/* ═══════════════════════════════════════════════════════════
   INLABS TECHNOLOGY — cinematic single page
   Palette: near-black blue field, teal + electric blue accents
   Type: Clash Display (display) / General Sans (text)
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg:        oklch(13.5% 0.02 252);
  --bg-raise:  oklch(17% 0.022 250);
  --ink:       oklch(94% 0.012 215);
  --ink-dim:   oklch(70% 0.025 235);
  --ink-faint: oklch(52% 0.025 240);
  --teal:      oklch(84% 0.132 189);
  --blue:      oklch(66% 0.17 251);
  --hair:      oklch(94% 0.012 215 / .1);
  --hair-soft: oklch(94% 0.012 215 / .055);

  --font-display: "Clash Display", "Segoe UI", sans-serif;
  --font-text: "General Sans", "Segoe UI", sans-serif;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --pad-x: clamp(1.25rem, 5vw, 6rem);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

/* film grain over everything, very quiet */
body::after {
  content: "";
  position: fixed;
  inset: -50%;
  z-index: 60;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%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");
  opacity: .035;
  mix-blend-mode: overlay;
}

::selection { background: var(--teal); color: oklch(18% 0.03 250); }

img { display: block; max-width: 100%; }
a { color: inherit; }

section[id] { scroll-margin-top: 4.2rem; }

.eyebrow {
  font-size: .78rem;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.4rem;
}

/* ══════════ LOADER ══════════ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg);
  display: grid;
  place-content: center;
  gap: 1.6rem;
  text-align: center;
  transition: opacity .7s var(--ease-out), visibility .7s;
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader__mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: .42em;
}
.loader__mark span { color: var(--ink-faint); font-weight: 500; }
.loader__bar {
  width: min(320px, 60vw);
  height: 1px;
  margin-inline: auto;
  background: var(--hair);
  overflow: hidden;
}
.loader__bar i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s linear;
}
.loader__hint {
  font-size: .72rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ══════════ NAV ══════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--pad-x);
  transition: background .5s, backdrop-filter .5s, border-color .5s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: oklch(13.5% 0.02 252 / .72);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--hair-soft);
}
.nav__mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .34em;
  text-decoration: none;
}
.nav__mark span { color: var(--ink-faint); font-weight: 500; }
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 3vw, 2.6rem);
}
.nav__links a {
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-dim);
  transition: color .3s;
}
.nav__links a:hover { color: var(--ink); }
.nav__cta {
  color: var(--teal) !important;
  border: 1px solid oklch(84% 0.132 189 / .35);
  padding: .55em 1.2em;
  border-radius: 99px;
  transition: border-color .3s, background .3s, color .3s !important;
}
.nav__cta:hover {
  border-color: var(--teal);
  background: oklch(84% 0.132 189 / .08);
}

/* ══════════ HUB RAIL ══════════ */
.rail {
  position: fixed;
  left: clamp(1rem, 2.6vw, 2.6rem);
  top: 50%;
  translate: 0 -50%;
  z-index: 90;
  display: flex;
  gap: 1.1rem;
  opacity: 0;
  transform: translateX(-14px);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
  pointer-events: none;
}
.rail.is-on { opacity: 1; transform: none; pointer-events: auto; }
.rail__line {
  width: 1px;
  background: var(--hair);
  position: relative;
}
.rail__line i {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 0%;
  background: linear-gradient(180deg, var(--blue), var(--teal));
}
.rail__hubs {
  list-style: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2.1rem;
  padding-block: .2rem;
}
.rail__hub {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  cursor: pointer;
  color: var(--ink-faint);
  transition: color .4s;
}
.rail__hub em {
  font-style: normal;
  font-size: .68rem;
  letter-spacing: .18em;
  transition: color .4s;
}
.rail__hub span {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: .85rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  opacity: .45;
  transition: opacity .4s, letter-spacing .4s, color .4s;
}
.rail__hub:hover span { opacity: .8; }
.rail__hub.is-active { color: var(--ink); }
.rail__hub.is-active em { color: var(--teal); }
.rail__hub.is-active span { opacity: 1; letter-spacing: .24em; }

