/* Atelier Grafito — web estática (SEO + CRO).
   Target browsers: Chrome + Edge (Chromium).
   This stylesheet includes progressive-enhancement fallbacks so the layout
   remains consistent even when certain modern CSS features are unavailable.
*/
:root{
  --bg:#0b0d12;
  --surface:#111521;
  --surface2:#0f1220;
  --text:#f2f4f8;
  --muted:#b7bfcc;
  --line:rgba(255,255,255,.10);
  --accent:#f2b35b;  /* amber */
  --accent2:#7bd6ff; /* cold accent */
  --danger:#ff6b6b;
  --radius:18px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
  --max:1120px;
}

*{box-sizing:border-box}
/* Smooth scroll (supported by modern Chrome/Edge; harmless elsewhere). */
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1000px 700px at 20% -10%, rgba(242,179,91,.22), transparent 60%),
    radial-gradient(900px 700px at 90% 10%, rgba(123,214,255,.16), transparent 60%),
    linear-gradient(180deg, #07080c 0%, var(--bg) 50%, #07080c 100%);
  line-height:1.55;
}

a{color:inherit; text-decoration:none}
a:hover{color:var(--accent)}
img{max-width:100%; height:auto; display:block}

.container{max-width:var(--max); margin:0 auto; padding:0 20px}
.section{padding:72px 0}
.section.tight{padding:48px 0}
.grid{display:grid; gap:20px}
.card{
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.card.pad{padding:22px}
.muted{color:var(--muted)}
.small{font-size:.92rem}
.kicker{letter-spacing:.12em; text-transform:uppercase; font-size:.82rem; color:var(--muted)}
/* Fallback sizes first (for browsers without clamp()). */
.h1{font-size:3rem; line-height:1.1; margin:.35rem 0 0}
.h2{font-size:2rem; line-height:1.2; margin:0 0 10px}
.h3{font-size:1.15rem; margin:0 0 6px}

/* Progressive enhancement: clamp() typography. */
@supports (font-size: clamp(1rem, 1vw, 2rem)){
  .h1{font-size:clamp(2.1rem, 3.2vw, 3.4rem)}
  .h2{font-size:clamp(1.5rem, 2.1vw, 2.2rem)}
}

.badge{
  display:inline-flex; gap:8px; align-items:center;
  padding:8px 12px; border-radius:999px;
  background:rgba(242,179,91,.14);
  border:1px solid rgba(242,179,91,.28);
  color:var(--text);
  font-size:.92rem;
}
.badge .dot{width:8px; height:8px; border-radius:999px; background:var(--accent)}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:12px 16px; border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  color:var(--text);
  cursor:pointer;
  transition:transform .12s ease, background .12s ease, border-color .12s ease;
  font-weight:600;
}
.btn:hover{transform:translateY(-1px); border-color:rgba(242,179,91,.45); background:rgba(242,179,91,.12)}
.btn.primary{background:linear-gradient(180deg, rgba(242,179,91,.95), rgba(242,179,91,.75)); color:#1a1308; border-color:transparent}
.btn.primary:hover{background:linear-gradient(180deg, rgba(242,179,91,1), rgba(242,179,91,.82))}
.btn.ghost{background:transparent}
.btn.full{width:100%}
.btn:focus{outline:2px solid rgba(123,214,255,.55); outline-offset:2px}

header{
  position:sticky; top:0; z-index:60;
  /* Fallback (no blur). */
  background:rgba(7,8,12,.92);
  border-bottom:1px solid var(--line);
}

/* Enable blur only when the engine supports it (prevents rendering glitches). */
@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  header{
    background:rgba(7,8,12,.72);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{
  display:flex; align-items:center; gap:12px; font-weight:800; letter-spacing:.02em
}
.brand .logo{
  width:34px; height:34px; border-radius:12px;
  background:linear-gradient(180deg, rgba(242,179,91,.9), rgba(123,214,255,.4));
  /* Flex fallback; upgraded to grid when supported. */
  display:flex; align-items:center; justify-content:center;
  color:#0b0d12; font-weight:900
}

@supports (display:grid){
  .brand .logo{display:grid; place-items:center}
}
.navlinks{display:flex; align-items:center; gap:16px}
.navlinks a{color:var(--muted); font-weight:600}
.navlinks a.active{color:var(--text)}
.nav-cta{display:flex; gap:10px; align-items:center}
.burger{display:none; flex-shrink:0}

.hero{
  padding:56px 0 22px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:22px;
  align-items:stretch;
}
.hero-media{
  border-radius:var(--radius);
  overflow:hidden;
  position:relative;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  min-height:420px;
}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(1.05) contrast(1.02);
  opacity:.92;
}
.hero-media .overlay{
  position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(11,13,18,.1), rgba(11,13,18,.72));
}
.hero-box{
  padding:22px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:18px}
.hero-points{margin-top:18px; display:grid; gap:10px}
.point{display:flex; gap:10px; align-items:flex-start}
.point svg{flex:0 0 18px; margin-top:3px; color:var(--accent)}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:20px;
  align-items:start;
}

