/* VioletLab - layout + components.
   Stark editorial. Violet primary accent, pink secondary pop.
   Bricolage Grotesque display + Space Mono labels. No em-dashes.
   Tokens (colors, fonts, spacing) live in tokens.css. */

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
em { font-style: italic; }

/* Subtle film grain for texture (fixed, cheap, non-interactive) */
.grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  padding: 0 var(--edge);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand .mark { display: block; border-radius: 7px; }
.brand-txt { font-family: var(--display); font-weight: 700; font-size: 1.02rem; letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: clamp(16px, 3vw, 34px); font-family: var(--mono); font-size: 0.8rem; }
.nav-links a { color: var(--muted); transition: color 0.18s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { color: var(--violet) !important; }

/* ---------- Shared ---------- */
.tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--pink);
  margin-bottom: clamp(20px, 3vw, 34px);
}
main { display: block; }
section { padding-left: var(--edge); padding-right: var(--edge); max-width: var(--max); margin-inline: auto; }

.cta { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 26px; }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 13px 24px;
  background: var(--violet-deep);
  color: #ffffff;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.98rem;
  border-radius: 4px;
  transition: transform 0.14s ease, filter 0.14s ease;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(1px); }
.lnk {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--muted);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.18s, border-color 0.18s;
}
.lnk:hover { color: var(--ink); border-color: var(--line-strong); }
.arr { color: var(--pink); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: calc(100dvh - 66px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(40px, 8vh, 96px);
  padding-top: clamp(48px, 8vh, 96px);
  padding-bottom: clamp(40px, 7vh, 80px);
}
/* Live creative-coding background: sits behind the hero copy, dim by design. */
#hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.hero > .tag,
.hero > h1,
.hero > .hero-foot { position: relative; z-index: 1; }
.hero h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3.1rem, 12vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: -0.045em;
}
.hero h1 em { color: var(--violet); font-style: italic; }
.hero-foot {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: end;
}
.lede { color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.18rem); max-width: 46ch; }
.hero-foot .cta { justify-content: flex-start; }

/* ---------- About ---------- */
.about { padding-top: clamp(90px, 16vh, 200px); padding-bottom: clamp(60px, 10vh, 130px); }
.statement {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.5rem, 3.6vw, 2.9rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  max-width: 20ch;
}
.statement .hl { color: var(--muted); }
.statement.small { font-size: clamp(1.1rem, 2vw, 1.5rem); max-width: 30ch; margin-top: 1.4em; color: var(--muted); }
.statement.small strong { color: var(--ink); font-weight: 600; }

/* ---------- Programs ---------- */
.programs { padding-top: clamp(70px, 12vh, 150px); padding-bottom: clamp(70px, 12vh, 150px); }
.rows { list-style: none; }
.row {
  display: grid;
  grid-template-columns: 56px minmax(180px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(16px, 4vw, 56px);
  align-items: baseline;
  padding: clamp(30px, 4vw, 52px) 0;
  border-top: 1px solid var(--line);
}
.row:last-child { border-bottom: 1px solid var(--line); }
.idx { font-family: var(--mono); font-size: 0.9rem; color: var(--violet); }
.row h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.8vw, 2.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.row p { color: var(--muted); max-width: 44ch; font-size: 1.02rem; }

/* ---------- Ethos ---------- */
.ethos { padding-top: clamp(80px, 14vh, 180px); padding-bottom: clamp(80px, 14vh, 180px); }
.ethos h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2rem, 5.5vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
  max-width: 16ch;
}
.ethos h2 em { color: var(--violet); font-style: italic; }
.ethos p { margin-top: 1.4rem; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.2rem); max-width: 48ch; }

/* ---------- Build Log ---------- */
.build { padding-top: clamp(60px, 10vh, 120px); padding-bottom: clamp(60px, 10vh, 120px); }
.build-link {
  display: block;
  padding: clamp(30px, 5vw, 60px);
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: border-color 0.2s, background 0.2s;
}
.build-link:hover { border-color: var(--line-strong); background: var(--bg-2); }
.build-h {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.7rem, 4vw, 3rem);
  letter-spacing: -0.025em;
  line-height: 1.02;
}
.build-sub { display: block; margin-top: 1.1rem; font-family: var(--mono); font-size: 0.9rem; color: var(--muted); }
.build-link:hover .build-sub { color: var(--ink); }

/* ---------- Join ---------- */
.join { padding-top: clamp(80px, 14vh, 180px); padding-bottom: clamp(90px, 16vh, 210px); }
.join h2 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.6rem, 8vw, 6rem);
  line-height: 0.94;
  letter-spacing: -0.04em;
}
.join p { margin: 1.6rem 0 2.6rem; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.2rem); max-width: 42ch; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.65s cubic-bezier(0.16,1,0.3,1), transform 0.65s cubic-bezier(0.16,1,0.3,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Mobile ---------- */
@media (max-width: 760px) {
  .nav-links { gap: 18px; }
  .nav-links a:first-child { display: none; }
  .hero-foot { grid-template-columns: 1fr; gap: 32px; align-items: start; }
  .row { grid-template-columns: 40px 1fr; row-gap: 12px; }
  .row p { grid-column: 2; }
  .statement { max-width: none; }
}