/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  /* Base palette — industrial navy */
  --navy-950: #060d17;
  --navy-900: #0a1626;
  --navy-800: #0f2038;
  --navy-700: #16304f;
  --navy-600: #1f4166;

  /* Identity green */
  --green-600: #1f8f6b;
  --green-500: #29b184;
  --green-300: #7fe0bc;

  /* Industrial safety orange */
  --orange-600: #e85d1f;
  --orange-500: #ff7a2e;
  --orange-300: #ffb185;

  /* Steel / technical gray */
  --steel-500: #7c8a9c;
  --steel-300: #b7c1cd;

  --bg: var(--navy-950);
  --panel: var(--navy-900);
  --panel-raised: var(--navy-800);
  --border: rgba(230, 238, 246, 0.1);
  --border-strong: rgba(230, 238, 246, 0.18);

  --text: #eef3f8;
  --text-dim: #a9b7c7;
  --text-faint: #7688a0;

  --accent: var(--orange-500);
  --accent-2: var(--green-500);

  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 28px;

  --gutter: 1.25rem;
  --container: 1280px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --shadow-lg: 0 30px 60px -20px rgba(2, 6, 12, 0.55);
  --shadow-md: 0 16px 32px -14px rgba(2, 6, 12, 0.5);
}

@property --grad-angle {
  syntax: "<angle>";
  initial-value: 120deg;
  inherits: false;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
  min-height: 100svh;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -0.01em; font-family: var(--font-display); font-weight: 600; }
input, textarea, select { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }
::selection { background: var(--accent); color: var(--navy-950); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =============================================================
   3. Utilities
   ============================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(3.5rem, 8vw, 7rem); position: relative; }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4.5rem); }
.section--alt { background: var(--panel); }
.section--raised { background: var(--panel-raised); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: -100px; left: 1rem; padding: .7rem 1.1rem;
  background: var(--accent); color: var(--navy-950); z-index: 9999;
  border-radius: 8px; font-weight: 600; transition: top .3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent-2); font-weight: 600;
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: ""; width: 28px; height: 2px; background: var(--accent-2);
  border-radius: 2px;
}
.eyebrow--orange { color: var(--accent); }
.eyebrow--orange::before { background: var(--accent); }

.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); margin-bottom: .9rem; }
.section-head p { color: var(--text-dim); font-size: clamp(1rem, 1.3vw, 1.15rem); }

.text-dim { color: var(--text-dim); }
.mono { font-family: var(--font-mono); }

/* =============================================================
   4. Typography
   ============================================================= */
h1 { font-size: clamp(2.6rem, 5.6vw, 4.6rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
.link-arrow {
  display: inline-flex; align-items: center; gap: .5rem; font-weight: 600;
  color: var(--accent); transition: gap .25s var(--ease-out);
}
a.link-arrow:hover, .product-card:hover .link-arrow { gap: .85rem; }
.link-arrow svg { width: 18px; height: 18px; flex-shrink: 0; }

/* =============================================================
   5. Components
   ============================================================= */

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .95rem 1.6rem; border-radius: 999px; font-weight: 600; font-size: .95rem;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), background .3s var(--ease-out), border-color .3s var(--ease-out);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn--primary {
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  color: #100603;
  box-shadow: 0 14px 30px -10px rgba(255, 122, 46, 0.55);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 20px 38px -12px rgba(255, 122, 46, 0.65); }
.btn--secondary {
  background: rgba(238, 243, 248, 0.06);
  border: 1px solid var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn--secondary:hover { background: rgba(238, 243, 248, 0.12); transform: translateY(-2px); }
.btn--ghost { color: var(--text); border: 1px solid var(--border); }
.btn--ghost:hover { border-color: var(--border-strong); background: rgba(238,243,248,.05); }
.btn--sm { padding: .7rem 1.2rem; font-size: .85rem; }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: .9rem; }

