/* KPS PU College - Global styles
   Tailwind handles most styling; this file adjusts shared components and custom utilities. */

html,
body {
  scroll-behavior: smooth;
  overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Theme shells – JS just toggles these classes */
body.dark-theme {
  background-color: #020617;
  color: #e2e8f0;
}

body.light-theme {
  background-color: #f8fafc;
  color: #0f172a;
}

/* Override dark text utilities when in light mode so content stays readable */
body.light-theme .text-slate-50,
body.light-theme .text-slate-100,
body.light-theme .text-slate-200,
body.light-theme .text-slate-300 {
  color: #0f172a !important;
}

body.light-theme .text-slate-400 {
  color: #1f2937 !important;
}

/* Cards / blocks that had dark backgrounds now get light ones */
body.light-theme .navbar {
  background-color: rgba(255, 255, 255, 0.9);
  border-color: rgba(148, 163, 184, 0.6);
}

body.light-theme footer {
  background-color: #ffffff;
  border-color: rgba(148, 163, 184, 0.6);
}

body.light-theme .navbar .nav-link {
  color: #0f172a;
}

body.light-theme .navbar .nav-link:hover,
body.light-theme .navbar .nav-link.active {
  color: #0b1120;
}

body.light-theme .facility-card,
body.light-theme .testimonial-slide,
body.light-theme .gallery-item > div,
body.light-theme section {
  background-color: rgba(255, 255, 255, 0.9);
  color: #0f172a;
}

body.light-theme .facility-card p,
body.light-theme .testimonial-slide p,
body.light-theme .gallery-item p,
body.light-theme section p {
  color: #1e293b;
}

/* Explicitly soften very dark backgrounds in light mode */
body.light-theme .bg-slate-950,
body.light-theme .bg-slate-950\/80,
body.light-theme .bg-slate-950\/90,
body.light-theme .bg-slate-900,
body.light-theme .bg-slate-900\/80,
body.light-theme .bg-slate-800,
body.light-theme .bg-slate-700 {
  background-color: #ffffff !important;
}

/* Achievements/results banner: override dark gradient in light mode */
body.light-theme #achievements .bg-gradient-to-br {
  background: linear-gradient(
    135deg,
    rgba(239, 246, 255, 0.95),
    rgba(219, 234, 254, 0.95)
  ) !important;
  border-color: rgba(148, 163, 184, 0.4) !important;
}

body.light-theme #achievements .counter {
  color: #0f172a !important;
}

/* Generic fix: any large gradient backgrounds become light in light mode
   so content on them is readable across all sections/pages. */
body.light-theme .bg-gradient-to-br,
body.light-theme .bg-gradient-to-b,
body.light-theme .bg-gradient-to-r {
  background-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.98),
    rgba(239, 246, 255, 0.98)
  ) !important;
}

/* Keep hero highlighted text visible in both themes */
#hero h1 .bg-gradient-to-r {
  background-image: linear-gradient(to right, #60a5fa, #facc15, #3b82f6) !important;
}

/* Hero overlay tweaks so image + text stay legible in light mode */
body.light-theme #hero .absolute.inset-0 {
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.15), rgba(15, 23, 42, 0.55)) !important;
}

body.light-theme .nav-link::after {
  background: linear-gradient(to right, #2563eb, #f59e0b);
}

.navbar .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0;
  color: #cbd5f5;
  transition: color 0.2s ease;
}

.navbar .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(to right, #2563eb, #facc15);
  transition: width 0.2s ease;
}

.navbar .nav-link:hover {
  color: #ffffff;
}

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

.navbar .nav-link.active {
  color: #ffffff;
}

/* Gallery filter buttons */
.gallery-filter {
  border-radius: 9999px;
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.8);
  color: #e5e7eb;
  cursor: pointer;
  transition: all 0.2s ease;
}

.gallery-filter:hover {
  background: rgba(30, 64, 175, 0.7);
  border-color: rgba(129, 140, 248, 0.9);
}

.gallery-filter.active {
  background: linear-gradient(to right, #2563eb, #facc15);
  color: #020617;
  border-color: transparent;
}

/* Back-to-top visibility animation */
#backToTop.show {
  display: flex;
  animation: fadeInUp 0.25s ease-out forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 0.75rem, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* Preloader fade-out */
body.loaded #preloader {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease-out;
}

