/* ===================================================================
   Biodont Consultorio Odontológico — styles.css
   Paleta: verde hoja, negro tinta, blanco. Estilo clínico + glass.
   =================================================================== */

:root {
  --verde: #6DB33F;
  --verde-osc: #3F7A1E;
  --verde-claro: #A8D66B;
  --verde-glow: rgba(109, 179, 63, 0.45);
  --tinta: #141A12;
  --tinta-soft: #3a4234;
  --blanco: #ffffff;
  --gris: #f4f7f1;
  --radius: 20px;
  --shadow-soft: 0 20px 60px -24px rgba(20, 26, 18, 0.25);
  --shadow-green: 0 24px 60px -22px rgba(63, 122, 30, 0.45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--blanco);
}

::selection { background: var(--verde); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--gris); }
::-webkit-scrollbar-thumb { background: var(--verde); border-radius: 10px; border: 3px solid var(--gris); }

.font-600 { font-weight: 600; }
.font-500 { font-weight: 500; }
.font-300 { font-weight: 300; }

/* ============ Fondos decorativos (orbs) ============ */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}
.orb-1 { width: 480px; height: 480px; background: radial-gradient(circle, var(--verde), transparent 70%); top: -120px; right: -120px; opacity: 0.28; }
.orb-2 { width: 560px; height: 560px; background: radial-gradient(circle, var(--verde-claro), transparent 70%); bottom: 10%; left: -180px; opacity: 0.22; }
.orb-3 { width: 400px; height: 400px; background: radial-gradient(circle, var(--verde), transparent 70%); top: 40%; right: -140px; opacity: 0.18; }

/* ============ Header ============ */
#site-header { background: transparent; }
#site-header.scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 8px 30px -18px rgba(20, 26, 18, 0.35);
  border-bottom: 1px solid rgba(109, 179, 63, 0.14);
}
/* header sobre el hero: texto claro por defecto */
#site-header:not(.scrolled) .nav-link,
#site-header:not(.scrolled) .font-display,
#site-header:not(.scrolled) #menu-toggle { color: #fff; }
#site-header:not(.scrolled) .nav-link { color: rgba(255,255,255,0.9); }
#site-header:not(.scrolled) [class*="tracking-[0.25em]"] { color: var(--verde-claro); }

.nav-link {
  position: relative;
  transition: color 0.25s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--verde);
  border-radius: 2px;
  transition: width 0.3s ease;
}
.nav-link:hover { color: var(--verde); }
.nav-link:hover::after { width: 100%; }

.mobile-link {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  transition: background 0.2s, color 0.2s;
}
.mobile-link:hover { background: var(--gris); color: var(--verde-osc); }

.glass-panel {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-soft);
}

/* ============ Botones ============ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--verde), var(--verde-osc));
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 12px 26px -12px var(--verde-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -12px var(--verde-glow); }

.btn-glow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 38px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--verde), var(--verde-osc));
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
  position: relative;
  transition: transform 0.3s;
  box-shadow: 0 0 0 rgba(109,179,63,0);
  animation: glowPulse 2.6s ease-in-out infinite;
}
.btn-glow:hover { transform: translateY(-3px) scale(1.02); }
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 22px -2px var(--verde-glow), 0 10px 30px -12px var(--verde-glow); }
  50% { box-shadow: 0 0 44px 4px var(--verde-glow), 0 16px 40px -12px var(--verde-glow); }
}

.btn-glow-sm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 100px;
  background: #fff;
  color: var(--verde-osc);
  font-weight: 700;
  transition: transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 12px 28px -14px rgba(0,0,0,0.4);
}
.btn-glow-sm:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -14px rgba(0,0,0,0.5); }

.btn-ghost-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 34px;
  border-radius: 100px;
  color: #fff;
  font-weight: 600;
  border: 1.5px solid rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(6px);
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.16); border-color: #fff; transform: translateY(-2px); }

