/* NXTT marketing site preview. Five colours, Unbounded and Hanken Grotesk,
   from design-system/tokens.css. The film is the loud part; the rest is quiet. */

@font-face { font-family: Unbounded; src: url(assets/fonts/Unbounded-700.woff2) format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: Unbounded; src: url(assets/fonts/Unbounded-900.woff2) format('woff2'); font-weight: 900; font-display: swap; }
@font-face { font-family: 'Hanken Grotesk'; src: url(assets/fonts/HankenGrotesk-400.woff2) format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Hanken Grotesk'; src: url(assets/fonts/HankenGrotesk-500.woff2) format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Hanken Grotesk'; src: url(assets/fonts/HankenGrotesk-700.woff2) format('woff2'); font-weight: 700; font-display: swap; }

:root {
  --gutter: clamp(16px, 5vw, 80px);
  --measure: 34em;
  --section-y: clamp(96px, 14vw, 192px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  background: var(--nx-aubergine);
  color: var(--nx-putty);
  font: 400 18px/1.6 var(--nx-font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 3px solid var(--nx-fuchsia); outline-offset: 2px; }
.wrap { padding-inline: var(--gutter); max-width: 1440px; margin-inline: auto; }

.skip {
  position: fixed; left: 16px; top: -60px; z-index: 30;
  background: var(--nx-wasabi); color: var(--nx-aubergine); padding: 10px 16px; border-radius: var(--nx-radius-pill);
  text-decoration: none; font-weight: 500;
}
.skip:focus { top: 16px; }

/* Type */
.display {
  font: 900 clamp(56px, 11vw, 176px)/0.98 var(--nx-font-head);
  letter-spacing: -0.03em;
}
.statement {
  font: 900 clamp(38px, 6.2vw, 96px)/1.02 var(--nx-font-head);
  letter-spacing: -0.025em;
  max-width: 13.5ch;
}
.h2 {
  font: 700 clamp(30px, 3.8vw, 56px)/1.08 var(--nx-font-head);
  letter-spacing: -0.02em;
  max-width: 16ch;
}
.lead { font-size: clamp(19px, 1.6vw, 23px); line-height: 1.5; max-width: 30em; }
.label { font: 500 13px/1.2 var(--nx-font-body); letter-spacing: .08em; text-transform: uppercase; }
.tag {
  display: inline-block; font: 500 14px/1 var(--nx-font-body);
  padding: 8px 12px; border-radius: var(--nx-radius-pill);
  border: 1px solid currentColor; white-space: nowrap;
}

/* Buttons: hover inflates, press settles */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: var(--nx-radius-pill);
  font: 500 17px/1 var(--nx-font-body); text-decoration: none;
  transition: transform var(--nx-t-micro) var(--nx-e-overshoot);
}
.btn:hover { transform: scale(1.03); }
.btn:active { transform: scale(.98); }
.btn-accent { background: var(--nx-wasabi); color: var(--nx-aubergine); }
.btn-dark { background: var(--nx-aubergine); color: var(--nx-putty); }
.btn-ghost { border: 1.5px solid currentColor; }
.btn-big { padding: 20px 36px; font-size: 20px; }

/* Nav: aubergine on the bright plaza, putty once the page turns dark */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--gutter);
  color: var(--nx-aubergine);
  transition: color var(--nx-t-base) var(--nx-e-set);
}
.nav[data-on="flood"] { color: var(--nx-putty); }
.nav[data-on="dark"] { color: var(--nx-putty); background: var(--nx-aubergine); }
.nav[data-on="light"] { color: var(--nx-aubergine); background: var(--nx-putty); }
.nav[data-on="gold"] { color: var(--nx-aubergine); background: var(--nx-curry-gold); }
.nav { transition: color var(--nx-t-base) var(--nx-e-set), background-color var(--nx-t-base) var(--nx-e-set); }
.nav-logo { font: 900 22px/1 var(--nx-font-head); text-decoration: none; }
.nav-links { display: flex; gap: 28px; align-items: center; font-weight: 500; font-size: 16px; }
.nav-links a:not(.btn) { text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 2px no-repeat; transition: background-size var(--nx-t-base) var(--nx-e-set); padding-bottom: 4px; }
.nav-links a:not(.btn):hover { background-size: 100% 2px; }
@media (max-width: 860px) { .nav-links a:not(.btn) { display: none; } }

