/* =========================
   ESCUELA DEL CENTENARIO
   styles.css completo
========================= */

:root{
  --bg:#ffffff;
  --bg-soft:#f1f7f7;
  --ink:#10252d;
  --text:#263b44;
  --muted:#657983;

  --primary:#0e5e6f;
  --primary-dark:#0a4652;
  --primary-soft:#dff2f4;

  --accent:#f6a21a;
  --accent-soft:#fff3df;

  --card:#ffffff;
  --border:#d9e7ea;

  --radius:24px;
  --radius-sm:14px;
  --shadow:0 18px 45px rgba(14,94,111,.14);

  --container:1120px;
  --header-h:78px;
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
  scroll-padding-top:var(--header-h);
}

body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{
  max-width:100%;
  display:block;
}

a{
  color:inherit;
}

.container{
  width:min(var(--container), 92%);
  margin-inline:auto;
}

/* =========================
   ACCESIBILIDAD
========================= */

.skip-link{
  position:absolute;
  left:-999px;
  top:1rem;
  z-index:999;
  padding:.75rem 1rem;
  border-radius:12px;
  background:var(--ink);
  color:#fff;
  text-decoration:none;
  font-weight:800;
}

.skip-link:focus{
  left:1rem;
}

:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:3px;
}

/* =========================
   HEADER
========================= */

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(217,231,234,.8);
}

.header-inner{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}

.brand{
  display:flex;
  align-items:center;
  gap:.75rem;
  text-decoration:none;
  color:var(--ink);
}

.brand-mark{
  width:48px;
  height:48px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg, var(--primary), #1b9aaa);
  color:#fff;
  font-weight:900;
  letter-spacing:.04em;
  box-shadow:var(--shadow);
}

.brand-copy{
  display:grid;
  line-height:1.2;
}

.brand-copy strong{
  font-size:1rem;
}

.brand-copy small{
  color:var(--muted);
  font-weight:700;
}

.site-nav{
  display:flex;
  align-items:center;
  gap:.35rem;
}

.site-nav a{
  text-decoration:none;
  font-weight:800;
  font-size:.93rem;
  color:var(--ink);
  padding:.6rem .8rem;
  border-radius:999px;
}

.site-nav a:hover{
  background:var(--primary-soft);
  color:var(--primary-dark);
}

.nav-toggle{
  display:none;
  border:0;
  background:transparent;
  padding:.5rem;
  cursor:pointer;
}

.nav-toggle span{
  display:block;
  width:28px;
  height:3px;
  background:var(--ink);
  border-radius:999px;
  margin:5px 0;
}

/* =========================
   HERO
========================= */

.hero{
  position:relative;
  overflow:hidden;
  padding:clamp(3rem, 7vw, 6rem) 0;
  background:
    radial-gradient(circle at 15% 15%, rgba(246,162,26,.18), transparent 32%),
    radial-gradient(circle at 85% 20%, rgba(14,94,111,.18), transparent 34%),
    linear-gradient(180deg, #fff 0%, #f7fbfb 100%);
}

.hero::before{
  content:"";
  position:absolute;
  inset:auto -10% -18% auto;
  width:420px;
  height:420px;
  background:var(--accent-soft);
  border-radius:50%;
  z-index:0;
}

.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;
  gap:clamp(2rem, 5vw, 4rem);
}

.hero-copy h1{
  margin:.2rem 0 1rem;
  color:var(--ink);
  font-size:clamp(2.35rem, 5vw, 4.6rem);
  line-height:.98;
  letter-spacing:-.055em;
  text-wrap:balance;
}

.lead{
  font-size:clamp(1.05rem, 2vw, 1.25rem);
  max-width:58ch;
  color:var(--text);
}

.kicker,
.section-label{
  display:flex;
  align-items:center;
  gap:.55rem;
  margin:0 0 .45rem;
  color:var(--primary);
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:.78rem;
}

.kicker::before,
.section-label::before{
  content:"";
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--accent);
  flex:0 0 auto;
}

