/* ════════════════════════════════════════════════════════════════════════════
   THE SINGULARITY · landing.css — the L1 landing page
   Pure monochrome. Clash Grotesk Light. The ASCII gravity well is the hero.
   ════════════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--void-900);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: var(--w-regular);
  font-size: var(--t-body);
  line-height: var(--lh-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

svg { display: block; fill: currentColor; }
a { color: inherit; text-decoration: none; }
::selection { background: #fff; color: var(--void-900); }

/* ── Five stacked layers on a direct 1:1 scroll ──────────────────────────────
   Each layer is fixed and full-bleed; JS maps the native scroll position
   straight onto each transform — no inertia, no holds. One contiguous flow:
   every page scrolls in from below as the previous one scrolls up and out;
   the footer fades from void to white as it rises. ──────────────────────────*/
.stage, .page {
  position: fixed;
  inset: 0;
  overflow: hidden;
  will-change: transform;
}
.stage { z-index: 0; background: var(--void-900); }                 /* page 1 — dark, behind */

/* ── Page 1 — framed grid layout (navbar · hero · boxed well) ─────────────────
   Opaque black; thin light-gray hairlines frame and align everything. The ASCII
   black hole lives ONLY inside its bordered panel on the right. ──────────────*/
.frame {
  --line: rgba(244, 243, 240, 0.16);            /* the light-gray framing line */
  position: absolute; inset: clamp(16px, 2vw, 34px);
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
}
.nav {
  display: flex; align-items: center; gap: var(--space-06);
  padding: clamp(13px, 1.5vw, 20px) clamp(18px, 2vw, 30px);
  border-bottom: 1px solid var(--line);
}
.nav__brand { display: inline-flex; align-items: center; gap: var(--space-03); color: var(--paper-50); }
.nav__mark { width: 26px; height: 26px; flex: none; background-color: currentColor; -webkit-mask: url('../img/mark.svg') center / contain no-repeat; mask: url('../img/mark.svg') center / contain no-repeat; }
.nav__brand span { font-family: var(--font-sans); font-weight: var(--w-medium); font-size: 0.95rem; letter-spacing: 0.01em; }
.nav__links { display: flex; gap: clamp(18px, 2.2vw, 40px); margin-left: auto; }
.nav__links a { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gray-300); transition: color 120ms cubic-bezier(0.2,0,0,1); }
.nav__links a:hover { color: var(--paper-50); }
.nav__cta {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--paper-50); border: 1px solid var(--line); border-radius: 0;
  padding: 0.72em 1.15em; transition: border-color 120ms, background 120ms;
}
.nav__cta:hover { border-color: var(--paper-50); }

/* ── Fixed nav (index) — aligned to the frame inset; opaque void, so every page
   scrolls beneath it. Height is a shared var so the frames reserve its room. ──*/
:root { --nav-h: calc(31px + 2 * clamp(13px, 1.5vw, 20px)); }
.nav--fixed {
  --line: rgba(244, 243, 240, 0.16);             /* the nav sits outside any .frame */
  position: fixed; z-index: 50;
  top: clamp(16px, 2vw, 34px); left: clamp(16px, 2vw, 34px); right: clamp(16px, 2vw, 34px);
  height: var(--nav-h); padding-top: 0; padding-bottom: 0;
  background: var(--void-900); border: 1px solid var(--line);
}
#page1 .frame, .page .frame { padding-top: var(--nav-h); }   /* keep content clear of the nav */

.land { flex: 1; display: grid; grid-template-columns: 0.37fr 0.63fr; min-height: 0; overflow: hidden; }   /* hero compact, animation dominant */
.land__hero {
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  gap: var(--space-05); padding: clamp(26px, 3.2vw, 60px);
}
.land__viz { position: relative; overflow: hidden; border-left: 1px solid var(--line); }
.viz__field { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.hero__title {
  font-family: var(--font-sans); font-weight: var(--w-medium);   /* Clash Grotesk Medium (500) */
  font-size: clamp(2.5rem, 4.4vw, 4.2rem); line-height: 1.03; letter-spacing: -0.02em;
  color: var(--paper-50); text-wrap: balance;
}
/* spans the whole hero section — frame edge to the animation divider, never into the ASCII */
.rule { align-self: stretch; height: 1px; background: var(--line); margin: var(--space-04) calc(-1 * clamp(26px, 3.2vw, 60px)); }
.hero__sub {
  font-family: var(--font-sans); font-weight: var(--w-light);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem); line-height: 1.5;
  color: var(--gray-200); max-width: 42ch;
}
.hero__cta { display: flex; gap: var(--space-04); flex-wrap: wrap; margin-top: var(--space-02); }

