:root {
    --bg: #eae7df;
    --bg-panel: #f9f7f3;
    --bg-raised: #f2efe7;
    --ink: #1c1b19;
    --ink-soft: #635f56;
    --accent: #ff6a00;
    --accent-light: #ff8f3c;
    --accent-deep: #d94e00;
    --accent-ink: #141414;
    --metal: #a9adb4;
    --metal-dark: #82868d;
    --line: rgba(28, 24, 18, 0.13);
    --plate-bg: #141414;
    --plate-ink: #f2f3f5;
    --plate-line: rgba(242, 243, 245, 0.14);
    --shadow: 0 1px 2px rgba(20, 17, 12, 0.07), 0 10px 24px -12px rgba(20, 17, 12, 0.18);
    --whatsapp: #2bb673;
    --reveal-y: 22px;
    --mx: 50%;
    --my: 15%;
    --c1: #ffb74a;
    --c2: #ff6a00;
    --c3: #d94e00;
    --c4: #82868d;
    --c5: #a9adb4;
    --c6: #a13f0f;
  }

  :root[data-theme="dark"] {
    --bg: #17181a;
    --bg-panel: #212325;
    --bg-raised: #28292c;
    --ink: #f2f3f5;
    --ink-soft: #a6aab0;
    --accent: #ff7f26;
    --accent-light: #ffa35c;
    --accent-deep: #ffb37a;
    --accent-ink: #17120c;
    --metal: #6b7078;
    --metal-dark: #4c4f54;
    --line: rgba(242, 243, 245, 0.12);
    --plate-bg: #0e0e0f;
    --plate-ink: #f2f3f5;
    --plate-line: rgba(242, 243, 245, 0.1);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 14px 28px -14px rgba(0, 0, 0, 0.65);
    --c1: #ffcf8a;
    --c2: #ff7f26;
    --c3: #ffa35c;
    --c4: #6b7078;
    --c5: #9aa0a8;
    --c6: #c2410c;
  }

  :root[data-theme="light"] {
    --bg: #eae7df;
    --bg-panel: #f9f7f3;
    --bg-raised: #f2efe7;
    --ink: #1c1b19;
    --ink-soft: #635f56;
    --accent: #ff6a00;
    --accent-light: #ff8f3c;
    --accent-deep: #d94e00;
    --accent-ink: #141414;
    --metal: #a9adb4;
    --metal-dark: #82868d;
    --line: rgba(28, 24, 18, 0.13);
    --plate-bg: #141414;
    --plate-ink: #f2f3f5;
    --plate-line: rgba(242, 243, 245, 0.14);
    --shadow: 0 1px 2px rgba(20, 17, 12, 0.07), 0 10px 24px -12px rgba(20, 17, 12, 0.18);
    --c1: #ffb74a;
    --c2: #ff6a00;
    --c3: #d94e00;
    --c4: #82868d;
    --c5: #a9adb4;
    --c6: #a13f0f;
  }

  * { box-sizing: border-box; }

  html { color-scheme: light dark; scroll-behavior: smooth; }

  ::-webkit-scrollbar { width: 12px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--c1), var(--c3), var(--c6), var(--c2), var(--c5));
    border-radius: 8px;
    border: 3px solid var(--bg);
    background-clip: padding-box;
  }

  body {
    margin: 0;
    background-color: var(--bg);
    background-image:
      repeating-linear-gradient(128deg,
        color-mix(in srgb, var(--metal) 13%, transparent) 0px,
        color-mix(in srgb, var(--metal) 13%, transparent) 1px,
        transparent 1px, transparent 7px),
      radial-gradient(46% 36% at 4% -6%, color-mix(in srgb, var(--c2) 14%, transparent), transparent 72%),
      radial-gradient(40% 32% at 106% 4%, color-mix(in srgb, var(--c3) 12%, transparent), transparent 72%),
      radial-gradient(44% 34% at 2% 104%, color-mix(in srgb, var(--c6) 11%, transparent), transparent 72%),
      radial-gradient(38% 30% at 102% 102%, color-mix(in srgb, var(--c5) 13%, transparent), transparent 72%);
    background-attachment: fixed;
    color: var(--ink);
    font-family: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
  }

  body::before {
    content: "";
    position: fixed;
    right: -16vw;
    bottom: -16vw;
    width: min(72vw, 760px);
    height: min(72vw, 760px);
    border-radius: 50%;
    background: repeating-conic-gradient(var(--metal) 0deg 9deg, transparent 9deg 22deg);
    -webkit-mask: radial-gradient(circle, transparent 58%, #000 60%, #000 74%, transparent 76%);
            mask: radial-gradient(circle, transparent 58%, #000 60%, #000 74%, transparent 76%);
    opacity: 0.055;
    pointer-events: none;
  }

  body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 999;
    pointer-events: none;
    opacity: 0.035;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  .wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

  a { color: inherit; }

  h1, h2, h3 {
    font-family: "Oswald", "Arial Narrow", Impact, Haettenschweiler, "Helvetica Neue", Arial, sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.005em;
    line-height: 1.04;
    margin: 0;
    text-wrap: balance;
  }

