/* Univa base - sohub-style skin. Fonts, reset, typography, pill buttons,
   nav v2 (pill menu panel), footer mega-panel, project cards, motion states.
   Page-specific rules live in css/<page>.css. Zero shadows, zero borders. */

/* ---------- Fonts ---------- */

@font-face {
  font-family: "Inter";
  src: url("/fonts/inter-var.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Varela Round";
  src: url("/fonts/varela-round.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- Reset ---------- */

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

html {
  background-color: #000;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  min-height: 100svh;
  overflow-x: clip;
}

img, picture, video, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
button { background: none; border: 0; cursor: pointer; padding: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }

::selection { background: #000; color: #fff; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
.on-dark :focus-visible, .deck-card :focus-visible, .footer-panel :focus-visible {
  outline-color: var(--on-dark);
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 { font-weight: 600; line-height: 1; }

.eyebrow {
  font-size: var(--text-eyebrow);
  font-weight: 600;
  color: var(--muted);
  letter-spacing: var(--track-3);
}

.statement {
  font-size: var(--text-statement);
  font-weight: 600;
  line-height: 1;
  letter-spacing: var(--track-7);
  text-wrap: balance;
}

/* Gradient-shimmer keyword inside statements */
.h-word {
  background: linear-gradient(90deg, var(--ink), #808384, var(--ink));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: grad-move 5s linear infinite;
}
.on-dark .h-word, .deck-card .h-word {
  background: linear-gradient(90deg, var(--on-dark), #6d7378, var(--on-dark));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
}
@keyframes grad-move {
  from { background-position: 0% 0; }
  to { background-position: 200% 0; }
}

.tagline {
  font-size: var(--text-tagline);
  font-weight: 600;
  line-height: 1;
  letter-spacing: var(--track-5);
}

.display {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-display);
  line-height: 0.9;
  letter-spacing: var(--track-5);
}

.muted { color: var(--muted); }
.small { font-size: var(--text-small); }

/* ---------- Layout ---------- */

.container { padding-inline: var(--gutter); }
.section { padding-block: var(--space-section); }
.full-viewport { min-height: 100vh; min-height: 100svh; }

.section-head { margin-bottom: var(--space-head-gap); }
.section-head .eyebrow { display: block; margin-bottom: 1.25rem; }
.section-head .statement { max-width: 18ch; }

/* ---------- Two-part pill button (the signature) ---------- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border-radius: var(--r-pill);
  padding: 0.3rem;
  transition: transform 0.5s var(--ease-pill);
}
.pill:hover { transform: scale(1.08); }

.pill .pill-label {
  font-size: var(--text-small);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  padding: 0.55rem 1.6rem 0.55rem 2rem;
  white-space: nowrap;
}

.pill .pill-chip {
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  overflow: hidden;
  display: grid;
  place-items: center;
  flex: none;
}
.pill .pill-chip svg {
  width: 38%;
  height: auto;
  transition: transform 0.5s var(--ease-spring);
}
.pill .pill-chip svg.swap-in {
  position: absolute;
  transform: translateX(-250%);
}
.pill:hover .pill-chip svg.swap-out { transform: translateX(250%); }
.pill:hover .pill-chip svg.swap-in { transform: translateX(0); }

.pill-dark { background: var(--ink); color: var(--on-dark); }
.pill-dark .pill-chip { background: var(--chip-dark); color: var(--on-dark); }

.pill-light { background: var(--soft); color: #000; }
.pill-light .pill-chip { background: var(--bg); color: var(--ink); }

/* Tag pills (inside dark cards) */
.tag {
  display: inline-flex;
  align-items: center;
  background: var(--tag-bg);
  color: var(--on-dark);
  border-radius: var(--r-pill);
  padding: 0.5rem 1.25rem;
  font-size: var(--text-small);
  white-space: nowrap;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }

/* Light-context tag (on ice background) */
.tag-light { background: var(--soft); color: var(--ink); }

/* Social / icon circles */
.circle {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--dark-2);
  color: var(--on-dark);
  transition: transform 0.2s var(--ease-out), background-color 0.2s var(--ease-out);
}
.circle:hover { transform: scale(1.1); background: var(--hover-circle); }
.circle svg { width: 40%; height: auto; }

/* ---------- Nav v2: transparent fixed header + pill menu panel ---------- */

.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: clamp(1.25rem, 2.5vh, 2.25rem) var(--gutter);
  pointer-events: none;
}
.site-nav > * { pointer-events: auto; }

.nav-brand {
  font-weight: 700;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  letter-spacing: var(--track-5);
  line-height: 1;
  color: var(--ink);
}
.nav-brand .brand-dot { color: var(--muted); }

.nav-controls { display: flex; gap: 0.6rem; align-items: center; }
.nav-controls .pill-whatsapp { display: none; }
@media (min-width: 1024px) {
  .nav-controls .pill-whatsapp { display: inline-flex; }
}

