/* REFYCONS — styles.css */
/* fuentes variables (Task 2 descargó 4 archivos con rango de pesos) */
@font-face{font-family:"Fraunces";src:url("../fonts/fraunces.woff2") format("woff2");font-weight:300 400;font-style:normal;font-display:swap}
@font-face{font-family:"Fraunces";src:url("../fonts/fraunces-italic.woff2") format("woff2");font-weight:300 400;font-style:italic;font-display:swap}
@font-face{font-family:"Inter Tight";src:url("../fonts/intertight.woff2") format("woff2");font-weight:400 500;font-style:normal;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fonts/jetbrainsmono-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}

:root{
  --bg:#FFFFFF; --text:#111111; --text-2:#555555; --text-3:#767676; /* #767676 = 4.5:1 AA sobre blanco; NO usar #888 en texto normal */
  --surface:#F4F4F4; --accent:#E87A2E; --teal:#0E7A78;
  --topbar-bg:rgba(255,255,255,.82); --topbar-bg-scrolled:rgba(255,255,255,.94); --topbar-shadow:0 12px 36px rgba(17,17,17,.06);
  --pad-x:clamp(20px,5vw,56px);
  --page-max:1200px; --gallery-max:1088px; --text-max:640px; --topbar-h:80px;
  --section-space:clamp(64px,8vw,112px); --gallery-gap:clamp(56px,7vw,96px);
  --page-inline:max(var(--pad-x),calc(50vw - 600px));
  --ease-out:cubic-bezier(.22,1,.36,1);
  --serif:"Fraunces",Georgia,serif;
  --sans:"Inter Tight",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
[data-theme="dark"]{
  --bg:#111111; --text:#F2EFE9; --text-2:#9A968F; --text-3:#8F8B84; --surface:#1D1D1D;
  --topbar-bg:rgba(17,17,17,.82); --topbar-bg-scrolled:rgba(17,17,17,.94); --topbar-shadow:0 12px 36px rgba(0,0,0,.2);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scrollbar-gutter:stable;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;transition:background .25s,color .25s}
main{padding-top:var(--topbar-h)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
html.menu-open,html.menu-open body{overflow:hidden}

.wrap{width:min(calc(100% - var(--pad-x) - var(--pad-x)),var(--page-max));margin-inline:auto}

/* barra superior fija: SIN borde inferior */
.topbar{display:flex;justify-content:space-between;align-items:center}
body>.topbar{
  position:fixed;inset:0 0 auto;z-index:50;min-height:var(--topbar-h);padding:20px var(--page-inline);
  background:var(--topbar-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  transition:background .28s ease,box-shadow .28s ease,color .25s;
  animation:topbar-in .45s var(--ease-out) both;
}
body>.topbar.is-scrolled{background:var(--topbar-bg-scrolled);box-shadow:var(--topbar-shadow)}
.topbar .logo img{height:40px;width:auto;transition:transform .35s var(--ease-out)}
.topbar .controls{display:flex;gap:18px;align-items:center;font-size:15px;color:var(--text-2)}
/* padding + margen negativo: área táctil ≥44px sin mover nada visualmente */
.topbar button{background:none;border:none;padding:12px;margin:-12px;font:inherit;color:inherit;cursor:pointer;transition:color .22s ease,transform .22s var(--ease-out)}

/* overlay del menú: permanece en el DOM para poder animar también el cierre */
.menu-overlay{
  position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;overflow-y:auto;
  padding:20px var(--page-inline) max(32px,env(safe-area-inset-bottom));background:var(--bg);
  opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-14px);
  transition:opacity .36s var(--ease-out),transform .36s var(--ease-out),visibility 0s linear .36s;
}
.menu-overlay.open{opacity:1;visibility:visible;pointer-events:auto;transform:none;transition-delay:0s}
.menu-overlay>.topbar{min-height:40px;padding:0}
.menu-overlay nav{margin-top:10vh;display:flex;flex-direction:column;gap:14px}
.menu-overlay nav a{font-family:var(--serif);font-weight:300;font-size:clamp(32px,6vw,52px);line-height:1.2;opacity:0;transform:translateY(18px)}
.menu-overlay.open nav a{animation:menu-item-in .46s var(--ease-out) both}
.menu-overlay.open nav a:nth-child(1){animation-delay:.08s}
.menu-overlay.open nav a:nth-child(2){animation-delay:.125s}
.menu-overlay.open nav a:nth-child(3){animation-delay:.17s}
.menu-overlay.open nav a:nth-child(4){animation-delay:.215s}
.menu-overlay nav a:hover{font-style:italic;color:var(--accent)}
.menu-overlay .meta{margin-top:auto;padding-top:6vh;display:flex;flex-direction:column;gap:10px;font-family:var(--mono);font-size:13px;color:var(--text-3);opacity:0;transform:translateY(14px)}
.menu-overlay.open .meta{animation:menu-item-in .46s var(--ease-out) .26s both}
.menu-overlay .meta a{display:inline-block;padding:6px 0}
.menu-overlay .meta .lang a[aria-current="true"]{color:var(--text)}

