/* ===========================
   Taskkd Landing Page Styles
   =========================== */

:root {
  /* Taskkd Professional Event Planning Theme */
  --primary-color: #3b82f6;
  --primary-light: #60a5fa;
  --primary-dark: #2563eb;
  
  --secondary-color: #6b7280;
  --success-color: #10b981;
  --success-light: #34d399;
  --success-dark: #059669;
  
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --info-color: #06b6d4;
  
  --light-bg: #f9fafb;
  --surface-muted: #f5f7fb;
  --dark-text: #111827;
  --text-secondary: #6b7280;
  --muted-text: #6b7280;
  --border-color: #e5e7eb;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --transition-base: all 0.3s ease;
}

/* ===========================
   Dark Mode Logo Support
   =========================== */

/* Show light logo in light mode (default) */
img.logo-light {
  display: inline-block !important;
}

img.logo-dark {
  display: none !important;
}

/* Show dark logo in dark mode */
@media (prefers-color-scheme: dark) {
  img.logo-light {
    display: none !important;
  }

  img.logo-dark {
    display: inline-block !important;
  }
}

/* ===========================
   Global Styles
   =========================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--dark-text);
  background-color: #fff;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

p {
  font-size: 1rem;
}

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

/* ===========================
   Utilities & Helpers
   =========================== */

.text-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-gradient {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--info-color) 100%);
}

.taskkd-logo-icon {
  height: 32px;
  width: 32px;
  display: inline-block;
}

.hover-shadow {
  transition: var(--transition-base);
}

.hover-shadow:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1) !important;
  transform: translateY(-4px);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

/* ===========================
   Navigation Bar
   =========================== */

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

.navbar-brand {
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}

.navbar-brand i {
  margin-right: 0.5rem;
  font-size: 1.75rem;
}

.navbar-light .navbar-nav .nav-link {
  color: #212529 !important;
  font-weight: 500;
  transition: var(--transition-base);
  position: relative;
}

.navbar-light .navbar-nav .nav-link:hover {
  color: var(--primary-color) !important;
}

.navbar-light .navbar-nav .nav-link:focus {
  color: #212529 !important;
}

.navbar-light .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.navbar-light .navbar-nav .nav-link:hover::after {
  width: 100%;
}

/* ===========================
   Hero Section
   =========================== */

.hero-section {
  min-height: calc(100vh - 70px);
  background: linear-gradient(135deg, #f0f9ff 0%, #f0f4f8 100%);
  display: flex;
  align-items: center;
  padding: 60px 0;
}

.hero-headline {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-section p.lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 600px;
  line-height: 1.8;
}

.hero-graphic {
  position: relative;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

.hero-graphic .card {
  border-top: 4px solid var(--primary-color);
}

.hero-graphic .card-header {
  background: linear-gradient(135deg, #1e3a8a 0%, #0c4a6e 100%) !important;
  color: white;
}

/* Timeline Demo */
.timeline-demo {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.timeline-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.timeline-marker {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}

.timeline-marker.primary {
  background-color: #a78bfa;
}

.timeline-marker.success {
  background-color: #86efac;
}

.timeline-content {
  flex: 1;
}

.timeline-content strong {
  color: white;
  font-size: 0.95rem;
  display: block;
}

.timeline-content small {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
}

.hero-graphic .text-muted {
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: 0.85rem;
}

/* ===========================
   Features Section
   =========================== */

.feature-card {
  transition: var(--transition-base);
  border-top: 4px solid transparent;
}

.feature-card:hover {
  border-top-color: var(--primary-color);
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(96, 165, 250, 0.1));
  border-radius: 12px;
  font-size: 1.75rem;
}

.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(6, 182, 212, 0.1));
}

.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(245, 158, 11, 0.1));
}

/* ===========================
   Steps / How It Works
   =========================== */

.step-card {
  position: relative;
  padding: 2rem;
}

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

.step-card h5 {
  color: var(--primary-color);
  font-size: 1.25rem;
}

/* ===========================
   Pricing Section
   =========================== */

.pricing-card {
  position: relative;
  border: 2px solid transparent;
  transition: var(--transition-base);
  background: white;
}

.pricing-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 20px 25px -5px rgba(91, 33, 182, 0.2) !important;
  transform: translateY(-8px);
}

.pricing-card h5 {
  color: var(--primary-color);
}

.pricing-card ul li {
  font-size: 0.95rem;
  color: var(--muted-text);
}

.pricing-card ul li i {
  margin-right: 0.75rem;
  color: var(--success-color);
  font-weight: 700;
}

/* ===========================
   Use Cases / For Teams
   =========================== */