  .mono {
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
    font-variant-numeric: tabular-nums;
  }

  .eyebrow {
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--eyebrow-color, var(--accent));
    margin: 0 0 14px;
    font-weight: 600;
  }

  #productos .eyebrow { --eyebrow-color: var(--c2); }
  #proceso .eyebrow { --eyebrow-color: var(--c5); }
  #nosotros .eyebrow { --eyebrow-color: var(--c6); }

  a:focus-visible, label:focus-visible, button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 3px;
  }

  /* ---------- scroll progress ---------- */

  .scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-deep), var(--accent-light));
    z-index: 70;
  }

  /* ---------- reveal-on-scroll ---------- */

  .js .reveal {
    opacity: 0;
    transform: translateY(var(--reveal-y)) scale(0.97);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(.2,.7,.3,1.2);
    transition-delay: var(--reveal-delay, 0s);
  }
  .js .reveal.in-view { opacity: 1; transform: translateY(0) scale(1); }
  @media (prefers-reduced-motion: reduce) {
    .js .reveal { opacity: 1; transform: none; transition: none; }
  }

  /* ---------- header ---------- */

  .site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(10px);
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    border-bottom: 1px solid var(--line);
    transition: box-shadow 0.25s ease, background 0.25s ease;
  }

  .site-header.scrolled {
    background: color-mix(in srgb, var(--bg-panel) 92%, transparent);
    box-shadow: 0 6px 18px -12px rgba(0, 0, 0, 0.35);
  }

  .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }

  .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }

  .logo-badge {
    height: 46px; width: 46px;
    display: flex; align-items: center; justify-content: center;
    background: #fff;
    border-radius: 10px;
    box-shadow: var(--shadow);
    flex: none;
    overflow: hidden;
  }

  .logo-badge img { width: 100%; height: 100%; object-fit: cover; }

  .logo-word { font-family: "Oswald", "Arial Narrow", Impact, sans-serif; text-transform: uppercase; line-height: 1.05; }
  .logo-word b { color: var(--ink); font-size: 1.05rem; font-weight: 700; letter-spacing: 0.01em; }
  .logo-word span {
    display: block;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    text-transform: uppercase;
    font-size: 0.6rem;
    letter-spacing: 0.14em;
    color: var(--ink-soft);
  }

  .header-right { display: flex; align-items: center; gap: 22px; }

  .nav { display: flex; gap: 26px; font-size: 0.9rem; font-weight: 600; }

  .nav a {
    position: relative;
    text-decoration: none;
    color: var(--ink-soft);
    padding: 4px 1px;
    transition: color 0.15s ease;
  }

  .nav a::after {
    content: "";
    position: absolute;
    left: 0; right: 100%;
    bottom: -2px;
    height: 2px;
    background: var(--accent);
    transition: right 0.22s ease;
  }

  .nav a:hover, .nav a.active { color: var(--ink); }
  .nav a:hover::after, .nav a.active::after { right: 0; }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--ink);
    color: var(--bg);
    padding: 9px 16px;
    border-radius: 3px;
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: background 0.15s ease;
  }
  .nav-cta:hover { background: var(--accent); color: var(--accent-ink); }

  .theme-toggle {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    flex: none;
  }
  .toggle-track {
    width: 46px; height: 25px;
    border-radius: 999px;
    background: var(--bg-raised);
    border: 1px solid var(--line);
    position: relative;
    transition: background 0.2s ease;
  }
  .toggle-thumb {
    position: absolute;
    top: 2px; left: 2px;
    width: 19px; height: 19px;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    background: conic-gradient(from 210deg, var(--metal), var(--metal-dark), var(--metal));
    transition: transform 0.28s cubic-bezier(.34,1.56,.64,1), background 0.2s ease;
  }
  :root[data-theme="dark"] .toggle-thumb { transform: translateX(20px); background: conic-gradient(from 210deg, var(--accent-light), var(--accent), var(--accent-light)); }

  .nav-toggle-input, .nav-toggle-btn { display: none; }

  /* ---------- hero ---------- */

  .hero { padding: 64px 0 0; position: relative; overflow: hidden; }

  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(560px circle at var(--mx) var(--my), color-mix(in srgb, var(--accent) 22%, transparent), transparent 62%);
  }

