/* =========================================================================
   TESORO ESTUDIO — hoja de estilos principal
   Paleta: porcelana cálida + esmeralda profundo + oro antiguo (la "joya")
   Tipografías: Fraunces (display) · Mulish (texto)
   ========================================================================= */

/* ----------------------------- Tokens ---------------------------------- */
:root{
  --bg:#faf6ef;          /* fondo porcelana cálido */
  --surface:#f1eadd;     /* panel lino */
  --surface-2:#ebe2d2;
  --ink:#1c1a16;         /* texto principal */
  --ink-soft:#3a342c;
  --muted:#6f665a;       /* texto secundario */
  --brand:#1e3d32;       /* esmeralda profundo */
  --brand-2:#2e5848;
  --brand-ink:#16261f;
  --gold:#bf9b30;        /* oro antiguo, acento */
  --gold-deep:#9e7e1e;
  --line:#e3d9c8;        /* hairlines */
  --line-dark:rgba(250,246,239,.16);
  --cream:#faf6ef;

  --shadow-sm:0 2px 10px rgba(28,26,22,.06);
  --shadow-md:0 18px 50px -22px rgba(28,26,22,.35);
  --shadow-lg:0 40px 90px -40px rgba(22,38,31,.55);

  --maxw:1200px;
  --gutter:clamp(20px,5vw,64px);
  --radius:14px;
  --radius-lg:22px;

  --ff-display:"Fraunces",Georgia,"Times New Roman",serif;
  --ff-body:"Mulish",system-ui,-apple-system,"Segoe UI",sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ------------------------------ Reset ---------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--ff-body);
  font-size:clamp(16px,.4vw + 15px,18px);
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2.5px solid var(--gold);outline-offset:3px;border-radius:4px}
::selection{background:var(--gold);color:#1a1505}

/* íconos de línea */
.ico{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
  width:1.25em;height:1.25em;flex:none}
.ico-fill{width:1.25em;height:1.25em;flex:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* --------------------------- Tipografía -------------------------------- */
h1,h2,h3,h4{
  font-family:var(--ff-display);
  font-weight:430;
  line-height:1.06;
  letter-spacing:-.012em;
  color:var(--brand-ink);
  margin:0;
  font-optical-sizing:auto;
}
h1{font-size:clamp(2.6rem,6.4vw,5rem)}
h2{font-size:clamp(2rem,4.4vw,3.3rem)}
h3{font-size:clamp(1.35rem,2.2vw,1.8rem)}
p{margin:0 0 1.1em}
.lead{font-size:clamp(1.1rem,1.4vw,1.32rem);color:var(--ink-soft);line-height:1.6}
.serif-italic{font-family:var(--ff-display);font-style:italic;font-weight:430}
.text-gold{color:var(--gold-deep)}

/* eyebrow / kicker */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--ff-body);
  font-size:.74rem;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-deep);
  margin:0 0 1.1rem;
}
.eyebrow::before{
  content:"";width:26px;height:1px;background:var(--gold);
  display:inline-block;opacity:.8;
}
.eyebrow.is-light{color:var(--gold)}
.eyebrow.is-centered{justify-content:center}

/* --------------------------- Layout base ------------------------------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(64px,9vw,128px)}
.section--tight{padding-block:clamp(48px,6vw,84px)}
.section--surface{background:var(--surface)}
.section--brand{background:var(--brand);color:#efe8da}
.section-head{max-width:46rem}
.section-head.is-centered{margin-inline:auto;text-align:center}
.section-head .lead{margin-top:1.1rem}

/* --------------------------- Botones ----------------------------------- */
.btn{
  --bg:var(--brand);--fg:#f6f1e7;
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.9rem 1.55rem;
  font-family:var(--ff-body);font-weight:700;font-size:.92rem;letter-spacing:.02em;
  color:var(--fg);background:var(--bg);
  border:1.5px solid transparent;border-radius:100px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),
             background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);
  will-change:transform;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(22,38,31,.6)}
.btn:active{transform:translateY(0)}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

.btn--gold{--bg:var(--gold);--fg:#1c1505}
.btn--gold:hover{--bg:#cda93b;box-shadow:0 14px 30px -14px rgba(159,126,30,.7)}

.btn--ghost{--bg:transparent;--fg:var(--brand-ink);border-color:var(--line)}
.btn--ghost:hover{--bg:transparent;border-color:var(--gold);color:var(--gold-deep)}

