/* ============================================
   SALUDSA – VENDEDOR DIGITAL
   CSS Principal – Paleta oficial azul/rojo
   ============================================ */

/* --- VARIABLES MARCA SALUDSA --- */
:root {
  --blue-dark:   #00338D;   /* Azul 1 oficial */
  --blue-mid:    #0073CF;   /* Azul 2 oficial */
  --blue-light:  #E8F1FB;   /* Azul claro para fondos */
  --blue-muted:  #B3CFF2;
  --red:         #C60C30;   /* Rojo oficial */
  --red-dark:    #9A0A25;
  --red-light:   #FDEEF1;
  --white:       #FFFFFF;
  --bg:          #F4F7FB;
  --bg-dark:     #001A4D;
  --text-dark:   #001A4D;
  --text-mid:    #2A4A7F;
  --text-light:  #5B7AB8;
  --card-shadow: 0 4px 24px rgba(0,51,141,0.10);
  --card-shadow-hover: 0 12px 40px rgba(0,51,141,0.20);
  --border:      rgba(0,115,207,0.15);
  --radius:      16px;
  --radius-sm:   10px;
  --transition:  0.3s cubic-bezier(0.4,0,0.2,1);
  --font:        'Inter', system-ui, sans-serif;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); background: var(--bg); color: var(--text-dark); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- UTILITY --- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.gradient-text {
  background: linear-gradient(135deg, var(--blue-mid), #00A0D2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.red-text { color: var(--red); }

/* --- ANIMATIONS --- */
@keyframes fadeInUp { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeInLeft { from { opacity:0; transform:translateX(-40px); } to { opacity:1; transform:translateX(0); } }
@keyframes fadeInRight { from { opacity:0; transform:translateX(40px); } to { opacity:1; transform:translateX(0); } }
@keyframes pulse { 0%,100% { transform:scale(1); opacity:1; } 50% { transform:scale(1.15); opacity:0.7; } }
@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-12px); } }
@keyframes pulsering { 0% { transform:scale(1); opacity:0.8; } 100% { transform:scale(2); opacity:0; } }
@keyframes slideDown { from { opacity:0; transform:translateY(-10px); } to { opacity:1; transform:translateY(0); } }

.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in-left.visible { opacity: 1; transform: translateX(0); }
.fade-in-right { opacity: 0; transform: translateX(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in-right.visible { opacity: 1; transform: translateX(0); }

/* --- BUTTONS --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: 50px; font-family: var(--font); font-weight: 600;
  cursor: pointer; transition: var(--transition); border: 2px solid transparent;
  text-decoration: none; white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--blue-mid), var(--blue-dark));
  color: var(--white); box-shadow: 0 4px 20px rgba(0,51,141,0.35);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--blue-dark), #001F6E);
  box-shadow: 0 8px 30px rgba(0,51,141,0.45);
  transform: translateY(-2px);
}
.btn--red {
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: var(--white); box-shadow: 0 4px 20px rgba(198,12,48,0.35);
}
.btn--red:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(198,12,48,0.45);
}
.btn--outline {
  background: transparent; color: var(--blue-mid);
  border-color: var(--blue-mid);
}
.btn--outline:hover { background: var(--blue-light); transform: translateY(-2px); }
.btn--lg { padding: 16px 32px; font-size: 1rem; }
.btn--sm { padding: 10px 20px; font-size: 0.875rem; }
.btn--full { width: 100%; justify-content: center; }

