@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* Color Variables */
:root {
  --font-sans: 'Inter', sans-serif;
  --font-title: 'Outfit', sans-serif;

  /* Theme variables - Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-inverse: #ffffff;
  
  --color-primary: #0f172a;
  --color-secondary: #2563eb;
  --color-accent: #06b6d4;
  --color-accent-rgb: 6, 182, 212;
  --border-color: #e2e8f0;
  
  --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --card-shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(226, 232, 240, 0.8);
  --glass-backdrop: blur(12px);
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-bs-theme="dark"] {
  /* Theme variables - Dark Mode */
  --bg-primary: #020617;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-inverse: #020617;
  
  --color-primary: #f8fafc;
  --color-secondary: #3b82f6;
  --color-accent: #22d3ee;
  --color-accent-rgb: 34, 211, 238;
  --border-color: #1e293b;
  
  --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --card-shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.5);
  --glass-bg: rgba(15, 23, 42, 0.7);
  --glass-border: rgba(30, 41, 59, 0.8);
  
  /* Bootstrap overrides */
  --bs-body-bg: #020617;
  --bs-body-color: #f8fafc;
}

/* Global Reset & Base Styling */
body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  transition: var(--transition-smooth);
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--text-main);
  font-weight: 700;
}

p {
  color: var(--text-muted);
  line-height: 1.625;
}

a {
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* Header & Navigation */
.navbar {
  background-color: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.875rem 0;
  transition: var(--transition-smooth);
}

.navbar-brand {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-main) !important;
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand i {
  color: var(--color-secondary);
}

.nav-link {
  font-weight: 500;
  color: var(--text-muted) !important;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  border-radius: 0.375rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-secondary) !important;
  background-color: var(--bg-tertiary);
}

.dropdown-menu {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow-hover);
  border-radius: 0.75rem;
  padding: 0.5rem;
  margin-top: 0.5rem;
}

.dropdown-item {
  border-radius: 0.5rem;
  padding: 0.625rem 1rem;
  font-weight: 500;
  color: var(--text-main);
}

.dropdown-item:hover {
  background-color: var(--bg-secondary);
  color: var(--color-secondary);
}

.dropdown-item i {
  margin-right: 0.5rem;
  color: var(--text-muted);
}

.dropdown-item:hover i {
  color: var(--color-secondary);
}

/* Theme Toggle Button */
#themeToggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

#themeToggle:hover {
  background-color: var(--bg-secondary);
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 8rem 0 6rem;
  background-image: radial-gradient(circle at 10% 20%, rgba(var(--color-accent-rgb), 0.05) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(37, 99, 235, 0.05) 0%, transparent 40%);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-main) 60%, var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  max-width: 36rem;
}

/* Buttons */
.btn-primary-custom {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
  color: #ffffff !important;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

.btn-primary-custom:hover {
  background-color: #1d4ed8;
  border-color: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(37, 99, 235, 0.3);
}

.btn-secondary-custom {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-main) !important;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  transition: var(--transition-smooth);
}

.btn-secondary-custom:hover {
  background-color: var(--bg-secondary);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

/* Dashboard Mockup (SaaS Style) */
.dashboard-mockup {
  position: relative;
  border-radius: 1rem;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  margin-top: 3rem;
  transition: var(--transition-smooth);
}

.mockup-header {
  height: 3rem;
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 0.5rem;
}

.mockup-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
}

.mockup-dot-red { background-color: #ef4444; }
.mockup-dot-yellow { background-color: #f59e0b; }
.mockup-dot-green { background-color: #10b981; }

.mockup-title {
  margin-left: 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.mockup-body {
  padding: 1.5rem;
  background-color: var(--bg-primary);
  font-family: var(--font-sans);
}

/* Cards (Grid Items) */
.product-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2.25rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--color-secondary);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  opacity: 0;
  transition: var(--transition-smooth);
}

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

.card-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.75rem;
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.product-card.diagnosis-card .card-icon {
  background-color: rgba(6, 182, 212, 0.1);
  color: var(--color-accent);
}

