/* ============ ESTILOS COMUNES SUB-PÁGINAS DE PROYECTOS ============ */
:root{
  --bg:#EFEAE0;
  --ink:#221F1B;
  --accent:#6B7A4B;
  --accent-2:#B86246;
  --blob-3:#C99A55;
  --muted:#6B6864;
  --line:rgba(0,0,0,.12);
  --paper:#FFFFFF;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Inter","Helvetica Neue",Arial,sans-serif;line-height:1.55;overflow-x:hidden}

/* ============ NAV ============ */
.nav{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;padding:20px 32px;z-index:100;color:var(--ink);gap:18px;background:rgba(239,234,224,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .logo{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:inherit;flex-shrink:0}
.nav .logo .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);overflow:hidden;border:2px solid var(--bg);box-shadow:0 4px 14px rgba(0,0,0,.12);flex-shrink:0;transition:transform .3s}
.nav .logo .avatar img{width:100%;height:100%;object-fit:cover}
.nav .logo:hover .avatar{transform:scale(1.06)}
.nav .logo .logo-text{font-size:13px;letter-spacing:.06em;font-weight:600;line-height:1.2}
.nav .logo .logo-text .role{display:block;font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-top:2px}
.nav-back{margin-left:auto;display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);text-decoration:none;padding:8px 18px;border:1px solid var(--line);border-radius:99px;transition:all .25s}
.nav-back:hover{background:var(--ink);color:var(--bg);border-color:var(--ink);transform:translateX(-2px)}
@media(max-width:760px){
  .nav{padding:14px 16px}
  .nav .logo .logo-text{display:none}
  .nav-back{font-size:11px;padding:6px 12px;letter-spacing:.08em}
}

/* ============ HERO DEL PROYECTO ============ */
.project-hero{padding:160px 40px 80px;max-width:1200px;margin:0 auto}
@media(max-width:760px){.project-hero{padding:120px 20px 60px}}
.breadcrumb{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:24px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);text-decoration:none;transition:color .25s}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{opacity:.4}
.project-category{font-size:13px;letter-spacing:.25em;text-transform:uppercase;color:var(--accent);margin-bottom:18px;font-weight:500}
.project-title{font-size:clamp(40px,7vw,96px);line-height:1.05;font-weight:500;letter-spacing:-.025em;margin-bottom:30px}
.project-title em{font-style:italic;font-family:Georgia,serif;color:var(--accent);padding-right:.04em}
.project-lede{font-size:clamp(18px,2.4vw,24px);color:var(--muted);max-width:720px;line-height:1.45;margin-bottom:50px}

/* Meta del proyecto: rol, año, cliente, link */
.project-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:40px}
@media(max-width:760px){.project-meta{grid-template-columns:repeat(2,1fr);gap:24px}}
.meta-item .label{font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;font-weight:500}
.meta-item .value{font-size:15px;font-weight:500;color:var(--ink)}
.meta-item .value a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--accent);padding-bottom:1px;transition:all .25s}
.meta-item .value a:hover{color:var(--accent)}

/* ============ SECCIONES DE CONTENIDO ============ */
section{padding:80px 40px}
@media(max-width:760px){section{padding:60px 20px}}
.container{max-width:1100px;margin:0 auto}
.section-num{font-size:12px;letter-spacing:.25em;text-transform:uppercase;color:var(--accent);margin-bottom:16px;font-weight:500;font-variant-numeric:tabular-nums}
.section-title{font-size:clamp(28px,4vw,44px);line-height:1.15;font-weight:500;letter-spacing:-.02em;margin-bottom:40px;max-width:800px}
.section-title em{font-style:italic;font-family:Georgia,serif;color:var(--accent);padding-right:.04em}

.prose{font-size:clamp(17px,2.1vw,20px);line-height:1.65;max-width:720px;color:var(--ink)}
.prose p{margin-bottom:22px}
.prose .accent{background:linear-gradient(180deg,transparent 60%,rgba(107,122,75,.22) 60%);padding:0 4px}
.prose .accent-2{background:linear-gradient(180deg,transparent 60%,rgba(184,98,70,.22) 60%);padding:0 4px}
.prose strong{font-weight:600;color:var(--ink)}

/* ============ IFRAME EMBED ============ */
.embed-wrap{margin:60px 0;background:var(--paper);border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.08),0 4px 12px rgba(0,0,0,.04);border:1px solid var(--line)}
.embed-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:#f5f0e6;border-bottom:1px solid var(--line)}
.embed-bar .dots{display:flex;gap:6px}
.embed-bar .dot{width:10px;height:10px;border-radius:50%;background:rgba(0,0,0,.12)}
.embed-bar .url{font-family:"SF Mono",ui-monospace,Menlo,monospace;font-size:11px;color:var(--muted);letter-spacing:.02em}
.embed-bar .external{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);text-decoration:none;padding:6px 12px;border:1px solid var(--accent);border-radius:99px;transition:all .25s}
.embed-bar .external:hover{background:var(--accent);color:#fff}
.embed-frame{position:relative;width:100%;aspect-ratio:16/10;background:#fff}
.embed-frame iframe{width:100%;height:100%;border:0;display:block}
@media(max-width:760px){
  .embed-frame{aspect-ratio:4/5}
  .embed-bar{padding:10px 14px;flex-wrap:wrap;gap:8px}
  .embed-bar .url{font-size:10px;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}

