/* Troctolite corporate site — Orbital Mineral
   Warm editorial ground, one midnight hero, fine rules and mineral geometry. */

:root {
  --void: #07090D;
  --obsidian: #0E1117;
  --lunar: #F7F8F3;
  --regolith: #E9ECE5;
  --olivine: #B7FF5A;
  --plasma: #5CE1E6;
  --solar: #FFB86B;
  --signal: #A13A2E;
  --slate: #8B95A5;
  --graphite: #5E6672;

  --paper: #F3EFE5;
  --paper-deep: #EBE4D5;
  --paper-sage: #E6EAE1;
  --paper-lunar: #F8F5ED;
  --ink: #0B0D10;
  --muted: #5A5F63;
  --rule: #D4CCBD;
  --rule-strong: #9A9384;
  --input-line: #827B6C;
  --accent: #0A6B74;
  --olive-ink: #4D5B2A;
  --signal-ink: #7B2C24;
  --focus: #0A6B74;
  --focus-light: #5CE1E6;

  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: "Inter", "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "Roboto Mono", Consolas, "Liberation Mono", monospace;
  --container: 1240px;
  --gutter: clamp(20px, 4vw, 40px);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

p,
h1,
h2,
h3,
figure,
dl,
dd,
ol,
ul {
  margin: 0;
}

ol,
ul {
  padding: 0;
  list-style: none;
}

[hidden] {
  display: none !important;
}

.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;
}

::selection {
  background: var(--olivine);
  color: var(--void);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.hero :focus-visible,
.site-header :focus-visible {
  outline-color: var(--focus-light);
}

.num,
input[type="number"],
.section-marker__num,
.workflow-list__index,
.lane-rows__index,
.lanes__index {
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "lnum" 1, "tnum" 1;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-160%);
  background: var(--lunar);
  color: var(--void);
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--void);
  transition: transform 160ms var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--void);
  border-bottom: 1px solid rgba(247, 248, 243, 0.14);
}

.site-header__inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}

.brand img {
  width: auto;
  height: 46px;
}

.site-nav {
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.4vw, 34px);
}

.site-nav__list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: #D8DDD4;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.site-nav__list a:hover {
  color: var(--lunar);
  border-bottom-color: var(--olivine);
}

.site-nav__signin {
  gap: 8px;
  padding: 0 15px;
  min-height: 44px !important;
  border: 1px solid rgba(247, 248, 243, 0.32) !important;
  color: var(--lunar) !important;
  font-weight: 600 !important;
  transition: background-color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.site-nav__signin:hover {
  background: rgba(247, 248, 243, 0.07);
  border-color: rgba(247, 248, 243, 0.62) !important;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(247, 248, 243, 0.34);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle__icon {
  display: flex;
  width: 18px;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle__icon span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--lunar);
  transition: transform 160ms var(--ease-out);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

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

h2 {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 5.4vw, 4.8rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--olive-ink);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow--light {
  color: #C7CEC0;
}

.eyebrow__rule {
  width: 32px;
  height: 1px;
  flex: 0 0 auto;
  background: #7F8974;
}

.section-marker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
}

.section-marker__num {
  padding-right: 12px;
  border-right: 1px solid var(--rule-strong);
  color: var(--olive-ink);
}

.section {
  position: relative;
  padding-block: clamp(76px, 9.5vw, 128px);
}

section[id] {
  scroll-margin-top: 96px;
}

main:focus {
  outline: none;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: var(--void);
  color: var(--lunar);
  padding-block: clamp(64px, 7.5vw, 110px) clamp(68px, 8vw, 108px);
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  align-items: center;
  gap: clamp(48px, 7vw, 104px);
}

.hero__copy {
  min-width: 0;
}

.hero h1 {
  max-width: 780px;
  margin-top: 26px;
  color: var(--lunar);
  font-family: var(--serif);
  font-size: clamp(3.75rem, 8vw, 7rem);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: -0.047em;
}

