/* Ching Tao Kenpo Karate — identidad visual única */
:root {
  --bg: #070709;
  --bg-elevated: #101015;
  --bg-panel: #0d0d12;
  --gold: #d4af37;
  --gold-soft: #f0d78c;
  --gold-dim: rgba(212, 175, 55, 0.18);
  --red: #9b1b1b;
  --red-hot: #c62828;
  --text: #f3efe6;
  --text-muted: #b7b0a3;
  --border: rgba(212, 175, 55, 0.28);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --font-display: "Cinzel", "Times New Roman", serif;
  --font-body: "Inter", system-ui, sans-serif;
  --header-h: 4.5rem;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(155, 27, 27, 0.22), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 20%, rgba(212, 175, 55, 0.08), transparent 50%),
    var(--bg);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--gold-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 200;
  background: var(--gold);
  color: #111;
  padding: 0.6rem 1rem;
  font-weight: 700;
  border-radius: 8px;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(7, 7, 9, 0.82);
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.header-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--border), 0 0 24px rgba(212, 175, 55, 0.25);
}

.brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.06em;
  line-height: 1.1;
}

.brand small {
  display: block;
  color: var(--text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-principal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
}

.nav-principal a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-principal a:hover,
.nav-principal a.is-active {
  color: var(--gold-soft);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  padding: 0;
  cursor: pointer;
  place-items: center;
  gap: 5px;
  flex-direction: column;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--gold);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(4rem, 9vw, 7rem);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  inset: 10% 20% auto;
  height: 40%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.16), transparent 70%);
  pointer-events: none;
  filter: blur(20px);
}

.hero-grid {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  position: relative;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1,
.section-head h2,
.master-copy h2,
.closing h2 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.03em;
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  background: linear-gradient(180deg, #fff 20%, var(--gold-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  color: var(--gold-soft);
  margin: 0 0 1.25rem;
}

.hero-text {
  color: var(--text-muted);
  max-width: 38rem;
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background 0.2s, color 0.2s, border-color 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, #f0d78c, var(--gold) 45%, #a8841f);
  color: #1a1408;
  border: none;
}

.btn-gold:hover {
  color: #000;
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--gold-soft);
  background: rgba(255, 255, 255, 0.02);
}

.hero-motto {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  font-weight: 600;
}

.hero-emblem {
  display: grid;
  place-items: center;
}

.seal-ring {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 0.85rem;
  background:
    conic-gradient(from 180deg, transparent, rgba(212, 175, 55, 0.55), transparent 40%, rgba(155, 27, 27, 0.4), transparent 70%, rgba(212, 175, 55, 0.45));
  box-shadow: var(--shadow), 0 0 80px rgba(212, 175, 55, 0.15);
  animation: seal-spin 28s linear infinite;
}

.seal-ring::before {
  content: "";
  position: absolute;
  inset: 0.55rem;
  border-radius: 50%;
  background: var(--bg);
  z-index: 0;
}

.seal-ring img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
  animation: seal-spin-reverse 28s linear infinite;
}

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

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

/* Sections */
.section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.section-dark {
  background: linear-gradient(180deg, transparent, rgba(16, 16, 21, 0.7) 20%, transparent);
}

.section-panel {
  background:
    linear-gradient(180deg, rgba(155, 27, 27, 0.08), transparent 30%),
    var(--bg-panel);
  border-block: 1px solid rgba(212, 175, 55, 0.12);
}

.section-head {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  max-width: 46rem;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
}

.section-lead {
  color: var(--text-muted);
  margin: 0.5rem 0 0;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-bottom: 2.5rem;
}

.split.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.accent-line {
  border-left: 3px solid var(--gold);
  padding-left: 1rem;
  color: var(--gold-soft);
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.5;
}

.frame-gold {
  margin: 0;
  padding: 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    linear-gradient(145deg, rgba(212, 175, 55, 0.12), transparent 40%),
    var(--bg-elevated);
  box-shadow: var(--shadow);
}

.frame-gold img {
  width: 100%;
  border-radius: calc(var(--radius) - 6px);
  object-fit: contain;
  background: #000;
}

.frame-logo img {
  padding: 1rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.value-card {
  padding: 1.25rem 1.2rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.25s, transform 0.25s var(--ease);
}

.value-card:hover {
  border-color: var(--border);
  transform: translateY(-3px);
}

.value-card h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--gold-soft);
}

