/* ==========================================================================
   FORZA STEEL DESIGN — stylesheet
   Design tokens
   -------------------------------------------------------------------------
   Ink        #0b0c0d   base steel-shop black
   Plate      #1c1d1f   panel surface (raised steel)
   PlateEdge  #2a2b2d   panel border / seam
   Oxide      #c8531f   rust / oxidized steel accent (primary)
   Spark      #f2b100   arc-weld amber (secondary / hazard stripe)
   Steel      #cdd2d4   brushed steel text (headings on dark)
   Mist       #9aa0a3   muted steel text (body copy)
   White      #f4f5f4   near-white for max contrast
   ========================================================================== */

@font-face {
  font-family: "Mokoto";
  src: url("../fonts/mokoto-regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root{
  --ink: #0b0c0d;
  --ink-2: #131415;
  --plate: #1c1d1f;
  --plate-edge: #2f3133;
  --oxide: #c8531f;
  --oxide-2: #8f3812;
  --spark: #f2b100;
  --steel: #d7dbdc;
  --mist: #9aa0a3;
  --white: #f4f5f4;
  --line: rgba(215,219,220,0.12);

  --font-display: "Mokoto", "Arial Narrow", sans-serif;
  --font-body: "Rajdhani", "Segoe UI", Arial, sans-serif;

  --container: 1180px;
  --radius: 2px;
  --ease: cubic-bezier(.2,.8,.2,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(200,83,31,0.10), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(242,177,0,0.06), transparent 55%),
    var(--ink);
  color: var(--steel);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---- oxidized steel texture layer, sits behind all content ---- */
.texture-layer{
  position: fixed; inset:0; z-index:0; pointer-events:none;
  opacity: .5;
  mix-blend-mode: overlay;
  background-image: url("../img/grain.svg");
  background-size: 480px 480px;
}
.texture-diamond{
  position: fixed; inset:0; z-index:0; pointer-events:none;
  opacity:.05;
  background:
    repeating-linear-gradient(45deg, var(--steel) 0 2px, transparent 2px 26px),
    repeating-linear-gradient(-45deg, var(--steel) 0 2px, transparent 2px 26px);
  mix-blend-mode: overlay;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-family: var(--font-display); font-weight:400; text-transform:uppercase; color:var(--white); letter-spacing:.02em; }
p{ margin:0; }

.wrap{ max-width: var(--container); margin:0 inline auto; padding-inline:24px; margin-left:auto; margin-right:auto; position:relative; z-index:1; }

:focus-visible{ outline: 2px solid var(--spark); outline-offset:3px; }

/* ---- eyebrow / part-number tag (real content: SKU-style labels) ---- */
.tag{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-body); font-weight:700; letter-spacing:.18em;
  font-size:12px; text-transform:uppercase; color: var(--oxide);
}
.tag::before{ content:""; width:22px; height:2px; background: var(--oxide); display:inline-block; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position: sticky; top:0; z-index:50;
  background: linear-gradient(180deg, rgba(11,12,13,.96), rgba(11,12,13,.9));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; height:76px; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:30px; width:auto; }
.brand small{ display:block; font-size:9px; letter-spacing:.3em; color:var(--mist); font-weight:700; }

.nav-list{ display:flex; align-items:center; gap:6px; }
.nav-list a{
  padding:10px 14px; font-family: var(--font-body); font-weight:700;
  letter-spacing:.08em; font-size:14px; text-transform:uppercase; color:var(--steel);
  border-bottom:2px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.nav-list a:hover, .nav-list a.active{ color: var(--white); border-color: var(--oxide); }

.btn-nav-cta{
  display:inline-flex; align-items:center; gap:8px;
  background: var(--oxide); color:var(--ink) !important; font-weight:800;
  padding:10px 16px; letter-spacing:.06em; font-size:13px; text-transform:uppercase;
  border-radius: var(--radius);
  box-shadow: 0 0 0 1px var(--oxide-2) inset;
}
.btn-nav-cta:hover{ background: var(--spark); }

