/* ==========================================================================
   Clinictify - Modern Medical Social Platform Placeholder Stylesheet
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-dark: #07090e;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(30, 41, 59, 0.75);
  --bg-input: rgba(15, 23, 42, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(16, 185, 129, 0.3);
  
  --primary-teal: #06b6d4;
  --primary-emerald: #10b981;
  --primary-blue: #3b82f6;
  --primary-indigo: #6366f1;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Accent Gradients */
  --grad-primary: linear-gradient(135deg, #10b981 0%, #06b6d4 50%, #3b82f6 100%);
  --grad-text: linear-gradient(135deg, #ffffff 30%, #38bdf8 70%, #34d399 100%);
  --grad-glow: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, rgba(6, 182, 212, 0.05) 50%, transparent 70%);

  /* Geometry & Elevation */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 30px rgba(16, 185, 129, 0.2);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);

  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Global Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  position: relative;
  min-height: 100vh;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(6, 182, 212, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Typography Helpers */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  font-weight: 700;
  color: #ffffff;
}

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

/* Container Utility */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: var(--transition-smooth);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(7, 9, 14, 0.7);
}

.header.scrolled {
  padding: 0.75rem 0;
  background: rgba(7, 9, 14, 0.92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.brand-icon svg {
  width: 22px;
  height: 22px;
  color: #ffffff;
}

.brand-badge {
  font-size: 0.65rem;
  padding: 2px 8px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  margin-left: 0.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Language Switcher */
.lang-toggle {
  display: flex;
  background: rgba(255, 255, 255, 0.05);
  padding: 3px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-fast);
}

.lang-btn.active {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
  padding-top: 9rem;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--primary-emerald);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-emerald);
  box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.25rem;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 540px;
}

/* Domain Tags */
.domain-pills {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.domain-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.domain-pill strong {
  color: var(--primary-teal);
}

/* Early Access Form */
.waitlist-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  position: relative;
}

.waitlist-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.role-selector-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.role-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.4rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: var(--transition-fast);
}

.role-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.role-btn.selected {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--primary-teal);
  color: var(--primary-teal);
}

.input-group {
  display: flex;
  gap: 0.75rem;
}

.email-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.15rem;
  color: #ffffff;
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  transition: var(--transition-fast);
}

.email-input:focus {
  border-color: var(--primary-teal);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.form-privacy-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.85rem;
}

/* Hero Visual / Mockup Display */
.hero-visual {
  position: relative;
}

.mockup-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 40px rgba(16, 185, 129, 0.15);
  background: #000;
}

.mockup-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.mockup-frame:hover .mockup-img {
  transform: scale(1.02);
}

/* Floating Badges */
.floating-badge {
  position: absolute;
  padding: 0.85rem 1.25rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  z-index: 10;
  animation: float 4s ease-in-out infinite;
}

.badge-top-left {
  top: -1.5rem;
  left: -1.5rem;
}

.badge-bottom-right {
  bottom: -1.5rem;
  right: -1.5rem;
  animation-delay: -2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.badge-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-icon-green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-emerald);
}

.badge-icon-blue {
  background: rgba(6, 182, 212, 0.15);
  color: var(--primary-teal);
}

.badge-text strong {
  display: block;
  font-size: 0.85rem;
  color: #ffffff;
}

.badge-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Features Grid Section */
.features-section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem auto;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-teal);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--grad-glow);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary-teal);
  transition: var(--transition-fast);
}

.feature-card:hover .feature-icon-box {
  background: var(--grad-primary);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

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

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-text {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Interactive Preview Section */
.preview-section {
  padding: 5rem 0;
  background: rgba(15, 23, 42, 0.3);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.tab-nav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.tab-btn.active {
  background: var(--grad-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.tab-panel {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(15px);
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

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

.preview-box-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.preview-info h3 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.preview-info p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.checklist {
  list-style: none;
  margin-bottom: 1.5rem;
}

.checklist li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.925rem;
  color: var(--text-main);
  margin-bottom: 0.6rem;
}

.check-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.2);
  color: var(--primary-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.preview-card-mock {
  background: rgba(7, 9, 14, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

/* User Groups & Roles Section */
.user-types-section {
  padding: 6rem 0;
}

.types-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.type-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  text-align: center;
  transition: var(--transition-smooth);
}

.type-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-teal);
}

.type-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem auto;
  color: var(--primary-teal);
}

.type-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.type-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* FAQ Accordion */
.faq-section {
  padding: 5rem 0;
  max-width: 840px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  width: 100%;
  background: transparent;
  border: none;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
}

.faq-icon {
  transition: transform 0.3s ease;
  color: var(--primary-teal);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.925rem;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

/* Modal Dialog */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #0f172a;
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(16, 185, 129, 0.2);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal-overlay.open .modal-content {
  transform: scale(1);
}

.modal-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem auto;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.modal-title {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.modal-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
}

/* Footer */
.footer {
  padding: 4rem 0 2.5rem 0;
  border-top: 1px solid var(--border-color);
  background: rgba(4, 6, 10, 0.95);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 360px;
}

.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
  color: var(--text-dim);
}

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

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

  .preview-box-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.4rem;
  }

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

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

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

  .input-group {
    flex-direction: column;
  }

  .floating-badge {
    display: none;
  }
}