.btn--light{--bg:#f6f1e7;--fg:var(--brand-ink)}
.btn--outline-light{--bg:transparent;--fg:#f3ecdd;border-color:var(--line-dark)}
.btn--outline-light:hover{border-color:var(--gold);color:#fff}

.btn--lg{padding:1.05rem 1.9rem;font-size:.97rem;letter-spacing:.025em}
.btn--block{display:flex;width:100%}

/* link con subrayado dorado */
.link-u{
  position:relative;font-weight:700;color:var(--brand-ink);
  padding-bottom:2px;
}
.link-u::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:100%;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
.link-u:hover::after{transform:scaleX(1)}

/* --------------------- Sello de marca: la gema ------------------------- */
.gem{display:inline-block;color:var(--gold)}
.divider{display:flex;align-items:center;gap:1.2rem;justify-content:center;color:var(--gold)}
.divider::before,.divider::after{
  content:"";height:1px;width:min(120px,18vw);
  background:linear-gradient(90deg,transparent,var(--line) 40%,var(--gold));
}
.divider::after{background:linear-gradient(90deg,var(--gold),var(--line) 60%,transparent)}
.divider .gem svg{width:26px;height:32px;display:block}
.divider.on-dark::before{background:linear-gradient(90deg,transparent,var(--line-dark) 40%,var(--gold))}
.divider.on-dark::after{background:linear-gradient(90deg,var(--gold),var(--line-dark) 60%,transparent)}

/* ============================== HEADER ================================= */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background .4s var(--ease),box-shadow .4s var(--ease),
             border-color .4s var(--ease),backdrop-filter .4s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(250,246,239,.85);
  backdrop-filter:saturate(140%) blur(12px);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-sm);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  height:74px;
}
.brand{display:inline-flex;align-items:center;gap:.7rem;color:#f3ecdd;transition:color .4s var(--ease)}
.is-scrolled .brand,.nav--solid .brand{color:var(--brand-ink)}
.brand__gem{width:26px;height:32px;color:var(--gold);flex:none}
.brand__name{font-family:var(--ff-display);font-weight:500;font-size:1.32rem;letter-spacing:.01em;line-height:1}
.brand__name small{display:block;font-family:var(--ff-body);font-weight:700;
  font-size:.56rem;letter-spacing:.42em;text-transform:uppercase;opacity:.72;margin-top:3px}

.nav__links{display:flex;align-items:center;gap:.05rem;list-style:none;margin:0;padding:0}
.nav__links a{
  position:relative;display:inline-block;padding:.48rem .72rem;border-radius:100px;
  font-weight:600;font-size:.86rem;color:#eadfce;white-space:nowrap;
  transition:color .3s var(--ease),background .3s var(--ease);
}
.is-scrolled .nav__links a,.nav--solid .nav__links a{color:var(--ink-soft)}
.nav__links a::after{
  content:"";position:absolute;left:.72rem;right:.72rem;bottom:.28rem;height:1.5px;
  background:var(--gold);transform:scaleX(0);transform-origin:center;
  transition:transform .35s var(--ease);
}
.nav__links a:hover::after,.nav__links a.active::after{transform:scaleX(1)}
.nav__links a:hover{color:#fff}
.is-scrolled .nav__links a:hover,.nav--solid .nav__links a:hover{color:var(--brand-ink)}

.nav__cta{display:flex;align-items:center;gap:.5rem}
.nav__cta .btn{padding:.58rem 1.05rem;font-size:.84rem}

/* ghost button visible sobre fondo oscuro (header sin scroll) */
.site-header:not(.is-scrolled) .btn--ghost{
  --fg:#e8dfc8;border-color:rgba(250,246,239,.28);
}
.site-header:not(.is-scrolled) .btn--ghost:hover{
  border-color:var(--gold);color:var(--gold);
}