.nav-toggle{ display:none; background:none; border:1px solid var(--line); color:var(--steel); width:44px; height:40px; }

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family: var(--font-body); font-weight:800; letter-spacing:.06em;
  text-transform:uppercase; font-size:14px;
  padding:14px 26px; border-radius: var(--radius); border:1px solid transparent;
  cursor:pointer; transition: transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--oxide); color:var(--ink); box-shadow: 0 0 0 1px var(--oxide-2) inset; }
.btn-primary:hover{ background: var(--spark); }
.btn-outline{ background:transparent; border-color: var(--line); color: var(--steel); }
.btn-outline:hover{ border-color: var(--steel); }
.btn-whatsapp{ background:#1c1d1f; color:var(--white); border:1px solid var(--line); }
.btn-whatsapp:hover{ border-color:#25D366; color:#25D366; }
.btn-whatsapp svg{ width:18px; height:18px; fill:currentColor; }
.btn-instagram{ background:#1c1d1f; color:var(--white); border:1px solid var(--line); }
.btn-instagram:hover{ border-color:#e1306c; color:#ffffff;
  background: linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);
}
.btn-instagram svg{ width:18px; height:18px; fill:currentColor; }
/* ==========================================================================
   HERO
   ========================================================================== */
.hero{ position:relative; padding: 64px 0 96px; overflow:hidden; }
.hero::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:10px;
  background: repeating-linear-gradient(115deg, var(--spark) 0 26px, var(--ink) 26px 40px, var(--oxide) 40px 66px, var(--ink) 66px 80px);
  opacity:.9;
}
.hero-grid{ display:grid; grid-template-columns: 1.05fr .95fr; gap:40px; align-items:center; }
.hero-eyebrow{ margin-bottom:18px; }
.hero h1{
  font-size: clamp(42px, 6vw, 76px); line-height:.96; letter-spacing:.01em;
}
.hero h1 .accent{ color: var(--oxide); }
.hero-sub{
  margin-top:22px; max-width:52ch; color: var(--mist); font-size:18px; font-weight:500;
}
.hero-actions{ margin-top:34px; display:flex; gap:14px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:28px; margin-top:44px; flex-wrap:wrap; }
.hero-stats div{ border-left:2px solid var(--oxide); padding-left:12px; }
.hero-stats b{ display:block; font-family:var(--font-display); font-size:28px; color:var(--white); font-weight:400; }
.hero-stats span{ font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--mist); }

.hero-art{
  position:relative; background: var(--plate);
  border:1px solid var(--plate-edge);
  padding:26px; transform: skewX(-2deg);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.6);
}
.hero-art > *{ transform: skewX(2deg); }
.hero-art img{ width:100%; height:auto; background:#eceeec; padding:10px; }
.rivet{ position:absolute; width:9px; height:9px; border-radius:50%; background: radial-gradient(circle at 35% 30%, #eee, #666 70%, #222); }
.rivet.tl{ top:10px; left:10px;} .rivet.tr{ top:10px; right:10px;} .rivet.bl{ bottom:10px; left:10px;} .rivet.br{ bottom:10px; right:10px;}

/* ==========================================================================
   HAZARD DIVIDER (signature motif — used between major sections)
   ========================================================================== */
.hazard-divider{
  height:14px;
  background: repeating-linear-gradient(115deg, var(--spark) 0 26px, var(--ink-2) 26px 40px, var(--oxide) 40px 66px, var(--ink-2) 66px 80px);
}

