:root {
  --hg-ink: #111111;
  --hg-blue: #2f7df6;
  --hg-blue-deep: #1a63d8;
  --hg-blue-soft: #eef4ff;
  --hg-clinical: #117744;
  --hg-clinical-soft: #f4fbf7;
  --hg-success: #1a7f4b;
  --hg-danger: #d70015;
  --bg: #f3f4f6;
  --surface: #ffffff;
  --text: #111111;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(17,17,17,.06);
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--hg-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

#hg-env-banner {
  position: sticky;
  top: 0;
  z-index: 4000;
  background: #7a4b00;
  color: #fff8e8;
  font-size: 13px;
  padding: 0.45rem 1rem;
  text-align: center;
}
#hg-env-banner a { color: #fff; text-decoration: underline; }

.demo-page { background: #f4fbf7; }
.demo-shell {
  max-width: 42rem;
  margin: 4rem auto;
  padding: 2rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.demo-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hg-clinical);
}
.demo-lede { color: var(--muted); }
.demo-meta { font-size: 0.9rem; color: var(--muted); }
.demo-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.25rem 0; }
.demo-note { font-size: 0.9rem; color: var(--muted); }
.demo-note code { font-size: 0.85em; }

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--hg-ink);
}
.logo:hover { text-decoration: none; color: var(--hg-ink); }
.logo-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--hg-ink);
}
.logo-mark.on-ink { color: #fff; }
.logo-word {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.logo-stack { display: flex; flex-direction: column; gap: 0.15rem; }
.logo-tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.01em;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.nav-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.btn {
  font: inherit;
  padding: 0.55rem 1.05rem;
  border-radius: 980px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}
.btn:hover { background: #f9fafb; text-decoration: none; }
.btn:active { transform: scale(0.98); }
a.btn { text-decoration: none; color: var(--text); }
a.btn:hover { text-decoration: none; }
.btn.primary {
  background: var(--hg-ink);
  color: #fff;
  border-color: var(--hg-ink);
}
a.btn.primary,
a.btn.primary:hover {
  color: #fff;
}
.btn.primary:hover { background: #000; border-color: #000; }
.btn.blue {
  background: var(--hg-blue);
  color: #fff;
  border-color: var(--hg-blue);
}
a.btn.blue,
a.btn.blue:hover {
  color: #fff;
}
.btn.blue:hover { background: var(--hg-blue-deep); border-color: var(--hg-blue-deep); }

.shell { max-width: 1140px; margin: 0 auto; padding: 2rem 1.5rem 3rem; }
.shell-narrow { max-width: 420px; margin: 0 auto; padding: 2.5rem 1.5rem 3rem; }
h1 { margin: 0 0 0.35rem; font-size: 1.75rem; font-weight: 700; letter-spacing: -0.02em; }
h2 { margin: 0 0 0.65rem; font-size: 1.15rem; font-weight: 650; letter-spacing: -0.01em; }
.muted { color: var(--muted); font-size: 0.92rem; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.45rem;
  box-shadow: var(--shadow);
}
.form-row { margin-bottom: 0.9rem; }
label { display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 0.35rem; font-weight: 500; }
input, select, textarea {
  font: inherit;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 100%;
  background: var(--surface);
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--hg-blue-soft);
  border-color: var(--hg-blue);
}
.error { color: var(--hg-danger); font-size: 0.9rem; }
.success { color: var(--hg-success); font-size: 0.9rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.hidden { display: none !important; }

/* Landing */
.landing-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
  padding: 2.5rem 0 3rem;
  min-height: min(78vh, 700px);
}
.landing-hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 12ch;
  margin-bottom: 1rem;
}
.landing-hero .lede {
  max-width: 40ch;
  color: var(--muted);
  font-size: 1.08rem;
  margin: 0 0 1.5rem;
}
.preview-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
a.preview-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s ease, transform 0.1s ease;
}
a.preview-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}
.preview-card .preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}
.preview-badge {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--hg-clinical);
  background: var(--hg-clinical-soft);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
}
.preview-metric {
  font-size: 2rem;
  font-weight: 700;
  color: var(--hg-clinical);
  letter-spacing: 0.03em;
}
.preview-list { margin: 0; padding: 0; list-style: none; }
.preview-list li {
  display: flex;
  gap: 0.65rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid #f0f1f3;
  font-size: 0.92rem;
}
.preview-list li:last-child { border-bottom: none; }
.preview-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--hg-blue);
  margin-top: 0.45rem;
  flex-shrink: 0;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2.5rem 0;
}
.workflow-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
}
.workflow-step .step-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--hg-blue);
  margin-bottom: 0.45rem;
}
.workflow-step h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.workflow-step p { margin: 0; font-size: 0.9rem; color: var(--muted); }

