@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&display=swap');
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@3.4.1/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css');

:root {
  --ia-cyan: #00AEEF;
  --ia-cyan-soft: #60A5FA;
  --ia-dark: #111827;
  --ia-bg: #ffffff;
}

* {
  font-family: 'Prompt', sans-serif;
}

body {
  background-color: var(--ia-bg);
  color: var(--ia-dark);
}

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

a:hover {
  color: var(--ia-cyan);
}

.ia-gradient-button {
  background: linear-gradient(120deg, var(--ia-cyan), var(--ia-cyan-soft));
  color: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.3s ease;
}

.ia-gradient-button:hover,
.ia-gradient-button:focus {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -12px rgba(0, 174, 239, 0.6);
}


.ia-logo-square {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 10px 24px -16px rgba(15, 23, 42, 0.5);
}

.ia-rounded-card {
  border-radius: 1.25rem;
  box-shadow: 0 12px 30px -20px rgba(15, 23, 42, 0.4);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  background-color: #fff;
  position: relative;
  overflow: hidden;
}

.ia-rounded-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 45px -25px rgba(15, 23, 42, 0.5);
}

.ia-glossy-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% -20%, rgba(255, 255, 255, 0.45), transparent 45%),
              linear-gradient(140deg, rgba(0, 174, 239, 0.18), rgba(96, 165, 250, 0.08));
  pointer-events: none;
}

.ia-glossy-card {
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.ia-dotted-bg {
  background-image: radial-gradient(rgba(17, 24, 39, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}

.navbar {
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

.navbar.sticky-active {
  box-shadow: 0 10px 30px -20px rgba(15, 23, 42, 0.4);
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
}

.search-input {
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.search-input:focus {
  box-shadow: 0 12px 24px -18px rgba(0, 174, 239, 0.5);
  border-color: var(--ia-cyan);
  transform: translateY(-2px);
}

.course-card {
  border-radius: 1rem;
  border: 1px solid rgba(17, 24, 39, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.course-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 25px 50px -25px rgba(17, 24, 39, 0.4);
  border-color: var(--ia-cyan);
}

.badge-card {
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 15px 35px -25px rgba(17, 24, 39, 0.38);
  transition: transform 0.3s ease;
}

.badge-card:hover {
  transform: rotate3d(1, -1, 0, 6deg) translateY(-4px);
}

.community-section {
  background: linear-gradient(135deg, rgba(0, 174, 239, 0.92), rgba(96, 165, 250, 0.92));
  color: #fff;
}

.fade-section {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.footer-dark {
  background-color: var(--ia-dark);
  color: rgba(243, 244, 246, 0.9);
}

.footer-dark a {
  color: rgba(243, 244, 246, 0.8);
  transition: color 0.2s ease;
}

.footer-dark a:hover {
  color: #fff;
}

.lang-dropdown .dropdown-menu {
  min-width: 140px;
}

/* Analytics hero 3D showcase */

.ia-analytics-stage--wide .ia-analytics-stack {
  width: min(560px, 100%);
}

.ia-analytics-stage--wide .ia-analytics-slab {
  padding: 2.5rem;
}

.ia-analytics-stage {
  position: relative;
  perspective: 1600px;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ia-analytics-stage::after {
  content: '';
  position: absolute;
  inset: auto 0 -60px;
  height: 160px;
  background: radial-gradient(circle, rgba(0, 174, 239, 0.28), transparent 60%);
  filter: blur(24px);
  z-index: 0;
}

.ia-analytics-stack {
  position: relative;
  width: min(420px, 100%);
  transform-style: preserve-3d;
  transform: rotateX(calc(var(--tiltY, 0) * 1deg)) rotateY(calc(var(--tiltX, 0) * 1deg));
  transition: transform 0.6s ease, box-shadow 0.6s ease;
}

.ia-analytics-slab {
  position: relative;
  background: linear-gradient(140deg, rgba(15, 23, 42, 0.95), rgba(37, 99, 235, 0.75));
  border-radius: 1.5rem;
  padding: 2rem;
  color: #fff;
  box-shadow: 0 45px 90px -40px rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transform-style: preserve-3d;
}

.ia-chart-grid {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(15, 23, 42, 0.1));
  border-radius: 1.25rem;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.ia-chart-line {
  position: absolute;
  inset: 18% 12% auto;
  height: 2px;
  background: linear-gradient(90deg, rgba(96, 165, 250, 0), rgba(96, 165, 250, 0.9));
  opacity: 0.6;
}

.ia-chart-line--two {
  top: 52%;
  animation: slideLine 6s ease-in-out infinite;
}

.ia-chart-line--one {
  top: 75%;
  animation: slideLine 7.5s ease-in-out infinite;
}

@keyframes slideLine {
  0%, 100% {
    transform: translateX(-15%);
  }
  50% {
    transform: translateX(15%);
  }
}

.ia-chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  position: relative;
  height: 140px;
}

.ia-chart-bar {
  position: relative;
  width: 2.2rem;
  height: calc(var(--bar-height) + 0%);
  margin-top: auto;
  border-radius: 1rem 1rem 0 0;
  background: linear-gradient(160deg, rgba(0, 213, 255, 0.9), rgba(96, 165, 250, 0.5));
  box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.16);
  transform-origin: bottom;
  animation: growBar 2.4s ease calc(var(--bar-delay)) infinite alternate;
}

.ia-chart-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.65), transparent 70%);
  opacity: 0.35;
}

@keyframes growBar {
  0% {
    transform: scaleY(0.85);
  }
  100% {
    transform: scaleY(1.05);
  }
}