/* ══════════ TOUR ══════════ */
.tour {
  /* JS sets the exact height from frame count; generous default */
  height: 640vh;
  position: relative;
}
.tour__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
}
#film {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: var(--bg);
}
.tour__grade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 40%, transparent 55%, oklch(10% 0.02 252 / .55) 100%),
    linear-gradient(180deg, oklch(10% 0.02 252 / .5) 0%, transparent 18%, transparent 70%, oklch(10% 0.02 252 / .65) 100%);
}

/* Hero overlay */
.hero {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 0 var(--pad-x) clamp(4rem, 10vh, 7rem);
  pointer-events: none;
}
.hero__kicker {
  font-size: .78rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.6rem;
  opacity: 0;
  animation: heroRise 1.1s var(--ease-out) .35s forwards;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 6.4vw, 5.6rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  max-width: 14ch;
}
.hero__line { display: block; overflow: hidden; }
.hero__line i {
  display: block;
  font-style: normal;
  transform: translateY(110%);
  animation: heroReveal 1.2s var(--ease-out) forwards;
}
.hero__line:nth-child(2) i { animation-delay: .18s; }
.hero__sub {
  margin-top: 1.8rem;
  font-size: .85rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  opacity: 0;
  animation: heroRise 1.1s var(--ease-out) .9s forwards;
}
.hero__cue {
  position: absolute;
  right: var(--pad-x);
  bottom: clamp(4rem, 10vh, 7rem);
  width: 1px;
  height: 64px;
  background: var(--hair);
  overflow: hidden;
}
.hero__cue i {
  display: block;
  width: 100%;
  height: 40%;
  background: var(--teal);
  animation: cueDrop 2s var(--ease-out) infinite;
}
@keyframes heroReveal { to { transform: none; } }
@keyframes heroRise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes cueDrop {
  0% { transform: translateY(-110%); }
  60%, 100% { transform: translateY(260%); }
}

/* Hub captions during the tour */
.caption {
  position: absolute;
  left: var(--pad-x);
  bottom: clamp(3.4rem, 9vh, 6.4rem);
  max-width: 34rem;
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  pointer-events: none;
}
.caption.is-on { opacity: 1; transform: none; }
.caption__index {
  font-size: .74rem;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .9rem;
}
.caption__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 4.2vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: .9rem;
}
.caption__body {
  color: var(--ink-dim);
  font-size: clamp(.95rem, 1vw, 1.05rem);
  max-width: 44ch;
}

/* ══════════ SHARED REVEAL ══════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity .9s var(--ease-out) calc(var(--i, 0) * 90ms),
    transform .9s var(--ease-out) calc(var(--i, 0) * 90ms);
}
.reveal.in { opacity: 1; transform: none; }