/* Menu label vertical swap */
.menu-toggle .pill-label {
  position: relative;
  overflow: clip;
  display: grid;
}
.menu-toggle .pill-label span {
  grid-area: 1 / 1;
  transition: transform 0.5s var(--ease-swap);
}
.menu-toggle .pill-label .lbl-close { transform: translateY(260%); }
.menu-toggle[aria-expanded="true"] .pill-label .lbl-menu { transform: translateY(-260%); }
.menu-toggle[aria-expanded="true"] .pill-label .lbl-close { transform: translateY(0); }

/* Menu dropdown panel */
.menu-panel {
  position: fixed;
  top: var(--nav-height);
  right: var(--gutter);
  left: var(--gutter);
  z-index: 55;
  background: var(--soft);
  border-radius: var(--r-panel);
  padding: clamp(1.5rem, 3vh, 3rem) clamp(1.25rem, 2vw, 2rem);
  display: grid;
  gap: 0.25rem;
}
@media (min-width: 1024px) {
  .menu-panel { left: auto; width: min(34rem, 40vw); }
}
.menu-panel[hidden] { display: none; }

.menu-panel a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: clamp(1.875rem, 3.5vw, 3rem);
  font-weight: 600;
  letter-spacing: var(--track-7);
  line-height: 1.15;
  color: var(--dark-2);
  border-radius: var(--r-card);
  padding: 0.35rem 1.5rem;
  transition: background-color 0.2s var(--ease-out);
}
.menu-panel a:hover, .menu-panel a[aria-current="page"] { background: var(--bg); }
.menu-panel a .menu-arrow {
  width: 0;
  overflow: clip;
  transition: width 0.3s var(--ease-out);
  flex: none;
}
.menu-panel a:hover .menu-arrow { width: 1.75rem; }
.menu-panel .menu-meta {
  margin-top: 1.5rem;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: var(--text-small);
  color: var(--dark-2);
}
.menu-panel .menu-meta a {
  font-size: var(--text-small);
  font-weight: 500;
  text-transform: uppercase;
  padding: 0;
  border-radius: 0;
  letter-spacing: 0.01em;
}
.menu-panel .menu-meta a:hover { background: none; text-decoration: underline; }

/* ---------- Project cards ---------- */

.pcard {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-card);
  overflow: clip;
  transition: transform 0.3s var(--ease-spring);
}
.pcard:hover { transform: scale(1.02); }
.pcard img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pcard::after {
  content: "";
  position: absolute;
  inset: 50% 0 0 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
}
.pcard .pcard-title {
  position: absolute;
  z-index: 1;
  left: 1.5rem;
  bottom: 1.25rem;
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 3rem);
  font-weight: 600;
  letter-spacing: var(--track-5);
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.pcard .pcard-arrow {
  width: 0;
  overflow: clip;
  transition: width 0.3s var(--ease-out);
  flex: none;
}
.pcard:hover .pcard-arrow { width: clamp(1.25rem, 2vw, 2rem); }
.pcard .pcard-cat {
  position: absolute;
  z-index: 1;
  left: 1.5rem;
  top: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-small);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* ---------- Footer: wordmark + dark mega-panel + extension bar ---------- */

.site-footer {
  position: relative;
  padding-top: var(--space-section);
  overflow: clip;
}

.footer-wordmark {
  font-weight: 700;
  font-size: clamp(5rem, 22vw, 24rem);
  letter-spacing: var(--track-5);
  line-height: 0.8;
  text-align: center;
  color: var(--ink);
  user-select: none;
  transform: translateY(0.05em);
}

.footer-panel {
  position: relative;
  z-index: 1;
  margin-top: -2vw;
  background: var(--ink);
  color: var(--on-dark);
  border-radius: var(--r-panel);
  padding: clamp(3rem, 8vh, 6rem) var(--gutter);
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 1.5rem;
}
.footer-panel .footer-copyright {
  font-size: clamp(1.875rem, 6vw, 8rem);
  font-weight: 600;
  letter-spacing: var(--track-5);
  line-height: 1;
}
.footer-panel .footer-tag {
  color: var(--muted);
  font-size: clamp(1rem, 2.2vw, 2rem);
  font-weight: 500;
}
.footer-panel .footer-circles {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 1rem;
}
.footer-panel .footer-circles .sep { color: #555; }

.footer-ext {
  width: 94%;
  margin: 0 auto;
  background: var(--dark-2);
  border-radius: 0 0 var(--r-panel) var(--r-panel);
  padding: clamp(1.25rem, 3vh, 2.25rem) clamp(1rem, 3vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
@media (min-width: 1024px) { .footer-ext { width: 97%; justify-content: space-between; } }
.footer-ext .ext-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }

/* ---------- Simulation slabs (home + academy): dark panels hosting live canvas sims ---------- */

