*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --nav-bg: #222329;
  --text-main: #0c0b10;
  --text-muted: #5a5b65;
  --surface: #ffffff;
  --surface-alt: #f5f7fb;
  --primary: #ff0069;
  --primary-alt: #f9a826;
  --accent: #5851db;
  --border: #e2e4ec;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 20px 45px rgba(14, 17, 24, 0.06);
  --shadow-float: 0 30px 50px rgba(0, 0, 0, 0.16);
  --gradient-ig: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

body {
  margin: 0;
  background: #fefefe;
  color: var(--text-main);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

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

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: var(--nav-bg);
  z-index: 999;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.8rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.brand-title {
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
  font-weight: 600;
}

.brand-tagline {
  margin: 0;
  margin-top: -4px;
  font-size: 0.85rem;
  opacity: 0.75;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.insta-pill {
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  background: var(--gradient-ig);
  color: #fff;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: 2.5rem 0 1rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.6rem, 6vw, 3.7rem);
  margin: 0.35rem 0;
}

.hero-actions-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.subheading {
  margin-top: -0.35rem;
  font-size: 1.2rem;
  color: var(--text-muted);
}

.intro {
  max-width: 420px;
  color: var(--text-muted);
}

.pill {
  border-radius: 999px;
  border: none;
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
}

.pill.primary {
  background: var(--gradient-ig);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.pill.secondary {
  background: var(--surface-alt);
  color: var(--text-main);
  border: 1px solid var(--border);
}

.pill:hover,
.pill:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.home-action {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.1rem 1.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #f2f3f7;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.home-action span {
  font-size: 1rem;
}

.home-action p {
  margin: 0;
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.95rem;
}

.home-action:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

button.home-action {
  cursor: pointer;
  font-family: inherit;
  color: var(--text-main);
}

.home-action.compact {
  padding: 0.8rem 1.1rem;
  align-items: center;
  text-align: center;
}

.home-action.slim {
  max-width: 220px;
  align-self: flex-start;
}

.hero-card {
  background: var(--surface);
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.text-link {
  color: var(--primary);
  font-weight: 600;
}

.dont-press {
  margin-top: 1rem;
  border: none;
  background: var(--nav-bg);
  color: #fff;
  padding: 1rem 2.25rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: transform 0.2s ease;
}

.dont-press:hover {
  transform: translateY(-2px);
}

.dont-press.falling {
  animation: fall-off 1.2s forwards ease-in;
}

@keyframes fall-off {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  60% {
    transform: translate(120px, 220px) rotate(40deg);
    opacity: 0.6;
  }
  100% {
    transform: translate(200px, 600px) rotate(80deg);
    opacity: 0;
  }
}

.insta-grid-section {
  margin: 2.5rem 0;
}

.insta-grid-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.insta-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.75rem;
}

.insta-grid img {
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease;
}

.insta-grid img:hover {
  transform: translateY(-4px);
}

.section {
  margin: 3rem 0;
  padding: 2rem 0;
}

.section-heading h2 {
  margin: 0.2rem 0;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
}

.docs-accordion {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.doc-section {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-soft);
}

.doc-section h3 {
  margin: 0;
  font-size: 1.2rem;
}

.doc-description {
  margin: 0.4rem 0 0.8rem;
  color: var(--text-muted);
}

.doc-blocks {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
}

.doc-block {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  background: var(--surface-alt);
  cursor: pointer;
  transition: border 0.2s ease, transform 0.2s ease;
}

.doc-block.active {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.pdf-viewer {
  margin-top: 1rem;
  height: 420px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}

.pdf-viewer iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.society-controls {
  margin: 1.5rem 0 1rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

#societySearch {
  flex: 1;
  min-width: 220px;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.favorite-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

.society-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.society-category h3 {
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}

.society-category .category-description {
  margin-top: -0.35rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.society-card-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.society-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  background: #fff;
  position: relative;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.society-links {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.society-links a {
  color: var(--accent);
  font-weight: 600;
}

.society-card button:not(.fav-icon) {
  border: 1px solid var(--border);
  background: transparent;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-weight: 600;
}

.society-card .fav-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 1.35rem;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: transform 0.2s ease, color 0.2s ease;
}

.society-card .fav-icon.hearted {
  color: #f04d7a;
  transform: scale(1.1);
}

.add-society {
  margin-top: 2rem;
  text-align: center;
}

.timetable .builder-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.search-stack {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

#moduleSearch {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.search-results {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 0.25rem;
  display: none;
  flex-direction: column;
  background: #fff;
  max-height: 260px;
  overflow-y: auto;
  z-index: 5;
}

.search-results.active {
  display: flex;
}

.search-result {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.search-result:last-child {
  border-bottom: none;
}

.selected-modules {
  margin-top: 1.25rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.selected-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.selected-tag {
  background: var(--surface-alt);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  font-weight: 600;
}

.selected-tag button {
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1rem;
}

.calendar-wrapper {
  margin-top: 2rem;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  padding: 1.5rem;
}

.calendar-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 1rem;
  overflow-x: hidden;
}

.time-ruler {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.day-columns {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.5rem;
  position: relative;
}

.day-column {
  border-left: 1px solid var(--border);
  padding-left: 0.25rem;
  min-height: 550px;
  height: 550px;
  position: relative;
}

.day-label {
  position: sticky;
  top: 0;
  background: #fff;
  font-weight: 600;
  padding-bottom: 0.35rem;
}

.session-block {
  position: absolute;
  left: 0.25rem;
  right: 0.25rem;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.4rem;
  color: #fff;
  font-size: 0.78rem;
  box-shadow: var(--shadow-soft);
}

.session-block p {
  margin: 0;
  font-weight: 600;
}

.session-block span {
  font-size: 0.7rem;
  display: block;
  opacity: 0.8;
}

.important-dates {
  margin-top: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.dates-sections {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dates-section h4 {
  margin: 0;
  font-size: 1rem;
  color: var(--text-main);
}

.dates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}

.date-card {
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  border: 2px solid transparent;
  background: var(--surface-alt);
}

.partner-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  color: var(--text-muted);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(12, 11, 16, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.modal-content {
  background: #fff;
  border-radius: var(--radius-lg);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem;
  box-shadow: var(--shadow-float);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  cursor: pointer;
}

.group-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1rem;
}

.group-section {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--surface-alt);
}

.group-options {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.group-option {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.group-option label {
  display: flex;
  gap: 0.5rem;
  font-weight: 600;
}

.session-list {
  margin-left: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.modal-disclaimer {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

#societyModalMeta p {
  margin: 0.35rem 0;
  font-weight: 500;
}

.society-modal-desc {
  color: var(--text-muted);
}

.clipboard-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 1rem 0;
  flex-wrap: wrap;
}

.clipboard-row code {
  background: var(--surface-alt);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.hidden {
  display: none !important;
}

.partners .partner-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

@media (max-width: 820px) {
  .nav {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .calendar-grid {
    grid-template-columns: 50px 1fr;
  }
}

@media (max-width: 600px) {
  main {
    padding: 1rem;
  }

  .hero-actions-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 1rem;
  }

  .insta-grid-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .calendar-wrapper {
    padding: 1rem;
  }

  .day-columns {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.3rem;
  }

  .session-block {
    font-size: 0.7rem;
  }

  .society-list {
    gap: 1.25rem;
  }

  .modal-content {
    padding: 1rem;
  }
}