/* ============ PREVEL — Premoldeados Villa Elisa ============ */
/* Brand tokens (RGB triplets so Tailwind alpha works) */
:root{
  --forest: 45 57 41;        /* #2D3929 deep olive/forest */
  --forest-deep: 31 39 28;   /* #1F271C */
  --sage: 79 107 64;         /* #4F6B40 secondary card green */
  --concrete: 233 231 225;   /* #E9E7E1 */
  --concrete-2: 220 217 208; /* #DCD9D0 */
  --paper: 245 243 237;      /* #F5F3ED */
  --ink: 26 31 23;           /* #1A1F17 */
  --muted: 92 100 85;        /* muted text on light */

  --radius: 22px;
  --hero-overlay: 0.62;
  --font-display: "Archivo", system-ui, sans-serif;
  --font-body: "Poppins", system-ui, sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  color:rgb(var(--ink));
  background:rgb(var(--paper));
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,.display{font-family:var(--font-display);font-weight:800;letter-spacing:-0.01em;line-height:1.02;text-wrap:balance;}
p{text-wrap:pretty}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
section{scroll-margin-top:84px}

/* Subtle cement grain for light surfaces */
.texture-concrete{position:relative}
.texture-concrete::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.06'/></svg>");
}

/* ---------- Logo wordmark: PRE ||||| VEL ---------- */
.pv-logo{display:inline-flex;align-items:center;gap:.14em;font-family:var(--font-display);
  font-weight:900;letter-spacing:.01em;line-height:1;font-size:1.5rem;color:rgb(var(--forest));user-select:none}
.pv-logo .pv-bars{display:flex;align-items:stretch;gap:.085em;height:.82em;margin:0 .07em}
.pv-logo .pv-bars i{display:block;width:.085em;background:currentColor;border-radius:1px}
.pv-logo .pv-bars i:nth-child(1){width:.075em}
.pv-logo .pv-bars i:nth-child(2){width:.16em}
.pv-logo .pv-bars i:nth-child(3){width:.075em}
.pv-logo .pv-bars i:nth-child(4){width:.075em}
.pv-logo .pv-bars i:nth-child(5){width:.16em}
.pv-logo .pv-bars i:nth-child(6){width:.075em}
.pv-logo.is-light{color:rgb(var(--paper))}

/* ---------- Section heading rule (catalog motif) ---------- */
.eyebrow{font-family:var(--font-display);font-weight:700;text-transform:uppercase;
  letter-spacing:.18em;font-size:.74rem}
.heading-rule{height:3px;width:100%;background:currentColor;opacity:.9;border:0}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  font-family:var(--font-display);font-weight:700;letter-spacing:.01em;
  padding:.92em 1.5em;border-radius:999px;font-size:.95rem;cursor:pointer;border:2px solid transparent;
  transition:transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;}
.btn:active{transform:translateY(1px)}
.btn-wa{background:#25D366;color:#06301a}
.btn-wa:hover{background:#1fbe5b;box-shadow:0 8px 24px rgba(37,211,102,.32)}
.btn-forest{background:rgb(var(--forest));color:rgb(var(--paper))}
.btn-forest:hover{background:rgb(var(--forest-deep));box-shadow:0 10px 30px rgba(31,39,28,.28)}
.btn-outline{border-color:currentColor;background:transparent}
.btn-outline:hover{background:rgb(var(--ink));color:rgb(var(--paper));border-color:rgb(var(--ink))}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:rgb(var(--forest))}

/* chips / tags */
.tag{display:inline-flex;align-items:center;gap:.4em;font-family:var(--font-display);
  font-weight:700;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
  padding:.42em .7em;border-radius:999px}
.tag-stock{background:#25D366;color:#06301a}
.tag-order{background:rgb(var(--sage));color:#fff}

/* ---------- Product / work cards ---------- */
.card{background:#fff;border-radius:var(--radius);overflow:hidden;
  box-shadow:0 1px 2px rgba(26,31,23,.06), 0 18px 40px -28px rgba(26,31,23,.4);
  border:1px solid rgba(26,31,23,.06);transition:transform .25s ease, box-shadow .25s ease;}
.card:hover{transform:translateY(-4px);box-shadow:0 1px 2px rgba(26,31,23,.06), 0 28px 54px -26px rgba(26,31,23,.5)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:rgb(var(--concrete-2));position:relative}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-media img{transform:scale(1.05)}
.card-view-hint{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:.5em;
  background:rgba(26,31,23,.45);color:#fff;
  font-family:var(--font-display);font-weight:700;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;
  opacity:0;transition:opacity .28s ease;pointer-events:none;
}
.card:hover .card-view-hint{opacity:1}

