*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    /* ── THEMES ── */
    [data-theme="dark"] {
      --bg:  #05101b;;
      --bg2: #05101b;
      --nav-bg: rgba(15,22,40,0.9);
      --text: #e8edf8;
      --muted: #7a8db0;
      --accent: #5b8ef0;
      --accent2: #00c8b4;
      --aqua: #00c8b4;
      --border: rgba(255,255,255,0.07);
      --border-h: rgba(91,142,240,0.4);
      --card-bg: rgba(255,255,255,0.04);
      --card-h: rgba(255,255,255,0.07);
      --grid: rgba(255,255,255,0.022);
      --tag-bg: rgba(91,142,240,0.12);
      --tag-color: #8ab4f8;
      --img-bg: rgba(255,255,255,0.04);
      --spec-line: rgba(255,255,255,0.06);
      --toggle-bg: rgba(255,255,255,0.07);
      --hero-grad: linear-gradient(135deg, #080f14 0%, #091f33 50%, #0c2031 100%);
      --shine: rgba(255,255,255,0.03);
    }

    [data-theme="light"] {
      --bg: #f4f7fc;
      --bg2: #eef2fb;
      --nav-bg: rgba(244,247,252,0.92);
      --text: #0b1526;
      --muted: #4a5e88;
      --accent: #1e4fd8;
      --accent2: #c4960a;
      --aqua: #00a896;
      --border: rgba(26,39,68,0.09);
      --border-h: rgba(30,79,216,0.35);
      --card-bg: rgba(255,255,255,0.7);
      --card-h: rgba(255,255,255,0.95);
      --grid: rgba(26,39,68,0.035);
      --tag-bg: rgba(30,79,216,0.09);
      --tag-color: #1e4fd8;
      --img-bg: rgba(255,255,255,0.55);
      --spec-line: rgba(26,39,68,0.07);
      --toggle-bg: rgba(26,39,68,0.07);
      --hero-grad: linear-gradient(160deg,#dce6f8 0%,#e8eef8 55%,#f4f7fc 100%);
      --shine: rgba(255,255,255,0.6);
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Sora', sans-serif;
      background: var(--bg);
      color: var(--text);
      transition: background .3s ease, color .3s ease;
      overflow-x: hidden;
    }

    /* ══ NAV ══ */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      background: var(--nav-bg); backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
      height: 64px; padding: 0 48px;
      display: flex; align-items: center; justify-content: space-between;
      transition: background .3s, border-color .3s;
    }

    .nav-logo {
      font-size: 1.05rem; font-weight: 800; letter-spacing: -0.03em;
      color: var(--text); text-decoration: none; line-height: 1.1;
    }
    .nav-logo span { display: block; }

    .nav-links { display: flex; gap: 2rem; }
    .nav-links a {
      font-size: 0.77rem; font-weight: 400; letter-spacing: 0.04em;
      text-transform: uppercase; color: var(--muted); text-decoration: none;
      transition: color .2s;
    }
    .nav-links a:hover, .nav-links a.active { color: var(--text); }

    .nav-r { display: flex; align-items: center; gap: 0.75rem; }

    .theme-btn {
      width: 38px; height: 38px; border-radius: 8px;
      background: var(--toggle-bg); border: 1px solid var(--border);
      cursor: pointer; display: flex; align-items: center; justify-content: center;
      color: var(--muted); transition: border-color .2s, color .2s;
    }
    .theme-btn:hover { border-color: var(--border-h); color: var(--text); }
    .theme-btn svg { width: 16px; height: 16px; fill: currentColor; }
    .i-sun { display: none; }
    [data-theme="light"] .i-moon { display: none; }
    [data-theme="light"] .i-sun { display: block; }

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

    .mobile-menu {
      display: none; position: fixed;
      top: 64px; left: 0; right: 0; bottom: 0;
      background: var(--nav-bg); backdrop-filter: blur(20px);
      z-index: 99; flex-direction: column;
      padding: 2rem 32px; gap: 1.5rem;
      border-top: 1px solid var(--border);
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a {
      font-size: 1.1rem; font-weight: 600;
      color: var(--text); text-decoration: none;
      padding: .5rem 0; border-bottom: 1px solid var(--border);
    }