.hero h1 em {
  font-style: italic;
}

.hero__body {
  max-width: 48ch;
  margin-top: 30px;
  color: #C3C9BE;
  font-size: clamp(17px, 1.45vw, 18px);
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px 28px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.005em;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), color 180ms var(--ease-out);
}

.button__arrow {
  display: inline-block;
  font-size: 17px;
  line-height: 1;
  transition: transform 180ms var(--ease-out);
}

.button:hover .button__arrow {
  transform: translateX(3px);
}

.button--light {
  background: var(--lunar);
  border-color: var(--lunar);
  color: var(--void);
}

.button--light:hover {
  background: var(--regolith);
  border-color: var(--regolith);
}

.button--ink {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-lunar);
  min-height: 52px;
  padding-inline: 24px;
}

.button--ink:hover {
  background: #24302A;
  border-color: #24302A;
}

.button[disabled] {
  cursor: wait;
  opacity: 0.66;
}

.hero__signin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(247, 248, 243, 0.34);
  color: var(--lunar);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 160ms var(--ease-out);
}

.hero__signin:hover {
  border-bottom-color: var(--olivine);
}

.hero__signin-tag {
  margin-left: 2px;
  padding-left: 9px;
  border-left: 1px solid #3A424D;
  color: var(--slate);
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.045em;
}

.hero__availability {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
  max-width: 620px;
  margin-top: clamp(40px, 5vw, 62px);
  padding-top: 18px;
  border-top: 1px solid rgba(247, 248, 243, 0.16);
  color: #C8CEC3;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--olivine);
}

.status-dot--olive {
  background: var(--olivine);
  border: 1px solid var(--olive-ink);
}

.status-dot--solar {
  background: var(--solar);
  border: 1px solid #7A4B10;
}

.status-dot--hollow {
  background: transparent;
  border: 1px solid var(--rule-strong);
}

.dot-sep {
  color: #707A6E;
}

.hero-art {
  position: absolute;
  top: 20px;
  right: max(-300px, -20vw);
  width: min(840px, 72vw);
  pointer-events: none;
}

.hero-art__geometry {
  opacity: 0.78;
}

/* ---------- Hero valuation panel ---------- */

.valuation {
  position: relative;
  z-index: 2;
  justify-self: end;
  width: 100%;
  max-width: 442px;
  padding: 26px 26px 22px;
  background: #0B0E13;
  border: 1px solid #313844;
  border-radius: 2px;
}

.valuation::before {
  content: "";
  position: absolute;
  top: -12px;
  right: -12px;
  width: 54px;
  height: 54px;
  border-top: 1px solid #3A424D;
  border-right: 1px solid #3A424D;
  pointer-events: none;
}

.valuation__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.valuation__label {
  color: #DCE1D7;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.17em;
  line-height: 1.4;
  text-transform: uppercase;
}

.valuation__stamp {
  padding: 5px 8px;
  border: 1px solid #3B434F;
  color: #A5AEA2;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.11em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.valuation__item {
  margin-top: 27px;
  color: #DCE1D7;
  font-size: 15px;
  line-height: 1.5;
}

.valuation__item > span[aria-hidden] {
  color: #6B756A;
}

.valuation__item .num {
  color: #F0F2EB;
}

.valuation__amount {
  margin-top: 7px;
  color: var(--lunar);
  font-family: var(--serif);
  font-size: clamp(3rem, 4.8vw, 3.75rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.045em;
  font-variant-numeric: lining-nums tabular-nums;
}

.valuation__ruler {
  width: 100%;
  height: 22px;
  margin-top: 22px;
  margin-bottom: 15px;
}

.valuation__lanes {
  padding-top: 14px;
  border-top: 1px solid #2C333F;
}

.valuation__lanes-label {
  color: var(--slate);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.15em;
  line-height: 1;
  text-transform: uppercase;
}

