:root {
  --blue: #118AB2;
  --blue-dark: #0d6d8f;
  --red: #EF476F;
  --yellow: #FFD166;
  --green: #06D6A0;
  --ink: #073B4C;
  --ink-soft: #3d6373;
  --paper: #ffffff;
  --paper-soft: #f4f8fa;
  --line: #dce6ea;
  --font-main: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
}

.dot-pattern {
  background-image: radial-gradient(var(--line) 1px, transparent 0);
  background-size: 24px 24px;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.accent { color: var(--blue); }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 24px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; }

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

.brand-mark-dark { background: var(--ink); }

.brand-name {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.nav-links { display: flex; gap: 32px; }

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.nav-links a:hover { color: var(--blue); }

/* Hero */
.hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-soft);
}

.hero-inner { text-align: center; max-width: 760px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #e8f5f9;
  color: var(--blue-dark);
  border: 1px solid #c9e7ee;
  padding: 6px 14px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}

h1 {
  font-size: 52px;
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0 0 24px;
}

.lede {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto 40px;
}

.hero-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }

.btn-secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); }

/* Sections */
.section { padding: 88px 0; }

h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

.body-text { color: var(--ink-soft); font-size: 17px; max-width: 46ch; }

/* Philosophy */
.philosophy-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.check-list { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }

.check-list li { display: flex; gap: 14px; align-items: flex-start; }

.check {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: #e8f5f9;
  color: var(--blue-dark);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.compare-card {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px;
  display: flex;
  gap: 24px;
}

.compare-col { flex: 1; }

.compare-divider { width: 1px; background: var(--line); }

.compare-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.compare-label.accent { color: var(--blue); }
.compare-col.muted .compare-label { color: var(--ink-soft); }

.compare-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; font-size: 14px; }

.compare-col.muted .compare-list { color: var(--ink-soft); }

/* Portfolio */
.portfolio-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-group {
  display: flex;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 4px;
}

.filter-btn {
  border: none;
  background: transparent;
  padding: 8px 16px;
  border-radius: 7px;
  font-weight: 700;
  font-size: 13px;
  color: var(--ink-soft);
  cursor: pointer;
}

.filter-btn.is-active { background: #fff; color: var(--blue); box-shadow: 0 1px 2px rgba(7, 59, 76, 0.08); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.product-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: var(--blue);
  box-shadow: 0 14px 24px -12px rgba(7, 59, 76, 0.18);
}

.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 14px; }

.card-category {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  background: var(--paper-soft);
  border: 1px solid var(--line);
  padding: 2px 8px;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 8px;
}

.card-name { font-size: 21px; font-weight: 800; margin: 0; }

.status-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  padding: 5px 10px;
  border-radius: 8px;
  flex: none;
}

.status-dot { width: 8px; height: 8px; border-radius: 999px; }
.status-dot.live { background: var(--green); }
.status-dot.dev { background: var(--yellow); }
.status-dot.concept { background: var(--red); }

.status-text { font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-soft); }

.card-desc { color: var(--ink-soft); font-size: 15px; margin: 0; }

.portfolio-note { margin-top: 32px; font-size: 13px; color: var(--ink-soft); font-family: var(--font-mono); }

/* Approach / dark section */
.section-dark { background: var(--ink); color: #eaf3f6; }

.approach-head { text-align: center; max-width: 620px; margin: 0 auto 64px; }
.section-dark h2 { color: #fff; }
.body-text-inverse { color: #a9c4cf; font-size: 18px; }

.approach-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }

.approach-num { font-family: var(--font-mono); color: var(--blue); font-size: 28px; font-weight: 800; margin-bottom: 14px; }

.approach-item h3 { font-size: 18px; margin: 0 0 10px; }
.approach-item p { color: #a9c4cf; font-size: 15px; margin: 0; }

/* Footer */
.footer { padding: 64px 0; border-top: 1px solid var(--line); }
.footer-inner { text-align: center; }
.footer .brand { justify-content: center; margin-bottom: 20px; }
.footer-tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 8px; }
.footer-copy { font-size: 12px; color: #9fb2ba; margin: 0; }

@media (max-width: 760px) {
  .nav-links { display: none; }
  h1 { font-size: 36px; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 40px; }
  .compare-card { flex-direction: column; }
  .compare-divider { display: none; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; gap: 32px; }
}