  .hero-aurora {
    position: absolute;
    inset: -12%;
    z-index: 0;
    pointer-events: none;
    background:
      radial-gradient(38% 45% at 14% 18%, color-mix(in srgb, var(--c2) 40%, transparent), transparent 70%),
      radial-gradient(34% 40% at 88% 12%, color-mix(in srgb, var(--c6) 36%, transparent), transparent 70%),
      radial-gradient(40% 46% at 78% 88%, color-mix(in srgb, var(--c5) 32%, transparent), transparent 70%),
      radial-gradient(34% 40% at 16% 90%, color-mix(in srgb, var(--c4) 34%, transparent), transparent 70%),
      radial-gradient(30% 34% at 50% 45%, color-mix(in srgb, var(--c3) 22%, transparent), transparent 70%);
    filter: blur(34px);
    animation: aurora-drift 24s ease-in-out infinite alternate;
  }

  @keyframes aurora-drift {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(-2.5%, 3%) scale(1.07); }
  }

  @media (prefers-reduced-motion: reduce) { .hero-aurora { animation: none; } }

  .hero-float-layer { position: absolute; inset: 0; z-index: 0; pointer-events: none; }

  .icon.float-icon {
    position: absolute;
    width: 54px; height: 54px;
    opacity: 0.14;
    animation: drift var(--dur, 20s) ease-in-out infinite;
    animation-delay: var(--fdelay, 0s);
  }

  @keyframes drift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(16px, -20px) rotate(14deg); }
  }

  .hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; padding-bottom: 56px; }

  .hero h1 { font-size: clamp(2.5rem, 1.6rem + 3.9vw, 4.6rem); }
  .hero h1 em {
    font-style: normal;
    color: var(--accent);
    background: linear-gradient(100deg, var(--accent-deep), var(--accent-light) 45%, var(--accent) 55%, var(--accent-deep));
    background-size: 220% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shimmer 5s ease-in-out infinite;
  }
  @keyframes shimmer { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

  .hero .lead { margin: 22px 0 30px; max-width: 46ch; font-size: 1.15rem; line-height: 1.55; color: var(--ink-soft); }

  .hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

  .btn-bolt {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 30px 16px 38px;
    clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
    background: linear-gradient(100deg, var(--c1), var(--c3), var(--c6), var(--c1));
    background-size: 260% 100%;
    animation: btn-hue 9s linear infinite;
    color: #141414;
    font-family: "Oswald", sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.98rem;
    box-shadow: var(--shadow);
    transition: filter 0.15s ease, transform 0.15s ease;
    will-change: transform;
  }
  @keyframes btn-hue { from { background-position: 0% 50%; } to { background-position: 100% 50%; } }
  .btn-bolt:hover { filter: brightness(1.08) saturate(1.15); }
  .btn-bolt:active { transform: translateY(0) !important; }
  @media (prefers-reduced-motion: reduce) { .btn-bolt { animation: none; background-position: 0% 50%; } }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 4px;
    color: var(--ink);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.94rem;
    border-bottom: 2px solid var(--line);
    transition: border-color 0.15s ease, color 0.15s ease;
  }
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
  .btn-ghost .arrow { display: inline-block; transition: transform 0.15s ease; }
  .btn-ghost:hover .arrow { transform: translateX(4px); }

  .trust-row { display: flex; flex-wrap: wrap; gap: 20px 32px; padding: 22px 0 26px; border-top: 1px solid var(--line); margin-top: 30px; }
  .trust-item { display: flex; align-items: center; gap: 10px; font-size: 0.86rem; color: var(--ink-soft); font-weight: 600; }
  .trust-dot { width: 9px; height: 9px; flex: none; background: var(--accent); clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%); }
  .trust-item:nth-child(1) .trust-dot { background: var(--c1); }
  .trust-item:nth-child(2) .trust-dot { background: var(--c2); }
  .trust-item:nth-child(3) .trust-dot { background: var(--c5); }

  .hero-art { display: flex; align-items: center; justify-content: center; position: relative; height: 340px; }

  .rig { position: relative; width: 270px; height: 270px; display: flex; align-items: center; justify-content: center; }

  .rig-glow { position: absolute; inset: -20px; background: radial-gradient(circle, color-mix(in srgb, var(--accent) 38%, transparent), transparent 70%); filter: blur(6px); }

  .gear-ring {
    position: absolute; inset: 0; border-radius: 50%;
    background: repeating-conic-gradient(var(--metal-dark) 0deg 8deg, transparent 8deg 20deg);
    -webkit-mask: radial-gradient(circle, transparent 62%, #000 63%, #000 78%, transparent 79%);
            mask: radial-gradient(circle, transparent 62%, #000 63%, #000 78%, transparent 79%);
    animation: spin-cw 26s linear infinite;
  }

  .orbit-ring { position: absolute; inset: 30px; border-radius: 50%; border: 2px dashed color-mix(in srgb, var(--accent) 55%, transparent); animation: spin-ccw 18s linear infinite; }

