/* ============================================================
   THE NEW LABS
   Pure black on pure white. No grays, no shadows, no photos.
   Hierarchy from weight, scale, spacing, and hairline rules.
   Sans-serif. Apple-like restraint, shadcn-style components.
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg:   #ffffff;
  --fg:   #000000;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --radius: 12px;
  --radius-sm: 8px;

  --gut:  clamp(1.25rem, 5vw, 5rem);
  --maxw: 1200px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --line: #000000;            /* every border is solid black */
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  font-feature-settings: "cv11", "ss01";
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
em { font-style: italic; }
strong { font-weight: 600; }

h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.025em; line-height: 1.05; }

.wrap { max-width: var(--maxw); margin: 0 auto; }

/* Accessibility */
.skip-link {
  position: fixed; top: -120px; left: 1rem; z-index: 999;
  background: #000; color: #fff; padding: 0.6rem 1rem; border-radius: var(--radius-sm);
  font-size: 0.85rem; transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 2px solid #000; outline-offset: 3px; border-radius: 3px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Eyebrow / mono-ish label ---------- */
.eyebrow {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow .n { /* numbered index */ font-variant-numeric: tabular-nums; }

/* ============================================================
   BUTTONS  (shadcn-style, monochrome)
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  height: 44px; padding: 0 1.25rem; border-radius: var(--radius-sm);
  font-family: inherit; font-size: 0.95rem; font-weight: 500; letter-spacing: -0.01em;
  border: 1px solid var(--line); cursor: pointer; white-space: nowrap;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn .arr { transition: transform 0.25s var(--ease); }
.btn:hover .arr { transform: translateX(3px); }
.btn--primary { background: #000; color: #fff; }
.btn--primary:hover { background: #fff; color: #000; }
.btn--outline { background: #fff; color: #000; }
.btn--outline:hover { background: #000; color: #fff; }
.btn--sm { height: 38px; padding: 0 0.95rem; font-size: 0.875rem; }

/* ---------- Badge / pill ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 0.45rem;
  height: 28px; padding: 0 0.7rem; border: 1px solid var(--line); border-radius: 100px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: #000; }
.badge--solid { background: #000; color: #fff; }
.badge--solid .dot { background: #fff; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.8);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
          backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem var(--gut);
}
.brand { font-weight: 700; font-size: 0.95rem; letter-spacing: 0.06em; }
.site-nav { display: flex; align-items: center; gap: 0.4rem; }
.site-nav a {
  font-size: 0.9rem; font-weight: 500; padding: 0.45rem 0.8rem; border-radius: var(--radius-sm);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.site-nav a:hover { background: #000; color: #fff; }
.site-nav .btn { margin-left: 0.4rem; }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: #fff; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 18px; height: 1.5px; background: #000;
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle span::before { position: relative; top: -5px; }
.nav-toggle span::after  { position: relative; top: 3.5px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 800px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0.25rem;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 0.75rem var(--gut) 1.1rem;
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
  }
  .site-nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .site-nav a { padding: 0.7rem 0.8rem; }
  .site-nav .btn { margin: 0.4rem 0 0; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: clamp(4rem, 12vh, 8rem) var(--gut) clamp(3rem, 7vh, 5rem); }
.hero__inner { max-width: var(--maxw); margin: 0 auto; text-align: center; }
.hero .badge { margin-bottom: 2rem; }
.hero__title {
  font-size: clamp(2.7rem, 8.5vw, 6rem); font-weight: 600;
  letter-spacing: -0.04em; line-height: 0.98; max-width: 16ch; margin: 0 auto 1.6rem;
}
.hero__sub {
  font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 400; line-height: 1.45;
  max-width: 46ch; margin: 0 auto 2.4rem;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; }
.hero__note { margin-top: 1.4rem; font-size: 0.82rem; font-weight: 500; letter-spacing: 0.02em; }

