:root {
  --bg: #e7eef3;
  --bg-deep: #d5e0e8;
  --ink: #0b1f33;
  --ink-soft: #243948;
  --muted: #4d6170;
  --line: rgba(11, 31, 51, 0.14);
  --panel: rgba(255, 252, 247, 0.78);
  --panel-solid: #fffcf7;
  --signal: #0c6f74;
  --signal-deep: #085458;
  --signal-soft: #d7eff0;
  --focus: #b45309;
  --shadow: 0 18px 50px rgba(11, 31, 51, 0.08);
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  background:
    linear-gradient(180deg, rgba(231, 238, 243, 0.35), rgba(231, 238, 243, 0.92)),
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 47px,
      rgba(11, 31, 51, 0.045) 47px,
      rgba(11, 31, 51, 0.045) 48px
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 47px,
      rgba(11, 31, 51, 0.045) 47px,
      rgba(11, 31, 51, 0.045) 48px
    ),
    radial-gradient(1200px 700px at 12% -8%, #c9dde8 0%, transparent 58%),
    radial-gradient(900px 600px at 100% 0%, #b9d4cf 0%, transparent 50%),
    var(--bg);
  background-attachment: fixed;
  min-height: 100vh;
}

a {
  color: var(--signal-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.wrap {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 0 0.85rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.15rem;
  font-size: 0.95rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

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

.hero {
  position: relative;
  padding: clamp(3.2rem, 8vw, 5.6rem) 0 clamp(2.4rem, 5vw, 3.4rem);
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 8% -4% auto auto;
  width: min(46vw, 420px);
  height: min(46vw, 420px);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(12, 111, 116, 0.22), transparent 58%),
    conic-gradient(from 210deg, rgba(11, 31, 51, 0.08), transparent 40%, rgba(12, 111, 116, 0.12), transparent 75%);
  filter: blur(2px);
  z-index: -1;
  animation: drift 18s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) rotate(0deg); }
  to { transform: translate3d(-18px, 22px, 0) rotate(8deg); }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-brand,
.kicker,
.hero h1,
.hero .lede,
.hero .actions {
  animation: rise 0.7s ease both;
}

.hero-brand { animation-delay: 0.05s; }
.kicker { animation-delay: 0.12s; }
.hero h1 { animation-delay: 0.18s; }
.hero .lede { animation-delay: 0.26s; }
.hero .actions { animation-delay: 0.34s; }

.hero-brand {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 0.95;
  color: var(--ink);
  max-width: 12ch;
}

.kicker {
  margin: 0 0 0.85rem;
  color: var(--signal-deep);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.55rem, 3.4vw, 2.15rem);
  font-weight: 560;
  max-width: 22ch;
}

h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.45rem, 2.6vw, 1.85rem);
}

h3 {
  margin: 0 0 0.4rem;
  font-size: 1.2rem;
}

.lede {
  margin: 0;
  max-width: 58ch;
  color: var(--ink-soft);
  font-size: 1.12rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.55rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1.05rem;
  border: 1px solid var(--signal);
  background: var(--signal);
  color: #f7fffe;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
  box-shadow: 0 8px 20px rgba(12, 111, 116, 0.18);
}

.btn:hover {
  color: #f7fffe;
  background: var(--signal-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
  box-shadow: none;
}

.btn-ghost:hover {
  color: var(--ink);
  background: rgba(255, 252, 247, 0.7);
  border-color: rgba(11, 31, 51, 0.28);
}

.section {
  padding: 2.35rem 0;
  border-top: 1px solid var(--line);
}

.section-intro {
  margin: 0 0 1.2rem;
  max-width: 62ch;
  color: var(--muted);
}

.feature {
  display: grid;
  gap: 1.25rem;
  padding: 1.35rem 1.4rem 1.45rem;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.feature-meta {
  margin: 0 0 0.55rem;
  color: var(--signal-deep);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.feature p {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
  max-width: 65ch;
}

.sector-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 1rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.sector-list a {
  display: block;
  padding: 0.7rem 0.8rem;
  background: var(--panel-solid);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  font-weight: 650;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.sector-list a:hover {
  border-color: rgba(12, 111, 116, 0.45);
  background: var(--signal-soft);
}

.sector-list span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.proof-grid li {
  padding: 1rem 1.05rem;
  background: var(--panel);
  border: 1px solid var(--line);
}

.proof-grid strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.proof-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.skill-table {
  width: 100%;
  border-collapse: collapse;
}

.skill-table th,
.skill-table td {
  padding: 0.75rem 0.55rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.skill-table th {
  width: 34%;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.skill-table td {
  color: var(--ink-soft);
}

.notice {
  margin: 0;
  padding: 0.85rem 0 0.85rem 1rem;
  border-left: 3px solid var(--signal);
  color: var(--muted);
  max-width: 70ch;
}

.prose ul {
  margin: 0.6rem 0 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.prose li + li { margin-top: 0.35rem; }

.truth-box {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.truth-box article {
  padding: 0.95rem 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
}

.truth-box h3 {
  margin-bottom: 0.45rem;
  font-size: 1.05rem;
}

.truth-box p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

footer {
  padding: 2rem 0 2.6rem;
  color: var(--muted);
  font-size: 0.95rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 820px) {
  .sector-list,
  .proof-grid,
  .truth-box { grid-template-columns: 1fr; }

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

  .skill-table th { width: 40%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero::before { animation: none; }
  .hero-brand,
  .kicker,
  .hero h1,
  .hero .lede,
  .hero .actions {
    animation: none;
  }
}