@media (max-width: 860px) {
  .land { grid-template-columns: 1fr; }
  .land__viz { border-left: none; border-top: 1px solid var(--line); min-height: 38vh; }
  .nav__links { display: none; }
}

/* ── Page 2 — dark like page 1: explosion dominant (left) + 2×2 feature cards (right) ── */
.land--flip { grid-template-columns: 0.55fr 0.45fr; }            /* explosion | bigger feature cards */
.land--flip .land__viz { border-left: none; }
.cards {
  position: relative;                                           /* anchor for an expanding card */
  border-left: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1fr; grid-auto-rows: 1fr;
  gap: 1px; background: var(--line);                             /* the 1px gaps draw the dividers */
}
/* pin every card to its cell so removing one from flow never reflows the rest */
.cards > .card:nth-child(1) { grid-column: 1; grid-row: 1; }
.cards > .card:nth-child(2) { grid-column: 2; grid-row: 1; }
.cards > .card:nth-child(3) { grid-column: 1; grid-row: 2; }
.cards > .card:nth-child(4) { grid-column: 2; grid-row: 2; }
.card {
  position: relative; background: var(--void-900); overflow: hidden;
  display: flex; flex-direction: column;
  padding: clamp(18px, 1.9vw, 34px);
  cursor: pointer;
  transition: background 140ms cubic-bezier(0.2,0,0,1), opacity 280ms cubic-bezier(0.2,0,0,1);
}
.card:hover { background: #141419; }
.card__num { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em; color: var(--gray-300); }
.card__lead { margin-top: auto; }                               /* collapsed: text rests at the bottom */
.card__title { font-family: var(--font-sans); font-weight: var(--w-medium); font-size: clamp(1.05rem, 1.4vw, 1.35rem); letter-spacing: -0.01em; line-height: 1.12; color: var(--paper-50); margin-bottom: var(--space-02); }
.card__desc { font-family: var(--font-sans); font-weight: var(--w-light); font-size: 0.92rem; line-height: 1.45; color: var(--gray-200); }
.card__more, .card__cta { display: none; }
.card__close { display: none; position: absolute; top: clamp(14px,1.5vw,22px); right: clamp(14px,1.5vw,22px); z-index: 3;
  width: 34px; height: 34px; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line); border-radius: 0; color: var(--paper-50);
  font-size: 1.15rem; line-height: 1; cursor: pointer; transition: border-color 140ms, background 140ms; }
.card__close:hover { border-color: currentColor; }