/* ---------- Product mockup window ---------- */
.mock {
  max-width: var(--maxw); margin: clamp(3rem, 7vh, 5rem) auto 0;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: #fff;
}
.mock__bar {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1rem; border-bottom: 1px solid var(--line);
}
.mock__dot { width: 11px; height: 11px; border-radius: 50%; border: 1px solid #000; }
.mock__crumb {
  margin-left: 0.8rem; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em;
}
.mock__body { display: grid; grid-template-columns: 200px 1fr; min-height: 360px; }
.mock__side { border-right: 1px solid var(--line); padding: 1.1rem; }
.mock__side h4 { font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 0.9rem; }
.mock__navitem {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.88rem; font-weight: 500; padding: 0.5rem 0.6rem; border-radius: var(--radius-sm);
  margin-bottom: 0.2rem;
}
.mock__navitem.is-active { background: #000; color: #fff; }
.mock__navitem .ic { width: 15px; height: 15px; }
.mock__main { padding: 1.4rem; }
.mock__row {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin-bottom: 1.2rem;
}
.mock__h { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.02em; }
.mock__cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem; }
.mock__card { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem; }
.mock__card .id { font-size: 0.66rem; font-weight: 700; letter-spacing: 0.12em; }
.mock__card .nm { font-size: 1rem; font-weight: 600; margin: 0.4rem 0 0.9rem; letter-spacing: -0.01em; }
.mock__track { height: 6px; border: 1px solid #000; border-radius: 100px; overflow: hidden; }
.mock__track > span { display: block; height: 100%; background: #000; }
@media (max-width: 720px) {
  .mock__body { grid-template-columns: 1fr; }
  .mock__side { display: none; }
  .mock__cards { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION SCAFFOLD
   ============================================================ */
.section { padding: clamp(4rem, 10vh, 7rem) var(--gut); border-top: 1px solid var(--line); }
.sec-head { max-width: var(--maxw); margin: 0 auto clamp(2.5rem, 5vh, 4rem); }
.sec-head .eyebrow { display: block; margin-bottom: 1.1rem; }
.sec-title { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 600; max-width: 18ch; }
.sec-sub { margin-top: 1.2rem; font-size: clamp(1.05rem, 1.6vw, 1.2rem); max-width: 50ch; }

/* ============================================================
   FOCUS — feature card grid (invert on hover)
   ============================================================ */
.cards {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
}
@media (max-width: 760px) { .cards { grid-template-columns: 1fr; } }
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.2rem); background: #fff;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}
.card:hover { background: #000; color: #fff; transform: translateY(-3px); }
.card__icon {
  width: 46px; height: 46px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; margin-bottom: 1.4rem;
  transition: border-color 0.25s var(--ease);
}
.card:hover .card__icon { border-color: #fff; }
.card__icon svg { width: 22px; height: 22px; }
.card__title { font-size: 1.4rem; font-weight: 600; margin-bottom: 0.6rem; }
.card__body { font-size: 1rem; line-height: 1.55; max-width: 36ch; }
.card__tag {
  display: inline-block; margin-top: 1.4rem; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
}

/* ============================================================
   EXPERIMENTS — list rows
   ============================================================ */
.experiments { max-width: var(--maxw); margin: 0 auto; border-top: 1px solid var(--line); }
.exp {
  display: grid; grid-template-columns: 100px 1fr auto; gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center; padding: clamp(1.4rem, 3.5vh, 2.2rem) 0.4rem;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}
.exp:hover { background: #000; color: #fff; padding-left: 1.2rem; }
.exp:hover .badge { border-color: #fff; }
.exp:hover .badge .dot { background: #fff; }
.exp__id { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; }
.exp__name { font-size: clamp(1.4rem, 3vw, 2.1rem); font-weight: 600; letter-spacing: -0.02em; }
.exp__desc { margin-top: 0.5rem; font-size: 1rem; max-width: 52ch; }
.exp__field { display: block; margin-top: 0.6rem; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.exp__meta { justify-self: end; }
@media (max-width: 760px) {
  .exp { grid-template-columns: 1fr; gap: 0.7rem; }
  .exp:hover { padding-left: 0.4rem; }
  .exp__meta { justify-self: start; }
}