    /* ══ BREADCRUMB ══ */
    .breadcrumb {
      padding: 88px 48px 0;
      max-width: 1200px; margin: 0 auto;
    }

    .breadcrumb-inner {
      display: flex; align-items: center; gap: 0.5rem;
      font-size: 0.72rem; font-weight: 400;
      letter-spacing: 0.04em; color: var(--muted);
    }

    .breadcrumb-inner a { color: var(--muted); text-decoration: none; transition: color .2s; }
    .breadcrumb-inner a:hover { color: var(--accent); }
    .breadcrumb-inner span { opacity: 0.4; }
    .breadcrumb-inner strong { color: var(--text); font-weight: 600; }

    /* ══ HERO PRODUCT ══ */
    .prod-hero {
      background: var(--hero-grad);
      position: relative; overflow: hidden;
      padding: 48px 48px 0;
    }

    .prod-hero::before {
      content: '';
      position: absolute; inset: 0;
      background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
      background-size: 60px 60px;
      pointer-events: none;
    }

    .prod-hero::after {
      content: '';
      position: absolute; right: -80px; top: -80px;
      width: 400px; height: 400px; border-radius: 50%;
      background: rgba(91,142,240,0.07);
      filter: blur(80px); pointer-events: none;
    }

    .prod-hero-inner {
      position: relative; z-index: 1;
      max-width: 1200px; margin: 0 auto;
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 4rem; align-items: end;
      min-height: 500px;
    }

    /* LEFT — text */
    .ph-left {
      padding-bottom: 64px;
      display: flex; flex-direction: column; justify-content: center;
    }

    .ph-label {
      font-size: 0.68rem; font-weight: 600;
      letter-spacing: 0.13em; text-transform: uppercase;
      color: var(--accent); margin-bottom: 0.9rem;
    }

    .ph-left h1 {
      font-size: clamp(2rem, 4vw, 3.4rem);
      font-weight: 800; letter-spacing: -0.03em;
      color: var(--text); line-height: 1.06;
      margin-bottom: 1.2rem;
    }

    .ph-left h1 em { font-style: normal; color: var(--accent2); }

    .ph-desc {
      font-size: 0.875rem; font-weight: 300;
      color: var(--muted); line-height: 1.78;
      max-width: 440px; margin-bottom: 2rem;
    }

    /* badges row */
    .ph-badges {
      display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2rem;
    }

    .ph-badge {
      font-size: 0.65rem; font-weight: 600;
      letter-spacing: 0.09em; text-transform: uppercase;
      color: var(--tag-color); background: var(--tag-bg);
      border-radius: 6px; padding: 5px 12px;
    }

    .ph-badge.green { color: var(--aqua); background: rgba(0,200,180,0.12); }
    .ph-badge.yellow { color: var(--accent2); background: rgba(245,230,66,0.1); }

    .ph-actions { display: flex; align-items: center; gap: 0.85rem; flex-wrap: wrap; }

    .btn-primary {
      background: var(--accent); color: #fff;
      border: none; border-radius: 8px; padding: 13px 28px;
      font-size: 0.85rem; font-family: 'Sora', sans-serif; font-weight: 600;
      cursor: pointer; text-decoration: none; display: inline-block;
      transition: background .2s, transform .2s, box-shadow .2s;
      box-shadow: 0 4px 16px rgba(91,142,240,0.28);
    }
    .btn-primary:hover { background: #7ca8f8; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(91,142,240,0.38); }
    [data-theme="light"] .btn-primary { background: #1e4fd8; }
    [data-theme="light"] .btn-primary:hover { background: #2a5dd4; box-shadow: 0 8px 24px rgba(30,79,216,0.35); }

