/* =========================================================
   Curso de Cerrajería Forense — Catalán y Sicilia
   Estilos · móvil primero · estática sin build
   ========================================================= */
:root{
  --ink:#0a0c11;
  --ink-2:#0f121a;
  --surface:#151925;
  --surface-2:#1b2030;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --text:#eef1f7;
  --muted:#a7b0c0;
  --muted-2:#7b859a;
  --gold:#c9a24b;
  --gold-2:#e7cd84;
  --gold-soft:rgba(201,162,75,.14);
  --steel:#5b7fb0;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 50px -22px rgba(0,0,0,.7);
  --shadow-gold:0 14px 40px -14px rgba(201,162,75,.45);
  --container:1140px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--text);
  background:var(--ink);line-height:1.65;
  font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  -webkit-tap-highlight-color:rgba(201,162,75,.25);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1rem}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.74rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold-2);margin-bottom:1rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.serif{font-family:var(--serif)}
.gold{color:var(--gold-2)}
.section{padding:clamp(64px,9vw,118px) 0;position:relative}
section[id]{scroll-margin-top:84px}
.section--alt{background:linear-gradient(180deg,var(--ink-2),var(--ink))}
.section-head{max-width:680px;margin:0 0 clamp(34px,5vw,56px)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(1.85rem,4.6vw,2.9rem)}
.section-head p{color:var(--muted);font-size:1.05rem;margin-top:.9rem}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.92rem 1.7rem;border-radius:999px;font-weight:600;font-size:.98rem;
  cursor:pointer;border:1px solid transparent;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn--gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#1a1407;box-shadow:var(--shadow-gold)}
.btn--gold:hover{transform:translateY(-3px);box-shadow:0 18px 44px -12px rgba(201,162,75,.6)}
.btn--ghost{background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--text)}
.btn--ghost:hover{transform:translateY(-3px);border-color:var(--gold);background:var(--gold-soft)}
.btn--block{width:100%}

/* ---------- Header ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .3s ease,border-color .3s ease,padding .3s ease;
  border-bottom:1px solid transparent;padding:14px 0;
}
.header.scrolled{background:rgba(10,12,17,.82);backdrop-filter:blur(14px);border-bottom-color:var(--line);padding:8px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem;font-weight:700}
.brand img{height:56px;width:auto;border-radius:8px}
.brand b{font-family:var(--serif);font-size:1.05rem;letter-spacing:.02em;line-height:1.05}
.brand span{display:block;font-size:.6rem;letter-spacing:.22em;color:var(--gold-2);text-transform:uppercase;font-weight:600}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{position:relative;padding:.35rem 0;font-size:.82rem;font-weight:500;letter-spacing:.04em;
  text-transform:uppercase;color:var(--muted);transition:color .25s ease}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--gold-2);transform:scaleX(0);transform-origin:center;transition:transform .3s ease}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:.6rem}
.nav-phone{display:inline-flex;align-items:center;gap:.45rem;font-weight:600;color:var(--text)}
.nav-phone svg{color:var(--gold-2)}
.hamburger{display:none;background:none;border:1px solid var(--line-strong);border-radius:10px;width:44px;height:44px;cursor:pointer;color:var(--text);align-items:center;justify-content:center}
.hamburger svg{width:22px;height:22px}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:120px 0 70px;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 28%;filter:grayscale(.2) contrast(1.02)}
.hero__bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(7,9,13,.96) 0%,rgba(8,10,16,.86) 42%,rgba(8,10,16,.5) 100%),
             radial-gradient(120% 90% at 80% 10%,transparent,rgba(7,9,13,.85))}
.hero__glow{position:absolute;top:-15%;right:-10%;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,162,75,.22),transparent 65%);z-index:-1;filter:blur(8px)}
.hero__inner{max-width:760px}
.hero h1{font-size:clamp(2.3rem,6.4vw,4.4rem);line-height:1.04;letter-spacing:-.02em}
.hero h1 .serif{font-weight:700}
.hero p.lead{font-size:clamp(1.05rem,2.4vw,1.3rem);color:var(--muted);max-width:620px;margin:1.4rem 0 0}
.hero__badges{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.8rem 0 0}
.chip{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem .95rem;border:1px solid var(--line-strong);
  border-radius:999px;font-size:.85rem;color:var(--text);background:rgba(255,255,255,.03)}
.chip svg{color:var(--gold-2);width:16px;height:16px}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2.1rem}
.hero__cred{display:flex;align-items:center;gap:1rem;margin-top:2.4rem;color:var(--muted-2);font-size:.85rem}
.hero__cred img{height:46px;width:auto;opacity:.92;filter:brightness(1.05)}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{background:var(--ink-2);padding:1.6rem 1.2rem;text-align:center}
.stat b{display:block;font-family:var(--serif);font-size:clamp(1.8rem,4vw,2.6rem);color:var(--gold-2);line-height:1}
.stat span{display:block;margin-top:.45rem;font-size:.82rem;color:var(--muted);letter-spacing:.02em}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:linear-gradient(180deg,var(--surface),var(--ink-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;height:100%;
}
.card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.card .ic{width:50px;height:50px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--gold-soft);border:1px solid rgba(201,162,75,.3);color:var(--gold-2);margin-bottom:1.1rem}
.card .ic svg{width:24px;height:24px}
.card h3{font-size:1.18rem;margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.96rem;margin:0}

