/* CSS Custom Properties */
:root {
  --accent: #00ffcc;
  --glass: rgba(255, 255, 255, 0.04);
  --glass-2: rgba(255, 255, 255, 0.06);
  --text: #e8f8f5;
  --muted: #cbd5d6;
  --header-h: clamp(48px, 8vw, 64px);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  --transition: 0.3s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  scroll-behavior: smooth;
}

/* Typography */
h1 {
  font-size: clamp(1rem, 2.5vw + 0.8rem, 1.25rem);
}

h2 {
  font-size: clamp(1.25rem, 3vw + 0.8rem, 2rem);
  color: var(--accent);
}

h3 {
  font-size: clamp(1rem, 2vw + 0.7rem, 1.25rem);
}

p, a {
  font-size: clamp(0.875rem, 1.8vw + 0.6rem, 0.9375rem);
}

.kicker, .tagline, .muted {
  font-size: clamp(0.75rem, 1.6vw + 0.5rem, 0.8125rem);
  color: var(--muted);
}

.kicker {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  color: var(--accent);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(0.75rem, 2vw, 1.5rem);
  backdrop-filter: blur(8px);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.3));
  z-index: 1000;
  box-shadow: var(--shadow);
}

.container {
  width: min(100%, 1200px);
  margin: 0 auto;
  padding: 0 clamp(0.5rem, 2vw, 1rem);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  width: clamp(36px, 5vw, 44px);
  height: clamp(36px, 5vw, 44px);
  border-radius: 8px;
  object-fit: contain;
}

nav {
  display: none;
}

nav.show {
  display: block;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.95);
  padding: 1rem;
  z-index: 999;
  animation: slideIn 0.3s ease forwards;
}

nav ul {
  display: flex;
  flex-direction: column;
  list-style: none;
  gap: 0.75rem;
  align-items: center;
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  padding: 0.5rem;
  display: block;
  transition: color var(--transition), background var(--transition);
  border-radius: 6px;
  width: 100%;
  text-align: center;
}

nav a:hover, nav a:focus {
  color: var(--accent);
  background: var(--glass);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

nav a[aria-current="page"] {
  color: var(--accent);
  background: var(--glass-2);
}

/* Hamburger Menu */
.menu-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  touch-action: manipulation;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  margin-bottom: 5px;
  transition: transform var(--transition), opacity var(--transition);
  will-change: transform, opacity;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.menu-toggle:hover, .menu-toggle:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Main Content */
main {
  padding-top: calc(var(--header-h) + 1rem);
  text-align: center;
}

section {
  padding: clamp(2rem, 5vw, 3rem) 0;
}

/* Resources Section */
.resources-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.resource-card {
  background: var(--glass);
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid var(--glass-2);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.resource-card .card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.resource-card p {
  margin-bottom: 1.25rem;
}

.resource-card .btn {
  margin-top: 1.25rem;
}

.lead {
  max-width: 800px;
  margin: 0 auto 1.5rem;
}

.lead a {
  color: var(--accent);
  text-decoration: none;
}

.lead a:hover, .lead a:focus {
  text-decoration: underline;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Search Section */
.search-section {
  text-align: center;
}

.search-bar {
  margin: 2rem auto;
  max-width: clamp(300px, 90%, 700px);
}

.search-bar input {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid var(--glass-2);
  border-radius: 6px;
  background: var(--glass);
  color: var(--text);
  font-size: clamp(0.875rem, 1.8vw, 1rem);
  font-family: Inter, sans-serif;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-bar input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(0, 255, 204, 0.3);
  outline: none;
}

#resultCount {
  margin: 1.5rem 0;
  color: var(--muted);
  min-height: 1.5rem; /* Ensure space for loading text */
}

#videoTable {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  background: var(--glass);
  border-collapse: collapse;
  overflow-x: auto;
  display: block;
}

#videoTable th,
#videoTable td {
  padding: 0.875rem;
  text-align: left;
  border-bottom: 1px solid var(--glass-2);
}

