/* ============================================================
   PORTAFOLIO — jhprogram
   Registro visual: papel de plano técnico. Fondo crema, cuadrícula
   fina de precisión (nod a "precisión milimétrica" de la home),
   fichas montadas como láminas de un dossier, mucho aire entre
   piezas para que la página respire.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,340..600;1,9..144,400..500&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
    --cream:#f2ead6;
    --cream-deep:#e9dfc2;
    --ink:#211c14;
    --ink-soft:#635c49;
    --rule:rgba(33,28,20,.16);
    --rule-strong:rgba(33,28,20,.32);
    --oxide:#a4351f;
}

*{margin:0;padding:0;box-sizing:border-box}

body{
    background-color:var(--cream);
    background-image:
        linear-gradient(var(--rule) 1px,transparent 1px),
        linear-gradient(90deg,var(--rule) 1px,transparent 1px),
        linear-gradient(var(--rule-strong) 1px,transparent 1px),
        linear-gradient(90deg,var(--rule-strong) 1px,transparent 1px);
    background-size:28px 28px,28px 28px,140px 140px,140px 140px;
    color:var(--ink);
    font-family:'JetBrains Mono',ui-monospace,Consolas,monospace;
    -webkit-font-smoothing:antialiased;
}

a{color:inherit}

/* ---------- Navbar (versión clara, reutiliza los ids del script.js) ---------- */
.navbar{
    display:flex;justify-content:space-between;align-items:center;
    padding:22px 8%;
    background:rgba(242,234,214,.9);
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
    border-bottom:1px solid var(--rule-strong);
    position:sticky;top:0;z-index:100;
}
.nav-brand-link{display:flex;align-items:baseline;gap:8px;text-decoration:none}
.nav-brand-text{font-family:'Fraunces',serif;font-weight:600;font-size:20px;color:var(--ink)}
.nav-brand-badge{font-size:11px;letter-spacing:1.5px;color:var(--ink-soft)}
.nav-links{display:flex;align-items:center}
.nav-links a{text-decoration:none;color:var(--ink-soft);font-size:14px;margin-left:28px;padding-bottom:3px;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--oxide);border-color:var(--oxide)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:38px;height:38px;background:transparent;border:1px solid var(--rule-strong);border-radius:0;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .3s,opacity .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.nav-backdrop{display:none}

@media (max-width:768px){
    .nav-toggle{display:flex}
    .nav-links{
        position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
        background:var(--cream);border-left:1px solid var(--rule-strong);
        flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;
        padding:100px 32px 40px 32px;
        transform:translateX(100%);transition:transform .4s cubic-bezier(.16,1,.3,1);
        z-index:150;
    }
    .nav-links.open{transform:translateX(0)}
    .nav-links a{margin-left:0;font-size:16px;padding:14px 0;width:100%;border-bottom:1px solid var(--rule)}
    .nav-backdrop.open{display:block;position:fixed;inset:0;background:rgba(33,28,20,.35);z-index:140}
}

/* ---------- Encabezado tipo "cajetín" de plano ---------- */
.sheet{max-width:1180px;margin:0 auto;padding:0 8% 100px 8%}
.sheet-header{padding-top:72px;max-width:640px}
.sheet-meta{
    font-size:12px;letter-spacing:1.5px;color:var(--ink-soft);
    padding-bottom:14px;margin-bottom:24px;border-bottom:1px solid var(--rule-strong);
}
.sheet-header h1{
    font-family:'Fraunces',serif;font-weight:560;font-style:italic;
    font-size:clamp(2.6rem,6vw,4.2rem);line-height:1;letter-spacing:-1px;
    margin-bottom:22px;color:var(--ink);
}
.sheet-intro{font-size:14.5px;line-height:1.8;color:var(--ink-soft);max-width:52ch}

/* ---------- Fichas de proyecto ---------- */
.plates{
    margin-top:80px;
    display:grid;grid-template-columns:repeat(2,1fr);
    column-gap:56px;row-gap:80px;
}
.plate{position:relative}
.plate-frame{
    position:relative;
    padding:14px;
    background:var(--cream-deep);
    border:1px solid var(--rule-strong);
}
.plate-frame::before,.plate-frame::after,
.plate-frame img{display:block}
.plate-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
/* marcas de escuadra en las esquinas — el único gesto decorativo de la página */
.plate-frame::before,.plate-frame::after{
    content:"";position:absolute;width:16px;height:16px;
    border-color:var(--ink);border-style:solid;border-width:0;
}
.plate-frame::before{top:-1px;left:-1px;border-top-width:2px;border-left-width:2px}
.plate-frame::after{bottom:-1px;right:-1px;border-bottom-width:2px;border-right-width:2px}
.plate-caption{
    display:flex;gap:16px;
    margin-top:18px;padding-top:16px;
    border-top:1px solid var(--rule);
}
.plate-index{
    font-size:12px;color:var(--ink-soft);flex-shrink:0;padding-top:2px;
}
.plate-category{
    display:block;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;
    color:var(--oxide);margin-bottom:6px;
}
.plate-text h2{
    font-family:'Fraunces',serif;font-weight:560;font-size:21px;
    margin-bottom:8px;color:var(--ink);
}
.plate-text p{font-size:13.5px;line-height:1.65;color:var(--ink-soft);margin-bottom:12px;max-width:38ch}
.plate-stack{list-style:none;display:flex;flex-wrap:wrap;gap:8px 14px}
.plate-stack li{font-size:11.5px;color:var(--ink-soft)}
.plate-stack li:not(:last-child)::after{content:" /";margin-left:14px;color:var(--rule-strong)}

@media (max-width:820px){
    .plates{grid-template-columns:1fr;row-gap:64px}
    .sheet{padding:0 6% 80px 6%}
}

/* ---------- Pie ---------- */
.sheet-footer{
    margin-top:120px;padding-top:24px;border-top:1px solid var(--rule-strong);
    display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
    font-size:12.5px;color:var(--ink-soft);
}
.sheet-footer a{text-decoration:underline;text-underline-offset:3px;color:var(--ink-soft);transition:color .2s}
.sheet-footer a:hover{color:var(--oxide)}