@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;700;800&display=swap');

:root {
  --paper: #eef2f7;
  --ink: #151b25;
  --body-copy: #3c4657;
  --muted: #5a6575;
  --hairline: #c8cfda;
  --rule-strong: rgba(21, 27, 37, 0.38);
  --rule-strong-solid: #151b25;
  --dark: #121822;
  --dark-hairline: #28323f;
  --dark-display: #f4f7fb;
  --dark-body: #bcc6d4;
  --dark-body-2: #ccd5e2;
  --dark-meta: #8a94a4;
  --dark-meta-2: #a3adbb;
  --accent: #2050d8;
  --accent-pressed: #1a41ad;
  --accent-on-dark: #93b4f7;
  --accent-small: #1b3a8f;
  --font-heading: "Archivo", system-ui, sans-serif;
  --font-body: "Archivo", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 800;
}

a {
  text-decoration: none;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

#contact :focus-visible {
  outline-color: #ffffff;
}

/* — header / nav — */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--dark);
  border-bottom: 2px solid var(--dark-hairline);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px clamp(20px, 5vw, 72px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
}

.nav-brand {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #eef2f7;
  margin-right: auto;
}

.nav-link {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--dark-body);
}

.nav-link:hover {
  color: #ffffff;
}

.nav-contact {
  font-size: 14px;
  letter-spacing: 0.04em;
  font-weight: 700;
  color: #ffffff;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
}

.nav-contact:hover {
  color: var(--accent-on-dark);
}

/* — shared layout helpers — */

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.rule {
  height: 2px;
  border: 0;
  margin: 0;
  background: var(--rule-strong);
}

.kicker-label {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-small);
}

.kicker-label--dark {
  color: var(--accent-on-dark);
}

/* — hero — */

.hero {
  background: var(--dark);
  background-image:
    linear-gradient(to right, rgba(243, 242, 242, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(243, 242, 242, 0.055) 1px, transparent 1px);
  background-size: 88px 88px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(72px, 12vh, 148px) clamp(20px, 5vw, 72px) clamp(56px, 9vh, 104px);
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 28px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
}

.dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  display: inline-block;
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(38px, 5.8vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 32px;
  margin-left: -0.04em;
  color: var(--dark-display);
  max-width: 21ch;
}

.hero h1 span {
  display: block;
}

.hero h1 .accent-line {
  color: var(--accent-on-dark);
}

.hero-sub {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.6;
  max-width: 56ch;
  margin: 0 0 40px;
  color: var(--dark-body-2);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 16px;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: 17px 28px;
  border-radius: 0;
}

.btn-primary:hover {
  background: var(--accent-pressed);
  border-color: var(--accent-pressed);
}

.text-link {
  font-size: 15px;
  color: var(--dark-body-2);
  border-bottom: 1px solid #4d586a;
  padding-bottom: 3px;
}

.text-link:hover {
  color: #ffffff;
  border-color: #ffffff;
}

/* — problem statement — */

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(28px, 5vw, 80px);
  align-items: start;
}

.problem-grid h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  margin-left: -0.04em;
  max-width: 22ch;
}

.problem-grid p {
  font-size: 16.5px;
  line-height: 1.7;
  margin: 0 0 22px;
  color: var(--body-copy);
  max-width: 54ch;
}

.problem-grid p:last-child {
  margin-bottom: 0;
}

/* — capabilities — */

.expertise-intro {
  padding-bottom: clamp(24px, 4vw, 40px);
}

.expertise-intro h2 {
  font-size: clamp(26px, 2.8vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  margin-left: -0.04em;
  max-width: 28ch;
}

.capabilities {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 72px) clamp(40px, 6vw, 72px);
}

.cap-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px clamp(24px, 4vw, 72px);
  padding: clamp(28px, 3.5vw, 44px) 0;
  border-top: 2px solid var(--rule-strong);
}

.cap-row.cap-row--last {
  border-bottom: 2px solid var(--rule-strong);
}

.cap-num {
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.06em;
  margin: 0 0 12px;
  color: var(--accent-small);
}

.cap-row h3 {
  font-size: clamp(21px, 2vw, 26px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 20ch;
}

.cap-body {
  max-width: 60ch;
}

.cap-body p {
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
  color: var(--body-copy);
}

.cap-emphasis {
  font-weight: 800;
  font-size: 16px;
  line-height: 1.5;
  margin: 22px 0 0;
  max-width: 40ch;
  color: var(--ink);
}

/* — engagement model — */

.approach {
  background: var(--dark);
  background-image: linear-gradient(to right, rgba(243, 242, 242, 0.05) 1px, transparent 1px);
  background-size: 88px 88px;
}