/* ==========================================================================
   WELD SEAM — signature scroll-reveal divider between product/category blocks
   ========================================================================== */
.weld{
  position:relative; height:64px; display:flex; align-items:center; justify-content:center;
  margin: 8px 0;
}
.weld svg{ width:100%; height:100%; overflow:visible; }
.weld path{
  fill:none; stroke: var(--oxide); stroke-width:2; stroke-linecap:round;
  stroke-dasharray: 1400; stroke-dashoffset: 1400;
  transition: stroke-dashoffset 1.4s var(--ease);
}
.weld.in-view path{ stroke-dashoffset:0; }
.weld .spark{
  opacity:0; transform-origin:center;
}
.weld.in-view .spark{ animation: sparkPop 1.4s var(--ease) forwards; }
@keyframes sparkPop{
  0%{ opacity:0; offset-distance:0%; }
  8%{ opacity:1; }
  92%{ opacity:1; }
  100%{ opacity:0; offset-distance:100%; }
}

/* ==========================================================================
   SECTION HEADINGS
   ========================================================================== */
.section{ padding:88px 0; position:relative; }
.section-head{ max-width:720px; margin-bottom:48px; }
.section-head h2{ font-size: clamp(30px,4vw,46px); margin-top:14px; }
.section-head p{ margin-top:16px; color:var(--mist); font-size:17px; }
.section.alt{ background: linear-gradient(180deg, rgba(255,255,255,0.015), transparent); }

/* ==========================================================================
   CATEGORY / PIT-LANE SELECTOR CARDS
   ========================================================================== */
.category-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.category-card{
  position:relative; display:block; background: var(--plate);
  border:1px solid var(--plate-edge); overflow:hidden; min-height:340px;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.category-card:hover{ transform: translateY(-6px); border-color: var(--oxide); }
.category-card .plate-num{
  position:absolute; top:16px; left:16px; z-index:2;
  font-family:var(--font-body); font-weight:800; font-size:12px; letter-spacing:.14em;
  color:var(--ink); background: var(--spark); padding:4px 9px;
}
.category-card figure{ margin:0; height:220px; background:#e8eae8; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.category-card img{ height:100%; width:100%; object-fit:contain; padding:18px; transition: transform .5s var(--ease); }
.category-card:hover img{ transform: scale(1.06); }
.category-card figcaption{ padding:20px; }
.category-card h3{ font-size:24px; }
.category-card .desc{ margin-top:8px; color:var(--mist); font-size:14.5px; }
.category-card .go{
  margin-top:14px; display:inline-flex; align-items:center; gap:8px; color:var(--oxide);
  font-weight:800; font-size:13px; letter-spacing:.08em; text-transform:uppercase;
}
.category-card .go svg{ width:14px; height:14px; transition: transform .2s var(--ease); }
.category-card:hover .go svg{ transform: translateX(4px); }

/* ==========================================================================
   PRODUCT GRID (used inside category pages)
   ========================================================================== */
.product-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.product-card{
  background: var(--plate); border:1px solid var(--plate-edge); display:flex; flex-direction:column;
}
.product-card figure{ margin:0; background:#eceeec; height:230px; display:flex; align-items:center; justify-content:center; }
.product-card img{ max-height:100%; object-fit:contain; padding:16px; }
.product-card .body{ padding:20px; display:flex; flex-direction:column; gap:10px; flex:1; }
.product-card .sku{ font-size:11px; letter-spacing:.14em; color:var(--oxide); font-weight:800; text-transform:uppercase; }
.product-card h3{ font-size:21px; }
.product-card p{ color:var(--mist); font-size:14.5px; flex:1; }
.product-card .row{ display:flex; gap:10px; margin-top:6px; }
.product-card .btn{ padding:10px 16px; font-size:12.5px; flex:1; }

/* ==========================================================================
   PRODUCT DETAIL
   ========================================================================== */
.product-detail{ display:grid; grid-template-columns: 1.1fr .9fr; gap:52px; align-items:start; }
.gallery-main{ background:#eceeec; border:1px solid var(--plate-edge); height:440px; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.gallery-main img{ max-height:100%; max-width:100%; object-fit:contain; padding:20px; }
.gallery-thumbs{ display:grid; grid-template-columns:repeat(5,1fr); gap:10px; margin-top:10px; }
.gallery-thumbs button{
  padding:0; border:2px solid var(--plate-edge); background:#eceeec; height:78px; cursor:pointer;
}
.gallery-thumbs button.active{ border-color: var(--oxide); }
.gallery-thumbs img{ width:100%; height:100%; object-fit:contain; padding:6px; }