.lanes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 12px;
}

.lanes li {
  min-width: 0;
  padding: 9px 10px 0;
  border-left: 1px solid #2C333F;
}

.lanes li:first-child {
  padding-left: 0;
  border-left: 0;
}

.lanes__index {
  display: block;
  color: #8B95A5;
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.3;
  letter-spacing: 0.08em;
}

.lanes__name {
  display: block;
  margin-top: 4px;
  color: #E7EBE3;
  font-size: 12.5px;
  line-height: 1.3;
}

.valuation figcaption {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid #262D37;
  color: #939CA8;
  font-size: 11.5px;
  line-height: 1.6;
}

/* ---------- Product ---------- */

.section--product {
  background: var(--paper);
}

.product__intro {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(32px, 5vw, 64px);
}

.product__intro .section-heading {
  grid-column: 1 / 8;
}

.product__lead {
  grid-column: 9 / 13;
  align-self: end;
  padding-bottom: 8px;
  color: #41474A;
  font-size: 17.5px;
  line-height: 1.68;
}

.product__blocks {
  display: flex;
  flex-direction: column;
  gap: clamp(68px, 8vw, 108px);
  margin-top: clamp(64px, 8vw, 104px);
}

.product-block {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(32px, 5vw, 76px);
  align-items: center;
  padding-top: 34px;
  border-top: 1px solid var(--rule);
}

.product-block__text {
  grid-column: 1 / 5;
}

.product-block--source .product-figure {
  grid-column: 1 / 8;
}

.product-block--source .product-block__text {
  grid-column: 9 / 13;
}

.product-block--handoff .product-block__text {
  grid-column: 2 / 6;
}

.product-block--handoff .product-figure {
  grid-column: 7 / 13;
}

.product-block--lanes .product-figure {
  grid-column: 6 / 13;
}

.block-index {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--olive-ink);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1;
}

.block-index::after {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--rule-strong);
}

.product-block h3 {
  max-width: 14ch;
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.product-block__text p {
  max-width: 37ch;
  margin-top: 17px;
  color: #444A4B;
  font-size: 16.5px;
  line-height: 1.68;
}

.product-figure {
  position: relative;
  isolation: isolate;
  min-width: 0;
}

.figure-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--rule);
}

.figure-kicker,
.figure-note {
  font-family: var(--mono);
  line-height: 1.4;
}

.figure-kicker {
  color: var(--ink);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.figure-note {
  color: var(--muted);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: right;
}

/* Four lane schematic */

.figure-lanes::before {
  content: "";
  position: absolute;
  top: 54px;
  right: -4px;
  z-index: -1;
  width: 300px;
  height: 300px;
  border: 1px solid var(--rule);
  border-radius: 50%;
}

.lane-rows {
  border-bottom: 1px solid var(--rule);
}

.lane-rows li {
  display: grid;
  grid-template-columns: 30px minmax(90px, 0.9fr) minmax(30px, 1.8fr) 9px;
  align-items: center;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}

.lane-rows__index {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.lane-rows__name {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  line-height: 1;
  letter-spacing: -0.025em;
}

.lane-rows__rule {
  width: 100%;
  height: 1px;
  background: var(--rule-strong);
}

.lane-rows__mark {
  width: 9px;
  height: 9px;
  border: 1px solid var(--olive-ink);
  border-radius: 50%;
}

/* Quote provenance schematic */

.figure-provenance {
  padding-right: clamp(0px, 5vw, 80px);
}

.provenance-panel {
  background: var(--paper-lunar);
  border: 1px solid var(--rule);
  padding: 25px 26px 22px;
}

.provenance-panel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--rule);
}

.provenance-panel__title {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.13em;
  line-height: 1.3;
  text-transform: uppercase;
}

.provenance-list > div {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.provenance-list dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  line-height: 1.5;
  text-transform: uppercase;
}

.provenance-list dd {
  color: var(--ink);
  font-size: 14.5px;
  line-height: 1.5;
  text-align: right;
}