/* ---------- Product Modal ---------- */
.modal-overlay{
  position:fixed;inset:0;z-index:80;
  background:rgba(26,31,23,.75);
  backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);
  display:flex;align-items:center;justify-content:center;
  padding:12px;
  opacity:0;pointer-events:none;
  transition:opacity .28s ease;
}
.modal-overlay.open{opacity:1;pointer-events:auto}
.modal-box{
  background:rgb(var(--paper));
  border-radius:var(--radius);
  width:100%;max-width:860px;
  max-height:92vh;
  overflow:hidden;overflow-y:auto;
  position:relative;
  box-shadow:0 32px 80px rgba(0,0,0,.42);
  transform:translateY(28px) scale(.97);
  transition:transform .34s cubic-bezier(.2,.7,.2,1);
}
.modal-overlay.open .modal-box{transform:none}
.modal-close{
  position:sticky;top:12px;float:right;margin:12px 12px 0 0;z-index:5;
  width:40px;height:40px;border-radius:999px;border:0;
  background:rgba(26,31,23,.1);color:rgb(var(--ink));cursor:pointer;
  display:grid;place-items:center;transition:background .18s;flex-shrink:0;
}
.modal-close:hover{background:rgba(26,31,23,.2)}
.modal-inner{display:grid;clear:both}
@media(min-width:600px){.modal-inner{grid-template-columns:54% 46%}}
.modal-media{background:rgb(var(--concrete-2));overflow:hidden}
.modal-main-img{aspect-ratio:4/3;overflow:hidden}
.modal-main-img img{width:100%;height:100%;object-fit:cover;transition:opacity .22s ease}
.modal-thumbs{display:flex;gap:8px;padding:10px 12px;overflow-x:auto;scrollbar-width:none}
.modal-thumbs::-webkit-scrollbar{display:none}
.modal-thumb{
  flex-shrink:0;width:68px;height:50px;border-radius:9px;overflow:hidden;cursor:pointer;
  border:2.5px solid transparent;transition:border-color .18s,opacity .18s;opacity:.65;
}
.modal-thumb.active,.modal-thumb:hover{border-color:rgb(var(--sage));opacity:1}
.modal-thumb img{width:100%;height:100%;object-fit:cover}
.modal-info{padding:22px 24px 28px;display:flex;flex-direction:column;gap:14px}
@media(min-width:600px){.modal-info{padding:32px 30px 36px;justify-content:center}}
.modal-product-name{font-family:var(--font-display);font-weight:800;font-size:clamp(1.45rem,2.8vw,2.1rem);line-height:1.1;margin:0}
.modal-desc-full{font-size:15.5px;line-height:1.72;color:rgb(var(--muted));margin:0}

/* ---------- Card extra-images thumbnail strip ---------- */
.card-thumbs-strip{
  position:absolute;bottom:0;left:0;right:0;
  padding:28px 10px 8px;
  display:flex;gap:5px;
  background:linear-gradient(to top, rgba(20,26,18,.65) 0%, transparent 100%);
  pointer-events:none;
}
.card-thumb-mini{
  width:42px;height:30px;border-radius:6px;overflow:hidden;flex-shrink:0;
  border:1.5px solid rgba(255,255,255,.35);
  box-shadow:0 2px 6px rgba(0,0,0,.2);
  opacity:.55;
}
.card-thumb-mini img{width:100%;height:100%;object-fit:cover;display:block}

/* striped placeholder for missing photos */
.ph{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:repeating-linear-gradient(135deg, rgb(var(--concrete-2)) 0 14px, rgb(var(--concrete)) 14px 28px);
  color:rgb(var(--muted));}
.ph span{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.72rem;letter-spacing:.06em;
  text-transform:uppercase;background:rgba(245,243,237,.85);padding:.35em .7em;border-radius:6px;
  border:1px dashed rgba(92,100,85,.5)}

