@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700;800;900&family=Noto+Sans+JP:wght@400;500;700;800;900&display=swap');

:root {
  --bg: #081018;
  --surface: #101c27;
  --ink: #f7fbff;
  --muted: #b9c7d3;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #46d6d0;
  --hot: #ff7b6e;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 80% 0, rgba(70, 214, 208, 0.18), transparent 34%), var(--bg);
  color: var(--ink);
  letter-spacing: 0.02em;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
  padding: 18px 20px;
  background: rgba(8, 16, 24, 0.75);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  transition: padding 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  padding: 12px 20px;
  background: rgba(8, 16, 24, 0.92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; }
.brand-icon { width: 38px; height: 38px; border-radius: 8px; object-fit: cover; border: 1px solid var(--line); }
nav { display: flex; gap: 6px; flex-wrap: wrap; font-size: 0.9rem; font-weight: 800; }
nav a {
  padding: 8px 12px;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
nav a:hover, nav a.active {
  background: rgba(70, 214, 208, 0.12);
  color: var(--accent);
  transform: translateY(-1px);
}
nav a:active {
  transform: translateY(0);
}

.hero { position: relative; min-height: 86svh; display: grid; align-items: center; padding: 70px 20px; overflow: hidden; }
.hero-copy { position: relative; z-index: 1; max-width: 900px; }
.label { color: var(--accent); font-size: 0.76rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.6rem, 11vw, 6.6rem); line-height: 1; margin-bottom: 22px; }
h2 { font-size: clamp(2rem, 8vw, 4rem); line-height: 1.08; margin-bottom: 24px; }
p { color: var(--muted); line-height: 1.9; }
.hero-copy p:not(.label) { max-width: 760px; font-size: 1.08rem; }

.space-visual {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(90deg, rgba(8, 16, 24, 0.96) 0%, rgba(8, 16, 24, 0.74) 42%, rgba(8, 16, 24, 0.12) 100%),
    url("../img/vr-metaverse-hero.png");
  background-position: center;
  background-size: cover;
}
.space-visual::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.26;
}
.cube {
  position: absolute;
  border: 1px solid rgba(70, 214, 208, 0.6);
  background: linear-gradient(135deg, rgba(70, 214, 208, 0.18), rgba(255, 123, 110, 0.13));
  box-shadow: var(--shadow);
  transform: rotate(12deg) skew(-8deg);
  will-change: transform;
}
.c1 {
  right: 12%; top: 24%; width: 210px; height: 150px;
  animation: float-cube-1 12s ease-in-out infinite;
}
.c2 {
  right: 28%; bottom: 18%; width: 150px; height: 110px;
  animation: float-cube-2 16s ease-in-out infinite;
}
.c3 {
  right: 5%; bottom: 28%; width: 92px; height: 92px;
  animation: float-cube-3 10s ease-in-out infinite;
}

@keyframes float-cube-1 {
  0%, 100% { transform: rotate(12deg) skew(-8deg) translate(0, 0); }
  50% { transform: rotate(15deg) skew(-6deg) translate(-10px, -20px); }
}
@keyframes float-cube-2 {
  0%, 100% { transform: rotate(12deg) skew(-8deg) translate(0, 0); }
  50% { transform: rotate(9deg) skew(-10deg) translate(15px, 10px); }
}
@keyframes float-cube-3 {
  0%, 100% { transform: rotate(12deg) skew(-8deg) translate(0, 0); }
  50% { transform: rotate(18deg) skew(-4deg) translate(-5px, 15px); }
}

.section, .form-section { padding: 72px 20px; }
.card-grid { display: grid; gap: 14px; }
.card-grid.three { grid-template-columns: 1fr; }
.card {
  padding: 26px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 12px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(70, 214, 208, 0.4);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.card p { margin-bottom: 0; }
.dark { background: #050a0f; }

.steps { display: grid; gap: 12px; padding: 0; margin: 0; list-style: none; }
.steps li {
  display: grid;
  gap: 6px;
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, background 0.3s ease;
}
.steps li:hover {
  transform: translateY(-3px);
  border-color: rgba(70, 214, 208, 0.3);
  background: rgba(255, 255, 255, 0.06);
}
.steps span { color: var(--muted); line-height: 1.8; }