/* ── expanded card — fills the whole 2×2, text moves to the top + explanation ──*/
.cards.has-expanded > .card:not(.is-expanded) { opacity: 0; pointer-events: none; }
.card.is-expanded {
  z-index: 10; cursor: default; overflow: auto;
  padding: clamp(28px, 3vw, 54px); justify-content: flex-start;
}
.card.is-expanded, .card.is-expanded:hover { background: var(--void-900); }
.card.is-expanded .card__lead { margin-top: var(--space-05); max-width: 40ch; }
.card.is-expanded .card__title { font-size: clamp(1.7rem, 2.7vw, 2.5rem); line-height: 1.06; margin-bottom: var(--space-03); }
.card.is-expanded .card__desc { font-size: clamp(1.02rem, 1.3vw, 1.2rem); color: var(--gray-200); }
.card.is-expanded .card__more { display: block; margin-top: var(--space-04); max-width: 48ch;
  font-family: var(--font-sans); font-weight: var(--w-light); font-size: clamp(0.98rem, 1.2vw, 1.12rem); line-height: 1.6; color: var(--gray-200);
  opacity: 0; transform: translateY(8px); transition: opacity .4s .12s cubic-bezier(0.2,0,0,1), transform .4s .12s cubic-bezier(0.2,0,0,1); }
.card.is-expanded .card__cta { display: inline-flex; align-items: center; margin-top: auto; padding-top: var(--space-05);
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--paper-50);
  opacity: 0; transform: translateY(8px); transition: opacity .4s .2s cubic-bezier(0.2,0,0,1), transform .4s .2s cubic-bezier(0.2,0,0,1); }
.card.is-expanded .card__cta:hover { color: var(--gray-300); }
.card.is-expanded.is-shown .card__more, .card.is-expanded.is-shown .card__cta { opacity: 1; transform: translateY(0); }
.card.is-expanded .card__close { display: flex; }
@media (max-width: 860px) { .land--flip { grid-template-columns: 1fr; } .cards { border-left: none; border-top: 1px solid var(--line); } }

/* ── Page 3 — call-to-action: a terminal window centred over the comets ───────*/
.cta {
  position: absolute; inset: 0; z-index: 5;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: clamp(22px, 3vw, 44px); padding: 0 var(--space-07); text-align: center;
  pointer-events: none;
  background: radial-gradient(58% 48% at 50% 50%, rgba(8,8,10,0.58) 0%, transparent 76%);
}
.cta__title {
  font-family: var(--font-sans); font-weight: var(--w-medium);
  font-size: clamp(1.9rem, 3.8vw, 3.3rem); line-height: 1.08; letter-spacing: -0.02em;
  color: var(--paper-50); max-width: 32ch; text-wrap: balance;
}
.term {
  pointer-events: auto; width: min(780px, 94%); text-align: left;
  background: rgba(8, 8, 10, 0.82); border: 1px solid rgba(244, 243, 240, 0.18);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.term__bar { display: flex; align-items: center; gap: var(--space-03); padding: 0.6em 0.8em; border-bottom: 1px solid rgba(244, 243, 240, 0.12); }
.term__dots { display: inline-flex; gap: 6px; }
.term__dots i { display: block; width: 10px; height: 10px; border-radius: 50%; background: rgba(244, 243, 240, 0.26); }
.term__path { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--gray-300); }
.term__copy {
  margin-left: auto; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--paper-50); background: transparent; border: 1px solid rgba(244, 243, 240, 0.22); padding: 0.42em 0.85em; cursor: pointer;
  transition: border-color 120ms cubic-bezier(0.2,0,0,1);
}
.term__copy:hover { border-color: var(--paper-50); }
.term__body { padding: clamp(16px, 1.9vw, 28px) clamp(18px, 2vw, 30px); font-family: var(--font-mono); font-size: clamp(0.88rem, 1.15vw, 1.08rem); line-height: 1.75; }
.term__prompt { color: var(--gray-300); }
.term__cmd { color: var(--paper-50); word-break: break-all; }
.term__out { color: var(--gray-300); margin-top: 0.45em; }

/* ── Page 4 — feature cards (LEFT) + nebula ASCII (RIGHT), BLACK frame ─────────*/
.land--codeleft { grid-template-columns: 0.45fr 0.55fr; }
.land--codeleft .land__viz { border-left: none; }             /* .cards--left draws the divider */
.cards--left { border-left: none; border-right: 1px solid var(--line); }