.hero-actions{
  display:flex;
  align-items:center;
  gap:.75rem;
  flex-wrap:wrap;
  margin-top:1.4rem;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  min-height:48px;
  padding:.85rem 1.2rem;
  border-radius:999px;
  border:2px solid transparent;
  text-decoration:none;
  font-weight:900;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover{
  transform:translateY(-1px);
}

.btn.primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 14px 28px rgba(14,94,111,.22);
}

.btn.primary:hover{
  background:var(--primary-dark);
}

.btn.secondary{
  background:#fff;
  color:var(--primary-dark);
  border-color:var(--border);
}

.btn.secondary:hover{
  background:var(--primary-soft);
}

.hero-media{
  margin:0;
  border-radius:32px;
  padding:1rem;
  background:#fff;
  box-shadow:var(--shadow);
}

.hero-media img{
  border-radius:24px;
}

/* =========================
   INFO STRIP
========================= */

.info-strip{
  padding:1.2rem 0;
  background:var(--primary);
  color:#fff;
}

.strip-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1rem;
}

.strip-grid article{
  display:flex;
  align-items:center;
  gap:.8rem;
  min-width:0;
}

.strip-icon{
  width:44px;
  height:44px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.14);
  flex:0 0 auto;
}

.strip-grid strong,
.strip-grid small{
  display:block;
}

.strip-grid small{
  opacity:.86;
}

/* =========================
   SECCIONES
========================= */

.section{
  padding:clamp(3.5rem, 7vw, 5.5rem) 0;
}

.section.soft{
  background:var(--bg-soft);
}

.section h2{
  margin:.2rem 0 1rem;
  color:var(--ink);
  font-size:clamp(2rem, 4vw, 3.2rem);
  line-height:1.05;
  letter-spacing:-.045em;
}

.section h3{
  color:var(--ink);
}

.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:2rem;
  margin-bottom:1.3rem;
}

.section-head > p{
  max-width:420px;
  color:var(--muted);
  margin:0;
}

.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(2rem, 5vw, 4rem);
  align-items:center;
}

.align-start{
  align-items:start;
}

/* =========================
   CARDS
========================= */

.card,
.notice-card,
.news-card,
.map-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.card{
  padding:1.3rem;
}

.feature-card img{
  border-radius:18px;
  margin-bottom:1rem;
}

.cards{
  display:grid;
  gap:1rem;
}

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

.project-card{
  position:relative;
  overflow:hidden;
}

.project-card::after{
  content:"";
  position:absolute;
  width:130px;
  height:130px;
  right:-48px;
  bottom:-48px;
  border-radius:50%;
  background:var(--accent-soft);
  z-index:0;
}

.project-card > *{
  position:relative;
  z-index:1;
}

.project-badge{
  display:inline-flex;
  width:max-content;
  padding:.35rem .65rem;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-weight:900;
  font-size:.78rem;
  margin-bottom:.7rem;
}

.text-link{
  color:var(--primary);
  font-weight:900;
  text-decoration:none;
}

.text-link:hover{
  text-decoration:underline;
}

/* =========================
   LISTAS
========================= */

.check-list,
.contact-list{
  margin:1rem 0 0;
  padding:0;
  list-style:none;
}

.check-list li,
.contact-list li{
  margin:.55rem 0;
}

.check-list li{
  position:relative;
  padding-left:1.7rem;
}

.check-list li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  color:var(--primary);
  font-weight:900;
}

.contact-list a{
  color:var(--primary);
  font-weight:800;
  text-decoration:none;
}

.contact-list a:hover{
  text-decoration:underline;
}

/* =========================
   ACCORDION
========================= */

.accordion{
  margin-top:1.3rem;
  display:grid;
  gap:.7rem;
}

.accordion-trigger{
  width:100%;
  border:1px solid var(--border);
  background:#fff;
  color:var(--ink);
  border-radius:18px;
  padding:1rem 1.2rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  font:inherit;
  font-weight:900;
  text-align:left;
  cursor:pointer;
}

.accordion-trigger::after{
  content:"+";
  font-weight:900;
  color:var(--primary);
}