/* hero: mismo eje y ancho máximo que la barra y el pie */
.hero{width:min(calc(100% - var(--pad-x) - var(--pad-x)),var(--page-max));margin-inline:auto;padding:clamp(72px,12vh,144px) 0 0}
.hero h1{font-family:var(--serif);font-weight:300;font-size:clamp(44px,9vw,96px);line-height:1;letter-spacing:-0.03em;margin:0;animation:hero-in .65s var(--ease-out) .06s both}
.hero h1 em{font-weight:300}
.hero .sub{margin-top:18px;color:var(--text-3);font-size:15px;animation:hero-in .58s var(--ease-out) .16s both}
.hero .sub b{color:var(--accent);font-weight:500}

/* galería vertical de obras */
.obras{width:min(calc(100% - var(--pad-x) - var(--pad-x)),var(--gallery-max));margin-inline:auto;padding-top:var(--section-space);display:flex;flex-direction:column;gap:var(--gallery-gap)}
.obra-card{margin:0;width:100%}
.obra-card>a{display:block;overflow:hidden}
.obra-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--surface);transition:transform .7s var(--ease-out)}
.obra-card figcaption{margin-top:10px;text-align:right;font-family:var(--serif);font-style:italic;font-size:17px;color:var(--text-2)}
.obra-card figcaption .dash{color:var(--accent);font-style:normal}
.obra-card figcaption .tipo{color:var(--teal)}

/* enlaces-acción (nunca botones con fondo/borde) */
.action{display:inline-block;font-size:16px;color:var(--text);padding:12px 0}
.action .arrow{display:inline-block;color:var(--accent);transition:transform .22s var(--ease-out)}
.action:hover{font-style:italic}
.action-row{width:min(calc(100% - var(--pad-x) - var(--pad-x)),var(--page-max));margin-inline:auto;text-align:center;padding-top:var(--section-space)}
form.contacto button.action{background:none;border:none;cursor:pointer;padding:12px 0;text-align:left;font:inherit;color:var(--text)}

/* bloques de texto: el máximo de 640px corresponde al contenido real */
.block{width:min(calc(100% - var(--pad-x) - var(--pad-x)),var(--text-max));margin-inline:auto;padding-top:var(--section-space)}
.block h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,4vw,36px);letter-spacing:-0.02em;line-height:1.15;margin:0 0 14px}
.block p{color:var(--text-2);margin:0 0 14px}

/* formulario minimalista: solo línea inferior en los campos */
form.contacto{display:flex;flex-direction:column;gap:26px;max-width:560px}
form.contacto label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--text-3)}
/* 16px mínimo: evita el zoom automático de iOS al enfocar un campo */
form.contacto input,form.contacto select,form.contacto textarea{background:transparent;border:none;border-bottom:1px solid var(--text-3);padding:10px 0;font:inherit;font-size:16px;color:var(--text);border-radius:0;width:100%}
form.contacto textarea{min-height:120px;resize:vertical}
form.contacto .estado{font-size:14px;color:var(--text-2);min-height:20px}
form.contacto .estado a{color:var(--accent)}
form.contacto .consentimiento{flex-direction:row;align-items:baseline;gap:10px;font-size:14px;color:var(--text-2)}
form.contacto .consentimiento input{width:auto;border:none;padding:0;accent-color:var(--accent)}
form.contacto .consentimiento a{color:var(--accent)}
.clausula{font-size:13px;color:var(--text-3);margin:0}
form.contacto .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* pie */
footer{width:min(calc(100% - var(--pad-x) - var(--pad-x)),var(--page-max));margin:clamp(96px,14vh,168px) auto 0;padding:var(--section-space) 0 clamp(48px,6vh,80px);display:flex;flex-direction:column;gap:8px;font-family:var(--mono);font-size:12.5px;color:var(--text-3)}
footer .marca{font-family:var(--sans);font-weight:500;font-size:15px;letter-spacing:0.02em;color:var(--accent);margin-bottom:6px}
footer .firma{font-family:var(--serif);font-style:italic;font-size:16px;color:var(--text-2);margin-bottom:10px}
footer a{display:inline-block;padding:5px 0;align-self:flex-start}
footer a:hover{color:var(--accent)}
footer .legal{margin-top:14px;display:flex;gap:16px;flex-wrap:wrap}

/* detalle de obra */
.detalle-fotos{width:min(calc(100% - var(--pad-x) - var(--pad-x)),var(--gallery-max));margin-inline:auto;padding-top:clamp(48px,6vh,80px);display:flex;flex-direction:column;gap:var(--gallery-gap)}
.detalle-fotos img{width:100%;background:var(--surface)}

/* apariciones progresivas; sin JS el contenido se mantiene visible */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}
.reveal.is-visible{opacity:1;transform:none}

@keyframes topbar-in{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}
@keyframes hero-in{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes menu-item-in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

@media (hover:hover){
  .topbar .logo:hover img{transform:scale(1.035)}
  .topbar button:hover{color:var(--text);transform:translateY(-1px)}
  .obra-card>a:hover img{transform:scale(1.015)}
  .action:hover .arrow{transform:translateX(4px)}
}

@media (max-width:640px){
  :root{--topbar-h:72px;--section-space:clamp(56px,16vw,72px);--gallery-gap:clamp(48px,14vw,64px)}
  body>.topbar{padding-block:16px}
  .menu-overlay{padding-top:16px}
  .hero{padding-top:clamp(56px,12vh,88px)}
}

@supports not ((-webkit-backdrop-filter:blur(16px)) or (backdrop-filter:blur(16px))){
  body>.topbar{background:var(--topbar-bg-scrolled)}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal,.menu-overlay nav a,.menu-overlay .meta{opacity:1;transform:none}
}