/* ── Page 5 footer — framed DARK: SINGULARITY wordmark · socials · ecosystem grants ─*/
.foot2__word { flex: 1; position: relative; min-height: 0; }
.foot2__bar { display: grid; grid-template-columns: 1fr 0.42fr; border-top: 1px solid var(--line); }
.foot2__left { display: flex; flex-direction: column; gap: var(--space-05); padding: clamp(22px, 2.6vw, 46px); }
.foot2__brand { display: inline-flex; align-items: center; gap: var(--space-03); color: var(--paper-50); }
.foot2__mark { width: 24px; height: 24px; flex: none; background-color: currentColor; -webkit-mask: url('../img/mark.svg') center / contain no-repeat; mask: url('../img/mark.svg') center / contain no-repeat; }
.foot2__brand span { font-family: var(--font-sans); font-weight: var(--w-medium); font-size: 0.9rem; letter-spacing: 0.02em; }
.foot2__socials { display: flex; gap: var(--space-06); flex-wrap: wrap; }
.foot2__socials a { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em; color: var(--gray-300); transition: color 120ms cubic-bezier(0.2,0,0,1); }
.foot2__socials a:hover { color: var(--paper-50); }
.foot2__legal { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--gray-300); margin-top: auto; }
.grant-card {
  display: flex; flex-direction: column; gap: var(--space-03); justify-content: center;
  padding: clamp(22px, 2.6vw, 46px); border-left: 1px solid var(--line); color: var(--paper-50);
  transition: background 140ms cubic-bezier(0.2,0,0,1);
}
.grant-card:hover { background: rgba(244, 243, 240, 0.05); }
.grant-card__eyebrow { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gray-300); }
.grant-card__title { font-family: var(--font-sans); font-weight: var(--w-medium); font-size: clamp(1.3rem, 2vw, 1.9rem); letter-spacing: -0.01em; }
.grant-card__desc { font-family: var(--font-sans); font-weight: var(--w-light); font-size: 0.95rem; line-height: 1.5; color: var(--gray-200); max-width: 30ch; }
.grant-card__cta { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--paper-50); margin-top: var(--space-03); }
@media (max-width: 860px) {
  .land--codeleft { grid-template-columns: 1fr; }
  .cards--left { border-right: none; border-bottom: 1px solid var(--line); }
  .foot2__bar { grid-template-columns: 1fr; }
  .grant-card { border-left: none; border-top: 1px solid var(--line); }
}

/* Rounded-squared CTA buttons (deliberate exception to the brand's radius-0) */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.9em 1.6em; border-radius: 0;        /* squared off */
  font-family: var(--font-sans); font-weight: var(--w-medium); font-size: 1rem;
  letter-spacing: -0.005em; line-height: 1; white-space: nowrap; cursor: pointer;
  transition: transform 140ms cubic-bezier(0.2,0,0,1), background 140ms, border-color 140ms;
}
.btn--primary { background: #FFFFFF; color: var(--void-900); border: 1px solid #FFFFFF; }
.btn--primary:hover { background: var(--paper-50); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--paper-50); border: 1px solid var(--gray-500); }
.btn--ghost:hover { border-color: var(--paper-50); transform: translateY(-1px); }
.page--two   { z-index: 1; background: var(--void-900); transform: translate3d(0, 100%, 0); }   /* rises from below */
.page--three { z-index: 2; background: var(--void-900); transform: translate3d(0, 100%, 0); }   /* rises from below */
.page--four  { z-index: 3; background: var(--void-900); transform: translate3d(0, 100%, 0); }   /* page 4 — cards + nebula ASCII */
.page--footer{ z-index: 4; background: var(--void-900); transform: translate3d(0, 100%, 0); }   /* footer — dark like everything */

.scroll-spacer { width: 1px; }             /* height set by JS → drives the scrollbar */