    .btn-ghost {
      background: var(--card-bg); color: var(--text);
      border: 1px solid var(--border); border-radius: 8px;
      padding: 12px 22px; font-size: 0.85rem;
      font-family: 'Sora', sans-serif; font-weight: 500;
      cursor: pointer; text-decoration: none;
      display: inline-flex; align-items: center; gap: 0.4rem;
      transition: border-color .2s, background .2s;
    }
    .btn-ghost:hover { border-color: var(--border-h); }

    /* RIGHT — product image */
    .ph-right {
      position: relative; display: flex;
      align-items: flex-end; justify-content: center;
      min-height: 460px;
    }

    .ph-img-wrap {
      width: 100%; max-width: 400px;
      position: relative; margin: 0 auto;
    }

    /* decorative frame */
    .ph-img-wrap::before {
      content: '';
      position: absolute; top: -16px; right: -16px;
      width: 60px; height: 60px;
      border-top: 2px solid rgba(91,142,240,0.35);
      border-right: 2px solid rgba(91,142,240,0.35);
      border-radius: 0 6px 0 0; z-index: 2;
    }

    .ph-img-wrap::after {
      content: '';
      position: absolute; bottom: -16px; left: -16px;
      width: 60px; height: 60px;
      border-bottom: 2px solid rgba(0,200,180,0.3);
      border-left: 2px solid rgba(0,200,180,0.3);
      border-radius: 0 0 0 6px; z-index: 2;
    }

    .ph-img-box {
      width: 100%; aspect-ratio: 3/4;
      background: var(--img-bg);
      border: 1px solid var(--border);
      border-radius: 14px; overflow: hidden;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 32px 80px rgba(0,0,0,0.25);
      position: relative;
    }

    /* inner shine strip */
    .ph-img-box::before {
      content: '';
      position: absolute; top: 0; left: 0; bottom: 0;
      width: 50%;
      background: linear-gradient(to right, var(--shine), transparent);
      pointer-events: none; z-index: 1;
    }

    .ph-img-box img {
      width: 100%; height: 100%; object-fit: contain;
      padding: 24px; display: block;
    }

    .ph-img-placeholder {
      display: flex; flex-direction: column;
      align-items: center; justify-content: center; gap: 0.75rem;
      width: 100%; height: 100%;
    }

    .ph-img-placeholder svg {
      width: 48px; height: 48px;
      stroke: var(--border-h); fill: none; stroke-width: 1; opacity: 0.45;
    }

    .ph-img-placeholder span {
      font-size: 0.67rem; letter-spacing: 0.1em;
      text-transform: uppercase; color: var(--muted); opacity: 0.45;
    }

    /* floating spec chip on image */
    .ph-chip {
      position: absolute; z-index: 3;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 10px; padding: 10px 14px;
      backdrop-filter: blur(12px);
    }

    .ph-chip.top-l { top: 20px; left: -24px; }
    .ph-chip.mid-r { right: -28px; top: 50%; transform: translateY(-50%); }

    .ph-chip-val {
      font-size: 1.1rem; font-weight: 800;
      color: var(--text); letter-spacing: -0.02em; line-height: 1;
    }

    .ph-chip-lbl {
      font-size: 0.6rem; font-weight: 300;
      color: var(--muted); margin-top: 2px; white-space: nowrap;
    }

    /* ══ MAIN CONTENT ══ */
    .prod-body {
      max-width: 1200px; margin: 0 auto;
      padding: 0 48px 100px;
    }

    /* ── SECTION TITLE ── */
    .sec-title {
      font-size: 0.68rem; font-weight: 600;
      letter-spacing: 0.13em; text-transform: uppercase;
      color: var(--accent); margin-bottom: 0.6rem;
    }

    .sec-h2 {
      font-size: clamp(1.4rem, 2.5vw, 1.9rem);
      font-weight: 800; letter-spacing: -0.02em;
      color: var(--text); line-height: 1.1; margin-bottom: 1.5rem;
    }

    /* ── OVERVIEW STRIP ── */
    .overview-strip {
      display: grid; grid-template-columns: repeat(4, 1fr);
      gap: 1.5px; border: 1px solid var(--border);
      border-radius: 14px; overflow: hidden; margin: 56px 0;
    }

