/* Curela website — static, dependency-free build */
:root {
  --ink: #07130f;
  --ink-2: #0d201a;
  --ink-3: #17352b;
  --paper: #f4f6f1;
  --paper-2: #e9eee7;
  --paper-3: #dce5dd;
  --mint: #a1f2d3;
  --mint-bright: #56e0b0;
  --mint-dark: #178a68;
  --teal: #3ac7af;
  --line: rgba(7, 19, 15, .14);
  --line-light: rgba(244, 246, 241, .16);
  --muted: #53645e;
  --white: #fff;
  --shadow: 0 30px 90px rgba(2, 13, 9, .14);
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 38px;
  --container: 1240px;
  --header-height: 82px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.dialog-open { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
img, svg { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--mint);
  border-radius: 8px;
  transform: translateY(-140%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

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

.section { padding: 132px 0; }

.site-shell { overflow: clip; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  height: var(--header-height);
  z-index: 100;
  color: var(--paper);
  transition: background .3s ease, color .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(244, 246, 241, .88);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 22px;
  font-weight: 730;
  letter-spacing: -.035em;
}
.brand-mark {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}
.brand-mark-line { stroke-width: 1.6; }
.brand-mark-node { fill: currentColor; stroke: none; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 13px;
  font-weight: 620;
  letter-spacing: .02em;
}
.primary-nav > a {
  position: relative;
  opacity: .78;
  transition: opacity .2s ease;
}
.primary-nav > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 1px;
  background: currentColor;
  transition: right .25s ease;
}
.primary-nav > a:hover,
.primary-nav > a:focus-visible { opacity: 1; }
.primary-nav > a:hover::after,
.primary-nav > a:focus-visible::after { right: 0; }

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  place-items: center;
}
.menu-button span {
  position: absolute;
  width: 23px;
  height: 1.5px;
  background: currentColor;
  transition: transform .25s ease;
}
.menu-button span:first-child { transform: translateY(-4px); }
.menu-button span:last-child { transform: translateY(4px); }
.menu-button[aria-expanded="true"] span:first-child { transform: rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: rotate(-45deg); }

.button {
  border: 0;
  border-radius: 999px;
  min-height: 52px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  font-weight: 720;
  letter-spacing: .012em;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(86, 224, 176, .55);
  outline-offset: 3px;
}
.button-small { min-height: 42px; padding: 0 18px; font-size: 12px; }
.button-primary { color: var(--ink); background: var(--mint-bright); }
.button-primary:hover { background: var(--mint); }
.button-dark { color: var(--paper); background: var(--ink); }
.site-header:not(.is-scrolled) .button-dark { color: var(--ink); background: var(--paper); }
.button-ghost {
  color: var(--paper);
  background: transparent;
  border: 1px solid rgba(255,255,255,.28);
}
.button-ghost:hover { border-color: rgba(255,255,255,.7); }
.button-light { color: var(--ink); background: var(--paper); }

.hero {
  position: relative;
  min-height: 940px;
  padding: 172px 0 70px;
  color: var(--paper);
  background:
    radial-gradient(circle at 77% 35%, rgba(31, 164, 126, .18), transparent 29%),
    radial-gradient(circle at 10% 20%, rgba(77, 209, 177, .1), transparent 23%),
    linear-gradient(145deg, #06110e 0%, #0b1f19 55%, #071611 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .3;
  background-image:
    linear-gradient(rgba(151, 236, 205, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(151, 236, 205, .035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, #000, transparent 85%);
}
.hero-orbit {
  position: absolute;
  border: 1px solid rgba(153, 240, 207, .12);
  border-radius: 50%;
  pointer-events: none;
}
.orbit-one { width: 730px; height: 730px; right: -225px; top: 90px; }
.orbit-two { width: 1080px; height: 1080px; right: -405px; top: -78px; opacity: .55; }

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: .91fr 1.09fr;
  align-items: center;
  gap: 60px;
}

.eyebrow,
.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 11px;
  font-weight: 760;
}
.eyebrow { color: var(--mint); margin-bottom: 24px; }
.eyebrow span { width: 28px; height: 1px; background: currentColor; }
.eyebrow-light { color: var(--mint); }