/* ── Interest form (interest.html) ───────────────────────────────────────────*/
.iform-wrap { flex: 1; display: grid; grid-template-columns: 0.92fr 1.08fr; min-height: 0; }
.iform-intro { position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.iform-intro .viz__field { position: absolute; inset: 0; z-index: 0; }
.iform-intro::after { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(95deg, rgba(8,8,10,0.82) 0%, rgba(8,8,10,0.45) 52%, rgba(8,8,10,0.1) 100%); }
.iform-intro__text { position: relative; z-index: 2; display: flex; flex-direction: column; gap: var(--space-05); padding: clamp(28px, 3.4vw, 68px); }
.iform-eyebrow { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gray-300); }
.iform-title { font-family: var(--font-sans); font-weight: var(--w-medium); font-size: clamp(2rem, 3.4vw, 3.1rem); line-height: 1.05; letter-spacing: -0.02em; color: var(--paper-50); text-wrap: balance; }
.iform-lead { font-family: var(--font-sans); font-weight: var(--w-light); font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.55; color: var(--gray-200); max-width: 34ch; }
.iform {
  display: flex; flex-direction: column; justify-content: center; gap: var(--space-05);
  padding: clamp(28px, 3.4vw, 64px); border-left: 1px solid var(--line);
}
.field { display: flex; flex-direction: column; gap: var(--space-02); }
.field label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gray-300); }
.field input, .field textarea {
  font-family: var(--font-sans); font-size: 1rem; color: var(--paper-50);
  background: transparent; border: none; border-bottom: 1px solid var(--line);
  padding: 0.5em 0; resize: vertical; transition: border-color 140ms cubic-bezier(0.2,0,0,1);
}
.field input::placeholder, .field textarea::placeholder { color: var(--gray-300); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--paper-50); }
.iform .btn { align-self: flex-start; margin-top: var(--space-03); }
.iform-status { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--gray-200); min-height: 1.2em; }
@media (max-width: 860px) {
  .iform-wrap { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .iform-intro { overflow: visible; min-height: 36vh; }
  .iform { border-left: none; border-top: 1px solid var(--line); }
}

/* ── Smooth page transition to/from the interest form ────────────────────────*/
.transition-veil {
  position: fixed; inset: 0; z-index: 9999; background: var(--void-900);
  opacity: 0; pointer-events: none; transition: opacity 340ms cubic-bezier(0.4,0,0.2,1);
}
.transition-veil.is-active { opacity: 1; pointer-events: all; }

/* ── Light form theme (grant.html) — white page, explosion accent ────────────*/
.stage--light { background: #FFFFFF; }
.stage--light .frame { --line: rgba(8, 8, 10, 0.14); }
.stage--light .nav__brand, .stage--light .nav__cta { color: var(--void-900); }
.stage--light .nav__cta:hover { border-color: var(--void-900); }
.stage--light .iform-intro::after { background: linear-gradient(95deg, rgba(255,255,255,0.88) 0%, rgba(255,255,255,0.52) 52%, rgba(255,255,255,0.08) 100%); }
.stage--light .iform-eyebrow { color: var(--gray-400); }
.stage--light .iform-title { color: var(--void-900); }
.stage--light .iform-lead { color: var(--gray-500); }
.stage--light .field label { color: var(--gray-500); }
.stage--light .field input, .stage--light .field textarea { color: var(--void-900); border-bottom-color: rgba(8,8,10,0.18); }
.stage--light .field input::placeholder, .stage--light .field textarea::placeholder { color: var(--gray-400); }
.stage--light .field input:focus, .stage--light .field textarea:focus { border-color: var(--void-900); }
.stage--light .iform-status { color: var(--gray-500); }
.stage--light .btn--primary { background: var(--void-900); color: var(--paper-50); }
.stage--light .btn--primary:hover { background: #1b1b20; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-05); }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }

/* ── Form pages (interest/grant): a normal scrollable document, not the fixed scroll-stage ── */
.stage--form { position: static; overflow: visible; min-height: 100dvh; display: flow-root; }   /* flow-root: stop .frame's margin collapsing through (dark strip on grant.html) */
.stage--form .frame {
  position: relative; inset: auto;
  margin: clamp(16px, 2vw, 34px);
  min-height: calc(100dvh - 2 * clamp(16px, 2vw, 34px));
}

/* ── Keyboard focus ring (brand monochrome, never the UA blue) ───────────────*/
:where(a, button, [role="button"], [data-card]):focus-visible {
  outline: 2px solid var(--paper-50); outline-offset: 2px;
}
.stage--light :where(a, button, [role="button"]):focus-visible { outline-color: var(--void-900); }

/* ── Honour reduced motion for the page-transition fade ─────────────────────*/
@media (prefers-reduced-motion: reduce) { .transition-veil { transition-duration: 0ms; } }