/* --- HEADER --- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.94); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 4px 24px rgba(0,51,141,0.10); }
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; gap: 24px;
}
.logo-box { display: flex; align-items: center; gap: 10px; }
.logo-text { font-size: 1.4rem; font-weight: 800; color: var(--blue-dark); letter-spacing: -0.5px; }
.logo-accent { color: var(--red); }
.header__nav { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 0.9rem; font-weight: 500; color: var(--text-mid);
  transition: color var(--transition); position: relative; padding-bottom: 4px;
}
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--blue-mid);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--blue-dark); }
.nav-link:hover::after { width: 100%; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 26px; height: 2px; background: var(--blue-dark); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- HERO --- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: 70px; position: relative; overflow: hidden;
  background: linear-gradient(160deg, #EAF0FB 0%, #F4F7FB 50%, #E8F1FB 100%);
}
.hero__bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape {
  position: absolute; border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,115,207,0.12), rgba(0,51,141,0.06));
}
.shape--1 { width: 500px; height: 500px; top: -100px; right: -100px; animation: float 8s ease-in-out infinite; }
.shape--2 { width: 300px; height: 300px; bottom: 0; left: -80px; animation: float 10s ease-in-out infinite 2s; }
.shape--3 { width: 200px; height: 200px; top: 40%; right: 20%; animation: float 6s ease-in-out infinite 1s; background: rgba(198,12,48,0.06); }
.hero__inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; padding: 80px 20px;
}
.badge {
  display: inline-block; background: var(--blue-light); color: var(--blue-dark);
  border: 1px solid var(--blue-muted); border-radius: 50px;
  padding: 6px 16px; font-size: 0.85rem; font-weight: 600; margin-bottom: 20px;
}
.hero__title {
  font-size: clamp(2.5rem, 5vw, 3.8rem); font-weight: 900; line-height: 1.1;
  letter-spacing: -1.5px; margin-bottom: 20px; color: var(--text-dark);
}
.hero__subtitle {
  font-size: 1.1rem; color: var(--text-mid); margin-bottom: 32px;
  max-width: 480px; line-height: 1.7;
}
.hero__ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero__stats { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.stat { text-align: center; }
.stat__num { font-size: 2rem; font-weight: 900; color: var(--blue-dark); }
.stat__unit { font-size: 1.2rem; font-weight: 700; color: var(--blue-dark); }
.stat__label { display: block; font-size: 0.8rem; color: var(--text-light); font-weight: 500; margin-top: 2px; }
.stat__divider { width: 1px; height: 40px; background: var(--border); }

/* --- HERO CARD (CHAT) --- */
.hero__visual { display: flex; justify-content: center; align-items: center; }
.glass-card {
  background: rgba(255,255,255,0.9); backdrop-filter: blur(16px);
  border: 1px solid rgba(0,115,207,0.2); border-radius: var(--radius);
  box-shadow: var(--card-shadow); padding: 28px; width: 100%; max-width: 380px;
  animation: float 6s ease-in-out infinite;
}
.card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid)); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0; }
.card-name { font-weight: 700; font-size: 0.95rem; color: var(--text-dark); }
.card-status { font-size: 0.8rem; color: var(--text-light); display: flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #22C55E; display: inline-block; animation: pulse 2s infinite; }
.chat-bubble { border-radius: 12px; padding: 12px 16px; font-size: 0.88rem; line-height: 1.5; margin-bottom: 10px; max-width: 90%; }
.chat-bubble--bot { background: var(--blue-light); color: var(--text-dark); border-bottom-left-radius: 4px; }
.chat-bubble--user { background: var(--blue-dark); color: var(--white); margin-left: auto; border-bottom-right-radius: 4px; }
.chat-actions { margin-top: 16px; }
.chat-btn {
  display: block; text-align: center;
  background: linear-gradient(135deg, #25D366, #1DA851);
  color: var(--white); border-radius: 50px; padding: 12px 20px;
  font-weight: 600; font-size: 0.9rem; transition: var(--transition);
}
.chat-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37,211,102,0.4); }

/* --- SECTION HEADER --- */
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block; background: var(--blue-light); color: var(--blue-dark);
  border-radius: 50px; padding: 6px 18px; font-size: 0.82rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}
.section-tag--red { background: var(--red-light); color: var(--red); }
.section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.8px; margin-bottom: 16px; color: var(--text-dark); }
.section-subtitle { font-size: 1.05rem; color: var(--text-mid); max-width: 560px; margin: 0 auto; }