/* Simple utility in case of missing images */
img::selection,

/* Theme shells – JS just toggles these classes */
body.dark-theme {
  background-color: #020617;
  color: #e2e8f0;
}

body.light-theme {
  background-color: #f8fafc;
  color: #0f172a;
}

/* Override dark text utilities when in light mode so content stays readable */
body.light-theme .text-slate-50,
body.light-theme .text-slate-100,
body.light-theme .text-slate-200,
body.light-theme .text-slate-300 {
  color: #0f172a !important;
}

body.light-theme .text-slate-400 {
  color: #1f2937 !important;
}

/* Cards / blocks that had dark backgrounds now get light ones */
body.light-theme .navbar {
  background-color: rgba(255, 255, 255, 0.9);
  border-color: rgba(148, 163, 184, 0.6);
}

body.light-theme footer {
  background-color: #ffffff;
  border-color: rgba(148, 163, 184, 0.6);
}

body.light-theme .navbar .nav-link {
  color: #0f172a;
}

body.light-theme .navbar .nav-link:hover,
body.light-theme .navbar .nav-link.active {
  color: #0b1120;
}

body.light-theme .facility-card,
body.light-theme .testimonial-slide,
body.light-theme .gallery-item > div,
body.light-theme section {
  background-color: rgba(255, 255, 255, 0.9);
  color: #0f172a;
}

body.light-theme .facility-card p,
body.light-theme .testimonial-slide p,
body.light-theme .gallery-item p,
body.light-theme section p {
  color: #1e293b;
}

/* Explicitly soften very dark backgrounds in light mode */
body.light-theme .bg-slate-950,
body.light-theme .bg-slate-950\/80,
body.light-theme .bg-slate-950\/90,
body.light-theme .bg-slate-900,
body.light-theme .bg-slate-900\/80,
body.light-theme .bg-slate-800,
body.light-theme .bg-slate-700 {
  background-color: #ffffff !important;
}

/* Achievements/results banner: override dark gradient in light mode */
body.light-theme #achievements .bg-gradient-to-br {
  background: linear-gradient(
    135deg,
    rgba(239, 246, 255, 0.95),
    rgba(219, 234, 254, 0.95)
  ) !important;
  border-color: rgba(148, 163, 184, 0.4) !important;
}

body.light-theme #achievements .counter {
  color: #0f172a !important;
}

/* Generic fix: any large gradient backgrounds become light in light mode
   so content on them is readable across all sections/pages. */
body.light-theme .bg-gradient-to-br,
body.light-theme .bg-gradient-to-b,
body.light-theme .bg-gradient-to-r {
  background-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.98),
    rgba(239, 246, 255, 0.98)
  ) !important;
}

/* Keep hero highlighted text visible in both themes */
#hero h1 .bg-gradient-to-r {
  background-image: linear-gradient(to right, #60a5fa, #facc15, #3b82f6) !important;
}

/* Mobile nav slide from left */
@media (max-width: 767px) {
  #navMenu {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 256px;
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: #020617;
    padding: 1rem;
    font-size: 0.875rem;
    z-index: 40;
  }

  body.light-theme #navMenu {
    background: #ffffff;
  }
}

#navMenu.open {
  transform: translateX(0);
}

/* Hero overlay tweaks so image + text stay legible in light mode */
body.light-theme #hero .absolute.inset-0 {
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.15), rgba(15, 23, 42, 0.55)) !important;
}

body.light-theme .nav-link::after {
  background: linear-gradient(to right, #2563eb, #f59e0b);
}

.navbar .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0;
  color: #cbd5f5;
  transition: color 0.2s ease;
}

.navbar .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(to right, #2563eb, #facc15);
  transition: width 0.2s ease;
}

.navbar .nav-link:hover {
  color: #ffffff;
}

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

.navbar .nav-link.active {
  color: #ffffff;
}

/* Gallery filter buttons */
.gallery-filter {
  border-radius: 9999px;
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.8);
  color: #e5e7eb;
  cursor: pointer;
  transition: all 0.2s ease;
}

.gallery-filter:hover {
  background: rgba(30, 64, 175, 0.7);
  border-color: rgba(129, 140, 248, 0.9);
}

.gallery-filter.active {
  background: linear-gradient(to right, #2563eb, #facc15);
  color: #020617;
  border-color: transparent;
}

/* Back-to-top visibility animation */
#backToTop.show {
  display: flex;
  animation: fadeInUp 0.25s ease-out forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 0.75rem, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* Preloader fade-out */
body.loaded #preloader {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease-out;
}

/* Simple utility in case of missing images */
img::selection,
video::selection {
  background: transparent;
}

/* Responsive fixes for mobile-first layout */

/* Container responsiveness */
@media (max-width: 767px) {
  .container-responsive {
    max-width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* Typography scaling */
.hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
}

.hero-subtitle {
  font-size: clamp(1rem, 4vw, 1.125rem);
}

/* Button stacking */
@media (max-width: 767px) {
  .button-group {
    flex-direction: column;
    gap: 1rem;
  }
  .button-group a {
    width: 100%;
    text-align: center;
  }
}

/* Stats cards responsive */
@media (max-width: 767px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .stats-card {
    padding: 1rem;
    text-align: center;
  }
}

/* Card section spacing */
@media (max-width: 767px) {
  .card-section {
    padding: 1.5rem;
    gap: 1.5rem;
  }
}

/* Background image fix */
.hero-media img {
  background-size: cover;
  background-position: center;
  object-fit: cover;
}

/* Navbar mobile adjustments */
@media (max-width: 767px) {
  .navbar {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}