.ia-chart-glow {
  position: absolute;
  inset: 55% 10% -20% 10%;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.22), transparent 65%);
  filter: blur(16px);
}


.ia-ai-inline {
  background: rgba(15, 23, 42, 0.35);
  border-radius: 1.25rem;
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
}

.ia-ai-inline .ia-ai-message {
  margin: 0;
}

.ia-ai-console {
  position: absolute;
  inset: auto 0 -120px auto;
  width: min(280px, 70%);
  background: linear-gradient(160deg, rgba(14, 165, 233, 0.92), rgba(79, 70, 229, 0.9));
  border-radius: 1.5rem;
  padding: 1.5rem;
  color: #fff;
  transform: translateZ(120px) translateX(60px) translateY(30px);
  box-shadow: 0 35px 60px -30px rgba(30, 64, 175, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.ia-ai-message {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  padding: 1rem;
  line-height: 1.5;
  color: #fff;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.ia-ai-message.pulse {
  transform: translateY(-6px);
  opacity: 0.85;
}

.ia-floating-orb {
  position: absolute;
  right: -40px;
  top: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.7), rgba(79, 70, 229, 0.4), rgba(15, 23, 42, 0.2));
  box-shadow: 0 30px 75px -40px rgba(79, 70, 229, 0.8);
  animation: float 8s ease-in-out infinite;
  transform: translateZ(200px);
}

.ia-orb-core {
  position: absolute;
  inset: 30%;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(14, 165, 233, 0.7));
  box-shadow: inset 0 0 25px rgba(255, 255, 255, 0.5);
}

.ia-orb-ring {
  position: absolute;
  inset: -15%;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.35);
  animation: spin 12s linear infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateZ(200px) translateY(0);
  }
  50% {
    transform: translateZ(200px) translateY(-22px);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.ia-analytics-card {
  position: absolute;
  left: -60px;
  bottom: -60px;
  width: 200px;
  border-radius: 1.2rem;
  background: linear-gradient(150deg, rgba(96, 165, 250, 0.95), rgba(14, 165, 233, 0.8));
  padding: 1.25rem;
  color: #fff;
  transform: translateZ(160px);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.ia-lounge-card {
  position: relative;
  border-radius: 2rem;
  background: linear-gradient(160deg, rgba(0, 174, 239, 0.88), rgba(79, 70, 229, 0.82));
  box-shadow: 0 40px 80px -40px rgba(15, 23, 42, 0.6);
  overflow: hidden;
}

.ia-lounge-card::before {
  content: '';
  position: absolute;
  inset: -40% -10% 50% 60%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.5), transparent 65%);
  opacity: 0.65;
}

.ia-lounge-card::after {
  content: '';
  position: absolute;
  inset: 20% 10% 0 -30%;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.28), transparent 55%);
  opacity: 0.4;
}

.glossy-chip {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}


.auth-body {
  background: linear-gradient(135deg, rgba(0, 174, 239, 0.08), rgba(96, 165, 250, 0.1));
  min-height: 100vh;
}

.auth-layout {
  min-height: 100vh;
}

.auth-form-column {
  background: #ffffff;
}

.auth-card {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 1.75rem;
  box-shadow: 0 35px 80px -40px rgba(15, 23, 42, 0.35);
  border: 1px solid rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(14px);
  max-width: 420px;
}

.auth-tabs .nav-link {
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  background: rgba(148, 163, 184, 0.18);
  color: rgba(15, 23, 42, 0.6);
  border: none;
  transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.auth-tabs .nav-link.active {
  background: linear-gradient(120deg, rgba(0, 174, 239, 0.95), rgba(96, 165, 250, 0.9));
  color: #fff;
  box-shadow: 0 12px 24px -14px rgba(0, 174, 239, 0.65);
}

.auth-form .form-control {
  border-radius: 0.9rem;
  padding: 0.85rem 1rem;
  border-color: rgba(15, 23, 42, 0.12);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-form .form-control:focus {
  border-color: rgba(0, 174, 239, 0.75);
  box-shadow: 0 0 0 0.25rem rgba(0, 174, 239, 0.15);
}

.auth-illustration {
  background: linear-gradient(160deg, rgba(15, 23, 42, 0.95), rgba(59, 130, 246, 0.85));
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 5vw, 5rem);
}

.auth-illustration::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.4;
}

.auth-illustration .ia-analytics-stage {
  z-index: 3;
  margin-top: 0;
}

@media (max-width: 991px) {
  .auth-illustration {
    order: -1;
    min-height: 520px;
  }
  .auth-illustration .ia-analytics-stage {
    margin-top: 1rem;
  }
}

@media (max-width: 767px) {
  .auth-illustration {
    min-height: 480px;
    padding: 3rem 1.5rem 5rem;
  }
  .auth-illustration .ia-analytics-stage {
    margin-top: 1rem;
  }
}

@media (max-width: 767px) {
  .hero-text {
    text-align: center;
  }
  .ia-analytics-stack {
    width: 100%;
  }
}

.text-white-75 {
  color: rgba(255, 255, 255, 0.75) !important;
}

@media (max-width: 991px) {
  .ia-analytics-stage {
    margin-top: 2.5rem;
  }
  .ia-ai-console {
    position: relative;
    inset: auto;
    transform: translateZ(0);
    margin-top: 2rem;
  }
  .ia-analytics-card {
    position: relative;
    inset: auto;
    transform: translateZ(0);
    margin-top: 1.5rem;
  }
  .ia-floating-orb {
    right: 10px;
    top: -10px;
    transform: translateZ(0);
  }
}