.pd-eyebrow{ display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.pd-eyebrow .sku{ font-size:12px; font-weight:800; letter-spacing:.14em; color:var(--ink); background:var(--spark); padding:3px 9px; }
.product-detail h1{ font-size: clamp(30px,4vw,42px); }
.product-detail .lede{ margin-top:16px; color:var(--mist); font-size:17px; }
.spec-list{ margin-top:26px; border-top:1px solid var(--line); }
.spec-list div{ display:flex; justify-content:space-between; padding:12px 0; border-bottom:1px solid var(--line); font-size:14.5px; }
.spec-list span:first-child{ color:var(--mist); text-transform:uppercase; letter-spacing:.06em; font-size:12.5px; font-weight:700; }
.spec-list span:last-child{ color:var(--steel); font-weight:600; }
.pd-actions{ display:flex; gap:12px; margin-top:28px; flex-wrap:wrap; }

.video-wrap{ margin-top:56px; }
.video-frame{ position:relative; padding-top:56.25%; background:#000; border:1px solid var(--plate-edge); }
.video-frame video, .video-frame iframe{ position:absolute; inset:0; width:100%; height:100%; }

.long-desc{ margin-top:56px; max-width:76ch; }
.long-desc h2{ font-size:26px; margin-bottom:16px; }
.long-desc p + p{ margin-top:14px; }
.long-desc p{ color:var(--mist); }

/* ==========================================================================
   USE-CASE / SEO KEYWORD STRIP
   ========================================================================== */
.keyword-strip{ display:flex; flex-wrap:wrap; gap:10px; margin-top:22px; }
.keyword-strip span{
  border:1px solid var(--line); color:var(--mist); font-size:12.5px; letter-spacing:.06em;
  text-transform:uppercase; padding:7px 12px; font-weight:700;
}

/* ==========================================================================
   FEATURE / TRUST STRIP
   ========================================================================== */
.feature-strip{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--plate-edge); border:1px solid var(--plate-edge); }
.feature-strip div{ background:var(--ink-2); padding:26px 22px; }
.feature-strip h4{ font-size:15px; letter-spacing:.04em; color:var(--white); font-family:var(--font-body); font-weight:800; text-transform:uppercase; }
.feature-strip p{ margin-top:8px; font-size:13.5px; color:var(--mist); }

/* ==========================================================================
   TESTIMONIAL / SOCIAL PROOF (simple)
   ========================================================================== */
.quote-block{ border-left:3px solid var(--oxide); padding-left:24px; max-width:640px; }
.quote-block p{ font-size:20px; color:var(--steel); font-style:normal; }
.quote-block cite{ display:block; margin-top:14px; font-size:13px; color:var(--mist); font-style:normal; letter-spacing:.06em; text-transform:uppercase; }

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-panel{
  background: var(--plate); border:1px solid var(--plate-edge); padding:48px; display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center;
}
.contact-panel h2{ font-size:34px; }
.contact-panel p{ color:var(--mist); margin-top:14px; }
.contact-methods{ display:flex; flex-direction:column; gap:14px; }
.contact-methods a{ display:flex; align-items:center; gap:12px; padding:16px 18px; border:1px solid var(--line); font-weight:700; letter-spacing:.03em; }
.contact-methods a:hover{ border-color: var(--oxide); color: var(--white); }
.contact-methods svg{ width:20px; height:20px; fill: var(--oxide); flex-shrink:0; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{ border-top:1px solid var(--line); padding:56px 0 30px; margin-top:40px; }
.footer-grid{ display:grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap:32px; }
.footer-grid h5{ font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--white); margin-bottom:14px; font-weight:800; }
.footer-grid a{ display:block; color:var(--mist); font-size:14px; padding:6px 0; }
.footer-grid a:hover{ color: var(--oxide); }
.footer-brand img{ height:28px; margin-bottom:14px; }
.footer-brand p{ color:var(--mist); font-size:13.5px; max-width:32ch; }
.footer-bottom{ margin-top:44px; padding-top:22px; border-top:1px solid var(--line); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:12.5px; color:var(--mist); letter-spacing:.03em; }

