:root {
  color-scheme: light;
  --ink: #111312;
  --ink-soft: #2c302c;
  --muted: #63665f;
  --paper: #f4f1e8;
  --surface: #fffdf6;
  --soft: #e5dfd0;
  --line: rgba(17, 19, 18, 0.14);
  --signal: #007a6a;
  --signal-dark: #04584f;
  --ember: #b9682c;
  --night: #101412;
  --night-soft: #1b211d;
  --white: #fffdf6;
  --header-height: 76px;
  --page-pad: clamp(20px, 5.6vw, 88px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif;
  letter-spacing: 0;
}

body::selection {
  background: rgba(0, 122, 106, 0.18);
}

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

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.skip-link {
  background: var(--white);
  color: var(--ink);
  left: 16px;
  padding: 10px 14px;
  position: fixed;
  top: 12px;
  transform: translateY(-140%);
  transition: transform 180ms ease;
  z-index: 100;
}

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

.site-header {
  align-items: center;
  color: var(--white);
  display: flex;
  height: var(--header-height);
  justify-content: space-between;
  left: 0;
  padding: 0 var(--page-pad);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 30;
}

.brand-mark {
  align-items: center;
  border: 1px solid rgba(255, 253, 246, 0.38);
  display: inline-flex;
  font-size: 13px;
  font-weight: 800;
  height: 42px;
  justify-content: center;
  transition: background 180ms ease, border-color 180ms ease;
  width: 42px;
}

.brand-mark:hover,
.brand-mark:focus-visible {
  background: rgba(255, 253, 246, 0.12);
  border-color: rgba(255, 253, 246, 0.78);
}

.main-nav {
  align-items: center;
  display: flex;
  gap: clamp(18px, 3vw, 34px);
  font-size: 14px;
  font-weight: 650;
}

.main-nav a {
  opacity: 0.76;
  outline-offset: 7px;
  transition: color 180ms ease, opacity 180ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: #b5eadc;
  opacity: 1;
}

.hero {
  background:
    radial-gradient(circle at 76% 26%, rgba(0, 122, 106, 0.25), transparent 28%),
    radial-gradient(circle at 82% 84%, rgba(185, 104, 44, 0.18), transparent 24%),
    linear-gradient(125deg, #0b0f0d 0%, #17211c 54%, #0f1412 100%);
  color: var(--white);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.62fr);
  min-height: 100svh;
  overflow: hidden;
  padding: calc(var(--header-height) + 64px) var(--page-pad) 76px;
  position: relative;
}

.hero-canvas,
.hero-shade {
  inset: 0;
  position: absolute;
}

.hero-canvas {
  opacity: 0.58;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(8, 11, 10, 0.78), rgba(8, 11, 10, 0.34) 56%, rgba(8, 11, 10, 0.7)),
    linear-gradient(0deg, rgba(8, 11, 10, 0.72), transparent 38%);
  z-index: 1;
}

.hero-content,
.hero-panel,
.hero-ruler {
  position: relative;
  z-index: 4;
}

.hero-content {
  align-self: center;
  max-width: 880px;
}

.eyebrow,
.section-label {
  color: var(--signal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #93decd;
  margin: 0 0 20px;
}

.hero h1 {
  font-size: clamp(54px, 8vw, 118px);
  letter-spacing: 0;
  line-height: 0.94;
  margin: 0;
  max-width: 980px;
  overflow-wrap: normal;
}

.hero h1 span {
  display: block;
}

.hero-copy {
  color: rgba(255, 253, 246, 0.78);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.65;
  margin: 30px 0 0;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  font-size: 15px;
  font-weight: 760;
  gap: 10px;
  justify-content: center;
  min-height: 50px;
  outline-offset: 5px;
  padding: 0 18px;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button svg {
  height: 18px;
  width: 18px;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--white);
  color: var(--ink);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #dff6ed;
}

.button-secondary {
  border-color: rgba(255, 253, 246, 0.38);
  color: var(--white);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(255, 253, 246, 0.78);
}

