:root{--bg:#07131d;--panel:#102635;--panel2:#17364b;--txt:#eef7fb;--muted:#b8cad6;--gold:#e6b74f;--ok:#35c58b;--line:#27485d;--warn:#ffb05a}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#07131d,#0b1c28);color:var(--txt);font-family:Segoe UI,Arial,sans-serif;line-height:1.65}
a{color:inherit}.wrap{width:min(1180px,92%);margin:auto}.top{position:sticky;top:0;z-index:10;background:#07131def;border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.nav{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:800;letter-spacing:.5px}.brand b{color:var(--gold)}
.navlinks{display:flex;gap:16px;flex-wrap:wrap}.navlinks a{text-decoration:none;color:#cedce4;font-size:.94rem}
.hero{padding:70px 0 48px;background:radial-gradient(circle at 82% 15%,#245675 0,transparent 34%)}.eyebrow{display:inline-block;padding:7px 12px;border:1px solid #416175;border-radius:999px;color:#d4e5ed}
h1{font-size:clamp(2.3rem,5vw,4.6rem);line-height:1.02;margin:18px 0;max-width:980px}h2{font-size:clamp(1.65rem,3vw,2.4rem);margin:0 0 12px}h3{margin-top:0}.gold{color:var(--gold)}.lead{max-width:900px;color:var(--muted);font-size:1.16rem}
.meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.pill{padding:9px 13px;background:#102a3a;border:1px solid #294b60;border-radius:10px}
section{padding:42px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.card{background:linear-gradient(160deg,var(--panel),#0b1c27);border:1px solid var(--line);border-radius:18px;padding:21px;box-shadow:0 12px 30px #0003}.card:hover{transform:translateY(-2px);transition:.18s}
.num{font-weight:800;color:var(--gold);font-size:.86rem;letter-spacing:.1em}.muted{color:var(--muted)}.btn{display:inline-block;background:var(--gold);color:#14202a;text-decoration:none;font-weight:800;padding:11px 16px;border-radius:10px;margin-top:8px}.btn.alt{background:#17384d;color:white;border:1px solid #31566e}
.photo{width:100%;height:330px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:#102635}.caption{font-size:.85rem;color:#9fb6c4;margin-top:7px}.two{display:grid;grid-template-columns:1.1fr .9fr;gap:25px;align-items:center}
.notice{border-left:5px solid var(--gold);background:#112736;padding:17px 19px;border-radius:10px}.danger{border-left-color:#e36b65}.lesson{padding:55px 0}.lesson ul{padding-left:22px}.check li{margin-bottom:8px}.scenario{background:#102a3a;border:1px solid #31536a;border-radius:16px;padding:20px}.footer{border-top:1px solid var(--line);padding:30px 0 55px;color:#a9beca}
.progress{height:8px;background:#173346;border-radius:99px;overflow:hidden}.progress span{display:block;height:100%;background:var(--gold)}
table{width:100%;border-collapse:collapse;background:#0d2230;border-radius:12px;overflow:hidden}th,td{border-bottom:1px solid #27485d;padding:12px;text-align:left}th{background:#163349}
.quiz label{display:block;padding:9px 0}.quiz button{border:0;cursor:pointer}.result{font-weight:800;margin-top:15px}
@media(max-width:760px){.two{grid-template-columns:1fr}.nav{align-items:flex-start;padding:12px 0;flex-direction:column}.photo{height:240px}}

