:root {
  --text-main: #f7feff;
  --text-soft: #e7f8ff;
  --panel-border: rgba(255, 255, 255, 0.22);
  --shadow: 0 22px 60px rgba(14, 80, 136, 0.24);
  --accent: #ffd978;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "Nunito", sans-serif;
  color: var(--text-main);
  background: url("assets/ocean-bg.jpg") no-repeat center center fixed;
  background-size: cover;
}
button, input, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
.page-shell {
  position: relative;
  display: flex;
  min-height: 100vh;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(0,0,0,0.06));
}
.side-menu {
  width: 260px;
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(16, 112, 174, 0.48), rgba(11, 90, 150, 0.16));
  border-right: 1px solid rgba(255,255,255,0.18);
  z-index: 3;
}
.brand-pill {
  padding: 20px 18px;
  border-radius: 28px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: var(--shadow);
}
.brand-badge,
.eyebrow,
.banner-tag {
  display: inline-flex;
  width: fit-content;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255, 217, 120, 0.2);
  color: #fff7d3;
}
.brand-pill h1 {
  margin: 14px 0 0;
  font-family: "Baloo 2", cursive;
  font-size: 2.2rem;
  line-height: 0.95;
}
.menu-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
}
.menu-item {
  border: 0;
  text-align: left;
  padding: 14px 16px;
  border-radius: 18px;
  color: var(--text-main);
  background: rgba(255,255,255,0.12);
  box-shadow: 0 10px 24px rgba(15, 86, 140, 0.16);
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.menu-link {
  display: block;
  text-align: left;
  padding: 14px 16px;
  border-radius: 18px;
  color: var(--text-main);
  text-decoration: none;
  background: rgba(255,255,255,0.12);
  box-shadow: 0 10px 24px rgba(15, 86, 140, 0.16);
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.menu-item:hover,
.menu-item.active,
.menu-link:hover {
  transform: translateX(8px);
  background: rgba(255,255,255,0.2);
  box-shadow: 0 14px 30px rgba(15, 86, 140, 0.22);
}
.hero-section {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(175, 238, 255, 0.08), rgba(11, 87, 146, 0.16));
  pointer-events: none;
  z-index: 1;
}
.ocean-creatures {
  position: absolute;
  inset: 0;
  z-index: 12;
  pointer-events: none;
}
.jellyfish-sprite {
  position: absolute;
  top: var(--top, 40%);
  left: var(--left, 20%);
  width: clamp(92px, 10vw, 140px);
  padding: 0;
  border: 0;
  background: transparent;
  pointer-events: auto;
  transform-origin: center center;
  animation: jellyDrift var(--duration, 18s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
  transition: transform 0.28s ease, filter 0.28s ease, opacity 0.28s ease;
}
.jellyfish-sprite::before {
  content: "";
  position: absolute;
  inset: 16% 22%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(190, 244, 255, 0.42), transparent 70%);
  filter: blur(20px);
  z-index: -1;
}
.jellyfish-sprite img {
  width: 100%;
  height: auto;
  object-fit: contain;
  background: transparent;
  mix-blend-mode: screen;
  filter: drop-shadow(0 10px 20px rgba(103, 224, 255, 0.24)) drop-shadow(0 0 14px rgba(255,255,255,0.28));
  transition: transform 0.24s ease, filter 0.24s ease;
}
.jellyfish-sprite:hover img {
  transform: scale(1.06);
  filter: drop-shadow(0 12px 24px rgba(103, 224, 255, 0.34)) drop-shadow(0 0 20px rgba(255,255,255,0.44));
}
.jellyfish-sprite.zooming {
  z-index: 20;
}
.jellyfish-sprite.zooming img {
  transform: scale(1.18);
  filter: drop-shadow(0 14px 28px rgba(103, 224, 255, 0.42)) drop-shadow(0 0 26px rgba(255,255,255,0.52));
}
.nemo-sprite {
  width: clamp(86px, 9vw, 126px);
  animation: nemoSwim var(--duration, 9s) ease-in-out infinite;
}
.nemo-sprite::before {
  inset: 18% 24%;
  background: radial-gradient(circle, rgba(255, 188, 104, 0.28), transparent 70%);
}
.nemo-sprite img {
  mix-blend-mode: normal;
  filter: drop-shadow(0 10px 16px rgba(255, 179, 90, 0.2));
}
.nemo-sprite:hover img {
  transform: scale(1.08);
  filter: drop-shadow(0 12px 20px rgba(255, 179, 90, 0.3));
}
.nemo-sprite.zooming img {
  transform: scale(1.18);
  filter: drop-shadow(0 16px 24px rgba(255, 179, 90, 0.34));
}
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(5, 38, 71, 0.62);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.modal-overlay.show { opacity: 1; pointer-events: auto; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.modal.show { opacity: 1; visibility: visible; pointer-events: auto; }
.modal-card {
  position: relative;
  width: min(760px, 100%);
  max-height: 88vh;
  overflow: auto;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(34, 126, 191, 0.94), rgba(18, 92, 152, 0.95));
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  transform: translateY(24px) scale(0.96);
  transition: transform 0.35s ease;
}
.modal.show .modal-card { transform: translateY(0) scale(1); }
.modal-card.large { width: min(1120px, 100%); }
.modal-close {