    .ov-card {
      background: var(--card-bg); padding: 28px 24px;
      border-right: 1px solid var(--border);
      position: relative; overflow: hidden;
      transition: background .25s;
    }

    .ov-card:last-child { border-right: none; }
    .ov-card:hover { background: var(--card-h); }

    .ov-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 2px;
      background: var(--accent); opacity: 0; transition: opacity .25s;
    }

    .ov-card:hover::before { opacity: 1; }

    .ov-icon {
      width: 38px; height: 38px; border-radius: 9px;
      background: var(--tag-bg);
      border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 14px;
    }

    .ov-icon svg {
      width: 18px; height: 18px;
      stroke: var(--accent); fill: none;
      stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
    }

    .ov-val {
      font-size: 1.6rem; font-weight: 800;
      color: var(--text); letter-spacing: -0.03em; line-height: 1.1;
    }

    .ov-lbl {
      font-size: 0.72rem; font-weight: 300;
      color: var(--muted); margin-top: 4px;
    }

    /* ── FEATURES SECTION ── */
    .features-sec { padding: 56px 0; }

    .features-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 2rem; align-items: start;
    }

    .feat-list {
      display: flex; flex-direction: column; gap: 1px;
    }

    .feat-item {
      background: var(--card-bg); border: 1px solid var(--border);
      border-radius: 12px; padding: 20px 22px;
      display: flex; align-items: flex-start; gap: 1rem;
      transition: background .25s, border-color .25s;
      cursor: default;
    }

    .feat-item:hover {
      background: var(--card-h); border-color: var(--border-h);
    }

    .feat-item + .feat-item { margin-top: 8px; }

    .feat-num {
      font-size: 0.65rem; font-weight: 700;
      color: var(--accent); letter-spacing: 0.06em;
      background: var(--tag-bg); border-radius: 5px;
      padding: 3px 8px; flex-shrink: 0; margin-top: 2px;
    }

    .feat-title {
      font-size: 0.88rem; font-weight: 700;
      color: var(--text); margin-bottom: 4px;
    }

    .feat-desc {
      font-size: 0.78rem; font-weight: 300;
      color: var(--muted); line-height: 1.6;
    }

    /* right side — image collage */
    .feat-img-col {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 10px; position: sticky; top: 80px;
    }

    .feat-img-box {
      border-radius: 12px; overflow: hidden;
      border: 1px solid var(--border);
      background: var(--img-bg);
      aspect-ratio: 1;
      display: flex; align-items: center; justify-content: center;
      transition: border-color .25s;
    }

    .feat-img-box:first-child {
      grid-column: 1 / -1; aspect-ratio: 16/9;
    }

    .feat-img-box:hover { border-color: var(--border-h); }

    .feat-img-box img { width: 100%; height: 100%; object-fit: cover; }

    .feat-img-ph {
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      gap: 0.6rem; width: 100%; height: 100%;
    }

    .feat-img-ph svg {
      width: 32px; height: 32px;
      stroke: var(--border-h); fill: none; stroke-width: 1; opacity: 0.4;
    }

    .feat-img-ph span {
      font-size: 0.6rem; letter-spacing: 0.1em;
      text-transform: uppercase; color: var(--muted); opacity: 0.4;
    }

    /* ── VARIANTS SECTION ── */
    .variants-sec { padding: 56px 0; border-top: 1px solid var(--border); }

    .variants-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
      margin-top: 2rem;
    }

    .var-card {
      background: var(--card-bg); border: 1px solid var(--border);
      border-radius: 14px; overflow: hidden;
      transition: border-color .25s, transform .25s, box-shadow .25s;
      cursor: pointer;
    }

    .var-card:hover {
      border-color: var(--border-h);
      transform: translateY(-4px);
      box-shadow: 0 16px 40px rgba(0,0,0,0.18);
    }

    .var-img {
      width: 100%; aspect-ratio: 4/3;
      background: var(--img-bg);
      border-bottom: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      overflow: hidden;
    }

    .var-img img { width: 100%; height: 100%; object-fit: contain; padding: 20px; }

    .var-img-ph {
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      gap: 0.6rem; width: 100%; height: 100%;
    }

