:root {
  --ink: #122832;
  --ink-deep: #0a1b22;
  --paper: #f3f5f2;
  --white: #ffffff;
  --signal: #cf2847;
  --signal-dark: #a91533;
  --slate: #5d6c72;
  --line: #c8d0d0;
  --mint: #bcd9d0;
  --display: Inter, Aptos, "Segoe UI", Helvetica, Arial, sans-serif;
  --sans: Inter, Aptos, "Segoe UI", Helvetica, Arial, sans-serif;
  --content: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink-deep);
  text-decoration: none;
}

.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(18, 40, 50, .14);
  background: rgba(243, 245, 242, .94);
  backdrop-filter: blur(14px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -.02em;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  font-size: 13px;
  letter-spacing: .04em;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 750;
}

nav a {
  text-underline-offset: 5px;
  text-decoration-thickness: 2px;
}

nav a:not(:hover):not(:focus-visible) { text-decoration: none; }

.nav-cta {
  padding: 10px 17px;
  color: var(--white);
  background: var(--signal);
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, .65fr);
  gap: clamp(40px, 8vw, 110px);
  align-items: center;
  width: var(--content);
  min-height: calc(100vh - 78px);
  margin: 0 auto;
  padding: 80px 0;
}

.eyebrow,
.section-number,
.case-label,
.panel-label,
.result-kicker {
  margin: 0;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow { color: var(--signal); }

h1,
h2,
h3,
p { margin-top: 0; }

h1 {
  max-width: 820px;
  margin: 22px 0 28px;
  font-family: var(--display);
  font-size: clamp(58px, 7.5vw, 108px);
  font-weight: 600;
  letter-spacing: -.065em;
  line-height: .91;
}

h1 em,
h2 em,
.contact-section h2 em {
  color: var(--signal);
  font-weight: 500;
}

.hero-lede {
  max-width: 720px;
  margin-bottom: 34px;
  color: #354b54;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 20px;
  border: 2px solid transparent;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--signal); }
.button-primary:hover { background: var(--signal-dark); }
.button-quiet { border-color: var(--ink); }
.button-quiet:hover { color: var(--white); background: var(--ink); }

.impact-panel {
  position: relative;
  overflow: hidden;
  padding: 30px;
  color: var(--white);
  background: var(--ink);
  box-shadow: 18px 18px 0 var(--mint);
}

.impact-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 8px;
  background: var(--signal);
}

.panel-label { color: var(--mint); }

.impact-grid {
  display: grid;
  gap: 0;
  margin-top: 18px;
}

.impact-stat {
  display: grid;
  grid-template-columns: 115px 1fr;
  gap: 16px;
  align-items: center;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, .18);
}

.impact-stat strong {
  color: var(--white);
  font-family: var(--display);
  font-size: 45px;
  font-weight: 500;
  letter-spacing: -.05em;
  line-height: 1;
}

.impact-stat span {
  color: rgba(255, 255, 255, .8);
  font-size: 14px;
  line-height: 1.45;
}

.intro-band {
  padding: clamp(52px, 7vw, 90px) max(24px, calc((100vw - 1180px) / 2));
  color: var(--white);
  background: var(--signal);
}

.intro-band p {
  max-width: 1050px;
  margin-bottom: 0;
  font-family: var(--display);
  font-size: clamp(30px, 4.5vw, 58px);
  font-weight: 500;
  letter-spacing: -.04em;
  line-height: 1.15;
}

.section {
  width: var(--content);
  margin: 0 auto;
  padding: clamp(90px, 11vw, 150px) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(150px, .35fr) minmax(0, 1fr) minmax(240px, .55fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 64px;
}

.section-number { align-self: start; color: var(--signal); }

.section-heading h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(42px, 5.4vw, 72px);
  font-weight: 550;
  letter-spacing: -.045em;
  line-height: 1.02;
}

.section-heading > p:last-child {
  margin-bottom: 5px;
  color: var(--slate);
  font-size: 17px;
}

.case-study {
  border: 1px solid var(--line);
  background: var(--white);
}

.flagship {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  min-height: 720px;
}

.case-copy { padding: clamp(34px, 5vw, 64px); }
.case-label { color: var(--signal); }

.case-study h3 {
  margin: 18px 0 22px;
  font-family: var(--display);
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 550;
  letter-spacing: -.045em;
  line-height: 1;
}

.case-deck {
  max-width: 670px;
  margin-bottom: 44px;
  font-size: 20px;
  line-height: 1.55;
}

