/* Humenyx — clinical precise */

:root {
  --paper: #f4f1ea;
  --paper-2: #ece8df;
  --paper-3: #e3ddd0;
  --ink: #18171a;
  --ink-2: #2a2826;
  --ink-3: #5a564f;
  --ink-4: #908a7f;
  --rule: #d4cdbd;
  --rule-2: #c2b9a4;
  --accent: #b8602a;     /* warm amber */
  --accent-ink: #6e3614;
  --signal: #2d6a4f;     /* sparingly */
  --serif: 'Instrument Serif', 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter Tight', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: -0.005em;
}

/* paper noise */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.4;
  mix-blend-mode: multiply;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(0,0,0,0.02), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0,0,0,0.02), transparent 40%);
}

::selection { background: var(--ink); color: var(--paper); }

a { color: inherit; text-decoration: none; }

.mono {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.serif {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  font-feature-settings: "liga", "dlig";
}

.tabular { font-variant-numeric: tabular-nums; }

.hairline { border: 0; border-top: 1px solid var(--rule); margin: 0; }

/* ---------- container ---------- */
.shell {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 64px;
  gap: 32px;
}
.nav-links {
  display: flex;
  gap: 28px;
  justify-content: center;
}
.nav-links a {
  font-size: 13px;
  color: var(--ink-2);
  position: relative;
  padding: 4px 2px;
  transition: color .2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 8px 14px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  transition: all .2s;
  cursor: pointer;
}
.nav-cta:hover { background: var(--accent); border-color: var(--accent); }

.nav-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 var(--signal);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(45,106,79, 0.5); }
  50%      { box-shadow: 0 0 0 5px rgba(45,106,79, 0); }
}

/* ---------- wordmark ---------- */
.wordmark {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
}
.wordmark .h-glyph {
  display: inline-block;
  position: relative;
  font-style: italic;
  margin-right: 3px;
}
.wordmark .core { letter-spacing: 0; }
.wordmark .y { color: var(--accent); font-style: italic; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: end;
}
.hero-left { display: flex; flex-direction: column; gap: 28px; min-height: 540px; justify-content: space-between;}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero-meta .tick { width: 24px; height: 1px; background: var(--rule-2); }

h1.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 8vw, 116px);
  line-height: 0.94;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}
.hero-title .em { font-style: italic; color: var(--accent-ink); }
.hero-title .small { font-size: 0.42em; vertical-align: 0.7em; font-style: italic; color: var(--ink-3); margin-left: 6px; letter-spacing: 0;}

.hero-blurb {
  max-width: 460px;
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.5;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition: all .22s ease;
  border: 1px solid transparent;
  font-family: inherit;
}
.btn-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.btn .arrow {
  display: inline-block;
  transition: transform .25s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

/* hero specs strip */
.hero-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  padding-top: 18px;
}
.hero-specs .spec {
  border-right: 1px solid var(--rule);
  padding-right: 16px;
}
.hero-specs .spec:last-child { border-right: 0; }
.spec .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  display: block;
  margin-bottom: 6px;
}
.spec .val {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.spec .val .unit { font-family: var(--mono); font-size: 11px; color: var(--ink-3); margin-left: 4px; }

/* ---------- placeholder image system ---------- */
.ph {
  position: relative;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  overflow: hidden;
  isolation: isolate;
}
.ph::before {
  /* technical scanlines */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      135deg,
      transparent 0 14px,
      rgba(24,23,26,0.045) 14px 15px
    );
}
.ph::after {
  /* corner crops */
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(24,23,26,0.18);
  pointer-events: none;
}
.ph .ph-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  background: var(--paper);
  padding: 4px 8px;
  border: 1px solid var(--rule);
  z-index: 2;
}
.ph .ph-meta {
  position: absolute;
  bottom: 12px;
  right: 12px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  text-align: right;
  z-index: 2;
  line-height: 1.4;
}
.ph .ph-meta .row { display: block; }
.ph .crosshair {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 24px; height: 24px;
  z-index: 2;
}
.ph .crosshair::before, .ph .crosshair::after {
  content: ""; position: absolute; background: rgba(24,23,26,0.35);
}
.ph .crosshair::before { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%); }
.ph .crosshair::after  { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-50%); }

/* hero placeholder specifics */
.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  min-height: 540px;
}
.hero-visual .annot {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-visual .annot .line { width: 40px; height: 1px; background: var(--ink-2); }
.hero-visual .annot.right { flex-direction: row-reverse; }
.hero-visual .annot-1 { top: 16%; left: -120px; }
.hero-visual .annot-2 { top: 42%; right: -136px; }
.hero-visual .annot-3 { bottom: 22%; left: -140px; }

/* ---------- section header pattern ---------- */
.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.section-head {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  margin-bottom: 56px;
  align-items: start;
}
.section-eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.section-eyebrow .num { color: var(--ink); margin-right: 12px; }
.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
.section-title .em { font-style: italic; color: var(--accent-ink); }
.section-lede {
  margin-top: 18px;
  max-width: 620px;
  font-size: 17px;
  color: var(--ink-2);
  line-height: 1.55;
}

/* ---------- mission ---------- */
.mission {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: start;
}
.mission-copy p {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 24px;
  letter-spacing: -0.005em;
}
.mission-copy p .em { font-style: italic; color: var(--accent-ink); }
.mission-copy .body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 16px;
}

