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

:root {
  --bg:           #050A14;
  --surface:      #0B1220;
  --surface2:     #111B2E;
  --border:       rgba(255,255,255,0.07);
  --text:         #C8D6E8;
  --text-dim:     #6B7E96;
  --text-bright:  #EBF2FF;
  --accent:       #4A90E2;
  --glow:         rgba(74,144,226,0.25);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', monospace;

  --radius:       16px;
  --radius-sm:    10px;
  --transition:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(74,144,226,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 90%, rgba(155,89,182,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(46,204,113,0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: nebula 20s ease-in-out infinite alternate;
}

@keyframes nebula {
  0%   { opacity: 0.6; transform: scale(1);    }
  100% { opacity: 1.0; transform: scale(1.05); }
}

#stars-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

.page-wrap {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  padding: 48px 0 32px;
  text-align: center;
  position: relative;
}

.logo {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text-bright);
  line-height: 1;
}

.tagline {
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 400;
}

.science-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  backdrop-filter: blur(8px);
}

.science-badge::before {
  content: '◈';
  color: var(--accent);
  font-size: 10px;
}

.blog-teaser {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding: 10px 20px;
  background: linear-gradient(135deg, rgba(74,144,226,0.06) 0%, rgba(74,144,226,0.02) 100%);
  border: 1px solid rgba(74,144,226,0.18);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.4;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
  max-width: 480px;
}

.blog-teaser:hover {
  border-color: rgba(74,144,226,0.4);
  background: linear-gradient(135deg, rgba(74,144,226,0.1) 0%, rgba(74,144,226,0.04) 100%);
  color: var(--text);
}

.blog-teaser:hover .blog-teaser-arrow { transform: translateX(4px); }

.blog-teaser-icon {
  color: var(--accent);
  font-size: 10px;
  flex-shrink: 0;
  opacity: 0.7;
}

.blog-teaser-text em {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05em;
  color: var(--accent);
  font-weight: 300;
}

.blog-teaser-arrow {
  color: var(--accent);
  font-size: 13px;
  flex-shrink: 0;
  transition: transform var(--transition);
}

main {
  width: 100%;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 300;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.section-sub {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 36px;
}

.headphone-notice {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  margin-bottom: 32px;
  background: linear-gradient(135deg,
    rgba(74, 144, 226, 0.07) 0%,
    rgba(74, 144, 226, 0.03) 100%);
  border: 1px solid rgba(74, 144, 226, 0.25);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}

.headphone-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.headphone-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.headphone-text strong {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-bright);
  letter-spacing: 0.01em;
}

.headphone-text span {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.6;
}

.profiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.profile-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  transition-property: transform, border-color, box-shadow;
}

.profile-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--card-color-a, transparent) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: inherit;
}

.profile-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-color, var(--border));
  box-shadow:
    0 20px 60px -10px var(--card-glow, transparent),
    0 0 0 1px var(--card-color, transparent);
}

.profile-card:hover::before { opacity: 0.06; }

.profile-card.active {
  border-color: var(--card-color, var(--accent));
  box-shadow:
    0 0 0 1px var(--card-color, var(--accent)),
    0 20px 60px -10px var(--card-glow, var(--glow));
}

.card-emoji {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
  filter: drop-shadow(0 0 8px var(--card-glow, transparent));
}

.card-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-bright);
  margin-bottom: 6px;
  line-height: 1.2;
}

.card-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.55;
  margin-bottom: 16px;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

.card-duration {
  display: flex;
  align-items: center;
  gap: 4px;
}

.card-duration::before { content: '◷'; }

.card-science-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--card-color, var(--accent));
  box-shadow: 0 0 6px var(--card-glow, transparent);
  margin-left: auto;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1;   transform: scale(1);   }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

.about-section {
  margin: 60px 0;
  padding: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 28px;
  margin-top: 28px;
}

.about-item h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-bright);
  margin-bottom: 6px;
}

.about-item p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

.about-accent {
  color: var(--accent);
  font-weight: 400;
}

footer {
  text-align: center;
  padding: 32px 0 48px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  border-top: 1px solid var(--border);
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 13px;
  padding: 60px 0;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.error-msg {
  text-align: center;
  padding: 40px;
  color: #e74c3c;
  font-size: 13px;
}

.player-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 20, 0.92);
  backdrop-filter: blur(20px);
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.player-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