.note { background: #0d1720; }
.action-row { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-flex; min-height: 48px; align-items: center;
  padding: 0 22px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 900;
  border-radius: 8px;
  background: transparent;
  transition: background 0.2s ease, color 0.2s ease, transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
  cursor: pointer;
}
.button:hover {
  background: var(--accent);
  color: var(--bg);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 24px rgba(70, 214, 208, 0.35);
}
.button:active {
  transform: translateY(-1px) scale(0.97);
}
.button.secondary {
  border-color: rgba(255, 255, 255, 0.35);
  color: rgba(255, 255, 255, 0.9);
}
.button.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: #fff;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 24px rgba(255, 255, 255, 0.08);
}
.button.secondary:active {
  transform: translateY(-1px) scale(0.97);
}

.world-highlight { background: #0b151f; }
.music-event-highlight { background: #0e121c; }
.feature-panel {
  display: grid;
  gap: 24px;
  align-items: stretch;
  padding: 26px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(70, 214, 208, 0.14), rgba(255, 123, 110, 0.08)),
    rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}
.world-picks {
  display: grid;
  gap: 14px;
}
.world-pick-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(70, 214, 208, 0.3);
  background: rgba(8, 16, 24, 0.66);
  box-shadow: var(--shadow);
  border-radius: 12px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}
.world-pick-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(70, 214, 208, 0.15);
}
.world-pick-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.world-card-kicker { color: var(--accent); font-size: 0.72rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.world-pick-card strong { display: block; font-size: 1.25rem; line-height: 1.25; }
.world-pick-card span:last-child { color: var(--muted); }
.music-pick { align-self: stretch; }

.breadcrumb { margin-bottom: 18px; font-size: 0.86rem; color: rgba(255, 255, 255, 0.72); }
.breadcrumb a { color: var(--accent); font-weight: 800; }
.sub-hero {
  position: relative;
  min-height: 58svh;
  display: grid;
  align-items: center;
  padding: 84px 20px 72px;
  overflow: hidden;
}
.sub-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(8, 16, 24, 0.94), rgba(8, 16, 24, 0.42)),
    url("../img/vr-metaverse-hero.png");
  background-size: cover;
  background-position: center;
}
.sub-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.18;
}
.sub-hero-copy { position: relative; z-index: 1; max-width: 900px; }
.sub-hero-copy p:not(.label):not(.breadcrumb) { max-width: 760px; font-size: 1.04rem; }
.music-hero { min-height: 64svh; }
.music-hero-bg {
  background-image:
    linear-gradient(90deg, rgba(8, 16, 24, 0.94), rgba(8, 16, 24, 0.46)),
    url("https://cluster.mu/uploads/group_1EB56043629C2ED1D76BCB1DF3/2efd0dc9-be3f-412a-a88c-6ed401138885/95183545-480b-4dc9-b17f-a1a1e126deb9.jpg");
  background-position: center;
}
.next-event-section {
  background:
    linear-gradient(135deg, rgba(70, 214, 208, 0.1), rgba(255, 123, 110, 0.08)),
    #0b151f;
}
.next-event-panel {
  display: grid;
  gap: 24px;
  align-items: stretch;
  padding: 28px;
  border: 1px solid rgba(70, 214, 208, 0.3);
  background: rgba(8, 16, 24, 0.72);
  box-shadow: var(--shadow);
  border-radius: 16px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.next-event-panel:hover {
  border-color: rgba(70, 214, 208, 0.55);
  box-shadow: 0 16px 40px rgba(70, 214, 208, 0.1);
}
.next-event-thumb {
  margin: 0;
  width: min(100%, 340px);
  justify-self: center;
  align-self: start;
  border: 1px solid var(--line);
  background: #030609;
  box-shadow: var(--shadow);
  overflow: hidden;
  border-radius: 12px;
}
.next-event-thumb img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.next-event-panel h2 {
  margin-bottom: 16px;
}
.next-event-facts {
  display: grid;
  gap: 10px;
  margin: 0;
}
.next-event-facts div {
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
}
.next-event-facts dt {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
}
.next-event-facts dd {
  margin: 6px 0 0;
  color: var(--ink);
  font-weight: 900;
  line-height: 1.55;
}