/* V2 ERA/IRESC */
.brand-logo{height:48px;width:auto;display:block;filter:drop-shadow(0 4px 12px #0008)}
.hero-home{position:relative;min-height:590px;display:flex;align-items:center;overflow:hidden;background:#07131d}
.hero-home:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(5,17,27,.97) 0%,rgba(5,17,27,.86) 43%,rgba(5,17,27,.30) 72%,rgba(5,17,27,.22) 100%),url("https://commons.wikimedia.org/wiki/Special:Redirect/file/Fire%20drill.jpg");background-size:cover;background-position:center;transform:scale(1.02)}
.hero-home .wrap{position:relative;z-index:2}.hero-home .hero-copy{max-width:760px}.hero-home .course-logo{width:min(560px,84vw);height:auto;margin-bottom:24px;filter:drop-shadow(0 6px 18px #000)}
.hero-home h1{font-size:clamp(2.6rem,5.6vw,5.3rem);text-shadow:0 4px 18px #000}.hero-home .lead{color:#e0edf4;text-shadow:0 2px 8px #000}
.access-badge{display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border-radius:999px;background:#123d31;border:1px solid #2f8c70;color:#dffff2;font-weight:700}
.top .brand{display:flex;align-items:center}.top .brand-logo{height:38px}
@media(max-width:760px){.hero-home{min-height:620px}.hero-home:before{background-image:linear-gradient(180deg,rgba(5,17,27,.90),rgba(5,17,27,.96)),url("https://commons.wikimedia.org/wiki/Special:Redirect/file/Fire%20drill.jpg");background-position:center}.top .brand-logo{height:31px}}


/* V3 recursos descargables */
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}
.section-copy{max-width:760px;margin:0}
.resource-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;align-items:stretch}
.resource-card{position:relative;display:flex;flex-direction:column;min-height:100%;padding:24px;border-radius:22px;border:1px solid #2b536a;background:linear-gradient(180deg,rgba(18,43,58,.96),rgba(9,27,39,.98));box-shadow:0 14px 34px rgba(0,0,0,.20), inset 0 1px 0 rgba(255,255,255,.03);overflow:hidden}
.resource-card:before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--gold),#f5d57a)}
.resource-card.featured:before{height:5px;background:linear-gradient(90deg,#ffd976,var(--gold),#f4b634)}
.resource-card.exam:before{background:linear-gradient(90deg,#f4b634,#ffdd8c)}
.resource-card:hover{transform:translateY(-4px);border-color:#3a6781;box-shadow:0 18px 38px rgba(0,0,0,.28)}
.resource-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.resource-icon{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;font-size:1.8rem;background:linear-gradient(180deg,#18384d,#112838);border:1px solid #35566c;box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.resource-tag{display:inline-flex;align-items:center;padding:7px 11px;border-radius:999px;font-size:.77rem;font-weight:800;letter-spacing:.06em;background:#173244;color:#d8ebf3;border:1px solid #31536a}
.resource-card h3{font-size:1.32rem;line-height:1.25;margin:0 0 10px}
.resource-desc{color:#d5e5ee;margin:0 0 12px}
.resource-features{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:8px;color:#b9ceda}
.resource-features li{position:relative;padding-left:20px}
.resource-features li:before{content:"•";position:absolute;left:5px;top:0;color:var(--gold);font-size:1.1rem;line-height:1}
.resource-actions{margin-top:auto;padding-top:8px}
.btn.resource{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:50px;padding:13px 16px;border-radius:14px;font-size:.98rem;box-shadow:0 10px 18px rgba(230,183,79,.18)}
@media(max-width:760px){.section-head{align-items:flex-start;flex-direction:column}.resource-card h3{font-size:1.2rem}}


/* Revisión completa lecciones */
.lesson-two{align-items:start}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.lesson-grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}
.lesson-box{background:linear-gradient(180deg,#102a3a,#0b1f2c);border:1px solid #2b4e63;border-radius:18px;padding:22px;box-shadow:0 10px 24px #0002}
.lesson-box h2{margin-bottom:12px}
.mini-card{background:linear-gradient(180deg,#112736,#0d2230);border:1px solid #27495e;border-radius:16px;padding:18px}
.mini-card h3{margin:0 0 8px;font-size:1.08rem}
.video-frame{position:relative;width:100%;padding-top:56.25%;border-radius:16px;overflow:hidden;background:#091520;border:1px solid #294b60}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media(max-width:760px){.lesson-grid-2{grid-template-columns:1fr}}


/* V8 FOTOS REALES */
.photo{background:#102635;object-fit:cover;display:block}
.video-link-card{display:flex;align-items:center;gap:16px;padding:20px;border-radius:16px;background:linear-gradient(145deg,#102c3e,#0b202e);border:1px solid #31566e;margin:14px 0}.video-link-icon{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:#e6b74f;color:#10202b;font-weight:900;font-size:1.4rem}.video-link-card span{color:#b8cad6}