.player-modal {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  max-width: 520px;
  width: 100%;
  position: relative;
  margin: auto;
  transform: translateY(20px);
  transition: transform var(--transition);
  box-shadow: 0 40px 120px -20px rgba(0,0,0,0.8);
}

.player-overlay.visible .player-modal {
  transform: translateY(0);
}

.player-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 32px;
  height: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}

.player-close:hover {
  background: var(--surface2);
  color: var(--text-bright);
}

.player-emoji {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
  text-align: center;
}

.player-name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--text-bright);
  text-align: center;
  margin-bottom: 6px;
}

.player-science {
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 32px;
  padding: 12px 16px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--player-color, var(--accent));
  line-height: 1.55;
}

#wave-canvas {
  width: 100%;
  height: 80px;
  margin: 20px 0;
  border-radius: var(--radius-sm);
  background: var(--surface);
}

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

.play-btn {
  width: 100%;
  padding: 16px;
  border-radius: var(--radius);
  border: none;
  background: var(--player-color, var(--accent));
  color: #fff;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 32px -8px var(--player-glow, var(--glow));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.play-btn:hover  { filter: brightness(1.15); transform: translateY(-1px); }
.play-btn:active { transform: translateY(0); }
.play-btn .btn-icon { font-size: 18px; }

.volume-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-dim);
}

.volume-icon { font-size: 16px; cursor: pointer; }

input[type=range] {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  background: var(--surface);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  accent-color: var(--player-color, var(--accent));
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--player-color, var(--accent));
  box-shadow: 0 0 8px var(--player-glow, var(--glow));
}

.phase-progress { margin-top: 4px; }

.phase-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.phase-bar {
  height: 6px;
  background: var(--surface);
  border-radius: 3px;
  overflow: hidden;
}

.phase-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(
    90deg,
    var(--player-color, var(--accent)),
    color-mix(in srgb, var(--player-color, var(--accent)) 60%, #fff)
  );
  transition: width 1s linear;
  width: 0%;
}

.current-stage-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--player-color, var(--accent));
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 10px;
  min-height: 16px;
}

.stage-arrow-loader {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 1.5px solid transparent;
  border-top-color: var(--player-color, var(--accent));
  border-right-color: var(--player-color, var(--accent));
  border-radius: 50%;
  animation: arrow-spin 0.7s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  vertical-align: middle;
  opacity: 0.8;
}

@keyframes arrow-spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ── Donate Section ── */
.donate-section {
  margin: 0 0 60px;
  padding: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.donate-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 10% 20%, rgba(74,144,226,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 90% 80%, rgba(155,89,182,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.donate-inner { position: relative; }

.donate-header { margin-bottom: 28px; }

.donate-icon {
  display: inline-block;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.3em;
  margin-bottom: 8px;
  opacity: 0.7;
}

.donate-sub {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 0;
  line-height: 1.65;
}

.donate-methods {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.donate-method-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 18px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  cursor: pointer;
  transition: var(--transition);
  transition-property: border-color, box-shadow, color, transform;
  position: relative;
  overflow: hidden;
}

.donate-method-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(74,144,226,0.08) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
}

.donate-method-btn:hover {
  border-color: rgba(74,144,226,0.4);
  color: var(--text-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px -10px rgba(74,144,226,0.15);
}

.donate-method-btn:hover::after { opacity: 1; }

.donate-method-btn.active {
  border-color: var(--accent);
  color: var(--text-bright);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 40px -10px rgba(74,144,226,0.25);
}

.donate-method-btn.active::after { opacity: 1; }

.donate-method-icon {
  font-size: 20px;
  color: var(--accent);
  line-height: 1;
  position: relative;
  z-index: 1;
}

.donate-method-label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: inherit;
  position: relative;
  z-index: 1;
}

.donate-method-hint {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  position: relative;
  z-index: 1;
}

/* ── Donate Panel ── */
.donate-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.donate-panel.open {
  grid-template-rows: 1fr;
}

.donate-panel-inner {
  overflow: hidden;
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.donate-panel.open .donate-panel-inner {
  padding-top: 4px;
}

.donate-qr-wrap {
  flex-shrink: 0;
  position: relative;
}

.donate-qr-frame {
  width: 148px;
  height: 148px;
  background: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  box-shadow: 0 0 0 1px var(--border), 0 8px 32px -8px rgba(74,144,226,0.2);
}

/* QR code library injects a canvas or img — normalize it */
#qr-canvas-wrap canvas,
#qr-canvas-wrap img {
  width: 132px !important;
  height: 132px !important;
  display: block;
  border-radius: 4px;
}

