/* Custom styles for Tender Radar Marketing Website */

/* ===== Theme Variables ===== */
:root {
  /* Primary colors (same for both themes) */
  --primary-50: #f0fdf4;
  --primary-100: #dcfce7;
  --primary-200: #bbf7d0;
  --primary-300: #86efac;
  --primary-400: #4ade80;
  --primary-500: #22c55e;
  --primary-600: #16a34a;
  --primary-700: #15803d;
  --primary-800: #166534;
  --primary-900: #14532d;
  --primary-950: #052e16;

  /* Dark theme (default) */
  --bg-primary: #020617; /* slate-950 */
  --bg-secondary: #0f172a; /* slate-900 */
  --bg-tertiary: #1e293b; /* slate-800 */
  --bg-card: rgba(30, 41, 59, 0.5); /* slate-800/50 */
  --bg-card-hover: rgba(30, 41, 59, 0.8);

  --text-primary: #f8fafc; /* slate-50 */
  --text-secondary: #e2e8f0; /* slate-200 */
  --text-muted: #94a3b8; /* slate-400 */
  --text-dimmed: #64748b; /* slate-500 */

  --border-primary: #334155; /* slate-700 */
  --border-secondary: rgba(51, 65, 85, 0.5); /* slate-700/50 */

  --nav-bg: rgba(2, 6, 23, 0.8);
  --nav-bg-scroll: rgba(2, 6, 23, 0.95);

  --scrollbar-track: #0f172a;
  --scrollbar-thumb: #334155;
  --scrollbar-thumb-hover: #475569;

  /* Specific overrides */
  --hero-gradient-from: rgba(5, 46, 22, 0.5); /* primary-950/50 */
  --problem-card-hover-red: rgba(239, 68, 68, 0.3);
  --problem-card-hover-amber: rgba(245, 158, 11, 0.3);
  --problem-card-hover-orange: rgba(249, 115, 22, 0.3);
}

/* Light theme */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc; /* slate-50 */
  --bg-tertiary: #f1f5f9; /* slate-100 */
  --bg-card: rgba(241, 245, 249, 0.8); /* slate-100/80 */
  --bg-card-hover: rgba(226, 232, 240, 0.8); /* slate-200/80 */

  --text-primary: #0f172a; /* slate-900 */
  --text-secondary: #1e293b; /* slate-800 */
  --text-muted: #475569; /* slate-600 */
  --text-dimmed: #64748b; /* slate-500 */

  --border-primary: #e2e8f0; /* slate-200 */
  --border-secondary: rgba(226, 232, 240, 0.5); /* slate-200/50 */

  --nav-bg: rgba(255, 255, 255, 0.8);
  --nav-bg-scroll: rgba(255, 255, 255, 0.95);

  --scrollbar-track: #f1f5f9;
  --scrollbar-thumb: #cbd5e1;
  --scrollbar-thumb-hover: #94a3b8;

  --hero-gradient-from: rgba(220, 252, 231, 0.5); /* primary-100/50 */
  --problem-card-hover-red: rgba(254, 202, 202, 0.5);
  --problem-card-hover-amber: rgba(253, 230, 138, 0.5);
  --problem-card-hover-orange: rgba(254, 215, 170, 0.5);
}

/* ===== Light Theme Overrides for Tailwind Classes ===== */
/* These override Tailwind's dark slate classes when in light mode */

[data-theme="light"] .bg-slate-950 {
  background-color: #ffffff !important;
}

[data-theme="light"] .bg-slate-900 {
  background-color: #f8fafc !important;
}

[data-theme="light"] .bg-slate-800 {
  background-color: #f1f5f9 !important;
}

[data-theme="light"] .bg-slate-800\/50 {
  background-color: rgba(241, 245, 249, 0.8) !important;
}

[data-theme="light"] .bg-slate-800\/30 {
  background-color: rgba(241, 245, 249, 0.6) !important;
}

[data-theme="light"] .bg-slate-800\/80 {
  background-color: rgba(241, 245, 249, 0.9) !important;
}

[data-theme="light"] .bg-slate-700 {
  background-color: #e2e8f0 !important;
}

[data-theme="light"] .hover\:bg-slate-800\/50:hover {
  background-color: rgba(226, 232, 240, 0.5) !important;
}

[data-theme="light"] .hover\:bg-slate-800:hover {
  background-color: #e2e8f0 !important;
}

[data-theme="light"] .hover\:bg-slate-700:hover {
  background-color: #cbd5e1 !important;
}

[data-theme="light"] .hover\:bg-slate-900\/50:hover {
  background-color: rgba(241, 245, 249, 0.5) !important;
}

/* Text colors */
[data-theme="light"] .text-white {
  color: #0f172a !important;
}

[data-theme="light"] .text-slate-100 {
  color: #1e293b !important;
}

[data-theme="light"] .text-slate-200 {
  color: #334155 !important;
}

[data-theme="light"] .text-slate-300 {
  color: #475569 !important;
}

[data-theme="light"] .text-slate-400 {
  color: #64748b !important;
}

[data-theme="light"] .text-slate-500 {
  color: #64748b !important;
}

[data-theme="light"] .text-slate-600 {
  color: #475569 !important; /* slate-600 default - WCAG AA compliant (~7:1 contrast) */
}

