/* ============================================================================
   BASE RESET & GLOBAL STYLES
   ============================================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: #0a0a0a;
  color: #ffffff;
  line-height: 1.5;
}

/* ============================================================================
   AGGRESSIVELY HIDE ALL VIDEO CONTROLS
   ============================================================================ */

video {
  pointer-events: none !important;
  -webkit-user-select: none !important;
  user-select: none !important;
}

video::-webkit-media-controls,
video::-webkit-media-controls-enclosure,
video::-webkit-media-controls-panel,
video::-webkit-media-controls-play-button,
video::-webkit-media-controls-start-playback-button,
video::-webkit-media-controls-overlay-play-button,
video::-webkit-media-controls-current-time-display,
video::-webkit-media-controls-time-remaining-display,
video::-webkit-media-controls-timeline,
video::-webkit-media-controls-volume-slider,
video::-webkit-media-controls-mute-button,
video::-webkit-media-controls-fullscreen-button,
video::-webkit-media-controls-picture-in-picture-button,
video::-webkit-media-controls-toggle-closed-captions-button,
video::-webkit-media-controls-overflow-button,
video::-webkit-media-controls-overlay-enclosure {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  -webkit-appearance: none !important;
  width: 0 !important;
  height: 0 !important;
}

video::-moz-media-controls {
  display: none !important;
}

video::-ms-media-controls {
  display: none !important;
}

/* ============================================================================
   CUSTOM SCROLLBAR
   ============================================================================ */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #0a0a0a;
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #444;
}

::selection {
  background: rgba(139, 92, 246, 0.4);
  color: white;
}

/* ============================================================================
   APP STYLES
   ============================================================================ */

.app {
  min-height: 100vh;
  background-color: #0a0a0a;
  color: #fff;
}

/* Container */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 12px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 20px;
  }
}

@media (min-width: 1200px) {
  .container {
    padding: 0 40px;
  }
}

@media (min-width: 1600px) {
  .container {
    padding: 0 60px;
  }
}

/* ============================================================================
   HEADER
   ============================================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: linear-gradient(to bottom, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0) 100%);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (min-width: 768px) {
  .header {
    padding: 20px 60px;
  }
}

/* Desktop Navigation */
.header__nav {
  display: none;
  align-items: center;
  gap: 8px;
}

@media (min-width: 768px) {
  .header__nav {
    display: flex;
  }
}

.header__nav-btn {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: #666;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.header__nav-btn svg {
  width: 22px;
  height: 22px;
}

.header__nav-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.header__nav-btn--active {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.3) 0%, rgba(236, 72, 153, 0.2) 100%);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.header__nav-btn--active:hover {
  color: #a78bfa;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
  color: #fff;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.logo__text {
  display: flex;
  flex-direction: column;
}

.logo__name {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.logo__sub {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.4);
}

/* ============================================================================
   MAIN CONTENT
   ============================================================================ */

.main {
  padding-top: 100px;
  padding-bottom: 80px;
}

@media (max-width: 767px) {
  .main {
    padding-bottom: 100px;
  }
}

/* ============================================================================
   GALLERY - Desktop only
   ============================================================================ */

.gallery {
  display: none;
}

@media (min-width: 768px) {
  .gallery {
    display: flex;
    flex-direction: column;
    gap: 60px;
  }
}

/* ============================================================================
   SECTION - Category sections with title and grid
   ============================================================================ */

.section {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.section__title {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(139, 92, 246, 0.3);
  background: linear-gradient(90deg, #a78bfa 0%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
}

.section__grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ============================================================================
   CAROUSEL - Mobile slideshow
   ============================================================================ */

.carousel {
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.carousel__content {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.carousel .card {
  width: 100%;
  height: 100%;
}

/* Info section */
.carousel__info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 4px;
}

.carousel__tool-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid;
}

.carousel__description {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.85);
}

.carousel__read-more {
  margin-top: 4px;
  color: #a78bfa;
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s ease;
  display: inline;
}

.carousel__read-more:active {
  color: #8b5cf6;
}

.carousel__story {
  margin-top: 12px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.3);
  border-left: 2px solid rgba(139, 92, 246, 0.5);
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  animation: fadeIn 0.2s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Controls */
.carousel__controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.carousel__counter {
  flex: 1;
  text-align: center;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
}

.carousel__btn {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 28px;
  font-weight: 300;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
}

