/* =============================================================
   Ingenierías ASL — página 1 (fusión con diseño de página 2)
   ============================================================= */

/* 1. Tokens */
:root{
  --bg:#0d1b2a; --bg-2:#10233a; --panel:#132b45; --panel-2:#0f2136;
  --ink:#eaf1f8; --muted:#9db2c9; --line:rgba(255,255,255,.10);
  --accent:#f5a524; --accent-2:#38bdf8; --orange:#f97316; --cream:#f7fafc;
  --sans:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --disp:'Sora',var(--sans);
  --ease-out:cubic-bezier(0.16,1,0.3,1);
  --wrap:1180px; --r:16px;
  color-scheme:only light;
}

/* 2. Reset & base */
*,*::before,*::after{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:var(--sans);font-size:16px;line-height:1.65;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:clip}
img,svg{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
a{color:inherit;text-decoration:none}
p{text-wrap:pretty}
h1,h2,h3{text-wrap:balance;line-height:1.06;letter-spacing:-.02em;font-family:var(--disp);font-weight:800}
::selection{background:var(--accent);color:#111}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* 3. Utilidades */
.wrap{width:min(100% - 2.4rem,var(--wrap));margin-inline:auto}
.skip-link{position:fixed;top:-100px;left:1rem;padding:.6rem 1rem;background:var(--cream);
  color:var(--bg);z-index:9999;border-radius:8px;font-weight:600}
.skip-link:focus{top:1rem}
.eyebrow{display:inline-block;font-weight:600;font-size:.78rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin-bottom:.7rem}
.h2{font-size:clamp(1.7rem,1rem + 2.4vw,2.7rem);margin-bottom:1rem}
.lead{font-size:1.12rem;color:#d5e2f0;margin-bottom:1rem}
.section p{color:var(--muted)}
/* Colores intercalados por sección */
.section{padding:clamp(3.5rem,2rem + 6vw,6.5rem) 0;background:#0d1b2a}
.section--alt{background:#0f2238}
.section__head{max-width:680px;margin-bottom:2.5rem}
.section__head--sub{margin-top:3.5rem}

/* 4. Nav */
.nav{position:sticky;top:0;z-index:100;backdrop-filter:blur(10px);
  background:rgba(13,27,42,.72);border-bottom:1px solid var(--line);transition:background .3s}
.nav.is-scrolled{background:rgba(9,19,30,.92)}
.nav__in{width:min(100% - 2.4rem,var(--wrap));margin-inline:auto;display:flex;align-items:center;
  justify-content:space-between;height:68px}
.nav__brand{display:flex;align-items:center;gap:.6rem;font-family:var(--disp);font-weight:700;font-size:1.05rem}
.nav__brand img{width:44px;height:44px}
.nav__brand b{color:var(--accent)}
.nav__links{display:flex;align-items:center;gap:.4rem}
.nav__links a{padding:.5rem .8rem;border-radius:9px;color:var(--muted);font-weight:500;
  font-size:.95rem;transition:color .2s,background .2s}
.nav__links a:hover{color:var(--ink);background:rgba(255,255,255,.06)}
.nav__cta{background:var(--accent);color:#111!important;font-weight:600}
.nav__cta:hover{background:#ffb63e!important}
.nav__toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav__toggle span{width:24px;height:2px;background:var(--ink);border-radius:0;transition:.3s}

/* 5. Botones */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.4rem;border-radius:12px;
  font-weight:600;font-size:.98rem;transition:transform .2s var(--ease-out),background .2s,box-shadow .2s}
.btn--primary{background:var(--accent);color:#111;box-shadow:0 8px 26px -10px rgba(245,165,36,.7)}
.btn--primary:hover{background:#ffb63e;transform:translateY(-2px)}
.btn--ghost{border:1px solid var(--line);color:var(--ink)}
.btn--ghost:hover{background:rgba(255,255,255,.07);transform:translateY(-2px)}
/* Contactar: relleno con el color del encabezado (#0d1b2a) */
.btn--dark{background:#0d1b2a;color:#fff;border:1px solid rgba(255,255,255,.22);
  box-shadow:0 8px 26px -12px rgba(0,0,0,.75)}
.btn--dark:hover{background:#12233a;transform:translateY(-2px)}

