/* ============================================
   DreamLab CSS — Deep Ocean Theme
   ============================================ */

:root {
  --bg-deep:      #030d1a;
  --bg-mid:       #061424;
  --bg-surface:   #0a1e34;
  --ocean-dark:   #0d2540;
  --ocean-mid:    #0e3d6e;
  --ocean-light:  #1a5fa3;
  --accent:       #00c9ff;
  --accent-glow:  #00c9ff88;
  --accent-warm:  #ff8c42;
  --text-primary: #e8f4ff;
  --text-secondary: #8ab4d4;
  --text-muted:   #4a7a9b;
  --border:       rgba(0, 201, 255, 0.15);
  --border-hover: rgba(0, 201, 255, 0.4);
  --font-display: 'Shippori Mincho', serif;
  --font-body:    'Zen Kaku Gothic New', sans-serif;
  --font-mono:    'Space Mono', monospace;
  --radius:       12px;
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.8;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ============ NAVBAR ============ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  transition: background var(--transition), backdrop-filter var(--transition);
}
#navbar.scrolled {
  background: rgba(3, 13, 26, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}
.logo-d { color: var(--accent); }
.logo-lab { color: var(--accent-warm); }
.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { transform: scaleX(1); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* ============ HERO ============ */
#hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.5rem;
}
.hero-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(5rem, 14vw, 11rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.title-line {
  display: block;
  opacity: 0;
  animation: fadeUp 0.9s forwards;
}
.title-line:first-child { animation-delay: 0.4s; }
.title-line.accent {
  color: transparent;
  -webkit-text-stroke: 2px var(--accent);
  animation-delay: 0.6s;
  text-shadow: 0 0 60px var(--accent-glow);
}
.hero-tagline {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border: 1px solid var(--border-hover);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--accent);
  transition: background var(--transition), box-shadow var(--transition);
  opacity: 0;
  animation: fadeUp 0.8s 1s forwards;
}
.hero-cta svg {
  width: 18px; height: 18px;
  animation: bounce 2s infinite 2s;
}
.hero-cta:hover {
  background: rgba(0, 201, 255, 0.08);
  box-shadow: 0 0 30px var(--accent-glow);
}
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 1s 1.5s forwards;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s infinite;
}
.scroll-indicator span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--text-muted);
}

/* ============ SECTIONS (shared) ============ */
section { position: relative; }
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 7rem 2rem;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 3.5rem;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin-top: 1rem;
  border-radius: 2px;
}

/* ============ ABOUT ============ */
#about { background: var(--bg-mid); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-text .lead-text {
  font-size: 1.1rem;
  line-height: 2;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}
.about-text strong { color: var(--accent); font-weight: 700; }
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}
.support-badge {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  background: rgba(0, 201, 255, 0.04);
}
.badge-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.75rem;
}
.badge-items { display: flex; flex-direction: column; gap: 0.5rem; }
.badge-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition);
  width: fit-content;
}
.badge-item:hover { color: var(--accent); }
.about-visual {
  display: flex;
  justify-content: center;
}
.fish-card {
  width: 240px;
  height: 240px;
  perspective: 800px;
}
.fish-card-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, var(--ocean-mid), var(--ocean-dark));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.6s, box-shadow 0.6s;
  box-shadow: 0 0 60px rgba(0, 201, 255, 0.1);
  animation: floatCard 4s ease-in-out infinite;
}
.fish-card:hover .fish-card-inner {
  transform: scale(1.05);
  box-shadow: 0 0 80px rgba(0, 201, 255, 0.25);
}
.fish-icon { font-size: 5rem; position: relative; z-index: 1; }
.fish-card-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 60% 60%, rgba(0, 201, 255, 0.08), transparent 60%);
}

/* ============ ACTIVITIES ============ */
#activities { background: var(--bg-deep); }
.timeline { display: flex; flex-direction: column; gap: 0; }
.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s, transform 0.6s;
}
.timeline-item.visible { opacity: 1; transform: translateY(0); }
.timeline-marker {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding-top: 0.25rem;
}
.timeline-marker span {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--border-hover);
  line-height: 1;
}
.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.timeline-content strong { color: var(--accent-warm); }

/* ============ MEMBERS ============ */
#members { background: var(--bg-mid); }
.members-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  align-items: stretch;
}
.member-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
  background: rgba(6, 20, 36, 0.55);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.member-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 48px rgba(0, 201, 255, 0.06);
}
.member-photo {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--ocean-dark);
}
.member-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.member-body {
  padding: 1.5rem 1.75rem 1.85rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.member-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}
.member-hobbies-heading {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.65rem;
}
.member-hobbies {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.member-hobbies li {
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: rgba(0, 201, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 50px;
}