.case-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 44px;
}

.case-columns h4 {
  margin: 0 0 8px;
  font-size: 15px;
}

.case-columns p { margin: 0; color: var(--slate); font-size: 15px; }

.result-callout {
  padding: 24px 0 0;
  border-top: 3px solid var(--ink);
}

.result-kicker { color: var(--signal); }
.result-callout p { margin: 8px 0 0; font-size: 19px; }

.architecture {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(30px, 4vw, 52px);
  color: var(--white);
  background: var(--ink-deep);
}

.architecture-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 46px;
  color: rgba(255,255,255,.68);
  font-size: 13px;
  text-align: right;
}

.architecture-brand {
  color: var(--signal);
  font-size: 30px;
  font-weight: 850;
  letter-spacing: -.06em;
  line-height: .72;
  text-align: left;
}

.architecture-brand b { color: var(--white); font-family: var(--display); font-weight: 500; }

.architecture-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.architecture-grid div {
  display: flex;
  flex-direction: column;
  min-height: 112px;
  justify-content: space-between;
  padding: 14px;
  border: 1px solid rgba(255,255,255,.16);
}

.architecture-grid svg {
  width: 30px;
  height: 30px;
  color: var(--mint);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.65;
}
.architecture-grid b { font-size: 16px; line-height: 1.25; }

.traffic-card {
  display: grid;
  grid-template-columns: 1fr 90px 1fr;
  gap: 18px;
  align-items: center;
  margin-top: auto;
  padding-top: 50px;
}

.traffic-card > div:not(.traffic-line) { display: flex; flex-direction: column; }
.traffic-card span { color: rgba(255,255,255,.58); font-size: 11px; text-transform: uppercase; }
.traffic-card strong { font-family: var(--display); font-size: 40px; font-weight: 500; line-height: 1.1; }
.traffic-card small { color: rgba(255,255,255,.7); font-size: 12px; }

.traffic-line { position: relative; height: 2px; background: rgba(255,255,255,.2); }
.traffic-line i { position: absolute; left: 0; top: -2px; width: 100%; height: 6px; background: var(--signal); transform: scaleX(.72); transform-origin: left; }

.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

.compact {
  display: flex;
  flex-direction: column;
  min-height: 610px;
  padding: clamp(34px, 4.5vw, 54px);
}

.compact h3 { font-size: clamp(36px, 4.1vw, 53px); }
.compact > p:not(.case-label):not(.case-outcome) { color: var(--slate); font-size: 17px; }

.email-chart { margin: 28px 0 36px; }

.chart-row {
  display: grid;
  grid-template-columns: 48px minmax(100px, 1fr) 48px;
  gap: 14px;
  align-items: center;
  margin: 18px 0;
  font-size: 13px;
}

.bar-track { height: 18px; background: #e8ece9; }
.bar { display: block; height: 100%; }
.bar-old { width: 100%; background: #8f9b9d; }
.bar-new { width: 35%; background: var(--signal); }

.case-outcome {
  margin: auto 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 18px;
}

.dark-card { color: var(--white); background: var(--ink); border-color: var(--ink); }
.dark-card .case-label { color: var(--mint); }
.dark-card > p:not(.case-label):not(.case-outcome) { color: rgba(255,255,255,.72); }
.dark-card .case-outcome { border-color: rgba(255,255,255,.2); }

.channel-bars { margin: 24px 0 34px; }
.channel-bars div { display: grid; grid-template-columns: 55px 1fr 42px; gap: 12px; align-items: center; margin: 14px 0; font-size: 13px; }
.channel-bars i { position: relative; display: block; height: 12px; background: rgba(255,255,255,.12); }
.channel-bars i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--value); background: var(--signal); }

.toolkit {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 36px;
  margin-top: 24px;
  padding: clamp(34px, 5vw, 64px);
  overflow: hidden;
}

.toolkit-copy { align-self: center; }
.toolkit h3 { font-size: clamp(40px, 4.8vw, 62px); }
.toolkit-copy > p:not(.case-label) { color: var(--slate); font-size: 17px; }

.capability-list {
  display: grid;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.capability-list li { border-top: 1px solid var(--line); font-size: 14px; font-weight: 750; }
.capability-list a,
.capability-static {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  text-decoration: none;
}
.capability-list a:hover { color: var(--signal); }
.capability-list a span,
.capability-static small {
  flex: 0 0 auto;
  color: var(--slate);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.sample-note { margin: 16px 0 0; color: var(--slate); font-size: 12px !important; line-height: 1.5; }