    .var-img-ph svg {
      width: 32px; height: 32px;
      stroke: var(--border-h); fill: none; stroke-width: 1; opacity: 0.4;
    }

    .var-img-ph span {
      font-size: 0.6rem; letter-spacing: 0.1em;
      text-transform: uppercase; color: var(--muted); opacity: 0.4;
    }

    .var-info { padding: 18px 20px; }

    .var-name {
      font-size: 0.9rem; font-weight: 700;
      color: var(--text); margin-bottom: 4px;
    }

    .var-spec {
      font-size: 0.75rem; font-weight: 300;
      color: var(--muted); line-height: 1.5; margin-bottom: 12px;
    }

    .var-tag {
      font-size: 0.62rem; font-weight: 600;
      letter-spacing: 0.09em; text-transform: uppercase;
      color: var(--tag-color); background: var(--tag-bg);
      border-radius: 5px; padding: 4px 10px;
      display: inline-block;
    }

    /* ── SPECS TABLE ── */
    .specs-sec { padding: 56px 0; border-top: 1px solid var(--border); }

    .specs-layout {
      display: grid; grid-template-columns: 1fr 1fr; gap: 2rem;
      margin-top: 2rem;
    }

    .specs-table {
      border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
    }

    .spec-row {
      display: grid; grid-template-columns: 1fr 1fr;
      border-bottom: 1px solid var(--spec-line);
      transition: background .2s;
    }

    .spec-row:last-child { border-bottom: none; }
    .spec-row:hover { background: var(--card-bg); }

    .spec-key {
      padding: 14px 18px; font-size: 0.78rem;
      font-weight: 600; color: var(--muted);
      border-right: 1px solid var(--spec-line);
    }

    .spec-val {
      padding: 14px 18px; font-size: 0.78rem;
      font-weight: 400; color: var(--text);
    }
    .docs-specs {
      display: flex; 
      flex-direction: row; 
      align-items: center;
      align-self: center;
      justify-content: space-between;
      background: #ffffff0e;
      border: 1px solid var(--border);
      border-radius: 10px;
      background-origin: padding-box;
      backdrop-filter: blur(10px);
      padding-top: 10px;
      margin-top: 10px;
      padding-bottom: 10px;
      padding: 10px;
    }
    .docs-specs h2 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 4px;
    }
    .docs-specs p {
      font-size: 0.75rem;
      font-weight: 300;
      color: var(--muted);
      line-height: 1.5;
    }
    .docs-specs a {
      font-size: 0.75rem;
      font-weight: 500;
      
      text-decoration: none;
      margin-top: 8px;
      display: inline-block;
    }
    
    /* standards / certifications */
    .certs-list {
      display: flex; flex-direction: column; gap: 10px;
    }

    .cert-item {
      background: var(--card-bg); border: 1px solid var(--border);
      border-radius: 10px; padding: 14px 18px;
      display: flex; align-items: center; gap: 12px;
      transition: border-color .2s;
    }

    .cert-item:hover { border-color: var(--border-h); }

    .cert-icon {
      width: 34px; height: 34px; border-radius: 8px;
      background: rgba(0,200,180,0.12);
      border: 1px solid rgba(0,200,180,0.2);
      display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    }

    .cert-icon svg {
      width: 15px; height: 15px;
      stroke: var(--aqua); fill: none;
      stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
    }

    .cert-name { font-size: 0.82rem; font-weight: 600; color: var(--text); }
    .cert-desc { font-size: 0.7rem; font-weight: 300; color: var(--muted); margin-top: 1px; }

    /* ── APPLICATIONS ── */
    .apps-sec { padding: 56px 0; border-top: 1px solid var(--border); }

    .apps-grid {
      display: grid; grid-template-columns: repeat(4, 1fr);
      gap: 1.5px; border: 1px solid var(--border);
      border-radius: 14px; overflow: hidden; margin-top: 2rem;
    }

