:root {
  --bg: #080a09;
  --bg-elev: #0b0e0c;
  --ink: #f1efe8;
  --soft: #c8c8c0;
  --muted: #949a94;
  --quiet: #646b66;
  --line: rgba(235, 239, 232, .13);
  --line-strong: rgba(235, 239, 232, .23);
  --mal: #1aa66b;
  --mal-light: #72d39b;
  --header: 72px;
  --page-x: clamp(24px, 4.5vw, 72px);
  --max: 1380px;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header); background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.52;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: rgba(26,166,107,.35); color: var(--ink); }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip {
  position: fixed; z-index: 1000; left: 14px; top: -70px;
  padding: 10px 14px; background: var(--ink); color: var(--bg); text-decoration: none;
}
.skip:focus { top: 14px; }

.topbar {
  position: sticky; top: 0; z-index: 100;
  height: var(--header);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--page-x);
  background: rgba(8,10,9,.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { display: block; width: clamp(224px, 20vw, 286px); height: auto; }

.nav { display: flex; align-items: center; gap: clamp(18px, 2vw, 32px); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.nav > a { text-decoration: none; transition: color .2s ease; }
.nav > a:hover, .nav > a:focus-visible { color: var(--ink); }
.language { display: flex; align-items: center; gap: 7px; padding-left: 18px; border-left: 1px solid var(--line); }
.language button { appearance: none; border: 0; background: none; color: var(--quiet); font: inherit; letter-spacing: inherit; padding: 5px 1px; cursor: pointer; }
.language button.active { color: var(--ink); }

.screen-rail {
  position: fixed; z-index: 80; right: 20px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 14px;
}
.screen-rail a { width: 23px; height: 18px; display: grid; place-items: center; text-decoration: none; color: transparent; font-size: 8px; letter-spacing: .1em; }
.screen-rail a::before { content: ""; width: 12px; height: 1px; background: rgba(255,255,255,.22); transition: width .25s ease, background .25s ease; }
.screen-rail a span { position: absolute; opacity: 0; }
.screen-rail a.active::before { width: 23px; background: var(--mal-light); }

.shell { width: min(100%, var(--max)); margin: 0 auto; padding-left: var(--page-x); padding-right: var(--page-x); }
.screen {
  position: relative;
  min-height: calc(100svh - var(--header));
  display: grid;
  align-content: center;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  scroll-margin-top: var(--header);
}

.overline, .section-meta, .contact-small {
  font-size: 9px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
}
.accent-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--mal-light); box-shadow: 0 0 14px rgba(114,211,155,.45); flex: none; }
.overline { display: flex; align-items: center; gap: 10px; margin-bottom: clamp(28px, 4vh, 44px); }

.hero { padding: clamp(34px, 5vh, 58px) 0 0; }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(220px, .52fr); gap: clamp(36px, 7vw, 110px); align-items: center; }
.hero-copy { max-width: 970px; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin: 0;
  max-width: 960px;
  font-size: clamp(54px, 6.2vw, 90px);
  line-height: .94;
  letter-spacing: -.052em;
  font-weight: 460;
}
h1 span, h1 em { display: block; }
h1 em {
  margin-top: .05em;
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -.045em;
  color: #d9ddd5;
}
.lede { max-width: 700px; margin: clamp(26px, 3.8vh, 38px) 0 0; color: var(--soft); font-size: clamp(17px, 1.45vw, 21px); line-height: 1.5; }
.scope-line { margin: 16px 0 0; color: var(--quiet); font-size: 10px; letter-spacing: .09em; text-transform: uppercase; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: clamp(28px, 4vh, 42px); }
.cta { min-height: 42px; display: inline-flex; align-items: center; gap: 18px; padding: 0 17px; border: 1px solid var(--line-strong); text-decoration: none; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; transition: background .25s ease, border-color .25s ease, color .25s ease; }
.cta:hover, .cta:focus-visible { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 12px; color: var(--muted); text-decoration: none; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; transition: color .2s ease; }
.text-link:hover, .text-link:focus-visible { color: var(--ink); }

.hero-material { justify-self: end; width: min(100%, 250px); color: var(--quiet); }
.specimen-wrap { display: flex; align-items: flex-end; gap: 14px; justify-content: flex-end; }
.specimen {
  width: clamp(116px, 11vw, 154px); aspect-ratio: 1;
  border-radius: 50%;
  opacity: .58;
  background:
    radial-gradient(ellipse at 34% 26%, rgba(178,241,202,.55) 0 2%, transparent 10%),
    repeating-radial-gradient(ellipse at 46% 48%, #149a64 0 5px, #075a3d 7px 13px, #32b979 15px 18px, #033529 19px 29px, #0d744e 31px 36px),
    #0b5f43;
  box-shadow: inset -26px -30px 44px rgba(0,0,0,.5), inset 15px 12px 26px rgba(255,255,255,.08), 0 24px 55px rgba(0,0,0,.22);
  filter: saturate(.84) brightness(.82);
}
.specimen-index { writing-mode: vertical-rl; font-size: 7px; letter-spacing: .18em; color: #4e5751; padding-bottom: 7px; }
.hero-material > p { margin: 18px 0 0; text-align: right; font-size: 8px; line-height: 1.65; letter-spacing: .19em; }
.hero-footer {
  margin-top: clamp(40px, 6vh, 72px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  color: #59615c; font-size: 8px; letter-spacing: .18em;
}
.hero-footer span { border-top: 1px solid var(--line); padding-top: 14px; }
.hero-footer span + span { padding-left: 18px; }

