/* ==========================================================================
   Clarivius (clarivius.com) — Nordic Clinical Clarity Design System
   - Main background canvas: Studio Daylight Stone (#F3F4F6)
   - Elevated card surface: Pure White (#FFFFFF) with 16px radius & soft shadow
   - 100% Unified Sans-Serif Typography with tabular-nums (Zero Monospace/Serif)
   - WCAG 2.2 AA/AAA contrast & keyboard focus rings
   ========================================================================== */

:root {
  /* Surfaces */
  --canvas-bg: #F3F4F6;         /* Studio Daylight Stone main canvas */
  --section-bg: #EAECEF;        /* Alternate breathable section ground */
  --card-bg: #FFFFFF;           /* Crisp floating pure white cards */
  --card-subtle-bg: #F8FAFC;    /* Inner input / match item surface */
  --card-border: rgba(15, 23, 42, 0.07);
  --border-input: #CBD5E1;
  --card-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --showcase-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.10), 0 4px 12px -2px rgba(15, 23, 42, 0.04);

  /* Radii */
  --card-radius: 16px;
  --inner-radius: 12px;
  --btn-radius: 10px;
  --pill-radius: 9999px;

  /* Ink Hierarchy */
  --ink-primary: #0F172A;       /* Slate 900 */
  --ink-secondary: #475569;     /* Slate 600 */
  --ink-muted: #64748B;         /* Slate 500 */

  /* Brand & Clinical Accents */
  --brand-primary: #0F2942;     /* Deep Clinical Navy */
  --brand-primary-hover: #163A5C;
  --brand-accent: #1D4ED8;      /* Optical Blue */
  --brand-pill-bg: #FFFFFF;
  --brand-pill-text: #1E40AF;
  --blue-wash: #EFF6FF;
  --blue-border: #BFDBFE;

  /* Status & Direct Patient Pathway Accents */
  --emerald-ink: #065F46;
  --emerald-accent: #059669;
  --emerald-wash: #ECFDF5;
  --emerald-border: #A7F3D0;

  --patient-bg: #FFFFFF;
  --patient-wash: #F0FDF4;
  --patient-border: #BBF7D0;
  --patient-ink: #14532D;
  --patient-btn: #166534;
  --patient-btn-hover: #14532D;

  --rose-ink: #991B1B;
  --rose-accent: #DC2626;
  --rose-wash: #FEF2F2;
  --rose-border: #FECACA;

  --amber-ink: #92400E;
  --amber-wash: #FEF3C7;
  --amber-border: #FDE68A;

  /* Unified Sans-Serif Stack (Zero Monospace, Zero Serif) */
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Plus Jakarta Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Container */
  --container-max: 1180px;
}

*, *::before, *::after {
  box-sizing: border-box;
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
  overflow-wrap: break-word;
  word-break: normal;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--canvas-bg);
  color: var(--ink-primary);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

html:lang(de) {
  hyphens: auto;
  -webkit-hyphens: auto;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--canvas-bg);
  color: var(--ink-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
}

/* Accessible Focus Ring (WCAG 2.2 AA/AAA) */
:focus-visible {
  outline: 3px solid var(--brand-accent);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--brand-primary);
  color: #FFFFFF;
  padding: 0.65rem 1.25rem;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: var(--btn-radius);
  z-index: 9999;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 0.75rem;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.view-panel {
  display: none;
}

.view-panel.is-active {
  display: block;
}

/* ==========================================================================
   1. Single Clean 72px Sticky Glassmorphic Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-width: 0;
}

/* Header gets a wider container than page content so brand + nav + actions fit
   without pushing the CTA past the right boundary. */
.site-header .container {
  max-width: 1360px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--ink-primary);
  flex-shrink: 0;
}

.brand-link__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.brand-link:hover .brand-link__icon {
  transform: scale(1.04);
}

.brand-link__text {
  display: flex;
  flex-direction: column;
}

.brand-link__name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  line-height: 1.15;
}

.brand-link__tagline {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-muted);
  line-height: 1.25;
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  flex: 1 1 auto;
  min-width: 0;
}

@media (max-width: 1280px) {
  .header-nav__patient-pill {
    display: none;
  }
}

@media (max-width: 1100px) {
  .header-nav {
    display: none;
  }
}

@media (max-width: 640px) {
  .brand-link__tagline {
    display: none;
  }

  .header-actions .btn--sm {
    padding: 0.45rem 0.75rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .header-actions [data-open-pilot] {
    display: none;
  }
}

