/* ==========================================================
   Clínica Dental Landing - CSS moderno, mobile-first
   - Paleta médica (azul, blanco, verde suave)
   - Tipografía sans-serif
   - Grid/Flex
   - Animaciones suaves
   - Accesibilidad básica (focus visible)
========================================================== */

/* =========================
   Tokens / Variables
========================= */
:root{
  --bg: #F7FAFF;
  --surface: #FFFFFF;
  --text: #0B1220;
  --muted: #5A667A;

  --primary: #0B5FFF;    /* azul médico */
  --primary-600: #0848C7;
  --accent: #22C55E;     /* verde suave */
  --accent-700: #16A34A;

  --border: rgba(15, 23, 42, 0.10);
  --shadow: 0 12px 28px rgba(2, 6, 23, 0.10);

  --radius: 18px;
  --radius-sm: 14px;

  --container: 1120px;
  --pad: 20px;

  --transition: 200ms ease;
}

/* =========================
   Base / Reset
========================= */
*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% 0%, rgba(11,95,255,.10), transparent 60%),
              radial-gradient(900px 500px at 90% 20%, rgba(34,197,94,.10), transparent 55%),
              var(--bg);
  line-height: 1.5;
}

img, svg{ display:block; }
a{ color: inherit; text-decoration: none; }

.container{
  width: min(100%, calc(var(--container) + (var(--pad) * 2)));
  margin: 0 auto;
  padding: 0 var(--pad);
}

.section{
  padding: 54px 0;
}
.section-alt{
  background: linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.55));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header{
  margin-bottom: 18px;
  text-align: center;
}
.section-header.left{
  text-align: left;
}
.section-title{
  margin: 0;
  font-size: clamp(22px, 3.2vw, 34px);
  letter-spacing: -0.02em;
}
.section-subtitle{
  margin: 8px 0 0;
  color: var(--muted);
}

/* =========================
   Accesibilidad: Focus
========================= */
:focus-visible{
  outline: 3px solid rgba(34, 197, 94, 0.45);
  outline-offset: 3px;
  border-radius: 12px;
}

/* =========================
   Header / Nav
========================= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.brand-mark{
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(11,95,255,.10);
  border: 1px solid var(--border);
}
.brand-name{ letter-spacing: -0.02em; }

.nav{
  display: none; /* Mobile-first: oculto */
  align-items: center;
  gap: 14px;
}
.nav-link{
  color: var(--muted);
  font-weight: 600;
  padding: 10px 10px;
  border-radius: 12px;
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover{
  background: rgba(11,95,255,.08);
  color: var(--text);
}

/* =========================
   Botones
========================= */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 16px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  will-change: transform;
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0px) scale(0.99); }

.btn-primary{
  background: linear-gradient(180deg, var(--primary), var(--primary-600));
  color: #fff;
  box-shadow: 0 10px 22px rgba(11,95,255,.18);
}
.btn-primary:hover{
  box-shadow: 0 12px 26px rgba(11,95,255,.24);
}

.btn-secondary{
  background: rgba(255,255,255,.75);
  border-color: var(--border);
  color: var(--text);
}
.btn-secondary:hover{
  background: rgba(255,255,255,.95);
}

.btn-sm{ padding: 10px 12px; border-radius: 14px; font-size: 14px; }
.btn-lg{ padding: 16px 18px; border-radius: 18px; font-size: 16px; }

/* =========================
   Hero
========================= */
.hero{ padding-top: 42px; }
.hero-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
}

.pill{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.7);
  color: var(--muted);
  margin: 0 0 12px;
}
.pill .dot{
  width: 10px; height: 10px; border-radius: 99px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(34,197,94,.12);
}

.hero-title{
  margin: 0;
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.hero-subtitle{
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 58ch;
}

.hero-actions{
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
}

.trust-list{
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
  color: var(--muted);
}
.trust-list li{
  display: flex;
  gap: 10px;
  align-items: center;
}
.icon{
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(34,197,94,.12);
  color: var(--accent-700);
  border: 1px solid rgba(34,197,94,.22);
}

.hero-media{
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-image{
  background: url("img/consultorio-dental.png") center / cover no-repeat;
  min-height: 320px; /* o el alto que quieras */
  position: relative;
  border-radius: 18px; /* si aplica */
}

.hero-image-overlay{
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(2,6,23,.00), rgba(2,6,23,.04));
}
.hero-image-card{
  position: absolute;
  left: 16px;
  bottom: 16px;
  right: 16px;
  padding: 14px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.78);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  animation: floatUp 600ms ease both;
}
.hero-image-card-title{
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero-image-card-subtitle{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* =========================
   Cards (beneficios)
========================= */
.cards-3{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}
.card{
  padding: 18px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.82);
  border: 1px solid var(--border);
  box-shadow: 0 10px 20px rgba(2,6,23,.06);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover{
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(2,6,23,.10);
}
.card-icon{
  width: 44px; height: 44px;
  border-radius: 16px;
  display: grid; place-items: center;
  color: var(--primary);
  background: rgba(11,95,255,.10);
  border: 1px solid rgba(11,95,255,.16);
}
.card-title{ margin: 12px 0 0; font-size: 18px; letter-spacing: -0.02em; }
.card-text{ margin: 8px 0 0; color: var(--muted); }