.provenance-panel__warning {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 18px;
  color: #7A4B10;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.015em;
  line-height: 1.4;
}

.product-figure figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

/* Proposal handoff schematic */

.handoff-stage {
  display: grid;
  grid-template-columns: minmax(250px, 1.15fr) minmax(150px, 0.85fr);
  align-items: end;
  gap: clamp(28px, 4vw, 54px);
  padding-right: clamp(0px, 2vw, 24px);
}

.proposal-sheet {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 372px;
  padding: 22px 23px 18px;
  background: var(--paper-lunar);
  border: 1px solid var(--rule);
}

.proposal-sheet::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 9px -9px -9px 9px;
  border: 1px solid var(--rule);
  pointer-events: none;
}

.proposal-sheet__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.proposal-sheet__top > span {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.15em;
  line-height: 1.4;
  text-transform: uppercase;
}

.proposal-qr {
  width: 34px;
  height: 34px;
  border: 1px solid var(--rule);
}

.proposal-sheet__doc {
  margin-top: 26px;
}

.proposal-sheet__line {
  display: block;
  width: 62%;
  height: 1px;
  margin-top: 13px;
  background: #C8C1B2;
}

.proposal-sheet__line--long {
  width: 92%;
}

.proposal-sheet__line--mid {
  width: 76%;
}

.proposal-sheet__line--short {
  width: 42%;
}

.proposal-signature {
  margin-top: 28px;
  padding-top: 8px;
  border-top: 1px solid var(--rule);
}

.proposal-signature svg {
  width: 150px;
  height: 40px;
}

.proposal-signature span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.proposal-tags {
  display: flex;
  gap: 6px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}

.proposal-tags span {
  padding: 4px 7px;
  border: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
}

.handoff-notes {
  border-top: 1px solid var(--rule);
}

.handoff-notes li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
  color: #41474A;
  font-size: 12.5px;
  line-height: 1.45;
}

.handoff-notes__mark {
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  background: var(--olive-ink);
}

/* ---------- Workflow ---------- */

.section--workflow {
  background: var(--paper-deep);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.workflow__head {
  max-width: 960px;
}

.workflow__head .eyebrow {
  margin-top: 36px;
}

.workflow__head h2 {
  max-width: 900px;
  margin-top: 16px;
}

.workflow-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(56px, 6.5vw, 86px);
  border-top: 1px solid var(--rule-strong);
}

.workflow-list li {
  min-height: 338px;
  padding: 32px 26px 0;
  border-left: 1px solid var(--rule);
}

.workflow-list li:first-child {
  padding-left: 0;
  border-left: 0;
}

.workflow-list li:nth-child(2) {
  padding-top: 86px;
}

.workflow-list li:nth-child(3) {
  padding-top: 54px;
}

.workflow-list li:nth-child(4) {
  padding-top: 118px;
}

.workflow-list__index {
  position: relative;
  display: block;
  margin-bottom: 54px;
  color: var(--olive-ink);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1;
}

.workflow-list__index::after {
  content: "";
  position: absolute;
  top: 18px;
  left: 0;
  width: 6px;
  height: 6px;
  border: 1px solid var(--olive-ink);
  border-radius: 50%;
  background: var(--paper-deep);
}

.workflow-list h3 {
  font-family: var(--serif);
  font-size: clamp(2rem, 2.8vw, 2.5rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
}

.workflow-list p {
  max-width: 28ch;
  margin-top: 14px;
  color: #454A4B;
  font-size: 15.5px;
  line-height: 1.66;
}

/* ---------- Approach ---------- */

.section--approach {
  overflow: hidden;
  background: var(--paper-sage);
}

.approach-art {
  position: absolute;
  top: 60px;
  right: max(-160px, -10vw);
  width: min(540px, 46vw);
  pointer-events: none;
}

.approach__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(32px, 5vw, 64px);
}