/* --- PLANES --- */
.planes { background: var(--white); }
.planes__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.plan-card {
  background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; position: relative; overflow: hidden; transition: var(--transition);
  display: flex; flex-direction: column; gap: 12px;
}
.plan-card:hover { border-color: var(--blue-mid); box-shadow: var(--card-shadow-hover); transform: translateY(-6px); }
.plan-card--popular { border-color: var(--blue-mid); background: linear-gradient(160deg, #EAF0FB, var(--white)); box-shadow: 0 8px 32px rgba(0,115,207,0.12); }
.plan-card--elite { border-color: var(--red); }
.plan-card__badge {
  position: absolute; top: 16px; right: 16px;
  font-size: 0.72rem; font-weight: 700; padding: 4px 10px; border-radius: 50px;
  background: var(--blue-light); color: var(--blue-dark);
}
.plan-card__badge--hot { background: var(--red-light); color: var(--red); }
.plan-card__badge--sky { background: #E0F2FE; color: #0369A1; }
.plan-card__badge--pro { background: var(--blue-light); color: var(--blue-dark); }
.plan-card__badge--elite { background: var(--red-light); color: var(--red); }
.plan-card__icon { font-size: 2rem; }
.plan-card__name { font-size: 1.3rem; font-weight: 800; color: var(--text-dark); }
.plan-card__coverage { font-size: 0.9rem; color: var(--text-mid); }
.plan-card__coverage strong { color: var(--blue-dark); font-size: 1rem; }
.plan-card__features { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.plan-card__features li { font-size: 0.88rem; color: var(--text-mid); line-height: 1.4; }
.plan-card--special { background: linear-gradient(160deg, #EAF0FB, var(--white)); border-color: var(--blue-muted); }
.planes__cta { text-align: center; margin-top: 48px; }
.planes__cta p { color: var(--text-mid); margin-bottom: 20px; font-size: 1rem; }

/* --- BENEFICIOS --- */
.beneficios { background: var(--bg); }
.beneficios__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.beneficio-card {
  background: var(--white); border-radius: var(--radius); padding: 32px 24px;
  border: 1.5px solid var(--border); transition: var(--transition); text-align: center;
}
.beneficio-card:hover { border-color: var(--blue-mid); box-shadow: var(--card-shadow-hover); transform: translateY(-6px); }
.beneficio-card__icon { font-size: 2.5rem; margin-bottom: 16px; display: block; }
.beneficio-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); }
.beneficio-card p { font-size: 0.9rem; color: var(--text-mid); line-height: 1.6; }

/* --- CÓMO FUNCIONA --- */
.como-funciona {
  background: linear-gradient(160deg, var(--bg-dark), var(--blue-dark));
  color: var(--white);
}
.como-funciona .section-tag { background: rgba(0,115,207,0.25); color: #7EC8FF; }
.como-funciona .section-title { color: var(--white); }
.como-funciona .section-subtitle { color: rgba(255,255,255,0.7); }
.pasos__grid { display: flex; align-items: flex-start; justify-content: center; gap: 20px; flex-wrap: wrap; }
.paso {
  flex: 1; min-width: 200px; max-width: 280px; text-align: center;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius); padding: 32px 24px; transition: var(--transition);
}
.paso:hover { background: rgba(0,115,207,0.2); border-color: var(--blue-mid); transform: translateY(-6px); }
.paso__num { font-size: 3rem; font-weight: 900; color: rgba(0,115,207,0.45); line-height: 1; margin-bottom: 12px; }
.paso__icon { font-size: 2.2rem; margin-bottom: 16px; }
.paso__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; color: var(--white); }
.paso__desc { font-size: 0.88rem; color: rgba(255,255,255,0.65); line-height: 1.6; }
.paso__arrow { font-size: 2rem; color: var(--blue-mid); align-self: center; flex-shrink: 0; margin-top: 20px; }

/* --- SERVICIOS --- */
.servicios { background: var(--white); }
.servicios__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.servicio-card {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 22px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); transition: var(--transition); background: var(--bg);
}
.servicio-card:hover { border-color: var(--blue-mid); background: var(--blue-light); transform: translateX(4px); }
.servicio-card__icon { font-size: 1.8rem; flex-shrink: 0; }
.servicio-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; color: var(--text-dark); }
.servicio-card p { font-size: 0.83rem; color: var(--text-mid); line-height: 1.5; }