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(56px, 6.7vw, 100px);
  line-height: .96;
  letter-spacing: -.066em;
  font-weight: 610;
}
.hero h1 em {
  color: var(--mint);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.055em;
}
.hero-lede {
  max-width: 690px;
  margin: 32px 0 0;
  color: rgba(244, 246, 241, .72);
  font-size: 18px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}
.hero-qualities {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 40px;
  color: rgba(244, 246, 241, .55);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-qualities span {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-qualities span::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint-bright);
}

.hero-system {
  position: relative;
  min-width: 0;
  border: 1px solid rgba(162, 242, 211, .14);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.015));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.07), 0 42px 100px rgba(0,0,0,.19);
  backdrop-filter: blur(3px);
  overflow: hidden;
}
.system-caption,
.system-legend {
  min-height: 62px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(244, 246, 241, .52);
  font-size: 10px;
  font-weight: 680;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.system-caption { border-bottom: 1px solid rgba(255,255,255,.09); }
.system-legend {
  justify-content: flex-start;
  gap: 24px;
  border-top: 1px solid rgba(255,255,255,.09);
}
.system-legend span { display: flex; align-items: center; gap: 7px; }
.system-legend i { width: 6px; height: 6px; border: 1px solid var(--mint); border-radius: 50%; }
.system-legend span:first-child i { background: var(--mint); }

.live-dot { display: flex; align-items: center; gap: 7px; }
.live-dot::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint-bright);
  box-shadow: 0 0 0 5px rgba(86,224,176,.11);
}
.system-map { padding: 6px 26px 0; }
.system-map svg { width: 100%; min-height: 500px; }
.map-grid path {
  fill: none;
  stroke: #94dfc7;
  stroke-width: .55;
  stroke-dasharray: 2 8;
}
.map-lines path {
  fill: none;
  stroke: url(#lineGradient);
  stroke-width: 1.3;
}
.map-pulses circle { fill: #a1f2d3; filter: drop-shadow(0 0 5px #a1f2d3); }
.map-node rect {
  fill: rgba(7, 25, 20, .82);
  stroke: rgba(161, 242, 211, .24);
  stroke-width: 1.15;
}
.map-node path,
.map-node circle {
  fill: none;
  stroke: rgba(244,246,241,.76);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.map-node text {
  fill: rgba(244,246,241,.58);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.core-node > circle:first-child {
  fill: rgba(50, 198, 153, .13);
  stroke: rgba(161, 242, 211, .46);
  stroke-width: 1.1;
}
.core-ring {
  fill: rgba(7,20,16,.96);
  stroke: rgba(161,242,211,.26);
  stroke-dasharray: 5 6;
  animation: ring-spin 28s linear infinite;
  transform-origin: 80px 80px;
}
.core-node path {
  fill: none;
  stroke: var(--mint);
  stroke-width: 1.5;
}
.core-node .core-cross { stroke-width: 1.7; }
.core-node text {
  fill: var(--paper);
  font-size: 10px;
  font-weight: 720;
  letter-spacing: .08em;
  text-transform: uppercase;
}
@keyframes ring-spin { to { transform: rotate(360deg); } }

.hero-footnote {
  position: relative;
  z-index: 2;
  margin-top: 65px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.12);
  display: grid;
  grid-template-columns: 55px 1fr;
  align-items: start;
}
.hero-footnote span {
  color: var(--mint);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .1em;
}
.hero-footnote p {
  max-width: 780px;
  margin: 0;
  color: rgba(244,246,241,.7);
  font-size: clamp(18px, 2vw, 27px);
  line-height: 1.4;
  letter-spacing: -.02em;
}

.statement { background: var(--paper); }
.statement-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 40px;
}
.section-kicker { color: var(--mint-dark); padding-top: 10px; }
.statement-copy h2,
.section-heading h2,
.company-copy h2,
.cta-copy h2 {
  margin: 0;
  font-size: clamp(40px, 5.1vw, 72px);
  line-height: 1.06;
  letter-spacing: -.054em;
  font-weight: 580;
}
.statement-copy p {
  max-width: 800px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.72;
}