.approach__intro {
  grid-column: 1 / 8;
}

.approach__intro h2 {
  max-width: 690px;
}

.approach__body {
  grid-column: 9 / 13;
  align-self: start;
  margin-top: clamp(79px, 9vw, 124px);
  padding-top: 20px;
  border-top: 1px solid var(--rule-strong);
}

.approach__body p {
  color: #3F4644;
  font-size: 17.5px;
  line-height: 1.7;
}

.approach__principles {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(72px, 9vw, 124px);
  border-top: 1px solid var(--rule-strong);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.65rem, 2.7vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -0.028em;
}

.approach__principles span {
  display: flex;
  flex-direction: column;
  min-height: 154px;
  padding: 22px 32px 0 0;
}

.approach__principles span + span {
  padding-left: 32px;
  border-left: 1px solid var(--rule-strong);
}

.approach__principles span::before {
  content: attr(data-index);
  display: block;
  margin-bottom: 34px;
  color: var(--olive-ink);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1;
}

/* ---------- Availability ---------- */

.section--availability {
  background: var(--paper-lunar);
  border-top: 1px solid var(--rule);
}

.availability__head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(32px, 5vw, 64px);
}

.availability__head .section-heading {
  grid-column: 1 / 8;
}

.availability__intro {
  grid-column: 9 / 13;
  align-self: end;
  padding-bottom: 8px;
  color: #41474A;
  font-size: 17.5px;
  line-height: 1.68;
}

.availability__groups {
  margin-top: clamp(56px, 6.5vw, 84px);
  border-top: 1px solid var(--ink);
}

.capability-group {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 48px);
  padding: 38px 0;
  border-bottom: 1px solid var(--rule);
}

.capability-group__label {
  grid-column: 1 / 4;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.capability-group__label .status-dot {
  margin-top: 5px;
}

.capability-group__label h3 {
  max-width: 220px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.capability-group--available .capability-group__label h3 {
  color: var(--olive-ink);
}

.capability-group > .capability-list {
  grid-column: 5 / 13;
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(28px, 4vw, 56px);
}

.capability-list li {
  position: relative;
  padding: 10px 0 10px 17px;
  border-top: 1px solid var(--rule);
  color: #3F4647;
  font-size: 16px;
  line-height: 1.5;
}

.capability-list li::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 0;
  width: 5px;
  height: 5px;
  border: 1px solid var(--rule-strong);
}

.capability-list--available li {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.capability-list--available li::before {
  width: 6px;
  height: 6px;
  top: 18px;
  background: var(--olive);
  border-color: var(--olive-ink);
}

.capability-group--planned .capability-list li {
  color: var(--muted);
  font-size: 15px;
}

.availability__footnote {
  max-width: 76ch;
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

/* ---------- Contact ---------- */

.section--contact {
  background: var(--paper);
  border-top: 1px solid var(--rule);
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(48px, 7vw, 96px);
}

.contact__intro {
  grid-column: 1 / 6;
}

.contact__intro .eyebrow {
  margin-top: 32px;
}

.contact__intro h2 {
  max-width: 560px;
  margin-top: 18px;
}

.contact__intro > p:last-child {
  max-width: 43ch;
  margin-top: 24px;
  color: #41474A;
  font-size: 17.5px;
  line-height: 1.7;
}

.contact__form-wrap {
  grid-column: 7 / 13;
  min-width: 0;
  padding-top: 4px;
}

.contact-form {
  padding-top: 24px;
  border-top: 1px solid var(--ink);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 34px;
}

.field {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  display: flex;
  align-items: baseline;
  gap: 5px;
  color: #3D4243;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.field-required {
  color: #8A3A2A;
  font-size: 11px;
}

.field-optional {
  margin-left: auto;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: none;
}

.field input,
.field textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 0 12px;
  border: 0;
  border-bottom: 1px solid var(--input-line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
  transition: border-color 160ms var(--ease-out);
}

