/* BuildMind — Precision Swiss */

@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url(/assets/fonts/inter-400.woff2) format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url(/assets/fonts/inter-500.woff2) format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url(/assets/fonts/inter-600.woff2) format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 800; font-display: swap; src: url(/assets/fonts/inter-800.woff2) format('woff2'); }

:root {
  --paper: #FAFAFA;
  --ink: #18181B;
  --body: #52525B;
  --mut: #71717A;
  --mut2: #A1A1AA;
  --line: #E4E4E7;
  --accent: #FF4D00;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font: 400 16px/1.65 var(--font); background: var(--paper); color: var(--ink); -webkit-font-smoothing: antialiased; }

::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 1px; }

.container { max-width: 1080px; margin: 0 auto; padding-inline: clamp(1.25rem, 5vw, 3rem); }
section { padding-block: clamp(4rem, 9vw, 7rem); }

.skip { position: absolute; left: -200vw; top: 0; background: var(--ink); color: var(--paper); padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 0; }

/* ── Nav ─────────────────────────────────────── */
.nav { position: sticky; top: 0; z-index: 50; background: transparent; transition: background .25s ease-out, box-shadow .25s ease-out; }
.nav[data-scrolled] { background: rgba(250, 250, 250, .86); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding-block: 1.15rem; }
.nav nav { display: flex; gap: clamp(1rem, 3vw, 2rem); }
.nav nav a { font-size: .8rem; font-weight: 500; color: var(--body); text-decoration: none; padding-block: .25rem; }

.wordmark { font-weight: 800; font-size: .95rem; letter-spacing: .18em; color: var(--ink); text-decoration: none; }
.wordmark .wm-accent { color: var(--accent); }
.wordmark .tm { font-size: .5em; letter-spacing: 0; vertical-align: super; color: var(--mut); font-weight: 600; }
.wordmark.small { font-size: .75rem; }

/* ── Animated underline (links + nav) ────────── */
.nav nav a, .link, footer nav a {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: left calc(100% - 0px);
  transition: background-size .2s ease-out;
}
.nav nav a:hover, .nav nav a:focus-visible,
.link:hover, .link:focus-visible,
footer nav a:hover, footer nav a:focus-visible { background-size: 100% 2px; }

/* ── Type ────────────────────────────────────── */
.eyebrow { font-size: .65rem; font-weight: 600; letter-spacing: .3em; color: var(--mut); margin-bottom: 1.4rem; }
.eyebrow.accent { color: var(--accent); }
h1 { font-size: clamp(2.6rem, 6.5vw, 4.5rem); font-weight: 800; line-height: 1.04; letter-spacing: -.03em; max-width: 15ch; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; max-width: 24ch; }
h3 { font-size: 1.05rem; font-weight: 600; }
.lede { font-size: clamp(1rem, 1.6vw, 1.125rem); color: var(--body); max-width: 54ch; margin-top: 1.6rem; }

/* ── Hero ────────────────────────────────────── */
.hero { padding-block: clamp(5rem, 11vw, 8.5rem) clamp(4rem, 8vw, 6rem); }
.hero-rule { width: 56px; height: 3px; background: var(--accent); margin-top: 2rem; transform: scaleX(0); transform-origin: left; transition: transform .36s ease-out .15s; }
.hero-rule.go { transform: scaleX(1); }
.cta-row { display: flex; align-items: center; gap: 1.6rem; margin-top: 2.2rem; flex-wrap: wrap; }

.btn { display: inline-block; background: var(--ink); color: var(--paper); font-size: .85rem; font-weight: 600; text-decoration: none; padding: .85rem 1.7rem; border-radius: 2px; transition: transform .2s ease-out, box-shadow .2s ease-out; }
.btn:hover, .btn:focus-visible { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(24, 24, 27, .18); }
.btn:active { transform: translateY(0); box-shadow: none; }
.link { font-size: .85rem; font-weight: 600; color: var(--ink); text-decoration: none; padding-bottom: .15rem; }