/* ============================================================
   STUDIO
   ============================================================ */
.studio { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 880px) { .studio { grid-template-columns: 0.8fr 1.2fr; align-items: start; } }
.studio__lead { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 600; letter-spacing: -0.03em; line-height: 1.1; }
.studio__cols { font-size: 1.08rem; line-height: 1.6; }
.studio__cols p { margin-bottom: 1rem; max-width: 60ch; }
.studio__meta {
  margin-top: 1.8rem; display: flex; flex-wrap: wrap; gap: 0.8rem 2.5rem;
  border-top: 1px solid var(--line); padding-top: 1.4rem;
}
.studio__meta div { font-size: 0.9rem; }
.studio__meta dt { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 0.25rem; }
.studio__meta dd { font-weight: 500; }

/* ============================================================
   CTA — inverted band
   ============================================================ */
.cta { background: #000; color: #fff; border-top: 1px solid var(--line); }
.cta__inner {
  max-width: var(--maxw); margin: 0 auto; text-align: center;
  padding: clamp(4.5rem, 11vh, 8rem) var(--gut);
}
.cta__eyebrow { display: block; margin-bottom: 1rem; }
.cta__title { font-size: clamp(2.2rem, 6vw, 4.5rem); font-weight: 600; letter-spacing: -0.035em; margin-bottom: 1.4rem; }
.cta__sub { font-size: clamp(1.05rem, 1.6vw, 1.25rem); max-width: 42ch; margin: 0 auto 2.4rem; }
.cta .btn--primary { background: #fff; color: #000; border-color: #fff; }
.cta .btn--primary:hover { background: #000; color: #fff; }
.cta .btn--outline { background: transparent; color: #fff; border-color: #fff; }
.cta .btn--outline:hover { background: #fff; color: #000; }
.cta__cta { display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: #000; color: #fff; }
.footer__inner {
  max-width: var(--maxw); margin: 0 auto; padding: clamp(2.5rem, 5vh, 3.5rem) var(--gut);
}
.footer__top {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem;
  padding-bottom: 2rem; border-bottom: 1px solid #fff;
}
.footer__brand { font-weight: 700; letter-spacing: 0.06em; font-size: 1.1rem; }
.footer__brand p { font-weight: 400; font-size: 0.9rem; margin-top: 0.6rem; max-width: 30ch; }
.footer__links { display: flex; gap: 3rem; flex-wrap: wrap; }
.footer__col h5 { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 0.9rem; }
.footer__col a { display: block; font-size: 0.92rem; padding: 0.28rem 0; }
.footer__col a:hover { text-decoration: underline; text-underline-offset: 3px; }
.footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  padding-top: 1.6rem; font-size: 0.82rem;
}

/* ============================================================
   EMPTY STATES (mockup + lab "coming soon")
   ============================================================ */
.mock__empty {
  border: 1px dashed var(--line); border-radius: var(--radius-sm);
  padding: 2rem 1.4rem; min-height: 200px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 0.45rem;
}
.mock__emptymark {
  width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  margin-bottom: 0.5rem;
}
.mock__emptytitle { font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
.mock__emptytext { font-size: 0.9rem; max-width: 34ch; }

.lab-empty {
  max-width: var(--maxw); margin: 0 auto;
  border: 1px dashed var(--line); border-radius: var(--radius);
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 5vw, 3rem);
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1rem;
}
.lab-empty__tag {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  border: 1px solid var(--line); border-radius: 100px; padding: 0.4rem 0.85rem;
}
.lab-empty__title { font-size: clamp(1.6rem, 3.6vw, 2.6rem); font-weight: 600; max-width: 20ch; }
.lab-empty__text { font-size: 1.05rem; max-width: 50ch; }
.lab-empty .btn { margin-top: 0.6rem; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }

@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;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}