.use-case-card {
  transition: var(--transition-base);
  border-radius: 16px;
  border-left: 4px solid transparent;
}

.use-case-card:nth-child(1) {
  border-left-color: var(--danger-color);
}

.use-case-card:nth-child(2) {
  border-left-color: var(--primary-color);
}

.use-case-card:nth-child(3) {
  border-left-color: var(--warning-color);
}

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

.icon-box {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

/* ===========================
   Accordion / FAQ
   =========================== */

.accordion-button {
  font-weight: 600;
  color: var(--dark-text);
  background-color: transparent;
  border: 2px solid var(--border-color);
  border-radius: 12px !important;
  margin-bottom: 1rem;
  padding: 1.25rem;
  transition: var(--transition-base);
}

.accordion-button:not(.collapsed) {
  background-color: #f3e8ff;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.accordion-button:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(91, 33, 182, 0.25);
}

.accordion-body {
  padding: 1.25rem;
  color: var(--muted-text);
  background-color: #fafafa;
  border-radius: 0 0 12px 12px;
  line-height: 1.8;
}

/* ===========================
   Early Adopter CTA
   =========================== */

#early-adopter.bg-gradient {
  background: linear-gradient(135deg, #1e3a8a 0%, #0c4a6e 100%) !important;
}

#earlyAdopterForm {
  margin-bottom: 2rem;
}

#earlyAdopterForm .form-control {
  border: 2px solid rgba(255, 255, 255, 0.3);
  background-color: rgba(255, 255, 255, 0.95);
  padding: 12px 20px;
  font-size: 1rem;
  border-radius: 8px;
  transition: var(--transition-base);
}

#earlyAdopterForm .form-control:focus {
  border-color: white;
  background-color: white;
  box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.25);
}

#earlyAdopterForm .form-control::placeholder {
  color: #9ca3af;
}

.btn-light {
  background-color: white;
  color: var(--primary-color);
  font-weight: 600;
  border: none;
  transition: var(--transition-base);
  padding: 12px 32px;
}

.btn-light:hover {
  background-color: #f3f4f6;
  transform: translateX(4px);
}

#formMessage {
  border-radius: 8px;
  padding: 1rem;
  font-weight: 500;
}

#formMessage.alert-success {
  background-color: rgba(16, 185, 129, 0.2);
  color: var(--success-color);
  border: 1px solid var(--success-color);
}

#formMessage.alert-danger {
  background-color: rgba(239, 68, 68, 0.2);
  color: var(--danger-color);
  border: 1px solid var(--danger-color);
}

/* ===========================
   Footer
   =========================== */

footer {
  background-color: #111827;
  border-top: 1px solid var(--border-color);
}

footer a {
  transition: var(--transition-base);
}

footer a:hover {
  color: var(--primary-color) !important;
}

footer .btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition-base);
}

footer .btn-outline-light:hover {
  border-color: #3b82f6;
  background-color: #3b82f6;
}

/* ===========================
   Buttons - Global
   =========================== */

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  font-weight: 600;
  transition: var(--transition-base);
  padding: 10px 24px;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

.btn-primary:focus {
  box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.5);
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
  font-weight: 600;
  transition: var(--transition-base);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

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

@media (max-width: 768px) {
  .hero-section {
    min-height: auto;
    padding: 40px 0;
  }

  .hero-headline {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .hero-section p.lead {
    font-size: 1rem;
  }

  .hero-graphic {
    margin-top: 2rem;
  }

  .display-5 {
    font-size: 2rem;
  }

  .display-6 {
    font-size: 1.75rem;
  }

  .d-flex.gap-3 {
    flex-direction: column;
  }

  .d-flex.gap-3 .btn {
    width: 100%;
  }

  .w-md-auto {
    width: auto !important;
  }

  .text-md-end {
    text-align: start !important;
  }

  ul.d-flex.justify-content-md-end {
    justify-content: start !important;
  }

  .accordion-button {
    font-size: 0.95rem;
    padding: 1rem;
  }

  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }

  footer .row {
    text-align: center;
  }

  footer .row.align-items-center {
    flex-direction: column-reverse;
  }
}

@media (max-width: 576px) {
  .hero-headline {
    font-size: 1.75rem;
  }

  .lead {
    font-size: 0.95rem;
  }

  .display-4 {
    font-size: 1.75rem;
  }

  .step-number {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }

  .timeline-demo {
    gap: 0.75rem;
  }

  .timeline-item {
    gap: 0.75rem;
  }

  .pricing-card,
  .feature-card,
  .use-case-card {
    border-radius: 12px;
  }
}

/* ===========================
   Animations
   =========================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===========================
   Accessibility
   =========================== */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #1f2937;
    color: #f9fafb;
  }

