:root {
  --obsidian: #0A0A0D;
  --navy: #0E1A2F;
  --ink-blue: #07111F;
  --icy-blue: #B7D6F7;
  --cobalt: #1E5BFF;
  --frost: #E6F0FA;
  --silver: #B8C5D6;
  --white: #FFFFFF;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--obsidian);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ─────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 60px;
  background: linear-gradient(to bottom, rgba(10,10,13,0.95) 0%, transparent 100%);
}

.nav-logo {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--white);
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--silver);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.25s ease;
}

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

/* ── ARTICLE HEADER ──────────────────────────────── */
.article-hero {
  position: relative;
  padding: 180px 32px 80px;
  text-align: center;
  background: var(--obsidian);
  overflow: hidden;
}

.article-hero-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(183,214,247,0.08) 0%, rgba(30,91,255,0.04) 45%, transparent 70%);
  pointer-events: none;
}

.article-hero-inner { position: relative; max-width: 760px; margin: 0 auto; }

.article-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--icy-blue);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.article-hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.article-hero h1 em { font-style: normal; color: var(--icy-blue); }

.article-lede {
  font-size: 15px;
  font-weight: 400;
  color: var(--silver);
  letter-spacing: 0.03em;
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

/* ── ARTICLE BODY ────────────────────────────────── */
.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 32px 90px;
}

.article h2 {
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--white);
  margin: 64px 0 18px;
  line-height: 1.35;
}

.article h2:first-child { margin-top: 24px; }

.article p {
  font-size: 14px;
  font-weight: 400;
  color: var(--silver);
  line-height: 1.85;
  margin-bottom: 18px;
}

.article p strong { color: var(--frost); font-weight: 500; }

.article a { color: var(--icy-blue); text-decoration: none; border-bottom: 1px solid rgba(183,214,247,0.3); }
.article a:hover { border-bottom-color: var(--icy-blue); }

.article ul {
  list-style: none;
  margin: 0 0 18px;
}

.article ul li {
  font-size: 14px;
  color: var(--silver);
  line-height: 1.8;
  padding-left: 22px;
  position: relative;
  margin-bottom: 10px;
}

.article ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--cobalt);
}

/* day-by-day / placement table */
.timeline-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 24px;
}

.timeline-table th {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--icy-blue);
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(183,214,247,0.25);
}

.timeline-table td {
  font-size: 13px;
  color: var(--silver);
  line-height: 1.7;
  padding: 14px;
  border-bottom: 1px solid rgba(183,214,247,0.08);
  vertical-align: top;
}

.timeline-table td:first-child {
  color: var(--frost);
  font-weight: 500;
  white-space: nowrap;
}

/* callout — the reassurance beat */
.callout {
  border-left: 2px solid var(--cobalt);
  background: rgba(183,214,247,0.04);
  padding: 22px 26px;
  margin: 28px 0;
}

.callout p { margin-bottom: 0; color: var(--frost); }

/* warning — see a professional */
.warning {
  border: 1px solid rgba(183,214,247,0.15);
  background: rgba(14,26,47,0.5);
  padding: 22px 26px;
  margin: 28px 0;
}

.warning p { margin-bottom: 0; font-size: 13px; }

.warning strong {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--icy-blue);
  margin-bottom: 10px;
}

/* ── FAQ ─────────────────────────────────────────── */
.faq { margin-top: 12px; }

.faq details {
  border-bottom: 1px solid rgba(183,214,247,0.1);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--frost);
  padding: 20px 28px 20px 0;
  position: relative;
  letter-spacing: 0.02em;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--icy-blue);
  font-weight: 300;
  font-size: 18px;
}

.faq details[open] summary::after { content: "−"; }

.faq details p {
  padding-bottom: 20px;
  margin-bottom: 0;
}

/* ── UNINKD BRIDGE ───────────────────────────────── */
.bridge {
  background: var(--navy);
  border: 1px solid rgba(183,214,247,0.1);
  border-top: 1px solid rgba(183,214,247,0.35);
  padding: 44px 40px;
  margin: 64px 0 0;
}

.bridge .article-label { margin-bottom: 16px; }

.bridge h2 {
  margin: 0 0 16px;
  font-size: 1.25rem;
  font-weight: 400;
}

.bridge p { font-size: 13.5px; }

.bridge .disclaimer {
  font-size: 11px;
  color: rgba(184,197,214,0.5);
  line-height: 1.7;
  margin: 18px 0 0;
}

/* ── SIGNUP ──────────────────────────────────────── */
.signup-form {
  display: flex;
  gap: 0;
  max-width: 480px;
  margin: 28px 0 14px;
}

.signup-input {
  flex: 1;
  background: rgba(183,214,247,0.04);
  border: 1px solid rgba(183,214,247,0.15);
  border-right: none;
  padding: 14px 20px;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--white);
  outline: none;
  transition: border-color 0.25s ease;
}

.signup-input::placeholder { color: rgba(184,197,214,0.4); }
.signup-input:focus { border-color: rgba(183,214,247,0.5); }

.signup-btn {
  background: var(--cobalt);
  border: 1px solid var(--cobalt);
  padding: 14px 28px;
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.signup-btn:hover {
  background: #2d6aff;
  box-shadow: 0 0 28px rgba(30,91,255,0.4);
}

.signup-note {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: rgba(184,197,214,0.45);
  text-transform: uppercase;
}

/* ── RELATED ─────────────────────────────────────── */
.related {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px 100px;
}

.related h3 {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--icy-blue);
  text-transform: uppercase;
  margin-bottom: 22px;
}

.related ul { list-style: none; }

.related li { border-bottom: 1px solid rgba(183,214,247,0.08); }

.related a {
  display: block;
  padding: 16px 0;
  font-size: 14px;
  color: var(--silver);
  text-decoration: none;
  transition: color 0.2s ease;
}

.related a:hover { color: var(--white); }

/* ── HUB (heal index) ────────────────────────────── */
.hub-list {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 32px 100px;
  list-style: none;
}

.hub-list li { border-bottom: 1px solid rgba(183,214,247,0.1); }

.hub-list a {
  display: block;
  padding: 28px 0;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.hub-list a:hover .hub-q { color: var(--icy-blue); }

.hub-q {
  font-size: 16px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}

.hub-a {
  font-size: 13px;
  color: var(--silver);
  line-height: 1.7;
}

/* ── FOOTER ──────────────────────────────────────── */
footer {
  background: var(--obsidian);
  border-top: 1px solid rgba(183,214,247,0.06);
  padding: 28px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

footer span {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: rgba(184,197,214,0.35);
  text-transform: uppercase;
}

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 860px) {
  nav { padding: 24px 28px; }
  .nav-links { gap: 24px; }
  .article-hero { padding: 150px 24px 60px; }
  .article { padding: 28px 24px 70px; }
  .signup-form { flex-direction: column; }
  .signup-input { border-right: 1px solid rgba(183,214,247,0.15); border-bottom: 1px solid rgba(183,214,247,0.15); }
  footer { padding: 24px 28px; }
}

@media (max-width: 560px) {
  .nav-links { display: none; }
  .timeline-table td, .timeline-table th { padding: 10px 8px; }
}