.btn-wa {
  padding: 14px 26px;
  border-radius: 100px;
  background: rgba(255,255,255,0.14);
  border: 1.5px solid rgba(255,255,255,0.4);
  color: #fff;
  font-weight: 600;
  transition: background 0.25s, transform 0.25s;
}
.btn-wa:hover { background: rgba(255,255,255,0.24); transform: translateY(-2px); }

/* ============ Hero ============ */
.hero-overlay {
  background:
    linear-gradient(180deg, rgba(20,26,18,0.45) 0%, rgba(20,26,18,0.35) 40%, rgba(20,26,18,0.78) 100%),
    radial-gradient(120% 80% at 50% 0%, rgba(63,122,30,0.35), transparent 60%);
}

.badge-glass {
  padding: 8px 18px;
  border-radius: 100px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.28);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.text-gradient-verde {
  background: linear-gradient(120deg, var(--verde-claro), var(--verde) 60%, #d4f0a8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-glass {
  padding: 16px 8px;
  border-radius: 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
}
.stat-num { font-family: "Cormorant Garamond", serif; font-size: 2.2rem; font-weight: 700; color: #fff; line-height: 1; }
.stat-label { font-size: 0.72rem; color: rgba(255,255,255,0.8); margin-top: 4px; letter-spacing: 0.03em; }

/* ============ Tipografía secciones ============ */
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--verde-osc);
}
.eyebrow::before { content: "— "; color: var(--verde); }
.eyebrow-light {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--verde-claro);
}
.section-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.05;
  color: var(--tinta);
  letter-spacing: -0.01em;
}
.section-lead {
  color: var(--tinta-soft);
  font-size: 1.05rem;
  line-height: 1.75;
  font-weight: 300;
}

/* ============ Servicio estrella ============ */
.star-card {
  border-radius: 32px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--verde-osc), #2d5c14 55%, var(--tinta));
  box-shadow: var(--shadow-green);
  position: relative;
}
.star-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 60% at 15% 20%, rgba(168,214,107,0.25), transparent 60%);
  pointer-events: none;
}
.star-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 7px 16px;
  border-radius: 100px;
  background: rgba(168,214,107,0.2);
  border: 1px solid rgba(168,214,107,0.4);
  color: var(--verde-claro);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.star-badge::before { content: "★"; }
.star-icon {
  flex-shrink: 0;
  width: 88px; height: 88px;
  display: grid; place-items: center;
  border-radius: 22px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--verde-claro);
}

/* ============ Cards de servicios ============ */
.service-card {
  padding: 32px 28px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(20,26,18,0.06);
  box-shadow: 0 14px 40px -26px rgba(20,26,18,0.28);
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1), box-shadow 0.35s, border-color 0.35s;
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--verde), var(--verde-claro));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-green);
  border-color: rgba(109,179,63,0.3);
}
.service-card:hover::after { transform: scaleX(1); }

.svc-icon {
  display: grid;
  place-items: center;
  width: 66px; height: 66px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(109,179,63,0.14), rgba(168,214,107,0.18));
  color: var(--verde-osc);
  margin-bottom: 20px;
  transition: transform 0.4s, background 0.4s, color 0.4s;
}
.service-card:hover .svc-icon {
  transform: rotate(-6deg) scale(1.06);
  background: linear-gradient(135deg, var(--verde), var(--verde-osc));
  color: #fff;
}
.svc-title { font-family: "Cormorant Garamond", serif; font-size: 1.7rem; font-weight: 600; color: var(--tinta); margin-bottom: 8px; }
.svc-text { color: var(--tinta-soft); font-size: 0.94rem; line-height: 1.65; font-weight: 300; }

