vertical-align: top; padding: 18px 16px 18px 0; border-bottom: 1px solid var(--paper-line); }
.schedule th {
  font-family: var(--csl-font-code); font-weight: 600; font-size: 12px; letter-spacing: 0.06em;
  color: var(--paper-muted); border-bottom: 2px solid var(--paper-line-strong); padding-block: 10px;
}
.schedule td.ref { font-family: var(--csl-font-code); font-weight: 600; color: var(--csl-pencil-700); width: 72px; white-space: nowrap; }
.schedule td.name { font-family: var(--csl-font-display); font-size: 21px; line-height: 1.25; width: 30%; padding-right: 24px; }
.schedule td.name a { text-decoration: none; color: var(--paper-ink); }
.schedule td.name a:hover { text-decoration: underline; }
.schedule td p { margin: 0 0 6px; max-width: 60ch; }
.schedule td .fits { font-size: 14px; color: var(--paper-muted); }
.schedule tr:last-child td { border-bottom: 0; }
@media (max-width: 700px) {
  .schedule thead { display: none; }
  .schedule tr { display: grid; grid-template-columns: 60px 1fr; padding: 16px 0; border-bottom: 1px solid var(--paper-line); }
  .schedule tr:last-child { border-bottom: 0; }
  .schedule td { border: 0; padding: 0; }
  .schedule td.name { grid-column: 2; width: auto; padding-right: 0; margin-bottom: 6px; }
  .schedule td.ref { grid-column: 1; grid-row: 1 / span 2; }
  .schedule td.desc { grid-column: 2; }
}

/* ---------- Steps (process) ---------- */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: 0; }
.steps > li {
  counter-increment: step; display: grid; grid-template-columns: 88px 1fr; gap: 20px;
  padding: 28px 0; border-top: 1px solid var(--line);
}
.steps > li:last-child { border-bottom: 1px solid var(--line); }
.steps > li::before {
  content: "0" counter(step);
  font-family: var(--csl-font-code); font-weight: 600; font-size: 13px; letter-spacing: 0.08em;
  color: var(--csl-cursor); padding-top: 6px;
}
.steps h3 { margin-bottom: 8px; }
.steps p { margin-bottom: 0; }
.steps .out { margin-top: 10px; font-size: 14.5px; color: var(--csl-muted); }
.steps .out b { color: var(--csl-ink); font-weight: 600; }
@media (max-width: 560px) { .steps li { grid-template-columns: 1fr; gap: 6px; } }

/* ---------- Work panels ---------- */
.work-grid { display: grid; gap: 24px; grid-template-columns: 1fr; margin-top: 12px; }
@media (min-width: 860px) { .work-grid { grid-template-columns: 1fr 1fr; } }
.panel {
  border: 1px solid var(--paper-line-strong); background: #FFFFFF; color: var(--paper-ink);
  display: grid; grid-template-rows: auto 1fr; min-width: 0;
}
.panel .visual {
  background: var(--csl-ground); aspect-ratio: 16 / 8; display: grid; place-items: center; padding: 20px;
  border-bottom: 1px solid var(--paper-line-strong); position: relative; overflow: hidden;
  background-image:
    linear-gradient(rgba(234, 242, 251, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234, 242, 251, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
}
.panel .visual svg { width: 100%; height: 100%; }
.panel .body { padding: 22px 24px 26px; }
.panel .body h3 { margin-bottom: 8px; }
.panel .body p { margin-bottom: 10px; }
.panel .meta { font-size: 14px; color: var(--paper-muted); margin: 0 0 14px; }
.panel .meta b { color: var(--paper-ink); font-weight: 600; }
.panel ul { margin: 0 0 14px; padding-left: 18px; }
.panel li { margin-bottom: 4px; }

/* ---------- Facts / reasons ---------- */
.facts { display: grid; gap: 28px 40px; grid-template-columns: 1fr; margin-top: 8px; }
@media (min-width: 760px) { .facts { grid-template-columns: repeat(3, 1fr); } }
.facts h3 { margin-bottom: 8px; padding-top: 14px; border-top: 2px solid var(--csl-cursor); }
.facts p { margin: 0; font-size: 15.5px; }

