:root {
  --bg: #07080d;
  --bg-raise: #10131c;
  --bg-panel: #12151e;
  --text: #f4f2ec;
  --text-soft: #d4cfc4;
  --muted: #a39e93;
  --line: rgba(244, 242, 236, 0.12);
  --blue: #7ea2ff;
  --mint: #8ee0b8;
  --serif: "Instrument Serif", "Iowan Old Style", Palatino, "Palatino Linotype", serif;
  --sans: "Instrument Sans", "Avenir Next", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --header: 76px;
  --wrap: 1180px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--mint));
  z-index: 80;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  max-width: 100%;
}

h1, h2, h3, p {
  text-wrap: pretty;
}

h1, .section-title, .statement, .mission h2 {
  text-wrap: balance;
}

a {
  color: inherit;
}

::selection {
  background: var(--mint);
  color: #10140f;
}

:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 90;
  background: var(--text);
  color: #12130f;
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
}

.skip:focus {
  top: 12px;
}

.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;
}

.wrap {
  width: min(var(--wrap), calc(100% - 48px));
  margin-inline: auto;
}

.mark {
  background-image: linear-gradient(90deg, var(--blue), var(--mint));
  background-repeat: no-repeat;
  background-size: 100% 3px;
  background-position: left bottom;
  padding-bottom: 0.08em;
}

.eyebrow {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #b7c4ef;
}

.section-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 5vw, 4.35rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.section-intro {
  margin: 20px 0 0;
  max-width: 40rem;
  color: var(--text-soft);
  font-size: 1.125rem;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header);
  display: flex;
  align-items: center;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(7, 8, 13, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  letter-spacing: -0.02em;
  font-size: 0.98rem;
}

.logo svg {
  width: 22px;
  height: 22px;
  flex: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--text);
}

.nav-links a.is-active {
  box-shadow: inset 0 -1px 0 var(--mint);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  background: var(--text);
  color: #14160f;
  font: inherit;
  font-weight: 500;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:hover {
  background: #d9f5e6;
}

.btn-small {
  padding: 10px 16px;
  font-size: 0.92rem;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(244, 242, 236, 0.18);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(244, 242, 236, 0.16);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font: inherit;
  font-size: 1.3rem;
  line-height: 1;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.07);
}

.menu-toggle {
  display: none;
}

.burger,
.burger::before,
.burger::after {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--text);
  border-radius: 1px;
  position: relative;
}

.burger::before,
.burger::after {
  content: "";
  position: absolute;
  left: 0;
}

.burger::before { top: -5px; }
.burger::after { top: 5px; }

.menu-toggle[aria-expanded="true"] .burger {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .burger::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .burger::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(7, 8, 13, 0.96);
  padding: 120px 28px 48px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
}

.nav-overlay[hidden] {
  display: none;
}

.nav-overlay a {
  font-family: var(--serif);
  font-size: clamp(3.2rem, 12vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--text);
}

.nav-overlay a:hover {
  color: var(--mint);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header) + 28px) 0 72px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 45% at 86% 18%, rgba(126, 162, 255, 0.16), transparent 70%),
    radial-gradient(40% 40% at 70% 80%, rgba(142, 224, 184, 0.08), transparent 70%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: auto, auto, 80px 80px, 80px 80px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 10%, transparent 72%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  gap: 36px;
  align-items: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding: 6px 14px 6px 6px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
}

.chip-kicker {
  background: #1a2236;
  color: #d5e0ff;
  border-radius: 999px;
  padding: 6px 10px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chip:hover {
  border-color: rgba(142, 224, 184, 0.45);
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.15rem, 5.3vw, 5.45rem);
  line-height: 0.94;
  letter-spacing: -0.035em;
  max-width: 11em;
}

.lede {
  margin: 26px 0 0;
  max-width: 36rem;
  color: var(--text-soft);
  font-size: 1.18rem;
  line-height: 1.45;
}

.hero-copy .btn {
  margin-top: 32px;
}

.hero-visual {
  position: relative;
}

.strata {
  display: block;
  width: 100%;
  height: auto;
}

.strata-lines {
  transform-box: fill-box;
  transform-origin: center;
  animation: strata-drift 16s ease-in-out infinite alternate;
}

@keyframes strata-drift {
  from { transform: translateY(0); }
  to { transform: translateY(-10px); }
}

.endotype-card {
  position: absolute;
  left: 12px;
  bottom: 22px;
  width: min(270px, 78%);
  padding: 16px 16px 15px;
  border-radius: 16px;
  background: rgba(10, 13, 20, 0.88);
  border: 1px solid rgba(142, 224, 184, 0.38);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.endotype-card .eyebrow {
  margin-bottom: 6px;
  color: var(--mint);
}

.endotype-card .card-title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.55rem;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.endotype-card p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.mission {
  padding: 96px 0 40px;
}

.mission-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) 1.28fr;
  gap: 48px;
  align-items: end;
}

.mission-title {
  justify-self: start;
  padding: 28px 32px 22px;
  border-radius: 28px;
  background:
    radial-gradient(120% 90% at 0% 100%, rgba(126, 162, 255, 0.22), transparent 55%),
    radial-gradient(90% 80% at 100% 0%, rgba(142, 224, 184, 0.14), transparent 50%),
    var(--bg-panel);
  border: 1px solid var(--line);
}

.mission h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(4.2rem, 7.4vw, 6.6rem);
  line-height: 0.84;
  letter-spacing: -0.04em;
}

.mission-copy {
  margin: 0;
  font-size: clamp(1.2rem, 1.7vw, 1.55rem);
  line-height: 1.45;
  color: var(--text-soft);
}