/* ---------- Split (qué es) ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
.split__media{position:relative}
.split__media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.split__media .tagimg{position:absolute;bottom:-18px;left:-18px;background:var(--gold);color:#1a1407;
  padding:.8rem 1.1rem;border-radius:14px;font-weight:700;font-size:.9rem;box-shadow:var(--shadow-gold);max-width:60%}
.split h2{font-size:clamp(1.7rem,4vw,2.5rem);margin-bottom:1rem}
.split p{color:var(--muted)}
.note{border-left:3px solid var(--gold);padding:.4rem 0 .4rem 1.1rem;color:var(--text);font-style:italic;margin:1.4rem 0}

/* ---------- Incluye / lista check ---------- */
.checklist{display:grid;gap:.85rem}
.checklist li{display:flex;gap:.8rem;align-items:flex-start;color:var(--text)}
.checklist .tick{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--gold-soft);
  border:1px solid rgba(201,162,75,.4);color:var(--gold-2);display:flex;align-items:center;justify-content:center;margin-top:.15rem}
.checklist .tick svg{width:15px;height:15px}
.checklist b{display:block}
.checklist span{color:var(--muted);font-size:.92rem}

/* ---------- Formato 85/15 ---------- */
.format{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.format__box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;position:relative;overflow:hidden}
.format__box .pct{font-family:var(--serif);font-size:3rem;color:var(--gold-2);line-height:1}
.format__box h3{margin:.4rem 0 .5rem;font-size:1.2rem}
.format__box p{color:var(--muted);margin:0;font-size:.95rem}
.bar{height:8px;border-radius:99px;background:var(--surface-2);overflow:hidden;margin-top:1.1rem}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-2))}

/* ---------- Instructores ---------- */
.teacher{display:grid;grid-template-columns:200px 1fr;gap:1.6rem;align-items:center;
  background:linear-gradient(180deg,var(--surface),var(--ink-2));border:1px solid var(--line);
  border-radius:var(--radius);padding:1.6rem;transition:border-color .3s,transform .3s}
.teacher:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.teacher img{width:200px;height:240px;object-fit:cover;object-position:top;border-radius:14px}
.teacher h3{font-size:1.35rem}
.teacher .role{color:var(--gold-2);font-size:.9rem;font-weight:600;margin:.2rem 0 .8rem}
.teacher p{color:var(--muted);font-size:.95rem;margin:0 0 1rem}
.tags{display:flex;flex-wrap:wrap;gap:.45rem}
.tag{font-size:.76rem;padding:.32rem .7rem;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted)}

/* ---------- Galería ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery a{position:relative;overflow:hidden;border-radius:14px;border:1px solid var(--line);aspect-ratio:1/1;display:block}
.gallery a.tall{grid-row:span 2;aspect-ratio:auto}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease,filter .4s}
.gallery a:hover img{transform:scale(1.07);filter:brightness(1.08)}
.gallery a::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,10,16,.4),transparent 55%);opacity:0;transition:opacity .3s}
.gallery a:hover::after{opacity:1}

/* ---------- Contacto ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,56px);align-items:start}
.contact__info .icrow{display:flex;gap:1rem;align-items:center;padding:1.05rem 0;border-bottom:1px solid var(--line)}
.contact__info .icrow:last-child{border-bottom:0}
.contact__info .ic{flex:0 0 auto;width:48px;height:48px;border-radius:13px;background:var(--gold-soft);
  border:1px solid rgba(201,162,75,.3);color:var(--gold-2);display:flex;align-items:center;justify-content:center}
.contact__info .ic svg{width:22px;height:22px}
.contact__info small{display:block;color:var(--muted-2);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em}
.contact__info b{font-size:1.08rem;font-weight:600}
.socials{display:flex;gap:.7rem;margin-top:1.4rem}
.socials a{width:46px;height:46px;border-radius:12px;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:var(--text);transition:.25s}
.socials a:hover{background:var(--gold-soft);border-color:var(--gold);color:var(--gold-2);transform:translateY(-3px)}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem}
.form label{display:block;font-size:.82rem;color:var(--muted);margin:0 0 .35rem;font-weight:600}
.form .field{margin-bottom:1.05rem}
.form input,.form textarea{
  width:100%;padding:.85rem 1rem;border-radius:12px;border:1px solid var(--line-strong);
  background:var(--ink);color:var(--text);font:inherit;font-size:16px;transition:border-color .2s,box-shadow .2s}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-soft)}
.form textarea{resize:vertical;min-height:120px}
.form .consent{font-size:.8rem;color:var(--muted-2);display:flex;gap:.5rem;align-items:flex-start;margin-bottom:1.1rem}
.form .consent input{width:auto;margin-top:.2rem}

