/* ============================================================
   styles.css — PAC3 Visualización de Datos · UOC
   Tema: oscuro elegante · Verde #0a4a30 / #2db07a · Fondo #1a1a1a
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,900;1,400;1,600&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ─── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:          #1a1a1a;
  --bg-card:     #232323;
  --bg-card-alt: #1e2820;
  --green-deep:  #0a4a30;
  --green-mid:   #2db07a;
  --green-light: #5fcfa0;
  --green-glow:  rgba(45,176,122,.15);
  --orange:      #e8734a;
  --blue:        #4a9eca;
  --gold:        #f0c060;
  --text-primary:   #f0ece4;
  --text-secondary: #9a9590;
  --text-muted:     #5a5550;
  --border:      rgba(255,255,255,.07);
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --transition:  .45s cubic-bezier(.16,1,.3,1);
  --font-serif:  'Playfair Display', Georgia, serif;
  --font-sans:   'DM Sans', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── Progress bar (top) ────────────────────────────────────── */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--green-deep), var(--green-mid), var(--green-light));
  z-index: 1000;
  transition: width .1s linear;
  box-shadow: 0 0 8px var(--green-mid);
}

/* ─── Side nav dots ─────────────────────────────────────────── */
#side-nav {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

.nav-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.nav-dot:hover,
.nav-dot.active {
  background: var(--green-mid);
  border-color: var(--green-light);
  transform: scale(1.3);
  box-shadow: 0 0 12px var(--green-mid);
}

.nav-dot .dot-label {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-family: var(--font-sans);
  font-size: .7rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}

.nav-dot:hover .dot-label {
  opacity: 1;
}

/* ─── Section base ──────────────────────────────────────────── */
.section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 100px clamp(24px, 6vw, 120px);
  position: relative;
  overflow: hidden;
}

.section--cover {
  background: radial-gradient(ellipse 120% 80% at 60% 40%, #0d3b24 0%, #111 55%, var(--bg) 100%);
  align-items: center;
  text-align: center;
}

.section--act {
  background: var(--bg);
}

.section--act:nth-child(even) {
  background: #181818;
}

.section--conclusion {
  background: linear-gradient(160deg, #0d2a1a 0%, var(--bg) 60%);
}

/* ─── Scroll reveal ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }
.reveal-delay-5 { transition-delay: .55s; }

/* ─── Cover section ─────────────────────────────────────────── */
.cover-eyebrow {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--green-mid);
  margin-bottom: 24px;
}

.cover-eyebrow--author {
  font-size: .9rem;
  margin-bottom: 6px;
}

.cover-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--text-primary);
  margin-bottom: 24px;
  max-width: 900px;
}

.cover-title em {
  font-style: italic;
  color: var(--green-mid);
}

.cover-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 56px;
  font-weight: 300;
  line-height: 1.7;
}

.cover-stats {
  display: flex;
  gap: clamp(24px, 4vw, 56px);
  justify-content: center;
  flex-wrap: wrap;
}

.cover-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}

.cover-stat__num {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.cover-stat__label {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.cover-scroll-hint {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: arrowBounce 1.5s infinite;
}

@keyframes arrowBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(6px); }
}

/* ─── Act sections layout ───────────────────────────────────── */
.act-header {
  max-width: 900px;
  margin-bottom: 64px;
}

.act-number {
  font-family: var(--font-sans);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--green-mid);
  margin-bottom: 12px;
}

.act-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.act-message {
  font-size: clamp(.95rem, 1.4vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.7;
  font-weight: 300;
}

.act-content {
  width: 100%;
  max-width: 1100px;
}

/* ─── Chart containers ──────────────────────────────────────── */
.chart-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 48px);
  margin-bottom: 32px;
}

.chart-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 32px;
  opacity: .8;
}

/* ─── Bar chart (Act 1) ─────────────────────────────────────── */
.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.bar-row {
  display: grid;
  grid-template-columns: 130px 1fr 90px;
  align-items: center;
  gap: 20px;
}

@media (max-width: 600px) {
  .bar-row {
    grid-template-columns: 90px 1fr 70px;
    gap: 12px;
  }
}

.bar-label {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: right;
}

.bar-track {
  height: 48px;
  background: rgba(255,255,255,.04);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.bar-fill {
  height: 100%;
  border-radius: 6px;
  width: 0%;
  transition: width 1.2s cubic-bezier(.16,1,.3,1);
  position: relative;
  display: flex;
  align-items: center;
}

.bar-fill::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 40%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.12));
  border-radius: 0 6px 6px 0;
}