/* --- Badges / chips --- */
.chip {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .5rem .95rem; border-radius: 999px; font-size: .82rem; font-weight: 600;
  background: rgba(41, 177, 132, 0.12); color: var(--accent-2);
  border: 1px solid rgba(41, 177, 132, 0.3);
}

/* --- Header / nav --- */
.site-header {
  position: fixed; inset-inline: 0; top: 0; z-index: 500;
  transition: transform .45s var(--ease-out), background .3s var(--ease-out), border-color .3s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(6, 13, 23, 0.85);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--border);
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header__bar { display: flex; align-items: center; justify-content: space-between; padding-block: 1.1rem; gap: 1rem; }
.site-header__logo { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.site-header__logo-mark {
  width: 40px; height: 40px; border-radius: 11px; flex-shrink: 0;
  background: rgba(41, 177, 132, 0.12);
  border: 1px solid rgba(41, 177, 132, 0.28);
  display: flex; align-items: center; justify-content: center;
}
.site-header__logo-mark svg { width: 20px; height: 20px; }
.site-header__logo-mark img { width: 24px; height: auto; display: block; }
.site-header__nav { display: none; }
.site-header__menu { display: flex; align-items: center; gap: 2rem; }
.site-header__menu a {
  font-size: .92rem; font-weight: 500; color: var(--text-dim);
  transition: color .25s var(--ease-out); position: relative; padding-block: .3rem;
}
.site-header__menu a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: var(--accent); transition: right .3s var(--ease-out); border-radius: 2px;
}
.site-header__menu a:hover { color: var(--text); }
.site-header__menu a:hover::after, .site-header__menu a.is-current::after { right: 0; }
.site-header__menu a.is-current { color: var(--text); }
.has-dropdown { position: relative; }
.has-dropdown > a { display: inline-flex; align-items: center; gap: .35rem; }
.has-dropdown > a .caret { width: 10px; height: 10px; transition: transform .3s var(--ease-out); }
.has-dropdown:hover > a .caret, .has-dropdown:focus-within > a .caret { transform: rotate(180deg); }
.dropdown-panel {
  position: absolute; top: calc(100% + 14px); left: 50%;
  width: 30rem; padding: .9rem; border-radius: var(--radius); background: var(--panel-raised);
  border: 1px solid var(--border-strong); box-shadow: var(--shadow-lg);
  display: grid; grid-template-columns: 1fr 1fr; gap: .2rem;
  opacity: 0; visibility: hidden; transform: translate(-50%, 6px);
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out), visibility 0s linear .25s;
}
.has-dropdown:hover .dropdown-panel, .has-dropdown:focus-within .dropdown-panel {
  opacity: 1; visibility: visible; transform: translate(-50%, 0);
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out);
}
.dropdown-panel a { display: flex; align-items: center; gap: .6rem; padding: .6rem .7rem; border-radius: 10px; font-size: .85rem; }
.dropdown-panel a:hover { background: rgba(238,243,248,.06); }
.dropdown-panel a::after { display: none; }
.dropdown-panel a svg { width: 18px; height: 18px; color: var(--accent-2); flex-shrink: 0; }

.site-header__actions { display: flex; align-items: center; gap: .9rem; }
.site-header__phone { display: none; font-size: .9rem; color: var(--text-dim); font-family: var(--font-mono); }