/* ---------- CTA banda ---------- */
.cta-band{position:relative;border-radius:var(--radius);overflow:hidden;padding:clamp(40px,6vw,72px);text-align:center;
  background:linear-gradient(135deg,#171b27,#0d1018);border:1px solid var(--line-strong)}
.cta-band::before{content:"";position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:600px;height:400px;
  background:radial-gradient(circle,rgba(201,162,75,.2),transparent 60%)}
.cta-band h2{font-size:clamp(1.7rem,4.5vw,2.7rem);position:relative}
.cta-band p{color:var(--muted);max-width:540px;margin:1rem auto 1.8rem;position:relative}
.cta-band .hero__actions{justify-content:center;position:relative}

/* ---------- Footer ---------- */
.footer{background:var(--ink-2);border-top:1px solid var(--line);padding:64px 0 30px}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer__brand img{height:54px;margin-bottom:1rem;border-radius:10px}
.footer__brand p{color:var(--muted);font-size:.92rem;max-width:330px}
.footer h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;color:var(--gold-2);margin-bottom:1.1rem}
.footer ul li{margin-bottom:.6rem}
.footer ul a{color:var(--muted);font-size:.94rem;transition:color .2s}
.footer ul a:hover{color:var(--gold-2)}
.footer__bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:1rem;color:var(--muted-2);font-size:.83rem}
.footer__bottom a{color:var(--muted-2)}
.footer__bottom a:hover{color:var(--gold-2)}

/* ---------- FAB móvil ---------- */
.fab{position:fixed;right:16px;bottom:16px;z-index:55;display:none;gap:.6rem;flex-direction:column}
.fab a{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px -8px rgba(0,0,0,.6)}
.fab .call{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#1a1407}
.fab .wa{background:#25d366;color:#fff}
.fab svg{width:26px;height:26px}

/* ---------- Animación scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Mobile menu panel ---------- */
.mobile-menu{position:fixed;inset:0;z-index:70;background:rgba(8,10,16,.97);backdrop-filter:blur(8px);
  display:flex;flex-direction:column;padding:24px;transform:translateX(100%);transition:transform .35s ease;visibility:hidden}
.mobile-menu.open{transform:none;visibility:visible}
.mobile-menu__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}
.mobile-menu a.m-link{font-size:1.5rem;font-family:var(--serif);padding:.7rem 0;border-bottom:1px solid var(--line);color:var(--text)}
.mobile-menu .close{background:none;border:1px solid var(--line-strong);border-radius:10px;width:44px;height:44px;color:var(--text);cursor:pointer}
.mobile-menu__cta{margin-top:auto;display:grid;gap:.8rem}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .split{grid-template-columns:1fr}
  .split__media{order:-1}
  .contact{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav-links,.nav-phone{display:none}
  .nav-cta .btn--gold{display:none}            /* el CTA ya está en el menú móvil */
  .hamburger{display:flex}
  .header{padding:10px 0}
  .header.scrolled{padding:7px 0}
  .brand img{height:46px}
  .grid-3,.grid-2,.format{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .teacher{grid-template-columns:1fr;text-align:center}
  .teacher img{width:160px;height:190px;margin:0 auto}
  .teacher .tags{justify-content:center}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gallery a.tall{grid-row:span 1;aspect-ratio:1/1}
  .fab{display:flex}
  .footer__top{grid-template-columns:1fr}
  .footer ul a{display:inline-block;padding:.35rem 0}   /* área de toque mayor */
  .split__media .tagimg{position:static;max-width:none;margin-top:14px;display:inline-block}
  /* hero más compacto y botones a ancho completo */
  .hero{padding:104px 0 56px;min-height:auto}
  .hero__actions{width:100%}
  .hero__actions .btn{width:100%}
  .cta-band .hero__actions .btn{width:100%}
  .hero__cred{margin-top:1.8rem}
}
@media (max-width:420px){
  .grid-4{grid-template-columns:1fr}
  .hero__cred{flex-wrap:wrap}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
}