:root {
  color-scheme: light;
  --ink: #101828;
  --muted: #526071;
  --line: #d9e2ef;
  --bg: #f7fafc;
  --panel: #ffffff;
  --navy: #0d1b2a;
  --cyan: #0ea5e9;
  --teal: #14b8a6;
  --violet: #7c3aed;
  --amber: #f59e0b;
  --radius: 8px;
  font-family: Tahoma, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 5vw, 72px);
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand, .nav, .actions, .filters, .chips {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--navy);
  color: white;
  font-size: 14px;
  letter-spacing: 0;
}

.nav {
  gap: clamp(12px, 3vw, 30px);
  color: var(--muted);
  font-size: 15px;
}

.nav a:hover, .nav a[aria-current="page"] { color: var(--cyan); }

.hero, .portfolio-hero, .case-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(44px, 8vw, 96px) clamp(18px, 5vw, 72px);
  background: linear-gradient(135deg, #ffffff 0%, #edf7fb 52%, #f7f1ff 100%);
}

.hero h1, .portfolio-hero h1, .case h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(34px, 5vw, 66px);
  line-height: 1.18;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--cyan);
  font-weight: 700;
  letter-spacing: 0;
}

.actions { gap: 12px; flex-wrap: wrap; margin-top: 26px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  font-weight: 700;
}

.button.primary {
  background: var(--navy);
  border-color: var(--navy);
  color: white;
}

.button.secondary { background: white; color: var(--navy); }

.hero-visual, .case-hero img {
  border-radius: var(--radius);
  box-shadow: 0 24px 70px rgba(16, 24, 40, .18);
}

.hero-panel {
  display: grid;
  gap: 12px;
  align-self: stretch;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 45px rgba(16, 24, 40, .08);
}

.hero-panel span {
  padding: 14px;
  border-radius: var(--radius);
  background: #eef8ff;
  color: #075985;
}

.section {
  padding: clamp(42px, 7vw, 86px) clamp(18px, 5vw, 72px);
}

.section.compact { padding-top: 48px; }

.section-head h2, .cta-band h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.25;
}

.feature-grid, .service-grid, .case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

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

.feature-grid article, .service-grid article, .case-grid article {
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.feature-grid h3, .service-grid h3, .case-grid h2 {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1.35;
}

.feature-grid p, .service-grid p, .case-grid p, .work-body p, .cta-band p {
  margin: 0;
  color: var(--muted);
}

.filters {
  gap: 10px;
  flex-wrap: wrap;
  padding: 26px clamp(18px, 5vw, 72px) 8px;
}

.filter {
  min-height: 40px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

.filter.active {
  background: var(--navy);
  border-color: var(--navy);
  color: white;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  padding: 22px clamp(18px, 5vw, 72px) clamp(44px, 8vw, 86px);
}

.work-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 18px 44px rgba(16, 24, 40, .07);
}

.work-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.work-body { padding: 22px; }

.work-body h2 {
  margin: 4px 0 8px;
  font-size: clamp(23px, 2vw, 30px);
  line-height: 1.25;
}

.tag {
  display: inline-block;
  margin: 0;
  color: var(--teal);
  font-weight: 700;
}

.tag.muted { color: var(--amber); }

.chips {
  gap: 8px;
  flex-wrap: wrap;
  margin: 18px 0;
}

.chips span {
  padding: 5px 10px;
  border-radius: 999px;
  background: #edf2f7;
  color: #334155;
  font-size: 13px;
}

.text-link {
  color: var(--cyan);
  font-weight: 700;
}

.cta-band {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  margin: 0 clamp(18px, 5vw, 72px) 72px;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--navy);
  color: white;
}

.cta-band p { color: #cbd5e1; }

.case {
  padding-bottom: 72px;
}

.back-link {
  display: inline-flex;
  margin: 28px clamp(18px, 5vw, 72px) 0;
  color: var(--cyan);
  font-weight: 700;
}

.case-grid {
  padding: 0 clamp(18px, 5vw, 72px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.note {
  margin: 22px clamp(18px, 5vw, 72px) 0;
  padding: 22px;
  border: 1px solid #bae6fd;
  border-radius: var(--radius);
  background: #f0f9ff;
  color: #075985;
}

@media (max-width: 900px) {
  .hero, .portfolio-hero, .case-hero,
  .work-grid, .feature-grid, .service-grid, .case-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav { flex-wrap: wrap; }

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

@media (max-width: 520px) {
  .hero h1, .portfolio-hero h1, .case h1 { font-size: 34px; }
  .feature-grid article, .service-grid article, .case-grid article { min-height: auto; padding: 20px; }
  .filters { padding-top: 18px; }
}