.nav-toggle {
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid var(--border); flex-shrink: 0;
}
.nav-toggle__bars { width: 20px; height: 14px; position: relative; }
.nav-toggle__bars span {
  position: absolute; left: 0; width: 100%; height: 2px; background: var(--text);
  border-radius: 2px; transition: transform .35s var(--ease-out), opacity .3s var(--ease-out), top .35s var(--ease-out);
}
.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 6px; }
.nav-toggle__bars span:nth-child(3) { top: 12px; }
html.nav-open .nav-toggle__bars span:nth-child(1) { top: 6px; transform: rotate(45deg); }
html.nav-open .nav-toggle__bars span:nth-child(2) { opacity: 0; }
html.nav-open .nav-toggle__bars span:nth-child(3) { top: 6px; transform: rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: 0; z-index: 480;
  background: var(--navy-950);
  display: flex; flex-direction: column;
  padding: 6.5rem var(--gutter) 2.5rem;
  transform: translateY(-8px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out), visibility 0s linear .3s;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; transition: opacity .3s var(--ease-out), transform .3s var(--ease-out); }
.mobile-nav__menu { display: flex; flex-direction: column; gap: .3rem; margin-bottom: 2rem; }
.mobile-nav__menu a {
  display: block; padding: .9rem 0; font-size: 1.35rem; font-family: var(--font-display); font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.mobile-nav__sub { display: flex; flex-direction: column; gap: .1rem; margin: .3rem 0 .8rem 1rem; }
.mobile-nav__sub a { font-size: 1rem; font-family: var(--font-body); font-weight: 500; color: var(--text-dim); padding: .55rem 0; border: 0; }
.mobile-nav__foot { margin-top: auto; display: flex; flex-direction: column; gap: .8rem; }

/* --- Breadcrumbs --- */
.breadcrumbs { padding-top: 6.5rem; }
.breadcrumbs__list { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; font-size: .85rem; color: var(--text-faint); }
.breadcrumbs__list a { color: var(--text-dim); transition: color .2s var(--ease-out); }
.breadcrumbs__list a:hover { color: var(--accent-2); }
.breadcrumbs__list li:not(:last-child)::after { content: "/"; margin-left: .5rem; color: var(--text-faint); }
.breadcrumbs__list li[aria-current] { color: var(--text); }

/* --- Cards --- */
.card {
  background: var(--panel-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: border-color .3s var(--ease-out), transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}

/* --- Placeholder image tiles --- */
.ph-tile {
  position: relative; overflow: hidden; border-radius: var(--radius);
  aspect-ratio: var(--ratio, 4 / 3);
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,.035) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(25deg, rgba(255,255,255,.035) 0 1px, transparent 1px 28px),
    linear-gradient(150deg, var(--navy-800), var(--navy-950) 70%);
  border: 1px solid var(--border);
  display: flex; align-items: flex-end;
}
.ph-tile::before {
  content: ""; position: absolute; inset: -30%;
  background: radial-gradient(circle at 30% 20%, rgba(41,177,132,.18), transparent 55%),
              radial-gradient(circle at 80% 90%, rgba(255,122,46,.14), transparent 55%);
  filter: blur(10px);
}
.ph-tile__icon {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--steel-300); opacity: .55;
}
.ph-tile__icon svg { width: 34%; height: 34%; max-width: 88px; max-height: 88px; }
.ph-tile__label {
  position: relative; z-index: 1; width: 100%; padding: .9rem 1rem;
  background: linear-gradient(to top, rgba(6,13,23,.85), transparent);
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .04em;
  color: var(--text-faint); text-transform: uppercase;
}

/* --- Animated photography (Ken Burns loop) --- */
.kb-frame {
  position: relative; overflow: hidden; border-radius: var(--radius);
  aspect-ratio: var(--ratio, 4 / 3);
  border: 1px solid var(--border);
  background: var(--navy-900);
}
.kb-frame img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  animation: kenBurns 16s ease-in-out infinite alternate;
  will-change: transform;
}
.kb-frame--alt img { animation-direction: alternate-reverse; animation-duration: 19s; }
@keyframes kenBurns {
  0% { transform: scale(1.02) translate3d(0, 0, 0); }
  100% { transform: scale(1.13) translate3d(-2.4%, -1.6%, 0); }
}
.kb-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(6,13,23,0) 55%, rgba(6,13,23,.55) 100%);
}
.kb-frame__label {
  position: absolute; z-index: 1; bottom: 0; left: 0; right: 0; padding: .9rem 1rem;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .04em;
  color: var(--text-faint); text-transform: uppercase;
}
@media (prefers-reduced-motion: reduce) {
  .kb-frame img { animation: none; transform: scale(1.04); }
}