/* ══════════ PARTNERS ══════════ */
.partners {
  position: relative;
  z-index: 10;
  background: var(--bg);
  border-top: 1px solid var(--hair-soft);
  padding: clamp(4rem, 9vh, 7rem) 0 clamp(3.4rem, 7vh, 5.5rem);
}
.partners__head {
  padding-inline: var(--pad-x);
  margin-bottom: clamp(2.4rem, 5vh, 4rem);
}
.partners__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.8rem);
  letter-spacing: -0.01em;
  line-height: 1.05;
}
.marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 36s linear infinite;
}
.marquee__set {
  display: flex;
  align-items: baseline;
  gap: clamp(3.5rem, 7vw, 7rem);
  padding-right: clamp(3.5rem, 7vw, 7rem); /* keeps the -50% loop seam invisible */
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.partner {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
  letter-spacing: .04em;
  color: var(--ink-faint);
  white-space: nowrap;
  transition: color .4s;
  cursor: default;
}
.partner b {
  font-weight: 600;
  color: oklch(84% 0.132 189 / .55);
  transition: color .4s;
}
.partner:hover { color: var(--ink); }
.partner:hover b { color: var(--teal); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ══════════ CAPABILITIES ══════════ */
.caps {
  position: relative;
  z-index: 10;
  background: var(--bg);
  padding: clamp(6rem, 14vh, 11rem) var(--pad-x) clamp(5rem, 10vh, 8rem);
  border-top: 1px solid var(--hair-soft);
}
.caps__head {
  max-width: 62rem;
  margin-bottom: clamp(4rem, 8vh, 6.5rem);
}
.caps__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 5.4vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.015em;
  margin-bottom: 1.6rem;
}
.caps__intro {
  color: var(--ink-dim);
  max-width: 52ch;
}
.caps__groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(30rem, 100%), 1fr));
  column-gap: clamp(2.5rem, 6vw, 6rem);
  row-gap: clamp(3rem, 6vh, 4.5rem);
}
.caps__groupname {
  font-size: .8rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink-faint);
  margin-bottom: 1.1rem;
}
.svc { list-style: none; }
.svc__row {
  display: flex;
  gap: 1.4rem;
  padding: 1.15rem 0.4rem 1.15rem 0;
  border-top: 1px solid var(--hair-soft);
  transition: background .35s;
}
.svc__row:last-child { border-bottom: 1px solid var(--hair-soft); }
.svc__row em {
  font-style: normal;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--ink-faint);
  padding-top: .42em;
  min-width: 2ch;
  transition: color .35s;
}
.svc__main { flex: 1; }
.svc__main h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  letter-spacing: .005em;
  transition: transform .45s var(--ease-out), color .35s;
}
.svc__more {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .5s var(--ease-out);
}
.svc__more > div { overflow: hidden; }
.svc__more p {
  padding-top: .55rem;
  color: var(--ink-dim);
  font-size: .95rem;
  max-width: 52ch;
  opacity: 0;
  transition: opacity .4s .08s;
}
.svc__row:hover, .svc__row:focus-within { background: oklch(94% 0.012 215 / .022); }
.svc__row:hover em, .svc__row:focus-within em { color: var(--teal); }
.svc__row:hover h4, .svc__row:focus-within h4 { transform: translateX(6px); }
.svc__row:hover .svc__more, .svc__row:focus-within .svc__more { grid-template-rows: 1fr; }
.svc__row:hover .svc__more p, .svc__row:focus-within .svc__more p { opacity: 1; }

/* ══════════ TEAM ══════════ */
.team {
  position: relative;
  z-index: 10;
  background: linear-gradient(180deg, var(--bg), var(--bg-raise) 30%, var(--bg));
  padding: clamp(6rem, 14vh, 11rem) var(--pad-x);
}
.team__head { margin-bottom: clamp(3.4rem, 7vh, 5.5rem); }
.team__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 5.4vw, 4.6rem);
  letter-spacing: -0.015em;
  line-height: 1.03;
}
.team__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.2rem, 2.4vw, 2.2rem);
}
.member { grid-column: span 3; }
.member--founder { grid-column: span 6; }
.member__photo {
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--bg-raise);
}
.member--founder .member__photo { aspect-ratio: 4 / 4.4; }
.member__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 18%;
  filter: grayscale(.88) contrast(1.02);
  transform: scale(1.015);
  transition: filter .7s var(--ease-out), transform .9s var(--ease-out);
}
.member:hover .member__photo img,
.member:focus-within .member__photo img {
  filter: none;
  transform: scale(1.05);
}
.member figcaption {
  padding-top: 1rem;
  border-top: 1px solid transparent;
  transition: border-color .5s;
}
.member:hover figcaption { border-top-color: oklch(84% 0.132 189 / .5); }
.member strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.12rem;
  letter-spacing: .01em;
}
.member span {
  display: block;
  margin-top: .25rem;
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.member--founder span { color: var(--teal); }

/* ══════════ CONTACT ══════════ */
.contact {
  position: relative;
  z-index: 10;
  background: var(--bg);
  border-top: 1px solid var(--hair-soft);
  padding: clamp(6rem, 14vh, 11rem) var(--pad-x);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(3rem, 7vw, 7rem);
}
.contact__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4.4vw, 3.8rem);
  letter-spacing: -0.015em;
  line-height: 1.06;
  margin-bottom: 1.4rem;
}
.contact__lede { color: var(--ink-dim); max-width: 44ch; margin-bottom: 3rem; }
.contact__details { display: grid; gap: 1.6rem; }
.contact__details dt {
  font-size: .72rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: .3rem;
}
.contact__details dd { font-size: 1.02rem; }
.contact__details a {
  text-decoration: none;
  border-bottom: 1px solid oklch(84% 0.132 189 / .4);
  transition: border-color .3s, color .3s;
}
.contact__details a:hover { color: var(--teal); border-bottom-color: var(--teal); }