.carousel__btn:active {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(0.9);
}

@media (min-width: 768px) {
  .carousel {
    display: none;
  }
}

/* Gallery story (expanded card) */
.gallery__story {
  grid-column: 1 / -1;
  padding: 32px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.05) 100%);
  border-radius: 16px;
  border: 1px solid rgba(139, 92, 246, 0.2);
  margin-top: -8px;
  animation: slideDown 0.3s ease-out;
}

.gallery__story h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 16px 0;
  color: #a78bfa;
}

.gallery__story p {
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================================
   VIDEO CARD
   ============================================================================ */

.card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background-color: #1a1a1a;
  cursor: pointer;
  aspect-ratio: 16 / 9;
}

.card--expanded {
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.3);
  transform: scale(1.02);
  transition: all 0.3s ease;
}

.card__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  pointer-events: none;
  will-change: transform;
}

@media (max-width: 767px) {
  .card__video {
    transition: none;
  }
  .card:hover .card__video {
    transform: none;
  }
}

@media (min-width: 768px) {
  .card:hover .card__video {
    transform: scale(1.05);
  }
}

/* Overlay & Info */
.card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.9) 0%,
    rgba(0,0,0,0.5) 40%,
    rgba(0,0,0,0) 100%
  );
  opacity: 0;
  pointer-events: none;
}

@media (min-width: 768px) {
  .card__overlay {
    transition: opacity 0.4s ease;
  }
}

.card__overlay--visible {
  opacity: 1;
}

.card__info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  z-index: 10;
}

@media (min-width: 768px) {
  .card__info {
    transform: translateY(10px);
    transition: all 0.4s ease;
  }

  .card__info--visible {
    transform: translateY(0);
  }
}

.card__info--visible {
  opacity: 1;
}

.card__overview {
  font-size: 14px;
  line-height: 1.5;
  margin: 8px 0 0 0;
  color: rgba(255, 255, 255, 0.85);
}

@media (min-width: 768px) {
  .card__title {
    font-size: 22px;
  }
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.card__tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid;
}

@media (min-width: 768px) {
  .card__tag {
    backdrop-filter: blur(8px);
  }
}

/* Card border glow */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 16px;
  border: 2px solid rgba(255,255,255,0);
  transition: border-color 0.4s ease;
  pointer-events: none;
  z-index: 5;
}

.card:hover::after {
  border-color: rgba(139, 92, 246, 0.4);
}

/* ============================================================================
   MOBILE BOTTOM NAVIGATION
   ============================================================================ */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 8px 0 12px 0;
  background: rgba(10, 10, 10, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.bottom-nav__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: #666;
  cursor: pointer;
  transition: color 0.2s ease;
}

.bottom-nav__btn svg {
  width: 24px;
  height: 24px;
}

.bottom-nav__btn span {
  font-size: 10px;
  font-weight: 500;
}

.bottom-nav__btn--active {
  color: #a78bfa;
}

.bottom-nav__btn:active {
  transform: scale(0.95);
}

@media (min-width: 768px) {
  .bottom-nav {
    display: none;
  }
}

/* ============================================================================
   TIMELINE LINK
   ============================================================================ */

.timeline-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 24px;
  margin-top: 24px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(236, 72, 153, 0.1) 100%);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 12px;
  color: #a78bfa;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.timeline-link svg {
  width: 20px;
  height: 20px;
}

.timeline-link:hover {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25) 0%, rgba(236, 72, 153, 0.15) 100%);
  border-color: rgba(139, 92, 246, 0.5);
}

.timeline-link--about {
  margin-top: 0;
}

/* ============================================================================
   PLACEHOLDER SECTION
   ============================================================================ */

.placeholder-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  padding: 60px 40px;
  text-align: center;
}

.placeholder-section__icon {
  width: 80px;
  height: 80px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.2);
}

.placeholder-section__icon svg {
  width: 100%;
  height: 100%;
}

.placeholder-section__title {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 12px 0;
  color: rgba(255, 255, 255, 0.6);
}

.placeholder-section__description {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  color: rgba(255, 255, 255, 0.4);
  max-width: 400px;
}

/* ============================================================================
   ABOUT SECTION
   ============================================================================ */

.about-section {
  padding: 40px 0;
  text-align: center;
}

.about-section__title {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 24px 0;
  background: linear-gradient(90deg, #a78bfa 0%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-section__text {
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 40px 0;
  color: rgba(255, 255, 255, 0.8);
}