  .orbit-dot { position: absolute; inset: 30px; animation: spin-cw 9s linear infinite; }
  .orbit-dot::before {
    content: "";
    position: absolute; top: -5px; left: 50%;
    width: 10px; height: 10px;
    transform: translateX(-50%);
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px 2px color-mix(in srgb, var(--accent) 60%, transparent);
  }

  @keyframes spin-cw { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
  @keyframes spin-ccw { from { transform: rotate(0deg); } to { transform: rotate(-360deg); } }
  @keyframes float-y { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

  .logo-plate {
    position: relative; width: 182px; height: 182px; border-radius: 50%;
    background: #fff;
    box-shadow: var(--shadow), 0 0 0 6px color-mix(in srgb, var(--bg) 60%, transparent);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    animation: float-y 5s ease-in-out infinite;
  }
  .logo-plate img { width: 84%; height: 84%; object-fit: contain; }

  @keyframes enter-up { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
  .hero-copy > * { animation: enter-up 0.7s cubic-bezier(.2,.7,.3,1.2) both; }
  .hero-copy > *:nth-child(1) { animation-delay: 0.05s; }
  .hero-copy > *:nth-child(2) { animation-delay: 0.15s; }
  .hero-copy > *:nth-child(3) { animation-delay: 0.25s; }
  .hero-copy > *:nth-child(4) { animation-delay: 0.35s; }
  .hero-copy > *:nth-child(5) { animation-delay: 0.45s; }
  .hero-art { animation: enter-up 0.9s cubic-bezier(.2,.7,.3,1.2) both; animation-delay: 0.2s; }

  @media (prefers-reduced-motion: reduce) {
    .gear-ring, .orbit-ring, .orbit-dot, .logo-plate, .icon.float-icon, .hero h1 em, .hero-copy > *, .hero-art {
      animation: none !important;
    }
    .hero::before { display: none; }
  }

  /* ---------- ticker ---------- */

  .ticker {
    background: linear-gradient(90deg, var(--c1), var(--c3), var(--c6), var(--c2), var(--c5), var(--c4), var(--c1));
    background-size: 300% 100%;
    animation: ticker-hue 16s linear infinite;
    color: #141414;
    overflow: hidden;
    white-space: nowrap;
    border-top: 1px solid rgba(0,0,0,0.15);
    border-bottom: 1px solid rgba(0,0,0,0.15);
  }
  .ticker-track { display: inline-flex; width: max-content; animation: ticker-scroll 26s linear infinite; padding: 11px 0; }
  .ticker-track span {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 0 22px;
    border-right: 1px solid rgba(0,0,0,0.2);
    text-shadow: 0 1px 0 rgba(255,255,255,0.25);
  }
  @keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
  @keyframes ticker-hue { from { background-position: 0% 50%; } to { background-position: 100% 50%; } }
  .ticker:hover .ticker-track { animation-play-state: paused; }
  @media (prefers-reduced-motion: reduce) {
    .ticker-track { animation: none; }
    .ticker { overflow-x: auto; animation: none; background-position: 0% 50%; }
  }

  /* ---------- section shell ---------- */

  section { padding: 72px 0; }
  .panel-alt { background: var(--bg-panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

  .section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 38px; flex-wrap: wrap; }
  .section-head .head-note { max-width: 34ch; color: var(--ink-soft); font-size: 0.94rem; line-height: 1.5; }

  h2 { font-size: clamp(1.7rem, 1.4rem + 1.3vw, 2.5rem); margin-bottom: 8px; }

  /* ---------- products ---------- */

  .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }

  .card {
    position: relative;
    background: var(--bg-panel);
    border: 1px solid var(--line);
    border-top: 3px solid color-mix(in srgb, var(--cat, var(--accent)) 45%, transparent);
    padding: 28px 24px 24px;
    box-shadow: var(--shadow);
    transition: transform 0.22s cubic-bezier(.2,.7,.3,1.3), box-shadow 0.22s ease, border-color 0.22s ease;
    will-change: transform;
  }

  .card:hover {
    transform: translateY(-6px) rotate(-0.3deg);
    border-top-color: var(--cat, var(--accent));
    box-shadow: 0 4px 8px rgba(20, 20, 20, 0.08), 0 22px 36px -16px color-mix(in srgb, var(--cat, var(--accent)) 35%, rgba(20,20,20,0.3));
  }

  .card:hover .icon { transform: scale(1.12) rotate(-6deg); }

  .card h3 { font-size: 1.15rem; margin: 18px 0 8px; letter-spacing: 0; }
  .card p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; line-height: 1.5; }

  .card .spec { display: inline-flex; align-items: center; gap: 7px; margin-top: 14px; font-size: 0.74rem; letter-spacing: 0.06em; color: var(--cat, var(--accent)); font-weight: 700; }

  .spec-dot {
    width: 8px; height: 8px; flex: none;
    background: var(--cat, var(--accent));
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  }