.accordion-trigger[aria-expanded="true"]::after{
  content:"−";
}

.accordion-panel{
  border:1px solid var(--border);
  border-top:0;
  margin-top:-.8rem;
  padding:1.2rem;
  border-radius:0 0 18px 18px;
  background:#fff;
}

.accordion-panel[hidden]{
  display:none !important;
}

.accordion-panel p{
  margin:0;
}

/* =========================
   NOTICE CARD
========================= */

.notice-card{
  padding:1.6rem;
  background:linear-gradient(145deg, var(--primary), #147f8c);
  color:#fff;
}

.notice-card h3{
  color:#fff;
  margin-top:0;
}

.notice-card .btn{
  background:#fff;
  color:var(--primary-dark);
  margin-top:.5rem;
}

/* =========================
   NOVEDADES
========================= */

.news-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:1rem;
}

.news-card{
  overflow:hidden;
}

.news-card img{
  width:100%;
  height:auto;
  background:var(--accent-soft);
}

.news-card div{
  padding:1.2rem;
}

.news-card time{
  display:block;
  color:var(--primary);
  font-weight:900;
  font-size:.82rem;
  text-transform:uppercase;
  letter-spacing:.08em;
}

.news-card h3{
  margin:.35rem 0 .35rem;
}

/* =========================
   CONTACTO
========================= */

.contact-section{
  background:
    radial-gradient(circle at 10% 20%, rgba(246,162,26,.13), transparent 28%),
    radial-gradient(circle at 90% 10%, rgba(14,94,111,.14), transparent 32%),
    #fff;
}

.contact-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:clamp(2rem, 5vw, 4rem);
  align-items:center;
}

.map-card{
  overflow:hidden;
  padding:1rem;
}

.map-card img{
  border-radius:18px;
  width:100%;
}

/* =========================
   FOOTER
========================= */

.site-footer{
  background:var(--ink);
  color:#fff;
  padding:2rem 0;
}

.footer-grid{
  display:flex;
  justify-content:space-between;
  gap:1rem;
  align-items:center;
}

.footer-grid p{
  margin:.2rem 0 0;
  color:rgba(255,255,255,.72);
}

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

@media (max-width: 980px){
  .hero-grid,
  .two-col,
  .contact-grid{
    grid-template-columns:1fr;
  }

  .hero-media{
    max-width:720px;
  }

  .section-head{
    align-items:start;
    flex-direction:column;
  }

  .cards.three{
    grid-template-columns:1fr 1fr;
  }
}

@media (max-width: 760px){
  :root{
    --header-h:70px;
  }

  .nav-toggle{
    display:block;
  }

  .site-nav{
    position:absolute;
    top:calc(100% + .5rem);
    right:4%;
    width:min(340px, 92vw);
    display:none;
    flex-direction:column;
    align-items:stretch;
    padding:.65rem;
    background:#fff;
    border:1px solid var(--border);
    border-radius:20px;
    box-shadow:var(--shadow);
  }

  .site-nav.is-open{
    display:flex;
  }

  .site-nav a{
    padding:.9rem 1rem;
    border-radius:14px;
  }

  .hero{
    padding:2.6rem 0 3rem;
  }

  .hero-copy h1{
    font-size:clamp(2.2rem, 12vw, 3.5rem);
  }

  .strip-grid,
  .cards.three,
  .news-grid{
    grid-template-columns:1fr;
  }

  .footer-grid{
    flex-direction:column;
    align-items:flex-start;
  }

  .brand-copy strong{
    font-size:.95rem;
  }

  .brand-copy small{
    font-size:.78rem;
  }
}

@media (max-width: 480px){
  .container{
    width:min(100% - 1.5rem, var(--container));
  }

  .btn{
    width:100%;
  }

  .hero-actions{
    width:100%;
  }

  .hero-actions .btn{
    flex:1 1 100%;
  }

  .section{
    padding:3rem 0;
  }

  .card,
  .notice-card{
    padding:1rem;
  }

  .accordion-trigger{
    padding:.9rem 1rem;
  }

  .accordion-panel{
    padding:1rem;
  }
}