:root {
  --ink: #0f1720;
  --ink-2: #172331;
  --ink-3: #203044;
  --paper: #f6f7f4;
  --panel: #ffffff;
  --muted: #647084;
  --line: #dfe4ea;
  --line-dark: rgb(255 255 255 / 0.14);
  --blue: #1d5fa7;
  --teal: #0d7467;
  --gold: #a67520;
  --red: #a13d3d;
  --max: 1180px;
  --shadow: 0 24px 70px rgb(15 23 32 / 0.14);
  --shadow-soft: 0 16px 42px rgb(15 23 32 / 0.09);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, #ffffff 0, var(--paper) 560px),
    var(--paper);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

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

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.04;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(44px, 7vw, 84px);
  font-weight: 760;
}

h2 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(30px, 4.4vw, 54px);
  font-weight: 720;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgb(223 228 234 / 0.78);
  background: rgb(246 247 244 / 0.92);
  backdrop-filter: blur(16px) saturate(1.1);
}

.nav {
  width: min(var(--max), calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  flex: none;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--ink), var(--blue));
  box-shadow: 0 14px 28px rgb(15 23 32 / 0.22);
  font-weight: 800;
}

.brand strong {
  display: block;
  font-size: 16px;
  line-height: 1.1;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #475366;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  padding: 9px 12px;
  border-radius: 8px;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
  background: #fff;
}

.hero {
  color: #fff;
  background:
    linear-gradient(90deg, rgb(15 23 32 / 0.96), rgb(15 23 32 / 0.84)),
    linear-gradient(135deg, var(--ink), var(--ink-3));
  overflow: hidden;
}

.hero-grid {
  position: relative;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(70px, 10vw, 128px) 0 clamp(60px, 8vw, 92px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
}

.hero-grid::before {
  content: "";
  position: absolute;
  inset: 24px -15vw auto auto;
  width: min(620px, 65vw);
  height: min(620px, 65vw);
  border: 1px solid var(--line-dark);
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), rgb(255 255 255 / 0.08) 0),
    linear-gradient(180deg, transparent calc(100% - 1px), rgb(255 255 255 / 0.08) 0);
  background-size: 42px 42px;
  opacity: 0.5;
  transform: rotate(-7deg);
}

.hero-copy,
.signal-panel {
  position: relative;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #8bd4ca;
}

.lead {
  max-width: 690px;
  margin-bottom: 0;
  color: rgb(255 255 255 / 0.74);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.68;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 18px;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 16px 34px rgb(0 0 0 / 0.24);
}

.button.secondary {
  color: #fff;
  border-color: var(--line-dark);
  background: rgb(255 255 255 / 0.06);
}

.button.tertiary {
  color: #fff;
  background: var(--ink);
}

.signal-panel {
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgb(255 255 255 / 0.12), rgb(255 255 255 / 0.06)),
    rgb(15 23 32 / 0.42);
  box-shadow: 0 30px 80px rgb(0 0 0 / 0.34);
  backdrop-filter: blur(14px);
}

.panel-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line-dark);
  color: rgb(255 255 255 / 0.58);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-stack {
  display: grid;
  gap: 0;
}

.signal-stack article {
  padding: 24px;
  border-bottom: 1px solid var(--line-dark);
}

.signal-stack article:last-child {
  border-bottom: 0;
}

.signal-code {
  display: inline-flex;
  margin-bottom: 14px;
  color: #8bd4ca;
  font-family: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.signal-stack strong {
  display: block;
  margin-bottom: 8px;
  font-size: 24px;
  letter-spacing: 0;
  line-height: 1.1;
}

.signal-stack p {
  margin-bottom: 0;
  color: rgb(255 255 255 / 0.68);
  line-height: 1.65;
}

.metrics {
  width: min(var(--max), calc(100% - 40px));
  margin: -34px auto 0;
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.metrics div {
  padding: 24px;
  border-right: 1px solid var(--line);
}

.metrics div:last-child {
  border-right: 0;
}

.metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
}

.metrics span {
  color: var(--muted);
  line-height: 1.6;
}

.section,
.portfolio,
.responsible {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: clamp(70px, 10vw, 126px) 0 0;
}

.section-head {
  max-width: 860px;
  margin-bottom: 30px;
}

.card-grid {
  display: grid;
  gap: 14px;
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.project {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.card {
  min-height: 240px;
  padding: 24px;
}

.card-index,
.project span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.card p,
.portfolio-copy p,
.project p,
.responsible-copy p {
  color: var(--muted);
  line-height: 1.72;
}

.portfolio {
  padding: clamp(70px, 10vw, 126px) 0 0;
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(24px, 5vw, 58px);
  align-items: start;
}

.portfolio-copy {
  position: sticky;
  top: 108px;
}

.portfolio-copy p {
  max-width: 520px;
  font-size: 17px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.project {
  min-height: 236px;
  padding: 24px;
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.project:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 58px rgb(15 23 32 / 0.13);
}

.project:nth-child(2) span {
  color: var(--red);
}

.project:nth-child(3) span {
  color: var(--teal);
}

.project:nth-child(4) span {
  color: var(--gold);
}

.project-feature {
  grid-column: 1 / -1;
  min-height: 320px;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 0.8fr);
  gap: 24px;
  align-items: center;
}

.cover-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
}

.cover-row img {
  aspect-ratio: 5 / 8;
  width: 100%;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: 0 18px 34px rgb(15 23 32 / 0.22);
}

.cover-row img:nth-child(2) {
  transform: translateY(-18px);
}

.responsible {
  margin-top: clamp(70px, 10vw, 126px);
  padding: clamp(28px, 5vw, 46px);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(135deg, rgb(13 116 103 / 0.25), transparent 58%),
    var(--ink);
  box-shadow: var(--shadow);
}

.responsible .eyebrow {
  color: #8bd4ca;
}

.responsible-copy p {
  color: rgb(255 255 255 / 0.74);
  font-size: 17px;
}

.responsible-copy .button {
  margin-top: 24px;
}

.footer {
  width: min(var(--max), calc(100% - 40px));
  margin: clamp(60px, 9vw, 104px) auto 0;
  padding: 28px 0 36px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.footer div {
  display: grid;
  gap: 4px;
}

.footer strong {
  color: var(--ink);
}

.footer a {
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 960px) {
  .hero-grid,
  .portfolio,
  .responsible {
    grid-template-columns: 1fr;
  }

  .portfolio-copy {
    position: static;
  }

  .card-grid.three,
  .metrics {
    grid-template-columns: 1fr;
  }

  .metrics div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metrics div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 680px) {
  .nav {
    width: min(var(--max), calc(100% - 28px));
    min-height: 86px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero-grid,
  .section,
  .portfolio,
  .responsible,
  .metrics,
  .footer {
    width: min(var(--max), calc(100% - 28px));
  }

  .hero-grid {
    padding-top: 58px;
  }

  .signal-stack article,
  .card,
  .project {
    padding: 20px;
  }

  .project-feature,
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .cover-row {
    max-width: 360px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  h1 {
    font-size: 40px;
  }

  .button {
    width: 100%;
  }

  .panel-top {
    flex-direction: column;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}