:root {
  --bg: #f7f8fb;
  --bg-alt: #eef1f7;
  --surface: #ffffff;
  --text: #121826;
  --muted: #4b5568;
  --border: #dde2ec;
  --accent: #0f766e;
  --accent-strong: #0b5f58;
  --accent-soft: #d8f0ed;
  --on-accent: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 4px 16px rgb(16 24 40 / 6%);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --bg-alt: #0f1829;
    --surface: #131d31;
    --text: #e6eaf2;
    --muted: #a3adc2;
    --border: #233049;
    --accent: #2dd4bf;
    --accent-strong: #5eead4;
    --accent-soft: #10302f;
    --on-accent: #062925;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 6px 20px rgb(0 0 0 / 25%);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); font-weight: 750; max-width: 18ch; }
h1 em { font-style: normal; color: var(--accent); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--surface); padding: 8px 12px; border-radius: 8px;
}
.skip:focus { left: 16px; z-index: 100; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.brand:hover { color: var(--text); }
nav { display: flex; align-items: center; gap: 22px; }
nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
nav a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; border-radius: 10px;
  background: var(--accent); color: var(--on-accent);
  font-weight: 650; text-decoration: none; border: 1px solid var(--accent);
  transition: background .15s ease, transform .15s ease;
}
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--on-accent); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface); color: var(--text); border-color: var(--muted); }
nav .btn-small, nav .btn-small:hover { padding: 8px 14px; font-size: .9rem; color: var(--on-accent); }

/* Hero */
.hero { padding: clamp(56px, 10vw, 120px) 0 clamp(48px, 8vw, 96px); }
.eyebrow { color: var(--accent); font-weight: 650; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; }
.lede { font-size: clamp(1.05rem, 2vw, 1.2rem); color: var(--muted); max-width: 62ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 48px; }
.stats { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 760px; }
.stats li { border-left: 3px solid var(--accent); padding: 4px 0 4px 14px; }
.stats strong { display: block; font-size: 1.5rem; }
.stats span { color: var(--muted); font-size: .92rem; }

/* Sections */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section-lede { color: var(--muted); max-width: 62ch; margin-bottom: 32px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.card p { color: var(--muted); margin: 0; }

.work { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.work-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.work-item p:last-child { color: var(--muted); margin: 0; }
.tag {
  display: inline-block; font-size: .78rem; font-weight: 650; letter-spacing: .03em;
  color: var(--accent-strong); background: var(--accent-soft);
  padding: 3px 10px; border-radius: 999px; margin-bottom: 12px;
}

.steps { list-style: none; padding: 0; margin: 0 0 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.steps li { counter-increment: step; padding-top: 14px; border-top: 2px solid var(--border); }
.steps li::before { content: "0" counter(step); display: block; color: var(--accent); font-weight: 750; font-size: .9rem; margin-bottom: 6px; }
.steps p { color: var(--muted); margin: 0; }

.sub { margin-top: 8px; }
.badges { list-style: none; padding: 0; margin: 0 0 32px; display: flex; flex-wrap: wrap; gap: 10px; }
.badges li { background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; font-size: .92rem; }
.tools { color: var(--muted); max-width: 80ch; }

/* Contact */
.contact { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; }
.contact-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 12px; align-items: flex-start;
}
.contact-label { margin: 0; color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; }
.contact-email { font-size: 1.3rem; font-weight: 650; word-break: break-all; }

/* Footer */
.site-footer { padding: 28px 0; color: var(--muted); font-size: .9rem; }
.footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer p { margin: 0; }

/* 404 */
.not-found { min-height: 70vh; display: grid; place-content: center; text-align: center; padding: 48px 0; }
.not-found h1 { margin-inline: auto; }

/* Responsive */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  nav a:not(.btn) { display: none; }
  .grid, .work, .steps, .contact { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
  .btn:hover { transform: none; }
}