    .app-card {
      background: var(--card-bg); padding: 26px 22px;
      border-right: 1px solid var(--border);
      transition: background .25s; cursor: default;
    }

    .app-card:last-child { border-right: none; }
    .app-card:hover { background: var(--card-h); }

    .app-icon {
      width: 40px; height: 40px; border-radius: 10px;
      background: var(--tag-bg); border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
    }

    .app-icon svg {
      width: 18px; height: 18px;
      stroke: var(--accent); fill: none;
      stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
    }

    .app-name { font-size: 0.85rem; font-weight: 700; color: var(--text); margin-bottom: 5px; }
    .app-desc { font-size: 0.74rem; font-weight: 300; color: var(--muted); line-height: 1.55; }

    /* ── CTA STRIP ── */
    .cta-strip {
      background: var(--hero-grad);
      border: 1px solid var(--border);
      border-radius: 16px; padding: 52px 56px;
      display: flex; align-items: center;
      justify-content: space-between; gap: 2rem;
      margin-top: 56px; position: relative; overflow: hidden;
    }

    .cta-strip::before {
      content: '';
      position: absolute; right: -60px; top: -60px;
      width: 280px; height: 280px; border-radius: 50%;
      background: rgba(91,142,240,0.08); filter: blur(60px);
      pointer-events: none;
    }

    .cta-h3 {
      font-size: clamp(1.2rem, 2.5vw, 1.7rem);
      font-weight: 800; letter-spacing: -0.02em;
      color: var(--text); line-height: 1.2; margin-bottom: 0.5rem;
    }

    .cta-h3 em { font-style: normal; color: var(--accent2); }

    .cta-p {
      font-size: 0.83rem; font-weight: 300;
      color: var(--muted); line-height: 1.65;
      max-width: 420px;
    }

    .cta-btns { display: flex; gap: 0.85rem; flex-shrink: 0; flex-wrap: wrap; }

    /* ── RESPONSIVE ── */
    @media (max-width: 1000px) {
      .prod-hero-inner { grid-template-columns: 1fr; gap: 2rem; min-height: auto; }
      .ph-right { min-height: 360px; }
      .ph-chip.mid-r { right: 0; }
      .features-grid { grid-template-columns: 1fr; }
      .feat-img-col { position: static; }
      .variants-grid { grid-template-columns: 1fr 1fr; }
      .apps-grid { grid-template-columns: 1fr 1fr; }
      .app-card:nth-child(2) { border-right: none; }
      .app-card:nth-child(1),
      .app-card:nth-child(2) { border-bottom: 1px solid var(--border); }
      .specs-layout { grid-template-columns: 1fr; }
      .cta-strip { flex-direction: column; align-items: flex-start; }
    }

    @media (max-width: 768px) {
      nav { padding: 0 24px; }
      .nav-links { display: none; }
      .hamburger { display: flex; }
      .breadcrumb, .prod-hero, .prod-body { padding-left: 24px; padding-right: 24px; }
      .overview-strip { grid-template-columns: 1fr 1fr; }
      .ov-card:nth-child(2) { border-right: none; }
      .ov-card:nth-child(1),
      .ov-card:nth-child(2) { border-bottom: 1px solid var(--border); }
      .variants-grid { grid-template-columns: 1fr; }
      .cta-strip { padding: 36px 28px; }
    }

    @media (max-width: 480px) {
      .breadcrumb, .prod-hero, .prod-body { padding-left: 20px; padding-right: 20px; }
      .ph-actions { flex-direction: column; align-items: flex-start; }
      .apps-grid { grid-template-columns: 1fr; }
      .app-card { border-right: none; border-bottom: 1px solid var(--border); }
    }

    /* page-load fade */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(22px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .ph-label { animation: fadeUp .55s ease .1s both; }
    .ph-left h1 { animation: fadeUp .65s ease .2s both; }
    .ph-desc { animation: fadeUp .6s ease .3s both; }
    .ph-badges { animation: fadeUp .6s ease .38s both; }
    .ph-actions { animation: fadeUp .6s ease .46s both; }
    .ph-right { animation: fadeUp .7s ease .25s both; }