.trust-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}
.trust-panel {
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--border);
}
.trust-panel.dark {
  background: var(--hg-ink);
  color: #fff;
  border-color: var(--hg-ink);
}
.trust-panel.dark .muted { color: #9ca3af; }
.trust-panel.dark .logo { color: #fff; }

.disclaimer-foot {
  margin-top: 2rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid #ffd4d4;
  background: #fff8f8;
  font-size: 0.84rem;
  color: #555;
  max-width: 65ch;
}
.site-footer {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--muted);
}
.auth-links { margin-top: 1rem; font-size: 0.9rem; }
.auth-links a { margin-right: 1rem; }

/* Auth split layout */
.auth-page { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-brand {
  background: var(--hg-ink);
  color: #fff;
  padding: 2.5rem 2.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.auth-brand .logo { color: #fff; }
.auth-brand h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  max-width: 16ch;
  line-height: 1.12;
  margin: 2rem 0 0.85rem;
  letter-spacing: -0.02em;
}
.auth-brand .brand-copy { max-width: 34ch; color: #9ca3af; font-size: 0.98rem; }

.auth-form-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  background: var(--bg);
}
.auth-form-wrap .card { width: 100%; max-width: 400px; }
.auth-form-wrap .mobile-logo { display: none; margin-bottom: 1.25rem; }

/* Mock gallery */
.mock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.mock-tile {
  display: block;
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.mock-tile:hover {
  border-color: var(--hg-blue);
  transform: translateY(-2px);
  text-decoration: none;
}
.mock-tile strong { display: block; margin-bottom: 0.25rem; }
.mock-tile span { color: var(--muted); font-size: 0.88rem; }

@media (max-width: 900px) {
  .landing-hero { grid-template-columns: 1fr; min-height: 0; gap: 2rem; }
  .landing-hero h1 { max-width: none; }
  .workflow { grid-template-columns: 1fr; }
  .trust-band { grid-template-columns: 1fr; }
  .auth-page { grid-template-columns: 1fr; }
  .auth-brand { padding: 1.75rem 1.5rem; min-height: auto; }

  .auth-form-wrap .mobile-logo { display: block; }
}

.hg-why-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: rgba(16, 19, 17, 0.46);
}
.hg-why-dialog {
  width: min(40rem, 100%);
  max-height: min(88vh, 44rem);
  overflow: auto;
  background: #fff;
  color: #171918;
  border-radius: 18px;
  box-shadow: 0 24px 64px rgba(16, 19, 17, 0.22);
  border: 1px solid #e4e7e1;
}
.hg-why-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.1rem 1.2rem 0.75rem;
  border-bottom: 1px solid #e4e7e1;
  position: sticky;
  top: 0;
  background: #fff;
}
.hg-why-kicker {
  margin: 0 0 0.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #6a726c;
}
.hg-why-head h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.hg-why-close {
  border: 1px solid #d8ddd6;
  background: #fff;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font: inherit;
  cursor: pointer;
}
.hg-why-body {
  padding: 0.9rem 1.2rem 1.3rem;
}
.hg-why-body section + section { margin-top: 1rem; }
.hg-why-body h3 {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #6a726c;
}
.hg-why-body ul { margin: 0; padding-left: 1.1rem; }
.hg-why-body li { margin: 0.35rem 0; }
.ask-why-open {
  display: inline-block;
  margin-top: 0.35rem;
  border: 1px solid #d8ddd6;
  background: #fff;
  color: #117744;
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}
.ask-why-open:hover { border-color: #117744; }

@media (max-width: 700px) {
  .hg-why-overlay {
    align-items: flex-end;
    padding: 0;
  }
  .hg-why-dialog {
    width: 100%;
    max-height: 92vh;
    border-radius: 18px 18px 0 0;
  }
}