.bar-fill--highlight {
  box-shadow: 0 0 20px rgba(45,176,122,.4);
}

.bar-value {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  text-align: right;
  color: var(--text-primary);
}

.bar-meta {
  margin-top: 6px;
  font-size: .72rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ─── Insight box ───────────────────────────────────────────── */
.insight-box {
  background: var(--bg-card-alt);
  border: 1px solid rgba(45,176,122,.25);
  border-left: 4px solid var(--green-mid);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin-top: 16px;
}

.insight-box__label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--green-mid);
  margin-bottom: 10px;
}

.insight-box__text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.insight-box__text strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ─── Channel comparison (Act 2) ───────────────────────────── */
.channel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .channel-grid {
    grid-template-columns: 1fr;
  }
}

.channel-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.channel-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}

.channel-card--ota::before { background: var(--orange); }
.channel-card--direct::before { background: var(--green-mid); }

.channel-card:hover {
  border-color: rgba(255,255,255,.15);
  transform: translateY(-4px);
}

.channel-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.channel-card__icon {
  font-size: 1.5rem;
}

.channel-card__name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.channel-metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.channel-metric:last-child { border-bottom: none; }

.channel-metric__label {
  font-size: .82rem;
  color: var(--text-muted);
  font-weight: 400;
}

.channel-metric__value {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.channel-metric__value--positive { color: var(--green-mid); }
.channel-metric__value--negative { color: var(--orange); }
.channel-metric__value--neutral  { color: var(--blue); }

.channel-metric__value--hero {
  font-size: 1.4rem;
  font-weight: 700;
}

/* Confirmation rate bar */
.confirm-bar-wrap {
  margin: 20px 0;
}

.confirm-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: .78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.confirm-bar-track {
  height: 8px;
  background: rgba(255,255,255,.06);
  border-radius: 4px;
  overflow: hidden;
}

.confirm-bar-fill {
  height: 100%;
  border-radius: 4px;
  width: 0%;
  transition: width 1.4s cubic-bezier(.16,1,.3,1);
}

/* ─── Client comparison (Act 3) ────────────────────────────── */
.client-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 768px) {
  .client-grid {
    grid-template-columns: 1fr;
  }
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}

.client-card--loyal {
  border-color: rgba(45,176,122,.3);
  background: rgba(45,176,122,.04);
}

.client-card__badge {
  display: inline-block;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.badge--green  { background: rgba(45,176,122,.2); color: var(--green-mid); }
.badge--orange { background: rgba(232,115,74,.2);  color: var(--orange); }

.client-card__name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.client-card__ltv {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 4px;
}

.client-card__ltv--green  { color: var(--green-mid); }
.client-card__ltv--orange { color: var(--orange); }

.client-card__ltv-label {
  font-size: .78rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.client-metrics {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.client-metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .88rem;
}

.client-metric__label { color: var(--text-muted); }
.client-metric__value { font-weight: 600; color: var(--text-primary); }
.client-metric__value--good    { color: var(--green-mid); }
.client-metric__value--bad     { color: var(--orange); }
.client-metric__value--neutral { color: var(--text-primary); }

/* ─── Room change donut (Act 4) ─────────────────────────────── */
.act4-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 900px) {
  .act4-layout {
    grid-template-columns: 1fr;
  }
}

.big-stat-block {
  text-align: center;
  padding: 48px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.big-stat-num {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 900;
  color: var(--green-mid);
  line-height: 1;
  margin-bottom: 8px;
}

.big-stat-label {
  font-size: .9rem;
  color: var(--text-secondary);
  max-width: 220px;
  margin: 0 auto;
  line-height: 1.5;
}

.big-stat-sub {
  margin-top: 20px;
  font-size: .8rem;
  color: var(--text-muted);
}

/* SVG donut */
.donut-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.donut-svg {
  width: 220px;
  height: 220px;
  overflow: visible;
}

.donut-bg {
  fill: none;
  stroke: rgba(255,255,255,.06);
  stroke-width: 28;
}

.donut-upgrade {
  fill: none;
  stroke: var(--green-mid);
  stroke-width: 28;
  stroke-linecap: round;
  stroke-dasharray: 0 1000;
  transition: stroke-dasharray 1.6s cubic-bezier(.16,1,.3,1);
  filter: drop-shadow(0 0 8px rgba(45,176,122,.5));
}

.donut-downgrade {
  fill: none;
  stroke: var(--orange);
  stroke-width: 28;
  stroke-linecap: round;
  stroke-dasharray: 0 1000;
  transition: stroke-dasharray 1.6s cubic-bezier(.16,1,.3,1) .3s;
}

