:root {
  --obsidian: #080808;
  --signal: #7A6FFB;
  --signal-light: #A89DFF;
  --linen: #F0EDE4;
  --deep-navy: #1A1A2E;
  --stone: #C8C4B8;
  --panel: rgba(240, 237, 228, 0.08);
  --panel-strong: rgba(240, 237, 228, 0.14);
  --line: rgba(240, 237, 228, 0.18);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.36);
  --radius-lg: 32px;
  --radius-md: 22px;
  --font-display: "Big Shoulders Display", Impact, sans-serif;
  --font-sans: "Instrument Sans", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--linen);
  background:
    radial-gradient(circle at top left, rgba(122, 111, 251, 0.28), transparent 36rem),
    radial-gradient(circle at 80% 10%, rgba(168, 157, 255, 0.14), transparent 30rem),
    linear-gradient(135deg, var(--obsidian), var(--deep-navy));
  font-family: var(--font-sans);
  line-height: 1.55;
  min-height: 100vh;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  background: var(--linen);
  color: var(--obsidian);
  border-radius: 999px;
}
.skip-link:focus { top: 1rem; }

.shell {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}
.section-pad { padding: clamp(64px, 9vw, 112px) 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(18px);
  background: rgba(8, 8, 8, 0.76);
  border-bottom: 1px solid var(--line);
}
.nav-shell,
.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 16px 0;
}
.brand img { width: 152px; height: auto; }
.top-nav { display: flex; gap: 1rem; color: var(--stone); font-size: 0.95rem; }
.top-nav a { text-decoration: none; }
.top-nav a:hover { color: var(--linen); }

.hero-grid,
.split,
.process-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}
.eyebrow,
.card-tag,
.panel-kicker {
  margin: 0 0 1rem;
  color: var(--signal-light);
  font: 700 0.78rem/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2 {
  font-family: var(--font-display);
  line-height: 0.92;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}
h1 { font-size: clamp(4.2rem, 13vw, 9.2rem); margin-bottom: 1.5rem; }
h2 { font-size: clamp(3.1rem, 8vw, 6.4rem); margin-bottom: 1rem; }
h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.lead { max-width: 680px; color: var(--stone); font-size: clamp(1.1rem, 2vw, 1.35rem); }
.lead-small { color: var(--stone); font-size: 1.08rem; }
.copy-block { color: var(--stone); font-size: 1.06rem; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }
.button,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  padding: 0.8rem 1.15rem;
  font-weight: 700;
  text-decoration: none;
}
.button-primary { background: var(--signal); color: white; box-shadow: 0 14px 38px rgba(122, 111, 251, 0.36); }
.button-secondary { border: 1px solid var(--line); color: var(--linen); background: rgba(240, 237, 228, 0.04); }
.text-link { margin-top: 1rem; background: var(--linen); color: var(--obsidian); }

.hero-panel,
.hub-card,
.timeline article {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.hero-panel { padding: clamp(24px, 4vw, 36px); }
.hero-panel ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.hero-panel li { display: grid; grid-template-columns: 54px 1fr; gap: 1rem; color: var(--stone); }
.hero-panel li span { color: var(--signal-light); font-family: var(--font-mono); }

.muted { background: rgba(240, 237, 228, 0.045); border-block: 1px solid var(--line); }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.hub-card {
  min-height: 260px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.hub-card:hover { transform: translateY(-4px); border-color: rgba(168, 157, 255, 0.7); background: rgba(122, 111, 251, 0.14); }
.hub-card strong { font-size: 1.35rem; }
.hub-card span:last-child { color: var(--stone); }

.diagnosis-shell { align-items: start; }
.diagnosis-intro { margin-top: 1.25rem; }
.diagnosis-form {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: clamp(22px, 4vw, 34px);
  display: grid;
  gap: 0.85rem;
}
.form-note,
.form-feedback,
.noscript-note { color: var(--stone); margin-bottom: 0.35rem; }
.diagnosis-form label,
.diagnosis-form legend { font-weight: 700; color: var(--linen); }
.diagnosis-form input,
.diagnosis-form select,
.diagnosis-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(8, 8, 8, 0.46);
  color: var(--linen);
  font: inherit;
  padding: 0.86rem 0.95rem;
}
.diagnosis-form textarea { resize: vertical; min-height: 118px; }
.diagnosis-form input:focus,
.diagnosis-form select:focus,
.diagnosis-form textarea:focus {
  outline: 2px solid var(--signal-light);
  outline-offset: 2px;
}
.diagnosis-form fieldset {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
  display: grid;
  gap: 0.55rem;
}
.check-option {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--stone);
  font-weight: 500 !important;
}
.check-option input { width: auto; }
.form-feedback { min-height: 1.5rem; font-size: 0.95rem; }
.noscript-note {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.9rem;
  background: rgba(240, 237, 228, 0.06);
}

.timeline { display: grid; gap: 1rem; }
.timeline article { padding: 1.35rem; border-radius: var(--radius-md); box-shadow: none; }
.timeline article > span { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 999px; background: var(--signal); font-family: var(--font-mono); margin-bottom: 1rem; }
.timeline p { color: var(--stone); margin-bottom: 0; }

.site-footer { border-top: 1px solid var(--line); color: var(--stone); }
.footer-shell { font-size: 0.92rem; }

@media (max-width: 820px) {
  .top-nav { display: none; }
  .hero-grid,
  .split,
  .process-shell,
  .card-grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(3.5rem, 18vw, 5.8rem); }
  h2 { font-size: clamp(2.7rem, 14vw, 4.8rem); }
  .hero-panel li { grid-template-columns: 44px 1fr; }
  .footer-shell { align-items: flex-start; flex-direction: column; }
}