.mission-visual {
  aspect-ratio: 4/5;
}

/* ---------- capabilities tabs ---------- */
.cap-board {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  border-top: 1px solid var(--rule);
}
.cap-list {
  border-right: 1px solid var(--rule);
  padding-right: 16px;
  padding-top: 8px;
}
.cap-item {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 18px 8px;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  position: relative;
  transition: background .2s;
}
.cap-item:hover { background: var(--paper-2); }
.cap-item .num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
  letter-spacing: 0.06em;
}
.cap-item .name {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--ink);
  transition: color .2s;
}
.cap-item .arrow {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink-4);
  transition: all .25s;
}
.cap-item.active {
  background: var(--ink);
  color: var(--paper);
}
.cap-item.active .num { color: rgba(255,255,255,0.5); }
.cap-item.active .name { color: var(--paper); font-style: italic; }
.cap-item.active .arrow { color: var(--accent); transform: translateX(4px); }

.cap-detail {
  padding: 28px 4px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  min-height: 480px;
}
.cap-text { display: flex; flex-direction: column; gap: 24px; }
.cap-text .stamp {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.cap-text h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 44px;
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin: 0;
}
.cap-text h3 .em { font-style: italic; color: var(--accent-ink); }
.cap-text .desc { font-size: 16px; color: var(--ink-2); line-height: 1.55; max-width: 460px; }
.cap-text .desc + .desc { margin-top: -8px; }

.cap-spec-list {
  list-style: none;
  margin: 0; padding: 0;
  border-top: 1px solid var(--rule);
}
.cap-spec-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 13.5px;
}
.cap-spec-list .k {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-4);
  padding-top: 2px;
}
.cap-spec-list .v { color: var(--ink-2); }

.cap-visual { aspect-ratio: 1/1; min-height: 380px; }

/* ---------- approach ---------- */
.approach {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.approach-list {
  list-style: none;
  margin: 0; padding: 0;
  border-top: 1px solid var(--rule);
}
.approach-list li {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.approach-list .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  padding-top: 6px;
}
.approach-list .h {
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  line-height: 1.2;
}
.approach-list .h .em { font-style: italic; color: var(--accent-ink); }
.approach-list .b {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 540px;
}

.approach-visual { position: sticky; top: 96px; aspect-ratio: 4/5; }

/* ---------- connect ---------- */
.connect {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.connect-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.connect-channel {
  border-top: 1px solid var(--rule);
  padding: 20px 0;
}
.connect-channel:last-child { border-bottom: 1px solid var(--rule); }
.connect-channel .lbl {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 8px;
}
.connect-channel .v {
  font-family: var(--serif);
  font-size: 30px;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.1;
}
.connect-channel .note {
  font-size: 13px;
  color: var(--ink-3);
  margin-top: 4px;
}

.form {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.form-row input, .form-row textarea, .form-row select {
  font-family: inherit;
  font-size: 15px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule-2);
  padding: 10px 0;
  color: var(--ink);
  outline: none;
  transition: border-color .2s;
  resize: vertical;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  border-color: var(--ink);
}
.form-row input::placeholder, .form-row textarea::placeholder { color: var(--ink-4); }
.form-row.error input, .form-row.error textarea { border-color: var(--accent); }
.form-row .err {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form-submit {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.form-submit .meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.form-success {
  background: var(--ink);
  color: var(--paper);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-success .stamp {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.form-success h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 36px;
  margin: 0;
  letter-spacing: -0.01em;
}
.form-success h4 .em { font-style: italic; }
.form-success p { font-size: 14.5px; color: rgba(255,255,255,0.7); margin: 0; max-width: 380px; line-height: 1.5;}
.form-success button {
  margin-top: 8px;
  align-self: flex-start;
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  transition: all .2s;
}
.form-success button:hover { background: var(--paper); color: var(--ink); }

/* ---------- footer ---------- */
.foot {
  padding: 64px 0 32px;
  background: var(--ink);
  color: var(--paper);
  position: relative;
  z-index: 2;
}
.foot::before { content: none; }
.foot .grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  padding-bottom: 40px;
}
.foot h5 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin: 0 0 16px;
}
.foot ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.foot ul a { color: rgba(255,255,255,0.85); font-size: 14px; transition: color .2s;}
.foot ul a:hover { color: var(--accent); }
.foot .word {
  font-family: var(--serif);
  font-size: 56px;
  letter-spacing: -0.025em;
  line-height: 0.95;
}
.foot .word .y { color: var(--accent); font-style: italic; }
.foot .blurb { font-size: 14px; color: rgba(255,255,255,0.65); margin-top: 12px; max-width: 320px; line-height: 1.5;}
.foot .legal {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.armed {
  opacity: 0;
  transform: translateY(18px);
}
.reveal.armed.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal.delay-1 { transition-delay: .08s; }
.reveal.delay-2 { transition-delay: .16s; }
.reveal.delay-3 { transition-delay: .24s; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .mission, .cap-board, .approach, .connect { grid-template-columns: 1fr; gap: 32px; }
  .cap-list { border-right: 0; padding-right: 0; }
  .cap-detail { grid-template-columns: 1fr; min-height: 0;}
  .approach-visual { position: static; }
  .section-head { grid-template-columns: 1fr; gap: 12px; margin-bottom: 32px;}
  .hero-visual .annot { display: none; }
  .foot .grid { grid-template-columns: 1fr 1fr; }
  .hero-specs { grid-template-columns: repeat(2, 1fr); gap: 16px;}
  .hero-specs .spec:nth-child(2) { border-right: 0; }
}
@media (max-width: 600px) {
  .shell { padding: 0 20px; }
  .nav-links { display: none; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .foot .grid { grid-template-columns: 1fr; }
}