/* gridoma-shell.css — shared styles for product pages
   v1 - 2026-05-04 */

/* ═══ ROOT VARS ═══ */
:root{
  --blue:#0a2dd6;--blue-mid:#1a3fe8;--blue-lt:#3b5ef0;
  --blue-pale:rgba(10,45,214,.04);--blue-glow:rgba(10,45,214,.08);
  --dark:#1a1d26;--txt:#3a3d4a;--txt-m:#5c6378;--txt-l:#8a90a2;
  --off-white:#f8f9fb;--white:#fff;--mid-gray:#e4e7ec;--light-gray:#f0f2f5;
  --serif:'Playfair Display',Georgia,serif;
  --sans:'DM Sans',sans-serif;
  --futura:'DM Sans',sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
body.dark{
  --white:#0e1118;--off-white:#151922;--light-gray:#1e232d;--mid-gray:#2a3040;
  --txt:#e8eaf0;--txt-m:#b0b6c5;--txt-l:#8892a3;--dark:#f0f2f5;
  --blue-pale:rgba(59,94,240,.14);--blue-glow:rgba(59,94,240,.18);
  background:#0e1118;
}

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--sans);color:var(--txt);background:var(--white);font-size:17px;line-height:1.8;-webkit-font-smoothing:antialiased;transition:background .35s,color .35s}
a{color:var(--blue);text-decoration:none}
img{max-width:100%;display:block}

/* ═══ NAV ═══ */
.pnav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:18px 48px;background:rgba(255,255,255,.95);backdrop-filter:blur(24px);border-bottom:1px solid rgba(0,0,0,.06);transition:background .35s,border-color .35s}
body.dark .pnav{background:rgba(14,17,24,.92);border-bottom-color:rgba(255,255,255,.08)}
.pnav-links{display:flex;gap:28px;align-items:center}
.pnav-links a{font-size:13px;font-weight:500;letter-spacing:1px;text-transform:uppercase;color:var(--txt-m);transition:color .3s}
.pnav-links a:hover{color:var(--blue)}
body.dark .pnav-links a:hover{color:var(--blue-lt)}
.pnav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:white;padding:10px 24px;font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;border-radius:3px;transition:all .3s}
.pnav-cta:hover{background:var(--blue-mid);color:white;transform:translateY(-1px)}
body.dark .pnav-cta{background:var(--blue-lt);color:#0e1118}

.logo-container{display:flex;align-items:center;gap:14px;cursor:pointer;text-decoration:none}
.logo-scene{position:relative;width:38px;height:50px;flex-shrink:0}
.logo-panel{position:absolute;width:18px;height:28px;transform:skewY(25deg);overflow:hidden;opacity:0;animation-fill-mode:forwards;animation-timing-function:cubic-bezier(.22,1,.36,1)}
.logo-panel::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.35) 0%,transparent 60%)}
.logo-panel:nth-child(1){background:linear-gradient(180deg,#6fa3ff,#3b5ef0);left:0;top:12px;z-index:3;animation:lS 1s .15s forwards}
.logo-panel:nth-child(2){background:linear-gradient(180deg,#3b5ef0,#0a2dd6);left:10px;top:6px;z-index:2;animation:lS 1s .3s forwards}
.logo-panel:nth-child(3){background:linear-gradient(180deg,#0a2dd6,#061a8a);left:20px;top:0;z-index:1;animation:lS 1s .45s forwards}
@keyframes lS{0%{opacity:0;transform:skewY(25deg) translateX(-20px)}100%{opacity:1;transform:skewY(25deg) translateX(0)}}
.logo-wordmark{display:flex;flex-direction:column}
.lw-main{font-family:var(--sans);font-size:17px;font-weight:700;letter-spacing:2px;color:var(--dark);line-height:1}
.lw-sub{font-family:var(--sans);font-size:8.5px;font-weight:600;letter-spacing:2.4px;color:var(--blue);margin-top:2px}
body.dark .lw-sub{color:var(--blue-lt)}

