/* UMBRA — experimental WebGL studio
   deep charcoal → black · bone white · single ember accent */

:root {
  --ink: #0a0a0d;
  --bone: #e8e4dd;
  --bone-dim: rgba(232, 228, 221, 0.62);
  --bone-faint: rgba(232, 228, 221, 0.38);
  --ember: #ff6b2c;
  --ember-dim: rgba(255, 107, 44, 0.55);
  --hair: rgba(232, 228, 221, 0.10);
  --glass: rgba(10, 10, 14, 0.44);
  --font-display: "Michroma", "Arial Narrow", sans-serif;
  --font-body: "Archivo", "Helvetica Neue", sans-serif;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  background: #050507;
  color: var(--bone);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.012em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ember); color: #0a0a0d; }

/* ---------- canvas + grain ---------- */

#gl {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 0;
  display: block;
}

.grain {
  position: fixed;
  inset: -50%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.05;
  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='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  animation: grain-shift 1.4s steps(4) infinite;
}
@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 3%); }
  50% { transform: translate(3%, -1%); }
  75% { transform: translate(-1%, -3%); }
  100% { transform: translate(0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .grain { animation: none; }
}

main { position: relative; z-index: 2; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.6rem 3rem;
  background: linear-gradient(to bottom, rgba(5, 5, 8, 0.86), rgba(5, 5, 8, 0.42) 70%, rgba(5, 5, 8, 0.0));
  -webkit-backdrop-filter: blur(9px);
  backdrop-filter: blur(9px);
  -webkit-mask-image: linear-gradient(to bottom, black 55%, transparent);
  mask-image: linear-gradient(to bottom, black 55%, transparent);
  pointer-events: none; /* the faded strip must not swallow clicks */
}
.nav a { pointer-events: auto; }

a:focus-visible, button:focus-visible {
  outline: 1px solid var(--ember);
  outline-offset: 4px;
  border-radius: 2px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: 0.42em;
  color: var(--bone);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.nav-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 12px 2px rgba(255, 107, 44, 0.6);
  display: inline-block;
  transform: translateY(-1px);
}

.nav-links { display: flex; gap: 2.4rem; align-items: center; }
.nav-links a {
  color: var(--bone-dim);
  text-decoration: none;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  transition: color 0.35s ease;
  padding: 0.4rem 0;
  position: relative;
}
.nav-links a:hover { color: var(--bone); }
/* scrollspy: ember hairline under the section you are in */
.nav-links a:not(.nav-guide)::after {
  content: "";
  position: absolute;
  left: 0; right: 0.28em; /* optical: ignore trailing letter-space */
  bottom: 0.05rem;
  height: 1px;
  background: var(--ember);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-links a.active { color: var(--bone); }
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.nav-guide {
  color: var(--ember);
  border: 1px solid rgba(255, 107, 44, 0.35);
  padding: 0.45rem 1.05rem;
  border-radius: 2rem;
  transition: border-color 0.35s ease, background 0.35s ease, color 0.35s ease;
}
.nav-links a.nav-guide:hover {
  background: rgba(255, 107, 44, 0.12);
  border-color: var(--ember);
}

/* ---------- phase rail ---------- */

.phase-rail {
  position: fixed;
  left: 3rem;
  bottom: 2.4rem;
  z-index: 10;
  display: flex;
  align-items: flex-end;
  gap: 1.1rem;
  transition: opacity 0.5s ease;
}
.phase-rail.rail-hidden { opacity: 0; }
.phase-line {
  width: 1px;
  height: 110px;
  background: var(--hair);
  position: relative;
  overflow: hidden;
}
.phase-fill {
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(to bottom, var(--ember), rgba(255,107,44,0.2));
}
.phase-label {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.phase-key { color: var(--bone-faint); }
#phaseName { color: var(--ember); font-family: var(--font-display); font-size: 0.66rem; }
.phase-label span { text-shadow: 0 1px 10px rgba(5, 5, 7, 0.95), 0 0 3px rgba(5, 5, 7, 0.9); }