  .gallery-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    padding: 0 0 2px;
    background: none;
    border: none;
    border-bottom: 1px solid color-mix(in srgb, var(--cat, var(--accent)) 55%, transparent);
    color: var(--cat, var(--accent));
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: border-color 0.15s ease, filter 0.15s ease;
  }
  .gallery-trigger:hover { filter: brightness(1.2); border-color: var(--cat, var(--accent)); }
  .gallery-count { opacity: 0.7; font-weight: 600; }

  /* ---------- lightbox ---------- */

  .lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }
  .lightbox.open { opacity: 1; pointer-events: auto; }

  .lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 9, 7, 0.78);
    backdrop-filter: blur(3px);
  }

  .lightbox-panel {
    position: relative;
    z-index: 1;
    background: var(--bg-panel);
    border: 1px solid var(--line);
    max-width: 780px;
    width: 100%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
    transform: translateY(10px) scale(0.98);
    transition: transform 0.2s ease;
  }
  .lightbox.open .lightbox-panel { transform: translateY(0) scale(1); }

  .lightbox-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid var(--line);
    flex: none;
  }
  .lightbox-head h3 { font-size: 1.1rem; margin: 0; }

  .lightbox-close {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--bg-raised);
    position: relative;
    cursor: pointer;
    flex: none;
  }
  .lightbox-close span {
    position: absolute; top: 50%; left: 50%;
    width: 14px; height: 2px;
    background: var(--ink);
  }
  .lightbox-close span:first-child { transform: translate(-50%, -50%) rotate(45deg); }
  .lightbox-close span:last-child { transform: translate(-50%, -50%) rotate(-45deg); }
  .lightbox-close:hover { border-color: var(--accent); }
  .lightbox-close:hover span { background: var(--accent); }

  .lightbox-grid {
    padding: 20px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
  }
  .lightbox-grid img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    background: #fff;
    border: 1px solid var(--line);
    padding: 8px;
  }

  @media (prefers-reduced-motion: reduce) {
    .lightbox, .lightbox-panel { transition: none; }
  }

  .icon { width: 44px; height: 44px; position: relative; flex: none; transition: transform 0.25s cubic-bezier(.2,.7,.3,1.4); }

  .icon-glow {
    display: block;
    position: absolute;
    top: 0; left: 0;
    width: 44px; height: 44px;
    margin: -14px;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--cat, var(--accent)) 40%, transparent), transparent 70%);
    filter: blur(4px);
  }

  .icon.hex {
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    background: conic-gradient(from 210deg,
      color-mix(in srgb, var(--cat, var(--accent)) 100%, white 35%),
      color-mix(in srgb, var(--cat, var(--accent)) 100%, black 30%),
      color-mix(in srgb, var(--cat, var(--accent)) 100%, white 35%));
  }
  .icon.hex::after { content: ""; position: absolute; inset: 30%; border-radius: 50%; background: var(--bg-panel); }

  .icon.bolt {
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%,
      color-mix(in srgb, var(--cat, var(--accent)) 100%, white 55%),
      color-mix(in srgb, var(--cat, var(--accent)) 100%, black 25%) 75%);
    border: 3px solid color-mix(in srgb, var(--cat, var(--accent)) 100%, white 20%);
  }
  .icon.bolt::after {
    content: "";
    position: absolute;
    top: 50%; left: 50%;
    width: 62%; height: 5px;
    background: color-mix(in srgb, var(--cat, var(--accent)) 100%, black 40%);
    transform: translate(-50%, -50%) rotate(-24deg);
    border-radius: 2px;
  }

  .icon.perno {
    background: linear-gradient(180deg,
      color-mix(in srgb, var(--cat, var(--accent)) 100%, white 35%) 0%,
      color-mix(in srgb, var(--cat, var(--accent)) 100%, white 35%) 44%,
      color-mix(in srgb, var(--cat, var(--accent)) 100%, black 30%) 44%,
      color-mix(in srgb, var(--cat, var(--accent)) 100%, black 30%) 100%);
    clip-path: polygon(20% 0%, 80% 0%, 80% 44%, 100% 55%, 100% 100%, 0% 100%, 0% 55%);
  }

  .icon.washer {
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%,
      color-mix(in srgb, var(--cat, var(--accent)) 100%, white 40%),
      color-mix(in srgb, var(--cat, var(--accent)) 100%, black 20%) 80%);
    box-shadow: inset 0 0 0 9px var(--bg-panel), inset 0 0 0 12px color-mix(in srgb, var(--cat, var(--accent)) 100%, black 30%);
  }

  .icon.anchor {
    background: conic-gradient(from 180deg,
      color-mix(in srgb, var(--cat, var(--accent)) 100%, black 30%),
      color-mix(in srgb, var(--cat, var(--accent)) 100%, white 35%));
    clip-path: polygon(50% 100%, 0% 30%, 20% 0%, 80% 0%, 100% 30%);
  }

