/* Clases Particulares Algeciras — design system 2026 */

:root{
  --azul: #102a43;
  --azul-osc: #081c2c;
  --azul-medio: #1d7a9b;
  --teal: #12a594;
  --teal-suave: #dff6f1;
  --azul-suave: #eef4f6;
  --verde-wsp: #25d366;
  --verde-wsp-osc: #1da851;
  --ambar: #e6a23c;
  --ambar-suave: #fff3df;
  --texto: #122230;
  --texto-suave: #5d6c78;
  --borde: #e2e8ea;
  --fondo: #fffdfa;
  --fondo-alt: #f7f5ef;
  --radio: 18px;
  --radio-lg: 28px;
  --sombra: 0 10px 30px rgba(8,28,44,.08);
  --sombra-md: 0 18px 45px rgba(8,28,44,.14);
  --fuente: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--fuente);
  color:var(--texto);
  background:var(--fondo);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3,h4{line-height:1.18;margin:0 0 .5em;color:var(--azul-osc);letter-spacing:-.02em}
h1{font-size:clamp(2rem,5vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.5rem,3.5vw,2.2rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.contenedor{max-width:1140px;margin:0 auto;padding:0 20px}
.seccion{padding:72px 0}
.seccion-alt{background:var(--fondo-alt)}
.centro{text-align:center}
.kicker{
  display:inline-block;
  color:var(--azul-medio);
  background:var(--teal-suave);
  font-weight:800;
  font-size:.78rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding:6px 16px;
  border-radius:999px;
  margin-bottom:16px;
}
.subtitulo{color:var(--texto-suave);font-size:1.13rem;max-width:640px}
.subtitulo.centro{margin-left:auto;margin-right:auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,253,250,.97);
  border-bottom:1px solid var(--borde);
  transition:box-shadow .2s;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;max-width:1140px;margin:0 auto;
}
.logo{font-weight:800;font-size:1.08rem;color:var(--azul-osc);text-decoration:none;letter-spacing:-.02em}
.logo span{color:var(--teal)}
nav.nav-principal{display:flex;align-items:center;gap:24px}
nav.nav-principal a{text-decoration:none;color:var(--texto);font-weight:600;font-size:.95rem}
nav.nav-principal a:hover{color:var(--azul-medio)}
.btn-wsp-header{
  background:var(--verde-wsp);color:#fff !important;padding:11px 22px;border-radius:999px;
  font-weight:750 !important;box-shadow:var(--sombra);
}
.btn-wsp-header:hover{background:var(--verde-wsp-osc)}
.menu-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--azul-osc)}

@media (max-width:860px){
  nav.nav-principal{
    position:fixed;top:63px;left:0;right:0;bottom:0;
    background:#fff;flex-direction:column;align-items:flex-start;
    padding:24px 24px;gap:18px;display:none;overflow-y:auto;
  }
  nav.nav-principal.abierto{display:flex}
  .menu-toggle{display:block}
  nav.nav-principal a{font-size:1.1rem;width:100%}
  .btn-wsp-header{text-align:center;width:100%}
}

/* Botones */
.btn{
  display:inline-block;padding:15px 28px;border-radius:999px;font-weight:750;
  text-decoration:none;border:2px solid transparent;font-size:1rem;cursor:pointer;
  transition:transform .15s, box-shadow .15s, background .15s;
}
.btn-wsp{background:var(--verde-wsp);color:#fff;box-shadow:var(--sombra-md)}
.btn-wsp:hover{background:var(--verde-wsp-osc);transform:translateY(-2px)}
.btn-tel{background:#fff;color:var(--azul-osc);border-color:var(--borde);box-shadow:var(--sombra)}
.btn-tel:hover{background:var(--azul-suave);transform:translateY(-2px)}
.grupo-botones{display:flex;gap:14px;flex-wrap:wrap}