/* ---------- capabilities ticker ---------- */

.ticker {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  padding: 1.15rem 0;
  -webkit-mask-image: linear-gradient(to right, transparent, black 12%, black 88%, transparent);
  mask-image: linear-gradient(to right, transparent, black 12%, black 88%, transparent);
}
.ticker-track {
  display: flex;
  width: max-content;
  gap: 3.2rem;
  animation: ticker-run 46s linear infinite;
  will-change: transform;
}
.ticker span {
  font-family: var(--font-display);
  font-size: 0.64rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--bone-faint);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 3.2rem;
}
.ticker span::after {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--ember);
  opacity: 0.55;
  display: inline-block;
}
@keyframes ticker-run {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
}

/* ---------- type ---------- */

h1, h2 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  color: var(--bone);
}

h1 {
  font-size: clamp(2.6rem, 7.2vw, 6.2rem);
  line-height: 1.14;
  letter-spacing: 0.06em;
}

/* hero headline: each line rises out of its own mask, slightly offset */
.hline { display: block; overflow: hidden; padding-bottom: 0.06em; margin-bottom: -0.06em; }
.hline-in {
  display: inline-block;
  transform: translateY(112%);
  transition: transform 1.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in .hline-in { transform: translateY(0); }
.hline:nth-child(1) .hline-in { transition-delay: 0.18s; }
.hline:nth-child(2) .hline-in { transition-delay: 0.34s; }
@media (prefers-reduced-motion: reduce) {
  .hline-in { transform: none; transition: none; }
}

h2 {
  font-size: clamp(1.35rem, 3vw, 2.3rem);
  line-height: 1.35;
  letter-spacing: 0.1em;
  margin-bottom: 2.2rem;
}

h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 0.98rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bone);
}

.overline {
  font-size: 0.7rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 2.4rem;
}

.lede {
  font-size: 1.06rem;
  font-weight: 300;
  color: var(--bone-dim);
  max-width: 34em;
}

.panel-kicker {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.66rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 2.6rem;
}
.kicker-rule {
  flex: 0 0 56px;
  height: 1px;
  background: linear-gradient(to right, var(--ember-dim), transparent);
}

/* ---------- hero ---------- */

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 3rem 6rem;
  position: relative;
}
.hero-inner { max-width: 1200px; margin: 0 auto; width: 100%; }

.hero-sub {
  margin-top: 2.8rem;
  max-width: 33em;
  color: var(--bone-dim);
  font-size: 1.04rem;
  text-shadow: 0 1px 18px rgba(5, 5, 7, 0.8);
}

.hero-meta {
  margin-top: 3.4rem;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bone-faint);
}
.meta-sep { width: 34px; height: 1px; background: var(--hair); }

.scroll-cue {
  position: absolute;
  bottom: 2.6rem;
  right: 3rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--bone-faint);
  text-decoration: none;
  font-size: 0.64rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  transition: color 0.4s ease;
}
.scroll-cue:hover { color: var(--ember); }
.cue-line {
  width: 52px;
  height: 1px;
  background: var(--bone-faint);
  position: relative;
  overflow: hidden;
}
.cue-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ember);
  transform: translateX(-100%);
  animation: cue-sweep 2.6s ease-in-out infinite;
}
@keyframes cue-sweep {
  0% { transform: translateX(-100%); }
  55% { transform: translateX(0); }
  100% { transform: translateX(100%); }
}
@media (prefers-reduced-motion: reduce) {
  .cue-line::after { animation: none; }
}

/* ---------- sections + glass panels ---------- */

.section {
  padding: 16vh 3rem;
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  scroll-margin-top: 4.5rem;
}