/* ============ GALERÍA DE IMÁGENES ============ */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:50px 0}
.gallery.cols-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:760px){.gallery,.gallery.cols-3{grid-template-columns:1fr;gap:14px}}
.gallery-item{aspect-ratio:4/5;background:var(--paper);border-radius:12px;overflow:hidden;border:1px solid var(--line);position:relative;transition:transform .4s}
.gallery-item:hover{transform:translateY(-4px)}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block}
.gallery-item .placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--muted);font-size:12px;letter-spacing:.18em;text-transform:uppercase;background:linear-gradient(135deg,#f0ebe1 0%,#e8e0d2 100%);text-align:center;padding:20px}
.gallery-item .placeholder svg{width:32px;height:32px;margin-bottom:14px;opacity:.4}
.gallery-item .caption{position:absolute;bottom:0;left:0;right:0;padding:14px 18px;background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.7) 100%);color:#fff;font-size:13px;line-height:1.4}

/* ============ GRID DE REDES SOCIALES (para inmobiliaria) ============ */
.social-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:50px 0}
@media(max-width:760px){.social-grid{grid-template-columns:1fr}}
.social-card{display:block;padding:32px;background:var(--paper);border:1px solid var(--line);border-radius:16px;text-decoration:none;color:inherit;transition:all .35s cubic-bezier(.2,.8,.2,1);position:relative;overflow:hidden}
.social-card:hover{transform:translateY(-6px);box-shadow:0 24px 60px rgba(0,0,0,.1);border-color:var(--accent)}
.social-card .icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:#fff;font-size:24px;font-weight:600}
.social-card.youtube .icon{background:#FF0000}
.social-card.tiktok .icon{background:#000}
.social-card.instagram .icon{background:linear-gradient(135deg,#833AB4 0%,#FD1D1D 50%,#FCAF45 100%)}
.social-card.web .icon{background:var(--accent)}
.social-card h3{font-size:22px;font-weight:600;letter-spacing:-.01em;margin-bottom:8px}
.social-card .handle{font-size:13px;color:var(--muted);margin-bottom:18px;letter-spacing:.02em}
.social-card .desc{font-size:14.5px;line-height:1.5;color:var(--ink);margin-bottom:20px}
.social-card .cta{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-weight:500;display:inline-flex;align-items:center;gap:6px}
.social-card .cta::after{content:'↗';transition:transform .25s}
.social-card:hover .cta::after{transform:translate(2px,-2px)}

/* ============ VIDEOS DESTACADOS (para inmobiliaria) ============ */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:40px 0}
@media(max-width:900px){.video-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.video-grid{grid-template-columns:1fr}}
.video-card{aspect-ratio:9/16;background:#000;border-radius:12px;overflow:hidden;position:relative;cursor:pointer;transition:transform .35s}
.video-card:hover{transform:scale(1.02)}
.video-card .thumb{position:absolute;inset:0;background:linear-gradient(135deg,#2a2422 0%,#3a3530 100%);display:flex;align-items:center;justify-content:center}
.video-card .thumb svg{width:50px;height:50px;color:#fff;opacity:.85;transition:transform .25s}
.video-card:hover .thumb svg{transform:scale(1.15)}
.video-card .meta{position:absolute;bottom:0;left:0;right:0;padding:16px;background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.85) 100%);color:#fff}
.video-card .meta .title{font-size:14px;font-weight:500;line-height:1.3;margin-bottom:6px}
.video-card .meta .stats{font-size:11px;letter-spacing:.08em;opacity:.7;display:flex;gap:12px}

/* ============ PROCESO / DETALLES ============ */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin:40px 0}
@media(max-width:760px){.detail-grid{grid-template-columns:1fr;gap:30px}}
.detail-block h3{font-size:13px;letter-spacing:.25em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;font-weight:500}
.detail-block p{font-size:16.5px;line-height:1.6;color:var(--ink)}
.detail-block ul{list-style:none;padding:0}
.detail-block ul li{padding:8px 0;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
.detail-block ul li:last-child{border-bottom:0}

/* ============ APRENDIZAJE ============ */
.learning{background:var(--paper);padding:60px 40px;border-radius:16px;border-left:4px solid var(--accent-2);margin:60px 0;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(max-width:760px){.learning{padding:40px 24px}}
.learning .label{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--accent-2);margin-bottom:18px;font-weight:600}
.learning p{font-size:clamp(18px,2.3vw,22px);line-height:1.55;font-style:italic;color:var(--ink);font-family:Georgia,serif}

/* ============ NAV BETWEEN PROJECTS ============ */
.project-nav{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:120px;border-top:1px solid var(--line)}
@media(max-width:760px){.project-nav{grid-template-columns:1fr}}
.project-nav a{padding:40px;text-decoration:none;color:var(--ink);transition:background .3s;border-right:1px solid var(--line)}
.project-nav a:last-child{border-right:0}
@media(max-width:760px){.project-nav a{border-right:0;border-bottom:1px solid var(--line)}}
.project-nav a:hover{background:var(--paper)}
.project-nav .label{font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.project-nav .title{font-size:22px;font-weight:500;letter-spacing:-.01em}
.project-nav .title em{font-style:italic;font-family:Georgia,serif;color:var(--accent)}
.project-nav .next{text-align:right}

/* ============ FOOTER ============ */
footer{padding:40px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:60px}
@media(max-width:760px){footer{padding:24px 20px;flex-direction:column;gap:14px;text-align:center}}
footer a{color:inherit;text-decoration:none;border-bottom:1px solid transparent;transition:border-color .25s}
footer a:hover{border-color:var(--accent)}

/* ============ REVEAL ANIMATION ============ */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s cubic-bezier(.2,.8,.2,1),transform .9s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal.d1{transition-delay:.1s}
.reveal.d2{transition-delay:.2s}
.reveal.d3{transition-delay:.3s}