/* burger */
.burger{
  display:none;flex-direction:column;gap:5px;width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-dark);border-radius:12px;
}
.is-scrolled .burger,.nav--solid .burger{border-color:var(--line)}
.burger span{display:block;width:20px;height:2px;background:#efe6d5;border-radius:2px;
  transition:transform .35s var(--ease),opacity .25s var(--ease),background .4s var(--ease)}
.is-scrolled .burger span,.nav--solid .burger span{background:var(--ink)}
body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* menú mobile */
.mobile-menu{
  position:fixed;inset:0;z-index:55;
  background:var(--brand);color:#efe8da;
  display:flex;flex-direction:column;justify-content:center;
  padding:6rem var(--gutter) 3rem;
  transform:translateY(-100%);
  transition:transform .55s var(--ease);
  visibility:hidden;
}
body.menu-open .mobile-menu{transform:translateY(0);visibility:visible}
.mobile-menu a{
  font-family:var(--ff-display);font-size:clamp(1.8rem,7vw,2.6rem);font-weight:430;
  padding:.45rem 0;border-bottom:1px solid var(--line-dark);
  display:flex;align-items:baseline;justify-content:space-between;gap:1rem;
}
.mobile-menu a span{font-family:var(--ff-body);font-size:.8rem;color:var(--gold);
  font-weight:700;letter-spacing:.04em}
.mobile-menu .mm-cta{margin-top:2rem;display:flex;gap:.8rem;flex-wrap:wrap}

/* =============================== HERO ================================== */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:flex-end;
  color:#f6f1e7;overflow:hidden;isolation:isolate;
}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(120% 90% at 80% 10%,rgba(30,61,50,.15),transparent 60%),
    linear-gradient(180deg,rgba(20,30,25,.35) 0%,rgba(20,30,25,.15) 35%,rgba(18,28,23,.78) 100%);
}
.hero__inner{padding-block:clamp(3rem,8vh,7rem) clamp(2.5rem,6vh,5rem);width:100%}
.hero__eyebrow{color:#f2e8d2;opacity:.95}
.hero h1{color:#fbf7ef;max-width:16ch;margin-bottom:1.4rem}
.hero h1 em{color:#f0d488;font-style:italic}
.hero__sub{max-width:48ch;font-size:clamp(1.05rem,1.5vw,1.3rem);color:#efe7d8;line-height:1.55;margin-bottom:2rem}
.hero__cta{display:flex;gap:.9rem;flex-wrap:wrap}
.hero__scroll{
  position:absolute;right:var(--gutter);bottom:2rem;z-index:2;
  display:flex;align-items:center;gap:.6rem;font-size:.72rem;letter-spacing:.18em;
  text-transform:uppercase;color:#e9dfcd;opacity:.85;writing-mode:vertical-rl;
}
.hero__scroll .line{width:1px;height:46px;background:linear-gradient(var(--gold),transparent);
  animation:scrollline 2.4s var(--ease) infinite}
@keyframes scrollline{0%{transform:scaleY(.2);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}
  50.1%{transform-origin:bottom}100%{transform:scaleY(.2);transform-origin:bottom}}

/* tira de confianza bajo hero */
.trust{
  background:var(--brand);color:#d8cdb8;border-top:1px solid var(--line-dark);
}
.trust__row{display:flex;flex-wrap:wrap;gap:clamp(1rem,4vw,3rem);
  align-items:center;justify-content:space-between;padding-block:1.3rem}
.trust__item{display:flex;align-items:center;gap:.6rem;font-size:.9rem;font-weight:600}
.trust__item .gem svg{width:16px;height:20px}

/* ============================== NOSOTROS =============================== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.split--reverse .split__media{order:2}
.split__media{position:relative}
.split__media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;
  aspect-ratio:4/5;object-fit:cover}
.split__media .badge{
  position:absolute;left:-18px;bottom:28px;
  background:var(--bg);border:1px solid var(--line);border-radius:16px;
  padding:1rem 1.2rem;box-shadow:var(--shadow-md);max-width:230px;
}
.split__media .badge strong{font-family:var(--ff-display);font-size:1.9rem;color:var(--brand);
  display:block;line-height:1}
.split__media .badge span{font-size:.82rem;color:var(--muted)}
.about-stats{display:flex;gap:2.4rem;margin-top:2rem;flex-wrap:wrap}
.about-stats .num{font-family:var(--ff-display);font-size:2.1rem;color:var(--brand);line-height:1}
.about-stats .lbl{font-size:.82rem;color:var(--muted);letter-spacing:.02em}

/* =========================== FOTOGRAFÍA ESCOLAR ======================== */
.escolar-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4.5rem);align-items:end}
.escolar-imgs{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:end}
.escolar-imgs img{border-radius:var(--radius);box-shadow:var(--shadow-md);object-fit:cover;width:100%}
.escolar-imgs img:first-child{aspect-ratio:4/3;align-self:start;margin-top:2.2rem}
.escolar-imgs img:last-child{aspect-ratio:3/4}