[data-theme="light"] .hover\:text-white:hover {
  color: #0f172a !important;
}

/* Border colors */
[data-theme="light"] .border-slate-800 {
  border-color: #e2e8f0 !important;
}

[data-theme="light"] .border-slate-800\/50 {
  border-color: rgba(226, 232, 240, 0.5) !important;
}

[data-theme="light"] .border-slate-700 {
  border-color: #e2e8f0 !important;
}

[data-theme="light"] .border-slate-700\/50 {
  border-color: rgba(226, 232, 240, 0.5) !important;
}

[data-theme="light"] .border-slate-600 {
  border-color: #cbd5e1 !important;
}

[data-theme="light"] .hover\:border-slate-600:hover {
  border-color: #94a3b8 !important;
}

[data-theme="light"] .hover\:border-slate-700:hover {
  border-color: #94a3b8 !important;
}

/* Divide colors */
[data-theme="light"] .divide-slate-800 > :not([hidden]) ~ :not([hidden]) {
  border-color: #e2e8f0 !important;
}

/* Gradients */
[data-theme="light"] .from-primary-950\/50 {
  --tw-gradient-from: rgba(220, 252, 231, 0.7) var(--tw-gradient-from-position) !important;
}

[data-theme="light"] .via-slate-950 {
  --tw-gradient-to: #ffffff var(--tw-gradient-to-position) !important;
  --tw-gradient-stops:
    var(--tw-gradient-from), #ffffff var(--tw-gradient-via-position),
    var(--tw-gradient-to) !important;
}

[data-theme="light"] .to-slate-950 {
  --tw-gradient-to: #ffffff var(--tw-gradient-to-position) !important;
}

[data-theme="light"] .from-slate-950 {
  --tw-gradient-from: #ffffff var(--tw-gradient-from-position) !important;
}

[data-theme="light"] .to-primary-950\/30 {
  --tw-gradient-to: rgba(220, 252, 231, 0.4) var(--tw-gradient-to-position) !important;
}

[data-theme="light"] .bg-gradient-to-b {
  background-image: linear-gradient(
    to bottom,
    var(--tw-gradient-stops)
  ) !important;
}

/* Specific component fixes for light mode */
[data-theme="light"] .bg-slate-950\/80 {
  background-color: rgba(255, 255, 255, 0.8) !important;
}

[data-theme="light"] .bg-slate-950\/95 {
  background-color: rgba(255, 255, 255, 0.95) !important;
}

/* Radar rings in light mode */
[data-theme="light"] .radar-ring {
  border-color: rgba(34, 197, 94, 0.3) !important;
}

/* CTA section in light mode */
[data-theme="light"] #cta .border-primary-500\/20 {
  border-color: rgba(34, 197, 94, 0.25) !important;
}

[data-theme="light"] #cta .bg-primary-500\/5 {
  background-color: rgba(34, 197, 94, 0.05) !important;
}

[data-theme="light"] #cta .bg-primary-500\/10 {
  background-color: rgba(34, 197, 94, 0.08) !important;
}

/* Primary buttons always have white text */
[data-theme="light"] .bg-primary-500 {
  color: #ffffff !important;
}

[data-theme="light"] .bg-primary-500 span,
[data-theme="light"] .bg-primary-500 svg {
  color: #ffffff !important;
}

[data-theme="light"] .hover\:bg-primary-600:hover {
  color: #ffffff !important;
}

/* Carousel navigation arrows always white */
[data-theme="light"] #carousel-prev,
[data-theme="light"] #carousel-next {
  color: #ffffff !important;
  background-color: rgba(30, 41, 59, 0.9) !important;
  border-color: rgba(71, 85, 105, 0.5) !important;
}

[data-theme="light"] #carousel-prev:hover,
[data-theme="light"] #carousel-next:hover {
  background-color: rgba(51, 65, 85, 1) !important;
}

/* ===== Base Styles ===== */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

/* ===== Theme-aware utility classes ===== */
.theme-bg-primary {
  background-color: var(--bg-primary);
}

.theme-bg-secondary {
  background-color: var(--bg-secondary);
}

.theme-bg-tertiary {
  background-color: var(--bg-tertiary);
}

.theme-bg-card {
  background-color: var(--bg-card);
}

.theme-text-primary {
  color: var(--text-primary);
}

.theme-text-secondary {
  color: var(--text-secondary);
}

.theme-text-muted {
  color: var(--text-muted);
}

.theme-text-dimmed {
  color: var(--text-dimmed);
}

.theme-border {
  border-color: var(--border-primary);
}

.theme-border-secondary {
  border-color: var(--border-secondary);
}

/* Navigation theme */
.theme-nav {
  background-color: var(--nav-bg);
  border-color: var(--border-secondary);
}