.approach-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 72px);
}

.approach-inner h2 {
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.022em;
  margin: 0 0 18px;
  margin-left: -0.04em;
  color: var(--dark-display);
  max-width: 24ch;
}

.approach-intro {
  font-size: 16.5px;
  line-height: 1.7;
  max-width: 54ch;
  margin: 0 0 clamp(36px, 5vw, 56px);
  color: var(--dark-body);
}

.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0 clamp(20px, 3vw, 40px);
}

.step {
  flex: 1 1 230px;
  min-width: 230px;
  padding: 26px 0 32px;
  border-top: 2px solid var(--accent);
}

.step .dot {
  display: block;
  margin-bottom: 18px;
}

.step-num {
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
  color: var(--dark-meta);
}

.step h3 {
  font-size: 20px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 12px;
  color: var(--dark-display);
}

.step p {
  font-size: 15.5px;
  line-height: 1.65;
  margin: 0;
  color: var(--dark-body);
  max-width: 32ch;
}

/* — distributed engineering — */

.two-col-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}

.two-col-grid h2 {
  font-size: clamp(26px, 2.9vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  margin-left: -0.04em;
  max-width: 22ch;
}

.two-col-grid > div > p {
  font-size: 16.5px;
  line-height: 1.7;
  margin: 0 0 22px;
  color: var(--body-copy);
  max-width: 52ch;
}

.emphasis-line {
  font-weight: 800;
  font-size: 17px;
  line-height: 1.5;
  margin: 0;
  max-width: 38ch;
  color: var(--ink);
}

.matrix {
  border-top: 2px solid var(--rule-strong);
}

.matrix-head,
.matrix-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(90px, 0.55fr) minmax(90px, 0.55fr);
  gap: 0;
  border-bottom: 1px solid var(--hairline);
}

.matrix-head {
  padding: 14px 0;
}

.matrix-head span {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.matrix-row {
  padding: 16px 0;
}

.matrix-row .label {
  font-size: 15.5px;
  line-height: 1.5;
}

.matrix-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  display: block;
  margin-top: 7px;
}

.matrix-note {
  font-size: 14px;
  line-height: 1.6;
  margin: 16px 0 0;
  color: var(--muted);
  max-width: 40ch;
}

/* — AI-native engineering — */

.ai-native-grid > div > p {
  font-size: 16.5px;
  line-height: 1.7;
  margin: 0 0 28px;
  color: var(--body-copy);
  max-width: 54ch;
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px 24px;
}

.ai-grid span {
  font-size: 15px;
  line-height: 1.5;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
}

.ai-native-grid .emphasis-line {
  margin: 28px 0 0;
  max-width: 36ch;
}

/* — operating philosophy — */

.philosophy-heading {
  margin: 0 0 clamp(32px, 5vw, 56px);
  margin-left: -0.04em;
  font-size: clamp(26px, 2.9vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 26ch;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(28px, 4vw, 56px);
}

.philosophy-cell {
  border-top: 2px solid var(--rule-strong-solid);
  padding-top: 20px;
}

.philosophy-cell h3 {
  font-size: 16px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.philosophy-cell p {
  font-size: 15.5px;
  line-height: 1.68;
  margin: 0;
  color: var(--body-copy);
  max-width: 34ch;
}

/* — who we work with — */

.who-grid h2 {
  margin: 0 0 20px;
}

.who-grid > div > p {
  margin: 0 0 0;
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--body-copy);
  max-width: 46ch;
}

.who-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.who-list li {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-top: 1px solid var(--hairline);
}

.who-list li:last-child {
  border-bottom: 1px solid var(--hairline);
}

.who-list .dot {
  margin-top: 8px;
}

.who-list span:last-child {
  font-size: 15.5px;
  line-height: 1.6;
}

/* — contact — */

#contact {
  background: var(--accent);
  color: #ffffff;
}

.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(56px, 8vw, 112px) clamp(20px, 5vw, 72px);
}

.contact-inner h2 {
  font-size: clamp(32px, 4.4vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 28px;
  margin-left: -0.045em;
  color: #ffffff;
  max-width: 20ch;
}

.contact-sub {
  font-size: clamp(16.5px, 1.4vw, 19px);
  line-height: 1.6;
  max-width: 52ch;
  margin: 0 0 40px;
  color: #ffffff;
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 84px;
  height: 84px;
  border: 3px solid #ffffff;
  color: #ffffff;
}

.contact-icon:hover {
  background: #ffffff;
  color: var(--accent);
}

/* — footer — */

.site-footer {
  background: var(--dark);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px clamp(20px, 5vw, 72px);
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  align-items: baseline;
  justify-content: space-between;
}

.footer-brand {
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #eef2f7;
}

.footer-meta {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--dark-meta-2);
}