/* pasos */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;margin-top:clamp(2.5rem,5vw,4rem);
  counter-reset:step}
.step{position:relative;padding-top:1.6rem;border-top:1px solid var(--line)}
.step__n{font-family:var(--ff-display);font-size:1.05rem;color:var(--gold-deep);
  display:flex;align-items:center;gap:.5rem;margin-bottom:.6rem;font-weight:500}
.step__n::before{counter-increment:step;content:"0" counter(step);
  font-size:.8rem;letter-spacing:.05em}
.step h3{font-size:1.18rem;margin-bottom:.4rem}
.step p{font-size:.92rem;color:var(--muted);margin:0}
.section--brand .step{border-top-color:var(--line-dark)}
.section--brand .step h3{color:#f2ecdd}
.section--brand .step p{color:#c9bda7}

/* features escolar */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:2.6rem}
.feature{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem 1.5rem;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.section--surface .feature{background:#fbf8f1}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#dcceb4}
.feature__ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:rgba(191,155,48,.12);color:var(--gold-deep);margin-bottom:1rem}
.feature__ic svg{width:22px;height:22px}
.feature h3{font-size:1.16rem;margin-bottom:.4rem}
.feature p{font-size:.92rem;color:var(--muted);margin:0}

/* ============================== SERVICIOS ============================== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:2.8rem}
.svc{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.8rem;background:var(--bg);overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.svc::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--gold),transparent);transform:scaleX(0);
  transform-origin:left;transition:transform .45s var(--ease)}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.svc:hover::before{transform:scaleX(1)}
.svc h3{margin-bottom:.5rem}
.svc p{font-size:.94rem;color:var(--muted);margin:0}
.svc__tag{font-family:var(--ff-body);font-size:.72rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold-deep);margin-bottom:.9rem;display:block}

/* =============================== GALERÍA ============================== */
.gallery{columns:3;column-gap:14px;margin-top:2.6rem}
.gallery__item{
  break-inside:avoid;margin-bottom:14px;position:relative;border-radius:12px;overflow:hidden;
  cursor:zoom-in;background:var(--surface-2);box-shadow:var(--shadow-sm);
  display:block;width:100%;border:0;padding:0;
}
.gallery__item img{width:100%;transition:transform .7s var(--ease),filter .5s var(--ease);
  filter:saturate(1.02)}
.gallery__item::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(22,38,31,.5));
  opacity:0;transition:opacity .4s var(--ease);
}
.gallery__item:hover img{transform:scale(1.05)}
.gallery__item:hover::after{opacity:1}
.gallery__zoom{
  position:absolute;right:12px;bottom:12px;z-index:2;width:38px;height:38px;border-radius:50%;
  background:rgba(250,246,239,.92);display:grid;place-items:center;color:var(--brand);
  opacity:0;transform:translateY(8px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.gallery__item:hover .gallery__zoom{opacity:1;transform:translateY(0)}
.gallery__zoom svg{width:18px;height:18px}

/* lightbox */
.lightbox{
  position:fixed;inset:0;z-index:90;background:rgba(16,22,18,.92);
  display:flex;align-items:center;justify-content:center;padding:4vw;
  opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s;
  backdrop-filter:blur(4px);
}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:92vw;max-height:86vh;border-radius:10px;box-shadow:var(--shadow-lg);
  transform:scale(.96);transition:transform .4s var(--ease)}
.lightbox.open img{transform:scale(1)}
.lightbox__close,.lightbox__nav{
  position:absolute;background:rgba(250,246,239,.12);border:1px solid rgba(250,246,239,.22);
  color:#f6f1e7;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;
  transition:background .3s var(--ease),transform .3s var(--ease)}
.lightbox__close:hover,.lightbox__nav:hover{background:rgba(250,246,239,.25)}
.lightbox__close{top:4vw;right:4vw}
.lightbox__nav{top:50%;transform:translateY(-50%)}
.lightbox__nav.prev{left:3vw}
.lightbox__nav.next{right:3vw}
.lightbox__nav:hover{transform:translateY(-50%) scale(1.06)}
.lightbox svg{width:22px;height:22px}
.lightbox__counter{position:absolute;bottom:4vw;left:50%;transform:translateX(-50%);
  color:#d9cfbd;font-size:.85rem;letter-spacing:.1em}

