:root {
  --navy: #020617;
  --navy-2: #0f172a;
  --cyan: #06b6d4;
  --cyan-dark: #00687a;
  --sky: #ecfeff;
  --slate: #475569;
  --line: #e2e8f0;
  --surface: #f8fafc;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(2, 6, 23, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding-top: 80px;
  color: var(--navy);
  background: var(--white);
  font-family: "IBM Plex Sans", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 92px 0; border-top: 1px solid var(--line); }
.section-soft { background: var(--surface); }
.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan-dark);
  font: 700 12px/1.2 "Space Grotesk", sans-serif;
  letter-spacing: .15em;
  text-transform: uppercase;
}
h1, h2, h3 { font-family: "Space Grotesk", sans-serif; letter-spacing: -.035em; }
h1 { margin: 0; font-size: clamp(48px, 6.2vw, 82px); line-height: .98; }
h2 { margin: 0; font-size: clamp(34px, 4vw, 54px); line-height: 1.04; }
h3 { margin: 0; font-size: 22px; line-height: 1.15; }
p { color: var(--slate); font-size: 17px; line-height: 1.75; }
.lead { max-width: 720px; font-size: 20px; }
.cyan { color: var(--cyan-dark); }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid var(--cyan);
  border-radius: 5px;
  background: var(--cyan-dark);
  color: white;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.button:hover, .button:focus-visible { transform: translateY(-2px); background: var(--navy); }
.button-secondary { background: white; color: var(--navy); border-color: var(--line); }
.button-secondary:hover, .button-secondary:focus-visible { color: white; }
.text-link { color: var(--cyan-dark); font-weight: 700; }
.text-link:hover { color: var(--navy); }

.site-header { display: none; }
.nav-wrap { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 40px; height: 40px; border-radius: 999px; object-fit: cover; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.brand strong { display: block; color: #0f172a; font-family: "Space Grotesk", sans-serif; font-size: 20px; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.brand small { display: none; }
.desktop-nav { display: flex; align-items: center; gap: 24px; }
.desktop-nav > a:not(.button) { color: #64748b; font-size: 13px; font-weight: 600; letter-spacing: .025em; text-transform: uppercase; }
.desktop-nav > a:not(.button):hover, .desktop-nav > a[aria-current="page"] { color: var(--cyan-dark); }
.nav-button { min-height: 42px; padding: 0 16px; font-size: 12px; }
.menu-toggle { display: none; border: 0; background: none; padding: 9px; color: var(--navy); font-size: 24px; }
.mobile-nav { display: none; padding: 14px 20px 24px; border-top: 1px solid var(--line); }
.mobile-nav.open { display: grid; gap: 16px; }
.mobile-nav a { font-weight: 700; }

.hero {
  position: relative;
  padding: 94px 0 86px;
  overflow: hidden;
  background: white;
}
.hero::before, .about-hero::before, .method-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url("circuit-map.svg") center / cover no-repeat;
  opacity: .06;
}
.hero::after { display: none; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
.hero-grid > * { position: relative; z-index: 1; }
.hero-copy p { max-width: 650px; }
.method-stack { position: relative; padding-left: 20px; }
.method-stack::before {
  content: "";
  position: absolute;
  top: 42px;
  bottom: 42px;
  left: 51px;
  width: 2px;
  background: linear-gradient(var(--cyan), rgba(6,182,212,.18));
}
.method-stack::after {
  content: "";
  position: absolute;
  inset: 8% -100px 8% 42%;
  z-index: -1;
  opacity: .4;
  background: linear-gradient(90deg, transparent, var(--sky));
}
.method-step { display: grid; grid-template-columns: 72px 1fr; gap: 18px; align-items: center; padding: 14px 0; }
.method-step + .method-step { border-top: 1px solid var(--line); }
.step-mark {
  position: relative;
  z-index: 1;
  width: 62px;
  height: 62px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--navy);
  background: white;
  font: 700 29px/1 "Space Grotesk", sans-serif;
  box-shadow: 0 0 0 8px var(--sky);
}
.method-step p { margin: 5px 0 0; font-size: 14px; line-height: 1.5; }

