@font-face {
  font-family: "Inter";
  src: url("assets/fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  --font-main: "Inter", Arial, sans-serif;
  --bg: #fbfaf6;
  --bg-quiet: #f3f2ed;
  --surface: #ffffff;
  --surface-soft: #f6f5f0;
  --surface-technical: #ebe9e2;
  --text: #151713;
  --muted: #656861;
  --quiet: #8f938a;
  --line: #d8d6cc;
  --line-strong: #b9b7ad;
  --accent: #0f6b5f;
  --accent-dark: #0a463e;
  --accent-soft: #dcebe7;
  --shadow: 0 26px 70px rgba(21, 23, 19, 0.1);
  --radius: 8px;
  --section-pad: clamp(72px, 9vw, 132px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, rgba(15, 107, 95, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(15, 107, 95, 0.03) 1px, transparent 1px),
    var(--bg);
  background-size: 42px 42px, 42px 42px, auto;
  color: var(--text);
  font-family: var(--font-main);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  font-synthesis: none;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 255, 255, 0.95), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.56), transparent 34%, rgba(15, 107, 95, 0.04));
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

address {
  font-style: normal;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 20px;
  height: 20px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.topbar__inner,
.section-frame,
.footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.topbar__inner {
  min-height: 76px;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(48px, 1fr);
  align-items: center;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--accent);
  background: var(--surface);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
}

.brand strong {
  font-size: 0.96rem;
  font-weight: 700;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
}

.nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 80%, transparent);
}

.nav a {
  padding: 8px 13px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.nav a:hover {
  color: var(--text);
  background: var(--surface-soft);
}

.icon-action {
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  justify-self: end;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent);
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(21, 23, 19, 0.08);
  transition: transform 160ms ease, border-color 160ms ease, color 160ms ease;
}

.icon-action:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  color: var(--accent-dark);
}

.brand:focus-visible,
.nav a:focus-visible,
.icon-action:focus-visible,
.button:focus-visible,
.contact-link:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent);
  outline-offset: 4px;
}

main {
  overflow: hidden;
}

.section-frame {
  position: relative;
  padding: var(--section-pad) 0;
  border-bottom: 1px solid var(--line);
}

.section-frame__label {
  margin-bottom: 26px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-head {
  width: 100%;
  display: grid;
  gap: 18px;
  align-content: start;
}

.section-head h2,
.final-cta h2 {
  width: 100%;
  max-width: 780px;
  color: var(--text);
  font-size: clamp(2rem, 3.7vw, 4.1rem);
  font-weight: 700;
  line-height: 1.02;
  text-wrap: balance;
}

.section-head p:not(.eyebrow),
.stack__header > p,
.final-cta__copy > p {
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
}

.section-head--center {
  max-width: 850px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-head--center h2 {
  margin: 0 auto;
}

.section-head--offset {
  width: min(760px, 100%);
  margin-left: auto;
  margin-bottom: 44px;
}

.hero {
  min-height: calc(100vh - 76px);
  min-height: calc(100svh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  padding-top: clamp(70px, 10vw, 128px);
  text-align: center;
}

.hero__surface {
  position: absolute;
  inset: 36px max(-80px, -7vw) auto;
  height: min(58vw, 560px);
  pointer-events: none;
  opacity: 0.9;
}

.release-map {
  width: min(980px, 100%);
  height: 100%;
  margin: 0 auto;
  display: block;
  overflow: visible;
}

.release-map__grid,
.release-map__thin {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.release-map__thin {
  stroke: var(--line-strong);
  stroke-dasharray: 6 10;
}

.release-map__trace {
  fill: none;
  stroke: url(#trace);
  stroke-width: 11;
  stroke-linecap: round;
}

.release-map__node circle {
  fill: color-mix(in srgb, var(--surface) 92%, transparent);
  stroke: color-mix(in srgb, var(--accent) 44%, var(--line));
  stroke-width: 1.4;
}

.release-map__node path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.release-map__node--large circle {
  fill: color-mix(in srgb, var(--accent-soft) 48%, var(--surface));
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 920px;
  display: grid;
  justify-items: center;
  gap: 24px;
}

.hero h1 {
  width: min(100%, 14ch);
  max-width: 14ch;
  font-size: clamp(3rem, 7vw, 6.8rem);
  font-weight: 800;
  line-height: 0.96;
  text-wrap: balance;
}

.hero__lead {
  width: 100%;
  max-width: 780px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.6vw, 1.35rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 6px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  color: #ffffff;
  background: var(--accent);
  box-shadow: 0 18px 38px rgba(15, 107, 95, 0.18);
}

.button--primary:hover {
  background: var(--accent-dark);
}

.button--secondary {
  color: var(--text);
  border-color: var(--line-strong);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
}

.button--secondary:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.hero__readout {
  position: absolute;
  right: 0;
  bottom: 34px;
  width: min(360px, 38vw);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: left;
  background: var(--line);
  box-shadow: var(--shadow);
}

.hero__readout div {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: color-mix(in srgb, var(--surface) 91%, transparent);
}