/* ========================= ACCESO POR CÓDIGO (teaser) ================== */
.access{position:relative;overflow:hidden}
.access__card{
  background:var(--brand);color:#efe8da;border-radius:var(--radius-lg);
  padding:clamp(2rem,5vw,3.5rem);display:grid;grid-template-columns:1.2fr .8fr;gap:2.5rem;
  align-items:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.access__card::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(191,155,48,.22),transparent 70%);
}
.access__card h2{color:#fbf7ef}
.access__card .lead{color:#d6cab4}
.access__form{display:flex;flex-direction:column;gap:.8rem;position:relative;z-index:1}
.access__form label{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);font-weight:700}
.code-input{
  display:flex;gap:.6rem;background:rgba(250,246,239,.06);
  border:1px solid rgba(250,246,239,.2);border-radius:14px;padding:.5rem;
}
.code-input input{
  flex:1;background:transparent;border:0;color:#fbf7ef;
  font-family:var(--ff-display);font-size:1.3rem;letter-spacing:.18em;
  text-transform:uppercase;padding:.6rem .8rem;min-width:0;
}
.code-input input::placeholder{color:rgba(250,246,239,.4);letter-spacing:.14em}
.code-input input:focus{outline:none}
.access__hint{font-size:.85rem;color:#c0b59f;margin:0}

/* =============================== CONTACTO ============================= */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4.5rem)}
.contact__info p{color:var(--muted)}
.contact__chips{display:flex;flex-direction:column;gap:.9rem;margin-top:1.6rem}
.chip{
  display:flex;align-items:center;gap:1rem;padding:1rem 1.2rem;
  background:var(--bg);border:1px solid var(--line);border-radius:14px;
  transition:border-color .35s var(--ease),transform .35s var(--ease)}
.section--surface .chip{background:#fbf8f1}
.chip:hover{border-color:var(--gold);transform:translateX(4px)}
.chip__ic{width:42px;height:42px;border-radius:11px;background:var(--brand);color:#f0d488;
  display:grid;place-items:center;flex:none}
.chip__ic svg{width:20px;height:20px}
.chip b{display:block;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  font-weight:700;margin-bottom:1px}
.chip span{font-size:1.02rem;color:var(--ink);font-weight:600}

.form{display:grid;gap:1rem}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{font-size:.82rem;font-weight:700;color:var(--ink-soft)}
.field input,.field textarea,.field select{
  font-family:inherit;font-size:1rem;color:var(--ink);
  background:var(--bg);border:1px solid var(--line);border-radius:12px;
  padding:.85rem 1rem;transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.section--surface .field input,.section--surface .field textarea,.section--surface .field select{background:#fff}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(191,155,48,.16)}
.form__note{font-size:.82rem;color:var(--muted);margin:0}

/* =============================== FOOTER =============================== */
.footer{background:var(--brand-ink);color:#cdc2ad;padding-block:clamp(3rem,6vw,4.5rem) 2rem}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.footer .brand{color:#f3ecdd;margin-bottom:1rem}
.footer__desc{font-size:.92rem;color:#b6ab95;max-width:30ch}
.footer h4{font-family:var(--ff-body);font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);margin-bottom:1.1rem;font-weight:700}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.footer ul a{color:#cdc2ad;font-size:.95rem;transition:color .3s var(--ease)}
.footer ul a:hover{color:#fff}
.footer__social{display:flex;gap:.6rem;margin-top:.4rem}
.footer__social a{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-dark);
  display:grid;place-items:center;color:#e3d9c5;transition:border-color .3s var(--ease),
  background .3s var(--ease),color .3s var(--ease)}
.footer__social a:hover{border-color:var(--gold);background:rgba(191,155,48,.14);color:#fff}
.footer__social svg{width:18px;height:18px}
.footer__bottom{margin-top:2.6rem;padding-top:1.6rem;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;
  font-size:.84rem;color:#9d9279}
.footer__bottom a:hover{color:#fff}