.header-nav__link {
  background: none;
  border: none;
  padding: 0.25rem 0;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s ease;
  white-space: nowrap;
}

.header-nav__link:hover {
  color: var(--ink-primary);
}

.header-nav__patient-pill {
  padding: 0.32rem 0.8rem;
  border-radius: var(--pill-radius);
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--emerald-wash);
  color: var(--emerald-ink);
  border: 1px solid var(--emerald-border);
  cursor: pointer;
  transition: background-color 0.15s ease;
  white-space: nowrap;
}

.header-nav__patient-pill:hover {
  background-color: #D1FAE5;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

/* Segmented Language Switcher */
.lang-segmented {
  display: inline-flex;
  align-items: center;
  background-color: #F1F5F9;
  padding: 0.15rem;
  border-radius: 8px;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--ink-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.28rem 0.58rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.lang-btn[aria-pressed="true"] {
  background-color: #FFFFFF;
  color: var(--ink-primary);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

.lang-btn:hover:not([aria-pressed="true"]) {
  color: var(--ink-primary);
}

/* Mobile Navigation Toggle (Hamburger) */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-input);
  border-radius: var(--btn-radius);
  width: 38px;
  height: 38px;
  padding: 8px 7px;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.mobile-nav-toggle:hover {
  background-color: #E2E8F0;
  border-color: var(--ink-secondary);
}

.mobile-nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--ink-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}

.mobile-nav-toggle[aria-expanded="true"] .mobile-nav-toggle__bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.mobile-nav-toggle[aria-expanded="true"] .mobile-nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle[aria-expanded="true"] .mobile-nav-toggle__bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

@media (max-width: 1100px) {
  .mobile-nav-toggle {
    display: inline-flex;
  }
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  width: 100%;
  background-color: #FFFFFF;
  border-bottom: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.12);
  max-height: calc(100vh - 72px);
  overflow-y: auto;
  z-index: 99;
}

.mobile-nav-drawer.is-open {
  display: block;
  animation: slideDownNav 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideDownNav {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-nav-drawer__inner {
  padding: 1.15rem 1rem 1.65rem;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-nav__link {
  display: block;
  padding: 0.75rem 0.9rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-primary);
  text-decoration: none;
  border-radius: var(--inner-radius);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.mobile-nav__link:hover,
.mobile-nav__link:focus {
  background-color: var(--canvas-bg);
  color: var(--brand-accent);
}

.mobile-nav__patient-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.75rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--patient-ink);
  background-color: var(--patient-wash);
  border: 1px solid var(--patient-border);
  border-radius: var(--inner-radius);
  cursor: pointer;
  margin-top: 0.35rem;
  transition: background-color 0.15s ease;
}

.mobile-nav__patient-btn:hover {
  background-color: #DCFCE7;
}

.mobile-nav__actions {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.mobile-nav__cta {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
  justify-content: center;
  text-align: center;
}

/* ==========================================================================
   2. Buttons & Chips
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
  padding: 0.75rem 1.35rem;
  border-radius: var(--btn-radius);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, opacity 0.15s ease, background-color 0.15s ease;
}

.btn--sm {
  font-size: 0.8125rem;
  padding: 0.5rem 1rem;
}

.btn--primary {
  background-color: var(--brand-primary);
  color: #FFFFFF;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

.btn--primary:hover {
  background-color: var(--brand-primary-hover);
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: var(--card-bg);
  color: var(--ink-primary);
  border-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}

.btn--secondary:hover {
  background-color: #F8FAFC;
}

.btn--emerald {
  background-color: var(--patient-btn);
  color: #FFFFFF;
}

.btn--emerald:hover {
  background-color: var(--patient-btn-hover);
  transform: translateY(-1px);
}

/* ==========================================================================
   3. Hero Section
   ========================================================================== */
.hero-section {
  padding: 3.75rem 0 4.25rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 2.75rem;
  align-items: center;
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }
}

.hero-pill-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.15rem;
}

.scope-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.38rem 0.9rem;
  background-color: var(--brand-pill-bg);
  color: var(--brand-pill-text);
  border-radius: var(--pill-radius);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid rgba(29, 78, 216, 0.15);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}