.section-frame { padding-top: clamp(38px, 5vh, 58px); padding-bottom: clamp(38px, 5vh, 58px); }
.section-intro { display: grid; grid-template-columns: minmax(140px, .32fr) minmax(0, 1.68fr); gap: clamp(28px, 5vw, 74px); align-items: start; margin-bottom: clamp(34px, 5vh, 54px); }
.section-meta { display: flex; gap: 22px; padding-top: 8px; }
.section-meta span:first-child { color: var(--mal-light); }
.section-title-wrap { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(220px, .55fr); gap: clamp(32px, 5vw, 72px); align-items: end; }
h2 {
  margin: 0;
  max-width: 820px;
  font-family: var(--serif);
  font-size: clamp(42px, 4.25vw, 64px);
  line-height: .98;
  font-weight: 400;
  letter-spacing: -.04em;
}
.section-title-wrap > p { margin: 0; max-width: 430px; color: var(--muted); font-size: 13px; line-height: 1.58; }

.capability-grid {
  margin-left: calc(22.5% + 28px);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.capability {
  min-height: 156px;
  padding: 20px 22px 18px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.capability:not(:nth-child(4n+1)) { border-left: 1px solid var(--line); padding-left: 22px; }
.capability > span, .step > span { color: var(--quiet); font-size: 8px; letter-spacing: .16em; }
.capability h3 { margin: 38px 0 8px; font-size: clamp(15px, 1.28vw, 18px); line-height: 1.18; font-weight: 560; letter-spacing: -.02em; max-width: 240px; }
.capability p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.47; max-width: 240px; }
.capability::after { content: ""; position: absolute; left: 0; top: -1px; width: 0; height: 1px; background: var(--mal-light); transition: width .35s ease; }
.capability:hover::after { width: 42px; }

.approach-grid {
  margin-left: calc(22.5% + 28px);
  display: grid; grid-template-columns: repeat(4, minmax(0,1fr));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.step { min-height: 220px; padding: 24px 26px 24px 0; }
.step + .step { border-left: 1px solid var(--line); padding-left: 26px; }
.step h3 { margin: 72px 0 10px; font-family: var(--serif); font-size: 27px; font-weight: 400; letter-spacing: -.03em; }
.step p { margin: 0; color: var(--muted); font-size: 12px; max-width: 220px; }
.principles {
  margin: 32px 0 0 calc(22.5% + 28px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  color: var(--quiet); font-size: 8px; text-transform: uppercase; letter-spacing: .16em;
}

.context-grid {
  margin-left: calc(22.5% + 28px);
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.context-card { min-height: 300px; padding: 26px 30px 24px 0; display: flex; flex-direction: column; }
.context-card + .context-card { border-left: 1px solid var(--line); padding-left: 30px; }
.context-card > span { color: var(--mal-light); font-size: 8px; letter-spacing: .17em; }
.context-card h3 { margin: auto 0 14px; max-width: 340px; font-family: var(--serif); font-size: clamp(27px, 2.4vw, 36px); line-height: 1.03; font-weight: 400; letter-spacing: -.035em; }
.context-card p { margin: 0; color: var(--muted); font-size: 12px; max-width: 340px; }

.contact { align-content: stretch; grid-template-rows: 1fr auto; }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 70px; align-items: center; padding-top: clamp(50px, 8vh, 96px); padding-bottom: clamp(44px, 7vh, 82px); }
.contact-copy .section-meta { margin-bottom: clamp(32px, 5vh, 58px); }
.contact-copy h2 { max-width: 820px; font-size: clamp(56px, 6vw, 88px); }
.contact-copy > p { max-width: 650px; margin: 26px 0 0; color: var(--muted); font-size: 15px; }
.contact-action { align-self: end; padding-bottom: 8px; }
.contact-small { display: block; margin-bottom: 18px; }
.email-link { display: inline-flex; align-items: baseline; gap: 18px; padding-bottom: 8px; border-bottom: 1px solid var(--line-strong); font-family: var(--serif); font-size: clamp(28px, 3vw, 42px); text-decoration: none; letter-spacing: -.03em; transition: border-color .2s ease; }
.email-link:hover, .email-link:focus-visible { border-color: var(--mal-light); }
.email-link span { color: var(--mal-light); font-family: var(--sans); font-size: .7em; }
.copy-email { margin-top: 18px; border: 0; background: none; color: var(--quiet); padding: 0; font: inherit; font-size: 8px; letter-spacing: .16em; text-transform: uppercase; cursor: pointer; }
.footer {
  min-height: 78px;
  display: grid; grid-template-columns: minmax(210px,.8fr) 1.35fr .85fr; gap: 36px; align-items: center;
  border-top: 1px solid var(--line); color: #565e58; font-size: 8px; letter-spacing: .13em; text-transform: uppercase;
}
.footer img { display: block; width: 190px; height: auto; opacity: .68; }
.footer p { margin: 0; }
.footer p:last-child { text-align: right; }