.rail-flow {
  margin-top: 92px;
  padding: 34px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 17px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.42);
}
.rail-step {
  min-height: 230px;
  padding: 16px 8px 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.rail-number {
  color: var(--mint-dark);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .12em;
}
.rail-step h3 {
  margin: 0 0 12px;
  font-size: 18px;
  letter-spacing: -.025em;
}
.rail-step p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.rail-arrow { align-self: center; color: #93a09a; font-size: 19px; }

.architecture {
  color: var(--paper);
  background: var(--ink);
}
.section-heading {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 60px;
  align-items: end;
}
.section-heading p {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 16px;
}
.architecture .section-heading p,
.use-cases .section-heading p { color: rgba(244,246,241,.55); }
.architecture .section-kicker,
.use-cases .section-kicker { color: var(--mint); margin-bottom: 22px; }

.architecture-explorer {
  margin-top: 72px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255,255,255,.025);
}
.architecture-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-bottom: 1px solid var(--line-light);
}
.architecture-tab {
  min-width: 0;
  min-height: 116px;
  padding: 22px 20px;
  display: grid;
  grid-template-columns: 32px 1fr;
  align-content: center;
  text-align: left;
  color: rgba(244,246,241,.52);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line-light);
  cursor: pointer;
  transition: color .2s ease, background .2s ease;
}
.architecture-tab:last-child { border-right: 0; }
.architecture-tab span {
  grid-row: 1 / span 2;
  color: var(--mint);
  font-size: 10px;
  font-weight: 720;
  letter-spacing: .1em;
}
.architecture-tab strong {
  font-size: 15px;
  color: inherit;
  transition: color .2s ease;
}
.architecture-tab small { font-size: 10px; opacity: .62; }
.architecture-tab:hover { color: var(--paper); background: rgba(255,255,255,.035); }
.architecture-tab.is-active {
  color: var(--paper);
  background: rgba(86,224,176,.085);
  box-shadow: inset 0 -2px 0 var(--mint-bright);
}

.architecture-stage {
  min-height: 610px;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
}
.architecture-visual {
  position: relative;
  min-height: 610px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-right: 1px solid var(--line-light);
  background:
    radial-gradient(circle at center, rgba(44,170,129,.13), transparent 39%),
    linear-gradient(rgba(161,242,211,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(161,242,211,.025) 1px, transparent 1px);
  background-size: auto, 55px 55px, 55px 55px;
}
.architecture-visual svg {
  position: absolute;
  width: min(82%, 500px);
  opacity: .2;
  animation: visual-spin 60s linear infinite;
}
.architecture-visual svg circle,
.architecture-visual svg path {
  fill: none;
  stroke: var(--mint);
  stroke-width: .7;
  stroke-dasharray: 4 8;
}
@keyframes visual-spin { to { transform: rotate(360deg); } }

.stack-orbit {
  position: absolute;
  width: 380px;
  height: 380px;
  border: 1px solid rgba(161,242,211,.1);
  border-radius: 50%;
}
.stack-core {
  position: relative;
  z-index: 2;
  width: 210px;
  height: 210px;
  padding: 30px;
  border: 1px solid rgba(161,242,211,.4);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 38% 30%, rgba(86,224,176,.17), rgba(5,18,14,.96) 66%);
  box-shadow: 0 0 80px rgba(42,199,156,.13), inset 0 0 30px rgba(86,224,176,.08);
}
.stack-label {
  color: var(--mint);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .18em;
}
.stack-core strong { margin: 8px 0 2px; font-size: 25px; letter-spacing: -.04em; }
.stack-core small { color: rgba(244,246,241,.5); font-size: 11px; }

.stack-node {
  position: absolute;
  z-index: 3;
  min-width: 86px;
  padding: 10px 14px;
  border: 1px solid rgba(161,242,211,.2);
  border-radius: 999px;
  color: rgba(244,246,241,.68);
  background: rgba(7,19,15,.88);
  font-size: 10px;
  text-align: center;
  letter-spacing: .07em;
  text-transform: uppercase;
  box-shadow: 0 10px 30px rgba(0,0,0,.16);
  transition: transform .35s ease, opacity .35s ease;
}
.stack-node-a { transform: translate(-172px, -116px); }
.stack-node-b { transform: translate(185px, -28px); }
.stack-node-c { transform: translate(-148px, 140px); }