/* ============ Nosotros ============ */
.about-img-wrap {
  aspect-ratio: 4/5;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-green);
  max-width: 440px;
}
.about-img-wrap img { transition: transform 0.8s ease; }
.about-img-wrap:hover img { transform: scale(1.05); }
.about-img-float {
  position: absolute;
  bottom: -30px; right: -10px;
  width: 200px; height: 150px;
  padding: 8px;
  border-radius: 22px;
}
.about-img-float img { height: 100%; }
.about-badge {
  position: absolute;
  top: 24px; left: -22px;
  padding: 16px 22px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  text-align: center;
  line-height: 1;
}

.doctor-card {
  display: flex;
  gap: 18px;
  padding: 22px;
  border-radius: 22px;
  align-items: flex-start;
}
.doctor-avatar {
  flex-shrink: 0;
  width: 58px; height: 58px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--verde), var(--verde-osc));
  color: #fff;
}

.value-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--tinta-soft);
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(109,179,63,0.07);
  border: 1px solid rgba(109,179,63,0.14);
}
.value-dot {
  flex-shrink: 0;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--verde);
  box-shadow: 0 0 0 4px rgba(109,179,63,0.18);
}

/* ============ Testimonios ============ */
.testi-card {
  padding: 30px 28px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(20,26,18,0.06);
  box-shadow: 0 14px 40px -28px rgba(20,26,18,0.3);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s;
}
.testi-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.stars { color: var(--verde); letter-spacing: 3px; font-size: 1.05rem; margin-bottom: 14px; }
.testi-text { font-size: 0.96rem; line-height: 1.7; color: var(--tinta-soft); font-style: italic; flex-grow: 1; }
.testi-author { display: flex; align-items: center; gap: 12px; margin-top: 22px; }
.testi-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--verde), var(--verde-osc));
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
}
.testi-author strong { display: block; color: var(--tinta); font-size: 0.95rem; }
.testi-author span { display: block; color: var(--tinta-soft); font-size: 0.8rem; opacity: 0.8; }

.testi-cta {
  background: linear-gradient(140deg, var(--verde-osc), #2d5c14 60%, var(--tinta));
  color: #fff;
  justify-content: center;
  align-items: flex-start;
  border: none;
}
.testi-cta:hover { transform: translateY(-6px); box-shadow: var(--shadow-green); }

/* ============ Galería ============ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 220px;
  gap: 16px;
}
.gi-big { grid-column: span 2; grid-row: span 2; }
.gallery-item {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  border: none;
  padding: 0;
  background: var(--gris);
  box-shadow: 0 14px 40px -28px rgba(20,26,18,0.4);
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(20,26,18,0.6), transparent 55%);
  opacity: 0;
  transition: opacity 0.35s;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item:hover::after { opacity: 1; }
.gallery-cap {
  position: absolute;
  left: 16px; bottom: 14px;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 2;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s, transform 0.35s;
}
.gallery-item:hover .gallery-cap { opacity: 1; transform: translateY(0); }

@media (max-width: 640px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .gi-big { grid-column: span 2; grid-row: span 2; }
}

/* ============ Lightbox ============ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(10,14,8,0.9);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.3s ease;
}
.lightbox.hidden { display: none; }
.lb-figure { max-width: 90vw; max-height: 85vh; margin: 0; text-align: center; }
#lb-img {
  max-width: 100%;
  max-height: 78vh;
  border-radius: 14px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.7);
  object-fit: contain;
}
.lb-cap { color: rgba(255,255,255,0.85); margin-top: 14px; font-weight: 500; letter-spacing: 0.02em; }
.lb-close {
  position: absolute;
  top: 22px; right: 28px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s;
}
.lb-close:hover { background: var(--verde); transform: rotate(90deg); }
.lb-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px; height: 54px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.25s;
}
.lb-arrow:hover { background: var(--verde); }
.lb-prev { left: 20px; }
.lb-next { right: 20px; }
@media (max-width: 640px) {
  .lb-prev { left: 10px; } .lb-next { right: 10px; }
  .lb-arrow { width: 44px; height: 44px; font-size: 1.6rem; }
}

