/* ==========================================================================
   COMPONENTS · Botones, cards, tags, badges, FAB, hero card, info-grid,
   doctores, módulos, precios, contacto, mapa
   ========================================================================== */

/* ============ BOTONES ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: -.1px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast),
              border-color var(--t-fast), transform var(--t-fast);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--indigo-900);
  color: #fff;
}
.btn--primary:hover { background: var(--indigo-800); }

.btn--secondary {
  background: transparent;
  color: var(--indigo-900);
  border-color: var(--indigo-900);
}
.btn--secondary:hover {
  background: var(--indigo-900);
  color: #fff;
}

.btn--tertiary {
  background: var(--indigo-50);
  color: var(--indigo-900);
}
.btn--tertiary:hover { background: var(--indigo-100); }

.btn--ghost {
  background: transparent;
  color: var(--ink-700);
}
.btn--ghost:hover { color: var(--indigo-900); }

.btn--block { width: 100%; }

.btn--lg {
  padding: 16px 28px;
  font-size: 14px;
}

/* ============ TAGS ============ */

.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: -.1px;
  padding: 5px 10px;
  background: var(--indigo-50);
  color: var(--indigo-700);
  border: 1px solid var(--indigo-100);
  border-radius: var(--radius-sm);
  text-transform: none;
}

.tag--mono {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.tag--vital   { color: var(--vital);  background: rgba(0, 180, 166, .08); border-color: rgba(0, 180, 166, .2); }
.tag--alert   { color: var(--alert);  background: rgba(217, 72, 84, .08); border-color: rgba(217, 72, 84, .2); }
.tag--signal  { color: #8a6800;       background: rgba(244, 185, 66, .14); border-color: rgba(244, 185, 66, .32); }

/* ============ BADGE con dot ============ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .8px;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--vital);
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: badge-pulse 2.4s ease-in-out infinite;
}

.badge--vital  { color: var(--vital); }
.badge--alert  { color: var(--alert); }
.badge--signal { color: var(--signal); }

.badge--sm {
  font-size: 9px;
  letter-spacing: .6px;
  gap: 6px;
}

.badge--sm::before {
  width: 5px;
  height: 5px;
}

.badge--on-dark {
  color: #fff;
  padding: 6px 12px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.badge--on-dark::before { background: var(--vital); }

@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ============ CARD genérica ============ */

.card {
  background: var(--paper);
  border: 1px solid var(--line-100);
  border-radius: var(--radius-xl);
  padding: 28px;
  transition: transform var(--t-base), border-color var(--t-base),
              box-shadow var(--t-base);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--indigo-500);
  box-shadow: var(--shadow-card);
}

/* ============ HERO CARD ============ */

.hero-card {
  background: var(--paper);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-100);
}

.hero-card__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-500);
}

.hero-card__title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.7px;
  line-height: 1.2;
  color: var(--ink-900);
}

.hero-card__date {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0;
  border-top: 1px solid var(--line-100);
  border-bottom: 1px solid var(--line-100);
}

.hero-card__date-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-500);
}

.hero-card__date-value {
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -.2px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-900);
}

/* ============ INFO GRID (4 celdas) ============ */

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.info-cell {
  padding: 18px 16px;
  border: 1px solid var(--line-100);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  overflow-wrap: break-word;
  transition: background var(--t-fast), border-color var(--t-fast);
}

.info-cell:hover {
  background: var(--bone);
  border-color: var(--line-200);
}

.info-cell__label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--ink-500);
}

.info-cell__value {
  font-size: clamp(22px, 6vw, 28px);
  font-weight: 600;
  letter-spacing: -.6px;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--ink-900);
  margin-top: 4px;
}

.info-cell__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .5px;
  color: var(--ink-500);
  margin-top: auto;
  padding-top: 8px;
}

@media (min-width: 641px) {
  /* Tablet+: vuelve al look "tabla" con bordes compartidos y sin gap */
  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--line-100);
    border-left: 1px solid var(--line-100);
  }

  .info-cell {
    padding: 36px 28px;
    border: none;
    border-right: 1px solid var(--line-100);
    border-bottom: 1px solid var(--line-100);
    border-radius: 0;
    gap: 8px;
  }

  .info-cell__label { font-size: 11px; }
  .info-cell__sub { padding-top: 0; }
}

@media (min-width: 1024px) {
  .info-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .info-cell__value { font-size: 32px; letter-spacing: -1px; }
}

/* ============ DOCENTES ============ */

.doctors-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

@media (min-width: 641px) {
  .doctors-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .doctors-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
  }
}