.pnav-dd{position:relative;display:inline-block}
.pnav-dd>a{font-size:13px;font-weight:500;letter-spacing:1px;text-transform:uppercase;color:var(--txt-m);cursor:pointer}
.pnav-dd>a::after{content:'▾';margin-left:4px;font-size:10px;opacity:.5}
.pnav-dd-menu{position:absolute;top:100%;left:0;min-width:240px;background:rgba(255,255,255,.98);backdrop-filter:blur(24px);border:1px solid rgba(0,0,0,.06);border-top:2px solid var(--blue);padding:12px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .3s;z-index:200;box-shadow:0 12px 40px rgba(0,0,0,.08)}
body.dark .pnav-dd-menu{background:rgba(21,25,34,.98);border-color:rgba(255,255,255,.08)}
.pnav-dd:hover .pnav-dd-menu{opacity:1;visibility:visible;transform:translateY(0)}
.pnav-dd-menu a{display:block;padding:10px 24px;font-size:13px;letter-spacing:.5px;text-transform:none;color:var(--txt-m);transition:all .2s;margin:0}
.pnav-dd-menu a:hover{color:var(--blue);background:var(--blue-pale);padding-left:28px}
body.dark .pnav-dd-menu a:hover{background:rgba(59,94,240,.15);color:var(--blue-lt)}

.nav-right{display:flex;align-items:center;gap:16px}
.lang-switch{font-size:12px;color:var(--txt-m);cursor:pointer;letter-spacing:1px;font-weight:500;transition:color .3s;user-select:none}
.lang-switch:hover{color:var(--blue)}
body.dark .lang-switch:hover{color:var(--blue-lt)}
.theme-switch{background:none;border:none;cursor:pointer;padding:4px;display:inline-flex;align-items:center;justify-content:center;color:var(--txt-m);transition:color .3s,transform .4s var(--ease);line-height:0}
.theme-switch:hover{color:var(--blue);transform:rotate(-18deg)}
body.dark .theme-switch:hover{color:var(--blue-lt);transform:rotate(18deg)}
.theme-switch svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.theme-switch .sun{display:none}
body.dark .theme-switch .moon{display:none}
body.dark .theme-switch .sun{display:block}

.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.hamburger span{width:22px;height:1.5px;background:var(--dark);transition:all .3s;display:block}

/* ═══ HERO ═══ */
.phero{min-height:88vh;display:flex;align-items:center;padding:160px 48px 100px;background:var(--off-white);position:relative;overflow:hidden}
.phero-content{max-width:560px;position:relative;z-index:1}
.phero-tag{font-size:11px;letter-spacing:4px;text-transform:uppercase;color:var(--blue);font-weight:600;margin-bottom:24px;display:flex;align-items:center;gap:12px}
body.dark .phero-tag{color:var(--blue-lt)}
.phero-tag::before{content:'';width:28px;height:1.5px;background:currentColor}
.phero h1{font-family:var(--serif);font-size:clamp(38px,4.5vw,62px);font-weight:400;color:var(--dark);line-height:1.1;margin-bottom:24px}
.phero h1 em{font-style:italic;color:var(--blue)}
body.dark .phero h1 em{color:var(--blue-lt)}
.phero-sub{font-size:19px;color:var(--txt-m);line-height:1.85;margin-bottom:40px;max-width:480px}
.phero-img{position:absolute;right:0;top:0;width:50%;height:100%;overflow:hidden}
.phero-img img{width:100%;height:100%;object-fit:cover}
.phero-btn{display:inline-flex;align-items:center;gap:12px;background:var(--blue);color:white;padding:18px 40px;font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;transition:all .4s;box-shadow:0 4px 24px rgba(10,45,214,.3)}
.phero-btn:hover{background:var(--blue-mid);color:white;gap:16px;transform:translateY(-2px)}
body.dark .phero-btn{background:var(--blue-lt);color:#0e1118}
.phero-cta-row{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.phero-ghost{display:inline-flex;align-items:center;gap:10px;color:var(--txt-m);font-size:13px;letter-spacing:1.5px;text-transform:uppercase;cursor:pointer;transition:color .3s}
.phero-ghost:hover{color:var(--blue)}