/* --- Forms --- */
.field { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1.15rem; }
.field label { font-size: .85rem; font-weight: 600; color: var(--text-dim); }
.field--required label::after { content: " *"; color: var(--accent); }
.field input, .field textarea, .field select {
  background: rgba(238,243,248,.04); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: .85rem 1rem; color: var(--text);
  transition: border-color .25s var(--ease-out), background .25s var(--ease-out);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent-2); background: rgba(238,243,248,.07);
}
.field textarea { resize: vertical; min-height: 100px; }
.field-row { display: grid; grid-template-columns: 1fr; gap: 0 1rem; }
.field-note { font-size: .78rem; color: var(--text-faint); margin-top: -.6rem; margin-bottom: 1.15rem; opacity: 0; max-height: 0; overflow: hidden; transition: opacity .25s var(--ease-out); }
.field-note.is-active { opacity: 1; max-height: 3rem; }
.form-status { font-size: .85rem; color: var(--accent-2); min-height: 1.2em; margin-top: .5rem; }
.file-drop {
  border: 1px dashed var(--border-strong); border-radius: var(--radius-sm);
  padding: 1.1rem; display: flex; align-items: center; gap: .8rem; color: var(--text-dim); font-size: .88rem;
}
.file-drop svg { width: 22px; height: 22px; color: var(--accent-2); flex-shrink: 0; }
.file-drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.file-drop { position: relative; }

/* --- FAQ (native details/summary — zero JS required) --- */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item summary {
  list-style: none; cursor: pointer; padding: 1.35rem 2.6rem 1.35rem 0; position: relative;
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; position: absolute; right: .2rem; top: 50%; translate: 0 -50%;
  width: 20px; height: 20px;
  background: linear-gradient(var(--text-dim), var(--text-dim)) center / 100% 2px no-repeat,
              linear-gradient(var(--text-dim), var(--text-dim)) center / 2px 100% no-repeat;
  transition: transform .35s var(--ease-out);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding-bottom: 1.5rem; color: var(--text-dim); max-width: 62ch; }

/* --- Floating WhatsApp CTA --- */
.float-cta {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 400;
  display: flex; align-items: center; gap: .7rem;
  padding: .95rem 1.1rem; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-2), var(--green-600));
  color: #04140d; font-weight: 700; font-size: .9rem;
  box-shadow: 0 18px 34px -12px rgba(41,177,132,.55);
  transition: transform .3s var(--ease-bounce);
}
.float-cta:hover { transform: translateY(-3px) scale(1.02); }
.float-cta svg { width: 22px; height: 22px; }
.float-cta__label { display: none; }

/* --- Footer --- */
.site-footer { background: var(--navy-950); border-top: 1px solid var(--border); padding-block: 3.5rem 2rem; }
.site-footer__top { display: grid; gap: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid var(--border); }
.site-footer__brand { display: flex; flex-direction: column; gap: 1rem; max-width: 22rem; }
.site-footer__brand p { color: var(--text-dim); font-size: .92rem; }
.site-footer__cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.site-footer__col h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; font-family: var(--font-mono); color: var(--text-faint); margin-bottom: 1rem; font-weight: 600; }
.site-footer__col ul { display: flex; flex-direction: column; gap: .65rem; }
.site-footer__col a { color: var(--text-dim); font-size: .92rem; transition: color .2s var(--ease-out); }
.site-footer__col a:hover { color: var(--accent-2); }
.site-footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-top: 1.75rem; font-size: .82rem; color: var(--text-faint); }
.site-footer__social { display: flex; gap: .7rem; }
.site-footer__social a {
  width: 38px; height: 38px; border-radius: 999px; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; transition: border-color .2s var(--ease-out), color .2s var(--ease-out);
}
.site-footer__social a:hover { border-color: var(--accent-2); color: var(--accent-2); }
.site-footer__social svg { width: 17px; height: 17px; }