/* Hero */
.hero{padding:64px 0 68px;background:linear-gradient(180deg,var(--teal-suave) 0%, var(--fondo) 65%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.hero h1{color:var(--azul-osc)}
.hero-imagen-real{
  position:relative;border-radius:var(--radio-lg);overflow:hidden;box-shadow:var(--sombra-md);
  aspect-ratio:6/5;
}
.hero-imagen-real img{width:100%;height:100%;object-fit:cover;display:block}
.hero-imagen-real::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg, rgba(8,28,44,.55) 0%, rgba(8,28,44,0) 45%);
  pointer-events:none;
}
.hero-foto-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:flex;flex-direction:column;gap:2px;
  background:#fff;border-radius:var(--radio);padding:12px 18px;
  box-shadow:var(--sombra-md);text-decoration:none;color:var(--texto);
  font-weight:750;font-size:.85rem;
}
.hero-foto-badge .estrellas{font-size:.95rem}
.hero-badges{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px}
.hero-badge{display:flex;align-items:flex-start;gap:10px;font-size:.86rem;color:var(--texto-suave);font-weight:600;max-width:200px}
.hero-badge-icono{font-size:1.3rem;line-height:1;flex-shrink:0}
.hero-badge-texto{display:block}
.hero-badge strong{color:var(--azul-osc);display:block;font-size:.94rem}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr}
  .hero-imagen-real{order:-1;max-width:460px;margin:0 auto 8px}
}
@media (max-width:640px){
  .hero-badges{flex-direction:column;gap:16px}
  .hero-badge{max-width:100%}
}

/* Tarjetas asignaturas */
.grid-tarjetas{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
@media (max-width:960px){.grid-tarjetas{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid-tarjetas{grid-template-columns:1fr}}
.tarjeta{
  background:#fff;border:1px solid var(--borde);border-radius:var(--radio-lg);
  padding:28px 24px;text-decoration:none;color:var(--texto);
  transition:transform .18s, box-shadow .18s;display:flex;flex-direction:column;gap:8px;
}
.tarjeta:hover{transform:translateY(-4px);box-shadow:var(--sombra-md);border-color:transparent}
.tarjeta .icono{font-size:1.8rem}
.tarjeta h3{color:var(--azul-osc);margin-bottom:2px}
.tarjeta p{color:var(--texto-suave);font-size:.92rem;margin-bottom:0}
.tarjeta .ver-mas{margin-top:auto;color:var(--teal);font-weight:750;font-size:.88rem}

/* Niveles */
.grid-niveles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
@media (max-width:960px){.grid-niveles{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid-niveles{grid-template-columns:1fr}}
.nivel-card{background:var(--fondo-alt);border-radius:var(--radio);padding:22px;border-left:4px solid var(--teal)}
.nivel-card h3{color:var(--azul-osc);font-size:1.05rem}
.nivel-card p{color:var(--texto-suave);font-size:.92rem;margin:0}

/* Por qué elegir */
.grid-razones{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:32px}
@media (max-width:700px){.grid-razones{grid-template-columns:1fr}}
.razon{display:flex;gap:14px}
.razon .check{
  flex-shrink:0;width:34px;height:34px;border-radius:50%;background:var(--teal-suave);
  color:var(--teal);display:flex;align-items:center;justify-content:center;font-weight:800;
}
.razon h3{font-size:1rem;margin-bottom:4px}
.razon p{color:var(--texto-suave);font-size:.92rem;margin:0}

/* Reseñas */
.resenas-cabecera{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:center;margin-bottom:10px}
.estrellas{color:var(--ambar);font-size:1.4rem;letter-spacing:2px}
.aviso-pendiente{
  background:var(--ambar-suave);border:1px solid #f0d38b;color:#7a5a10;border-radius:var(--radio);
  padding:14px 18px;font-size:.9rem;max-width:640px;margin:18px auto 0;
}
.grid-testimonios{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
@media (max-width:860px){.grid-testimonios{grid-template-columns:1fr}}
.testimonio{background:#fff;border:1px solid var(--borde);border-radius:var(--radio-lg);padding:24px}
.testimonio .estrellas{font-size:1rem;margin-bottom:8px}
.testimonio p{color:var(--texto-suave);font-size:.94rem;font-style:italic}
.testimonio .autor{font-weight:700;color:var(--azul-osc);font-style:normal;font-size:.9rem;margin-top:10px}

/* Profesor */
.profesor-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:center}
.profesor-foto{
  border-radius:var(--radio-lg);overflow:hidden;
  background:linear-gradient(160deg,var(--teal-suave) 0%,#e4f3ef 100%);
  aspect-ratio:4/5;display:flex;flex-direction:column;gap:16px;
  align-items:center;justify-content:center;color:var(--azul-osc);font-weight:700;
  text-align:center;padding:32px;
}
.profesor-foto .icono-avatar{font-size:4rem}
.profesor-foto-texto{font-size:1rem;max-width:230px;line-height:1.4}
@media (max-width:860px){
  .profesor-grid{grid-template-columns:1fr}
  .profesor-foto{aspect-ratio:16/10;max-width:420px;margin:0 auto}
}
.lista-check{list-style:none;margin:18px 0;padding:0}
.lista-check li{padding-left:28px;position:relative;margin-bottom:10px;color:var(--texto-suave)}
.lista-check li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}