.reveal { opacity: 0; transform: translateY(12px); transition: opacity .65s cubic-bezier(.2,.7,.2,1), transform .65s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@media (min-width: 1181px) and (min-height: 720px) {
  html { scroll-snap-type: y proximity; }
  .screen { scroll-snap-align: start; }
}

@media (max-width: 1180px) {
  .screen-rail { display: none; }
  .hero-layout { grid-template-columns: minmax(0,1fr) 180px; }
  .hero-material { width: 180px; }
  .capability-grid, .approach-grid, .principles, .context-grid { margin-left: 0; }
  .section-intro { grid-template-columns: 150px 1fr; }
  .section-title-wrap { grid-template-columns: 1fr minmax(210px,.55fr); }
}

@media (max-width: 860px) {
  :root { --header: 68px; --page-x: clamp(20px, 5vw, 38px); }
  .nav > a { display: none; }
  .brand img { width: clamp(205px, 44vw, 258px); }
  .screen { min-height: auto; overflow: visible; }
  .hero { min-height: calc(100svh - var(--header)); padding-top: 46px; padding-bottom: 28px; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-material { display: none; }
  .hero-footer { margin-top: 52px; grid-template-columns: 1fr 1fr; row-gap: 10px; }
  .section-frame { padding-top: 70px; padding-bottom: 72px; }
  .section-intro { grid-template-columns: 1fr; gap: 22px; }
  .section-title-wrap { grid-template-columns: 1fr; gap: 18px; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability { min-height: 150px; }
  .capability:not(:nth-child(4n+1)) { border-left: 0; padding-left: 0; }
  .capability:nth-child(even) { border-left: 1px solid var(--line); padding-left: 20px; }
  .capability h3 { margin-top: 32px; }
  .approach-grid { grid-template-columns: 1fr 1fr; }
  .step { min-height: 200px; }
  .step + .step { border-left: 0; padding-left: 0; }
  .step:nth-child(even) { border-left: 1px solid var(--line); padding-left: 22px; }
  .step:nth-child(n+3) { border-top: 1px solid var(--line); }
  .principles { grid-template-columns: 1fr 1fr; row-gap: 12px; }
  .context-grid { grid-template-columns: 1fr; }
  .context-card { min-height: 220px; padding: 26px 0; }
  .context-card + .context-card { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .contact { min-height: calc(100svh - var(--header)); }
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .contact-action { align-self: start; }
  .footer { grid-template-columns: 1fr; gap: 12px; padding-top: 24px; padding-bottom: 24px; }
  .footer p:last-child { text-align: left; }
}

@media (max-width: 560px) {
  .topbar { padding-left: 18px; padding-right: 18px; }
  .brand img { width: 202px; }
  .language { padding-left: 12px; }
  h1 { font-size: clamp(48px, 14.5vw, 68px); }
  .lede { font-size: 17px; }
  .scope-line { max-width: 300px; line-height: 1.7; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-footer { grid-template-columns: 1fr 1fr; }
  h2 { font-size: clamp(38px, 11vw, 52px); }
  .capability-grid { grid-template-columns: 1fr; }
  .capability, .capability:nth-child(even) { min-height: 132px; border-left: 0; padding-left: 0; }
  .approach-grid { grid-template-columns: 1fr; }
  .step, .step:nth-child(even) { min-height: 176px; border-left: 0; padding-left: 0; }
  .step + .step { border-top: 1px solid var(--line); }
  .step h3 { margin-top: 44px; }
  .principles { grid-template-columns: 1fr; }
  .contact-copy h2 { font-size: clamp(52px, 15vw, 72px); }
  .email-link { font-size: clamp(25px, 7vw, 34px); word-break: break-word; }
  .footer img { width: 170px; }
}

@media (max-height: 760px) and (min-width: 861px) {
  .screen { min-height: calc(100svh - var(--header)); }
  .hero { padding-top: 24px; }
  .overline { margin-bottom: 24px; }
  h1 { font-size: clamp(50px, 5.6vw, 78px); }
  .lede { margin-top: 22px; }
  .hero-actions { margin-top: 24px; }
  .hero-footer { margin-top: 30px; }
  .section-frame { padding-top: 30px; padding-bottom: 30px; }
  .section-intro { margin-bottom: 26px; }
  h2 { font-size: clamp(38px, 3.7vw, 54px); }
  .capability { min-height: 128px; padding-top: 15px; padding-bottom: 14px; }
  .capability h3 { margin-top: 25px; font-size: 15px; }
  .capability p { font-size: 10px; }
  .step { min-height: 170px; padding-top: 18px; padding-bottom: 18px; }
  .step h3 { margin-top: 44px; }
  .principles { margin-top: 22px; }
  .context-card { min-height: 230px; }
  .contact-layout { padding-top: 44px; padding-bottom: 42px; }
  .contact-copy .section-meta { margin-bottom: 30px; }
}

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