.field textarea {
  min-height: 132px;
  margin-top: 2px;
  padding: 14px;
  border: 1px solid var(--input-line);
  background: var(--paper-lunar);
  resize: vertical;
}

.field input:hover,
.field textarea:hover {
  border-bottom-color: #5A5A51;
}

.field textarea:hover {
  border-color: #5A5A51;
}

.field input:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-color: var(--ink);
}

.field input::placeholder,
.field textarea::placeholder {
  color: #6F6A5E;
  opacity: 1;
}

.form-error {
  margin-top: 28px;
  padding: 5px 0 5px 14px;
  border-left: 3px solid var(--signal);
  color: var(--signal-ink);
  font-size: 14px;
  line-height: 1.55;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 34px;
}

.form-requirements {
  max-width: 30ch;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.55;
}

.form-privacy {
  margin-top: 15px;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.55;
}

.form-noscript {
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.55;
}

.form-success {
  min-height: 300px;
  padding-top: 28px;
  border-top: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.form-success__mark {
  width: 12px;
  height: 12px;
  margin-bottom: 34px;
  background: var(--olivine);
  border: 1px solid var(--olive-ink);
}

.form-success h3 {
  max-width: 16ch;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 3.7vw, 3.2rem);
  font-weight: 400;
  line-height: 1.03;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.form-success h3:focus {
  outline: none;
}

.form-success p {
  margin-top: 16px;
  color: #41474A;
  font-size: 17px;
  line-height: 1.65;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--paper-deep);
  border-top: 1px solid var(--ink);
  padding-top: 48px;
  padding-bottom: 28px;
}

.site-footer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--rule);
}

.brand--footer img {
  height: 40px;
}

.site-footer__nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px clamp(22px, 3vw, 36px);
}

.site-footer__nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border-bottom: 1px solid transparent;
  color: #333A39;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 160ms var(--ease-out), color 160ms var(--ease-out);
}

.site-footer__nav a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 22px;
}

.site-footer__bottom p {
  color: #4C5150;
  font-size: 12px;
  line-height: 1.6;
}

.site-footer__art {
  width: 150px;
  flex: 0 0 auto;
  opacity: 0.75;
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 52px;
  }

  .hero h1 {
    max-width: 700px;
  }

  .hero__body {
    max-width: 56ch;
  }

  .valuation {
    justify-self: start;
    max-width: 500px;
  }

  .product-block--handoff .product-block__text {
    grid-column: 1 / 5;
  }

  .product-block--handoff .product-figure {
    grid-column: 6 / 13;
  }

  .approach__body {
    margin-top: 64px;
  }

  .workflow-list li {
    min-height: 360px;
    padding-right: 22px;
  }
}

@media (max-width: 960px) {
  .site-header__inner {
    min-height: 72px;
  }

  .brand img {
    height: 42px;
  }

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

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    max-height: calc(100dvh - 72px);
    overflow-y: auto;
    background: var(--void);
    border-bottom: 1px solid rgba(247, 248, 243, 0.18);
    padding: 6px var(--gutter) 24px;
  }

  .site-nav[data-open="true"] {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__list li {
    border-top: 1px solid rgba(247, 248, 243, 0.12);
  }

  .site-nav__list li:first-child {
    border-top: 0;
  }

  .site-nav__list li:last-child {
    border-top: 0;
    padding-top: 14px;
  }

  .site-nav__list a {
    min-height: 52px;
    width: 100%;
    padding: 8px 2px;
    font-size: 15.5px;
  }

  .site-nav__signin {
    min-height: 48px !important;
    padding-inline: 16px !important;
    justify-content: space-between;
  }

  .product__intro,
  .availability__head {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .product__intro .section-heading,
  .product__lead,
  .availability__head .section-heading,
  .availability__intro {
    grid-column: 1 / -1;
  }

  .product__lead,
  .availability__intro {
    max-width: 58ch;
    padding-bottom: 0;
  }

  .product-block {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .product-block__text,
  .product-block--source .product-block__text,
  .product-block--handoff .product-block__text {
    grid-column: 1 / -1;
    order: -1;
  }