.value-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.quote-banner {
  margin: 0;
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(155, 27, 27, 0.2), rgba(212, 175, 55, 0.08));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.quote-banner p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  line-height: 1.55;
  color: var(--text);
}

.quote-banner cite {
  display: block;
  margin-top: 0.85rem;
  font-style: normal;
  color: var(--gold);
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
}

.pillars {
  margin: 1.25rem 0;
  font-family: var(--font-display);
  color: var(--gold);
  letter-spacing: 0.12em;
  font-weight: 600;
  font-size: 0.95rem;
}

.pillars-sm {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}

.subhead {
  margin: 1.75rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--gold-soft);
}

.org-strip {
  margin: 2.5rem 0;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(212, 175, 55, 0.2);
  background: rgba(0, 0, 0, 0.35);
}

.org-strip h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--gold-soft);
}

.org-pillars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}

.org-pillars li {
  padding: 0.9rem;
  border-radius: 12px;
  background: var(--gold-dim);
  border: 1px solid rgba(212, 175, 55, 0.15);
  text-align: center;
}

.org-pillars strong {
  display: block;
  font-family: var(--font-display);
  color: var(--gold);
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
}

.org-pillars span {
  display: block;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.infographic {
  margin: 2rem 0 0;
  padding: 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #050506;
  box-shadow: var(--shadow);
}

.infographic img {
  width: 100%;
  border-radius: 12px;
}

.infographic figcaption {
  padding: 0.85rem 0.5rem 0.35rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

/* Formación */
.formation-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.formation-card {
  grid-column: span 2;
  padding: 1.5rem 1.25rem;
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(212, 175, 55, 0.1), transparent 45%),
    var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.06);
  min-height: 100%;
}

.formation-wide {
  grid-column: span 2;
}

.formation-icon {
  width: 48px;
  height: 48px;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

.formation-icon svg {
  width: 100%;
  height: 100%;
}

.formation-card h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--gold-soft);
}

.formation-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Camino */
.path-block {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at top right, rgba(155, 27, 27, 0.25), transparent 45%),
    var(--bg-elevated);
  margin-bottom: 2rem;
  text-align: center;
}

.path-lines p {
  margin: 0.35rem 0;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  font-family: var(--font-display);
}

.path-emphasis {
  margin: 1.75rem auto 0.5rem;
  max-width: 40rem;
  color: var(--text-muted);
}

/* Galería */
.gallery {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1rem;
}

.gallery-item {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.2);
  background: #000;
  box-shadow: var(--shadow);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 4;
  transition: transform 0.5s var(--ease);
}

.gallery-wide {
  grid-column: 1;
}

.gallery-wide img {
  aspect-ratio: 4 / 5;
}

.gallery-item:hover img {
  transform: scale(1.03);
}

.gallery-item figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  background: rgba(0, 0, 0, 0.75);
}

/* Maestro */
.section-master {
  background:
    linear-gradient(120deg, rgba(155, 27, 27, 0.18), transparent 40%),
    linear-gradient(180deg, #0a0a0e, #121218);
  border-block: 1px solid rgba(212, 175, 55, 0.15);
  padding: clamp(4rem, 9vw, 7rem) 0;
}

.master-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
}

.master-portrait {
  margin: 0;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 0 0 8px rgba(212, 175, 55, 0.06), var(--shadow);
}

.master-portrait img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center top;
}

.master-copy h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
}

.master-roles {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.master-roles li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.4rem;
  color: var(--gold-soft);
  font-weight: 600;
}

.master-roles li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.6);
}

/* Cierre */
.closing {
  padding: clamp(4rem, 10vw, 7rem) 0;
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(212, 175, 55, 0.12), transparent 55%),
    var(--bg);
}

.closing-logo {
  margin: 0 auto 1.25rem;
  width: 140px;
  height: 140px;
  filter: drop-shadow(0 12px 30px rgba(212, 175, 55, 0.25));
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.closing-tag {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.45rem);
  color: var(--gold-soft);
  margin: 0.5rem 0 1rem;
}

.closing blockquote {
  margin: 2rem auto 0;
  max-width: 36rem;
  padding: 0;
  border: 0;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 1.05rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  padding: 2.5rem 0 2rem;
  background: #050506;
}

.footer-inner {
  text-align: center;
}

.footer-brand {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.footer-brand img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
}

.footer-brand strong {
  display: block;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
}

.footer-brand span {
  display: block;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.footer-copy {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-credit {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--text-muted);
}