.service-grid{grid-template-columns: repeat(3, 1fr)}
.service{padding:18px}
.service p{margin:0; color:var(--muted)}
.icon{
  width:38px; height:38px; border-radius:14px;
  display:grid; place-items:center;
  background:rgba(123,214,255,.12);
  border:1px solid rgba(123,214,255,.22);
  margin-bottom:10px;
}
.icon svg{color:var(--accent2)}

.gallery{grid-template-columns: repeat(4, 1fr)}
.g-item{
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  cursor:pointer;
  position:relative;
}
.g-item img{width:100%; aspect-ratio:3/4; object-fit:cover; opacity:.95}

/* Fallback for engines without aspect-ratio (keeps gallery tiles stable). */
@supports not (aspect-ratio: 1 / 1){
  .g-item{padding-top:133.333%;}
  .g-item img{position:absolute; inset:0; height:100%}
}
.g-item .cap{
  position:absolute; left:0; right:0; bottom:0;
  padding:10px 12px;
  background:linear-gradient(180deg, transparent, rgba(0,0,0,.70));
  font-size:.9rem;
  color:rgba(255,255,255,.92);
}

.steps{grid-template-columns: repeat(3, 1fr)}
.step{padding:18px}
.step .num{
  width:34px; height:34px; border-radius:12px;
  background:rgba(242,179,91,.14);
  border:1px solid rgba(242,179,91,.25);
  display:grid; place-items:center; font-weight:900; color:var(--accent);
  margin-bottom:10px;
}

.pricing{grid-template-columns: repeat(3, 1fr)}
.price{padding:20px}
.price .tag{font-weight:800; font-size:1.15rem}
.price .amount{font-size:2rem; font-weight:900; margin:8px 0}
.price ul{margin:0; padding-left:18px; color:var(--muted)}
.price li{margin:8px 0}
.price.featured{border-color:rgba(242,179,91,.35)}
.price.featured .btn.primary{width:100%}

.faq details{
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px 16px;
  background:rgba(255,255,255,.03);
}
.faq summary{cursor:pointer; font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq details + details{margin-top:12px}
.faq p{color:var(--muted); margin:10px 0 0}

.form{
  display:grid; gap:12px
}
label{font-weight:700; font-size:.95rem}
input, select, textarea{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  outline:none;
}
input::placeholder, textarea::placeholder{color:rgba(183,191,204,.75)}
textarea{min-height:120px; resize:vertical}
.helper{color:var(--muted); font-size:.88rem; margin-top:-6px}

.footer{
  padding:42px 0;
  border-top:1px solid var(--line);
  background:rgba(7,8,12,.55);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr .6fr .6fr;
  gap:20px;
}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--accent)}
.hr{height:1px; background:var(--line); margin:16px 0}
.copy{color:rgba(183,191,204,.8); font-size:.9rem}

.notice{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(123,214,255,.22);
  background:rgba(123,214,255,.10);
  color:rgba(242,244,248,.95);
}

/* Lightbox */
.lightbox{
  position:fixed; inset:0; z-index:100;
  display:none;
  background:rgba(0,0,0,.82);
  padding:20px;
}
.lightbox.open{display:flex; align-items:center; justify-content:center}

@supports (display:grid){
  .lightbox.open{display:grid; place-items:center}
}
.lightbox figure{
  /* Fallback without min() */
  max-width:980px;
  width:96vw;
  margin:0;
}

@supports (max-width: min(980px, 96vw)){
  .lightbox figure{
    max-width:min(980px, 96vw);
    width:auto;
  }
}
.lightbox img{
  width:100%;
  height:auto;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.12);
}
.lightbox figcaption{
  margin-top:10px;
  color:rgba(255,255,255,.88);
  font-size:.95rem;
}
.lightbox .close{
  position:fixed; top:16px; right:16px;
  border-radius:12px;
  padding:10px 12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
}

/* Mobile */
@media (max-width: 960px){
  .hero-grid{grid-template-columns:1fr}
  .hero-media{min-height:360px}
  .service-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns: repeat(2, 1fr)}
  .steps{grid-template-columns:1fr}
  .pricing{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .navlinks{display:none}
  .burger{display:inline-flex}
  /* Ajustes extra: evita que el botón Menú se salga en móviles estrechos */
  .nav-cta{gap:8px}
  .nav-cta .btn{padding:10px 12px}

  @media (max-width: 420px){
    .nav-cta a.btn{display:none}
    .brand span:last-child{display:none}
  }
  .navlinks.open{
    display:flex; flex-direction:column; align-items:flex-start;
    position:absolute; left:0; right:0; top:62px;
    background:rgba(7,8,12,.96);
    border-bottom:1px solid var(--line);
    padding:14px 20px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .btn{transition:none}
}