/* =============================================================
   6. Sections
   ============================================================= */

/* --- Hero (home) --- */
.hero {
  position: relative;
  padding-top: clamp(8.5rem, 16vw, 12rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
  overflow: clip;
}
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 130%;
  background:
    radial-gradient(50% 60% at 18% 0%, rgba(41,177,132,.22), transparent 60%),
    radial-gradient(45% 50% at 88% 15%, rgba(255,122,46,.16), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--bg) 70%);
  z-index: -2;
}
.hero__blueprint {
  position: absolute; inset: 0; z-index: -1; opacity: .35;
  background-image:
    linear-gradient(rgba(122,163,197,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122,163,197,.09) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, black, transparent 85%);
}
.hero__inner { display: grid; gap: 2.5rem; align-items: end; }
.hero__title { max-width: 18ch; }
.hero__title .hl { color: var(--accent-2); }
.hero__lead { margin-top: 1.4rem; max-width: 46ch; font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--text-dim); }
.hero__actions { margin-top: 2.2rem; }
.hero__meta { margin-top: 1.4rem; display: flex; flex-wrap: wrap; gap: .6rem; }

.hero-figure { position: relative; }

/* --- Stats strip --- */
.stats-strip {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.stats-strip__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  padding-block: 2.3rem;
}
.stat-item { text-align: center; padding-inline: .5rem; border-right: 1px solid var(--border); }
.stat-item:last-child { border-right: 0; }
.stat-item__value {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(1.9rem, 4vw, 3rem);
  color: var(--text); display: block;
}
.stat-item__value .unit { color: var(--accent); }
.stat-item__label { color: var(--text-dim); font-size: .85rem; margin-top: .3rem; display: block; }

/* --- Product lines grid (home) --- */
.products__grid { display: grid; grid-template-columns: 1fr; gap: 1.4rem; }
.product-card {
  display: block; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--panel-raised); border: 1px solid var(--border);
  transform: perspective(900px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transition: transform .25s var(--ease-out), border-color .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.product-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.product-card .ph-tile, .product-card .kb-frame { border-radius: 0; border: 0; border-bottom: 1px solid var(--border); }
.product-card__body { padding: 1.6rem 1.6rem 1.8rem; }
.product-card__index { font-family: var(--font-mono); font-size: .78rem; color: var(--accent-2); letter-spacing: .06em; }
.product-card__body h3 { margin-top: .5rem; font-size: 1.25rem; }
.product-card__body p { color: var(--text-dim); font-size: .92rem; margin-top: .6rem; }
.product-card__link { margin-top: 1.1rem; }

/* --- Advantages (material) --- */
.advantages__grid { display: grid; grid-template-columns: 1fr; gap: 1.1rem; }
.advantage-item { display: flex; gap: 1rem; align-items: flex-start; }
.advantage-item__icon {
  width: 52px; height: 52px; flex-shrink: 0; border-radius: 14px;
  background: rgba(41,177,132,.12); border: 1px solid rgba(41,177,132,.3);
  display: flex; align-items: center; justify-content: center; color: var(--accent-2);
}
.advantage-item__icon svg { width: 26px; height: 26px; }
.advantage-item h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.advantage-item p { color: var(--text-dim); font-size: .92rem; }

/* --- Sectors --- */
.sectors__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.sector-card {
  padding: 1.6rem 1.2rem; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--panel-raised); text-align: center;
  transition: border-color .3s var(--ease-out), transform .3s var(--ease-out);
}
.sector-card:hover { border-color: rgba(255,122,46,.4); transform: translateY(-4px); }
.sector-card__icon { width: 46px; height: 46px; margin-inline: auto 1rem auto; margin-bottom: .9rem; color: var(--accent); }
.sector-card__icon svg { width: 100%; height: 100%; }
.sector-card h3 { font-size: .98rem; }

