/* ============================================
   TRIBU-IA — SISTEMA DE DISEÑO
   Paleta: Navy / Amber / Teal
   Tipografía: Poppins + Inter
   ============================================ */

/* TOKENS */
:root {
  --navy-deep:   #0B1437;
  --navy-mid:    #1A2555;
  --navy-light:  #243070;
  --amber:       #F5A623;
  --amber-light: #FFD07A;
  --teal:        #2DD4BF;
  --white:       #FFFFFF;
  --off-white:   #F8F9FC;
  --text-muted:  #8A94B2;
  --border:      rgba(255,255,255,0.08);

  --font-display: 'Poppins', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-card: 0 4px 24px rgba(11,20,55,0.12);
  --shadow-card-hover: 0 8px 40px rgba(11,20,55,0.20);

  --max-w: 1140px;
  --gutter: 24px;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--navy-deep);
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100vw;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* CONTAINER */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--amber);
  color: var(--navy-deep);
  border-color: var(--amber);
}
.btn--primary:hover {
  background: var(--amber-light);
  border-color: var(--amber-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245,166,35,0.35);
}
.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}
.btn--ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
}
.btn--nav {
  background: var(--amber);
  color: var(--navy-deep);
  padding: 10px 22px;
  font-size: 0.875rem;
}
.btn--nav:hover {
  background: var(--amber-light);
}
.btn--full { width: 100%; justify-content: center; }

/* ============================================
   TYPOGRAPHY HELPERS
   ============================================ */
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}
.section-tag--amber { color: var(--amber); }
.section-tag--light { color: var(--teal); }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy-deep);
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.nav.scrolled {
  background: var(--navy-deep);
  box-shadow: 0 2px 24px rgba(0,0,0,0.25);
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}
.logo-mark {
  color: var(--amber);
  font-size: 1.4rem;
  line-height: 1;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--white);
  letter-spacing: -0.02em;
}
.logo-accent { color: var(--amber); }

.logo-tribu {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--white);
  letter-spacing: 0.04em;
}
.logo-dash {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--amber);
  margin: 0 1px;
}
.logo-ia {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--white);
  letter-spacing: 0.04em;
}


.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-family: var(--font-display);
  font-weight: 500;
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--amber); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav__mobile {
  display: none;
  flex-direction: column;
  background: var(--navy-deep);
  padding: 20px var(--gutter);
  gap: 16px;
}
.nav__mobile.open { display: flex; }
.mobile-link {
  color: rgba(255,255,255,0.85);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-link--cta {
  color: var(--amber);
  border-bottom: none;
  font-weight: 700;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--navy-deep);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 120px var(--gutter) 80px;
}
.hero__eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.2s forwards;
}
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.4s forwards;
}
.headline-accent {
  color: var(--amber);
  position: relative;
}
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.65);
  max-width: 520px;
  line-height: 1.65;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.6s forwards;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.8s forwards;
}
.hero__scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.35);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--font-display);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  animation: scrollPulse 2s ease infinite;
}

/* ============================================
   PROBLEMA / SOLUCIÓN
   ============================================ */
.problema {
  padding: 100px 0;
  background: var(--off-white);
}
.problema__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: start;
}
.problema__lado h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 28px;
  color: var(--navy-deep);
}
.pain-list, .solution-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pain-list li, .solution-list li {
  padding-left: 24px;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #3A4570;
}
.pain-list li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: #C0392B;
  font-weight: 700;
  font-size: 1.1rem;
}
.solution-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}
.problema__divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 60px;
  gap: 8px;
}
.divider-line {
  width: 1px;
  height: 60px;
  background: var(--navy-light);
  opacity: 0.2;
}
.divider-icon {
  font-size: 1.4rem;
  color: var(--amber);
  font-weight: 700;
}

/* ============================================
   SERVICIOS
   ============================================ */
.servicios {
  padding: 100px 0;
  background: var(--navy-deep);
}
.servicios .section-header h2 { color: var(--white); }

.servicios__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.servicio-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.servicio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  border-color: rgba(245,166,35,0.25);
}
.servicio-card--featured {
  border-color: var(--amber);
  background: var(--navy-light);
}
.servicio-card__badge {
  position: absolute;
  top: -12px;
  left: 28px;
  background: var(--amber);
  color: var(--navy-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
}
.servicio-card__icon {
  font-size: 1.8rem;
  color: var(--amber);
  margin-bottom: 20px;
}
.servicio-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 12px;
}
.servicio-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
  margin-bottom: 24px;
}
.card-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--amber);
  transition: gap 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link:hover { gap: 10px; }

