:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(29, 29, 31, 0.12);
  --blue: #0066cc;
  --blue-dark: #004f9f;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 clamp(18px, 5vw, 56px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(180%) blur(18px);
}
.brand {
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 28px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}
.nav a { text-decoration: none; }
.nav a:hover { color: var(--ink); }

.hero, .page-hero, .section, .signal-strip, .footer {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(56px, 8vw, 92px) 0 clamp(34px, 6vw, 64px);
}
.hero-copy { max-width: 680px; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 20px;
  max-width: 720px;
  font-size: clamp(38px, 4.8vw, 58px);
  font-weight: 750;
  line-height: 1.06;
  letter-spacing: -0.045em;
}
h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 720;
  line-height: 1.1;
  letter-spacing: -0.04em;
}
h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.18;
  letter-spacing: -0.02em;
}
.lead {
  max-width: 660px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(18px, 1.8vw, 21px);
  line-height: 1.4;
  letter-spacing: -0.015em;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
}
.button.primary { background: var(--blue); color: white; }
.button.primary:hover { background: var(--blue-dark); }
.button.secondary { background: white; color: var(--blue); box-shadow: inset 0 0 0 1px var(--line); }

.portrait-card {
  justify-self: end;
  width: 280px;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  border-radius: 999px;
  background: #e8e8ed;
  box-shadow: 0 22px 50px rgba(29, 29, 31, 0.14);
}
.portrait-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 28%;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  margin-bottom: clamp(48px, 7vw, 82px);
  border-radius: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.signal-strip div { padding: 24px 20px; border-right: 1px solid var(--line); }
.signal-strip div:last-child { border-right: 0; }
.signal-strip strong {
  display: block;
  margin-bottom: 4px;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.04em;
}
.signal-strip span { display: block; color: var(--muted); font-size: 14px; font-weight: 500; }

.section { padding: clamp(50px, 7vw, 84px) 0; border-top: 1px solid var(--line); }
.section.narrow { max-width: 980px; }
.three-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.three-points article, .work-item { padding: 26px; border-radius: 24px; background: var(--surface); border: 1px solid var(--line); }
.three-points p, .work-item p, .closing p { color: var(--muted); }

.proof-section { display: grid; grid-template-columns: minmax(220px, 0.36fr) minmax(0, 0.64fr); gap: clamp(28px, 6vw, 76px); }
.section-intro { position: sticky; top: 90px; align-self: start; }
.proof-list { display: grid; gap: 18px; }
.proof-list article { padding: 0 0 20px; border-bottom: 1px solid var(--line); }
.proof-list span, .work-meta { display: block; margin-bottom: 8px; color: var(--ink); font-size: 14px; font-weight: 750; }
.proof-list p { margin: 0; color: var(--muted); font-size: 18px; }
.closing { max-width: 840px; }
.closing.compact { text-align: center; }
.text-link { display: inline-flex; margin-top: 10px; color: var(--blue); font-weight: 750; text-decoration: none; }

.page-hero { padding: clamp(62px, 9vw, 104px) 0 clamp(30px, 5vw, 52px); text-align: center; }
.page-hero h1 { margin-left: auto; margin-right: auto; }
.page-hero .lead { margin-left: auto; margin-right: auto; }
.work-list { display: grid; gap: 18px; border-top: 0; padding-top: 18px; }
.work-item { display: grid; grid-template-columns: minmax(230px, 0.35fr) minmax(0, 0.42fr) minmax(190px, 0.23fr); gap: 28px; align-items: start; }
.work-item h2 { margin: 0; font-size: clamp(24px, 3vw, 34px); }
.work-item p { margin: 0; font-size: 17px; }
.work-item ul { margin: 0; padding-left: 18px; color: var(--ink); font-size: 15px; font-weight: 650; }
.work-item li + li { margin-top: 8px; }

.footer { padding: 28px 0 42px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
.footer a { color: var(--blue); text-decoration: none; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 44px; }
  .portrait-card { justify-self: start; width: min(280px, 78vw); }
  .signal-strip, .three-points, .proof-section, .work-item { grid-template-columns: 1fr; }
  .signal-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .signal-strip div:last-child { border-bottom: 0; }
  .section-intro { position: static; }
}
@media (max-width: 620px) {
  .site-header { padding: 0 18px; }
  .nav { gap: 14px; font-size: 13px; }
  .hero, .page-hero, .section, .signal-strip, .footer { width: min(100% - 32px, var(--max)); }
  h1 { font-size: 38px; }
  .button { width: 100%; }
  .three-points article, .work-item { padding: 22px; border-radius: 22px; }
}