/* --- Process --- */
.process__rail { position: relative; display: grid; gap: 2.2rem; }
.process__rail::before {
  content: ""; position: absolute; left: 27px; top: 10px; bottom: 10px; width: 2px;
  background: linear-gradient(var(--accent-2), var(--accent));
  opacity: .35;
}
.process-step { display: flex; gap: 1.3rem; position: relative; opacity: .55; transition: opacity .4s var(--ease-out); }
.process-step.is-active { opacity: 1; }
.process-step__num {
  width: 56px; height: 56px; border-radius: 999px; flex-shrink: 0;
  background: var(--panel-raised); border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700; color: var(--accent-2); font-size: 1.05rem;
  position: relative; z-index: 1;
}
.process-step__body h3 { font-size: 1.1rem; margin-bottom: .4rem; }
.process-step__body p { color: var(--text-dim); font-size: .92rem; max-width: 46ch; }

/* --- Testimonials --- */
.testimonials__grid { display: grid; grid-template-columns: 1fr; gap: 1.3rem; }
.testimonial-card {
  padding: 1.8rem; border-radius: var(--radius); background: var(--panel-raised);
  border: 1px solid var(--border); display: flex; flex-direction: column; gap: 1.1rem;
}
.testimonial-card__stars { display: flex; gap: .2rem; color: var(--accent); }
.testimonial-card__stars svg { width: 16px; height: 16px; }
.testimonial-card__quote { font-size: 1rem; color: var(--text); }
.testimonial-card__who { display: flex; align-items: center; gap: .8rem; margin-top: auto; }
.testimonial-card__avatar {
  width: 42px; height: 42px; border-radius: 999px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent-2), var(--navy-600));
  display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 700; font-size: .95rem;
}
.testimonial-card__who strong { display: block; font-size: .92rem; }
.testimonial-card__who span { display: block; font-size: .8rem; color: var(--text-faint); }

/* --- Certifications --- */
.cert-strip__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.cert-item { display: flex; align-items: center; gap: .8rem; padding: 1.1rem 1.2rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--panel-raised); }
.cert-item svg { width: 26px; height: 26px; color: var(--accent-2); flex-shrink: 0; }
.cert-item span { font-size: .88rem; color: var(--text-dim); }

/* --- CTA band --- */
.cta-band {
  border-radius: var(--radius-lg); padding: clamp(2.2rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, var(--navy-800), var(--navy-950));
  border: 1px solid var(--border-strong); position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 60%; height: 160%;
  background: radial-gradient(circle, rgba(255,122,46,.18), transparent 65%);
}
.cta-band__inner { position: relative; display: grid; gap: 1.6rem; }
.cta-band h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.cta-band p { color: var(--text-dim); margin-top: .8rem; max-width: 40ch; }

/* --- Product hero (detail pages) --- */
.product-hero { padding-top: clamp(1rem, 3vw, 1.5rem); padding-bottom: clamp(3rem, 6vw, 4.5rem); }
.product-hero__grid { display: grid; gap: 2rem; align-items: center; }
.product-hero__title { max-width: 16ch; }
.product-hero__lead { margin-top: 1.2rem; color: var(--text-dim); font-size: 1.08rem; max-width: 48ch; }
.product-hero__actions { margin-top: 1.8rem; }
.product-hero .ph-tile, .product-hero .kb-frame { --ratio: 1/1; }

/* --- Spec sheet --- */
.spec-table { width: 100%; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.spec-table tr { border-bottom: 1px solid var(--border); }
.spec-table tr:last-child { border-bottom: 0; }
.spec-table th, .spec-table td { text-align: left; padding: 1rem 1.3rem; font-size: .92rem; }
.spec-table th {
  width: 38%; font-family: var(--font-mono); font-weight: 600; color: var(--text-faint);
  font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; background: var(--panel);
}
.spec-table td { color: var(--text-dim); }