/* ---------- Carousel ---------- */
.carousel{position:relative}
.carousel-track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;padding:4px;}
.carousel-track::-webkit-scrollbar{display:none}
.slide{flex:0 0 86%;scroll-snap-align:center;border-radius:var(--radius);overflow:hidden;position:relative;
  background:rgb(var(--forest));box-shadow:0 24px 60px -30px rgba(0,0,0,.6)}
.slide img{width:100%;height:clamp(260px,52vh,560px);object-fit:cover}
.slide-cap{position:absolute;left:0;right:0;bottom:0;padding:1.4rem 1.4rem 1.2rem;
  background:linear-gradient(to top, rgba(20,26,18,.86), rgba(20,26,18,0));color:#fff}
@media(min-width:768px){.slide{flex-basis:62%}}
@media(min-width:1200px){.slide{flex-basis:48%}}
.car-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:52px;height:52px;border-radius:999px;
  background:rgba(245,243,237,.92);color:rgb(var(--forest));border:0;cursor:pointer;display:grid;place-items:center;
  box-shadow:0 8px 24px rgba(0,0,0,.22);transition:background .18s, transform .18s}
.car-btn:hover{background:#fff;transform:translateY(-50%) scale(1.06)}
.car-btn.prev{left:-6px}
.car-btn.next{right:-6px}
@media(min-width:768px){.car-btn.prev{left:14px}.car-btn.next{right:14px}}
.car-dots{display:flex;gap:8px;justify-content:center;margin-top:22px}
.car-dots button{width:9px;height:9px;border-radius:999px;border:0;background:rgb(var(--concrete-2));cursor:pointer;padding:0;transition:width .2s,background .2s}
.car-dots button[aria-current="true"]{width:30px;background:rgb(var(--forest))}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- WhatsApp FAB ---------- */
.wa-fab{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));
  z-index:60;width:60px;height:60px;border-radius:999px;background:#25D366;color:#fff;display:grid;place-items:center;
  box-shadow:0 12px 30px rgba(37,211,102,.45);transition:transform .2s ease, box-shadow .2s ease}
.wa-fab:hover{transform:scale(1.07);box-shadow:0 16px 38px rgba(37,211,102,.55)}
.wa-fab::after{content:"";position:absolute;inset:0;border-radius:999px;border:2px solid #25D366;
  animation:wa-pulse 2.4s ease-out infinite}
@keyframes wa-pulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.7);opacity:0}}
@media(prefers-reduced-motion:reduce){.wa-fab::after{animation:none}}

/* ---------- Mobile nav ---------- */
.mnav{
  position:fixed;inset:0;z-index:55;background:rgb(var(--forest-deep));
  display:flex;flex-direction:column;padding:1.2rem 1.4rem;
  transform:translateX(100%);opacity:0;
  transition:transform .34s cubic-bezier(.2,.7,.2,1),opacity .28s ease;
}
.mnav.open{transform:none;opacity:1}
.mnav > a:not(.btn){
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(1.25rem,5.5vw,1.75rem);
  color:#fff;padding:.55rem 0;
  border-bottom:1px solid rgba(255,255,255,.12);
  display:block;
  opacity:0;transform:translateX(24px);
  transition:opacity .35s ease,transform .35s cubic-bezier(.2,.7,.2,1),color .18s ease,padding-left .22s ease;
}
.mnav > a:not(.btn):hover{color:rgb(var(--sage));padding-left:.55rem}
.mnav.open > a:not(.btn){opacity:1;transform:none}
.mnav.open > a:nth-child(2){transition-delay:.07s}
.mnav.open > a:nth-child(3){transition-delay:.12s}
.mnav.open > a:nth-child(4){transition-delay:.17s}
.mnav.open > a:nth-child(5){transition-delay:.22s}
.mnav.open > a:nth-child(6){transition-delay:.27s}
.mnav .btn{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(.78rem,3.8vw,.9rem);
  border-bottom:none;padding:.76em 1.2em;
}

/* ---------- Form fields ---------- */
.field{width:100%;background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.18);
  color:#fff;border-radius:14px;padding:.9rem 1rem;font-family:var(--font-body);font-size:1rem;outline:none;
  transition:border-color .18s, background .18s}
.field::placeholder{color:rgba(255,255,255,.5)}
.field:focus{border-color:#25D366;background:rgba(255,255,255,.1)}
.field-light{background:#fff;border-color:rgba(26,31,23,.14);color:rgb(var(--ink))}
.field-light::placeholder{color:rgba(92,100,85,.75)}
select.field option{color:#1a1f17}

/* ---------- Header ---------- */
#header{position:sticky;top:0;z-index:50;transition:background .25s ease, box-shadow .25s ease, backdrop-filter .25s}
#header.scrolled{background:rgba(245,243,237,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:0 1px 0 rgba(26,31,23,.08), 0 10px 30px -22px rgba(26,31,23,.6)}
.nav-link{font-family:var(--font-display);font-weight:600;font-size:.95rem;color:rgb(var(--ink));
  padding:.4rem .2rem;position:relative;transition:color .18s}
.nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:rgb(var(--sage));transition:right .25s ease}
.nav-link:hover{color:rgb(var(--sage))}
.nav-link:hover::after{right:0}