.hero-panel {
  align-self: end;
  backdrop-filter: blur(18px);
  background: rgba(255, 253, 246, 0.08);
  border: 1px solid rgba(255, 253, 246, 0.18);
  margin-left: auto;
  max-width: 430px;
  padding: clamp(20px, 3vw, 30px);
  width: 100%;
}

.panel-topline {
  border-bottom: 1px solid rgba(255, 253, 246, 0.18);
  color: rgba(255, 253, 246, 0.58);
  display: flex;
  font-size: 12px;
  font-weight: 750;
  justify-content: space-between;
  letter-spacing: 0.1em;
  padding-bottom: 18px;
  text-transform: uppercase;
}

.signal-stack {
  display: grid;
  gap: 22px;
  padding-top: 24px;
}

.signal-stack div {
  display: grid;
  gap: 7px;
}

.signal-stack strong {
  color: var(--white);
  font-size: clamp(22px, 2.4vw, 34px);
  letter-spacing: 0;
  line-height: 1;
}

.signal-stack span {
  color: rgba(255, 253, 246, 0.58);
  font-size: 14px;
  line-height: 1.45;
}

.hero-ruler {
  align-items: center;
  bottom: 34px;
  display: flex;
  gap: 8px;
  left: var(--page-pad);
  position: absolute;
}

.hero-ruler span {
  background: rgba(255, 253, 246, 0.38);
  display: block;
  height: 1px;
  width: 34px;
}

.hero-ruler span:first-child {
  background: #93decd;
  width: 72px;
}

.proof-section {
  background: var(--ink);
  color: rgba(255, 253, 246, 0.72);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.proof-section p {
  border-right: 1px solid rgba(255, 253, 246, 0.12);
  font-size: clamp(15px, 1.7vw, 20px);
  font-weight: 760;
  line-height: 1.3;
  margin: 0;
  min-height: 90px;
  padding: 28px var(--page-pad);
}

.proof-section p:last-child {
  border-right: 0;
}

.intro-section,
.work-section,
.method-section,
.notes-section,
.contact-section {
  padding-left: var(--page-pad);
  padding-right: var(--page-pad);
}

.intro-section {
  border-bottom: 1px solid var(--line);
  padding-bottom: clamp(74px, 10vw, 148px);
  padding-top: clamp(78px, 11vw, 156px);
}

.intro-grid {
  display: grid;
  gap: clamp(34px, 8vw, 120px);
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.74fr);
  margin-top: 18px;
}

.intro-grid h2,
.section-header h2,
.method-copy h2,
.notes-section h2,
.contact-copy h2 {
  font-size: clamp(36px, 6vw, 80px);
  letter-spacing: 0;
  line-height: 1;
  margin: 0;
}

.intro-grid p,
.section-header p {
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.72;
  margin: 0;
}

.work-section {
  background: var(--surface);
  padding-bottom: clamp(82px, 11vw, 150px);
  padding-top: clamp(78px, 10vw, 136px);
}

.section-header {
  align-items: end;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 450px);
  margin-bottom: 42px;
}

.section-header .section-label {
  margin-bottom: 16px;
}

.track-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.track-card {
  background: #f8f5ec;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 440px;
  padding: clamp(24px, 3.2vw, 34px);
  transition: border-color 180ms ease, transform 180ms ease;
}

.track-card:hover {
  border-color: rgba(0, 122, 106, 0.46);
  transform: translateY(-3px);
}

.track-index {
  color: var(--signal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: auto;
}

.track-card h3 {
  font-size: clamp(28px, 3.6vw, 48px);
  letter-spacing: 0;
  line-height: 1;
  margin: 62px 0 18px;
}

.track-card p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
}

.track-card ul {
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 28px 0 0;
  padding: 22px 0 0;
}

.track-card li {
  align-items: center;
  display: flex;
  font-size: 14px;
  font-weight: 720;
  gap: 10px;
}

.track-card li::before {
  background: var(--signal);
  content: "";
  flex: 0 0 auto;
  height: 6px;
  width: 6px;
}

.method-section {
  background: var(--night);
  color: var(--white);
  display: grid;
  gap: clamp(42px, 8vw, 120px);
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1fr);
  padding-bottom: clamp(82px, 11vw, 150px);
  padding-top: clamp(82px, 11vw, 150px);
}