/* 1. Film */
.hero { position: relative; height: 560vh; }
.hero-stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; background: var(--nx-putty); }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.loading {
  position: absolute; left: 50%; bottom: 32px; width: 160px; height: 3px; margin-left: -80px;
  background: rgba(46, 20, 51, .18); border-radius: 3px; overflow: hidden; transition: opacity var(--nx-t-base);
}
.loading span { display: block; height: 100%; width: 0; background: var(--nx-aubergine); }
.loading.is-done { opacity: 0; }
.sticker {
  position: absolute; right: var(--gutter); bottom: clamp(24px, 7vh, 72px);
  width: 112px; height: 112px; display: grid; place-items: center;
  background: var(--nx-aubergine); color: var(--nx-wasabi);
  border-radius: var(--nx-radius-sticker);
  font: 700 18px/1 var(--nx-font-head);
  transform: rotate(-9deg);
  animation: sticker-drop var(--nx-t-express) var(--nx-e-overshoot) 700ms both;
  transition: opacity var(--nx-t-base), transform var(--nx-t-base) var(--nx-e-set);
}
.sticker.is-gone { opacity: 0; transform: rotate(-9deg) translateY(16px) scale(.9); }
@keyframes sticker-drop { from { opacity: 0; transform: rotate(-30deg) translateY(-40px) scale(1.3); } }

.flood {
  position: absolute; inset: 0;
  background: var(--nx-aubergine); color: var(--nx-putty);
  clip-path: circle(0px at 50% 50%);
  display: flex; align-items: flex-end;
  padding: 0 var(--gutter) clamp(48px, 11vh, 120px);
  pointer-events: none;
}
.flood.is-open { pointer-events: auto; }
.flood-inner { display: grid; gap: 28px; justify-items: start; }
.flood .line { display: block; overflow: hidden; padding-bottom: .06em; }
.flood .line > span { display: inline-block; }
.flood .lead { color: var(--nx-paper-80); }
[data-reveal] { transform: translateY(110%); opacity: 0; transition: transform 400ms var(--nx-e-set), opacity 300ms; }
.lead[data-reveal], .btn[data-reveal] { transform: translateY(20px); }
.flood.is-open [data-reveal] {
  transform: none; opacity: 1;
  transition: transform 900ms var(--nx-e-set) calc(200ms + var(--i) * 90ms), opacity 600ms calc(200ms + var(--i) * 90ms);
}

/* 2. The idea (aubergine, continuing from the flood) */
.idea { padding-block: var(--section-y); }
.idea-body {
  display: grid; gap: 20px; max-width: var(--measure);
  margin: clamp(40px, 6vw, 80px) 0 0 auto; margin-right: 8%;
  color: var(--nx-paper-80); font-size: 20px;
}
.idea-body p:first-child { color: var(--nx-putty); }

.brain {
  margin-top: clamp(72px, 10vw, 140px);
  border: 1px solid var(--nx-paper-20); border-radius: var(--nx-radius-card);
  background: var(--nx-paper-5);
  overflow: hidden;
}
.brain-head {
  display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between;
  padding: 20px 28px; border-bottom: 1px solid var(--nx-paper-20);
}
.brain-title { font: 700 18px/1 var(--nx-font-head); }
.brain-head .tag { color: var(--nx-wasabi); }
.brain-body { display: grid; grid-template-columns: minmax(220px, 300px) 1fr; }
.brain-fields { list-style: none; border-right: 1px solid var(--nx-paper-20); padding: 12px; }
.brain-fields button {
  width: 100%; text-align: left; padding: 14px 16px; border-radius: 14px;
  font-weight: 500; color: var(--nx-paper-80);
  transition: background-color var(--nx-t-base) var(--nx-e-set), color var(--nx-t-base);
}
.brain-fields button:hover { color: var(--nx-putty); background: var(--nx-paper-10); }
.brain-fields button[aria-selected="true"] { background: var(--nx-putty); color: var(--nx-aubergine); }
.brain-panels { padding: clamp(28px, 4vw, 56px); min-height: 280px; display: grid; align-content: center; }
.brain-value { font: 700 clamp(22px, 2.4vw, 34px)/1.3 var(--nx-font-head); letter-spacing: -0.01em; max-width: 24ch; }
.brain-value[dir="rtl"] { font-family: var(--nx-font-body); font-weight: 500; font-size: clamp(24px, 2.6vw, 36px); line-height: 1.6; max-width: none; }
.brain-note { margin-top: 20px; color: var(--nx-paper-60); font-size: 16px; }
[role="tabpanel"]:not([hidden]) { animation: panel-in var(--nx-t-base) var(--nx-e-set); }
@keyframes panel-in { from { opacity: 0; transform: translateY(8px); } }