/* 6. Portada — imagen visible (como la foto del chico en v1), texto centro-izquierda */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden}
/* Imagen fija mientras se hace scroll (efecto parallax como la original) */
.hero__bg{position:fixed;top:0;left:0;width:100vw;height:100vh;object-fit:cover;object-position:center;z-index:-1;
  filter:brightness(1.12) contrast(1.03) saturate(1.06)}
/* Filtro de color #0f2238 al 20% de transparencia (80% opacidad) sobre la imagen */
.hero__overlay{position:absolute;inset:0;z-index:1;background:rgba(15,34,56,.80)}
.hero__title,.hero__kicker,.hero__sub{text-shadow:0 2px 18px rgba(6,14,24,.55)}
.hero__in{position:relative;z-index:2;width:min(100% - 2.4rem,var(--wrap));margin-inline:auto;padding:6rem 0;
  padding-left:clamp(0rem,8vw,9rem)}
.hero__kicker{color:var(--accent);font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  font-size:clamp(1.05rem,.8rem + 1vw,1.5rem);margin-bottom:1.5rem;font-family:var(--disp)}
.hero__title{font-size:clamp(1.5rem,7vw,4.5rem);font-weight:800;letter-spacing:-.03em;color:#fff;white-space:nowrap}
.hero__sub{max-width:46ch;margin:2.25rem 0 4rem;font-size:1.15rem;color:#eaf2fb}
.hero__actions{display:flex;gap:.9rem;flex-wrap:wrap}


/* 7. Quién soy (diseño p2, fondo p1) */
.grid-about{display:grid;gap:clamp(2rem,1rem + 3vw,3.5rem);align-items:center}
@media(min-width:960px){.grid-about{grid-template-columns:minmax(220px,340px) 1fr}}
.about__photo{justify-self:center}
.about__photo img{max-height:440px;width:auto;max-width:100%;object-fit:contain;
  filter:drop-shadow(0 26px 34px rgba(0,0,0,.55))}
.chips{display:flex;flex-wrap:wrap;gap:.6rem;list-style:none;margin-top:1.2rem;padding:0}
.chips li{padding:.55rem 1rem;border:1px solid var(--line);border-radius:999px;
  background:var(--panel);font-size:.9rem;font-weight:500;color:#d3e1f0}

/* 8. Áreas (diseño p2, fondo p1) */
.areas{display:grid;gap:1.1rem}
@media(min-width:720px){.areas{grid-template-columns:repeat(3,1fr)}}
.area{position:relative;display:flex;align-items:flex-end;min-height:340px;border-radius:var(--r);
  overflow:hidden;isolation:isolate;color:#fff;border:1px solid var(--line)}
.area__img{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover;
  transition:transform .6s var(--ease-out)}
.area::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(0deg,rgba(7,17,28,.94) 0%,rgba(7,17,28,.3) 60%,rgba(7,17,28,.15) 100%)}
.area:hover .area__img{transform:scale(1.06)}
.area__body{padding:1.4rem}
.area__body h3{font-size:1.25rem;margin-bottom:.4rem}
.area__body p{font-size:.94rem;color:#dce9f5;margin-bottom:.7rem}
.area__go{color:var(--accent);font-weight:600;font-size:.92rem}

/* 9. Servicios (diseño p2 sobre fondo p1) */
.cards{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{padding:1.5rem;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  transition:transform .25s var(--ease-out),border-color .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);border-color:rgba(245,165,36,.5);
  box-shadow:0 18px 40px -22px rgba(0,0,0,.8)}
.card::before{content:"";display:block;width:34px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--orange),var(--accent));margin-bottom:.9rem}
.card h3{font-size:1.08rem;margin-bottom:.4rem;color:#fff}
.card p{font-size:.95rem}