.scope-pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--brand-accent);
}

.headline-cut-switch {
  display: inline-flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.75);
  padding: 0.15rem;
  border-radius: var(--pill-radius);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.headline-cut-btn {
  border: none;
  background: transparent;
  color: var(--ink-muted);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--pill-radius);
  cursor: pointer;
}

.headline-cut-btn[aria-pressed="true"] {
  background-color: var(--brand-primary);
  color: #FFFFFF;
}

.hero-title {
  font-size: clamp(2.1rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  color: var(--ink-primary);
  margin: 0 0 1.15rem;
}

.hero-subtitle {
  font-size: 1.08rem;
  line-height: 1.62;
  color: var(--ink-secondary);
  margin: 0 0 1.65rem;
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.65rem;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.15rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-muted);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.trust-item__icon {
  color: var(--emerald-accent);
  font-weight: 700;
}

/* Right Column: Floating Showcase Card */
.showcase-card {
  background-color: var(--card-bg);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--card-radius);
  box-shadow: var(--showcase-shadow);
  padding: 1.65rem;
}

.showcase-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.showcase-card__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
}

.verified-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--pill-radius);
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--emerald-wash);
  color: var(--emerald-ink);
  border: 1px solid var(--emerald-border);
}

.verified-pill__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--emerald-accent);
}

.showcase-summary-box {
  background-color: var(--card-subtle-bg);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--inner-radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.65rem;
}

.chip {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.22rem 0.6rem;
  border-radius: 6px;
}

.chip--blue {
  background-color: var(--blue-wash);
  color: var(--brand-accent);
}

.chip--emerald {
  background-color: var(--emerald-wash);
  color: var(--emerald-ink);
}

.chip--rose {
  background-color: var(--rose-wash);
  color: var(--rose-accent);
}

.chip--amber {
  background-color: var(--amber-wash);
  color: var(--amber-ink);
}

.showcase-quote {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.52;
  color: var(--ink-secondary);
}

.divider-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-muted);
  margin: 1rem 0;
}

.divider-label::before,
.divider-label::after {
  content: "";
  height: 1px;
  flex: 1;
  background-color: rgba(15, 23, 42, 0.08);
}

.mini-match-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.mini-match {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--inner-radius);
  border: 1px solid rgba(15, 23, 42, 0.08);
  background-color: var(--card-subtle-bg);
}

.mini-match--primary {
  background-color: var(--blue-wash);
  border-color: var(--blue-border);
}

.mini-match__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-primary);
  margin: 0 0 0.15rem;
}

.mini-match__meta {
  font-size: 0.75rem;
  color: var(--ink-secondary);
  margin: 0;
}

.match-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--pill-radius);
  flex-shrink: 0;
}

.match-badge--primary {
  background-color: var(--brand-accent);
  color: #FFFFFF;
}

.match-badge--secondary {
  background-color: #E2E8F0;
  color: var(--ink-primary);
}

/* ==========================================================================
   4. Generic Section & Card Grids
   ========================================================================== */
.section {
  padding: 4.5rem 0;
}

.section--alt {
  background-color: var(--section-bg);
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.section-header {
  max-width: 48rem;
  margin-bottom: 2.5rem;
}

.section-eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--brand-accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.65rem, 2.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink-primary);
  margin: 0 0 0.75rem;
}

.section-subtitle {
  font-size: 1rem;
  line-height: 1.62;
  color: var(--ink-secondary);
  margin: 0;
}

.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

@media (max-width: 1024px) {
  .cards-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .cards-grid-3,
  .cards-grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .cards-grid-4 {
    grid-template-columns: 1fr;
  }
}

.surface-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 1.75rem;
}

.step-badge {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background-color: var(--blue-wash);
  color: var(--brand-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.step-badge--emerald {
  background-color: var(--emerald-wash);
  color: var(--emerald-ink);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.card-body {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-secondary);
  margin: 0;
}

/* ==========================================================================
   5. How Clarivius Works (Dual Pathway Switcher & 4-Step Cards)
   ========================================================================== */
.pathway-block {
  margin-bottom: 2.5rem;
}

.pathway-block:last-child {
  margin-bottom: 0;
}

.pathway-header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.pathway-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pathway-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--ink-primary);
}

/* ==========================================================================
   6. Founding Case Study: 18 Doctors, 18 Months (Cowper's Gland)
   ========================================================================== */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (max-width: 960px) {
  .metrics-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .metrics-strip {
    grid-template-columns: 1fr;
  }
}