  .icon.tool { background: transparent; }
  .icon.tool::before, .icon.tool::after { content: ""; position: absolute; border-radius: 3px; }
  .icon.tool::before {
    width: 46px; height: 11px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    background: color-mix(in srgb, var(--cat, var(--accent)) 100%, black 30%);
  }
  .icon.tool::after {
    width: 11px; height: 46px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    background: color-mix(in srgb, var(--cat, var(--accent)) 100%, white 35%);
  }

  /* floating variants keep the icon look but sit absolute + faded, defined after so they win */
  .icon.float-icon.washer { box-shadow: inset 0 0 0 7px var(--bg), inset 0 0 0 9px var(--metal-dark); }

  /* category colors — one per catalog card, in shelf-label order */
  #productos .grid > .card { --cat: var(--c2); }

  /* ---------- proceso ---------- */

  .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; position: relative; }
  .step { position: relative; padding: 0 28px 0 0; }
  .step:last-child { padding-right: 0; }
  .step-top { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
  .step-num { font-family: "Oswald", sans-serif; font-size: 2rem; font-weight: 700; color: var(--bg-panel); -webkit-text-stroke: 1.5px var(--step-color, var(--accent)); line-height: 1; flex: none; }
  .step:nth-child(1) .step-num { --step-color: var(--c2); }
  .step:nth-child(2) .step-num { --step-color: var(--c4); }
  .step:nth-child(3) .step-num { --step-color: var(--c5); }
  .step-line { height: 2px; flex: 1; background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px); }
  .step:last-child .step-line { display: none; }
  .step h3 { font-size: 1.1rem; margin-bottom: 8px; }
  .step p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; line-height: 1.55; max-width: 32ch; }

  @media (max-width: 760px) {
    .steps { grid-template-columns: 1fr; gap: 30px; }
    .step { padding-right: 0; }
  }

  /* ---------- stats band ---------- */

  .stats-band {
    background: var(--plate-bg);
    background-image: repeating-linear-gradient(115deg, rgba(255,255,255,0.02) 0 2px, transparent 2px 26px);
    color: var(--plate-ink);
    clip-path: polygon(0 26px, 100% 0, 100% calc(100% - 26px), 0 100%);
    padding: 56px 0;
    margin: 0;
  }

  .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; position: relative; z-index: 1; }

  .stats-grid > div { position: relative; }
  .stats-grid > div::before {
    content: "";
    position: absolute;
    left: 50%; top: 50%;
    width: 120px; height: 120px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, color-mix(in srgb, var(--stat-color) 35%, transparent), transparent 72%);
    filter: blur(10px);
    z-index: -1;
  }

  .stat-num, .stat-suffix {
    font-family: "Oswald", sans-serif;
    font-weight: 700;
    font-size: clamp(2.2rem, 1.6rem + 2.4vw, 3.4rem);
    color: var(--stat-color, var(--accent-light, var(--accent)));
    line-height: 1;
  }

  .stats-grid > div:nth-child(1) { --stat-color: var(--c4); }
  .stats-grid > div:nth-child(2) { --stat-color: var(--c2); }
  .stats-grid > div:nth-child(3) { --stat-color: var(--c5); }
  .stats-grid > div:nth-child(4) { --stat-color: var(--c1); }

  .stat-label { margin-top: 10px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: color-mix(in srgb, var(--plate-ink) 65%, transparent); }

  @media (max-width: 760px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  }

  /* ---------- values ---------- */

  .values-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
  .value-card { background: transparent; border: none; box-shadow: none; padding: 0; }
  .value-card:hover { transform: none; }
  .value-num { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.78rem; color: var(--accent); letter-spacing: 0.08em; font-weight: 700; }
  .value-card h3 { text-transform: uppercase; font-size: 1.25rem; margin: 10px 0 8px; }
  .value-card p { color: var(--ink-soft); line-height: 1.55; max-width: 34ch; }

  /* ---------- footer / plate ---------- */

  .plate {
    background:
      radial-gradient(50% 60% at 8% 0%, color-mix(in srgb, var(--c2) 18%, transparent), transparent 70%),
      radial-gradient(45% 55% at 92% 100%, color-mix(in srgb, var(--c6) 16%, transparent), transparent 70%),
      radial-gradient(40% 50% at 50% 100%, color-mix(in srgb, var(--c5) 12%, transparent), transparent 70%),
      var(--plate-bg);
    color: var(--plate-ink);
    position: relative;
    border-top: 6px solid var(--accent);
    overflow: hidden;
  }