/* ── Screen-reader-only (section headings for a gap-free outline) ────────────*/
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* ── Submit confirmation overlay (waitlist + grant) → fades home ─────────────*/
.form-thanks {
  position: absolute; inset: 0; z-index: 50;          /* fills the form's frame, not the whole page */
  display: flex; align-items: center; justify-content: center; text-align: center;
  padding: var(--space-07); background: var(--void-900); color: var(--paper-50);
  opacity: 0; transition: opacity 440ms cubic-bezier(0.2,0,0,1);
}
.form-thanks.is-on { opacity: 1; }
.stage--light .form-thanks { background: #FFFFFF; color: var(--void-900); }
.stage--light .form-thanks__check { border-color: rgba(8, 8, 10, 0.2); color: var(--void-900); }
.stage--light .form-thanks__lead { color: var(--gray-500); }
.stage--light .form-thanks__lead strong { color: var(--void-900); }
.stage--light .form-thanks__note { color: var(--gray-500); }
.form-thanks__inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-04); max-width: 34ch; }
.form-thanks__check {
  display: inline-flex; align-items: center; justify-content: center;
  width: 60px; height: 60px; margin-bottom: var(--space-03);
  border: 1px solid rgba(244, 243, 240, 0.22); border-radius: 50%; font-size: 1.5rem; color: var(--paper-50);
}
.form-thanks__title { font-family: var(--font-sans); font-weight: var(--w-medium); font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; letter-spacing: -0.02em; }
.form-thanks__lead { font-family: var(--font-sans); font-weight: var(--w-light); font-size: clamp(1.05rem, 1.6vw, 1.32rem); line-height: 1.5; color: var(--gray-200); text-wrap: balance; }
.form-thanks__lead strong { color: var(--paper-50); font-weight: var(--w-medium); }
.form-thanks__note { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gray-400); margin-top: var(--space-03); }
@media (prefers-reduced-motion: reduce) { .form-thanks { transition-duration: 0ms; } }

/* ── Design-language page (design.html) — the cosmic ASCII catalog ───────────*/
.cosmos-hero { padding: clamp(44px, 7vw, 120px) clamp(26px, 3.4vw, 68px) clamp(28px, 4vw, 56px); }
.cosmos-hero__title { font-family: var(--font-sans); font-weight: var(--w-medium); font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.03; letter-spacing: -0.02em; color: var(--paper-50); text-wrap: balance; max-width: 16ch; }
.cosmos-hero__lead { margin-top: var(--space-05); font-family: var(--font-sans); font-weight: var(--w-light); font-size: clamp(1.08rem, 1.6vw, 1.38rem); line-height: 1.5; color: var(--gray-200); max-width: 52ch; }

.cosmos { padding: clamp(22px, 3vw, 52px) clamp(26px, 3.4vw, 68px); border-top: 1px solid var(--line); }
.cosmos__viz { position: relative; overflow: hidden; border: 1px solid var(--line); height: clamp(320px, 56vh, 640px); background: var(--void-900); }
.cosmos__viz .viz__field { position: absolute; inset: 0; }
.cosmos__tag { position: absolute; top: clamp(12px, 1.4vw, 20px); left: clamp(14px, 1.6vw, 22px); z-index: 2; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gray-300); }
.cosmos__copy { display: flex; flex-direction: column; gap: var(--space-03); padding-top: var(--space-05); max-width: 60ch; }
.cosmos__name { font-family: var(--font-sans); font-weight: var(--w-medium); font-size: clamp(1.6rem, 2.6vw, 2.4rem); letter-spacing: -0.015em; color: var(--paper-50); }
.cosmos__desc { font-family: var(--font-sans); font-weight: var(--w-light); font-size: clamp(1rem, 1.4vw, 1.18rem); line-height: 1.55; color: var(--gray-200); }

.cosmos-close { padding: clamp(56px, 9vw, 150px) clamp(26px, 3.4vw, 68px); border-top: 1px solid var(--line); text-align: center; }
.cosmos-close__line { font-family: var(--font-sans); font-weight: var(--w-medium); font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -0.02em; color: var(--paper-50); }
.cosmos-close__sub { margin-top: var(--space-04); font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gray-400); }