/* ═══ FEATURES ═══ */
.pfeat-section{padding:120px 48px}
.pfeat-h2{font-family:var(--serif);font-size:clamp(32px,3.5vw,48px);font-weight:400;color:var(--dark);text-align:center;margin-bottom:80px}
.pfeat-h2 em{font-style:italic;color:var(--txt-m)}
.pfeat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;max-width:1200px;margin:0 auto}
.pfeat{text-align:center;padding:0 16px}
.pfeat-icon{width:56px;height:56px;margin:0 auto 24px;background:var(--blue-pale);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--blue)}
body.dark .pfeat-icon{color:var(--blue-lt)}
.pfeat h3{font-size:18px;font-weight:600;color:var(--dark);margin-bottom:12px}
.pfeat p{font-size:16px;color:var(--txt-m);line-height:1.75}

/* ═══ SHOWCASE (real-project lookbook) ═══ */
.pshowcase{padding:100px 48px;background:var(--off-white)}
.pshowcase-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.pshowcase-text h2{font-family:var(--serif);font-size:36px;font-weight:400;color:var(--dark);margin-bottom:20px}
.pshowcase-text h2 em{font-style:italic;color:var(--txt-m)}
.pshowcase-text p{font-size:17px;color:var(--txt-m);line-height:1.85;margin-bottom:16px}
.pshowcase-tag{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--blue);font-weight:600;margin-bottom:14px;display:block}
body.dark .pshowcase-tag{color:var(--blue-lt)}
.pshowcase-img img{width:100%;border-radius:3px;display:block;aspect-ratio:4/3;object-fit:cover}
.pshowcase-stats{display:flex;gap:32px;margin-top:32px;padding-top:24px;border-top:1px solid var(--mid-gray)}
.pshowcase-stat-num{font-size:32px;font-weight:300;color:var(--blue);line-height:1}
body.dark .pshowcase-stat-num{color:var(--blue-lt)}
.pshowcase-stat-label{font-size:13px;color:var(--txt-m);margin-top:6px}

/* ═══ CATALOG GALLERY ═══ */
.pgallery{padding:100px 48px;background:var(--white)}
.pgallery-inner{max-width:1280px;margin:0 auto}
.pgallery h2{font-family:var(--serif);font-size:36px;font-weight:400;color:var(--dark);text-align:center;margin-bottom:14px}
.pgallery h2 em{font-style:italic;color:var(--txt-m)}
.pgallery-sub{text-align:center;color:var(--txt-m);margin-bottom:48px}
.pgallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pgallery-grid .pg-item{position:relative;overflow:hidden;border-radius:3px;aspect-ratio:1/1;background:var(--off-white)}
.pgallery-grid .pg-item.tall{aspect-ratio:1/1.4;grid-row:span 1}
.pgallery-grid .pg-item img{width:100%;height:100%;object-fit:cover;cursor:zoom-in;transition:transform .6s var(--ease)}
.pgallery-grid .pg-item:hover img{transform:scale(1.04)}
.pgallery-grid .pg-item::after{content:'⛶';position:absolute;bottom:14px;right:14px;width:34px;height:34px;background:rgba(0,0,0,.55);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;opacity:0;transition:opacity .3s;pointer-events:none}
.pgallery-grid .pg-item:hover::after{opacity:1}

/* ═══ LIGHTBOX ═══ */
body.lb-open{overflow:hidden}
.lb-overlay{position:fixed;inset:0;background:rgba(8,10,16,.96);z-index:9999;display:none;align-items:center;justify-content:center}
.lb-overlay.open{display:flex;animation:lbFade .25s ease-out}
@keyframes lbFade{from{opacity:0}to{opacity:1}}
.lb-stage{width:90vw;height:88vh;display:flex;align-items:center;justify-content:center;overflow:hidden;cursor:grab;user-select:none}
.lb-stage:active{cursor:grabbing}
.lb-img{max-width:100%;max-height:100%;object-fit:contain;-webkit-user-drag:none;pointer-events:none}
.lb-close,.lb-prev,.lb-next{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:white;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:24px;line-height:1;transition:all .25s;backdrop-filter:blur(10px)}
.lb-close{top:24px;right:24px;font-size:28px}
.lb-prev{left:24px;top:50%;transform:translateY(-50%)}
.lb-next{right:24px;top:50%;transform:translateY(-50%)}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:rgba(255,255,255,.18);transform:scale(1.06);transform-origin:center}
.lb-prev:hover,.lb-next:hover{transform:translateY(-50%) scale(1.06)}
.lb-counter{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.7);font-size:13px;letter-spacing:2px;font-weight:500}