.metric-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--inner-radius);
  box-shadow: var(--card-shadow);
  padding: 1.15rem 1.25rem;
}

.metric-card__value {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--brand-primary);
  line-height: 1.15;
  margin-bottom: 0.25rem;
}

.metric-card__value--accent {
  color: var(--brand-accent);
}

.metric-card__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-secondary);
  line-height: 1.35;
}

/* Interactive 5-Stage Stepper Nav */
.stage-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 960px) {
  .stage-tabs {
    grid-template-columns: 1fr;
  }
}

.stage-tab-btn {
  text-align: left;
  background-color: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--inner-radius);
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.stage-tab-btn:hover {
  border-color: var(--blue-border);
}

.stage-tab-btn[aria-selected="true"] {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #FFFFFF;
  box-shadow: var(--card-shadow);
}

.stage-tab-btn__time {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--brand-accent);
  margin-bottom: 0.2rem;
}

.stage-tab-btn[aria-selected="true"] .stage-tab-btn__time {
  color: #93C5FD;
}

.stage-tab-btn__name {
  display: block;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.3;
}

/* Full 5-Stage Cards Stack (All rendered in DOM for SEO, active stage highlighted) */
.stage-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.stage-detail-card {
  background-color: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 1.65rem 1.85rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.stage-detail-card.is-highlighted {
  border-color: var(--brand-accent);
  box-shadow: 0 14px 34px -6px rgba(29, 78, 216, 0.12);
}

.stage-detail-card__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.stage-detail-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 0;
}

.stage-detail-card__body {
  font-size: 0.925rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  margin: 0 0 0.9rem;
}

.stage-detail-card__takeaway {
  background-color: var(--card-subtle-bg);
  border-left: 3.5px solid var(--brand-accent);
  padding: 0.7rem 1rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--ink-primary);
}

/* ==========================================================================
   7. Interactive 4-Field Anonymisation & Matching Preview
   ========================================================================== */
.demo-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.mode-switcher {
  display: inline-flex;
  padding: 0.25rem;
  border-radius: 12px;
  background-color: #E2E8F0;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.mode-btn {
  border: none;
  background: transparent;
  color: var(--ink-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 9px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.mode-btn[aria-pressed="true"] {
  background-color: #FFFFFF;
  color: var(--ink-primary);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1);
}

.demo-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 960px) {
  .demo-grid {
    grid-template-columns: 1fr;
  }
}

.demo-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.demo-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.status-pill {
  padding: 0.28rem 0.75rem;
  border-radius: var(--pill-radius);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-pill--ready {
  background-color: var(--emerald-wash);
  color: var(--emerald-ink);
  border: 1px solid var(--emerald-border);
}

.status-pill--blocked {
  background-color: var(--rose-wash);
  color: var(--rose-ink);
  border: 1px solid var(--rose-border);
}

.fields-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.15rem;
}

@media (max-width: 600px) {
  .fields-grid-3 {
    grid-template-columns: 1fr;
  }
}

.field-box {
  background-color: var(--card-subtle-bg);
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: var(--inner-radius);
  padding: 0.75rem 0.9rem;
}

.field-box__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-muted);
  margin-bottom: 0.25rem;
}

.field-box__input,
.field-box__select {
  width: 100%;
  border: none;
  background: transparent;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-primary);
  padding: 0;
}

.field-box__input:focus,
.field-box__select:focus {
  outline: none;
}

.field-box:focus-within {
  border-color: var(--brand-accent);
  background-color: #FFFFFF;
}

.clinical-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-secondary);
  margin-bottom: 0.4rem;
}

.clinical-textarea {
  width: 100%;
  min-height: 118px;
  padding: 0.9rem 1rem;
  border-radius: var(--inner-radius);
  background-color: var(--card-subtle-bg);
  border: 1px solid rgba(15, 23, 42, 0.12);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink-primary);
  resize: vertical;
}

.clinical-textarea[aria-invalid="true"] {
  background-color: var(--rose-wash);
  border-color: var(--rose-accent);
}

.pii-alert-banner {
  display: none;
  margin-top: 1rem;
  padding: 0.95rem 1.1rem;
  border-radius: var(--inner-radius);
  background-color: var(--rose-wash);
  border: 1px solid var(--rose-border);
  color: var(--rose-ink);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.pii-alert-banner.is-visible {
  display: block;
}