.doctor-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.doctor-card__photo-wrap {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bone);
  color: var(--indigo-500);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.doctor-card__photo-wrap svg {
  width: 52%;
  height: auto;
  aspect-ratio: 1;
}

.doctor-card__photo-wrap picture {
  display: block;
  width: 100%;
  height: 100%;
}

.doctor-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: saturate(.95);
  transform: scale(1.5);
  transform-origin: 50% 10%;
  transition: transform .5s cubic-bezier(.4, 0, .2, 1);
}

.doctor-card:hover .doctor-card__photo {
  transform: scale(1.55);
  transform-origin: 50% 10%;
}

.doctor-card--zoom-soft .doctor-card__photo {
  transform: scale(1.3);
}

.doctor-card--zoom-soft:hover .doctor-card__photo {
  transform: scale(1.35);
}

.doctor-card__body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.doctor-card__role {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  color: var(--indigo-700);
}

.doctor-card__name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.4px;
  line-height: 1.25;
  color: var(--ink-900);
}

.doctor-card__bio {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-500);
  margin-top: 4px;
}

@media (min-width: 641px) {
  .doctor-card__body {
    padding: 18px 20px 22px;
    gap: 6px;
  }

  .doctor-card__role { font-size: 10px; }
  .doctor-card__name { font-size: 16px; letter-spacing: -.5px; line-height: 1.2; }
  .doctor-card__bio { font-size: 13px; line-height: 1.55; }
}

/* ============ PROGRAMA ============ */

.program-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 1024px) {
  .program-layout {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }
}

@media (min-width: 1440px) {
  .program-layout {
    grid-template-columns: 360px minmax(0, 1fr);
  }
}

.program-sidebar {
  background: var(--indigo-900);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 32px;
  position: static;
  width: 100%;
}

@media (min-width: 1024px) {
  .program-sidebar {
    position: sticky;
    top: 96px;
  }
}

.program-sidebar__intro {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, .8);
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.program-sidebar__stats {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.program-sidebar__stats > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.program-sidebar__stats dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
}

.program-sidebar__stats dd {
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -.3px;
  font-variant-numeric: tabular-nums;
  color: #fff;
}

.program-days {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ============ ACERCA DEL CURSO ============ */

.acerca-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 1024px) {
  .acerca-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 80px;
    align-items: start;
  }
}

.acerca-grid__left {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.acerca-grid__title {
  margin-top: 4px;
}

.acerca-grid__sub-eyebrow {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-500);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.acerca-grid__sub-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--ink-300);
}

.acerca-grid__right p {
  font-size: 16px;
  line-height: 1.7;
  font-weight: 300;
  color: var(--ink-700);
}

.acerca-grid__right p + p {
  margin-top: 20px;
}

/* ============ SECTION LEAD (subtítulo bajo title) ============ */

.section-lead {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-500);
}

/* ============ DAY CARD (programa nuevo) ============ */

.day-card {
  background: var(--paper);
  border: 1px solid var(--line-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.day-card__header {
  background: var(--indigo-900);
  color: #fff;
  padding: 28px;
}

.day-card__eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .65);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.day-card__eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: rgba(255, 255, 255, .5);
}

.day-card__title {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  letter-spacing: -1px;
  line-height: 1.1;
  color: #fff;
}

.day-card__sub {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
}

.day-card__table {
  display: flex;
  flex-direction: column;
}

/* ---- Franja de moderadora ---- */

.day-moderator {
  padding: 14px 32px;
  background: var(--indigo-50);
  border-bottom: 1px solid var(--line-100);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--indigo-700);
}

.day-moderator strong {
  color: var(--ink-900);
  font-weight: 500;
}

/* ---- Day row ---- */

.day-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) auto;
  gap: 24px;
  padding: 20px 32px;
  border-bottom: 1px solid var(--line-100);
  align-items: start;
}

.day-row:last-child {
  border-bottom: none;
}

.day-row__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-500);
  letter-spacing: .3px;
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}

.day-row__content {
  min-width: 0;
}

.day-row__title {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-900);
  margin: 0 0 4px;
  line-height: 1.3;
  letter-spacing: -.2px;
}

.day-row__description {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 300;
  color: var(--ink-500);
  margin: 0 0 6px;
  line-height: 1.5;
}

.day-row__description strong {
  color: var(--ink-900);
  font-weight: 500;
}

.day-row__speaker {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--indigo-700);
  margin: 6px 0 0;
}

/* ---- Variant: caso en vivo ---- */

.day-row--live {
  align-items: center;
}

/* ---- Variant: descanso ---- */

.day-row--break {
  background: var(--bone);
  padding: 14px 32px;
  align-items: center;
}

.day-row__break-text {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 300;
  color: var(--ink-500);
  margin: 0;
}