.sample-stack {
  position: relative;
  min-height: 630px;
}

.sample {
  position: absolute;
  width: 42%;
  margin: 0;
  background: var(--white);
  box-shadow: 0 22px 45px rgba(10, 27, 34, .16);
}

.sample img { display: block; width: 100%; height: auto; }
.sample figcaption { padding: 10px 12px; font-size: 11px; font-weight: 750; }
.sample a { text-decoration: none; }
.sample figcaption a:hover { color: var(--signal); }
.sample-one { left: 7%; top: 4%; transform: rotate(-5deg); }
.sample-two { right: 4%; top: 17%; transform: rotate(4deg); }
.sample-three { left: 31%; bottom: 0; transform: rotate(-1deg); }

.about-section { border-top: 1px solid var(--line); }
.about-section .section-heading { grid-template-columns: .35fr 1.55fr; }

.about-grid {
  display: grid;
  grid-template-columns: minmax(220px, .65fr) minmax(0, 1.25fr) minmax(230px, .75fr);
  gap: clamp(32px, 5vw, 70px);
  align-items: start;
}

.about-photo {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 12px 12px 0 var(--mint);
}

.about-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 42%;
}

.about-copy p { color: #3f5158; font-size: 17px; }
.about-copy .about-lede { color: var(--ink); font-family: var(--display); font-size: clamp(27px, 3vw, 38px); letter-spacing: -.03em; line-height: 1.25; }

.expertise { padding-top: 8px; }
.expertise > p { margin-bottom: 12px; color: var(--signal); font-size: 12px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.expertise ul { margin: 0; padding: 0; list-style: none; }
.expertise li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; font-weight: 700; }

.contact-section {
  padding: clamp(80px, 11vw, 140px) max(24px, calc((100vw - 1180px) / 2));
  color: var(--white);
  background: var(--ink-deep);
}

.contact-section .section-number { color: var(--mint); }
.contact-section h2 { max-width: 900px; margin: 28px 0; font-family: var(--display); font-size: clamp(52px, 7vw, 94px); font-weight: 550; letter-spacing: -.05em; line-height: .95; }
.contact-section p:not(.section-number) { max-width: 720px; margin-bottom: 34px; color: rgba(255,255,255,.72); font-size: 18px; }
.button-light { color: var(--ink-deep); background: var(--white); }
.button-light:hover { background: var(--mint); }
.button-outline-light { border-color: rgba(255,255,255,.55); }
.button-outline-light:hover { color: var(--ink-deep); background: var(--white); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 28px max(24px, calc((100vw - 1180px) / 2));
  color: var(--slate);
  background: var(--paper);
  font-size: 12px;
}

:focus-visible { outline: 3px solid var(--mint); outline-offset: 4px; }

@media (max-width: 920px) {
  :root { --content: min(calc(100% - 36px), 760px); }
  .site-header { min-height: 68px; padding: 0 18px; }
  nav { gap: 18px; }
  nav a:nth-child(2) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: 0; padding: 70px 0 90px; }
  .impact-panel { max-width: 620px; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .section-heading > p:last-child { max-width: 600px; }
  .flagship, .toolkit { grid-template-columns: 1fr; }
  .architecture { min-height: 620px; }
  .case-grid { grid-template-columns: 1fr; }
  .compact { min-height: 520px; }
  .toolkit { gap: 20px; }
  .sample-stack { min-height: 700px; }
  .about-section .section-heading { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .about-photo { max-width: 360px; }
}

@media (max-width: 620px) {
  :root { --content: calc(100% - 28px); }
  .site-header { align-items: center; }
  .wordmark > span:last-child { display: none; }
  nav { gap: 13px; font-size: 13px; }
  nav a:first-child { display: none; }
  .nav-cta { padding: 9px 12px; }
  .hero { padding-top: 52px; }
  h1 { font-size: clamp(48px, 16vw, 70px); }
  .impact-panel { padding: 26px 22px; box-shadow: 10px 10px 0 var(--mint); }
  .impact-stat { grid-template-columns: 90px 1fr; }
  .impact-stat strong { font-size: 36px; }
  .section { padding: 80px 0; }
  .case-copy, .architecture, .compact, .toolkit { padding: 30px 22px; }
  .case-columns { grid-template-columns: 1fr; }
  .architecture-grid { grid-template-columns: 1fr; }
  .architecture-grid div { min-height: 76px; }
  .traffic-card { grid-template-columns: 1fr; }
  .traffic-line { width: 65%; }
  .sample-stack { min-height: 565px; }
  .sample { width: 52%; }
  .sample-one { left: 0; }
  .sample-two { right: 0; top: 24%; }
  .sample-three { left: 20%; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}