  .product-block--source .product-figure,
  .product-block--handoff .product-figure,
  .product-block--lanes .product-figure {
    grid-column: 1 / -1;
  }

  .product-block h3 {
    max-width: 20ch;
  }

  .product-block__text p {
    max-width: 58ch;
  }

  .figure-provenance {
    padding-right: 0;
  }

  .workflow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow-list li {
    min-height: 0;
    padding: 32px 26px 48px;
  }

  .workflow-list li:nth-child(2) {
    padding-top: 32px;
  }

  .workflow-list li:nth-child(3) {
    padding-top: 32px;
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  .workflow-list li:nth-child(4) {
    padding-top: 32px;
    border-top: 1px solid var(--rule);
  }

  .workflow-list li:nth-child(3),
  .workflow-list li:nth-child(4) {
    min-height: 250px;
  }

  .workflow-list__index {
    margin-bottom: 32px;
  }

  .approach__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .approach__intro,
  .approach__body {
    grid-column: 1 / -1;
  }

  .approach__body {
    max-width: 600px;
    margin-top: 0;
  }

  .approach__principles {
    grid-template-columns: minmax(0, 1fr);
    border-top: 1px solid var(--rule-strong);
  }

  .approach__principles span {
    min-height: 0;
    padding: 22px 0 26px;
    flex-direction: row;
    align-items: baseline;
    gap: 22px;
  }

  .approach__principles span + span {
    padding-left: 0;
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  .approach__principles span::before {
    flex: 0 0 auto;
    margin-bottom: 0;
  }

  .capability-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .capability-group__label,
  .capability-group > .capability-list {
    grid-column: 1 / -1;
  }

  .contact__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 46px;
  }

  .contact__intro,
  .contact__form-wrap {
    grid-column: 1 / -1;
  }

  .contact__intro > p:last-child {
    max-width: 58ch;
  }

  .contact__form-wrap {
    max-width: 680px;
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 24px;
  }

  html {
    scroll-padding-top: 84px;
  }

  section[id] {
    scroll-margin-top: 84px;
  }

  .hero {
    padding-top: 54px;
  }

  .hero-art {
    top: 26%;
    right: -52%;
    width: 130vw;
    opacity: 0.7;
  }

  h2 {
    font-size: clamp(2.45rem, 8.3vw, 3.6rem);
  }

  .hero h1 {
    font-size: clamp(3.5rem, 13vw, 5.2rem);
  }

  .valuation {
    max-width: none;
  }

  .valuation__amount {
    font-size: clamp(3rem, 11vw, 3.8rem);
  }

  .product-block h3 {
    font-size: clamp(1.9rem, 7vw, 2.35rem);
  }

  .handoff-stage {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .proposal-sheet {
    max-width: 100%;
  }

  .handoff-notes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 24px;
  }

  .handoff-notes li:last-child {
    grid-column: 1 / -1;
  }

  .approach-art {
    top: 20px;
    right: -46%;
    width: 110vw;
    opacity: 0.55;
  }

  .capability-list--available li {
    font-size: 19px;
  }

  .form-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
  }

  .form-actions .button {
    width: 100%;
  }

  .form-requirements {
    max-width: none;
  }

  .site-footer__top {
    align-items: flex-start;
    flex-direction: column;
    gap: 26px;
    padding-bottom: 30px;
  }

  .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .site-footer__art {
    display: none;
  }
}

@media (max-width: 620px) {
  .workflow-list {
    display: block;
    margin-left: 8px;
    border-top: 0;
    border-left: 1px solid var(--rule-strong);
  }

  .workflow-list li,
  .workflow-list li:nth-child(2),
  .workflow-list li:nth-child(3),
  .workflow-list li:nth-child(4) {
    position: relative;
    min-height: 0;
    padding: 0 0 38px 26px;
    border-top: 0;
    border-left: 0;
  }