/* ============ FAQ ============ */
.faq-item {
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(20,26,18,0.08);
  box-shadow: 0 10px 30px -24px rgba(20,26,18,0.3);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item[open] { border-color: rgba(109,179,63,0.35); box-shadow: var(--shadow-soft); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--tinta);
  list-style: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-icon {
  flex-shrink: 0;
  position: relative;
  width: 22px; height: 22px;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--verde);
  border-radius: 2px;
  transition: transform 0.3s;
}
.faq-icon::before { top: 10px; left: 0; width: 22px; height: 2px; }
.faq-icon::after { top: 0; left: 10px; width: 2px; height: 22px; }
.faq-item[open] .faq-icon::after { transform: scaleY(0); }
.faq-a {
  padding: 0 24px 24px;
  color: var(--tinta-soft);
  line-height: 1.7;
  font-weight: 300;
}

/* ============ CTA / Contacto ============ */
.cta-wrap {
  border-radius: 36px;
  overflow: hidden;
  box-shadow: var(--shadow-green);
  background:
    linear-gradient(135deg, var(--verde-osc) 0%, #2d5c14 45%, var(--tinta) 100%);
  position: relative;
}
.cta-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(70% 60% at 10% 10%, rgba(168,214,107,0.22), transparent 55%);
  pointer-events: none;
}
.contact-line { display: flex; gap: 16px; align-items: flex-start; }
.contact-ico {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--verde-claro);
}
.contact-label { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--verde-claro); font-weight: 700; }
.contact-val { display: block; color: #fff; font-weight: 500; margin-top: 2px; }
a.contact-val:hover { color: var(--verde-claro); }

/* Formulario */
.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--tinta);
  margin-bottom: 7px;
  letter-spacing: 0.01em;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 12px;
  border: 1.5px solid rgba(20,26,18,0.12);
  background: var(--gris);
  color: var(--tinta);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--verde);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(109,179,63,0.14);
}
.field textarea { resize: vertical; }

/* ============ Footer ============ */
.footer-title {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-link { color: rgba(255,255,255,0.6); transition: color 0.2s, padding-left 0.2s; }
.footer-link:hover { color: var(--verde-claro); padding-left: 4px; }
.social-btn {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  transition: background 0.25s, transform 0.25s, color 0.25s;
}
.social-btn:hover { background: var(--verde); transform: translateY(-3px); color: #fff; }

/* ============ Reveal on scroll ============ */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ===================================================================
   Widget "Ayuda Activa"
   =================================================================== */
#chat-widget {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.chat-btn {
  width: 64px; height: 64px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: grid; place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--verde), var(--verde-osc));
  box-shadow: 0 14px 34px -10px var(--verde-glow);
  position: relative;
  z-index: 2;
  transition: transform 0.3s;
}
.chat-btn:hover { transform: scale(1.06); }
/* pulso compuesto: solo transform + opacity */
.chat-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--verde);
  z-index: -1;
  animation: chatPulse 2.2s ease-out infinite;
}
#chat-widget.open .chat-btn::before { animation: none; opacity: 0; }
@keyframes chatPulse {
  0% { transform: scale(1); opacity: 0.55; }
  70% { transform: scale(1.8); opacity: 0; }
  100% { transform: scale(1.8); opacity: 0; }
}