.donut-center {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  fill: var(--text-primary);
  text-anchor: middle;
  dominant-baseline: central;
}

.donut-legend {
  display: flex;
  gap: 28px;
}

.donut-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* ─── Conclusion section ────────────────────────────────────── */
.conclusion-intro {
  max-width: 700px;
  margin-bottom: 64px;
}

.conclusion-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.conclusion-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

.profiles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

@media (max-width: 900px) {
  .profiles-grid {
    grid-template-columns: 1fr;
  }
}

.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.profile-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,255,255,.15);
}

.profile-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
}

.profile-card:nth-child(1)::after { background: var(--green-mid); }
.profile-card:nth-child(2)::after { background: var(--blue); }
.profile-card:nth-child(3)::after { background: var(--gold); }

.profile-card__num {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.profile-card__icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
  display: block;
}

.profile-card__title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.profile-card__value {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 4px;
}

.profile-card:nth-child(1) .profile-card__value { color: var(--green-mid); }
.profile-card:nth-child(2) .profile-card__value { color: var(--blue); }
.profile-card:nth-child(3) .profile-card__value { color: var(--gold); }

.profile-card__metric {
  font-size: .8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.profile-card__subtext {
  font-size: .85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* Final quote */
.final-quote {
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
  padding: 48px 32px;
  border-top: 1px solid var(--border);
}

.final-quote__text {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 400;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 24px;
}

.final-quote__text em {
  color: var(--green-mid);
  font-style: italic;
}

.final-quote__source {
  font-size: .78rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ─── Divider / decoration ──────────────────────────────────── */
.section-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--green-mid), transparent);
  border-radius: 2px;
  margin: 16px 0 32px;
}

/* ─── Counter animation ─────────────────────────────────────── */
.counter {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-deep); }

/* ─── Responsive helpers ────────────────────────────────────── */
@media (max-width: 600px) {
  .section {
    padding: 80px 20px;
  }

  .cover-stats {
    gap: 20px;
  }

  .bar-row {
    grid-template-columns: 80px 1fr 60px;
  }

  #side-nav {
    right: 12px;
  }
}

/* ─── Explore section (Antes de la historia, los datos) ──────── */
.section--explore {
  background: linear-gradient(160deg, #111 0%, #1a1a1a 100%);
}

.explore-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

@media (max-width: 1100px) {
  .explore-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .explore-grid { grid-template-columns: 1fr; }
}

.explore-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.explore-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-mid), transparent);
  opacity: .55;
}

.explore-card:hover {
  border-color: rgba(255,255,255,.14);
  transform: translateY(-4px);
}

.explore-card__label {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--green-mid);
  margin-bottom: 4px;
}

.explore-card__num {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.explore-card__text {
  font-size: .85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
  margin-top: 6px;
}

.explore-mini-stats {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 4px 0;
}

.explore-mini-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  font-size: .85rem;
}

.explore-mini-stat:last-child { border-bottom: none; }

.explore-mini-stat__label {
  color: var(--text-muted);
  font-weight: 400;
}

.explore-mini-stat__val {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.explore-transition {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 40px 32px 0;
  border-top: 1px solid var(--border);
}

.explore-transition__text {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ─── Tooltip component ─────────────────────────────────────── */
.tooltip-btn-wrap {
  position: relative;
  display: inline-block;
}

.tooltip-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 7px 16px;
  cursor: pointer;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .04em;
  transition: border-color .2s, color .2s, background .2s;
  white-space: nowrap;
}

.tooltip-btn:hover,
.tooltip-btn:focus-visible {
  border-color: var(--green-mid);
  color: var(--text-secondary);
  background: rgba(45,176,122,.08);
  outline: none;
}

.tooltip-btn__icon {
  font-size: .9rem;
  color: var(--green-mid);
  font-style: normal;
}

.tooltip-content {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  width: 360px;
  max-width: calc(100vw - 40px);
  background: rgba(14, 22, 18, .97);
  border: 1px solid var(--green-mid);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: .82rem;
  color: var(--text-primary);
  line-height: 1.65;
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
  box-shadow: 0 8px 40px rgba(0,0,0,.65);
  text-align: left;
}

.tooltip-content.tooltip--below {
  bottom: auto;
  top: calc(100% + 12px);
}

.tooltip-btn-wrap:hover .tooltip-content,
.tooltip-btn-wrap:focus-within .tooltip-content,
.tooltip-btn-wrap.tooltip--open .tooltip-content {
  opacity: 1;
  pointer-events: auto;
}

.tooltip-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 36px;
}