/* ═══ MATERIALES (modelos vidrio - keep) ═══ */
.pmat-section{padding:80px 48px;background:var(--off-white)}
.pmat-inner{max-width:1280px;margin:0 auto}
.pmat-h2{font-family:var(--serif);font-size:36px;font-weight:400;color:var(--dark);text-align:center;margin-bottom:14px}
.pmat-h2 em{font-style:italic;color:var(--txt-m)}
.pmat-sub{text-align:center;color:var(--txt-m);margin-bottom:48px}
.pmat-grid{display:grid;gap:20px}

/* ═══ SPECS ═══ */
.pspecs{padding:100px 48px;max-width:900px;margin:0 auto}
.pspecs h2{font-family:var(--serif);font-size:36px;font-weight:400;color:var(--dark);text-align:center;margin-bottom:56px}
.pspecs h2 em{font-style:italic;color:var(--txt-m)}
.pspecs-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--mid-gray)}
.pspec{padding:24px 0;border-bottom:1px solid var(--mid-gray);display:flex;justify-content:space-between;padding-right:40px}
.pspec:nth-child(even){padding-left:40px;padding-right:0}
.pspec-label{font-size:14px;color:var(--txt-l);text-transform:uppercase;letter-spacing:1px}
.pspec-val{font-size:16px;font-weight:500;color:var(--dark);text-align:right}

/* ═══ FAQ ═══ */
.pfaq{padding:100px 48px;background:var(--off-white)}
.pfaq-inner{max-width:800px;margin:0 auto}
.pfaq h2{font-family:var(--serif);font-size:36px;font-weight:400;color:var(--dark);text-align:center;margin-bottom:56px}
.pfaq h2 em{font-style:italic;color:var(--txt-m)}
.pfaq-item{border-bottom:1px solid var(--mid-gray);padding:24px 0}
.pfaq-q{font-size:18px;font-weight:500;color:var(--dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px}
.pfaq-q::after{content:'+';font-size:24px;color:var(--blue);font-weight:300;flex-shrink:0;transition:transform .3s}
body.dark .pfaq-q::after{color:var(--blue-lt)}
.pfaq-a{font-size:16px;color:var(--txt-m);line-height:1.85;max-height:0;overflow:hidden;transition:max-height .4s,padding .4s;padding:0}
.pfaq-item.open .pfaq-a{max-height:400px;padding:16px 0 0}
.pfaq-item.open .pfaq-q::after{content:'−'}

/* ═══ CTA ═══ */
.pcta{padding:120px 48px;text-align:center;background:linear-gradient(135deg,var(--blue),#061a8a);color:white;position:relative;overflow:hidden}
.pcta::before{content:'';position:absolute;top:-40%;right:-20%;width:500px;height:500px;border-radius:50%;background:rgba(255,255,255,.05)}
.pcta h2{font-family:var(--serif);font-size:clamp(32px,3.5vw,48px);font-weight:400;margin-bottom:20px;position:relative;z-index:1}
.pcta h2 em{font-style:italic;color:rgba(255,255,255,.6)}
.pcta p{font-size:19px;color:rgba(255,255,255,.7);margin-bottom:40px;max-width:560px;margin-left:auto;margin-right:auto;position:relative;z-index:1}
.pcta-btn{display:inline-flex;align-items:center;gap:12px;background:white;color:var(--blue);padding:18px 40px;font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;transition:all .4s;position:relative;z-index:1;box-shadow:0 4px 24px rgba(0,0,0,.15)}
.pcta-btn:hover{color:var(--blue);transform:translateY(-2px);box-shadow:0 12px 40px rgba(0,0,0,.25)}
.pcta-contact{margin-top:28px;font-size:15px;color:rgba(255,255,255,.55);position:relative;z-index:1}
.pcta-contact a{color:rgba(255,255,255,.85);text-decoration:underline}