.about-section__text p {
  margin: 0 0 16px 0;
}

.about-section__text p:last-child {
  margin-bottom: 0;
}

.about-section__links-title {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 24px 0;
  background: linear-gradient(90deg, #a78bfa 0%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-section__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 600px) {
  .about-section__links {
    flex-direction: row;
    gap: 12px;
    justify-content: center;
  }
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
  padding: 40px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer p {
  margin: 0;
  font-size: 14px;
  color: rgba(255,255,255,0.3);
}

@media (max-width: 767px) {
  .footer {
    display: none;
  }
}

/* ============================================================================
   MASONRY GRID (ARTS SECTION)
   ============================================================================ */

.masonry {
  column-count: 2;
  column-gap: 12px;
  padding: 20px 0;
}

@media (min-width: 600px) {
  .masonry {
    column-count: 2;
    column-gap: 24px;
  }
}

@media (min-width: 1200px) {
  .masonry {
    column-count: 3;
  }
}

.masonry__item {
  break-inside: avoid;
  margin-bottom: 12px;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: #1a1a1a;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

@media (min-width: 600px) {
  .masonry__item {
    margin-bottom: 16px;
  }
}

.masonry__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.masonry__item img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.masonry__gif-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  pointer-events: none;
}

/* ============================================================================
   MODS SECTION - Masonry Grid
   ============================================================================ */

.mods-cat-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0 4px;
}

.mods-cat-btn {
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
  font-family: inherit;
}

.mods-cat-btn:hover {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

.mods-cat-btn--active {
  background: rgba(167, 139, 250, 0.15);
  border-color: #a78bfa;
  color: #a78bfa;
}

.mods-masonry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 20px 0;
  align-items: start;
}

@media (min-width: 600px) {
  .mods-masonry {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1200px) {
  .mods-masonry {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mod-card {
  background: transparent;
}

.mod-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
  border-radius: 8px;
  transition: transform 0.2s ease;
}

.mod-card__link:hover,
.mod-card__link:focus-visible {
  transform: translateY(-2px);
}

.mod-card__link:focus-visible {
  outline: 2px solid #22d3ee;
  outline-offset: 6px;
}

.mod-card__image {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: #1a1a1a;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mod-card__image:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.mod-card__image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.mod-card__content {
  padding: 12px 4px;
}

.mod-card__title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px 0;
}

.mod-card__overview {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.mod-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 4px 0 10px;
}

.mods-placeholder {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
}

.mods-placeholder__text {
  color: rgba(255, 255, 255, 0.45);
  font-size: 15px;
  font-style: italic;
}

.mod-card__title-link {
  color: #fff;
  text-decoration: none;
  transition: color 0.2s ease;
}

.mod-card__title-link:hover {
  color: #a78bfa;
}

/* ============================================================================
   QUIZ CARD
   ============================================================================ */

.quiz-card__title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px 0;
  cursor: pointer;
  transition: color 0.2s ease;
  user-select: none;
}

.quiz-card__title:hover {
  color: #a78bfa;
}

.quiz-category + .quiz-category {
  margin-top: 60px;
}

/* ============================================================================
   QUIZ MODAL
   ============================================================================ */

.quiz-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.quiz-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
}

.quiz-modal__box {
  position: relative;
  background: #111;
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 16px;
  padding: 36px 32px 32px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}

.quiz-modal__close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.4);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  transition: color 0.2s ease;
}

.quiz-modal__close:hover {
  color: #fff;
}

.quiz-modal__title {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 6px 0;
  padding-right: 24px;
}

.quiz-modal__subtitle {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin: 0 0 28px 0;
}

.quiz-modal__actions {
  display: flex;
  gap: 12px;
  flex-direction: column;
}

@media (min-width: 480px) {
  .quiz-modal__actions {
    flex-direction: row;
  }
}

.quiz-modal__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: 1;
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
}

.quiz-modal__btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.quiz-modal__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.quiz-modal__btn--lesson {
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #a78bfa;
}

.quiz-modal__btn--lesson:hover {
  background: rgba(139, 92, 246, 0.25);
}

.quiz-modal__btn--quiz {
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  border: 1px solid transparent;
  color: #fff;
}

.quiz-modal__btn--quiz:hover {
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
}