.world-list { display: grid; gap: 18px; }
.world-list-card {
  display: grid;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
  border-radius: 14px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}
.world-list-card:hover {
  transform: translateY(-4px);
  border-color: rgba(70, 214, 208, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.world-thumb {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 10px;
}
.world-type { color: var(--accent); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 18px 0 20px; list-style: none; }
.tag-list li { padding: 8px 10px; border: 1px solid rgba(70, 214, 208, 0.32); color: var(--accent); font-size: 0.82rem; font-weight: 800; background: rgba(70, 214, 208, 0.08); }

.world-hero {
  display: grid;
  gap: 34px;
  align-items: center;
  min-height: 78svh;
  padding: 84px 20px 72px;
  background:
    radial-gradient(circle at 76% 18%, rgba(70, 214, 208, 0.18), transparent 28%),
    radial-gradient(circle at 92% 72%, rgba(255, 123, 110, 0.14), transparent 26%),
    #081018;
}
.world-hero-copy { max-width: 820px; }
.world-hero-copy p:not(.label):not(.breadcrumb) { max-width: 760px; font-size: 1.06rem; }

.world-photo-card {
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}
.world-photo-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.world-photo-card figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 0.82rem;
}
.video-thumb {
  align-self: center;
}

.world-visual {
  position: relative;
  min-height: 280px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(70, 214, 208, 0.12), rgba(255, 123, 110, 0.08)),
    #0b1721;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.world-visual.large { min-height: 430px; }
.world-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  transform: perspective(500px) rotateX(58deg) translateY(130px);
  transform-origin: bottom;
}
.planet {
  position: absolute;
  width: 130px;
  height: 130px;
  right: 10%;
  top: 10%;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 32%, #fff, var(--accent) 18%, #176d7a 62%, transparent 64%);
  opacity: 0.75;
  animation: planet-glow 8s ease-in-out infinite;
  will-change: box-shadow;
}
.cafe-floor {
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: 18%;
  height: 36%;
  border: 1px solid rgba(70, 214, 208, 0.52);
  background: linear-gradient(135deg, rgba(70, 214, 208, 0.18), rgba(255, 255, 255, 0.04));
  transform: skewX(-14deg);
}
.cafe-counter {
  position: absolute;
  left: 18%;
  bottom: 32%;
  width: 48%;
  height: 18%;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: linear-gradient(180deg, rgba(255,255,255,0.18), rgba(70, 214, 208, 0.14));
}
.cafe-light {
  position: absolute;
  width: 10px;
  height: 92px;
  top: 12%;
  background: linear-gradient(180deg, rgba(255,255,255,0.7), rgba(70,214,208,0.0));
  animation: light-pulse 4s ease-in-out infinite;
  will-change: opacity;
}
.cafe-light::after {
  content: "";
  position: absolute;
  left: -18px;
  bottom: -6px;
  width: 46px;
  height: 18px;
  border-radius: 50%;
  background: rgba(70, 214, 208, 0.34);
}
.cafe-light.l1 { left: 24%; }
.cafe-light.l2 { left: 62%; top: 18%; animation-delay: 1.5s; }
.avatar {
  position: absolute;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--hot);
  box-shadow: 0 32px 0 -8px rgba(255, 123, 110, 0.65);
  will-change: transform;
}
.avatar.a1 {
  left: 26%; bottom: 30%;
  animation: avatar-bob 3s ease-in-out infinite;
}
.avatar.a2 {
  left: 58%; bottom: 25%;
  background: var(--accent);
  box-shadow: 0 32px 0 -8px rgba(70, 214, 208, 0.65);
  animation: avatar-bob 3.6s ease-in-out infinite 0.6s;
}
.avatar.a3 {
  right: 20%; bottom: 38%;
  background: #ffd166;
  box-shadow: 0 32px 0 -8px rgba(255, 209, 102, 0.65);
  animation: avatar-bob 3.3s ease-in-out infinite 1.2s;
}