/* ============================ WHATSAPP FAB ============================ */
.wa-fab{
  position:fixed;right:clamp(16px,3vw,28px);bottom:clamp(16px,3vw,28px);z-index:70;
  width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;
  display:grid;place-items:center;box-shadow:0 14px 30px -10px rgba(37,211,102,.6);
  transition:transform .35s var(--ease);
}
.wa-fab:hover{transform:scale(1.08) translateY(-2px)}
.wa-fab svg{width:30px;height:30px}
.wa-fab::after{content:"";position:absolute;inset:0;border-radius:50%;
  box-shadow:0 0 0 0 rgba(37,211,102,.5);animation:wapulse 2.6s infinite}
@keyframes wapulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.45)}
  70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ====================== PÁGINA DESCARGAS (acceso) ===================== */
.page-pad{padding-top:74px}
.access-page{min-height:calc(100svh - 74px);display:flex;align-items:center;
  background:linear-gradient(180deg,var(--brand) 0%,var(--brand-ink) 100%);color:#efe8da;
  padding-block:clamp(3rem,8vw,6rem)}
.access-page .container{width:100%}
.access-box{max-width:560px;margin-inline:auto;text-align:center}
.access-box h1{color:#fbf7ef;font-size:clamp(2.2rem,5vw,3.4rem);margin-bottom:1rem}
.access-box .lead{color:#d4c8b2;margin-bottom:2rem}
.access-box .code-input{margin-bottom:1rem;text-align:left}
.access-box .code-input input{font-size:clamp(1.3rem,4vw,1.7rem);text-align:center;letter-spacing:.32em}
.access-msg{min-height:1.4em;font-size:.95rem;font-weight:600;margin:.4rem 0 1rem}
.access-msg.error{color:#ffb4a0}
.access-msg.ok{color:#9fe0a8}
.access-help{font-size:.86rem;color:#bdb29c;margin-top:1.6rem}
.access-help a{color:var(--gold);font-weight:700}
.spinner{width:18px;height:18px;border:2.5px solid rgba(250,246,239,.3);
  border-top-color:#fbf7ef;border-radius:50%;animation:spin .7s linear infinite;display:inline-block;
  vertical-align:-3px;margin-right:.4rem}
@keyframes spin{to{transform:rotate(360deg)}}

/* resultado del álbum */
.album{display:none;background:var(--bg);color:var(--ink)}
.album.show{display:block}
.album__head{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;
  padding-bottom:1.6rem;margin-bottom:2rem;border-bottom:1px solid var(--line)}
.album__head h2{margin-bottom:.2rem}
.album__head p{color:var(--muted);margin:0;font-size:.95rem}
.album__actions{display:flex;gap:.7rem;flex-wrap:wrap}
.album-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.album-card{position:relative;border-radius:12px;overflow:hidden;background:var(--surface-2);
  box-shadow:var(--shadow-sm);aspect-ratio:4/3}
.album-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.album-card:hover img{transform:scale(1.05)}
.album-card__bar{position:absolute;inset:auto 0 0 0;padding:.7rem;
  background:linear-gradient(transparent,rgba(22,38,31,.75));
  display:flex;justify-content:space-between;align-items:center;
  opacity:0;transform:translateY(8px);transition:opacity .35s var(--ease),transform .35s var(--ease)}
.album-card:hover .album-card__bar{opacity:1;transform:translateY(0)}
.album-card__bar span{color:#f3ecdd;font-size:.82rem;font-weight:600}
.dl-btn{background:rgba(250,246,239,.92);color:var(--brand);border:0;border-radius:8px;
  width:34px;height:34px;display:grid;place-items:center;transition:background .3s var(--ease)}
.dl-btn:hover{background:#fff}
.dl-btn svg{width:17px;height:17px}

/* ============================ Reveal anim ============================ */
.reveal{opacity:0;transform:translateY(26px);
  transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero__scroll .line,.wa-fab::after{animation:none}
  .btn:hover,.svc:hover,.feature:hover,.gallery__item:hover img{transform:none}
}

/* ============================ Responsive ============================= */
@media (max-width:1024px){
  .gallery{columns:2}
  .steps{grid-template-columns:1fr 1fr}
  .footer__top{grid-template-columns:1fr 1fr}
  .footer__top > :first-child{grid-column:1/-1}
}
@media (max-width:860px){
  .nav__links,.nav__cta .btn--ghost{display:none}
  .burger{display:flex}
  .split,.escolar-hero,.contact,.access__card{grid-template-columns:1fr}
  .split--reverse .split__media{order:0}
  .split__media img{aspect-ratio:16/11}
  .escolar-imgs{max-width:520px}
  .feature-grid,.svc-grid{grid-template-columns:1fr 1fr}
  .access__card{text-align:left}
}
@media (max-width:560px){
  .gallery{columns:1}
  .feature-grid,.svc-grid,.steps{grid-template-columns:1fr}
  .form__row{grid-template-columns:1fr}
  .about-stats{gap:1.6rem}
  .split__media .badge{left:0}
  .nav__cta .btn{padding:.6rem 1rem;font-size:.85rem}
  .footer__top{grid-template-columns:1fr}
}