.panel {
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  backdrop-filter: blur(16px) saturate(130%);
  border: 1px solid var(--hair);
  border-radius: 4px;
  padding: 4rem 4.4rem;
  position: relative;
}
.panel::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 72px;
  height: 1px;
  background: var(--ember);
  opacity: 0.9;
  transition: width 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
/* the ember tick draws itself as the panel reveals */
.panel.reveal::before { width: 0; }
.panel.reveal.in::before {
  width: 72px;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1) 0.45s;
}
.work.reveal.in:hover::before { width: 156px; transition-delay: 0s; }
@media (prefers-reduced-motion: reduce) {
  .panel.reveal::before, .panel.reveal.in::before { width: 72px; transition: none; }
}

.panel-left  { max-width: 760px; margin-right: auto; }
.panel-right { max-width: 720px; margin-left: auto; }
.panel-center { max-width: 720px; margin: 0 auto; text-align: left; }

/* tenets */

.tenets {
  list-style: none;
  margin-top: 3.4rem;
  display: flex;
  flex-direction: column;
}
.tenets li {
  display: flex;
  gap: 2.2rem;
  padding: 2.1rem 0;
  border-top: 1px solid var(--hair);
}
.tenets li:last-child { padding-bottom: 0.4rem; }
.tenet-num {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--ember);
  padding-top: 0.3rem;
  flex: 0 0 2.6rem;
}
.tenets h3 { margin-bottom: 0.7rem; }
.tenets p { color: var(--bone-dim); font-size: 0.95rem; max-width: 30em; }

/* ---------- works ---------- */

.works-head { max-width: 760px; margin-bottom: 5rem; }
.works-lede { margin-top: -0.6rem; }

.work {
  display: grid;
  grid-template-columns: 7rem 1fr 12rem;
  gap: 3rem;
  align-items: start;
  margin-bottom: 2.2rem;
  padding: 3rem 3.4rem;
  transition: border-color 0.5s ease, background 0.5s ease, transform 0.5s ease;
}
.work:hover {
  border-color: rgba(255, 107, 44, 0.4);
  background: rgba(12, 10, 12, 0.55);
  transform: translateY(-3px);
}
.work:hover::before { width: 156px; }
.work-index {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  color: var(--ember);
  padding-top: 0.35rem;
  transition: text-shadow 0.5s ease;
}
.work:hover .work-index { text-shadow: 0 0 18px rgba(255, 107, 44, 0.8); }
.work h3 { font-size: 1.25rem; letter-spacing: 0.18em; margin-bottom: 0.55rem; }
.work-client {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bone-faint);
  margin-bottom: 1.3rem;
}
.work-body p:last-child { color: var(--bone-dim); font-size: 0.97rem; max-width: 36em; }

.work-tags {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-top: 0.4rem;
}
.work-tags li {
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bone-dim);
  border: 1px solid rgba(232, 228, 221, 0.16);
  padding: 0.4rem 0.9rem;
  border-radius: 2rem;
  width: fit-content;
  white-space: nowrap;
  transition: border-color 0.5s ease;
}
.work:hover .work-tags li { border-color: rgba(255, 107, 44, 0.32); }

/* ---------- method ---------- */

.method-list { margin-top: 1rem; }
.method-row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 2rem;
  padding: 1.9rem 0;
  border-top: 1px solid var(--hair);
}
.method-row:first-child { border-top: none; padding-top: 0.4rem; }
.method-row dt {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ember);
  padding-top: 0.25rem;
}
.method-row dd { color: var(--bone-dim); font-size: 0.97rem; }

/* ---------- contact ---------- */

.section-contact { padding-bottom: 22vh; }

.contact-mail-row {
  display: flex;
  align-items: baseline;
  gap: 1.6rem;
  flex-wrap: wrap;
  margin-top: 3rem;
}
.contact-mail-row .contact-mail { margin-top: 0; }

.copy-mail {
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bone-faint);
  background: none;
  border: 1px solid rgba(232, 228, 221, 0.16);
  border-radius: 2rem;
  padding: 0.42rem 1rem 0.42rem 1.14rem;
  cursor: pointer;
  transition: color 0.35s ease, border-color 0.35s ease;
}
.copy-mail:hover { color: var(--ember); border-color: rgba(255, 107, 44, 0.45); }
.copy-mail.copied {
  color: var(--ember);
  border-color: var(--ember);
}