/* 10. Franja con carrusel de frases */
.band{position:relative;padding:clamp(4rem,3rem + 6vw,7rem) 0;isolation:isolate;overflow:hidden}
.band__img{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover}
.band::after{content:"";position:absolute;inset:0;z-index:-1;background:rgba(13,27,42,.78)}
.quotes{position:relative;min-height:7.5em}
.quote{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  color:#fff;font-size:clamp(1.5rem,1rem + 2.4vw,2.5rem);max-width:24ch;
  opacity:0;transform:translateY(14px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);
  pointer-events:none}
.quote.is-active{opacity:1;transform:none}

/* 11. Galería (p1) */
.gallery{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.ph{position:relative;border-radius:var(--r);overflow:hidden;cursor:zoom-in;
  border:1px solid var(--line);background:var(--panel)}
.ph img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .5s var(--ease-out)}
.ph figcaption{position:absolute;inset:auto 0 0 0;padding:.44em .72em;font-size:.9rem;text-align:center;
  line-height:1.325;font-weight:600;color:#fff;background:rgba(0,0,0,.5);border-radius:10px 10px 0 0}
.ph:hover img{transform:scale(1.07)}

/* 12. Planos (diseño p2, bungalows centrado en 2ª fila) */
.docs{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.doc{display:flex;align-items:center;gap:1rem;padding:1.1rem 1.2rem;border:1px solid var(--line);
  border-radius:var(--r);background:var(--panel);transition:transform .2s,border-color .2s,background .2s}
.doc:hover{transform:translateY(-3px);border-color:rgba(56,189,248,.5);background:var(--panel-2)}
.doc__ic{flex:none;width:44px;height:44px;display:grid;place-items:center;border-radius:10px;
  background:rgba(245,165,36,.16);color:var(--accent);font-weight:700;font-size:.8rem}
.doc__t{flex:1;font-weight:500;font-size:.96rem;color:#e6eefa}
.doc__go{flex:none;color:var(--accent-2);font-weight:600;font-size:.9rem}
@media(min-width:960px){
  .docs--3{grid-template-columns:repeat(3,1fr)}
  .doc--center{grid-column:2;grid-row:2}
}

/* 13. Contacto (p1) + QR descargable */
.grid-2{display:grid;gap:clamp(2rem,1rem + 4vw,4rem);align-items:center}
@media(min-width:960px){.grid-2{grid-template-columns:1.1fr .9fr}}
/* Contacto: QR alineado con la fila "Email" (parte superior) */
.grid-contact{align-items:start}
.grid-contact .contact{margin-top:0}
.contact{list-style:none;margin:1.5rem 0;display:grid;gap:1rem;padding:0}
.contact li{display:grid;gap:.15rem;padding-bottom:1rem;border-bottom:1px solid var(--line)}
.contact li span{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.contact li a{font-weight:500;color:#e6eefa;word-break:break-word}
.contact li .contact__val{font-size:1rem;letter-spacing:normal;text-transform:none;
  font-weight:500;color:#e6eefa;word-break:break-word;margin:0}
.contact li a:hover{color:var(--accent-2)}
.contact__btns{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}
.qr{display:block;text-align:center;padding:2rem;border:2px dashed rgba(245,165,36,.5);
  border-radius:var(--r);background:var(--panel);transition:border-color .2s,transform .2s}
.qr:hover{border-color:var(--accent);transform:translateY(-3px)}
.qr img{width:200px;height:200px;margin:0 auto .9rem;border-radius:10px}
.qr p{font-size:.92rem;color:var(--muted)}
.qr b{color:#fff}

/* 14. Pie (p1) — color intercalado tras Contacto (#0f2238) => #0d1b2a */
.foot{border-top:1px solid var(--line);padding:2rem 0;background:#0d1b2a}
.foot__in{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.88rem;color:var(--muted)}