.architecture-panels { display: grid; }
.architecture-panel {
  grid-area: 1 / 1;
  align-self: stretch;
  padding: 74px 62px;
}
.architecture-panel[hidden] { display: none; }
.panel-label {
  color: var(--mint);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.architecture-panel h3 {
  max-width: 500px;
  margin: 22px 0;
  font-size: clamp(33px, 3vw, 47px);
  line-height: 1.08;
  letter-spacing: -.045em;
  font-weight: 570;
}
.architecture-panel p {
  max-width: 550px;
  margin: 0;
  color: rgba(244,246,241,.6);
  font-size: 16px;
  line-height: 1.75;
}
.architecture-panel ul {
  list-style: none;
  padding: 0;
  margin: 38px 0 0;
  border-top: 1px solid var(--line-light);
}
.architecture-panel li {
  position: relative;
  padding: 15px 0 15px 23px;
  border-bottom: 1px solid var(--line-light);
  color: rgba(244,246,241,.78);
  font-size: 13px;
}
.architecture-panel li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 23px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint-bright);
}

.principles { background: var(--paper-2); }
.principles .section-kicker,
.audiences .section-kicker,
.deployment .section-kicker,
.company .section-kicker { margin-bottom: 22px; }
.principle-grid {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.principle-card {
  min-height: 300px;
  padding: 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.principle-index {
  color: var(--mint-dark);
  font-size: 10px;
  font-weight: 780;
  letter-spacing: .12em;
}
.principle-card h3 {
  margin: auto 0 14px;
  font-size: 24px;
  letter-spacing: -.035em;
}
.principle-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.use-cases {
  color: var(--paper);
  background: #0c1d18;
}
.use-case-switcher {
  margin-top: 72px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.use-case-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line-light);
}
.use-case-button {
  min-height: 70px;
  padding: 0 20px;
  border: 0;
  border-right: 1px solid var(--line-light);
  color: rgba(244,246,241,.48);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 680;
  transition: color .2s ease, background .2s ease;
}
.use-case-button:last-child { border-right: 0; }
.use-case-button:hover { color: var(--paper); }
.use-case-button.is-active {
  color: var(--paper);
  background: rgba(86,224,176,.08);
  box-shadow: inset 0 -2px 0 var(--mint-bright);
}
.use-case-stage { display: grid; }
.use-case-panel {
  grid-area: 1 / 1;
  min-height: 540px;
  display: grid;
  grid-template-columns: .88fr 1.12fr;
}
.use-case-panel[hidden] { display: none; }
.case-copy {
  padding: 72px 58px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.case-copy h3 {
  margin: 24px 0 20px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.06;
  letter-spacing: -.05em;
  font-weight: 560;
}
.case-copy p { margin: 0; color: rgba(244,246,241,.58); font-size: 16px; line-height: 1.75; }
.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 42px;
}
.case-tags span {
  padding: 8px 12px;
  border: 1px solid rgba(161,242,211,.16);
  border-radius: 999px;
  color: rgba(244,246,241,.58);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.case-diagram {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
  border-left: 1px solid var(--line-light);
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(53,202,157,.12), transparent 42%),
    linear-gradient(rgba(161,242,211,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(161,242,211,.025) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
}
.case-device {
  position: relative;
  width: 185px;
  height: 350px;
  padding: 13px;
  border: 1px solid rgba(161,242,211,.34);
  border-radius: 34px;
  background: #07130f;
  transform: rotate(-6deg);
  box-shadow: 36px 45px 70px rgba(0,0,0,.25), inset 0 0 0 5px rgba(255,255,255,.02);
}
.device-top {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 62px;
  height: 16px;
  border-radius: 12px;
  background: #020805;
  transform: translateX(-50%);
}
.device-screen {
  height: 100%;
  padding: 45px 18px 18px;
  border-radius: 24px;
  background: linear-gradient(160deg, #16362c, #0b211a);
}
.mini-label { color: var(--mint); font-size: 8px; text-transform: uppercase; letter-spacing: .15em; }
.mini-avatar {
  width: 66px;
  height: 66px;
  margin: 22px auto 18px;
  border: 1px solid rgba(161,242,211,.34);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, rgba(161,242,211,.5) 0 9%, transparent 10%),
              radial-gradient(circle at 50% 62%, rgba(161,242,211,.24) 0 22%, transparent 23%);
}
.mini-lines i {
  display: block;
  height: 5px;
  margin-top: 8px;
  border-radius: 5px;
  background: rgba(244,246,241,.13);
}
.mini-lines i:nth-child(2) { width: 73%; }
.mini-lines i:nth-child(3) { width: 45%; }
.mini-qr {
  width: 82px;
  height: 82px;
  margin: 28px auto 0;
  background:
    linear-gradient(90deg, var(--paper) 10px, transparent 10px) 0 0/21px 21px,
    linear-gradient(var(--paper) 10px, transparent 10px) 0 0/21px 21px;
  opacity: .75;
}
.case-route {
  position: absolute;
  left: 7%;
  right: 7%;
  bottom: 37px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(244,246,241,.42);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.case-route i { flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--mint), transparent); }