  .skyline {
    position: absolute; left: 0; right: 0; top: 0; height: 46px; opacity: 0.5;
    background: color-mix(in srgb, var(--accent) 70%, transparent);
    clip-path: polygon(
      0% 100%, 0% 55%, 4% 55%, 4% 30%, 9% 30%, 9% 45%, 14% 45%, 14% 15%, 19% 15%, 19% 40%,
      24% 40%, 24% 22%, 30% 22%, 30% 50%, 35% 50%, 35% 8%, 41% 8%, 41% 35%, 46% 35%, 46% 28%,
      52% 28%, 52% 48%, 58% 48%, 58% 18%, 63% 18%, 63% 42%, 69% 42%, 69% 12%, 74% 12%, 74% 38%,
      80% 38%, 80% 24%, 85% 24%, 85% 46%, 91% 46%, 91% 20%, 96% 20%, 96% 40%, 100% 40%, 100% 100%
    );
  }

  .plate-inner { padding: 64px 24px 32px; display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 32px; }
  .plate h4 { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; }
  .plate p, .plate address { margin: 0 0 6px; font-style: normal; font-size: 0.92rem; line-height: 1.6; color: color-mix(in srgb, var(--plate-ink) 78%, transparent); }
  .plate ul { list-style: none; margin: 0; padding: 0; }
  .plate ul a { text-decoration: none; color: color-mix(in srgb, var(--plate-ink) 78%, transparent); font-size: 0.92rem; line-height: 2; transition: color 0.15s ease; }
  .plate ul a:hover { color: var(--accent-light, var(--accent)); }

  .plate-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
  .plate-brand .logo-badge { box-shadow: none; }
  .plate-brand b { font-family: "Oswald", sans-serif; text-transform: uppercase; font-size: 1.25rem; font-weight: 700; display: block; line-height: 1.05; }
  .plate-brand small { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.62rem; letter-spacing: 0.14em; color: color-mix(in srgb, var(--plate-ink) 60%, transparent); }

  .social-row { display: flex; gap: 10px; margin-top: 16px; }
  .social-btn {
    width: 34px; height: 34px; border-radius: 50%;
    border: 1px solid var(--plate-line);
    display: flex; align-items: center; justify-content: center;
    color: color-mix(in srgb, var(--plate-ink) 80%, transparent);
    text-decoration: none;
    font-family: ui-monospace, monospace;
    font-size: 0.7rem;
    font-weight: 700;
    transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
  }
  .social-btn:hover { border-color: var(--accent); color: var(--accent-light, var(--accent)); transform: translateY(-2px); }

  .plate-bottom {
    border-top: 1px solid var(--plate-line);
    padding: 16px 24px 22px;
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
    font-size: 0.78rem;
    color: color-mix(in srgb, var(--plate-ink) 55%, transparent);
    max-width: 1120px; margin: 0 auto;
  }

  .rivet {
    position: absolute; width: 8px; height: 8px; border-radius: 50%;
    background: color-mix(in srgb, var(--plate-ink) 40%, transparent);
    box-shadow: inset 0 1px 1px rgba(0,0,0,0.4);
    z-index: 1;
  }
  .rivet.tl { top: 14px; left: 14px; }
  .rivet.tr { top: 14px; right: 14px; }

  /* ---------- floating actions ---------- */

  .float-actions { position: fixed; right: 22px; bottom: 22px; z-index: 50; display: flex; flex-direction: column; gap: 12px; align-items: center; }

  .fab { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 24px -8px rgba(0,0,0,0.4); text-decoration: none; border: none; cursor: pointer; }

  .fab-whatsapp { background: var(--whatsapp); position: relative; }
  .fab-whatsapp::before { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid var(--whatsapp); opacity: 0.55; animation: pulse-ring 2.4s ease-out infinite; }
  .chat-glyph { width: 22px; height: 18px; position: relative; }
  .chat-glyph::before { content: ""; position: absolute; inset: 0; background: #fff; border-radius: 8px 8px 8px 2px; }
  .chat-glyph::after { content: ""; position: absolute; top: 4px; left: 5px; right: 5px; height: 2px; background: var(--whatsapp); box-shadow: 0 5px 0 var(--whatsapp); }

  @keyframes pulse-ring { 0% { transform: scale(0.9); opacity: 0.6; } 80% { transform: scale(1.35); opacity: 0; } 100% { opacity: 0; } }

  .fab-top {
    background: var(--bg-panel);
    color: var(--ink);
    border: 1px solid var(--line);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .fab-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .fab-top .chevron { width: 10px; height: 10px; border-top: 2px solid currentColor; border-right: 2px solid currentColor; transform: rotate(-45deg) translateY(2px); }

  @media (prefers-reduced-motion: reduce) { .fab-whatsapp::before { animation: none; } }

  @media (max-width: 760px) {
    .hero-grid { grid-template-columns: 1fr; padding-bottom: 40px; }
    .hero-art { order: -1; height: 250px; }
    .rig { width: 200px; height: 200px; }
    .logo-plate { width: 136px; height: 136px; }
    .plate-inner { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
    .stats-band { clip-path: none; }
    .header-right { gap: 12px; }