/* =========================
   Servicios
========================= */
.services-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 18px;
}
.service{
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.85);
  border: 1px solid var(--border);
  transition: transform var(--transition);
}
.service:hover{ transform: translateY(-1px); }
.service-icon{
  width: 44px; height: 44px;
  border-radius: 16px;
  display: grid; place-items: center;
  background: rgba(34,197,94,.12);
  border: 1px solid rgba(34,197,94,.22);
}
.service-title{ margin: 12px 0 0; font-size: 17px; }
.service-text{ margin: 6px 0 0; color: var(--muted); }

.center-actions{
  display: flex;
  justify-content: center;
  margin-top: 18px;
}

/* =========================
   Testimonios
========================= */
.testimonials{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 18px;
}
.testimonial{
  padding: 18px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.82);
  border: 1px solid var(--border);
}
.stars{ font-size: 18px; }
.quote{
  margin: 10px 0 0;
  color: var(--text);
  font-weight: 650;
}
.meta{
  margin: 10px 0 0;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.dot-sep{ opacity: .7; }

/* =========================
   Ubicación
========================= */
.location-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}
.info-box{
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.85);
  border: 1px solid var(--border);
}
.info-line{ margin: 0 0 10px; color: var(--muted); }
.info-line:last-child{ margin-bottom: 0; }
.info-line a{
  color: var(--primary);
  font-weight: 700;
}
.location-actions{
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}
.map-embed{
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 12px 26px rgba(2,6,23,.08);
  background: #fff;
}
.map-embed iframe{
  width: 100%;
  height: 320px;
  border: 0;
}

/* =========================
   CTA Final
========================= */
.cta{
  border-radius: calc(var(--radius) + 4px);
  padding: 18px;
  border: 1px solid rgba(11,95,255,.14);
  background:
    radial-gradient(800px 340px at 10% 0%, rgba(11,95,255,.16), transparent 60%),
    radial-gradient(800px 380px at 90% 30%, rgba(34,197,94,.12), transparent 60%),
    rgba(255,255,255,.75);
  box-shadow: var(--shadow);
}
.cta-title{
  margin: 0;
  font-size: clamp(22px, 3.4vw, 34px);
  letter-spacing: -0.03em;
}
.cta-text{
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 60ch;
}
.cta-actions{
  margin-top: 14px;
  display: grid;
  gap: 10px;
}
.cta-note{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

/* =========================
   Footer
========================= */
.site-footer{
  padding: 34px 0 22px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,.75);
}
.footer-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.footer-title{
  margin: 0 0 8px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.footer-text{
  margin: 0;
  color: var(--muted);
}
.footer-text a{
  color: var(--primary);
  font-weight: 750;
}
.footer-bottom{
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed rgba(15,23,42,.18);
  color: var(--muted);
}

/* =========================
   WhatsApp Floating Button
========================= */
.wa-float{
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 60;

  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;

  background: linear-gradient(180deg, var(--accent), var(--accent-700));
  color: #fff;
  border-radius: 999px;
  border: 1px solid rgba(22,163,74,.35);
  box-shadow: 0 16px 30px rgba(34,197,94,.28);

  transform: translateY(0);
  transition: transform var(--transition), box-shadow var(--transition);
}
.wa-float:hover{
  transform: translateY(-2px);
  box-shadow: 0 20px 34px rgba(34,197,94,.34);
}
.wa-icon{
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 999px;
  background: rgba(255,255,255,.16);
}
.wa-text{ font-weight: 800; }

/* =========================
   Helpers
========================= */
.sr-only{
  position:absolute !important;
  width:1px !important;
  height:1px !important;
  padding:0 !important;
  margin:-1px !important;
  overflow:hidden !important;
  clip:rect(0,0,0,0) !important;
  white-space:nowrap !important;
  border:0 !important;
}

/* =========================
   Animaciones suaves
========================= */
@keyframes floatUp{
  from{ opacity: 0; transform: translateY(8px); }
  to{ opacity: 1; transform: translateY(0px); }
}

/* =========================
   Responsive (>= 768px)
========================= */
@media (min-width: 768px){
  .nav{ display: inline-flex; }

  .hero-grid{
    grid-template-columns: 1.05fr .95fr;
    gap: 26px;
  }
  .hero-actions{
    flex-direction: row;
    align-items: center;
  }

  .cards-3{
    grid-template-columns: repeat(3, 1fr);
  }

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

  .testimonials{
    grid-template-columns: repeat(3, 1fr);
  }

  .location-grid{
    grid-template-columns: 1fr 1.1fr;
  }

  .location-actions{
    flex-direction: row;
    align-items: center;
  }

  .footer-grid{
    grid-template-columns: 1.1fr 1fr 1fr 0.9fr;
  }
}

/* =========================
   Responsive (>= 1024px)
========================= */
@media (min-width: 1024px){
  .hero-image{ min-height: 420px; src: "images/consutorio-dental"; }
  .services-grid{ grid-template-columns: repeat(3, 1fr); }
}