/* Level 100 Labs — design tokens */
@font-face {
  font-family: "Bricolage Grotesque";
  src: url("assets/fonts/bricolage-grotesque.woff2") format("woff2");
  font-weight: 400 800;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/instrument-sans.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 400 500;
  font-display: swap;
}

:root {
  --paper: #F3F0E8;
  --paper-2: #EAE6DB;
  --ink: #121210;
  --ink-2: #4A4942;
  --line: #D6D1C3;
  --accent: #FF4D1A;
  --accent-text: #B52F09;   /* accent dark enough for text on paper */
  --mint: #9BE8B4;
  --on-ink: #F3F0E8;
  --on-ink-2: #A9A69B;
  --line-ink: #2E2E29;

  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --body: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --wrap: 1180px;
  --gutter: clamp(20px, 4vw, 40px);
  --radius: 14px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul, ol, dl, dd, figure, pre { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; }
::selection { background: var(--accent); color: var(--ink); }

.wrap { width: 100%; max-width: calc(var(--wrap) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--ink); color: var(--on-ink); padding: 10px 16px; border-radius: 8px; }
.skip:focus { top: 12px; }

h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -0.025em; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 6.4vw, 5.25rem); line-height: 0.98; letter-spacing: -0.04em; }
h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); line-height: 1.05; }
h3 { font-size: 1.4rem; line-height: 1.2; }
p { text-wrap: pretty; }

.eyebrow {
  font: 500 0.78rem/1.4 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-text);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px;
  border-radius: 999px; border: 1.5px solid transparent;
  font: 600 1rem/1 var(--body); text-decoration: none; white-space: nowrap;
  cursor: pointer;
  transition: transform .18s var(--ease), background-color .18s, color .18s, border-color .18s;
}
.btn:active { transform: scale(.97); }
.btn-sm { min-height: 44px; padding: 0 18px; font-size: .94rem; }
.btn-lg { min-height: 60px; padding: 0 32px; font-size: 1.15rem; }
.btn-accent { background: var(--accent); color: var(--ink); }
.btn-accent:hover { background: #FF6A3D; }
.btn-ink { background: var(--ink); color: var(--on-ink); }
.btn-ink:hover { background: #2B2B26; }
.btn-ghost { border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--on-ink); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; min-height: 44px; border-radius: 6px; }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-name { font: 700 1.12rem/1 var(--display); letter-spacing: -0.02em; white-space: nowrap; }
.nav { display: flex; gap: 4px; }
.nav a { padding: 12px 14px; border-radius: 8px; text-decoration: none; font-weight: 500; font-size: .96rem; color: var(--ink-2); transition: color .15s; }
.nav a:hover { color: var(--ink); }

/* Hero */
.hero { padding-block: clamp(56px, 9vw, 120px) clamp(64px, 9vw, 120px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-copy h1 { margin-top: 22px; }
.lede { margin-top: 28px; max-width: 34em; font-size: clamp(1.08rem, 1.5vw, 1.25rem); line-height: 1.55; color: var(--ink-2); }
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }

.sheet {
  background: var(--ink); color: var(--on-ink);
  border-radius: 20px; padding: 22px 24px 20px;
  font-family: var(--mono); font-size: .86rem;
  box-shadow: 10px 10px 0 var(--accent);
  margin-right: 10px;
}
.sheet-head, .sheet-foot { display: flex; justify-content: space-between; align-items: center; color: var(--on-ink-2); }
.sheet-head { padding-bottom: 16px; border-bottom: 1px solid var(--line-ink); }
.sheet-lv { color: var(--ink); background: var(--accent); padding: 4px 9px; border-radius: 6px; font-weight: 500; }
.sheet-list li { display: grid; grid-template-columns: 28px 1fr; column-gap: 8px; row-gap: 4px; padding: 15px 0; border-bottom: 1px solid var(--line-ink); }
.sheet-k { color: var(--on-ink-2); }
.sheet-n { font: 600 1.06rem/1.2 var(--display); letter-spacing: -0.01em; }
.sheet-d { grid-column: 2; color: var(--on-ink-2); font-size: .8rem; }
.sheet-foot { padding-top: 16px; gap: 12px; font-size: .78rem; white-space: nowrap; }
.sheet-ok { color: var(--mint); flex: none; }
.sheet-ok::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); margin-right: 7px; vertical-align: 1px; }

/* Sections */
.section { padding-block: clamp(64px, 9vw, 120px); border-top: 1px solid var(--line); }
.section-tint { background: var(--paper-2); }
.section-head { max-width: 46rem; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head h2 { margin-top: 14px; }
.section-sub { margin-top: 18px; color: var(--ink-2); font-size: 1.1rem; max-width: 38em; }

/* Services */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.svc { background: #FBF9F4; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 3vw, 34px); display: flex; flex-direction: column; }
.svc-wide { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.svc-num { font: 500 .8rem/1 var(--mono); color: var(--accent-text); letter-spacing: .06em; }
.svc-wide .svc-num { color: var(--accent); }
.svc h3 { margin-top: 16px; }
.svc-wide h3 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
.svc h3 + p { margin-top: 12px; color: var(--ink-2); }
.svc-wide h3 + p { color: #C9C6BB; font-size: 1.06rem; max-width: 34em; }
.svc-list { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); display: grid; gap: 8px; font-size: .97rem; }
.svc:not(.svc-wide) .svc-list { margin-top: auto; }
.svc:not(.svc-wide) h3 + p { margin-bottom: 24px; }
.svc-wide .svc-list { border-color: var(--line-ink); }
.svc-list li { position: relative; padding-left: 20px; }
.svc-list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 9px; height: 2px; background: var(--accent); }
.tags { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font: 400 .78rem/1 var(--mono); padding: 7px 10px; border: 1px solid var(--line-ink); border-radius: 6px; color: #C9C6BB; }