/* ============ EVENT ============ */
#event {
  position: relative;
  overflow: hidden;
  background: var(--bg-surface);
}
.event-bg {
  position: absolute;
  inset: 0;
  opacity: 0.3;
}
#waveCanvas { width: 100%; height: 100%; }
.event-card {
  display: flex;
  gap: 3rem;
  align-items: center;
  background: rgba(6, 20, 36, 0.8);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  padding: 3rem;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.event-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.event-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 60px rgba(0, 201, 255, 0.08);
}
.event-date-block {
  text-align: center;
  min-width: 120px;
}
.event-month {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
.event-day-range {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-primary);
}
.event-day-range span { color: var(--text-muted); font-size: 2.5rem; }
.event-year {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  letter-spacing: 0.15em;
}
.event-divider {
  width: 1px;
  height: 120px;
  background: var(--border);
  flex-shrink: 0;
}
.event-location {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.event-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.event-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}
.event-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  padding: 0.3rem 0.8rem;
  background: rgba(0, 201, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}
.event-map-wrap {
  margin-top: 1.25rem;
  width: 100%;
  max-width: 100%;
}
.event-map-wrap.is-closed .event-map-header,
.event-map-wrap.is-closed .event-map-panel {
  display: none;
}
.event-map-wrap.is-closed .event-map-reopen {
  display: inline-flex;
}
.event-map-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.65rem;
}
.event-map-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
  letter-spacing: 0.04em;
}
.event-map-close {
  flex-shrink: 0;
  padding: 0.35rem 0.85rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: rgba(0, 201, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 50px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.event-map-close:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: rgba(0, 201, 255, 0.1);
}
.event-map-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.event-map-reopen {
  display: none;
  align-items: center;
  justify-content: center;
  margin-top: 0.25rem;
  padding: 0.5rem 1rem;
  width: 100%;
  max-width: 16rem;
  font-size: 0.85rem;
  color: var(--accent);
  background: rgba(0, 201, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.event-map-reopen:hover {
  border-color: var(--border-hover);
  background: rgba(0, 201, 255, 0.14);
}
.event-map-reopen:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.event-map-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}
.event-map-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ============ JOIN ============ */
#join { background: var(--bg-mid); }
.join-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.join-condition h3,
.join-action h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
  text-transform: uppercase;
}
.condition-item {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(0, 201, 255, 0.02);
  transition: border-color var(--transition), background var(--transition);
}
.condition-item:hover {
  border-color: var(--border-hover);
  background: rgba(0, 201, 255, 0.05);
}
.condition-icon { font-size: 2rem; flex-shrink: 0; }
.condition-item strong {
  display: block;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  font-weight: 700;
}
.condition-item p { font-size: 0.88rem; color: var(--text-secondary); }
.discord-card {
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 1.5);
  padding: 2.5rem;
  text-align: center;
  background: rgba(88, 101, 242, 0.06);
  transition: border-color var(--transition);
}
.discord-card:hover { border-color: rgba(88, 101, 242, 0.4); }
.discord-icon { color: #7289da; margin-bottom: 1.25rem; }
.discord-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.9;
}
.discord-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  background: #7289da;
  color: #fff;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.discord-btn:hover {
  background: #5b73d4;
  box-shadow: 0 8px 32px rgba(114, 137, 218, 0.35);
  transform: translateY(-2px);
}

/* ============ FOOTER ============ */
#footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 4rem 2rem;
  text-align: center;
}
.footer-inner { max-width: 600px; margin: 0 auto; }
.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.footer-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color var(--transition);
  border-bottom: 1px solid transparent;
}
.footer-links a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); transform-origin: top; }
  50%       { opacity: 1; }
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%       { transform: translateY(-12px) rotate(2deg); }
  66%       { transform: translateY(-6px) rotate(-1deg); }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: rgba(3, 13, 26, 0.97);
    padding: 1rem 0 2rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open li a {
    display: block;
    padding: 0.8rem 2rem;
  }
  .hamburger { display: flex; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .event-card { flex-direction: column; gap: 1.5rem; }
  .event-divider { width: 60px; height: 1px; }
  .members-grid { grid-template-columns: 1fr; gap: 2rem; }
  .join-grid { grid-template-columns: 1fr; gap: 2rem; }
  .timeline-item { grid-template-columns: 50px 1fr; gap: 1rem; }
  .timeline-marker span { font-size: 1.8rem; }
}