  position: sticky;
  top: 14px;
  left: calc(100% - 62px);
  z-index: 3;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  color: white;
  font-size: 1.7rem;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
}
.modal-banner {
  min-height: 280px;
  padding: 36px;
  display: flex;
  align-items: end;
  background: linear-gradient(180deg, rgba(18, 105, 170, 0.22), rgba(18, 91, 149, 0.58)), url("assets/ocean-bg.jpg") no-repeat center center;
  background-size: cover;
}
.banner-copy { max-width: 520px; }
.banner-copy h3,
.section-heading h3,
.creature-copy h3 {
  margin: 14px 0 10px;
  font-family: "Baloo 2", cursive;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}
.banner-copy p,
.section-heading p,
.modal-body p,
.creature-copy p { color: var(--text-soft); }
.modal-body { padding: 0 32px 32px; }
.section-heading { margin-bottom: 22px; }
.jelly-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.jelly-card {
  overflow: hidden;
  border-radius: 22px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-direction: column;
}
.jelly-media-tabs {
  display: flex;
  gap: 8px;
  padding: 16px 16px 0;
}
.media-tab {
  flex: 1;
  border: 0;
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 800;
  color: var(--text-main);
  background: rgba(255,255,255,0.12);
  transition: background 0.2s ease, transform 0.2s ease;
}
.media-tab.active {
  color: #0b466f;
  background: linear-gradient(135deg, #ffe28d, #fff6c7);
}
.media-tab:hover {
  transform: translateY(-1px);
}
.jelly-media-frame {
  position: relative;
  min-height: 220px;
  margin: 14px 16px 0;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255,255,255,0.08);
}
.jelly-media-frame.single-media {
  margin-top: 16px;
}
.media-pane {
  display: none;
  width: 100%;
  height: 220px;
}
.media-pane.active {
  display: block;
}
.jelly-card img,
.media-pane img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  padding: 20px;
  background: transparent;
}
.video-pane {
  padding: 14px;
}
.jelly-video {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 16px;
  background:
    radial-gradient(circle at top right, rgba(255, 221, 130, 0.12), transparent 40%),
    linear-gradient(180deg, rgba(7, 45, 76, 0.78), rgba(11, 81, 128, 0.88));
  object-fit: cover;
}
.jelly-card-content {
  padding: 18px;
  display: grid;
  gap: 12px;
  height: 100%;
  align-content: start;
}
.jelly-card-content h4 {
  margin: 0 0 10px;
  font-family: "Baloo 2", cursive;
  font-size: 1.5rem;
}
.jelly-card-content p {
  margin: 0;
}
.price-tag,
.price-stack {
  margin-top: auto;
}
.price-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}
.price-tag {
  display: inline-flex;
  width: fit-content;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 900;
  color: #08375b;
  background: linear-gradient(135deg, #ffd978, #fff3b1);
  box-shadow: 0 10px 18px rgba(12, 74, 120, 0.14);
}
.price-stack {
  display: grid;
  gap: 8px;
}
.price-stack div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.08);
}
.price-stack strong {
  color: #fff3c2;
}
.price-stack span {
  font-weight: 900;
  color: #ffe28d;
}
.creature-modal-card { width: min(860px, 100%); }
.creature-modal-body {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: center;
}
.tank-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.tank-card {
  overflow: hidden;
  border: 0;
  border-radius: 24px;
  text-align: left;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 18px 32px rgba(8, 52, 86, 0.14);
  transition: transform 0.24s ease, background 0.24s ease, box-shadow 0.24s ease;
}
.tank-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.14);
  box-shadow: 0 22px 38px rgba(8, 52, 86, 0.2);
}
.tank-card-image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(210, 241, 255, 0.18), rgba(80, 154, 213, 0.16));
}
.tank-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tank-card-content {
  display: grid;
  gap: 10px;
  padding: 18px;
}
.tank-card-content h4 {
  margin: 0;
  font-family: "Baloo 2", cursive;
  font-size: 1.45rem;
}
.tank-card-content p {
  margin: 0;
  color: var(--text-soft);
}
.tank-detail-card {
  width: min(1080px, 100%);
}
.tank-detail-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: start;
}
.tank-gallery-panel,
.tank-copy-panel {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(10px);
}
.tank-gallery-main {
  overflow: hidden;
  border-radius: 22px;
  aspect-ratio: 1 / 1;
  background: rgba(255,255,255,0.08);
}
.tank-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tank-gallery-toolbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
}
.gallery-nav {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  color: #0a4369;
  background: linear-gradient(135deg, #d8f7ff, #fff6bf);
  box-shadow: 0 12px 24px rgba(8, 56, 92, 0.14);
}
.tank-thumbnails {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.tank-thumbnail {
  flex: 0 0 78px;
  width: 78px;