/* ---------- Burger icon ---------- */
#burger{transition:background .18s ease,border-color .18s ease}
#burger:hover{background:rgba(26,31,23,.08);border-color:rgba(26,31,23,.32)}
.bline{
  transform-box:fill-box;
  transform-origin:center;
  transition:transform .32s cubic-bezier(.2,.7,.2,1),opacity .25s ease;
}
#burger.is-open .b1{transform:translateY(6px) rotate(45deg)}
#burger.is-open .b2{opacity:0;transform:scaleX(0)}
#burger.is-open .b3{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Specs strip ---------- */
.spec{display:flex;flex-direction:column;gap:.15rem}
.spec b{font-family:var(--font-display);font-weight:800;font-size:1.7rem;line-height:1;color:#fff}
.spec span{font-size:.82rem;color:rgba(255,255,255,.72)}

/* ---------- Tweaks panel (host protocol, hand-rolled) ---------- */
#twk{position:fixed;right:16px;bottom:16px;z-index:2147483646;width:268px;display:none;
  flex-direction:column;background:rgba(245,243,237,.82);color:rgb(var(--ink));
  -webkit-backdrop-filter:blur(22px) saturate(150%);backdrop-filter:blur(22px) saturate(150%);
  border:.5px solid rgba(255,255,255,.6);border-radius:14px;
  box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 12px 40px rgba(0,0,0,.22);
  font:12px/1.45 ui-sans-serif,system-ui,sans-serif;overflow:hidden}
#twk.open{display:flex}
#twk .hd{display:flex;align-items:center;justify-content:space-between;padding:11px 8px 11px 14px;cursor:move}
#twk .hd b{font-family:var(--font-display);font-size:12.5px;font-weight:800;letter-spacing:.02em}
#twk .x{border:0;background:transparent;color:rgba(26,31,23,.5);width:24px;height:24px;border-radius:6px;cursor:pointer;font-size:15px}
#twk .x:hover{background:rgba(0,0,0,.07);color:rgb(var(--ink))}
#twk .bd{padding:2px 14px 15px;display:flex;flex-direction:column;gap:13px}
#twk .sect{font-size:10px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:rgba(26,31,23,.45);padding-top:4px}
#twk label.row{display:flex;flex-direction:column;gap:7px}
#twk .lbl{display:flex;justify-content:space-between;font-weight:600;color:rgba(26,31,23,.78)}
#twk .lbl .v{color:rgba(26,31,23,.5);font-variant-numeric:tabular-nums}
#twk .swatches{display:flex;gap:8px}
#twk .sw{width:30px;height:30px;border-radius:8px;border:2px solid transparent;cursor:pointer;padding:0;position:relative}
#twk .sw[aria-pressed="true"]{border-color:rgb(var(--ink));box-shadow:0 0 0 2px rgba(245,243,237,.9) inset}
#twk .seg{display:flex;padding:2px;border-radius:9px;background:rgba(0,0,0,.07);gap:2px}
#twk .seg button{flex:1;border:0;background:transparent;font:inherit;font-weight:600;padding:6px 4px;border-radius:7px;cursor:pointer;color:rgba(26,31,23,.7)}
#twk .seg button[aria-pressed="true"]{background:#fff;color:rgb(var(--ink));box-shadow:0 1px 2px rgba(0,0,0,.12)}
#twk input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:999px;background:rgba(0,0,0,.14);outline:none}
#twk input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:#fff;border:.5px solid rgba(0,0,0,.15);box-shadow:0 1px 3px rgba(0,0,0,.25);cursor:pointer}

/* ---------- Solutions category modal ---------- */
.sol-modal-box{max-width:960px}
.sol-modal-inner{padding:32px}
@media(max-width:599px){.sol-modal-inner{padding:20px 16px 28px}}
.sol-modal-header{margin-bottom:24px}
.sol-modal-title{font-family:var(--font-display);font-weight:800;font-size:clamp(1.6rem,3vw,2.4rem);
  line-height:1.05;text-transform:uppercase;margin:6px 0 0}
.sol-modal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.sol-model-card{background:#fff;border-radius:calc(var(--radius) - 6px);overflow:hidden;
  border:1px solid rgba(26,31,23,.07);box-shadow:0 2px 12px rgba(26,31,23,.06);
  display:flex;flex-direction:column}
.sol-model-img{aspect-ratio:4/3;overflow:hidden;background:rgb(var(--concrete-2));position:relative}
.sol-model-img img{width:100%;height:100%;object-fit:cover}
.sol-model-img .ph{position:absolute;inset:0}
.sol-model-info{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.sol-model-name{font-family:var(--font-display);font-weight:800;font-size:1.05rem;margin:0;line-height:1.2}
.sol-model-desc{font-size:13.5px;line-height:1.6;color:rgb(var(--muted));margin:0;flex:1}
.sol-model-btn{font-size:.82rem !important;padding:.6em 1.1em !important;align-self:flex-start;margin-top:4px}