/* project-04.css — Caso de estudio PULPA
   Identidad visual propia. No reutiliza paleta, tipografía, grilla ni recursos de
   Valionns, Ámbar, ANNEX o Trama. */

:root{
  --coral:#FF5C4D; --orchid:#F06DFF; --butter:#FFE36E; --cobalt:#3155FF;
  --lime:#B8F25C; --cherry:#D92D4B; --ivory:#FFF8ED; --cacao:#4A2A24; --ink:#151515;
  --line:rgba(21,21,21,.12);
  --display:'Archivo Black',sans-serif; --head:'Space Grotesk',sans-serif;
  --sans:'Manrope',sans-serif; --mono:'IBM Plex Mono',monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:var(--sans);overflow-x:hidden;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:100%;object-fit:cover}
.wrap{width:min(1320px,calc(100% - 56px));margin:auto}
::selection{background:var(--coral);color:var(--ivory)}
a:focus-visible,button:focus-visible{outline:3px solid var(--cobalt);outline-offset:2px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--ivory);padding:12px 20px;z-index:100;font-family:var(--mono);font-size:12px}
.skip-link:focus{left:16px;top:16px}

[data-rv]{opacity:0;transition:opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1);transform:translateY(20px)}
[data-rv].show{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){[data-rv]{opacity:1!important;transform:none!important;transition:none!important}}

.p4-nav{position:fixed;z-index:50;top:0;left:0;width:100%;padding:20px 0;background:rgba(255,248,237,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.p4-nav .wrap{display:flex;justify-content:space-between;align-items:center}
.p4-wm{font-family:var(--head);font-size:19px;font-weight:700}
.p4-small{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:#555}

.p4-cover{padding:150px 0 90px}
.p4-cover .kicker{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--cobalt);margin-bottom:20px}
.p4-cover h1{font-family:var(--display);font-weight:400;font-size:clamp(46px,7.4vw,100px);line-height:.96;letter-spacing:-.01em;margin:0 0 22px}
.p4-cover .tag{font-family:var(--head);font-weight:500;font-size:clamp(17px,1.6vw,22px);line-height:1.4;max-width:640px;margin:0 0 34px}
.p4-meta-row{display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px;font-family:var(--mono);font-size:11px;color:#666}
.p4-meta-row b{display:block;color:var(--ink);font-family:var(--sans);font-size:14px;font-weight:600;margin-top:6px}

.p4-sec{padding:88px 0;border-bottom:1px solid var(--line)}
.p4-sec.dark{background:var(--ink);color:var(--ivory);border-bottom-color:rgba(255,248,237,.14)}
.p4-sec-head{display:grid;grid-template-columns:.5fr 1.5fr;gap:40px;margin-bottom:42px}
.p4-kick{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--cobalt)}
.p4-sec.dark .p4-kick{color:var(--lime)}
.p4-sec-head h2{font-family:var(--head);font-weight:700;font-size:clamp(28px,3.6vw,46px);line-height:1.05;margin:10px 0 0}
.p4-sec-intro{font-size:15.5px;line-height:1.7;max-width:520px;color:#444}
.p4-sec.dark .p4-sec-intro{color:#dcd3c8}
.p4-body{font-size:16px;line-height:1.8;max-width:680px;color:#333}
.p4-sec.dark .p4-body{color:#dcd3c8}
.p4-body p{margin:0 0 18px}
.p4-body p:last-child{margin-bottom:0}

.p4-meta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);max-width:760px}
.p4-meta-grid div{background:var(--ivory);padding:20px 22px}
.p4-meta-grid b{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--cobalt);margin-bottom:8px;font-weight:400}

.p4-plist{margin:0;padding:0;list-style:none;max-width:720px}
.p4-plist li{padding:16px 0;border-top:1px solid var(--line);font-size:15px;line-height:1.6}
.p4-sec.dark .p4-plist li{border-color:rgba(255,248,237,.14)}
.p4-plist li:last-child{border-bottom:1px solid var(--line)}
.p4-plist b{font-family:var(--mono);font-size:10.5px;color:var(--cobalt);margin-right:14px}
.p4-sec.dark .p4-plist b{color:var(--lime)}