.world-diagram svg,
.signal-diagram svg {
  position: absolute;
  width: 82%;
}
.world-diagram svg path,
.signal-diagram svg path {
  fill: none;
  stroke: var(--mint);
  stroke-width: 1.5;
  stroke-dasharray: 5 7;
}
.world-grid {
  position: absolute;
  width: 390px;
  height: 390px;
  border: 1px solid rgba(161,242,211,.17);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(161,242,211,.15) 50%, transparent 50.2%),
    linear-gradient(transparent 49.8%, rgba(161,242,211,.15) 50%, transparent 50.2%);
}
.world-grid::before,
.world-grid::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(161,242,211,.13);
  border-radius: 50%;
}
.world-grid::before { inset: 0 95px; }
.world-grid::after { inset: 95px 0; }
.world-node {
  position: absolute;
  z-index: 2;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ink);
  background: var(--mint);
  font-size: 11px;
  font-weight: 800;
  box-shadow: 0 0 0 9px rgba(161,242,211,.08);
}
.world-node-one { left: 14%; bottom: 20%; }
.world-node-two { right: 13%; top: 36%; }
.world-node-three { left: 48%; top: 14%; }

.emergency-pulse {
  width: 270px;
  height: 270px;
  border: 1px solid rgba(161,242,211,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 50px rgba(161,242,211,.035), 0 0 0 100px rgba(161,242,211,.02);
  animation: emergency-pulse 2.5s ease-in-out infinite;
}
@keyframes emergency-pulse {
  50% { transform: scale(1.05); box-shadow: 0 0 0 62px rgba(161,242,211,.025), 0 0 0 116px rgba(161,242,211,.012); }
}
.emergency-card {
  position: absolute;
  width: 300px;
  padding: 26px;
  border: 1px solid rgba(161,242,211,.3);
  border-radius: 24px;
  background: rgba(7,19,15,.92);
  box-shadow: var(--shadow);
}
.emergency-card span { color: var(--mint); font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }
.emergency-card strong { display: block; margin: 8px 0 21px; font-size: 22px; }
.emergency-card i {
  display: block;
  height: 7px;
  margin-top: 10px;
  border-radius: 8px;
  background: rgba(244,246,241,.12);
}
.emergency-card i:nth-of-type(2) { width: 78%; }
.emergency-card i:nth-of-type(3) { width: 55%; }

.signal-watch {
  position: absolute;
  right: 13%;
  top: 17%;
  width: 120px;
  height: 150px;
  border: 18px solid rgba(161,242,211,.12);
  border-top-width: 32px;
  border-bottom-width: 32px;
  border-radius: 42px;
  transform: rotate(12deg);
}
.signal-watch span {
  display: block;
  width: 58px;
  height: 58px;
  margin: 12px auto;
  border: 1px solid var(--mint);
  border-radius: 16px;
  background: radial-gradient(circle, var(--mint-bright) 0 5%, transparent 6%);
}
.signal-diagram svg path {
  stroke-width: 3;
  stroke-dasharray: none;
  filter: drop-shadow(0 0 6px rgba(86,224,176,.4));
}