/* --- Gallery grid --- */
.gallery__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.gallery__grid .ph-tile:first-child, .gallery__grid .kb-frame:first-child { grid-column: 1 / -1; --ratio: 16/9; }

/* --- Download catalog card --- */
.catalog-card {
  display: flex; align-items: center; gap: 1.1rem; padding: 1.4rem 1.6rem;
  border-radius: var(--radius); border: 1px solid var(--border-strong); background: var(--panel-raised);
}
.catalog-card__icon {
  width: 50px; height: 50px; border-radius: 12px; flex-shrink: 0;
  background: rgba(255,122,46,.14); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.catalog-card__icon svg { width: 26px; height: 26px; }
.catalog-card__body { flex: 1; }
.catalog-card__body strong { display: block; font-size: .98rem; }
.catalog-card__body span { display: block; font-size: .82rem; color: var(--text-faint); margin-top: .15rem; }

/* --- Related lines strip --- */
.related__grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.related-card {
  display: flex; align-items: center; gap: 1rem; padding: 1rem; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--panel-raised); transition: border-color .3s var(--ease-out);
}
.related-card:hover { border-color: var(--border-strong); }
.related-card .ph-tile, .related-card .kb-frame { width: 76px; height: 76px; flex-shrink: 0; --ratio: 1/1; border-radius: 12px; }
.related-card__body strong { font-size: .95rem; display: block; }
.related-card__body span { font-size: .8rem; color: var(--text-faint); }

/* =============================================================
   7. Effects
   ============================================================= */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
[data-reveal].is-revealed { opacity: 1; transform: none; }
[data-reveal="fade"] { transform: none; }
[data-reveal-group] > * { transition-delay: calc(var(--i, 0) * 90ms); }

.is-tilting { box-shadow: var(--shadow-lg); z-index: 2; }

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hero-figure__tile { animation: floatSlow 7s ease-in-out infinite; }

/* =============================================================
   8. Responsive
   ============================================================= */
@media (min-width: 540px) {
  .sectors__grid { grid-template-columns: repeat(3, 1fr); }
  .cert-strip__grid { grid-template-columns: repeat(2, 1fr); }
  .field-row { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 720px) {
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .advantages__grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__top { grid-template-columns: 1fr 1.4fr; }
  .float-cta__label { display: inline; }
  .hero__inner { grid-template-columns: 1.15fr .85fr; }
  .product-hero__grid { grid-template-columns: 1fr .9fr; }
}

@media (min-width: 960px) {
  .site-header__nav { display: block; }
  .nav-toggle { display: none; }
  .site-header__phone { display: block; }
  .products__grid { grid-template-columns: repeat(3, 1fr); }
  .sectors__grid { grid-template-columns: repeat(5, 1fr); }
  .stats-strip__grid { padding-block: 2.8rem; }
  .process__rail { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
  .process__rail::before { left: 0; right: 0; top: 27px; bottom: auto; height: 2px; width: auto; }
  .process-step { flex-direction: column; text-align: left; }
  .testimonials__grid { grid-template-columns: repeat(3, 1fr); }
  .cert-strip__grid { grid-template-columns: repeat(4, 1fr); }
  .related__grid { grid-template-columns: repeat(3, 1fr); }
  .site-footer__cols { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1280px) {
  .gallery__grid { grid-template-columns: repeat(3, 1fr); }
  .gallery__grid .ph-tile:first-child, .gallery__grid .kb-frame:first-child { grid-column: span 3; }
}

/* =============================================================
   9. Reduced motion — only the truly intrusive
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-figure__tile { animation: none; }
  [data-reveal] { transition-duration: .01ms; }
}

/* =============================================================
   10. View transitions (multi-page)
   ============================================================= */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) {
  animation-duration: .5s; animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}