/* ============================================
   CALENDARIO TRIBUTARIO (HERRAMIENTA)
   ============================================ */
.calendario {
  padding: 90px 0;
  background: var(--off-white);
}
.calendario__wrap {
  max-width: 680px;
  margin: 0 auto;
}
.calendario__header {
  text-align: center;
  margin-bottom: 40px;
}
.calendario__header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 16px;
}
.calendario__sub {
  font-size: 0.95rem;
  color: #5A6485;
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto;
}
.calendario__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(13,27,42,0.06);
  overflow: hidden;
  box-sizing: border-box;
  width: 100%;
}
.calendario__label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-deep);
  margin-bottom: 12px;
}
.calendario__input-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.calendario__input {
  flex: 1;
  min-width: 120px;
  border: 1.5px solid #DDE3F0;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--navy-deep);
  background: var(--off-white);
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.calendario__input:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
  background: var(--white);
}
.calendario__resultado {
  margin-top: 24px;
  min-height: 0;
  transition: all 0.3s ease;
}
.calendario__resultado:empty { margin-top: 0; }
.calendario__resultado-box {
  background: var(--navy-deep);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  animation: fadeUp 0.4s ease;
}
.calendario__resultado-box.error {
  background: #FDF0EE;
  border: 1.5px solid #E8A599;
}
.calendario__resultado-fecha {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--amber);
  margin-bottom: 6px;
}
.calendario__resultado-box.error .calendario__resultado-fecha {
  color: #C0392B;
  font-size: 1rem;
  font-weight: 600;
}
.calendario__resultado-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
}
.calendario__disclaimer {
  margin-top: 24px;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
  text-align: center;
}
.calendario__disclaimer a {
  color: var(--teal);
  text-decoration: underline;
}


.nosotros {
  padding: 100px 0;
  background: var(--off-white);
}
.nosotros__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: center;
}
.nosotros__foto {
  position: relative;
}
.foto-placeholder {
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy-deep) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(245,166,35,0.2);
}
.carolina-foto {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.foto-placeholder__inner {
  text-align: center;
  color: var(--white);
}
.foto-initial {
  display: block;
  width: 80px;
  height: 80px;
  background: var(--amber);
  color: var(--navy-deep);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  line-height: 80px;
  margin: 0 auto 16px;
}
.foto-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  line-height: 1.5;
}
.foto-label small {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.foto-deco {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 3px solid var(--amber);
  border-radius: var(--radius-md);
  z-index: -1;
  opacity: 0.4;
}

.carolina-avatar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy-deep) 100%);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  border: 1px solid rgba(245,166,35,0.2);
}
.carolina-avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--amber);
  flex-shrink: 0;
}
.carolina-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 10%;
  display: block;
}
.carolina-avatar-info {
  text-align: center;
}
.carolina-nombre {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 6px;
}
.carolina-cargo {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.nosotros__texto h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy-deep);
  margin-bottom: 24px;
}
.nosotros__lead {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--navy-deep);
  margin-bottom: 16px;
  line-height: 1.65;
}
.nosotros__texto p {
  font-size: 0.95rem;
  color: #3A4570;
  line-height: 1.7;
  margin-bottom: 28px;
}
.nosotros__quote {
  border-left: 3px solid var(--amber);
  padding-left: 20px;
  margin-bottom: 40px;
  font-style: italic;
  color: var(--navy-deep);
  font-size: 0.95rem;
  line-height: 1.7;
}
.nosotros__quote cite {
  display: block;
  margin-top: 8px;
  font-style: normal;
  font-weight: 600;
  color: var(--amber);
  font-size: 0.85rem;
}
.nosotros__stats {
  display: flex;
  gap: 40px;
}
.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-deep);
  line-height: 1;
}
.stat__label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

/* ============================================
   TESTIMONIOS
   ============================================ */
.proof {
  padding: 80px 0;
  background: var(--navy-deep);
}
.proof__tag { display: block; text-align: center; margin-bottom: 48px; }
.proof__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.testimony {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
}
.testimony p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 16px;
}
.testimony cite {
  font-size: 0.8rem;
  color: var(--teal);
  font-style: normal;
  font-weight: 600;
}

/* ============================================
   CONTACTO
   ============================================ */
.contacto {
  padding: 100px 0;
  background: var(--navy-deep);
}
.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
}
.contacto__info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 20px;
}
.contacto__info p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 40px;
}
.contacto__datos {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.dato {
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
}
.dato__icon { font-size: 1.1rem; }

/* FORM */
.contacto__form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-card);
}
.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form__group label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy-deep);
  letter-spacing: 0.03em;
}
.form__group input,
.form__group textarea {
  border: 1.5px solid #DDE3F0;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--navy-deep);
  background: var(--off-white);
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.form__group input:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
  background: var(--white);
}
.form__group textarea { min-height: 80px; }
.form__disclaimer {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: -8px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #060C22;
  padding: 56px 0 32px;
}
.footer__grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.footer__brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 10px;
  font-style: italic;
}
.footer__links, .footer__social {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a, .footer__social a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer__links a:hover, .footer__social a:hover { color: var(--amber); }
.footer__bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 0.8; transform: scaleY(1.1); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .problema__grid {
    grid-template-columns: 1fr;
  }
  .problema__divider {
    flex-direction: row;
    padding-top: 0;
  }
  .divider-line { width: 60px; height: 1px; }
  .divider-icon { transform: rotate(90deg); }

  .nosotros__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .foto-placeholder { aspect-ratio: 1; max-width: 300px; }

  .contacto__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .contacto__form-wrap { padding: 36px 24px; }
}

@media (max-width: 600px) {
  .hero__actions { flex-direction: column; }
  .btn { justify-content: center; }
  .nosotros__stats { gap: 24px; }
  .footer__grid { flex-direction: column; }
  .calendario__input-row { flex-direction: column; }
  .calendario__input { text-align: left; font-size: 1.1rem; }
  .calendario__card { padding: 24px 20px; }
  .calendario { padding: 60px 0; }
  .whatsapp-float { bottom: 20px; right: 16px; z-index: 9999; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   WHATSAPP FLOTANTE
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  color: white;
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.55);
}