.audiences { background: var(--paper); }
.audience-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.audience-card {
  min-height: 420px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,.35);
  transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
}
.audience-card:hover {
  transform: translateY(-5px);
  background: #fff;
  box-shadow: 0 24px 60px rgba(9,24,18,.08);
}
.audience-card > span {
  color: var(--mint-dark);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .12em;
}
.audience-card h3 {
  margin: auto 0 15px;
  font-size: 29px;
  line-height: 1.15;
  letter-spacing: -.04em;
}
.audience-card p { margin: 0; color: var(--muted); font-size: 14px; }
.audience-card a,
.audience-card button {
  margin-top: 32px;
  padding: 0;
  align-self: flex-start;
  color: var(--ink);
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 12px;
  font-weight: 720;
}
.audience-card b { color: var(--mint-dark); }

.deployment { background: var(--paper-2); }
.deployment-line {
  position: relative;
  margin-top: 82px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.deployment-line::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 17px;
  height: 1px;
  background: var(--line);
}
.deployment-step {
  position: relative;
  padding: 64px 42px 0 0;
}
.deployment-step span {
  position: absolute;
  top: 0;
  left: 0;
  width: 35px;
  height: 35px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--mint-dark);
  background: var(--paper-2);
  font-size: 9px;
  font-weight: 800;
}
.deployment-step h3 { margin: 0 0 14px; font-size: 22px; letter-spacing: -.03em; }
.deployment-step p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.68; }
.deployment-note {
  margin-top: 100px;
  padding: 38px;
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 28px;
  align-items: center;
  color: var(--paper);
  background: var(--ink);
  border-radius: var(--radius-md);
}
.note-mark {
  width: 70px;
  height: 70px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(161,242,211,.35);
  border-radius: 50%;
  color: var(--mint);
  font-family: Georgia, serif;
  font-size: 31px;
}
.deployment-note h3 {
  margin: 0;
  font-size: 21px;
  letter-spacing: -.025em;
}
.deployment-note p { margin: 8px 0 0; color: rgba(244,246,241,.56); font-size: 14px; }

.company { background: var(--paper); }
.company-grid {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 100px;
  align-items: start;
}
.company-copy h2 { font-size: clamp(40px, 4.4vw, 63px); }
.company-details {
  padding-top: 45px;
  color: var(--muted);
  font-size: 17px;
}
.company-details p { margin: 0 0 22px; }
.company-meta {
  margin-top: 48px;
  border-top: 1px solid var(--line);
}
.company-meta div {
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  border-bottom: 1px solid var(--line);
}
.company-meta span { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.company-meta strong { color: var(--ink); font-size: 12px; text-align: right; }

.cta-section { padding: 0 0 28px; background: var(--paper); }
.cta-panel {
  min-height: 430px;
  padding: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 60px;
  color: var(--paper);
  background:
    radial-gradient(circle at 85% 15%, rgba(86,224,176,.22), transparent 26%),
    linear-gradient(135deg, #07130f, #123329);
  box-shadow: var(--shadow);
}
.cta-copy h2 { max-width: 800px; font-size: clamp(40px, 5.2vw, 70px); }
.cta-copy p { max-width: 620px; margin: 24px 0 0; color: rgba(244,246,241,.58); }
.cta-panel .button { flex: 0 0 auto; }

.site-footer {
  color: rgba(244,246,241,.62);
  background: var(--ink);
}
.footer-main {
  padding: 90px 0 72px;
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 100px;
}
.brand-footer { color: var(--paper); }
.footer-main > div:first-child > p { margin: 24px 0 0; font-size: 18px; line-height: 1.5; }
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 45px;
}
.footer-links div { display: flex; flex-direction: column; gap: 10px; }
.footer-links span {
  margin-bottom: 10px;
  color: var(--mint);
  font-size: 9px;
  font-weight: 760;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.footer-links a { font-size: 12px; }
.footer-links a:hover { color: var(--paper); }
.footer-bottom {
  min-height: 74px;
  border-top: 1px solid var(--line-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .09em;
}