.pii-token-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
  padding: 0;
  list-style: none;
}

.pii-token-chip {
  background-color: #FFFFFF;
  color: var(--rose-accent);
  border: 1px solid var(--rose-border);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
}

.match-list-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.match-item {
  padding: 1rem;
  border-radius: var(--inner-radius);
  background-color: var(--card-subtle-bg);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.match-item__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.match-item__role {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.match-item__score {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--brand-accent);
  background-color: var(--blue-wash);
  padding: 0.18rem 0.6rem;
  border-radius: var(--pill-radius);
  flex-shrink: 0;
}

.match-item__meta {
  font-size: 0.78rem;
  color: var(--ink-secondary);
  margin: 0;
  line-height: 1.45;
}

.locked-placeholder {
  display: none;
  text-align: center;
  padding: 2.25rem 1rem;
}

.locked-placeholder.is-visible {
  display: block;
}

.locked-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--rose-wash);
  color: var(--rose-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 auto 0.65rem;
}

/* ==========================================================================
   8. Governance, Patient Pathway Cards & Expandable Architecture Drawer
   ========================================================================== */
.gov-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
}

.patient-containment-card {
  background-color: var(--patient-bg);
  border: 1.5px solid var(--patient-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 2rem;
  color: var(--patient-ink);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.5rem;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.875rem;
  color: var(--ink-secondary);
  margin-bottom: 0.55rem;
}

.check-list__mark {
  color: var(--brand-accent);
  font-weight: 700;
}

.dpo-drawer {
  display: none;
  margin-top: 1.75rem;
}

.dpo-drawer.is-open {
  display: block;
}

.dpo-table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.dpo-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.8125rem;
}

.dpo-table th,
.dpo-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  vertical-align: top;
}

.dpo-table thead th {
  font-weight: 700;
  color: var(--ink-muted);
  border-bottom: 1.5px solid rgba(15, 23, 42, 0.12);
}

@media (max-width: 768px) {
  .dpo-table {
    display: block;
    width: 100%;
  }

  .dpo-table thead {
    display: none;
  }

  .dpo-table tbody,
  .dpo-table tr,
  .dpo-table td {
    display: block;
    width: 100%;
  }

  .dpo-table tr {
    margin-bottom: 1.25rem;
    background-color: var(--card-subtle-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--inner-radius);
    padding: 0.85rem;
  }

  .dpo-table td {
    padding: 0.5rem 0;
    border-bottom: 1px dashed rgba(15, 23, 42, 0.08);
  }

  .dpo-table td:last-child {
    border-bottom: none;
  }

  .dpo-table td:nth-child(1) {
    font-weight: 700;
    color: var(--ink-primary);
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(15, 23, 42, 0.12);
    padding-bottom: 0.5rem;
    margin-bottom: 0.25rem;
  }

  .dpo-table td:nth-child(2)::before {
    content: "Clarivius Peer (Doctor-to-Doctor): ";
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--brand-accent);
    margin-bottom: 0.15rem;
  }

  .dpo-table td:nth-child(3)::before {
    content: "Clarivius Direct (Patient-to-Specialist): ";
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--emerald-accent);
    margin-bottom: 0.15rem;
  }
}

/* ==========================================================================
   9. FAQ Accordion Section (#faq)
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--inner-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.faq-summary {
  padding: 1.15rem 1.4rem;
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--ink-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.faq-summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--brand-accent);
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 1.4rem 1.25rem;
  font-size: 0.9rem;
  line-height: 1.62;
  color: var(--ink-secondary);
  margin: 0;
}

/* ==========================================================================
   10. Views #view-patients & #view-brief (Printable A4)
   ========================================================================== */
.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 9px;
  border: 1px solid var(--border-input);
  font-size: 0.875rem;
  color: var(--ink-primary);
  background-color: #FFFFFF;
}

.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-secondary);
  margin-bottom: 0.3rem;
}

.brief-sheet {
  background-color: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 2.5rem;
  max-width: 820px;
  margin: 0 auto;
}

.brief-sheet__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--ink-primary);
}