.term { background: #1B1B18; border: 1px solid var(--line-ink); border-radius: 12px; overflow: hidden; min-width: 0; }
.term-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; border-bottom: 1px solid var(--line-ink); font: 400 .76rem/1 var(--mono); color: var(--on-ink-2); }
.term pre { padding: 18px 18px 20px; overflow-x: auto; white-space: pre-wrap; font: 400 .84rem/1.75 var(--mono); color: #DAD7CC; }
.term pre:focus-visible { outline-offset: -3px; outline-color: var(--on-ink); }
.c-k { color: var(--accent); } .c-s { color: #E8D9A6; } .c-n { color: #9CC7FF; } .c-p { color: var(--on-ink-2); } .c-ok { color: var(--mint); }

.also { margin-top: 16px; display: grid; grid-template-columns: 200px 1fr; gap: 16px 32px; align-items: baseline; padding: 24px clamp(24px, 3vw, 34px); border: 1px dashed #B9B3A2; border-radius: var(--radius); }
.also-title { font: 500 .8rem/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.also-list { display: flex; flex-wrap: wrap; gap: 6px 26px; font-weight: 500; }

/* Approach */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 4vw, 56px); }
.steps li { border-top: 2px solid var(--ink); padding-top: 20px; }
.step-n { font: 500 .8rem/1 var(--mono); color: var(--accent-text); letter-spacing: .06em; }
.steps h3 { margin-top: 14px; font-size: 1.6rem; }
.steps p { margin-top: 10px; color: var(--ink-2); }

/* Company */
.company { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.company .section-head { margin-bottom: 0; }
.facts div { display: grid; grid-template-columns: 11rem 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.facts div:first-child { border-top: 1px solid var(--line); }
.facts dt { font: 400 .8rem/1.9 var(--mono); color: var(--ink-2); text-transform: uppercase; letter-spacing: .05em; }
.facts dd { font-weight: 500; }

/* CTA */
.cta { background: var(--ink); color: var(--on-ink); padding-block: clamp(72px, 10vw, 140px); }
.cta-inner { display: flex; flex-direction: column; align-items: flex-start; }
.cta h2 { font-size: clamp(2.4rem, 6vw, 4.6rem); letter-spacing: -0.04em; line-height: 1; }
.cta p { margin-top: 20px; color: #C9C6BB; font-size: 1.15rem; }
.cta .btn { margin-top: 36px; }
.cta :focus-visible { outline-color: var(--on-ink); }

/* Footer */
.site-footer { background: var(--ink); color: var(--on-ink-2); border-top: 1px solid var(--line-ink); font-size: .92rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 24px; padding-block: 20px; }
.site-footer nav { display: flex; flex-wrap: wrap; margin-inline: -12px; }
.site-footer a { padding: 12px; border-radius: 6px; text-decoration: none; transition: color .15s; }
.site-footer a:hover { color: var(--on-ink); }
.site-footer :focus-visible { outline-color: var(--on-ink); }

/* Motion (opt-in via .js, off for reduced motion) */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
  .js .reveal.in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: no-preference) and (min-width: 961px) {
  .js .services .reveal:nth-child(3) { transition-delay: .07s; }
  .js .services .reveal:nth-child(4) { transition-delay: .14s; }
  .js .steps .reveal:nth-child(2) { transition-delay: .07s; }
  .js .steps .reveal:nth-child(3) { transition-delay: .14s; }
}
@media print {
  .js .reveal { opacity: 1; transform: none; }
  .site-header { position: static; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .sheet { max-width: 520px; }
  .services { grid-template-columns: 1fr; }
  .svc-wide { grid-template-columns: 1fr; }
  .svc:not(.svc-wide) h3 + p { margin-bottom: 0; }
  .svc:not(.svc-wide) .svc-list { margin-top: 20px; }
  .company { grid-template-columns: 1fr; }
  .also { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav { display: none; }
  .steps { grid-template-columns: 1fr; }
  .facts div { grid-template-columns: 1fr; gap: 2px; }
}
@media (max-width: 400px) {
  .header-inner { gap: 10px; }
  .brand { gap: 8px; }
  .brand-mark { width: 30px; height: 30px; }
  .brand-name { font-size: .95rem; }
  .btn-sm { padding: 0 13px; font-size: .88rem; }
  .hero-actions .btn { width: 100%; }
}
@media (max-width: 480px) {
  .term pre { overflow-wrap: anywhere; font-size: .78rem; padding: 14px; }
}
@media (max-width: 360px) {
  .brand-name { display: none; }
  .sheet-foot span:first-child { display: none; }
  .sheet-foot { justify-content: flex-end; }
}

/* Splash cursor (WebGL fluid trail), mounted by splash-cursor.js */
.splash-cursor { position: fixed; inset: 0; pointer-events: none; }
.splash-cursor__canvas { display: block; width: 100%; height: 100%; }
@media print { .splash-cursor { display: none; } }