.friction-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: center; }
.issue-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 30px; margin-top: 34px; }
.issue { display: flex; gap: 12px; color: var(--slate); font-weight: 600; line-height: 1.5; }
.issue .material-symbols-outlined { color: var(--cyan-dark); }
.pullquote { padding: 42px; border: 1px solid var(--line); border-radius: 18px; background: white; box-shadow: var(--shadow); }
.pullquote p { margin: 0; color: var(--navy); font: 700 clamp(24px, 3vw, 36px)/1.25 "Space Grotesk", sans-serif; }

.principles-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: end; margin-bottom: 48px; }
.principles { display: grid; grid-template-columns: 1fr 1fr; }
.principle { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 28px 30px 28px 0; border-top: 1px solid var(--line); }
.principle:nth-child(even) { padding-left: 30px; border-left: 1px solid var(--line); }
.principle .material-symbols-outlined { color: var(--cyan-dark); font-size: 34px; }
.principle p { margin: 7px 0 0; font-size: 15px; }

.lane-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 50px; }
.lane { padding: 0 34px; }
.lane:first-child { padding-left: 0; }
.lane + .lane { border-left: 1px solid var(--line); }
.lane .material-symbols-outlined { margin-bottom: 22px; color: var(--cyan-dark); font-size: 42px; }
.lane p { font-size: 15px; }
.lane ul { padding: 0; margin: 22px 0; list-style: none; color: var(--slate); }
.lane li { margin: 10px 0; }
.lane li::before { content: "✓"; margin-right: 10px; color: var(--cyan-dark); font-weight: 700; }

.assessment-band { padding: 64px 0; color: white; background: var(--navy); overflow: hidden; }
.assessment-grid { display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: center; }
.assessment-band .eyebrow { color: #67e8f9; }
.assessment-band h2, .assessment-band p { color: white; }
.assessment-band p { max-width: 720px; opacity: .82; }
.assessment-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 20px; font-size: 13px; color: #cbd5e1; }

.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 42px; }
.proof { display: grid; place-items: center; min-height: 128px; border: 1px solid var(--line); background: white; }
.proof img { max-width: 78%; max-height: 70px; object-fit: contain; }
.founder-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: center; }
.founder-visual { min-height: 340px; display: grid; place-items: center; border-radius: 18px; background: var(--navy); color: white; overflow: hidden; }
.founder-visual .material-symbols-outlined { font-size: 110px; color: #22d3ee; }
.founder-visual img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; object-position: 50% 30%; }
.credential-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 30px; }
.credential { padding: 18px 0; border-top: 1px solid var(--line); color: var(--slate); font-weight: 600; }

.about-hero { position: relative; padding: 88px 0; overflow: hidden; background: white; }
.about-hero > .container { position: relative; z-index: 1; }
.about-hero-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; }
.about-photo { aspect-ratio: 3 / 4; overflow: hidden; border-radius: 18px; background: var(--navy); box-shadow: var(--shadow); }
.about-photo img { display: block; width: 100%; height: 100%; object-fit: contain; object-position: center; }
.story-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: start; }
.story-copy p:first-child { margin-top: 0; }
.personal-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; margin-top: 42px; background: var(--line); border: 1px solid var(--line); }
.personal-grid article { padding: 34px; background: white; }
.personal-grid p { margin-bottom: 0; font-size: 15px; }