@keyframes planet-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(70, 214, 208, 0.15); filter: drop-shadow(0 0 2px rgba(70, 214, 208, 0.2)); }
  50% { box-shadow: 0 0 45px rgba(70, 214, 208, 0.45); filter: drop-shadow(0 0 12px rgba(70, 214, 208, 0.5)); }
}
@keyframes light-pulse {
  0%, 100% { opacity: 0.95; }
  50% { opacity: 0.65; }
}
@keyframes avatar-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

.info-grid, .metric-grid { display: grid; gap: 14px; }
.info-card, .metric {
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}
.info-card p { margin-bottom: 0; }
.metric strong { display: block; color: var(--accent); font-size: clamp(2rem, 8vw, 4.3rem); line-height: 1; }
.metric span { display: block; margin-top: 10px; color: var(--muted); font-weight: 800; }

.feature-list-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
.feature-list {
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow);
}
.feature-list ul {
  margin: 0;
  padding-left: 1.2em;
  color: var(--muted);
  line-height: 1.85;
}
.api-section { background: #0b151f; }
.update-timeline {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.update-timeline li {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}
.update-timeline time {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 900;
}
.update-timeline strong { color: var(--ink); font-size: 1.08rem; }
.update-timeline span { color: var(--muted); line-height: 1.8; }
.video-frame {
  position: relative;
  width: min(100%, 960px);
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.archive-section { background: #081018; }
.archive-head {
  display: grid;
  gap: 20px;
  align-items: end;
  margin-bottom: 22px;
}
.archive-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 12px;
  margin: 0;
}
.archive-stats div {
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}
.archive-stats dt { color: var(--muted); font-size: 0.78rem; font-weight: 900; }
.archive-stats dd { margin: 8px 0 0; color: var(--accent); font-size: 2rem; line-height: 1; font-weight: 900; }
.event-search { display: grid; gap: 8px; margin-bottom: 14px; }
.search-label { color: var(--muted); font-size: 0.82rem; font-weight: 900; }
.search-row {
  display: grid;
  gap: 10px;
}
.search-row input {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  border: 1px solid rgba(70, 214, 208, 0.42);
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font: inherit;
}
.search-row input:focus {
  outline: 2px solid rgba(70, 214, 208, 0.5);
  outline-offset: 2px;
}
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}
.filter-pill {
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}
.filter-pill.is-active,
.filter-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(70, 214, 208, 0.12);
}
.result-summary,
.empty-state {
  margin: 0 0 18px;
  color: var(--muted);
  font-weight: 800;
}
.event-grid {
  display: grid;
  gap: 16px;
}
.event-card {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.event-thumb {
  position: relative;
  display: block;
  min-height: 220px;
  background: #030609;
}
.event-thumb img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.event-thumb span {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(8, 16, 24, 0.82);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
}
.event-card-body {
  display: grid;
  gap: 14px;
  padding: 20px;
}
.event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
}
.event-card h3 {
  margin: 0;
  font-size: clamp(1.1rem, 5vw, 1.45rem);
  line-height: 1.45;
}
.event-detail-list {
  display: grid;
  gap: 8px;
  margin: 0;
}
.event-detail-list div {
  display: grid;
  gap: 4px;
}
.event-detail-list dt {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.76rem;
  font-weight: 900;
}
.event-detail-list dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}
.event-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.form-section { background: #030609; }
.google-form { width: 100%; min-height: 520px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.05); }

/* フッター（強化版） */
.site-footer { padding: 48px 20px 24px; background: #030609; color: var(--muted); border-top: 1px solid var(--line); }
.footer-grid { display: grid; gap: 32px; max-width: 1200px; margin: 0 auto; }
.footer-col h4 { margin: 0 0 14px; font-size: 0.78rem; color: rgba(255, 255, 255, 0.6); letter-spacing: 0.14em; text-transform: uppercase; font-weight: 900; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-icon { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; border: 1px solid var(--line); }
.footer-brand strong { display: block; color: rgba(255, 255, 255, 0.96); font-size: 1rem; }
.footer-brand small { display: block; color: var(--muted); font-size: 0.8rem; margin-top: 2px; }
.footer-copy { margin: 0; font-size: 0.84rem; color: rgba(255, 255, 255, 0.5); }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-links a {
  display: inline-block;
  color: var(--muted);
  font-size: 0.92rem;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.footer-links a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
  transform: translateX(4px);
}
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 18px; max-width: 1200px; margin: 32px auto 0; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.84rem; color: rgba(255, 255, 255, 0.5); }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--accent); }