/* --- CTA FINAL --- */
.cta-final { background: var(--bg); }
.cta-final__card {
  background: linear-gradient(135deg, var(--blue-dark), #001F6E);
  border-radius: 24px; overflow: hidden;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 0;
  box-shadow: 0 20px 60px rgba(0,51,141,0.35);
}
.cta-final__content { padding: 60px 48px; }
.cta-final__content .section-tag { background: rgba(255,255,255,0.15); color: var(--white); }
.cta-final__content h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; color: var(--white); margin-bottom: 16px; line-height: 1.2; }
.cta-final__content .gradient-text { background: linear-gradient(135deg, #7EC8FF, #B3D9FF); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.cta-final__content p { color: rgba(255,255,255,0.85); font-size: 1rem; line-height: 1.7; margin-bottom: 32px; }
.cta-final__btns { display: flex; gap: 16px; flex-wrap: wrap; }
.cta-final__btns .btn--primary { background: var(--white); color: var(--blue-dark); box-shadow: 0 4px 20px rgba(0,0,0,0.15); }
.cta-final__btns .btn--primary:hover { background: var(--blue-light); }
.cta-final__btns .btn--outline { border-color: rgba(255,255,255,0.6); color: var(--white); }
.cta-final__btns .btn--outline:hover { background: rgba(255,255,255,0.15); }
.cta-final__visual { background: rgba(0,0,0,0.15); padding: 48px 36px; display: flex; align-items: center; }
.contact-info { display: flex; flex-direction: column; gap: 20px; width: 100%; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; color: var(--white); }
.contact-item > span { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.contact-item strong { display: block; font-size: 0.9rem; font-weight: 700; }
.contact-item p { font-size: 0.85rem; opacity: 0.8; margin: 0; }

/* --- FOOTER --- */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.85); }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding: 60px 20px; }
.footer__brand .logo-text { color: var(--white); }
.footer__brand p { font-size: 0.88rem; color: rgba(255,255,255,0.6); line-height: 1.7; margin-top: 12px; }
.footer__links h4 { font-size: 0.9rem; font-weight: 700; color: var(--white); margin-bottom: 16px; }
.footer__links ul { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { font-size: 0.85rem; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer__links a:hover { color: var(--blue-mid); }
.footer-stripe { height: 4px; background: linear-gradient(90deg, var(--blue-dark), var(--blue-mid), var(--red)); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding: 20px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
  font-size: 0.8rem; color: rgba(255,255,255,0.4);
}

/* --- WHATSAPP FLOTANTE --- */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 62px; height: 62px; border-radius: 50%;
  background: #25D366; box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 10px 32px rgba(37,211,102,0.65); }
.whatsapp-float:hover .whatsapp-float__tooltip { opacity: 1; transform: translateY(0) translateX(-50%); visibility: visible; }
.whatsapp-float__tooltip {
  position: absolute; bottom: 72px; left: 50%; transform: translateY(6px) translateX(-50%);
  background: rgba(0,26,77,0.9); color: var(--white);
  font-size: 0.78rem; font-weight: 600; white-space: nowrap;
  padding: 8px 14px; border-radius: 50px;
  opacity: 0; visibility: hidden; transition: var(--transition);
  pointer-events: none;
}
.whatsapp-float__tooltip::after {
  content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: rgba(0,26,77,0.9);
}
.whatsapp-float__pulse {
  position: absolute; width: 100%; height: 100%; border-radius: 50%;
  background: #25D366; z-index: -1;
  animation: pulsering 2s ease-out infinite;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .planes__grid { grid-template-columns: repeat(2, 1fr); }
  .beneficios__grid { grid-template-columns: repeat(2, 1fr); }
  .servicios__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .cta-final__card { grid-template-columns: 1fr; }
  .cta-final__visual { padding: 32px 48px; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .header__nav {
    position: fixed; top: 70px; left: 0; right: 0;
    background: var(--white); padding: 20px;
    flex-direction: column; align-items: flex-start; gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    display: none; animation: slideDown 0.3s ease;
  }
  .header__nav.open { display: flex; }
  .hamburger { display: flex; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; text-align: center; padding: 60px 20px; }
  .hero__ctas { justify-content: center; }
  .hero__stats { justify-content: center; }
  /* Chat hero visible en móvil */
  .hero__visual { display: flex; justify-content: center; }
  .glass-card { max-width: 100%; width: 100%; animation: none; }
  .hero__subtitle { display: none; }
  .planes__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .beneficios__grid { grid-template-columns: 1fr; }
  .servicios__grid { grid-template-columns: 1fr; }
  .pasos__grid { flex-direction: column; align-items: center; }
  .paso__arrow { transform: rotate(90deg); margin: 0; }
  .cta-final__content { padding: 40px 24px; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 2.2rem; }
  .hero__ctas { flex-direction: column; }
  .btn--lg { padding: 14px 24px; font-size: 0.9rem; }
  .section-title { font-size: 1.7rem; }
  .footer__inner { grid-template-columns: 1fr; }
  .whatsapp-float { bottom: 20px; right: 16px; width: 54px; height: 54px; }
  .cta-final__btns { flex-direction: column; }
}