.method-copy {
  align-self: start;
  position: sticky;
  top: 108px;
}

.method-copy .section-label {
  color: #93decd;
  margin-bottom: 16px;
}

.method-list {
  border-top: 1px solid rgba(255, 253, 246, 0.16);
}

.method-item {
  border-bottom: 1px solid rgba(255, 253, 246, 0.16);
  display: grid;
  gap: 26px;
  grid-template-columns: 58px minmax(0, 1fr);
  padding: clamp(34px, 6vw, 66px) 0;
}

.method-item > span {
  color: #93decd;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding-top: 8px;
}

.method-item h3 {
  font-size: clamp(25px, 3vw, 40px);
  letter-spacing: 0;
  line-height: 1.08;
  margin: 0 0 12px;
}

.method-item p {
  color: rgba(255, 253, 246, 0.66);
  font-size: 17px;
  line-height: 1.7;
  margin: 0;
  max-width: 720px;
}

.notes-section {
  background:
    linear-gradient(90deg, rgba(0, 122, 106, 0.11), transparent 38%),
    var(--paper);
  border-bottom: 1px solid var(--line);
  padding-bottom: clamp(78px, 11vw, 144px);
  padding-top: clamp(78px, 11vw, 144px);
}

.notes-section .section-label {
  margin-bottom: 16px;
}

.notes-section h2 {
  max-width: 1060px;
}

.principles {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(44px, 7vw, 90px);
}

.principles p {
  border-right: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 780;
  line-height: 1.2;
  margin: 0;
  min-height: 150px;
  padding: 26px clamp(18px, 3vw, 34px) 0 0;
}

.principles p:last-child {
  border-right: 0;
}

.contact-section {
  align-items: end;
  background: var(--surface);
  display: grid;
  gap: clamp(36px, 7vw, 96px);
  grid-template-columns: minmax(0, 0.96fr) minmax(320px, 0.74fr);
  padding-bottom: clamp(72px, 10vw, 132px);
  padding-top: clamp(72px, 10vw, 132px);
}

.contact-copy .section-label {
  margin-bottom: 16px;
}

.contact-links {
  border-top: 1px solid var(--line);
}

.contact-link {
  align-items: center;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  display: flex;
  font-size: clamp(18px, 2.2vw, 28px);
  font-weight: 800;
  gap: 20px;
  justify-content: space-between;
  line-height: 1.28;
  min-height: 86px;
  overflow-wrap: anywhere;
  outline-offset: 5px;
  padding: 18px 0;
  transition: color 180ms ease, padding-left 180ms ease;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--signal-dark);
  padding-left: 10px;
}

.contact-link span {
  color: var(--muted);
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .hero,
  .section-header,
  .intro-grid,
  .method-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    margin: 58px 0 0;
    max-width: 620px;
  }

  .track-grid,
  .principles {
    grid-template-columns: 1fr;
  }

  .track-card {
    min-height: auto;
  }

  .track-card h3 {
    margin-top: 52px;
  }

  .method-copy {
    position: static;
  }

  .principles p {
    border-bottom: 1px solid var(--line);
    border-right: 0;
    min-height: 112px;
  }

  .principles p:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 66px;
    --page-pad: 20px;
  }

  .site-header {
    padding: 0 var(--page-pad);
  }

  .brand-mark {
    height: 40px;
    width: 40px;
  }

  .main-nav {
    display: none;
  }

  .hero {
    min-height: 100svh;
    padding-bottom: 70px;
    padding-top: calc(var(--header-height) + 42px);
  }

  .hero h1 {
    font-size: clamp(42px, 12vw, 56px);
    line-height: 0.98;
    overflow-wrap: normal;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-actions {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .hero-panel {
    margin-top: 42px;
  }

  .proof-section {
    grid-template-columns: 1fr;
  }

  .proof-section p {
    border-bottom: 1px solid rgba(255, 253, 246, 0.12);
    border-right: 0;
    min-height: auto;
    padding: 20px var(--page-pad);
  }

  .proof-section p:last-child {
    border-bottom: 0;
  }

  .method-item {
    grid-template-columns: 1fr;
  }

  .contact-link {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}