.footer-credit a {
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.25s;
}

.footer-credit a:hover {
  color: var(--gold);
}

/* Reveal */
.reveal {
  opacity: 1;
  transform: none;
}

.js-ready .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.js-ready .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .seal-ring,
  .seal-ring img {
    animation: none !important;
  }
  .js-ready .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .gallery-item:hover img,
  .btn:hover,
  .value-card:hover {
    transform: none;
  }
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .split,
  .split.reverse,
  .master-grid {
    grid-template-columns: 1fr;
  }

  .hero-emblem {
    order: -1;
  }

  .seal-ring {
    width: min(78vw, 340px);
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .org-pillars {
    grid-template-columns: repeat(2, 1fr);
  }

  .org-pillars li:last-child {
    grid-column: 1 / -1;
  }

  .formation-grid {
    grid-template-columns: 1fr 1fr;
  }

  .formation-card,
  .formation-wide {
    grid-column: span 1;
  }

  .gallery {
    grid-template-columns: 1fr;
  }

  .gallery-wide,
  .gallery-wide img,
  .gallery-item img {
    aspect-ratio: 16 / 11;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: grid;
  }

  .nav-principal {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 0.75rem 1rem 1.25rem;
    background: rgba(7, 7, 9, 0.96);
    border-bottom: 1px solid var(--border);
  }

  .nav-principal.is-open {
    display: flex;
  }

  .nav-principal a {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .values-grid,
  .formation-grid,
  .org-pillars {
    grid-template-columns: 1fr;
  }

  .org-pillars li:last-child {
    grid-column: auto;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 1rem;
  }

  .brand span small {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

/* --- Design polish --- */
.site-header {
  padding-top: env(safe-area-inset-top, 0px);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  background: linear-gradient(180deg, transparent, rgba(7, 7, 9, 0.95));
  pointer-events: none;
}

.formation-card,
.value-card,
.org-pillars li {
  position: relative;
  overflow: hidden;
}

.formation-card::before,
.value-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.55;
}

.closing-actions {
  justify-content: center;
  margin-top: 1.75rem;
}

.master-portrait {
  position: relative;
}

.master-portrait::after {
  content: "";
  position: absolute;
  inset: auto 12% -8px;
  height: 28px;
  background: radial-gradient(ellipse, rgba(212, 175, 55, 0.35), transparent 70%);
  filter: blur(6px);
  pointer-events: none;
}

.infographic img,
.gallery-item img,
.frame-gold img,
.master-portrait img {
  background: #000;
}

/* --- Regla 08: responsive móvil seguro --- */
:root {
  --header-offset: calc(var(--header-h) + env(safe-area-inset-top, 0px));
}

html {
  scroll-padding-top: calc(var(--header-offset) + 0.75rem);
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
}

.container,
.header-inner,
.hero-grid {
  min-width: 0;
  box-sizing: border-box;
}

@media (max-width: 991px) {
  .hero {
    min-height: auto;
    height: auto;
    overflow-x: clip;
    overflow-y: visible;
    padding-top: clamp(2rem, 6vw, 3.5rem);
  }

  .hero-grid,
  .hero-copy,
  .hero-emblem,
  .seal-ring {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .hero-actions {
    flex-wrap: wrap;
    width: 100%;
  }

  .btn {
    min-height: 48px;
  }

  .path-lines p,
  .quote-banner p {
    overflow-wrap: anywhere;
  }
}

@media (max-width: 760px) {
  .nav-principal.is-open {
    max-height: min(70vh, 420px);
    overflow-y: auto;
  }
}

/* --- Regla 07: WhatsApp flotante --- */
.whatsapp-float {
  position: fixed;
  right: max(22px, env(safe-area-inset-right, 0px));
  bottom: max(22px, calc(22px + env(safe-area-inset-bottom, 0px)));
  z-index: 1500;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  backface-visibility: hidden;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: translateZ(0) translateY(-3px) scale(1.04);
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.55);
  color: #ffffff;
}

.whatsapp-float:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 3px;
}

.whatsapp-float-icon {
  width: 30px;
  height: 30px;
}

@media (max-width: 768px) {
  .whatsapp-float {
    right: max(16px, env(safe-area-inset-right, 0px));
    bottom: max(24px, calc(20px + env(safe-area-inset-bottom, 0px)));
    width: 54px;
    height: 54px;
  }

  .whatsapp-float-icon {
    width: 28px;
    height: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float,
  .whatsapp-float:hover {
    transition: none;
    transform: none;
  }
}