/* ==========================================================================
   Clarkson Prior Authorization Portal — Design System
   Evergreen/teal healthcare palette, Inter typeface, rounded cards,
   soft shadows, minimal motion.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  /* Color palette */
  --color-primary: #1B5E4F;
  --color-primary-dark: #124238;
  --color-primary-light: #2C7A66;
  --color-accent: #2A9D8F;
  --color-accent-light: #6FCF97;
  --color-bg: #F7F9F8;
  --color-bg-alt: #EFF5F3;
  --color-surface: #FFFFFF;
  --color-text: #1A2E28;
  --color-text-muted: #5B6D67;
  --color-border: #E1EAE7;
  --color-warning: #D97706;
  --color-danger: #DC2626;
  --color-success: #15803D;

  /* Status badge colors */
  --status-new: #64748B;
  --status-intake: #2563EB;
  --status-missing: #D97706;
  --status-ready: #7C3AED;
  --status-submitted: #0EA5E9;
  --status-payer: #0891B2;
  --status-addlinfo: #EA580C;
  --status-approved: #15803D;
  --status-denied: #DC2626;
  --status-appeal: #9333EA;
  --status-closed: #475569;
  --status-cancelled: #94A3B8;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(18, 66, 56, 0.06), 0 1px 3px rgba(18, 66, 56, 0.08);
  --shadow-md: 0 4px 12px rgba(18, 66, 56, 0.08), 0 2px 4px rgba(18, 66, 56, 0.06);
  --shadow-lg: 0 12px 32px rgba(18, 66, 56, 0.14), 0 4px 8px rgba(18, 66, 56, 0.08);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition-base: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.section {
  padding: var(--space-8) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-heading {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-7);
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(42, 157, 143, 0.1);
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  margin-bottom: var(--space-3);
}

.section-heading h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  color: var(--color-primary-dark);
}

.section-heading p {
  font-size: 1.05rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* ---- Public header ---- */
.public-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 249, 248, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.public-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-primary-dark);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
}

.public-nav {
  display: flex;
  gap: var(--space-6);
}

.public-nav a {
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.public-nav a:hover {
  color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.account-menu {
  position: relative;
}

.account-menu-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.avatar-circle-sm {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
}

.account-menu-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 10px);
  box-shadow: var(--shadow-md, 0 8px 24px rgba(0, 0, 0, 0.12));
  padding: var(--space-2, 8px);
  z-index: 60;
}

.account-menu.open .account-menu-dropdown {
  display: block;
}

.account-menu-name {
  padding: 8px 12px 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 4px;
  word-break: break-word;
}

.account-menu-dropdown a {
  display: block;
  padding: 8px 12px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-radius: 6px;
}

.account-menu-dropdown a:hover {
  background: var(--color-surface-alt, #f2f5f4);
  color: var(--color-primary);
}

@media (prefers-color-scheme: dark) {
  .account-menu-dropdown {
    background: #1c2624;
  }
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary-dark);
  margin: 4px 0;
  border-radius: 2px;
}

/* ---- Hero ---- */
.hero {
  padding: var(--space-9) 0 var(--space-8);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -160px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(42, 157, 143, 0.16), transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-8);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  color: var(--color-primary-dark);
}

.hero h1 .accent {
  color: var(--color-accent);
}

.hero-sub {
  font-size: 1.15rem;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
  flex-wrap: wrap;
}

.hero-trustline {
  margin-top: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.hero-visual {
  position: relative;
}

.hero-visual svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(var(--shadow-lg));
}

/* ---- Social proof ---- */
.social-proof {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.social-proof-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.logo-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
  opacity: 0.75;
}

.logo-badge {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ---- Grids ---- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: center;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.icon-circle {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(27, 94, 79, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.icon-circle svg {
  width: 26px;
  height: 26px;
}

.pain-card, .benefit-card {
  padding: var(--space-6);
}

.pain-card h3, .benefit-card h3 {
  font-size: 1.1rem;
  color: var(--color-primary-dark);
}

.pain-card p, .benefit-card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* ---- Solution ---- */
.solution-list {
  list-style: none;
  padding: 0;
  margin: var(--space-5) 0 0;
}

.solution-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.check-badge {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  margin-top: 2px;
}

.solution-visual {
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 55%, var(--color-accent) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.solution-visual svg {
  width: 100%;
  height: auto;
}

/* ---- Steps ---- */
.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  position: relative;
}

.step-card {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  position: relative;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: 1.05rem;
}

.step-card h3 {
  font-size: 1.02rem;
  color: var(--color-primary-dark);
}

.step-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ---- Testimonials ---- */
.testimonial-card {
  padding: var(--space-6);
}

.testimonial-quote {
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.testimonial-quote::before {
  content: '\201C';
  font-size: 2rem;
  color: var(--color-accent);
  display: block;
  line-height: 0.5;
  margin-bottom: var(--space-3);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.avatar-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.author-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-primary-dark);
}

.author-role {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.testimonial-disclaimer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: var(--space-5);
  font-style: italic;
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: var(--space-5) var(--space-2);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.faq-icon {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-accent);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 var(--space-2);
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 var(--space-2) var(--space-5);
}

.faq-answer p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* ---- Final CTA ---- */
.final-cta {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary) 60%, var(--color-accent));
  border-radius: var(--radius-lg);
  margin: 0 var(--space-5);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.final-cta h2 {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.final-cta p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta .btn-primary {
  background: #fff;
  color: var(--color-primary-dark);
}

.final-cta .btn-primary:hover {
  background: #EFF5F3;
}

/* ---- Footer ---- */
.public-footer {
  padding: var(--space-7) 0 var(--space-6);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  transition: color var(--transition-base);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.compliance-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  max-width: 640px;
}

/* ---- Sticky mobile CTA ---- */
.sticky-mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  box-shadow: 0 -4px 16px rgba(18, 66, 56, 0.1);
}

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Status badges (shared with app shell) ---- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.status-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.status-New { color: var(--status-new); background: rgba(100,116,139,0.12); }
.status-IntakeReview { color: var(--status-intake); background: rgba(37,99,235,0.12); }
.status-MissingInformation { color: var(--status-missing); background: rgba(217,119,6,0.12); }
.status-ReadyForSubmission { color: var(--status-ready); background: rgba(124,58,237,0.12); }
.status-Submitted { color: var(--status-submitted); background: rgba(14,165,233,0.12); }
.status-PayerFollowUp { color: var(--status-payer); background: rgba(8,145,178,0.12); }
.status-AdditionalInfoRequested { color: var(--status-addlinfo); background: rgba(234,88,12,0.12); }
.status-Approved { color: var(--status-approved); background: rgba(21,128,61,0.12); }
.status-Denied { color: var(--status-denied); background: rgba(220,38,38,0.12); }
.status-AppealInProgress { color: var(--status-appeal); background: rgba(147,51,234,0.12); }
.status-Closed { color: var(--status-closed); background: rgba(71,85,105,0.12); }
.status-Cancelled { color: var(--status-cancelled); background: rgba(148,163,184,0.12); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    max-width: 420px;
    margin: 0 auto;
  }

  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .public-nav {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .grid-3, .grid-4, .steps-row {
    grid-template-columns: 1fr;
  }

  .sticky-mobile-cta {
    display: block;
  }

  body {
    padding-bottom: 76px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding: var(--space-7) 0 var(--space-6);
  }

  .final-cta {
    margin: 0 var(--space-4);
    padding: var(--space-6) var(--space-4);
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }
}