/* form */
.form { display: grid; gap: 2.2rem; align-content: start; position: relative; }
.field { position: relative; }
.field input,
.field textarea,
.field select {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hair);
  color: var(--ink);
  font: inherit;
  padding: .9em 0 .7em;
  outline: none;
  border-radius: 0;
  resize: vertical;
}
.field select { appearance: none; cursor: pointer; }
.field--select::after {
  content: "";
  position: absolute;
  right: .4rem;
  top: 50%;
  width: .55em; height: .55em;
  border-right: 1px solid var(--ink-dim);
  border-bottom: 1px solid var(--ink-dim);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.field label {
  position: absolute;
  left: 0;
  top: .9em;
  color: var(--ink-faint);
  letter-spacing: .04em;
  pointer-events: none;
  transition: transform .4s var(--ease-out), font-size .4s var(--ease-out), color .4s, letter-spacing .4s;
}
.field__rule {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .55s var(--ease-out);
}
.field:focus-within .field__rule { transform: scaleX(1); }
.field:focus-within label,
.field input:not(:placeholder-shown) + label,
.field textarea:not(:placeholder-shown) + label,
.field select:valid + label {
  transform: translateY(-1.55em);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--teal);
}
.field.is-invalid input,
.field.is-invalid textarea,
.field.is-invalid select { border-bottom-color: oklch(62% 0.19 25 / .7); }
.form__error {
  color: oklch(74% 0.15 25);
  font-size: .88rem;
  min-height: 1.2em;
  margin-top: -1rem;
}
.form__submit {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: .9em;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--hair);
  border-radius: 99px;
  font: inherit;
  font-size: .85rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding: 1em 1.9em;
  cursor: pointer;
  transition: background .45s var(--ease-out), color .45s, border-color .45s;
}
.form__submit i {
  font-style: normal;
  transition: transform .45s var(--ease-out);
}
.form__submit:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: oklch(18% 0.03 250);
}
.form__submit:hover i { transform: translateX(5px); }
.form__done {
  border-left: 2px solid var(--teal);
  padding-left: 1.4rem;
}
.form__done strong {
  font-family: var(--font-display);
  font-size: 1.3rem;
  display: block;
  margin-bottom: .4rem;
}
.form__done p { color: var(--ink-dim); }

/* ══════════ FOOTER ══════════ */
.footer {
  position: relative;
  z-index: 10;
  background: var(--bg);
  border-top: 1px solid var(--hair-soft);
  padding: 2.2rem var(--pad-x);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .82rem;
  color: var(--ink-faint);
}
.footer a { text-decoration: none; transition: color .3s; }
.footer a:hover { color: var(--teal); }

/* ══════════ RESPONSIVE ══════════ */
@media (max-width: 1060px) {
  .member { grid-column: span 4; }
  .member--founder { grid-column: span 6; }
  .team__grid { grid-template-columns: repeat(8, 1fr); }
}
@media (max-width: 900px) {
  .nav__links a:not(.nav__cta) { display: none; }
  .contact { grid-template-columns: 1fr; }
  .rail {
    left: auto;
    right: 1rem;
    top: auto;
    bottom: 1.2rem;
    translate: none;
    transform: translateY(14px);
  }
  .rail__line { display: none; }
  .rail__hubs { flex-direction: row; gap: 1.1rem; }
  .rail__hub span { display: none; }
  .rail__hub.is-active span {
    display: inline;
    font-size: .7rem;
  }
}
@media (max-width: 640px) {
  .team__grid { grid-template-columns: repeat(2, 1fr); }
  .member, .member--founder { grid-column: span 1; }
  .member--founder { grid-column: span 2; }
  .caption { right: var(--pad-x); }
}

/* ══════════ REDUCED MOTION ══════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
  /* caption opacity stays state-driven (.is-on) — only the motion is removed */
  .caption { transition: none; transform: none; }
  .marquee__track { animation: none; }
  .marquee {
    overflow-x: auto;
    mask-image: none;
    -webkit-mask-image: none;
    scrollbar-width: thin;
    scrollbar-color: var(--hair) transparent;
    padding-bottom: .6rem;
  }
  .hero__kicker, .hero__sub { animation-duration: .01s; animation-delay: 0s; }
  .hero__line i { animation-duration: .01s; }
  .hero__cue { display: none; }
}