/* ==========================================================================
   FLOATING INSTAGRAM BUTTON (sits above the WhatsApp float button)
   ========================================================================== */
.ig-float{
  position:fixed; right:22px; bottom:90px; z-index:80;
  display:flex; align-items:center; gap:10px;
  background:#1c1d1f; color:#f4f5f4;
  border:1px solid #bc1888;
  padding:14px 18px; border-radius:40px; font-weight:800; letter-spacing:.03em; font-size:14px;
  box-shadow: 0 10px 30px -8px rgba(0,0,0,.7);
}
.ig-float svg{ width:22px; height:22px; }
.ig-float:hover{
  color:#ffffff;
  background: linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);
  border-color: transparent;
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON
   ========================================================================== */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:80;
  display:flex; align-items:center; gap:10px;
  background:#1e2b22; color:#f4f5f4; border:1px solid #25D366;
  padding:14px 18px; border-radius:40px; font-weight:800; letter-spacing:.03em; font-size:14px;
  box-shadow: 0 10px 30px -8px rgba(0,0,0,.7);
  animation: waPulse 2.6s ease-in-out infinite;
}
.wa-float svg{ width:22px; height:22px; fill:#25D366; }
.wa-float:hover{ background:#25D366; color:#0b0c0d; }
.wa-float:hover svg{ fill:#0b0c0d; }
@keyframes waPulse{
  0%,100%{ box-shadow: 0 10px 30px -8px rgba(0,0,0,.7), 0 0 0 0 rgba(37,211,102,.35); }
  50%{ box-shadow: 0 10px 30px -8px rgba(0,0,0,.7), 0 0 0 10px rgba(37,211,102,0); }
}

/* ==========================================================================
   PAGE HERO (category pages — smaller than home hero)
   ========================================================================== */
.page-hero{ padding:56px 0 40px; border-bottom:1px solid var(--line); }
.page-hero .tag{ margin-bottom:14px; }
.page-hero h1{ font-size: clamp(34px,5vw,58px); }
.page-hero p{ margin-top:16px; max-width:64ch; color:var(--mist); font-size:17px; }
.breadcrumb{ font-size:12.5px; color:var(--mist); letter-spacing:.05em; margin-bottom:18px; text-transform:uppercase; }
.breadcrumb a{ color:var(--mist); }
.breadcrumb a:hover{ color:var(--oxide); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-art{ order:-1; }
  .category-grid, .product-grid{ grid-template-columns:repeat(2,1fr); }
  .product-detail{ grid-template-columns:1fr; }
  .contact-panel{ grid-template-columns:1fr; padding:32px; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .feature-strip{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 680px){
  .nav-list, .btn-nav-cta{ display:none; }
  .nav-toggle{ display:block; }
  .site-header.open .nav-list{
    display:flex; position:absolute; top:76px; left:0; right:0; background:var(--ink);
    flex-direction:column; padding:10px 24px 20px; border-bottom:1px solid var(--line);
  }
  .site-header.open .btn-nav-cta{ display:inline-flex; margin:8px 24px 18px; }
  .category-grid, .product-grid{ grid-template-columns:1fr; }
  .gallery-thumbs{ grid-template-columns:repeat(5,1fr); }
  .footer-grid{ grid-template-columns:1fr; }
  .feature-strip{ grid-template-columns:1fr; }
  .section{ padding:60px 0; }
}