    .nav {
      position: absolute;
      top: 72px; left: 0; right: 0;
      background: var(--bg-panel);
      border-bottom: 1px solid var(--line);
      flex-direction: column;
      gap: 0;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.25s ease;
    }
    .nav a { padding: 14px 24px; border-bottom: 1px solid var(--line); }
    .nav a::after { display: none; }
    .nav-cta { margin: 14px 24px; }
    .nav-toggle-btn { display: flex; flex-direction: column; gap: 5px; width: 30px; cursor: pointer; }
    .nav-toggle-btn span { height: 2px; background: var(--ink); border-radius: 1px; }
    .nav-toggle-input:checked ~ .nav { max-height: 340px; }
  }

  @media (max-width: 480px) {
    .plate-inner { grid-template-columns: 1fr; }
  }

  /* ---------- catalog CTA banner (index) ---------- */

  .cta-banner {
    background: linear-gradient(100deg, var(--c1), var(--c2), var(--c3));
    color: #141414;
    padding: 34px 0;
  }
  .cta-banner .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
  }
  .cta-banner h3 {
    font-size: clamp(1.2rem, 1rem + 1vw, 1.6rem);
    margin: 0 0 4px;
  }
  .cta-banner p { margin: 0; font-size: 0.92rem; color: rgba(20,20,20,0.75); }
  .cta-banner .btn-bolt {
    background: #141414;
    animation: none;
    color: var(--plate-ink);
    flex: none;
  }
  .cta-banner .btn-bolt:hover { filter: brightness(1.3); }

  /* ---------- interior page hero ---------- */

  .page-hero { padding: 56px 0 40px; position: relative; overflow: hidden; }
  .page-hero .wrap { position: relative; z-index: 1; }
  .page-hero::before {
    content: "";
    position: absolute;
    inset: -20% -10%;
    z-index: 0;
    pointer-events: none;
    background:
      radial-gradient(36% 60% at 10% 20%, color-mix(in srgb, var(--c2) 22%, transparent), transparent 70%),
      radial-gradient(32% 55% at 92% 80%, color-mix(in srgb, var(--c6) 18%, transparent), transparent 70%);
    filter: blur(30px);
  }
  .page-hero h1 { font-size: clamp(2rem, 1.5rem + 2.2vw, 3.2rem); margin-top: 2px; }
  .page-hero .lead { margin: 16px 0 0; max-width: 56ch; font-size: 1.05rem; line-height: 1.55; color: var(--ink-soft); }
  .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--ink-soft); margin-bottom: 18px; }
  .breadcrumb a { text-decoration: none; color: var(--ink-soft); }
  .breadcrumb a:hover { color: var(--accent); }

  /* ---------- quote form ---------- */

  .form-section { padding-top: 8px; }

  .form-card {
    background: var(--bg-panel);
    border: 1px solid var(--line);
    border-top: 3px solid var(--accent);
    box-shadow: var(--shadow);
    padding: 32px clamp(20px, 4vw, 40px) 36px;
  }

  .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; }
  .field { display: flex; flex-direction: column; gap: 7px; }
  .field.full { grid-column: 1 / -1; }

  .field label {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }
  .field label .req { color: var(--accent); }

  .field input,
  .field select,
  .field textarea {
    font: inherit;
    font-size: 0.96rem;
    color: var(--ink);
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 12px 14px;
    transition: border-color 0.15s ease, background 0.15s ease;
    width: 100%;
  }

  .field textarea { resize: vertical; min-height: 110px; font-family: inherit; }

  .field input:focus,
  .field select:focus,
  .field textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-panel);
  }

  .field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%), linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%); background-position: calc(100% - 20px) center, calc(100% - 15px) center; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 36px; }

  .hp-field { position: absolute; left: -9999px; top: -9999px; }

  .form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 26px; }
  .form-note { font-size: 0.82rem; color: var(--ink-soft); max-width: 42ch; }

  .form-submit {
    border: none;
    cursor: pointer;
    font-size: 0.98rem;
  }

  @media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; }
  }

  .alert {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 20px;
    border-left: 4px solid;
    margin-bottom: 26px;
    font-size: 0.94rem;
    line-height: 1.5;
  }
  .alert strong { display: block; margin-bottom: 2px; font-family: "Oswald", sans-serif; text-transform: uppercase; letter-spacing: 0.02em; }
  .alert-success { background: color-mix(in srgb, var(--c5) 12%, var(--bg-panel)); border-color: var(--c5); color: var(--ink); }
  .alert-error { background: color-mix(in srgb, var(--c3) 12%, var(--bg-panel)); border-color: var(--c3); color: var(--ink); }