/* EvalDoc Homepage - YC Style Medical Design */
/* Feyti Medical Group Colors: Deep clinical blues, clean whites, subtle teals */

:root {
  /* Feyti Medical Group Brand Colors */
  --primary: #297B56;
  --primary-dark: #1e5c40;
  --primary-light: #3a9d6f;
  --accent: #297B56;
  --background: #FBFBFB;

  /* Neutral Colors */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-600: #4B5563;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --white: #FFFFFF;

  /* Status Colors */
  --danger: #DC2626;
  --success: #297B56;
  --warning: #F59E0B;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: all 0.2s ease;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-900);
  line-height: 1.6;
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.logo-img-nav {
  height: 40px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--gray-600);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.nav-links .nav-cta {
  background: var(--primary);
  color: white;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.nav-links .nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: 5rem 0 6rem;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-badge {
  display: inline-block;
  background: var(--gray-100);
  color: var(--gray-700);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  align-self: flex-start;
  border: 1px solid var(--gray-200);
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--gray-600);
  line-height: 1.6;
  max-width: 600px;
}

.hero-trust-line {
  font-size: 1rem;
  color: var(--gray-500);
  font-style: italic;
  margin-top: 1rem;
}

/* Search Box Hero */
.search-box-hero {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  margin-top: 1rem;
}

.search-box-hero h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: var(--gray-900);
  font-weight: 600;
}

.search-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.search-form input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--white);
}

.search-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(41, 123, 86, 0.1);
}

.search-form button {
  padding: 0.875rem 2rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.search-form button:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.search-hint {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* Quick Results */
.quick-results {
  display: none;
  margin-top: 1rem;
  border-top: 1px solid var(--gray-200);
  padding-top: 1rem;
  max-height: 300px;
  overflow-y: auto;
}

.search-result {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 0.5rem;
}

.search-result:hover {
  background: var(--gray-50);
}

.provider-info {
  flex: 1;
}

.provider-name {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.provider-specialty {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.chat-arrow {
  font-size: 1.5rem;
  color: var(--primary);
}

.search-loading,
.search-error,
.no-results {
  padding: 1rem;
  text-align: center;
  color: var(--gray-500);
  font-size: 0.875rem;
}

.search-error {
  color: var(--danger);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 450px;
}

.visual-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.visual-avatar-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.visual-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
  border-radius: 6px;
}

.visual-avatar {
  font-weight: 600;
  font-size: 1rem;
  color: var(--gray-900);
}

.visual-status {
  flex: 1;
}

.status-text {
  font-weight: 600;
  color: var(--gray-900);
  font-size: 0.95rem;
}

.status-indicator {
  font-size: 0.875rem;
  color: var(--success);
}

.chat-demo {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-bubble {
  padding: 0.875rem 1.125rem;
  border-radius: 12px;
  max-width: 85%;
  font-size: 0.9rem;
  line-height: 1.5;
}

.chat-bubble.patient {
  background: var(--gray-100);
  color: var(--gray-900);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-bubble.ai {
  background: var(--primary);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-bubble p {
  margin: 0;
}

/* Context Strip */
.context-strip {
  background: var(--primary);
  color: white;
  padding: 3rem 0;
  text-align: center;
}

.context-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.context-headline {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.context-flags {
  font-size: 2rem;
  margin: 1.5rem 0;
}

.context-stats {
  font-size: 1.125rem;
  opacity: 0.9;
}

/* Sections */
.section {
  padding: 5rem 0;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.section h2 {
  font-size: 2.75rem;
  text-align: center;
  margin-bottom: 3rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}

.section-light {
  background: var(--gray-50);
  max-width: 100%;
  margin: 0;
}

.section-dark {
  background: var(--gray-900);
  color: white;
  max-width: 100%;
  margin: 0;
}

.section-dark h2 {
  color: white;
}

/* Problem Section */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.problem-col h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--gray-900);
}

.problem-list {
  list-style: none;
  padding: 0;
}

.problem-list li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--gray-700);
  font-size: 1.05rem;
  line-height: 1.6;
}

.problem-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 1.5rem;
  line-height: 1.4;
}

.problem-bold {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.4;
}

/* Solution Section */
.solution-intro {
  text-align: center;
  font-size: 1.25rem;
  color: var(--gray-700);
  max-width: 800px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.feature-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon-large {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

.feature-card p {
  color: var(--gray-600);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Flow Diagram */
.flow-diagram {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto 2rem;
  flex-wrap: wrap;
}

.flow-step {
  flex: 1;
  min-width: 180px;
  text-align: center;
}

.flow-number {
  width: 60px;
  height: 60px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.flow-step h4 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--gray-900);
  font-weight: 600;
}