.sim-slab {
  position: relative;
  background: var(--ink);
  border-radius: var(--r-panel);
  overflow: clip;
}
/* Sims render a fixed 1180x420 logical store; the canvas keeps that ratio so
   nothing distorts. The slab grows with the canvas. */
.sim-slab canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1180 / 420;
  touch-action: none;
}
@media (max-width: 760px) {
  .sim-slab { display: flex; flex-direction: column; }
  .sim-cap { position: static; order: 1; padding: 1rem 1.25rem 0.6rem; }
  .sim-slab canvas { order: 2; }
  .sim-hint { position: static; order: 3; padding: 0.5rem 1.25rem 1rem; text-align: left; }
}
.sim-cap {
  position: absolute;
  z-index: 2;
  top: 1.25rem;
  left: 1.5rem;
  display: grid;
  gap: 0.15rem;
  pointer-events: none;
}
.sim-cap-t { color: var(--on-dark); font-weight: 600; font-size: clamp(0.95rem, 1.4vw, 1.2rem); letter-spacing: var(--track-3); }
.sim-cap-s { color: var(--muted); font-size: var(--text-small); font-weight: 500; }
.sim-hint {
  position: absolute;
  z-index: 2;
  bottom: 1rem;
  right: 1.5rem;
  color: var(--muted);
  font-size: var(--text-small);
  font-weight: 500;
  pointer-events: none;
}
.sim-note {
  margin-top: 1.25rem;
  max-width: 68ch;
  font-size: var(--text-small);
  line-height: 1.6;
}
.sim-seq {
  position: absolute;
  z-index: 2;
  bottom: 1rem;
  left: 1.5rem;
  right: auto;
  color: #7ee787;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  overflow: clip;
  max-width: 60%;
  pointer-events: none;
}

/* ---------- Scroll cue + float loops ---------- */

.scroll-cue {
  color: var(--muted);
  font-weight: 600;
  font-size: clamp(1.125rem, 2vw, 1.875rem);
  animation: cue-bob 2.4s ease-in-out infinite;
}
@keyframes cue-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(0.4rem); }
}

.float-anim { animation: float-loop 5s ease-in-out infinite; }
@keyframes float-loop {
  0%, 100% { transform: translateY(-0.5rem); }
  50% { transform: translateY(0.5rem); }
}

/* ---------- Preloader (branded intro, home only; sibling of nav) ---------- */

.preloader { display: none; }
html.js .preloader {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--ink);
  display: grid;
  place-items: center;
  will-change: transform;
}
.preloader-mark {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 7vw, 4.5rem);
  font-weight: 400;
  letter-spacing: var(--track-5);
  color: var(--on-dark);
  line-height: 1;
}
.preloader-mark .brand-dot { color: var(--muted); }

/* ---------- Cross-document page transitions (View Transitions API) ----------
   Chromium animates the route change as a slide-up card over the receding old
   page; Safari/Firefox navigate normally (graceful fallback). */

@view-transition { navigation: auto; }

@keyframes vt-old-out {
  to { transform: translateY(-34%); filter: brightness(0.2) blur(14px); }
}
@keyframes vt-new-in {
  0%   { transform: translateY(100%) scale(0.86); border-radius: 3rem; }
  62%  { border-radius: 3rem; }
  100% { transform: translateY(0) scale(1); border-radius: 0; }
}

::view-transition-group(root) { animation-duration: 1s; }
::view-transition-old(root) {
  animation: vt-old-out 1s cubic-bezier(0.86, 0, 0.07, 1) both;
  z-index: 1;
}
::view-transition-new(root) {
  animation: vt-new-in 1s cubic-bezier(0.86, 0, 0.07, 1) both;
  z-index: 9999;
  overflow: clip;
}

/* ---------- Footer reveal (letters drop in; extension bar settles) ---------- */

.footer-wordmark { overflow: clip; }
.footer-letter { display: inline-block; will-change: transform; }

/* ---------- Magnetic pills: GSAP owns the transform on fine pointers ---------- */

html.has-magnetic .pill { transition: none; }

/* ---------- Motion initial states (html.js gated; no-JS sees everything) ---------- */

html.js [data-reveal="lines"] .line { display: block; overflow: clip; }
html.js [data-reveal="lines"] .line-inner {
  display: block;
  transform: translateY(115%);
  will-change: transform;
}
html.js [data-reveal="fade"] { opacity: 0; transform: translateY(28px); }
html.js [data-clip] { clip-path: inset(0 0 100% 0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  @view-transition { navigation: none; }
  ::view-transition-group(root),
  ::view-transition-old(root),
  ::view-transition-new(root) { animation: none !important; }
  html.js [data-reveal="lines"] .line-inner { transform: none; }
  html.js [data-reveal="fade"] { opacity: 1; transform: none; }
  html.js [data-clip] { clip-path: none; }
  .h-word { animation: none; }
  .float-anim { animation: none; }
  .scroll-cue { animation: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- 404 ---------- */

.notfound-wrap { display: grid; place-items: center; }
.notfound { display: grid; gap: 1.5rem; justify-items: start; padding-block: calc(var(--nav-height) + 2rem); }
.notfound .display { letter-spacing: var(--track-5); }
.notfound-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.5rem; }

/* ---------- Misc ---------- */

.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 200;
  background: var(--ink);
  color: var(--on-dark);
  padding: 0.6rem 1.2rem;
  border-radius: var(--r-pill);
  transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}