/* 15. Aparición al hacer scroll (fade + subida) */
.reveal,[data-reveal-group]>*{opacity:0;transform:translateY(30px);
  transition:opacity .9s var(--ease-out),transform .9s var(--ease-out);will-change:opacity,transform}
[data-reveal-group]>*{transition-delay:calc(var(--i,0)*80ms)}
.is-in.reveal,[data-reveal-group].is-in>*{opacity:1;transform:none}
/* Si JS no llega a marcar (fallback), nunca dejar contenido invisible */
.no-js .reveal,.no-js [data-reveal-group]>*{opacity:1;transform:none}

/* 16. Lightbox */
.lb{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;
  background:rgba(5,11,19,.94);backdrop-filter:blur(6px);padding:2rem}
.lb[hidden]{display:none}
.lb__fig{max-width:min(1100px,92vw);text-align:center}
.lb__fig img{max-height:80vh;width:auto;max-width:100%;margin:0 auto;border-radius:12px}
.lb__fig figcaption{margin-top:1rem;color:#dbe7f4;font-weight:600}
.lb__close{position:fixed;top:1.1rem;right:1.4rem;font-size:2.2rem;color:#fff;line-height:1;width:48px;height:48px}
.lb__nav{position:fixed;top:50%;transform:translateY(-50%);font-size:2.6rem;color:#fff;
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.08);transition:background .2s}
.lb__nav:hover{background:rgba(255,255,255,.2)}
.lb__prev{left:1rem}.lb__next{right:1rem}

/* 17. Móvil */
@media(max-width:840px){
  /* ESTADO 1 (arriba): MISMO aspecto que el encabezado de escritorio
     (semitransparente rgba(13,27,42,.72) + desenfoque + línea fina heredados).
     Solo se añade el relleno de la zona segura para extenderse hasta el borde. */
  .nav{padding-top:env(safe-area-inset-top)}
  /* ESTADO 2 (al hacer scroll): oscuro sólido, abarca desde su línea inferior
     hasta el borde superior de la pantalla (sobre la hora). */
  .nav.is-scrolled{background:#0d1b2a}
  .nav__toggle{display:flex}
  .nav__links{position:fixed;top:calc(68px + env(safe-area-inset-top));left:0;right:0;bottom:auto;
    flex-direction:column;align-items:stretch;
    gap:0;background:rgba(9,19,30,.98);border-bottom:1px solid var(--line);padding:.6rem 1.2rem 1.2rem;
    transform:translateY(-130%);transition:transform .35s var(--ease-out);max-height:80vh;overflow:auto}
  .nav.is-open .nav__links{transform:none}
  .nav__links a{padding:.9rem .6rem;border-bottom:1px solid var(--line)}
  .nav__cta{text-align:center;margin-top:.6rem;border-radius:10px}
  .nav.is-open .nav__toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav.is-open .nav__toggle span:nth-child(2){opacity:0}
  .nav.is-open .nav__toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero__in{padding-left:0}
  .area{min-height:260px}
  .quotes{min-height:9.5em}
  .foot__in{flex-direction:column;gap:.4rem}
}

/* Móvil: galerías, áreas y servicios a 2 columnas (mitad de tamaño) */
@media(max-width:640px){
  .gallery{grid-template-columns:1fr 1fr;gap:.6rem}
  .ph figcaption{font-size:.66rem;padding:.435em .68em;inset:auto 0 0 0;border-radius:8px 8px 0 0}
  .areas{grid-template-columns:1fr 1fr;gap:.6rem}
  .area{min-height:150px}
  .area__body{padding:.75rem}
  .area__body h3{font-size:.95rem;margin-bottom:.2rem}
  .area__body p{font-size:.72rem;margin-bottom:.4rem}
  .area__go{font-size:.72rem}
  .cards{grid-template-columns:1fr 1fr;gap:.6rem}
  .card{padding:.85rem}
  .card::before{width:26px;margin-bottom:.55rem}
  .card h3{font-size:.86rem}
  .card p{font-size:.74rem}
}

/* 18. Reduced motion — solo efectos intrusivos */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,[data-reveal-group]>*{opacity:1;transform:none;transition:none}
  .quote{transition:none}
}