#videoTable th {
  color: var(--accent);
  font-weight: 600;
}

#videoTable td {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#videoTable a {
  color: var(--accent);
  text-decoration: none;
}

#videoTable a:hover,
#videoTable a:focus {
  text-decoration: underline;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.pagination {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.pagination button {
  background: var(--glass);
  border: 1px solid var(--glass-2);
  color: var(--text);
  padding: 0.625rem 1.25rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: clamp(0.875rem, 1.6vw, 0.9375rem);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.pagination button:hover,
.pagination button:focus,
.pagination button.active {
  background: var(--accent);
  color: #051517;
  transform: scale(1.05);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Support Section */
.support-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 2rem;
}

.btn {
  background: var(--accent);
  color: #051517;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: clamp(0.875rem, 1.8vw, 1rem);
  cursor: pointer;
  box-shadow: var(--shadow);
  text-decoration: none;
  display: inline-block;
  transition: transform var(--transition), box-shadow var(--transition);
  min-width: 160px;
  text-align: center;
  touch-action: manipulation;
}

.btn:hover, .btn:focus {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Footer */
footer {
  padding: 2rem 0;
  text-align: center;
  color: var(--muted);
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover, footer a:focus {
  text-decoration: underline;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.social-icons {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  margin: 1rem 0;
}

.social-link {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--muted);
  transition: color var(--transition), transform var(--transition);
}
.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--glass-2);
}
.social-link:hover, .social-link:focus {
  color: var(--accent);
  transform: scale(1.1);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Animations */
@keyframes slideIn {
  from {
    transform: translateY(-10%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 479px) {
  .container {
    padding: 0 0.75rem;
  }

  .resource-card {
    max-width: 90%;
    padding: 1.25rem;
  }

  .search-bar {
    max-width: 90%;
  }

  #videoTable th,
  #videoTable td {
    padding: 0.625rem;
  }

  .btn {
    padding: 0.625rem 1.25rem;
    min-width: 140px;
  }
}

@media (min-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .resource-card {
    padding: 1.75rem;
  }

  .social-icons {
    gap: 1.5rem;
  }
}

@media (min-width: 768px) {
  nav {
    display: block;
    position: static;
    background: transparent;
    padding: 0;
  }

  nav ul {
    flex-direction: row;
    gap: 1.5rem;
  }

  nav a {
    padding: 0.25rem 0.75rem;
    width: auto;
    text-align: left;
  }

  .menu-toggle {
    display: none;
  }

  .resource-card {
    padding: 2rem;
  }

  h2 {
    font-size: clamp(1.5rem, 3vw + 1rem, 2.5rem);
  }

  h3 {
    font-size: clamp(1.125rem, 2.5vw + 0.7rem, 1.5rem);
  }
}

@media (min-width: 1200px) {
  .container {
    width: min(1200px, 90%);
  }

  .search-bar {
    max-width: 700px;
  }
}

/* Paytm popup */

/* Modal Popup Styling */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-overflow-scrolling: touch;
  padding: 2rem 1rem;
}

.modal-content {
  background: var(--glass);
  color: var(--text);
  margin: 5% auto;
  padding: 2rem;
  border-radius: 10px;
  width: 100%;
  max-width: 480px;
  text-align: center;
  border: 1px solid var(--glass-2);
  box-shadow: var(--shadow);
}

.qr-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1.5rem 0;
}

.close-modal {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 2rem;
  position: absolute;
  top: 1rem;
  right: 1rem;
  cursor: pointer;
  transition: color var(--transition);
}

.close-modal:hover,
.close-modal:focus {
  color: var(--accent);
  outline: none;
}

/* Optional: Adjust scrollbar inside popup if needed */
.modal::-webkit-scrollbar {
  width: 8px;
}
.modal::-webkit-scrollbar-thumb {
  background-color: var(--accent);
  border-radius: 10px;
}
.modal::-webkit-scrollbar-track {
  background: transparent;
}



@media (orientation: landscape) and (max-width: 768px) {
  .search-bar {
    max-width: 500px;
  }

  .resource-card {
    max-width: 90%;
  }
}