/* Metodología */
.grid-pasos{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px}
@media (max-width:960px){.grid-pasos{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid-pasos{grid-template-columns:1fr}}
.paso{position:relative;padding-top:10px}
.paso .num{
  width:42px;height:42px;border-radius:50%;background:var(--azul-osc);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px;
}
.paso h3{font-size:1rem}
.paso p{color:var(--texto-suave);font-size:.9rem;margin:0}

/* CTA final */
.cta-final{background:var(--azul-osc);color:#fff;text-align:center;padding:72px 0}
.cta-final h2{color:#fff}
.cta-final p{color:#cfe0ea;max-width:560px;margin:0 auto 26px}
.cta-final .btn-tel{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);box-shadow:none}
.cta-final .btn-tel:hover{background:rgba(255,255,255,.12)}
.cta-final .grupo-botones{justify-content:center}

/* FAQ */
.faq-item{border-bottom:1px solid var(--borde);padding:18px 0}
.faq-item summary{cursor:pointer;font-weight:700;color:var(--azul-osc);list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--teal);flex-shrink:0}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin-top:12px;color:var(--texto-suave)}

/* Blog */
.grid-blog{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:30px}
@media (max-width:700px){.grid-blog{grid-template-columns:1fr}}
.post-card{background:#fff;border:1px solid var(--borde);border-radius:var(--radio-lg);padding:24px;text-decoration:none;color:var(--texto);transition:transform .18s, box-shadow .18s}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sombra-md)}
.post-card h3{color:var(--azul-osc)}
.post-card .fecha{font-size:.82rem;color:var(--texto-suave);text-transform:uppercase;letter-spacing:.03em}
article.post{max-width:720px;margin:0 auto}
article.post h1{color:var(--azul-osc)}
article.post h2{color:var(--azul-osc);margin-top:1.6em}
article.post p{color:var(--texto)}

/* Contacto */
.contacto-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media (max-width:860px){.contacto-grid{grid-template-columns:1fr}}
.info-contacto p{margin-bottom:14px}
.info-contacto strong{color:var(--azul-osc)}
.mapa-embed{border-radius:var(--radio-lg);overflow:hidden;border:1px solid var(--borde);box-shadow:var(--sombra)}
.mapa-embed iframe{width:100%;height:320px;border:0;display:block}

/* Footer */
footer{background:var(--fondo-alt);color:var(--texto-suave);padding:52px 0 24px;font-size:.92rem;border-top:1px solid var(--borde)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:28px}
@media (max-width:700px){.footer-grid{grid-template-columns:1fr;gap:22px}}
footer h4{color:var(--azul-osc);font-size:.95rem;margin-bottom:12px}
footer a{color:var(--texto-suave);text-decoration:none}
footer a:hover{color:var(--azul-medio);text-decoration:underline}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:8px}
.footer-bottom{border-top:1px solid var(--borde);padding-top:18px;font-size:.82rem;color:var(--texto-suave);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* WhatsApp flotante */
.wsp-flotante{
  position:fixed;bottom:22px;right:22px;background:var(--verde-wsp);color:#fff;
  height:56px;border-radius:999px;display:flex;align-items:center;gap:10px;
  padding:0 22px 0 18px;font-size:1.5rem;box-shadow:var(--sombra-md);text-decoration:none;z-index:60;
  transition:transform .15s, background .15s;
}
.wsp-flotante .texto-wsp{font-size:.95rem;font-weight:750;font-family:var(--fuente)}
.wsp-flotante:hover{background:var(--verde-wsp-osc);transform:translateY(-2px)}
@media (max-width:560px){
  .wsp-flotante{padding:0;width:56px;justify-content:center}
  .wsp-flotante .texto-wsp{display:none}
}

/* Migas de pan */
.migas{font-size:.85rem;color:var(--texto-suave);margin-bottom:18px}
.migas a{color:var(--azul-medio);text-decoration:none}

/* Landing asignatura específica */
.landing-hero{background:var(--teal-suave);padding:56px 0}
.tabla-temario{width:100%;border-collapse:collapse;margin-top:20px}
.tabla-temario th,.tabla-temario td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--borde);font-size:.94rem}
.tabla-temario th{color:var(--azul-osc)}

.aviso-legal-mini{font-size:.8rem;color:var(--texto-suave);text-align:center;padding:14px 0}