  .workflow-list li::before {
    content: "";
    position: absolute;
    top: 8px;
    left: -4.5px;
    width: 8px;
    height: 8px;
    border: 1px solid var(--olive-ink);
    border-radius: 50%;
    background: var(--paper-deep);
  }

  .workflow-list li:last-child {
    padding-bottom: 0;
  }

  .workflow-list__index {
    margin-bottom: 14px;
  }

  .workflow-list__index::after {
    display: none;
  }

  .workflow-list p {
    max-width: 34ch;
    font-size: 15px;
  }

  .capability-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .capability-group {
    padding: 30px 0;
  }

  .capability-list--available li {
    font-size: 18.5px;
  }

  .approach__principles {
    font-size: 1.65rem;
  }
}

@media (max-width: 480px) {
  :root {
    --gutter: 20px;
  }

  .site-header__inner {
    min-height: 68px;
  }

  .brand img {
    height: 40px;
  }

  .menu-toggle {
    width: 44px;
    height: 44px;
  }

  .hero {
    padding-top: 44px;
    padding-bottom: 62px;
  }

  .hero h1 {
    margin-top: 20px;
    font-size: clamp(3.2rem, 14.2vw, 4.2rem);
  }

  .hero__body {
    margin-top: 24px;
    font-size: 16.5px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    margin-top: 30px;
  }

  .hero__actions .button {
    width: 100%;
  }

  .hero__signin {
    justify-content: center;
    border-bottom: 0;
    padding: 8px 0;
  }

  .hero__availability {
    margin-top: 34px;
    font-size: 12px;
  }

  .valuation {
    padding: 22px 18px 18px;
  }

  .valuation::before {
    top: -8px;
    right: -8px;
    width: 38px;
    height: 38px;
  }

  .valuation__amount {
    font-size: clamp(2.9rem, 13vw, 3.4rem);
  }

  .valuation__item {
    margin-top: 22px;
    font-size: 14px;
  }

  .valuation__stamp {
    font-size: 9px;
    padding-inline: 6px;
  }

  .lanes li {
    padding-inline: 7px;
  }

  .lanes__name {
    font-size: 11.5px;
  }

  .valuation figcaption {
    font-size: 10.5px;
  }

  .section {
    padding-block: 64px;
  }

  .section-marker {
    margin-bottom: 22px;
  }

  .product__blocks {
    margin-top: 54px;
    gap: 58px;
  }

  .product-block {
    padding-top: 26px;
  }

  .lane-rows li {
    grid-template-columns: 24px minmax(76px, 0.8fr) minmax(20px, 1.6fr) 8px;
    gap: 12px;
    padding: 17px 0;
  }

  .lane-rows__name {
    font-size: 1.55rem;
  }

  .figure-head {
    margin-bottom: 18px;
  }

  .figure-lanes::before {
    display: none;
  }

  .figure-note {
    max-width: 90px;
    line-height: 1.4;
  }

  .provenance-panel {
    padding: 20px 18px;
  }

  .provenance-list > div {
    grid-template-columns: 0.9fr 1.3fr;
    gap: 14px;
  }

  .provenance-list dd {
    font-size: 13.5px;
  }

  .proposal-sheet {
    padding: 18px;
  }

  .proposal-signature svg {
    width: 132px;
  }

  .handoff-notes {
    grid-template-columns: minmax(0, 1fr);
  }

  .handoff-notes li:last-child {
    grid-column: auto;
  }

  .field label {
    font-size: 10px;
  }

  .field input,
  .field textarea {
    font-size: 16px;
  }

  .form-actions {
    margin-top: 28px;
  }

  .site-footer {
    padding-top: 36px;
  }

  .site-footer__nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .site-footer__nav li {
    width: 100%;
    border-top: 1px solid var(--rule);
  }

  .site-footer__nav a {
    width: 100%;
    min-height: 46px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .button:hover .button__arrow {
    transform: none;
  }
}