/* 3. Tracks (putty) */
.tracks { background: var(--nx-putty); color: var(--nx-aubergine); padding-block: var(--section-y); border-radius: 48px 48px 0 0; }
.section-head { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px 64px; align-items: end; }
.section-sub { max-width: var(--measure); color: var(--nx-ink-80); }
.track-player {
  margin-top: clamp(56px, 7vw, 96px);
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 88px);
  align-items: start;
}
.track-list { list-style: none; border-top: 1px solid var(--nx-rule); }
.track-list li { border-bottom: 1px solid var(--nx-rule); }
.track-list button {
  width: 100%; display: grid; grid-template-columns: 40px 1fr auto; align-items: baseline; gap: 16px;
  padding: 18px 4px; text-align: left;
}
.t-no { font: 500 15px/1 var(--nx-font-body); font-variant-numeric: tabular-nums; color: var(--nx-ink-60); }
.t-name {
  font: 900 clamp(32px, 4.2vw, 60px)/1 var(--nx-font-head); letter-spacing: -0.02em;
  color: var(--nx-ink-40);
  transition: color var(--nx-t-base) var(--nx-e-set), transform var(--nx-t-base) var(--nx-e-set);
}
.t-label { font-weight: 500; color: var(--nx-ink-60); }
.track-list button:hover .t-name { color: var(--nx-ink-80); }
.track-list button[aria-selected="true"] .t-name { color: var(--nx-aubergine); transform: translateX(12px); }
.track-list button[aria-selected="true"] .t-no,
.track-list button[aria-selected="true"] .t-label { color: var(--nx-aubergine); }
.track-panels { position: sticky; top: 120px; }
.track-panels article {
  background: var(--nx-aubergine); color: var(--nx-putty);
  border-radius: var(--nx-radius-card); padding: clamp(28px, 3.4vw, 48px);
  display: grid; gap: 18px; min-height: 340px; align-content: start;
}
.track-panels h3 { font: 700 clamp(24px, 2.4vw, 34px)/1.15 var(--nx-font-head); letter-spacing: -0.01em; max-width: 14ch; }
.track-panels p { color: var(--nx-paper-80); max-width: 30em; }
.track-panels .signoff { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--nx-paper-20); color: var(--nx-putty); }
.signoff span { color: var(--nx-wasabi); font-weight: 500; }

/* 4. Engine (curry gold) */
.engine { background: var(--nx-curry-gold); color: var(--nx-aubergine); padding-block: var(--section-y); }
.engine-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(40px, 6vw, 112px); align-items: center; }
.engine-copy { display: grid; gap: 22px; }
.engine-copy p { max-width: 30em; }
.signal {
  background: var(--nx-putty); border-radius: var(--nx-radius-card);
  padding: clamp(24px, 3vw, 40px); transform: rotate(1.5deg);
}
.signal-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--nx-rule); }
.signal-title { font: 700 18px/1 var(--nx-font-head); }
.tag-dark { color: var(--nx-ink-80); }
.signal-lines div { display: grid; grid-template-columns: 140px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--nx-rule); }
.signal-lines dt { font-weight: 700; }
.signal-lines dd { color: var(--nx-ink-80); }
.signal-lines div:last-child dd { color: var(--nx-aubergine); font-weight: 500; }
.signal-foot { padding-top: 18px; font-size: 15px; color: var(--nx-ink-60); }