.contact-mail {
  display: inline-block;
  margin-top: 3rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.6vw, 1.7rem);
  letter-spacing: 0.12em;
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid var(--ember-dim);
  padding-bottom: 0.6rem;
  transition: color 0.4s ease;
  word-break: normal;
  overflow-wrap: anywhere;
  position: relative;
}
.contact-mail::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--ember);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
.contact-mail:hover { color: var(--ember); }
.contact-mail:hover::after { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) {
  .contact-mail::after, .nav-links a:not(.nav-guide)::after, .panel::before { transition: none; }
}

.contact-meta {
  margin-top: 3.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.contact-meta > div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.4rem;
  font-size: 0.86rem;
  color: var(--bone-dim);
}
.cm-key {
  font-size: 0.64rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bone-faint);
  padding-top: 0.25rem;
}

/* ---------- footer ---------- */

.footer {
  position: relative;
  border-top: 1px solid var(--hair);
  background: rgba(6, 6, 8, 0.72);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3.2rem 3rem 3.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.footer-logo {
  font-family: var(--font-display);
  letter-spacing: 0.42em;
  font-size: 0.9rem;
  color: var(--bone);
  margin-bottom: 0.4rem;
}
.footer p { font-size: 0.82rem; color: var(--bone-dim); }
.footer a { color: var(--ember); text-decoration: none; border-bottom: 1px solid rgba(255,107,44,0.3); }
.footer a:hover { border-color: var(--ember); }
.footer-fine { font-size: 0.72rem; color: var(--bone-faint); letter-spacing: 0.04em; }

/* ---------- reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.12s; }
.reveal.d2 { transition-delay: 0.24s; }
.reveal.d3 { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* hover lift must outrank .reveal.in transform */
.work.reveal.in:hover { transform: translateY(-3px); }
@media (prefers-reduced-motion: reduce) {
  .work.reveal.in:hover { transform: none; }
}

/* ---------- fallback (no WebGL2) ---------- */

body.no-webgl {
  background:
    radial-gradient(120% 90% at 70% 110%, rgba(255, 107, 44, 0.16), transparent 60%),
    radial-gradient(100% 70% at 30% -10%, rgba(40, 40, 52, 0.5), transparent 70%),
    #050507;
}
body.no-webgl #gl { display: none; }

/* ---------- mobile ---------- */

@media (max-width: 900px) {
  .work { grid-template-columns: 1fr; gap: 1.4rem; padding: 2.4rem 2rem; }
  .work-tags { flex-direction: row; flex-wrap: wrap; }
  .panel { padding: 2.8rem 2rem; }
  .method-row { grid-template-columns: 1fr; gap: 0.6rem; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .nav { padding: 1.2rem 1.4rem; }
  .nav-links { gap: 1.2rem; }
  .nav-links a { font-size: 0.62rem; letter-spacing: 0.2em; }
  .nav-links a:not(.nav-guide) { display: none; }
  .nav-links a.nav-guide { padding: 0.42rem 1rem; }
  .hero { padding: 7rem 1.6rem 7rem; }
  .hero-meta { flex-direction: column; align-items: flex-start; gap: 0.85rem; }
  .hero-meta .meta-sep { display: none; }
  .section { padding: 14vh 1.4rem; }
  .ticker span { letter-spacing: 0.26em; }
  .scroll-cue { right: 1.6rem; bottom: 5.4rem; }
  .phase-rail { left: 1.4rem; bottom: 1.6rem; }
  .phase-line { height: 64px; }
  .tenets li { gap: 1.2rem; }
  .contact-meta > div { grid-template-columns: 1fr; gap: 0.3rem; }
  .contact-mail { font-size: 1.02rem; letter-spacing: 0.09em; }
  .footer-inner { padding: 2.6rem 1.6rem 3rem; }
}