.statement-section {
  padding: 88px 0 40px;
}

.statement {
  margin: 0;
  max-width: 9em;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.6rem, 8vw, 7.4rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.approach,
.platform,
.flow-section {
  padding: 88px 0;
}

.modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 48px;
}

.mode {
  position: relative;
  overflow: hidden;
  padding: 32px 28px 36px;
  border-radius: 22px;
  background: var(--bg-raise);
  border: 1px solid var(--line);
}

.mode::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--mint));
}

.mode-index {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.mode h3 {
  margin: 14px 0 8px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 3vw, 2.6rem);
  letter-spacing: -0.03em;
}

.mode .dek {
  margin: 0 0 14px;
  color: var(--text-soft);
}

.mode p:last-child {
  margin: 0;
  color: var(--muted);
}

.steps {
  list-style: none;
  margin: 56px 0 0;
  padding: 0;
}

.step {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px 28px;
  padding: 36px 8px;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header) + 16px);
}

.step:last-child {
  border-bottom: 1px solid var(--line);
}

.step-index {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 3vw, 3rem);
  line-height: 1;
  color: rgba(244, 242, 236, 0.32);
  transition: color 0.2s var(--ease);
}

.step:hover .step-index {
  color: var(--mint);
}

.step h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 2.6vw, 2.45rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.dek {
  margin: 0 0 10px;
  color: var(--text-soft);
}

.step p:last-child {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
}

.flow {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  margin: 48px 0 0;
  padding: 28px 0 0;
  position: relative;
}

.flow::before {
  content: "";
  position: absolute;
  top: 68px;
  left: 12px;
  width: calc(80% + 14px);
  height: 1px;
  background: linear-gradient(90deg, var(--blue), var(--mint));
}

.flow li {
  position: relative;
  padding-top: 28px;
}

.flow-n {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--mint);
  color: var(--mint);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.flow h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.flow p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.flow-note {
  margin: 22px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.principles {
  padding: 28px 0 40px;
}

.principle-band {
  background: #0c0f16;
  border-block: 1px solid var(--line);
  padding: 88px 0;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.principle {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.principle span {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.principle h3 {
  margin: 12px 0 10px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.85rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.principle p {
  margin: 0;
  color: var(--muted);
}

.cta {
  padding: 88px 0 40px;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: clamp(32px, 5vw, 64px);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(126, 162, 255, 0.18), transparent 52%),
    radial-gradient(70% 120% at 0% 100%, rgba(142, 224, 184, 0.12), transparent 48%),
    var(--bg-panel);
  border: 1px solid var(--line);
}

.cta h2 {
  margin: 0;
  max-width: 11em;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.7rem, 5vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.cta p {
  max-width: 36rem;
  color: var(--text-soft);
  font-size: 1.1rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 22px;
  margin-top: 8px;
}

.cta-mail {
  color: var(--mint);
  text-underline-offset: 3px;
}

.site-footer {
  padding: 28px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 32px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.footer-brand p {
  max-width: 22rem;
  color: var(--muted);
}

.footer-grid h2 {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #b7c4ef;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-grid li + li {
  margin-top: 8px;
}

.footer-grid a {
  color: var(--text-soft);
  text-decoration: none;
}

.footer-grid a:hover {
  color: var(--text);
}

.footer-button {
  background: none;
  border: 0;
  padding: 0;
  color: var(--text-soft);
  font: inherit;
  cursor: pointer;
}

.footer-button:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-bottom a {
  color: var(--muted);
}

dialog {
  width: min(560px, calc(100vw - 28px));
  max-height: min(92vh, 820px);
  overflow: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #10131a;
  color: var(--text);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

dialog::backdrop {
  background: rgba(5, 6, 10, 0.74);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal-body {
  position: relative;
  padding: 32px 28px 28px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
}

#contact-title,
#contact-success h2 {
  margin: 0 40px 10px 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
  line-height: 1.02;
}

.modal-body > p,
#contact-success p {
  margin: 0 0 22px;
  color: var(--text-soft);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.field span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #c9c3b8;
}

.field input,
.field textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(244, 242, 236, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  padding: 12px 14px;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--mint);
  border-color: transparent;
}

.form-note {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.88rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

#company,
#approach,
#platform,
#flow,
#principles {
  scroll-margin-top: calc(var(--header) + 12px);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

.hero-copy > * {
  animation: rise 0.8s var(--ease) both;
}

.hero-copy > *:nth-child(2) { animation-delay: 0.08s; }
.hero-copy > *:nth-child(3) { animation-delay: 0.16s; }
.hero-copy > *:nth-child(4) { animation-delay: 0.24s; }

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    padding-top: calc(var(--header) + 36px);
  }

  .hero-grid,
  .mission-grid,
  .modes,
  .principle-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-width: 520px;
  }

  .endotype-card {
    position: relative;
    left: auto;
    bottom: auto;
    width: 100%;
    margin-top: 14px;
  }

  .mission-title {
    padding: 22px 22px 16px;
  }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .flow {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 0;
  }

  .flow::before {
    top: 12px;
    bottom: 12px;
    left: 11px;
    right: auto;
    width: 1px;
    height: auto;
  }

  .flow li {
    padding: 0 0 28px 48px;
  }

  .flow-n {
    position: absolute;
    left: 0;
    top: 0;
    margin: 0;
  }
}

@media (max-width: 700px) {
  .wrap {
    width: min(var(--wrap), calc(100% - 32px));
  }

  .step {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-grid,
  .footer-bottom {
    grid-template-columns: 1fr;
  }

  .modal-actions {
    flex-direction: column-reverse;
  }

  .modal-actions .btn {
    width: 100%;
  }
}

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

  .strata-lines,
  .hero-copy > * {
    animation: none;
  }
}