/* ── Truth strip ─────────────────────────────── */
.strip { border-block: 1px solid var(--line); padding-block: 0; }
.strip-inner { display: grid; grid-template-columns: repeat(3, 1fr); }
.strip-inner p { font-size: .8rem; font-weight: 500; color: var(--body); padding: 1.3rem 1.5rem 1.3rem 0; }
.strip-inner p + p { border-left: 1px solid var(--line); padding-left: 1.5rem; }

/* ── Services ────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
.card { position: relative; border-top: 2px solid var(--ink); padding-top: 1.2rem; }
.card-num { display: block; font-size: .75rem; font-weight: 800; color: var(--accent); margin-bottom: .5rem; }
.card p { font-size: .85rem; color: var(--body); margin-top: .55rem; }
.ghost-num { position: absolute; right: 0; top: .4rem; font-size: clamp(4rem, 8vw, 6rem); font-weight: 800; line-height: 1; color: var(--ink); opacity: .05; pointer-events: none; user-select: none; }

/* ── Approach ────────────────────────────────── */
.dark { background: var(--ink); color: var(--paper); }
.dark .eyebrow { color: var(--accent); }
.dark ::selection { background: var(--accent); color: #fff; }
.receipts { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem 2.6rem; margin-top: 2.8rem; max-width: 760px; }
.receipt { font-size: .85rem; line-height: 1.65; color: var(--mut2); border-left: 2px solid var(--accent); padding-left: 1.1rem; }

/* ── About ───────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2rem, 6vw, 4rem); }
.about-grid p + p { margin-top: 1rem; }
.about-grid div:last-child p { font-size: .95rem; color: var(--body); line-height: 1.7; }

/* ── Contact ─────────────────────────────────── */
.contact { border-top: 1px solid var(--line); }
.contact h2 { font-size: clamp(2rem, 4.5vw, 2.8rem); }

/* ── Footer ──────────────────────────────────── */
footer { border-top: 1px solid var(--line); padding-block: 1.6rem 2rem; }
.foot-inner { display: flex; align-items: center; justify-content: space-between; }
footer nav { display: flex; gap: 1.4rem; }
footer nav a { font-size: .75rem; color: var(--mut); text-decoration: none; }
.foot-legal { margin-top: 1rem; }
.foot-legal p { font-size: .7rem; color: var(--mut2); line-height: 1.7; }

/* ── Legal pages ─────────────────────────────── */
.legal { max-width: 720px; }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: .4rem; }
.legal .updated { font-size: .75rem; color: var(--mut); margin-bottom: 2.2rem; }
.legal h2 { font-size: 1.1rem; margin: 2rem 0 .6rem; max-width: none; }
.legal p, .legal li { font-size: .92rem; color: var(--body); }
.legal ul { padding-left: 1.2rem; margin-top: .4rem; }
.legal li + li { margin-top: .3rem; }

/* ── 404 ─────────────────────────────────────── */
.nf { min-height: 55vh; display: flex; align-items: center; }
.nf-num { font-size: clamp(6rem, 18vw, 11rem); font-weight: 800; line-height: 1; color: var(--ink); opacity: .06; }
.nf h1 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-top: -1.5rem; }

/* ── Reveal motion ───────────────────────────── */
[data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .25s ease-out, transform .25s ease-out; transition-delay: var(--d, 0ms); }
[data-reveal].in { opacity: 1; transform: none; }

/* ── Responsive ──────────────────────────────── */
@media (max-width: 720px) {
  .strip-inner { grid-template-columns: 1fr; }
  .strip-inner p { padding: 1rem 0; }
  .strip-inner p + p { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .cards { grid-template-columns: 1fr; gap: 2.4rem; }
  .receipts { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .nav nav { gap: .9rem; }
  .nav nav a { font-size: .75rem; }
  .foot-inner { flex-direction: column; gap: .8rem; align-items: flex-start; }
}

/* ── Reduced motion ──────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero-rule { transform: scaleX(1); }
}