.hero__readout span,
.snapshot__rail span,
.evidence span,
.case-card__meta,
.system__steps span {
  color: var(--quiet);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__readout strong {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
}

.snapshot__rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background:
    linear-gradient(90deg, transparent 0 19px, rgba(15, 107, 95, 0.08) 20px, transparent 21px),
    color-mix(in srgb, var(--surface) 72%, transparent);
  background-size: 40px 100%;
}

.snapshot__rail article {
  min-height: 174px;
  display: grid;
  align-content: space-between;
  gap: 26px;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.snapshot__rail article:last-child {
  border-right: 0;
}

.snapshot__rail strong {
  font-size: clamp(1.02rem, 1.35vw, 1.22rem);
  font-weight: 700;
  line-height: 1.15;
}

.system {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: center;
}

.system .section-frame__label {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.system__diagram {
  position: relative;
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(21, 23, 19, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(21, 23, 19, 0.05) 1px, transparent 1px),
    var(--surface-soft);
  background-size: 34px 34px;
}

.system__diagram::before,
.system__diagram::after {
  position: absolute;
  inset: 18%;
  content: "";
  border: 1px solid color-mix(in srgb, var(--accent) 26%, var(--line));
  border-radius: 50%;
}

.system__diagram::after {
  inset: 31%;
  border-style: dashed;
}

.system-core,
.system-node {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: 0 20px 45px rgba(21, 23, 19, 0.08);
}

.system-core {
  top: 50%;
  left: 50%;
  width: 178px;
  height: 178px;
  gap: 10px;
  color: var(--accent);
  transform: translate(-50%, -50%);
}

.system-core span {
  max-width: 110px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
}

.system-node {
  width: 124px;
  height: 124px;
  gap: 6px;
}

.system-node span {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.system-node strong {
  font-size: 0.96rem;
}

.system-node--risk {
  top: 7%;
  left: 12%;
}

.system-node--coverage {
  top: 11%;
  right: 10%;
}

.system-node--gate {
  right: 14%;
  bottom: 8%;
}

.system-node--signal {
  left: 10%;
  bottom: 12%;
}

.system__steps {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.system__steps article {
  min-height: 178px;
  display: grid;
  align-content: space-between;
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 84%, transparent);
}

.system__steps p {
  color: var(--muted);
}

.impact {
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 70px);
  align-items: start;
}

.impact .section-frame__label {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.impact__intro {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 18px;
}

.impact__intro h2 {
  font-size: clamp(2rem, 3.45vw, 3.8rem);
  font-weight: 700;
  line-height: 1.02;
}

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

.evidence {
  min-height: 204px;
  display: grid;
  align-content: space-between;
  gap: 28px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.evidence--wide {
  grid-column: span 3;
  min-height: 178px;
  background:
    linear-gradient(112deg, rgba(15, 107, 95, 0.13), transparent 52%),
    var(--surface);
}

.evidence strong {
  font-size: clamp(1.08rem, 1.5vw, 1.35rem);
  font-weight: 700;
  line-height: 1.18;
}

.evidence--number strong {
  color: var(--accent);
  font-size: clamp(3rem, 6vw, 5.7rem);
  font-weight: 800;
  line-height: 0.85;
}

.evidence small {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.35;
}

.case-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 14px;
  align-items: stretch;
}

.case-card {
  display: grid;
  align-content: start;
  gap: 22px;
  min-height: 360px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.case-card--primary {
  grid-row: span 2;
  background:
    linear-gradient(180deg, rgba(15, 107, 95, 0.1), transparent 42%),
    var(--surface);
}

.case-card h3 {
  max-width: 620px;
  font-size: clamp(1.65rem, 2.65vw, 3rem);
  font-weight: 700;
  line-height: 1.03;
}

.case-card:not(.case-card--primary) h3 {
  font-size: clamp(1.35rem, 2vw, 2rem);
}

.case-card dl {
  display: grid;
  gap: 16px;
}

.case-card dl div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.case-card dt {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-card dd {
  color: var(--muted);
}

.stack__header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.45fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: end;
  margin-bottom: 44px;
}

.stack-matrix {
  display: grid;
  grid-template-columns: repeat(6, minmax(190px, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
  background: var(--surface);
  scrollbar-width: thin;
}

.stack-matrix article {
  min-height: 310px;
  min-width: 190px;
  display: grid;
  align-content: space-between;
  gap: 24px;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.stack-matrix article:last-child {
  border-right: 0;
}

.stack-matrix .icon {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.stack-matrix h3 {
  font-size: 1.18rem;
}

.stack-matrix p {
  color: var(--muted);
}

.final-cta {
  min-height: 640px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.62fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
  border-bottom: 0;
}

.final-cta .section-frame__label {
  grid-column: 1 / -1;
  align-self: end;
  margin-bottom: -20px;
}

.final-cta__copy {
  display: grid;
  gap: 24px;
}

.final-cta__copy .hero__actions {
  justify-content: flex-start;
}

.contact-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.contact-link {
  min-height: 132px;
  display: grid;
  align-content: space-between;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.contact-link:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--surface) 70%, var(--accent-soft));
}