.p4-photo{aspect-ratio:16/9;margin-bottom:14px;border-radius:4px;overflow:hidden}
.p4-photo.tall{aspect-ratio:4/5}
.p4-caption{font-family:var(--mono);font-size:11px;color:#666;margin:0}
.p4-sec.dark .p4-caption{color:#a89e90}

.p4-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.p4-grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.p4-item{border-radius:4px;overflow:hidden;aspect-ratio:4/3}

.p4-swatches{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);margin-bottom:14px}
.p4-swatches div{height:110px;display:flex;align-items:flex-end;padding:10px;font-family:var(--mono);font-size:9.5px}

.p4-phase-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.p4-phase{background:var(--ivory);padding:24px 22px}
.p4-phase .n{font-family:var(--mono);font-size:10.5px;color:var(--cobalt)}
.p4-phase h4{font-family:var(--head);font-size:19px;font-weight:700;margin:10px 0 12px}
.p4-phase ul{margin:0;padding:0;list-style:none}
.p4-phase li{font-size:13px;color:#444;padding:5px 0;border-top:1px solid var(--line)}
.p4-phase li:first-child{border-top:none}

.p4-deliver{columns:2;gap:28px;max-width:820px}
.p4-deliver li{font-size:14px;line-height:1.5;padding:8px 0;border-top:1px solid var(--line);break-inside:avoid;list-style:none}

.p4-closing{background:var(--coral);color:var(--ivory);padding:100px 0 44px}
.p4-closing h2{font-family:var(--head);font-weight:700;font-size:clamp(30px,4.6vw,58px);line-height:1.12;margin:0 0 40px;max-width:780px}
.p4-cta-row{display:flex;gap:14px;flex-wrap:wrap}
.p4-cta{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:15px 24px;border-radius:30px;border:1px solid var(--ivory);transition:.2s}
.p4-cta.primary{background:var(--ink);color:var(--ivory);border-color:var(--ink)}
.p4-cta.primary:hover{background:var(--ivory);color:var(--ink)}
.p4-cta:hover:not(.primary){background:var(--ivory);color:var(--coral)}
.p4-footer{margin-top:60px;padding-top:20px;border-top:1px solid rgba(255,248,237,.4);display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.08em;flex-wrap:wrap;gap:10px}

/* preview con overlay del sitio */
.p4-preview{position:relative;border-radius:6px;overflow:hidden;box-shadow:0 30px 70px rgba(21,21,21,.18)}
.p4-preview .bar{background:var(--cacao);color:var(--ivory);padding:10px 16px;display:flex;gap:6px;align-items:center;font-family:var(--mono);font-size:10.5px}
.p4-preview .bar span{width:8px;height:8px;border-radius:50%;background:var(--butter)}
.p4-preview .frame{position:relative;aspect-ratio:16/9}
.p4-preview .frame:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(21,21,21,.55) 0%,transparent 45%)}
.p4-preview .overlay{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:30px;display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:18px}
.p4-preview .overlay h3{color:#fff;font-size:clamp(18px,2.4vw,26px);margin:0;font-family:var(--head);font-weight:700;max-width:420px}
.p4-view-site{display:inline-flex;align-items:center;gap:10px;background:var(--cobalt);color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:14px 22px;border-radius:30px}
.p4-view-site:hover{background:var(--ink)}

@media(max-width:900px){
  .wrap{width:min(100% - 32px,1320px)}
  .p4-sec{padding:60px 0}
  .p4-sec-head,.p4-meta-grid,.p4-phase-grid,.p4-grid3,.p4-grid2,.p4-swatches{grid-template-columns:1fr 1fr}
  .p4-sec-head{grid-template-columns:1fr}
  .p4-deliver{columns:1}
  .p4-preview .overlay{flex-direction:column;align-items:flex-start}
}