@media (min-width: 760px) {
  .site-header, .hero, .section, .form-section, .site-footer {
    padding-left: clamp(42px, 6vw, 88px);
    padding-right: clamp(42px, 6vw, 88px);
  }
  .card-grid { grid-template-columns: repeat(4, 1fr); }
  .card-grid.three { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .steps.three { grid-template-columns: repeat(3, 1fr); }
  .feature-panel { grid-template-columns: 1.3fr 0.9fr; padding: 34px; }
  .next-event-panel { grid-template-columns: minmax(180px, 340px) minmax(0, 1fr) minmax(220px, 0.75fr); padding: 34px; }
  .world-picks { grid-template-columns: 1fr; }
  .world-list-card { grid-template-columns: 0.8fr 1.2fr; padding: 34px; }
  .world-hero { grid-template-columns: 1.05fr 0.95fr; padding-left: clamp(42px, 6vw, 88px); padding-right: clamp(42px, 6vw, 88px); }
  .sub-hero { padding-left: clamp(42px, 6vw, 88px); padding-right: clamp(42px, 6vw, 88px); }
  .info-grid { grid-template-columns: repeat(3, 1fr); }
  .metric-grid { grid-template-columns: repeat(4, 1fr); }
  .feature-list-grid { grid-template-columns: repeat(3, 1fr); }
  .archive-head { grid-template-columns: 1fr 320px; }
  .search-row { grid-template-columns: 1fr auto; }
  .event-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .event-card { grid-template-columns: minmax(220px, 0.78fr) minmax(0, 1.22fr); }
  .event-thumb { min-height: 100%; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; gap: 48px; }
}

/* --- Scroll Reveal & Dynamic Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for child elements in grids/lists */
.card-grid .reveal:nth-child(1) { transition-delay: 0.05s; }
.card-grid .reveal:nth-child(2) { transition-delay: 0.15s; }
.card-grid .reveal:nth-child(3) { transition-delay: 0.25s; }
.card-grid .reveal:nth-child(4) { transition-delay: 0.35s; }

.info-grid .reveal:nth-child(1) { transition-delay: 0.05s; }
.info-grid .reveal:nth-child(2) { transition-delay: 0.15s; }
.info-grid .reveal:nth-child(3) { transition-delay: 0.25s; }

.metric-grid .reveal:nth-child(1) { transition-delay: 0.05s; }
.metric-grid .reveal:nth-child(2) { transition-delay: 0.15s; }
.metric-grid .reveal:nth-child(3) { transition-delay: 0.25s; }
.metric-grid .reveal:nth-child(4) { transition-delay: 0.35s; }

.feature-list-grid .reveal:nth-child(1) { transition-delay: 0.05s; }
.feature-list-grid .reveal:nth-child(2) { transition-delay: 0.15s; }
.feature-list-grid .reveal:nth-child(3) { transition-delay: 0.25s; }

.steps .reveal:nth-child(1) { transition-delay: 0.05s; }
.steps .reveal:nth-child(2) { transition-delay: 0.15s; }
.steps .reveal:nth-child(3) { transition-delay: 0.25s; }
.steps .reveal:nth-child(4) { transition-delay: 0.35s; }

.world-picks .reveal:nth-child(1) { transition-delay: 0.05s; }
.world-picks .reveal:nth-child(2) { transition-delay: 0.15s; }

/* Event Card dynamically animated entrance */
@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.event-card {
  animation: cardFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  will-change: opacity, transform;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(16, 28, 39, 0.8);
  border: 1px solid rgba(70, 214, 208, 0.4);
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transform: translateY(15px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(70, 214, 208, 0.35);
}