.contact-dialog {
  width: min(calc(100% - 32px), 920px);
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 0;
  border-radius: 30px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 40px 130px rgba(0,0,0,.35);
}
.contact-dialog::backdrop {
  background: rgba(2,10,7,.72);
  backdrop-filter: blur(10px);
}
.dialog-shell { position: relative; padding: 54px; }
.dialog-close {
  position: absolute;
  right: 22px;
  top: 20px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font-size: 27px;
  line-height: 1;
}
.dialog-intro h2 {
  margin: 12px 0 10px;
  font-size: 46px;
  line-height: 1.08;
  letter-spacing: -.05em;
}
.dialog-intro p { margin: 0; color: var(--muted); }
.contact-form { margin-top: 38px; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.contact-form label { display: block; }
.contact-form label > span {
  display: block;
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 720;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: rgba(255,255,255,.55);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.contact-form input,
.contact-form select { height: 52px; padding: 0 14px; }
.contact-form textarea { padding: 13px 14px; resize: vertical; min-height: 125px; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--mint-dark);
  box-shadow: 0 0 0 4px rgba(23,138,104,.08);
  outline: none;
}
.contact-form > label { margin-top: 18px; }
.form-footer {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.form-footer p { max-width: 470px; margin: 0; color: var(--muted); font-size: 11px; }
.honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.legal-page {
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
}
.legal-header {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.legal-header .brand { color: var(--ink); }
.legal-content {
  width: min(calc(100% - 48px), 820px);
  margin: 0 auto;
  padding: 100px 0 130px;
}
.legal-content h1 {
  margin: 0 0 18px;
  font-size: clamp(44px, 7vw, 75px);
  line-height: 1;
  letter-spacing: -.055em;
}
.legal-content h2 { margin: 48px 0 12px; font-size: 24px; letter-spacing: -.03em; }
.legal-content p,
.legal-content li { color: var(--muted); }
.legal-content a { color: var(--mint-dark); text-decoration: underline; }
.legal-notice {
  margin: 26px 0 40px;
  padding: 18px 20px;
  border: 1px solid #d2b66c;
  border-radius: 12px;
  color: #634f1a;
  background: #fff6d8;
  font-size: 13px;
}

.status-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 30px;
  color: var(--paper);
  background: var(--ink);
}
.status-card {
  width: min(100%, 680px);
  padding: 55px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.035);
}
.status-card .brand { margin-bottom: 55px; }
.status-code { color: var(--mint); font-size: 11px; font-weight: 780; letter-spacing: .14em; text-transform: uppercase; }
.status-card h1 { margin: 15px 0; font-size: 50px; line-height: 1.08; letter-spacing: -.05em; }
.status-card p { color: rgba(244,246,241,.58); }
.status-card .button { margin-top: 20px; }

@media (max-width: 1100px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 900px; }
  .hero-system { max-width: 760px; width: 100%; margin: 20px auto 0; }
  .system-map svg { min-height: 470px; }
  .architecture-stage { grid-template-columns: 1fr; }
  .architecture-visual { min-height: 520px; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .architecture-panel { min-height: 500px; }
  .use-case-panel { grid-template-columns: 1fr; }
  .case-copy { min-height: 420px; }
  .case-diagram { border-left: 0; border-top: 1px solid var(--line-light); }
  .company-grid { gap: 60px; }
}