/* ═══ RELATED + FOOTER ═══ */
.prelated{padding:80px 48px;max-width:1280px;margin:0 auto}
.prelated h3{font-family:var(--serif);font-size:28px;font-weight:400;color:var(--dark);text-align:center;margin-bottom:48px}
.prelated-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.prelated-card{overflow:hidden;border-radius:3px;background:var(--off-white);transition:all .3s;display:block}
.prelated-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.08)}
.prelated-card img{width:100%;height:200px;object-fit:cover}
.prelated-card span{display:block;padding:18px;font-size:15px;font-weight:500;color:var(--dark)}

.pfooter{text-align:center;padding:40px 48px;border-top:1px solid var(--mid-gray);font-size:13px;color:var(--txt-l);background:var(--white)}
.pfooter a{color:var(--txt-m);margin:0 12px}

/* ═══ MOBILE ═══ */
@media(max-width:900px){
  .pnav{padding:14px 20px}
  .pnav-links{display:none}
  .pnav-links.mob-open{display:block!important;position:fixed!important;top:0!important;left:0!important;right:0!important;bottom:0!important;width:100vw!important;height:100vh!important;height:100dvh!important;background:#fff!important;z-index:9999!important;overflow-y:auto!important;padding:90px 24px 60px!important;text-align:center!important;flex-direction:initial!important;align-items:initial!important;gap:0!important}
  body.dark .pnav-links.mob-open{background:#151922!important}
  .pnav-links.mob-open>a,.pnav-links.mob-open .pnav-dd>a{display:block!important;padding:18px 0!important;font-size:22px!important;font-weight:500!important;letter-spacing:2px!important;text-transform:uppercase!important;color:#1a1d26!important;border-bottom:1px solid rgba(0,0,0,.06)!important;margin:0!important;line-height:1.2!important;width:100%!important;cursor:pointer}
  body.dark .pnav-links.mob-open>a,body.dark .pnav-links.mob-open .pnav-dd>a{color:#f0f2f5!important;border-bottom-color:rgba(255,255,255,.08)!important}
  .pnav-links.mob-open .pnav-dd{display:block!important;width:100%!important;position:static!important}
  .pnav-links.mob-open .pnav-dd>a::after{content:' ▾'!important;font-size:14px!important;opacity:.6}
  .pnav-links.mob-open .pnav-dd.open>a::after{content:' ▴'!important}
  .pnav-links.mob-open .pnav-dd-menu{position:static!important;opacity:1!important;visibility:visible!important;transform:none!important;background:transparent!important;border:none!important;box-shadow:none!important;display:none!important;padding:8px 0 16px!important;min-width:0!important;width:100%!important;backdrop-filter:none!important}
  .pnav-links.mob-open .pnav-dd.open .pnav-dd-menu{display:block!important}
  .pnav-links.mob-open .pnav-dd-menu a{display:block!important;padding:10px 0!important;font-size:15px!important;letter-spacing:.5px!important;text-transform:none!important;color:#5c6378!important;font-weight:400!important;border:none!important;text-align:center!important}
  body.dark .pnav-links.mob-open .pnav-dd-menu a{color:#b0b6c5!important}
  body.mob-nav-open{overflow:hidden!important}
  .hamburger{display:flex}
  .nav-right .pnav-cta{display:none}
  .phero{flex-direction:column;min-height:auto;padding:120px 24px 60px}
  .phero-img{position:relative;width:100%;height:340px;margin-top:40px}
  .pfeat-section{padding:80px 24px}
  .pfeat-grid{grid-template-columns:1fr;gap:32px}
  .pshowcase{padding:80px 24px}
  .pshowcase-inner{grid-template-columns:1fr;gap:40px}
  .pgallery{padding:80px 24px}
  .pgallery-grid{grid-template-columns:1fr 1fr;gap:8px}
  .pmat-section{padding:60px 24px}
  .pspecs{padding:80px 24px}
  .pspecs-grid{grid-template-columns:1fr}
  .pspec{padding-right:0!important;padding-left:0!important}
  .pfaq{padding:80px 24px}
  .pcta{padding:80px 24px}
  .prelated{padding:60px 24px}
  .prelated-grid{grid-template-columns:1fr 1fr}
  .pfooter{padding:32px 20px}
  .lb-close,.lb-prev,.lb-next{width:40px;height:40px}
  .lb-prev{left:8px}.lb-next{right:8px}.lb-close{top:14px;right:14px}
}