.donate-qr-badge {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  padding: 3px 10px;
  border-radius: 99px;
  box-shadow: 0 4px 12px rgba(74,144,226,0.35);
  white-space: nowrap;
}

.donate-info {
  flex: 1;
  min-width: 0;
  padding-top: 4px;
}

.donate-info-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.donate-info-key {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-bright);
  word-break: break-all;
  margin-bottom: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  line-height: 1.5;
}

.donate-info-desc {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 16px;
}

.donate-copy-btn,
.donate-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: var(--transition);
  transition-property: background, border-color, color, transform;
  text-decoration: none;
}

.donate-copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  margin-right: 8px;
}

.donate-copy-btn:hover {
  border-color: rgba(74,144,226,0.5);
  color: var(--text-bright);
  background: rgba(74,144,226,0.06);
}

.donate-copy-btn.copied {
  border-color: rgba(46,204,113,0.5);
  color: #2ecc71;
  background: rgba(46,204,113,0.06);
}

.donate-link-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--accent);
  display: none;
  text-decoration: none;
  cursor: pointer;
}

.donate-link-btn:hover {
  background: rgba(74,144,226,0.08);
  border-color: rgba(74,144,226,0.3);
  transform: translateY(-1px);
}

.donate-thanks {
  font-size: 12px;
  color: var(--text-dim);
  text-align: center;
  margin-top: 28px;
  letter-spacing: 0.03em;
  opacity: 0.7;
}

@media (max-width: 600px) {
  .page-wrap { padding: 0 16px; }

  header         { padding: 32px 0 24px; }
  .tagline       { font-size: 11px; letter-spacing: 0.18em; }
  .science-badge { font-size: 10px; padding: 5px 12px; }
  .blog-teaser   { font-size: 12px; padding: 8px 14px; max-width: 100%; }

  .profiles-grid { grid-template-columns: 1fr; gap: 14px; }

  .profile-card { padding: 22px 18px 18px; }
  .card-emoji   { font-size: 1.6rem; margin-bottom: 10px; }
  .card-name    { font-size: 1.2rem; }
  .card-desc    { font-size: 12px; }

  .section-title { margin-bottom: 6px; }
  .section-sub   { font-size: 12px; margin-bottom: 24px; }

  .about-grid    { grid-template-columns: 1fr; gap: 16px; }
  .about-section { padding: 20px 16px; margin: 28px 0; }

  footer { font-size: 10px; padding: 24px 0 40px; line-height: 2; }

  .player-overlay { padding: 0; align-items: flex-end; overflow-y: visible; }

  .player-modal {
    border-radius: 24px 24px 0 0;
    padding: 28px 20px 32px;
    max-width: 100%;
    max-height: 92dvh;
    overflow-y: auto;
    margin: 0;
    transform: translateY(100%);
  }

  .player-overlay.visible .player-modal { transform: translateY(0); }

  .player-modal::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin: 0 auto 20px;
  }

  .player-emoji   { font-size: 2.2rem; margin-bottom: 10px; }
  .player-name    { font-size: 1.6rem; }
  .player-science { font-size: 11px; margin-bottom: 20px; padding: 10px 12px; }

  #wave-canvas { height: 60px; margin: 14px 0; }

  .play-btn { padding: 14px; font-size: 14px; }

  input[type=range]::-webkit-slider-thumb { width: 20px; height: 20px; }

  /* ── Donate mobile ── */
  .donate-section { padding: 24px 16px; margin-bottom: 28px; }

  .donate-methods { flex-direction: row; gap: 10px; }

  .donate-method-btn { padding: 14px 8px; }

  .donate-panel-inner {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .donate-qr-frame { width: 140px; height: 140px; }

  .donate-info { width: 100%; padding-top: 16px; }

  .donate-info-key { font-size: 12px; }
}

@media (max-width: 480px) {
  .player-modal { padding: 24px 16px 28px; }
  .card-name    { font-size: 1.1rem; }
  .player-close { top: 14px; right: 14px; }
}

@media (hover: none) {
  .profile-card:hover { transform: none; box-shadow: none; }
  .play-btn:hover     { filter: none; transform: none; }
  .donate-method-btn:hover { transform: none; }
}

/* Scrollbars invisíveis (rolagem mantida) */

/* Firefox */
* {
  scrollbar-width: none;
}

/* Chrome, Safari, Edge */
*::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  body::before { animation: none; }
}