@media (max-width: 640px) {
  .day-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 20px;
  }

  .day-row__time {
    font-size: 11px;
    color: var(--indigo-700);
    padding-top: 0;
  }

  .day-row--live {
    align-items: start;
  }

  .day-row--live .badge-live {
    align-self: flex-start;
    margin-top: 8px;
  }

  .day-row--break {
    padding: 12px 20px;
  }

  .day-moderator {
    padding: 12px 20px;
    font-size: 10px;
  }
}

/* ---- Badge "EN VIVO" ---- */

.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--vital);
  background: rgba(0, 180, 166, .1);
  border: 1px solid var(--vital);
  border-radius: 100px;
  padding: 4px 10px;
  white-space: nowrap;
}

.badge-live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vital);
  animation: badge-pulse 2.4s ease-in-out infinite;
}

/* ---- Footnote del programa ---- */

.program__footnote {
  margin-top: 24px;
  text-align: center;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 13px;
  color: var(--ink-500);
}

/* ============ INSCRIPCIÓN · price card ============ */

.price-card {
  background: var(--paper);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
}

@media (min-width: 1024px) {
  .price-card { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); }
}

.price-card__head {
  background: var(--indigo-900);
  color: #fff;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}

.price-card__amount {
  font-size: clamp(60px, 8vw, 96px);
  font-weight: 600;
  letter-spacing: -4px;
  line-height: 1;
  color: #fff;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.price-card__currency {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
}

.price-card__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
}

.price-card__body {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.price-card__benefits {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin: 0;
  padding: 0;
}

.price-card__benefits li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 18px;
  align-items: start;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-100);
}

.price-card__benefits li:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.price-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--indigo-700);
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}

.price-card__benefits h4 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.3px;
  color: var(--ink-900);
  margin-bottom: 4px;
}

.price-card__benefits p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-500);
}

.price-card__cta {
  margin-top: auto;
  align-self: stretch;
}

/* ============ Cupo banner inferior ============ */

.cupo-banner {
  margin-top: 24px;
  padding: 32px;
  border: 1px dashed var(--line-200);
  border-radius: var(--radius-xl);
  background: var(--paper);
  display: grid;
  gap: 20px;
  align-items: center;
}

@media (min-width: 1024px) {
  .cupo-banner {
    grid-template-columns: 1fr auto;
    padding: 36px 40px;
  }
}

.cupo-banner__title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -.5px;
  color: var(--ink-900);
  margin-top: 12px;
}

.cupo-banner__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-500);
  margin-top: 8px;
  max-width: 540px;
}

/* ============ CONTACTO ============ */

.contact-grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; }
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-100);
}

.contact-item:first-child { padding-top: 0; }
.contact-item:last-child { border-bottom: none; }

.contact-item__icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--indigo-50);
  color: var(--indigo-700);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.contact-item__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 4px;
}

.contact-item__value {
  display: block;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -.3px;
  color: var(--ink-900);
  transition: color var(--t-fast);
}

.contact-item__value:hover { color: var(--indigo-700); }

.contact-item__sub {
  display: block;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-500);
  margin-top: 6px;
}

/* ============ MAPA estilizado ============ */

.map-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 480px;
  isolation: isolate;
}

.map-card__iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  z-index: 0;
}

.map-card__coords {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.2px;
  color: var(--ink-700);
  background: rgba(255, 255, 255, .95);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-md);
  padding: 8px 12px;
}

.map-card__overlay {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 2;
  background: var(--paper);
  border: 1px solid var(--line-200);
  border-radius: 8px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 6px 20px -8px rgba(26, 18, 64, .18);
}

.map-card__head {
  display: flex;
  justify-content: flex-start;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.map-card__title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -.4px;
  color: var(--ink-900);
}

.map-card__sub {
  font-size: 13px;
  color: var(--ink-500);
  margin-bottom: 4px;
}

.map-card__overlay .btn {
  align-self: flex-start;
  margin-top: 4px;
}

@media (max-width: 640px) {
  .map-card { min-height: 400px; }
  .map-card__overlay { padding: 14px 16px; }
  .map-card__title { font-size: 15px; }
}

/* ============ FAB · botón flotante ============ */

.fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-fab);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--indigo-900);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-fab);
  transition: transform var(--t-base), background var(--t-fast);
}

.fab:hover {
  transform: translateY(-3px) scale(1.04);
  background: var(--indigo-800);
}

.fab__tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  background: var(--ink-900);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-fast);
}

.fab:hover .fab__tooltip { opacity: 1; }

@media (min-width: 1024px) {
  .fab { bottom: 32px; right: 32px; }
}