@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

:root {
  --bg: #f5f6f3;
  --surface: #ffffff;
  --ink: #111613;
  --muted: #5e6762;
  --line: #d9ddd8;
  --accent: #1f6f5b;
  --accent-dark: #174f42;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "DM Sans", system-ui, sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }

.site-header {
  max-width: var(--max);
  margin: auto;
  padding: 26px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
}
.brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid var(--ink);
  font: 600 11px "JetBrains Mono", monospace;
}
nav { display: flex; gap: 28px; font-size: 14px; color: var(--muted); }
nav a:hover { color: var(--ink); }

.section {
  max-width: var(--max);
  margin: auto;
  padding: 110px 28px;
}
.hero {
  min-height: 75vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 80px;
  position: relative;
}
.hero:before {
  content: "";
  position: absolute;
  inset: 20px 0 auto auto;
  width: 42%;
  height: 70%;
  opacity: .35;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom left, black, transparent 75%);
  pointer-events: none;
}
.eyebrow, .case-meta, .card-number {
  font: 600 11px/1.2 "JetBrains Mono", monospace;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent);
}
.hero h1 {
  max-width: 900px;
  font-size: clamp(46px, 6.5vw, 82px);
  line-height: .99;
  letter-spacing: -.055em;
  margin: 24px 0;
  position: relative;
}
.hero-lead {
  max-width: 720px;
  font-size: 20px;
  color: var(--muted);
  margin: 0;
  position: relative;
}
.hero-actions { display: flex; gap: 24px; align-items: center; margin-top: 38px; position: relative; }
.button {
  display: inline-flex;
  padding: 14px 20px;
  border-radius: 2px;
  font-weight: 600;
}
.button.primary { background: var(--ink); color: white; }
.button.primary:hover { background: var(--accent-dark); }
.text-link { font-weight: 600; }
.hero-note {
  margin-top: 90px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 500 11px "JetBrains Mono", monospace;
  letter-spacing: .04em;
}

.section-heading { max-width: 800px; margin-bottom: 55px; }
h2 {
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: -.04em;
  margin: 18px 0 0;
}
h3 { font-size: 22px; line-height: 1.15; margin: 18px 0 12px; letter-spacing: -.02em; }
p { color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.card {
  background: var(--surface);
  padding: 38px;
  min-height: 250px;
}
.card p { max-width: 470px; }

.approach { background: var(--ink); color: white; max-width: none; padding-left: max(28px, calc((100vw - var(--max)) / 2 + 28px)); padding-right: max(28px, calc((100vw - var(--max)) / 2 + 28px)); }
.approach p { color: #b9c2bd; }
.approach .section-heading { max-width: 760px; }
.approach .eyebrow { color: #77b7a3; }
.steps { max-width: 1000px; border-top: 1px solid #38413d; }
.step { display: grid; grid-template-columns: 90px 1fr; padding: 30px 0; border-bottom: 1px solid #38413d; }
.step > span { font: 600 12px "JetBrains Mono", monospace; color: #77b7a3; }
.step h3 { margin-top: 0; }

.case-list { border-top: 1px solid var(--line); }
.case { padding: 34px 0; border-bottom: 1px solid var(--line); max-width: 900px; }
.case h3 { font-size: 30px; margin-top: 12px; }
.case p { max-width: 820px; }

.profile {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 100px;
  border-top: 1px solid var(--line);
}
.profile-copy { font-size: 18px; }
.tech-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.tech-list span {
  border: 1px solid var(--line);
  padding: 7px 10px;
  font: 500 11px "JetBrains Mono", monospace;
  color: var(--ink);
  background: var(--surface);
}

.contact { text-align: center; padding-top: 120px; padding-bottom: 130px; }
.contact h2 { max-width: 750px; margin-left: auto; margin-right: auto; }
.contact > p { max-width: 600px; margin: 25px auto; font-size: 18px; }
.contact-placeholder {
  display: inline-block;
  margin-top: 20px;
  padding: 18px 22px;
  border: 1px dashed var(--line);
  text-align: left;
  background: var(--surface);
}
.contact-placeholder p { margin: 6px 0 0; font-size: 14px; }

footer {
  max-width: var(--max);
  margin: auto;
  padding: 25px 28px 35px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 760px) {
  .site-header { padding: 20px; }
  nav { display: none; }
  .section { padding: 75px 20px; }
  .hero { min-height: 80vh; padding-top: 45px; }
  .hero h1 { font-size: 47px; }
  .hero-lead { font-size: 18px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-note { margin-top: 55px; }
  .cards { grid-template-columns: 1fr; }
  .card { min-height: 0; padding: 30px; }
  .step { grid-template-columns: 55px 1fr; }
  .profile { grid-template-columns: 1fr; gap: 30px; }
  footer { margin: 0 20px; padding-left: 0; padding-right: 0; }
}