@media (max-width: 900px) {
  :root { --header-height: 72px; }
  .container { width: min(calc(100% - 34px), var(--container)); }
  .section { padding: 96px 0; }
  .site-header.is-menu-open { color: var(--paper); background: var(--ink); }
  .menu-button { display: grid; }
  .primary-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    padding: 28px 24px 34px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    color: var(--paper);
    background: var(--ink);
    border-top: 1px solid var(--line-light);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: transform .3s ease, opacity .3s ease;
  }
  .primary-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .primary-nav > a {
    padding: 15px 0;
    border-bottom: 1px solid var(--line-light);
    font-size: 16px;
  }
  .primary-nav > a::after { display: none; }
  .primary-nav .button { margin-top: 24px; }
  .site-header.is-scrolled .primary-nav .button-dark { color: var(--ink); background: var(--mint); }
  .hero { padding-top: 140px; }
  .hero h1 { font-size: clamp(53px, 11vw, 85px); }
  .statement-grid,
  .section-heading,
  .company-grid { grid-template-columns: 1fr; }
  .section-heading { gap: 24px; }
  .rail-flow { grid-template-columns: 1fr 1fr; }
  .rail-arrow { display: none; }
  .rail-step { min-height: 190px; border-bottom: 1px solid var(--line); }
  .architecture-tabs { grid-template-columns: 1fr; }
  .architecture-tab {
    min-height: 75px;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }
  .architecture-tab:last-child { border-bottom: 0; }
  .architecture-tab.is-active { box-shadow: inset 3px 0 0 var(--mint-bright); }
  .principle-grid { grid-template-columns: 1fr 1fr; }
  .use-case-nav { grid-template-columns: 1fr 1fr; }
  .use-case-button:nth-child(2) { border-right: 0; }
  .use-case-button:nth-child(-n+2) { border-bottom: 1px solid var(--line-light); }
  .audience-grid { grid-template-columns: 1fr; }
  .audience-card { min-height: 330px; }
  .deployment-line { grid-template-columns: 1fr 1fr; gap: 55px 25px; }
  .deployment-line::before { display: none; }
  .deployment-step { padding-top: 55px; }
  .cta-panel { padding: 48px; flex-direction: column; align-items: flex-start; justify-content: flex-end; }
  .footer-main { grid-template-columns: 1fr; gap: 60px; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 26px), var(--container)); }
  .section { padding: 78px 0; }
  .hero { padding: 126px 0 54px; }
  .hero h1 { font-size: clamp(48px, 15.5vw, 70px); line-height: .98; }
  .hero-lede { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-qualities { gap: 10px 15px; }
  .hero-system { border-radius: 24px; }
  .system-map { padding: 0 2px; }
  .system-map svg { min-height: 365px; }
  .system-caption,
  .system-legend { padding: 0 14px; }
  .system-legend { flex-wrap: wrap; gap: 7px 16px; padding-block: 12px; }
  .live-dot { display: none; }
  .hero-footnote { margin-top: 42px; grid-template-columns: 38px 1fr; }
  .statement-copy h2,
  .section-heading h2,
  .company-copy h2,
  .cta-copy h2 { font-size: 40px; }
  .statement-copy p { font-size: 16px; }
  .rail-flow { grid-template-columns: 1fr; padding: 22px; }
  .rail-step { min-height: 170px; }
  .architecture-explorer,
  .use-case-switcher { border-radius: 22px; }
  .architecture-visual { min-height: 430px; }
  .stack-orbit { width: 300px; height: 300px; }
  .stack-core { width: 180px; height: 180px; }
  .stack-node { min-width: 72px; padding: 8px 10px; font-size: 8px; }
  .stack-node-a { transform: translate(-118px, -115px); }
  .stack-node-b { transform: translate(130px, -22px); }
  .stack-node-c { transform: translate(-112px, 120px); }
  .architecture-panel { min-height: auto; padding: 48px 27px 52px; }
  .architecture-panel h3 { font-size: 36px; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-card { min-height: 235px; }
  .use-case-nav { grid-template-columns: 1fr; }
  .use-case-button {
    min-height: 59px;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }
  .use-case-button:last-child { border-bottom: 0; }
  .use-case-panel { min-height: auto; }
  .case-copy { min-height: 430px; padding: 50px 27px; }
  .case-copy h3 { font-size: 39px; }
  .case-diagram { min-height: 420px; }
  .world-grid { width: 300px; height: 300px; }
  .emergency-card { width: min(82%, 300px); }
  .deployment-line { grid-template-columns: 1fr; gap: 44px; }
  .deployment-note { grid-template-columns: 1fr; padding: 28px; }
  .company-details { padding-top: 0; font-size: 16px; }
  .company-meta div { flex-direction: column; gap: 4px; }
  .company-meta strong { text-align: left; }
  .cta-panel { min-height: 520px; padding: 34px 25px; border-radius: 26px; }
  .cta-panel .button { width: 100%; }
  .footer-main { padding: 70px 0 55px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-bottom { padding-block: 20px; flex-direction: column; align-items: flex-start; gap: 8px; }
  .dialog-shell { padding: 44px 22px 28px; }
  .dialog-intro h2 { font-size: 39px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-footer { flex-direction: column; align-items: stretch; }
  .contact-dialog { border-radius: 22px; }
  .legal-content { width: min(calc(100% - 28px), 820px); padding-top: 70px; }
  .status-card { padding: 35px 24px; }
  .status-card h1 { font-size: 39px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}