  height: 78px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255,255,255,0.08);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.tank-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tank-thumbnail:hover,
.tank-thumbnail.active {
  transform: translateY(-2px);
  border-color: rgba(255, 217, 120, 0.9);
}
.tank-copy-panel h3 {
  margin: 12px 0 16px;
  font-family: "Baloo 2", cursive;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1;
}
.tank-detail-description {
  margin-top: 18px;
  display: grid;
  gap: 12px;
  color: var(--text-soft);
  line-height: 1.7;
}
.tank-detail-description p {
  margin: 0;
}
.tank-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.creature-preview {
  padding: 28px;
  border-radius: 24px;
  background: rgba(255,255,255,0.08);
}
.creature-preview img {
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  mix-blend-mode: screen;
}
.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
}
.contact-card,
.contact-actions-card {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(10px);
}
.contact-brand h4,
.contact-actions-card h4 {
  margin: 10px 0 10px;
  font-family: "Baloo 2", cursive;
  font-size: 1.8rem;
  line-height: 1;
}
.contact-kicker {
  margin: 0;
  color: #fff3c2;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.contact-info-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}
.contact-info-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.08);
}
.contact-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-weight: 800;
  color: #0d527e;
  background: linear-gradient(135deg, #ffe494, #fff9c9);
}
.contact-info-item strong {
  display: block;
  margin-bottom: 4px;
}
.contact-info-item p,
.contact-info-item a {
  margin: 0;
  color: var(--text-soft);
  text-decoration: none;
  line-height: 1.6;
}
.contact-info-item a:hover {
  text-decoration: underline;
}
.contact-actions {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}
.contact-action {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 14px 18px;
  border-radius: 999px;
  font-weight: 800;
  color: #0b3f64;
  text-decoration: none;
  transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 24px rgba(8, 56, 92, 0.16);
}
.contact-action:hover {
  transform: translateY(-2px);
  filter: brightness(1.03);
}
.contact-action.primary { background: linear-gradient(135deg, #ffd978, #fff1af); }
.contact-action.zalo { background: linear-gradient(135deg, #93e7ff, #d8f7ff); }
.contact-action.facebook { background: linear-gradient(135deg, #9cc2ff, #dce8ff); }
.contact-action.tiktok { background: linear-gradient(135deg, #ffc4df, #ffe7f3); }
.contact-action.website { background: linear-gradient(135deg, #a9ffd2, #e2fff1); }
.address-card {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.08);
}
.address-label {
  margin: 0 0 8px;
  color: #fff3c2;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
@keyframes jellyDrift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(var(--scale, 1)) rotate(-2deg); }
  25% { transform: translate3d(-10px, -18px, 0) scale(var(--scale, 1)) rotate(1deg); }
  50% { transform: translate3d(12px, -36px, 0) scale(calc(var(--scale, 1) * 1.02)) rotate(-1deg); }
  75% { transform: translate3d(-8px, -16px, 0) scale(var(--scale, 1)) rotate(2deg); }
}
@keyframes nemoSwim {
  0%, 100% { transform: translate3d(0, 0, 0) scale(var(--scale, 1)) rotate(0deg); }
  20% { transform: translate3d(16px, -6px, 0) scale(var(--scale, 1)) rotate(1deg); }
  50% { transform: translate3d(-14px, 8px, 0) scale(var(--scale, 1)) rotate(-1deg); }
  80% { transform: translate3d(12px, -4px, 0) scale(var(--scale, 1)) rotate(1deg); }
}
@media (max-width: 1080px) {
  .jelly-grid { grid-template-columns: 1fr; }
  .tank-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tank-detail-layout { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 840px) {
  .page-shell { flex-direction: column; }
  .side-menu { width: 100%; padding: 18px; gap: 18px; }
  .menu-nav { flex-direction: row; flex-wrap: wrap; margin-top: 0; }
  .menu-item { flex: 1 1 140px; text-align: center; }
  .menu-link { flex: 1 1 180px; text-align: center; }
  .menu-item:hover,
  .menu-item.active,
  .menu-link:hover { transform: translateY(-2px); }
}
@media (max-width: 560px) {
  .brand-pill h1 { font-size: 1.9rem; }
  .modal, .modal-body { padding-left: 16px; padding-right: 16px; }
  .modal-banner { min-height: 220px; padding: 24px; }
  .jelly-media-frame,
  .media-pane,
  .jelly-card img,
  .media-pane img { height: 180px; }
  .tank-grid { grid-template-columns: 1fr; }
  .tank-gallery-panel,
  .tank-copy-panel { padding: 18px; }
  .tank-thumbnail { flex-basis: 68px; width: 68px; height: 68px; }
  .creature-modal-body { grid-template-columns: 1fr; }
  .contact-card,
  .contact-actions-card { padding: 18px; }
  .contact-info-item { grid-template-columns: 36px 1fr; padding: 12px 14px; }
  .contact-icon { width: 36px; height: 36px; }
}