.theme-nav.scrolled {
  background-color: var(--nav-bg-scroll);
}

/* ===== Particle Canvas ===== */
#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

#hero > *:not(#particle-canvas) {
  position: relative;
  z-index: 2;
}

/* ===== Radar pulse animations ===== */
@keyframes ping-slow {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

@keyframes ping-slower {
  0% {
    transform: scale(1);
    opacity: 0.3;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

@keyframes ping-slowest {
  0% {
    transform: scale(1);
    opacity: 0.2;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

.animate-ping-slow {
  animation: ping-slow 3s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.animate-ping-slower {
  animation: ping-slower 4s cubic-bezier(0, 0, 0.2, 1) infinite;
  animation-delay: 0.5s;
}

.animate-ping-slowest {
  animation: ping-slowest 5s cubic-bezier(0, 0, 0.2, 1) infinite;
  animation-delay: 1s;
}

/* ===== Fade in animation ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* ===== Navigation states ===== */
.nav-link.active {
  color: var(--primary-500);
}

.lang-btn.active {
  color: var(--primary-500);
  font-weight: 600;
}

/* Theme toggle button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--primary-500);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  width: 18px;
  height: 18px;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}

/* Dark mode: show moon, hide sun */
.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

/* Light mode: show sun, hide moon */
[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

/* ===== Accordion ===== */
.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.3s ease-out,
    padding 0.3s ease-out;
}

.accordion-item.open .accordion-content {
  max-height: 500px;
}

.accordion-content.hidden {
  display: block;
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
}

.accordion-item.open .accordion-content.hidden {
  max-height: 500px;
  padding-top: 0.5rem;
  padding-bottom: 1.5rem;
}

/* ===== Carousel ===== */
#carousel-track {
  will-change: transform;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Laptop Mockup ===== */
.laptop-mockup {
  perspective: 1000px;
}

.laptop-screen {
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.05) inset,
    0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.browser-content {
  position: relative;
}

.browser-content img {
  transition: opacity 0.3s ease;
}

/* Light mode laptop adjustments */
[data-theme="light"] .laptop-screen {
  background-color: #e2e8f0 !important;
  border-color: #cbd5e1 !important;
}

[data-theme="light"] .browser-chrome {
  background-color: #f1f5f9 !important;
}

[data-theme="light"] .browser-chrome .border-slate-600 {
  border-color: #e2e8f0 !important;
}

[data-theme="light"] .browser-chrome .bg-slate-600 {
  background-color: #e2e8f0 !important;
}

[data-theme="light"] .browser-content {
  background-color: #ffffff !important;
}

[data-theme="light"] .laptop-base {
  background: linear-gradient(to bottom, #cbd5e1, #e2e8f0) !important;
  border-color: #cbd5e1 !important;
}

[data-theme="light"] .laptop-bottom {
  background-color: #cbd5e1 !important;
}

.carousel-dot {
  transition: all 0.2s ease;
}

.carousel-dot.active {
  background-color: var(--primary-500);
  width: 1.5rem;
  border-radius: 9999px;
}

/* ===== Mobile Menu ===== */
#mobile-menu {
  transition:
    max-height 0.3s ease-out,
    opacity 0.3s ease-out;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  background-color: var(--bg-secondary);
  border-top-color: var(--border-primary);
}

#mobile-menu.open {
  max-height: 500px;
  opacity: 1;
}

/* ===== Button Effects ===== */
a[href*="north-47.com/contact-form"]:hover {
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.3);
}

/* ===== Cards & Hovers ===== */
table tbody tr {
  transition: background-color 0.2s ease;
}

.group:hover {
  transform: translateY(-2px);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.solution-step .step-number {
  position: absolute;
  top: -8px;
  right: -8px;
}

/* ===== Hero scroll indicator ===== */
@keyframes bounce {
  0%,
  100% {
    transform: translateY(0) translateX(-50%);
  }
  50% {
    transform: translateY(10px) translateX(-50%);
  }
}

/* ===== Mobile Styles ===== */
@media (max-width: 768px) {
  .radar-ring:nth-child(1) {
    width: 300px !important;
    height: 300px !important;
  }
  .radar-ring:nth-child(2) {
    width: 400px !important;
    height: 400px !important;
  }
  .radar-ring:nth-child(3) {
    width: 500px !important;
    height: 500px !important;
  }

  #hero {
    padding-top: 5rem;
    padding-bottom: 3rem;
  }

  #carousel-prev,
  #carousel-next {
    display: none;
  }
}

/* ===== Accessibility ===== */
a:focus,
button:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .theme-border {
    border-color: var(--text-muted);
  }
  .theme-text-muted {
    color: var(--text-secondary);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ===== Print Styles ===== */
@media print {
  nav,
  #mobile-menu-btn,
  .theme-toggle,
  .animate-ping-slow,
  .animate-ping-slower,
  .animate-ping-slowest {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  section {
    page-break-inside: avoid;
  }
}

/* ===== Screen Reader Only (Accessibility) ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}