.method-hero { position: relative; padding: 100px 0 70px; overflow: hidden; background: white; text-align: center; }
.method-hero > .container { position: relative; z-index: 1; }
.method-hero .lead { margin: 24px auto 0; }
.method-rail { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 54px; text-align: left; }
.method-rail article { padding: 26px; border-top: 3px solid var(--cyan); }
.method-rail article + article { border-left: 1px solid var(--line); }
.number { display: block; color: var(--cyan-dark); font: 700 13px/1 "Space Grotesk", sans-serif; letter-spacing: .15em; }
.loop-shell { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 34px; margin-top: 42px; align-items: stretch; }
.loop { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.loop-step {
  min-height: 82px;
  padding: 14px 10px;
  border: 1px solid rgba(183,213,236,.34);
  border-radius: 6px;
  color: #d9e9f5;
  background: rgba(255,255,255,.04);
  font: 700 14px/1.25 "Space Grotesk", sans-serif;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.loop-step:hover, .loop-step:focus-visible { border-color: #67e8f9; transform: translateY(-2px); }
.loop-step[aria-selected="true"] { color: white; border-color: var(--cyan); background: rgba(6,182,212,.18); box-shadow: inset 0 0 0 1px rgba(103,232,249,.18); }
.loop-detail { min-height: 176px; padding: 30px; border: 1px solid rgba(103,232,249,.25); border-radius: 10px; background: rgba(255,255,255,.06); }
.loop-detail .eyebrow { color: #67e8f9; }
.loop-detail h3, .loop-detail p { color: white; }
.loop-detail p { margin-bottom: 0; opacity: .82; font-size: 16px; }
.service-map { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 40px; }
.service-map article { padding: 30px; border: 1px solid var(--line); border-radius: 10px; background: white; }

.site-footer { padding: 64px 0; color: #64748b; background: white; border-top: 1px solid #e2e8f0; }
.footer-grid { display: flex; flex-direction: column; align-items: center; gap: 32px; text-align: center; }
.site-footer .brand img { display: none; }
.site-footer .brand strong { color: #0f172a; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; font-size: 14px; font-weight: 500; }
.footer-links a:hover { color: #0891b2; }
.copyright { margin-top: 32px; color: #94a3b8; font-size: 12px; letter-spacing: .1em; text-align: center; text-transform: uppercase; }

:focus-visible { outline: 3px solid rgba(6,182,212,.35); outline-offset: 3px; }
@media (max-width: 900px) {
  body { padding-top: 80px; }
  .nav-wrap { min-height: 78px; }
  .desktop-nav, .menu-toggle, .mobile-nav { display: none; }
  .hero-grid, .friction-grid, .principles-head, .founder-grid, .about-hero-grid, .story-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 64px; }
  .hero { background: white; }
  .hero::after { display: none; }
  .method-stack { padding-left: 0; }
  .lane-grid, .service-map { grid-template-columns: 1fr; gap: 32px; }
  .personal-grid { grid-template-columns: 1fr; }
  .lane { padding: 30px 0; border-top: 1px solid var(--line); }
  .lane + .lane { border-left: 0; }
  .assessment-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .method-rail { grid-template-columns: 1fr 1fr; }
  .method-rail article + article { border-left: 0; }
  .loop-shell { grid-template-columns: 1fr; }
  .loop { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  body { padding-top: 80px; }
  .container { width: min(100% - 28px, 1180px); }
  .section { padding: 68px 0; }
  .brand img { width: 36px; height: 36px; }
  .brand strong { font-size: 15px; letter-spacing: .07em; }
  .about-photo { width: min(52vw, 190px); margin: 0 auto; }
  .desktop-nav .button { min-height: 40px; width: auto; padding: 0 12px; font-size: 10px; }
  .mobile-nav { gap: 12px 16px; padding-top: 12px; }
  .mobile-nav a { font-size: 11px; }
  .issue-list, .principles, .credential-grid { grid-template-columns: 1fr; }
  .principle:nth-child(even) { padding-left: 0; border-left: 0; }
  .proof-grid, .method-rail, .loop { grid-template-columns: 1fr; }
  .loop > .loop-detail { grid-column: 1 / -1; min-height: 0; margin-bottom: 4px; padding: 24px; }
  .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { display: grid; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}