.two-col { display: grid; gap: 32px 56px; grid-template-columns: 1fr; }
@media (min-width: 860px) { .two-col { grid-template-columns: 1.1fr 0.9fr; } }
.two-col h2 { margin-bottom: 18px; }
.aside-block { border-left: 2px solid var(--csl-cursor); padding-left: 20px; }
.aside-block p { margin-bottom: 10px; }

blockquote.slogan {
  margin: 0; font-family: var(--csl-font-display); font-size: clamp(26px, 3.4vw, 40px); line-height: 1.15;
  max-width: 22ch;
}
blockquote.slogan span { display: block; }
blockquote.slogan span:nth-child(2) { color: var(--csl-support); }
blockquote.slogan span:nth-child(3) { color: var(--csl-cursor); }

/* ---------- Definition rows (about, contact) ---------- */
.defs { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 10px 24px; font-size: 15.5px; }
.defs dt { color: var(--csl-muted); }
.defs dd { margin: 0; }
.sheet.paper .defs dt { color: var(--paper-muted); }
@media (max-width: 480px) { .defs { grid-template-columns: 1fr; gap: 2px; } .defs dd { margin-bottom: 10px; } }

/* ---------- Contact form ---------- */
.form { display: grid; gap: 18px; max-width: 560px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: 14.5px; }
.form input, .form textarea, .form select {
  font: inherit; font-size: 16px; padding: 11px 12px;
  border: 1px solid var(--paper-line-strong); background: #FFFFFF; color: var(--paper-ink);
  border-radius: 0; width: 100%;
}
.form input:focus, .form textarea:focus, .form select:focus { border-color: var(--csl-navy-500); outline: 2px solid var(--csl-cursor); outline-offset: 1px; }
.form textarea { min-height: 150px; resize: vertical; }
.form .hint { font-weight: 400; color: var(--paper-muted); font-size: 13.5px; }
.form .row2 { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .form .row2 { grid-template-columns: 1fr 1fr; } }
.form .status { font-size: 14.5px; color: var(--paper-muted); min-height: 1.5em; margin: 0; }
.form button.btn { cursor: pointer; justify-self: start; }

/* ---------- CTA band ---------- */
.cta-band .wrap { display: grid; gap: 24px; align-items: center; grid-template-columns: 1fr; }
@media (min-width: 800px) { .cta-band .wrap { grid-template-columns: 1fr auto; } }
.cta-band h2 { margin-bottom: 10px; }
.cta-band p { margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-foot { background: var(--csl-navy-900); border-top: 1px solid var(--line-strong); padding-block: 48px 32px; font-size: 14.5px; }
.site-foot .cols { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .site-foot .cols { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-foot p { color: var(--csl-muted); margin-bottom: 8px; max-width: 46ch; }
.site-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-foot a { color: var(--csl-ink); text-decoration: none; }
.site-foot a:hover { color: var(--csl-cursor); }
.site-foot h4 { margin: 0 0 12px; font-size: 14px; font-weight: 600; color: var(--csl-ink); }
.site-foot .foot-logo { width: 150px; height: auto; display: block; margin-bottom: 14px; }
.site-foot .legal { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--csl-muted); }
.site-foot .legal .motto { font-size: 13px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding-block: clamp(48px, 7vw, 88px) clamp(40px, 6vw, 72px); border-bottom: 1px solid var(--line-strong); }
.page-hero h1 { font-size: clamp(34px, 5vw, 60px); margin: 10px 0 18px; }
.page-hero .lede { margin-bottom: 0; }

/* ---------- 404 ---------- */
.notfound { padding-block: clamp(64px, 10vw, 140px); }
.notfound .big { font-family: var(--csl-font-code); font-size: clamp(64px, 12vw, 140px); font-weight: 600; line-height: 1; color: var(--csl-cursor); margin-bottom: 20px; }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}