.contact-link span {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--accent);
}

.contact-link strong,
.contact-link small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-link strong {
  display: block;
  font-size: 1.02rem;
}

.contact-link small {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  white-space: nowrap;
}

.contact-link--wide {
  grid-column: span 2;
}

.footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  padding: 30px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.footer span:nth-child(2) {
  text-align: center;
}

.footer span:last-child {
  text-align: right;
}

@media (max-width: 1040px) {
  .topbar__inner {
    grid-template-columns: minmax(190px, 1fr) minmax(0, auto) 48px;
  }

  .nav {
    gap: 0;
  }

  .system,
  .impact,
  .final-cta,
  .stack__header {
    grid-template-columns: 1fr;
  }

  .system__steps {
    grid-column: auto;
  }

  .impact__intro {
    position: static;
  }

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

  .case-card--primary {
    grid-row: auto;
  }

  .hero__readout {
    position: relative;
    right: auto;
    bottom: auto;
    width: min(100%, 680px);
    margin-top: 36px;
  }
}

@media (max-width: 760px) {
  :root {
    --section-pad: 58px;
  }

  .topbar__inner,
  .section-frame,
  .footer {
    width: min(100% - 40px, 1180px);
  }

  .topbar__inner {
    min-height: 66px;
    grid-template-columns: minmax(0, 1fr) 44px;
  }

  .brand small,
  .nav {
    display: none;
  }

  .brand__mark {
    width: 38px;
    height: 38px;
  }

  .icon-action {
    width: 40px;
    height: 40px;
  }

  .section-frame__label {
    margin-bottom: 20px;
    font-size: 0.66rem;
  }

  .hero {
    min-height: auto;
    padding-top: 74px;
    text-align: left;
    place-items: start;
  }

  .hero__content {
    justify-items: start;
  }

  .hero__surface {
    inset: 18px -180px auto -180px;
    height: 360px;
    opacity: 0.62;
  }

  .hero h1 {
    width: 100%;
    font-size: clamp(2.45rem, 10.8vw, 3.1rem);
    line-height: 1;
  }

  .section-head h2,
  .final-cta h2 {
    max-width: 11.5ch;
    font-size: clamp(1.72rem, 7.2vw, 2.4rem);
    line-height: 1.04;
  }

  .hero__actions,
  .final-cta__copy .hero__actions {
    width: 100%;
    justify-content: stretch;
  }

  .button {
    width: 100%;
  }

  .snapshot__rail,
  .system__steps,
  .impact__evidence,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .snapshot__rail article {
    min-height: 128px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .snapshot__rail article:last-child {
    border-bottom: 0;
  }

  .system__diagram {
    min-height: 420px;
  }

  .system-node {
    width: 104px;
    height: 104px;
  }

  .system-core {
    width: 148px;
    height: 148px;
  }

  .evidence,
  .evidence--wide {
    grid-column: auto;
    min-height: 168px;
  }

  .section-head--offset {
    margin-left: 0;
  }

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

  .case-card dl div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .stack-matrix {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .stack-matrix article {
    min-height: 220px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stack-matrix article:last-child {
    border-bottom: 0;
  }

  .final-cta {
    min-height: auto;
  }

  .final-cta .section-frame__label {
    margin-bottom: 0;
  }

  .contact-link--wide {
    grid-column: auto;
  }

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

  .footer span,
  .footer span:nth-child(2),
  .footer span:last-child {
    text-align: left;
  }
}

@media (max-width: 430px) {
  .system__diagram {
    min-height: 380px;
  }

  .system-node {
    width: 92px;
    height: 92px;
    font-size: 0.88rem;
  }

  .system-core {
    width: 132px;
    height: 132px;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}

@media print {
  :root {
    --bg: #ffffff;
    --bg-quiet: #ffffff;
    --surface: #ffffff;
    --surface-soft: #ffffff;
    --shadow: none;
    --section-pad: 28px;
  }

  @page {
    margin: 14mm;
  }

  body {
    background: #ffffff;
  }

  body::before,
  .topbar,
  .hero__surface {
    display: none;
  }

  .section-frame,
  .footer {
    width: 100%;
  }

  .hero,
  .system,
  .impact,
  .case-grid,
  .stack__header,
  .final-cta {
    min-height: auto;
    display: block;
  }

  .section-frame {
    break-inside: avoid;
  }

  .hero__content,
  .section-head,
  .final-cta__copy {
    justify-items: start;
    text-align: left;
  }

  .hero h1,
  .section-head h2,
  .final-cta h2 {
    font-size: 2.4rem;
  }

  .snapshot__rail,
  .system__steps,
  .impact__evidence,
  .stack-matrix,
  .contact-panel {
    display: block;
  }

  .system__diagram,
  .hero__readout {
    display: none;
  }

  .evidence,
  .case-card,
  .stack-matrix article,
  .contact-link {
    min-height: auto;
    break-inside: avoid;
    box-shadow: none;
  }

  .footer {
    display: none;
  }
}