/* 5. Decide (putty) */
.decide { background: var(--nx-putty); color: var(--nx-aubergine); padding-block: var(--section-y); }
.decide-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 112px); align-items: center; }
.decide-copy { display: grid; gap: 22px; }
.decide-copy p { max-width: 30em; color: var(--nx-ink-80); }
.review {
  border: 1px solid var(--nx-rule); border-radius: var(--nx-radius-card);
  padding: clamp(20px, 2.6vw, 32px); display: grid; gap: 20px; max-width: 520px; justify-self: end; width: 100%;
}
.review-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.review-meta { font-weight: 500; }
.status {
  font: 500 14px/1 var(--nx-font-body); padding: 9px 14px; border-radius: var(--nx-radius-pill);
  transition: background-color var(--nx-t-base) var(--nx-e-pour);
}
.status[data-status="awaiting"] { background: var(--nx-curry-gold); }
.status[data-status="approved"] { background: var(--nx-wasabi); }
.status[data-status="changes"] { box-shadow: inset 0 0 0 1.5px var(--nx-rule); }
.review-post { display: grid; grid-template-columns: 120px 1fr; gap: 18px; align-items: center; }
.review-image { aspect-ratio: 4 / 5; border-radius: 16px; background: var(--nx-aubergine); position: relative; overflow: hidden; }
.review-image::after { content: ''; position: absolute; inset: 18% 20% 30% 22%; border-radius: 50% 50% 46% 54% / 60% 60% 40% 40%; background: var(--nx-fuchsia); }
.review-caption { font-size: 17px; }
.review-version { color: var(--nx-ink-80); font-size: 16px; min-height: 3.2em; }
.review-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.review-comment { display: grid; gap: 10px; }
.review-comment label { font-weight: 500; }
.review-comment textarea {
  font: inherit; color: inherit; background: transparent; resize: vertical;
  border: 1px solid var(--nx-rule); border-radius: var(--nx-radius-input); padding: 12px 14px;
}
.review-comment textarea::placeholder { color: var(--nx-ink-40); }
.review-reset { justify-self: start; text-decoration: underline; text-underline-offset: 3px; color: var(--nx-ink-80); font-size: 15px; }

/* 6. End (aubergine) */
.end { background: var(--nx-aubergine); color: var(--nx-putty); padding-block: var(--section-y) 40px; border-radius: 48px 48px 0 0; margin-top: -48px; position: relative; }
.end .wrap { display: grid; gap: 28px; justify-items: start; }
.end-title { max-width: 9ch; }
.end-sub { color: var(--nx-paper-80); font-size: 20px; max-width: 26em; }
.end-contact { color: var(--nx-paper-60); }
.end-foot {
  margin-top: clamp(80px, 12vw, 160px); width: 100%;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  padding-top: 24px; border-top: 1px solid var(--nx-paper-20); color: var(--nx-paper-60);
}

.preview-note {
  position: fixed; left: 16px; bottom: 16px; z-index: 25;
  background: var(--nx-aubergine); color: var(--nx-wasabi);
  font: 500 13px/1 var(--nx-font-body); padding: 9px 12px; border-radius: var(--nx-radius-pill);
}

/* Narrow screens */
@media (max-width: 900px) {
  .section-head, .track-player, .engine-grid, .decide-grid { grid-template-columns: 1fr; }
  .brain-body { grid-template-columns: 1fr; }
  .brain-head .tag { white-space: normal; line-height: 1.3; }
  .brain-fields { display: flex; gap: 4px; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--nx-paper-20); padding: 10px; }
  .brain-fields li { flex: none; }
  .brain-fields button { white-space: nowrap; padding: 10px 14px; }
  .idea-body { margin: 40px 0 0; }
  .track-panels { position: static; }
  .track-list button { grid-template-columns: 28px 1fr auto; }
  .signal { transform: none; }
  .signal-lines div { grid-template-columns: 1fr; gap: 4px; }
  .review { justify-self: stretch; }
}

/* Reduced motion: no scroll film, short hero, fades only */
.reduced .hero { height: 100vh; }
.reduced .flood { clip-path: none !important; }
.reduced [data-reveal] { transform: none; opacity: 1; }
.reduced .sticker, .reduced .loading { display: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 160ms !important; transition-duration: 160ms !important; }
  .btn:hover, .btn:active { transform: none; }
}