  .bg-light {
    background-color: #111827 !important;
  }

  .bg-white {
    background-color: #1f2937 !important;
  }

  .card {
    background-color: #111827 !important;
    border-color: #374151 !important;
  }

  .text-muted {
    color: #9ca3af !important;
  }

  .form-control {
    background-color: #374151 !important;
    border-color: #4b5563 !important;
    color: #f9fafb !important;
  }

  .navbar {
    background-color: #111827 !important;
    border-bottom-color: #374151 !important;
  }

  .navbar-light .navbar-nav .nav-link {
    color: #e5e7eb !important;
  }

  .navbar-light .navbar-nav .nav-link:hover {
    color: #60a5fa !important;
  }

  .navbar-brand {
    color: #60a5fa !important;
  }

  .hero-graphic .card {
    background-color: #111827 !important;
  }

  .hero-graphic .card-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #0c4a6e 100%) !important;
    color: white !important;
  }

  .timeline-content strong {
    color: white !important;
  }

  .timeline-content small {
    color: rgba(255, 255, 255, 0.8) !important;
  }

  .accordion-button:not(.collapsed) {
    background-color: #374151 !important;
  }

  .accordion-body {
    background-color: #0f1419 !important;
  }
}

/* ===========================
   Print Styles
   =========================== */

@media print {
  .navbar,
  footer,
  .btn,
  #earlyAdopterForm {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  h1, h2, h3 {
    page-break-after: avoid;
  }

  .feature-card,
  .use-case-card {
    page-break-inside: avoid;
  }
}

/* ===========================
   Modal Styles
   =========================== */

#earlyAdopterModal .modal-content {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  color-scheme: light;
}

#earlyAdopterModal .modal-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

#earlyAdopterModal .modal-title {
  color: var(--dark-text);
  font-size: 1.25rem;
  font-weight: 700;
}

#earlyAdopterModal .modal-body {
  background-color: #ffffff;
  color: var(--dark-text);
}

#earlyAdopterModal .modal-body p {
  color: var(--text-secondary);
}

#earlyAdopterModal .form-label {
  color: var(--dark-text);
  font-weight: 600;
}

#earlyAdopterModal .form-control,
#earlyAdopterModal .form-select {
  border: 1px solid #d1d5db !important;
  color: #111827 !important;
  background-color: #ffffff !important;
  color-scheme: light;
}

#earlyAdopterModal .form-control::placeholder {
  color: #6b7280 !important;
  opacity: 1;
}

#earlyAdopterModal .form-control::-webkit-autofill {
  -webkit-box-shadow: 0 0 0 30px white inset !important;
  -webkit-text-fill-color: #111827 !important;
}

#earlyAdopterModal .form-control:focus,
#earlyAdopterModal .form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
  color: #111827 !important;
  background-color: #ffffff !important;
}

#earlyAdopterModal option {
  color: #111827 !important;
  background-color: #ffffff !important;
}

#earlyAdopterModal .modal-footer {
  background-color: #ffffff;
  border-top: 1px solid #e5e7eb;
}

#earlyAdopterModal .btn-close {
  filter: brightness(0.5);
}

/* Override dark mode styles specifically for modal */
@media (prefers-color-scheme: dark) {
  #earlyAdopterModal .modal-content {
    background-color: #ffffff !important;
    color: #111827 !important;
  }

  #earlyAdopterModal .modal-header {
    background-color: #ffffff !important;
    border-bottom-color: #e5e7eb !important;
  }

  #earlyAdopterModal .modal-body {
    background-color: #ffffff !important;
    color: #111827 !important;
  }

  #earlyAdopterModal .modal-footer {
    background-color: #ffffff !important;
    border-top-color: #e5e7eb !important;
  }

  #earlyAdopterModal .modal-title {
    color: #111827 !important;
  }

  #earlyAdopterModal .form-label {
    color: #111827 !important;
  }

  #earlyAdopterModal .form-control,
  #earlyAdopterModal .form-select {
    background-color: #ffffff !important;
    color: #111827 !important;
    border-color: #d1d5db !important;
  }

  #earlyAdopterModal .form-control::placeholder {
    color: #6b7280 !important;
  }

  #earlyAdopterModal .form-control:focus,
  #earlyAdopterModal .form-select:focus {
    background-color: #ffffff !important;
    color: #111827 !important;
    border-color: var(--primary-color) !important;
  }

  #earlyAdopterModal option {
    color: #111827 !important;
    background-color: #ffffff !important;
  }

  #earlyAdopterModal .text-muted {
    color: #6b7280 !important;
  }
}