/* ==========================================================================
   11. Commercial Multi-Column Footer, Legal Modal & Cookie Consent Banner
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background-color: #FFFFFF;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  padding: 3.5rem 0 2.5rem;
  font-size: 0.82rem;
  color: var(--ink-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.25rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-primary);
  margin: 0 0 0.85rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links button,
.footer-links a {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.82rem;
  color: var(--ink-secondary);
  text-decoration: none;
  cursor: pointer;
  text-align: left;
}

.footer-links button:hover,
.footer-links a:hover {
  color: var(--brand-accent);
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
}

/* Modal Backdrop */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background-color: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.modal-backdrop.is-open {
  display: flex;
}

.modal-card {
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-card--legal {
  max-width: 740px;
}

.legal-doc-body h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 1.15rem 0 0.35rem;
}

.legal-doc-body p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink-secondary);
  margin: 0 0 0.75rem;
}

/* Cookie Consent Banner (Google Consent Mode v2) */
.cookie-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  max-width: 960px;
  margin: 0 auto;
  z-index: 180;
  background-color: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--card-radius);
  box-shadow: 0 20px 45px -10px rgba(15, 23, 42, 0.18);
  padding: 1.25rem 1.5rem;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.cookie-banner.is-visible {
  display: flex;
}

.cookie-banner__text {
  flex: 1;
  min-width: 260px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--ink-secondary);
}

.cookie-banner__title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 0 0 0.2rem;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

/* Scroll-to-Top Button */
.scroll-top-btn {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 170;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background-color: var(--brand-primary);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 10px 24px -6px rgba(15, 23, 42, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s, background-color 0.15s ease;
}

.scroll-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background-color: var(--brand-primary-hover);
}

/* Lift above the cookie banner while it is shown */
.cookie-banner.is-visible ~ .scroll-top-btn {
  bottom: 8.5rem;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-top-btn {
    transition: none;
  }
}

/* ==========================================================================
   11b. Mobile Viewport Refinements (@media (max-width: 640px))
   - Zero horizontal overflow on 320px–430px viewports
   - Touch-ergonomic full-width buttons & stacked layouts
   - Proportional card paddings and seamless cookie/scroll-to-top interaction
   ========================================================================== */
@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }

  .section {
    padding: 2.75rem 0;
  }

  .hero-section {
    padding: 2.25rem 0 2.75rem;
  }

  .hero-title {
    font-size: clamp(1.75rem, 6.5vw, 2.35rem);
    letter-spacing: -0.02em;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0.65rem;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .surface-card,
  .showcase-card,
  .brief-sheet,
  .gov-card,
  .patient-containment-card,
  .modal-card {
    padding: 1.15rem;
  }

  .mode-switcher {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.35rem;
  }

  .mode-btn {
    width: 100%;
    text-align: center;
    padding: 0.6rem 0.75rem;
    font-size: 0.8rem;
  }

  .demo-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .match-item {
    padding: 0.85rem;
  }

  .match-item__top {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .stage-detail-card {
    padding: 1.25rem;
  }

  .stage-detail-card__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .cookie-banner {
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    padding: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
  }

  .cookie-banner__text {
    min-width: 0;
    width: 100%;
  }

  .cookie-banner__actions {
    flex-direction: column;
    width: 100%;
    gap: 0.45rem;
  }

  .cookie-banner__actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .scroll-top-btn {
    right: 1rem;
    bottom: 1rem;
    width: 42px;
    height: 42px;
  }

  /* Prevent overlapping fixed cookie banner on mobile */
  .cookie-banner.is-visible ~ .scroll-top-btn {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .modal-backdrop {
    padding: 0.75rem;
  }

  .modal-card {
    max-height: 94vh;
  }
}

/* ==========================================================================
   12. Print Stylesheet (@media print) — Crisp 1-Page A4 Physician Brief
   ========================================================================== */
@media print {
  @page {
    size: A4 portrait;
    margin: 14mm 16mm;
  }

  html, body {
    background: #FFFFFF !important;
    color: #000000 !important;
    font-size: 10.5pt;
  }

  .site-header,
  .site-footer,
  .no-print,
  .modal-backdrop,
  .cookie-banner,
  .scroll-top-btn,
  #view-home,
  #view-patients {
    display: none !important;
  }

  #view-brief {
    display: block !important;
  }

  .brief-sheet {
    box-shadow: none !important;
    border: 1.5pt solid #000000 !important;
    padding: 10mm !important;
    max-width: 100% !important;
  }
}