.flow-step p {
  font-size: 0.95rem;
  color: var(--gray-600);
}

.flow-arrow {
  font-size: 2rem;
  color: var(--gray-400);
  flex-shrink: 0;
}

.flow-caption {
  text-align: center;
  font-size: 1.125rem;
  color: var(--gray-600);
  font-style: italic;
}

/* Platform Section */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto 2rem;
}

.platform-feature {
  text-align: center;
}

.platform-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.platform-feature h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: white;
}

.platform-feature p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.platform-tagline {
  text-align: center;
  font-size: 1.375rem;
  font-weight: 600;
  color: white;
  margin-top: 2rem;
}

/* Safety Checklist */
.safety-checklist {
  max-width: 800px;
  margin: 0 auto 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.safety-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 2px solid var(--gray-200);
}

.safety-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.safety-text {
  font-size: 1.05rem;
  color: var(--gray-700);
  line-height: 1.6;
}

.safety-disclaimer {
  text-align: center;
  font-size: 1.125rem;
  color: var(--gray-600);
  font-style: italic;
  margin-top: 2rem;
}

/* Who Section */
.who-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.who-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.who-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--gray-900);
}

.who-list {
  list-style: none;
  padding: 0;
  margin-bottom: 2rem;
}

.who-list li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--gray-700);
  font-size: 1.05rem;
  line-height: 1.6;
}

.who-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* Model Section */
.model-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto 2rem;
}

.model-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 2px solid var(--gray-200);
}

.model-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.model-card h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--gray-900);
  font-weight: 600;
}

.model-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

.model-principles {
  text-align: center;
  margin-top: 2rem;
}

.model-principles p {
  font-size: 1.25rem;
  color: var(--primary);
}

/* Feyti Strip */
.feyti-strip {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 2.5rem 0;
  text-align: center;
}

.feyti-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.feyti-logo {
  height: 60px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}

.feyti-text-container {
  text-align: center;
}

.feyti-text {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.feyti-tagline {
  font-size: 1rem;
  opacity: 0.9;
}

/* Final CTA */
.final-cta {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.final-cta-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}

.final-cta-container h2 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.final-cta-container > p {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.final-cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.btn-large-primary {
  display: inline-block;
  padding: 1.125rem 2.5rem;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1.125rem;
  transition: var(--transition);
  border: 2px solid var(--primary);
}

.btn-large-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-large-secondary {
  display: inline-block;
  padding: 1.125rem 2.5rem;
  background: white;
  color: var(--primary);
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1.125rem;
  transition: var(--transition);
  border: 2px solid var(--primary);
}

.btn-large-secondary:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.final-cta-footer {
  font-size: 1.125rem;
  color: var(--gray-600);
  font-style: italic;
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.footer-section h4 {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.footer-brand {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  font-style: italic;
  margin-top: 1rem;
}

.footer-address {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-top: 0.75rem;
}

.footer-section a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: 0.75rem;
  transition: var(--transition);
  font-size: 0.95rem;
}

.footer-section a:hover {
  color: white;
  padding-left: 4px;
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.footer-disclaimer {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
  font-style: italic;
  max-width: 800px;
  margin: 1rem auto 0;
  line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-content h1 {
    font-size: 2.75rem;
  }

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

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

  .model-cards {
    grid-template-columns: 1fr;
  }

  .flow-diagram {
    flex-direction: column;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.25rem;
  }

  .section h2 {
    font-size: 2rem;
  }

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

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

  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .final-cta-container h2 {
    font-size: 2rem;
  }

  .final-cta-buttons {
    flex-direction: column;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.875rem;
  }

  .search-form {
    flex-direction: column;
  }

  .search-form button {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .hero-content h1 {
    font-size: 1.875rem;
  }

  .section {
    padding: 3rem 1rem;
  }

  .section h2 {
    font-size: 1.75rem;
  }

  .nav-container {
    padding: 0 1rem;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .context-headline {
    font-size: 1.25rem;
  }

  .context-flags {
    font-size: 1.5rem;
  }

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

/* ── Waitlist form (landing page) ─────────────────────────── */
.waitlist-launch-badge {
  display: inline-block;
  background: linear-gradient(135deg, #4fb3a4, #3a8a7e);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.03em;
}

.waitlist-form {
  max-width: 540px;
  margin: 0 auto 1.5rem;
}

.waitlist-fields {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.waitlist-fields input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.waitlist-fields input:focus {
  border-color: #4fb3a4;
}

.waitlist-form-msg {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  min-height: 1.25rem;
  color: #6b7280;
}

.waitlist-form-msg.success { color: #059669; font-weight: 500; }
.waitlist-form-msg.error   { color: #dc2626; }