/* ============================================================
   MediclawAI — Marketing Site Styles
   Dark theme: bg #0a0f1a | accent #0ea5e9 (sky) | #10b981 (emerald)
   ============================================================ */

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-base:      #0a0f1a;
  --bg-surface:   #0f1629;
  --bg-card:      #131d35;
  --bg-card-alt:  #0d1526;
  --bg-dark:      #070c17;
  --border:       #1e2d4a;
  --border-glow:  #0ea5e9;

  --text-primary:   #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;

  --blue:     #0ea5e9;
  --blue-dim: #0284c7;
  --blue-glow:#0ea5e930;
  --green:    #10b981;
  --green-dim:#059669;
  --green-glow: #10b98120;
  --purple:   #8b5cf6;
  --amber:    #f59e0b;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(14,165,233,0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; transition: color 0.2s; }
a:hover { color: #38bdf8; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.accent-blue { color: var(--blue); }
.accent-green { color: var(--green); }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dim) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(14,165,233,0.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(14,165,233,0.4);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--bg-surface);
  border-color: var(--blue);
  color: var(--blue);
}

.btn-outline {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.btn-outline:hover {
  background: var(--green-glow);
  color: var(--green);
}

/* --- NAVIGATION --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 15, 26, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}
.logo-icon { font-size: 1.3rem; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }

/* --- HERO --- */
.hero {
  position: relative;
  padding: 140px 0 100px;
  overflow: hidden;
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}
.hero-gradient {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center top, rgba(14,165,233,0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.3);
  border-radius: 999px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-heading {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-proof {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}
.proof-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* --- SECTIONS --- */
.section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.section-dark {
  background: var(--bg-dark);
}
.section-proof {
  background: linear-gradient(180deg, var(--bg-base) 0%, rgba(16,185,129,0.04) 100%);
}
.section-access {
  background: var(--bg-dark);
}
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}
.section-heading {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 56px;
}

/* --- FEATURES GRID --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}
.feature-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-icon svg { width: 24px; height: 24px; }
.icon-blue  { background: rgba(14,165,233,0.12); color: var(--blue); }
.icon-green { background: rgba(16,185,129,0.12); color: var(--green); }
.icon-purple{ background: rgba(139,92,246,0.12); color: var(--purple); }
.icon-amber { background: rgba(245,158,11,0.12); color: var(--amber); }

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- AUDIENCE GRID --- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.audience-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}
.audience-card-featured {
  border-color: var(--blue);
  background: linear-gradient(145deg, var(--bg-card) 0%, rgba(14,165,233,0.06) 100%);
  box-shadow: 0 0 0 1px rgba(14,165,233,0.2), var(--shadow-glow);
}
.audience-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.audience-icon { font-size: 2.5rem; margin-bottom: 16px; }
.audience-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.audience-tagline {
  font-size: 0.9rem;
  color: var(--blue);
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.5;
}
.audience-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.audience-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
  line-height: 1.55;
}
.audience-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--blue);
  font-size: 0.8rem;
}

/* --- COMPARISON TABLE --- */
.comparison-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-bottom: 32px;
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  font-size: 0.9rem;
}
.comparison-table thead tr {
  background: var(--bg-card-alt);
  border-bottom: 1px solid var(--border);
}
.comparison-table th {
  padding: 20px 24px;
  text-align: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.comparison-table th:first-child { text-align: left; }
.comparison-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.comparison-table tbody tr:last-child td { border-bottom: none; }
.comparison-table tbody tr:hover { background: rgba(255,255,255,0.01); }
.feature-name { font-weight: 600; color: var(--text-primary); font-size: 0.9rem; }
.col-ibm, .col-mediclaw { text-align: center; }
.col-mediclaw {
  background: rgba(14,165,233,0.04);
  border-left: 1px solid rgba(14,165,233,0.15);
}
.vendor-label {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}
.vendor-us {
  background: rgba(14,165,233,0.15);
  color: var(--blue);
}
.val-bad { color: #f87171; font-weight: 600; font-size: 0.875rem; }
.val-good { color: var(--green); font-weight: 600; font-size: 0.875rem; }
.val-good small { display: block; color: var(--text-muted); font-size: 0.78rem; font-weight: 400; }
.badge-yes {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(16,185,129,0.1);
  color: var(--green);
  border: 1px solid rgba(16,185,129,0.2);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-no {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(248,113,113,0.08);
  color: #f87171;
  border: 1px solid rgba(248,113,113,0.2);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}
.comparison-footnote {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
  font-style: italic;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.65;
}

/* --- PROOF CARD --- */
.proof-card {
  background: var(--bg-card);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: 0 0 60px rgba(16,185,129,0.06);
}
.proof-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 28px;
}
.proof-logo {
  display: flex;
  align-items: center;
  gap: 16px;
}
.proof-icon { font-size: 2.5rem; }
.proof-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}
.proof-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 2px;
}
.proof-badges { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.badge-patent {
  background: rgba(139,92,246,0.15);
  color: var(--purple);
  border: 1px solid rgba(139,92,246,0.25);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}
.badge-live {
  background: rgba(16,185,129,0.12);
  color: var(--green);
  border: 1px solid rgba(16,185,129,0.2);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}
.proof-body {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
  margin-bottom: 28px;
}
.proof-body p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 12px; }
.proof-body p:last-child { margin-bottom: 0; }
.proof-body strong { color: var(--text-primary); font-weight: 600; }
.proof-body a { color: var(--green); }
.proof-body a:hover { color: #34d399; }

.proof-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 36px;
}
.proof-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.pf-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.proof-feature strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.proof-feature span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.proof-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.proof-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

/* --- WAITLIST FORM --- */
.form-wrapper {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}
.waitlist-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.form-group:last-child { margin-bottom: 24px; }
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-group .required { color: var(--blue); }
.form-group input,
.form-group textarea {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  padding: 12px 16px;
  transition: border-color 0.2s;
  font-family: inherit;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.1);
}
.form-message {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
}
.form-message.success {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  color: var(--green);
}
.form-message.error {
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.25);
  color: #f87171;
}
.form-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 8px;
}
.sidebar-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.sidebar-icon { font-size: 1.3rem; flex-shrink: 0; }
.sidebar-item strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.sidebar-item span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- FOOTER --- */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand { flex: 1; min-width: 200px; }
.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.5;
}
.footer-links, .footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a, .footer-contact a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.footer-links a:hover, .footer-contact a:hover { color: var(--blue); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .form-wrapper { grid-template-columns: 1fr; }
  .form-sidebar { display: none; }
}

@media (max-width: 768px) {
  .hero { padding: 100px 0 72px; }
  .hero-heading { font-size: 2.2rem; }
  .nav-links a:not(.btn) { display: none; }
  .section { padding: 72px 0; }
  .proof-card { padding: 28px 20px; }
  .proof-header { flex-direction: column; }
  .features-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .comparison-table { font-size: 0.8rem; }
  .comparison-table th,
  .comparison-table td { padding: 12px 14px; }
  .footer-inner { flex-direction: column; gap: 28px; }
  .footer-bottom .container { flex-direction: column; gap: 6px; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-proof { flex-direction: column; align-items: center; gap: 8px; }
  .badge-no, .badge-yes { font-size: 0.7rem; padding: 3px 8px; }
  .waitlist-form { padding: 24px 18px; }
}