.chat-tooltip {
  margin-bottom: 12px;
  background: #fff;
  color: var(--tinta);
  font-weight: 600;
  font-size: 0.86rem;
  padding: 10px 16px;
  border-radius: 14px 14px 4px 14px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(109,179,63,0.2);
  transform-origin: bottom right;
  animation: floatBubble 3s ease-in-out infinite;
  transition: opacity 0.3s, transform 0.3s;
}
.chat-tooltip::after {
  content: "";
  position: absolute;
  right: 26px; bottom: -6px;
  width: 12px; height: 12px;
  background: #fff;
  border-right: 1px solid rgba(109,179,63,0.2);
  border-bottom: 1px solid rgba(109,179,63,0.2);
  transform: rotate(45deg);
}
#chat-widget.open .chat-tooltip { opacity: 0; transform: scale(0.8); pointer-events: none; }
@keyframes floatBubble {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.chat-panel {
  position: absolute;
  bottom: 80px; right: 0;
  width: min(376px, calc(100vw - 32px));
  height: min(540px, calc(100vh - 130px));
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 30px 70px -18px rgba(20,26,18,0.5);
  border: 1px solid rgba(109,179,63,0.16);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-origin: bottom right;
  animation: chatOpen 0.32s cubic-bezier(.2,.9,.3,1.2);
}
.chat-panel.hidden { display: none; }
@keyframes chatOpen {
  from { opacity: 0; transform: translateY(16px) scale(0.94); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  background: linear-gradient(135deg, var(--verde-osc), #2d5c14);
  color: #fff;
}
.chat-header-info { display: flex; align-items: center; gap: 12px; }
.chat-header-info strong { font-family: "Cormorant Garamond", serif; font-size: 1.3rem; font-weight: 600; line-height: 1; display: block; }
.chat-sub { font-size: 0.72rem; color: rgba(255,255,255,0.75); }
.chat-status-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #7dff9a;
  box-shadow: 0 0 0 3px rgba(125,255,154,0.25);
  flex-shrink: 0;
}
.chat-header-close {
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  width: 30px; height: 30px;
  border-radius: 50%;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s;
}
.chat-header-close:hover { background: rgba(255,255,255,0.3); }

.chat-messages {
  flex-grow: 1;
  overflow-y: auto;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--gris);
}
.chat-msg {
  max-width: 82%;
  padding: 11px 15px;
  border-radius: 16px;
  font-size: 0.9rem;
  line-height: 1.5;
  animation: msgIn 0.3s ease;
  word-wrap: break-word;
}
@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.chat-msg.bot {
  align-self: flex-start;
  background: #fff;
  color: var(--tinta);
  border-bottom-left-radius: 5px;
  box-shadow: 0 6px 18px -12px rgba(20,26,18,0.4);
}
.chat-msg.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--verde), var(--verde-osc));
  color: #fff;
  border-bottom-right-radius: 5px;
}
.chat-msg a { color: var(--verde-osc); text-decoration: underline; font-weight: 600; word-break: break-all; }
.chat-msg.user a { color: #fff; }

.chat-typing { display: flex; gap: 5px; align-items: center; align-self: flex-start; background: #fff; padding: 13px 16px; border-radius: 16px; border-bottom-left-radius: 5px; box-shadow: 0 6px 18px -12px rgba(20,26,18,0.4); }
.chat-typing span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--verde);
  animation: typing 1.2s infinite ease-in-out;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-6px); opacity: 1; }
}

.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px;
  background: #fff;
  border-top: 1px solid rgba(20,26,18,0.08);
}
.chat-input-row input {
  flex-grow: 1;
  border: 1.5px solid rgba(20,26,18,0.12);
  border-radius: 100px;
  padding: 11px 18px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--tinta);
  transition: border-color 0.2s;
}
.chat-input-row input:focus { outline: none; border-color: var(--verde); }
.chat-send {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: grid; place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--verde), var(--verde-osc));
  transition: transform 0.2s;
}
.chat-send:hover { transform: scale(1.08) rotate(8deg); }
.chat-send:disabled { opacity: 0.5; cursor: default; transform: none; }

/* ============ Responsive ajustes ============ */
@media (max-width: 1023px) {
  .about-img-wrap { max-width: none; }
  .about-badge { left: 12px; }
  .about-img-float { right: 12px; width: 160px; height: 120px; }
}
@media (max-width: 480px) {
  #chat-widget { bottom: 16px; right: 16px; }
  .about-img-float { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}