.badge-coming-soon {
  background-color: rgba(6, 182, 212, 0.15);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: 50rem;
  display: inline-block;
  margin-bottom: 1rem;
}

.card-features-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 2rem;
  flex-grow: 1;
}

.card-features-list li {
  margin-bottom: 0.75rem;
  font-size: 0.925rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
}

.card-features-list li i {
  color: #10b981;
}

/* Features Grid Page Sections */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature-item {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1.75rem;
  transition: var(--transition-smooth);
}

.feature-item:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.feature-item-icon {
  font-size: 1.75rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

/* Stats / Highlights */
.stat-box {
  text-align: center;
  padding: 2rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
  font-family: var(--font-title);
}

/* Disclaimer Box */
.disclaimer-card {
  border-left: 4px solid #ef4444 !important;
  background-color: rgba(239, 68, 68, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 2rem;
  margin: 2.5rem 0;
}

.disclaimer-title {
  color: #ef4444;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

/* FAQs Accordion */
.accordion-item {
  background-color: var(--bg-primary) !important;
  border: 1px solid var(--border-color) !important;
  margin-bottom: 0.75rem;
  border-radius: 0.5rem !important;
  overflow: hidden;
}

.accordion-button {
  background-color: var(--bg-primary) !important;
  color: var(--text-main) !important;
  font-weight: 600;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-title);
  border: none !important;
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  color: var(--color-secondary) !important;
  border-bottom: 1px solid var(--border-color) !important;
}

.accordion-body {
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  line-height: 1.6;
}

/* Footer styling */
footer {
  margin-top: auto;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  font-size: 0.9rem;
}

.footer-logo {
  font-family: var(--font-title);
  font-weight: 800;
  color: var(--text-main);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-logo i {
  color: var(--color-secondary);
}

.footer-links-title {
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-links-list li {
  margin-bottom: 0.75rem;
}

.footer-links-list a {
  color: var(--text-muted);
}

.footer-links-list a:hover {
  color: var(--color-secondary);
  padding-left: 4px;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.social-link:hover {
  background-color: var(--color-secondary);
  color: #ffffff;
}

/* Form Styles */
.form-control, .form-select {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
}

.form-control:focus, .form-select:focus {
  background-color: var(--bg-primary);
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.15);
  color: var(--text-main);
}

/* Contact Page Additional Styles */
.contact-info-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 2rem;
}

/* Founder Profile Styling */
.founder-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 1.5rem;
  padding: 3rem;
  box-shadow: var(--card-shadow);
}

.founder-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  margin: 0 auto 2rem;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.founder-title {
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.founder-tagline {
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: 2rem;
}

.founder-skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.founder-skill-item {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.founder-skill-item:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  transform: translateY(-2px);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

/* Mockup inner code aesthetics */
.code-window-bar {
  background-color: var(--bg-tertiary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}
.dashboard-stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1rem;
}
.dashboard-stat-card .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}
.dashboard-stat-card .value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0.25rem 0;
}
.dashboard-chart-placeholder {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  height: 120px;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  gap: 0.5rem;
}
.chart-bar {
  background-color: var(--color-secondary);
  width: 100%;
  border-radius: 0.25rem 0.25rem 0 0;
  transition: height 0.5s ease-in-out;
}
.chart-bar:nth-child(2) { background-color: var(--color-accent); height: 70%; }
.chart-bar:nth-child(3) { background-color: var(--color-secondary); height: 45%; }
.chart-bar:nth-child(4) { background-color: var(--color-accent); height: 85%; }
.chart-bar:nth-child(5) { background-color: var(--color-secondary); height: 60%; }

/* Custom Demo Tab Styles */
.nav-pills .nav-link {
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  border-radius: 0.5rem;
  padding: 0.6rem 1.2rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.nav-pills .nav-link:hover {
  background-color: var(--bg-secondary);
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.nav-pills .nav-link.active {
  background-color: var(--color-secondary) !important;
  color: #ffffff !important;
  border-color: var(--color-secondary) !important;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}