/* ==========================================================================
   ZY DIESEL — Core stylesheet
   Industrial B2B design system. No framework, no build step.
   Edit the CSS variables below to re-skin the whole site.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Brand palette */
  --ink:        #0b0f13;
  --ink-2:      #12181e;
  --steel:      #1b232b;
  --steel-2:    #2a343d;
  --accent:     #ff6a13;   /* signal orange */
  --accent-dk:  #e2550a;
  --accent-soft:#fff1e8;
  --amber:      #ffb020;

  /* Neutrals */
  --paper:      #ffffff;
  --surface:    #f4f6f7;
  --surface-2:  #eaedef;
  --line:       #dfe4e8;
  --line-dk:    #2b353e;
  --body:       #3d4852;
  --muted:      #6c7883;
  --on-dark:    #e8edf1;
  --on-dark-mut:#9aa8b4;

  /* Type */
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-head: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-cond: "Barlow Condensed", "Inter", "Arial Narrow", sans-serif;

  /* Layout */
  --wrap: 1220px;
  --wrap-narrow: 860px;
  --radius: 4px;
  --radius-lg: 8px;
  --header-h: 76px;

  /* Motion */
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--body);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--ink);
  margin: 0 0 .6em;
  line-height: 1.15;
  letter-spacing: -.022em;
  font-weight: 800;
}
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.65rem, 3vw, 2.45rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.45rem); font-weight: 700; }
h4 { font-size: 1.02rem; font-weight: 700; }
p  { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.2em; }
li { margin-bottom: .45em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }
::selection { background: var(--accent); color: #fff; }

/* ---------- 3. Helpers ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: var(--wrap-narrow); }
.section { padding: 84px 0; }
.section--tight { padding: 56px 0; }
.section--surface { background: var(--surface); }
.section--dark { background: var(--ink); color: var(--on-dark-mut); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.center { text-align: center; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 62ch; }
.section--dark .lead { color: var(--on-dark-mut); }
.muted { color: var(--muted); }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-cond);
  font-size: .82rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; background: var(--accent); display: block;
}
.section--dark .eyebrow { color: var(--amber); }
.section--dark .eyebrow::before { background: var(--amber); }

.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head p { margin-bottom: 0; }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 26px;
  font-size: .94rem; font-weight: 600; letter-spacing: .01em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  transition: background .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), transform .15s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dk); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--steel-2); }
.btn-outline { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-outline:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.btn-outline-light { border-color: rgba(255,255,255,.32); color: #fff; background: transparent; }
.btn-outline-light:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-sm { padding: 10px 18px; font-size: .86rem; }
.btn-block { width: 100%; }
.btn .arrow { transition: transform .2s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 600; font-size: .93rem; color: var(--ink);
  border-bottom: 1.5px solid var(--accent); padding-bottom: 2px;
}
.link-arrow:hover { color: var(--accent); }

/* ---------- 5. Top bar ---------- */
.topbar {
  background: var(--ink); color: var(--on-dark-mut);
  font-size: .78rem; letter-spacing: .02em;
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: 38px;
}
.topbar-list { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.topbar-list li { margin: 0; display: flex; align-items: center; gap: 7px; }
.topbar a:hover { color: #fff; }
.topbar .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
@media (max-width: 780px) { .topbar-left { display: none; } }

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; gap: 32px;
  height: var(--header-h);
}
.logo { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.logo-img {
  width: auto; height: 38px; max-width: 130px; object-fit: contain;
  flex-shrink: 0; display: block;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, .18));
}
@media (max-width: 480px) { .logo-img { height: 30px; max-width: 104px; } }
.logo-mark {
  width: 42px; height: 42px; flex-shrink: 0;
  padding: 0 3px; text-align: center; line-height: 1;
  background: var(--ink); color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-cond); font-weight: 700; font-size: 1.05rem;
  letter-spacing: .02em; border-radius: 3px;
  position: relative;
}
.logo-mark::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 3px;
  background: var(--accent);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.logo-text b {
  font-size: clamp(.86rem, 1.45vw, 1.06rem); font-weight: 800; letter-spacing: -.01em; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.logo-text span {
  font-family: var(--font-cond); font-size: .7rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.nav { margin-left: auto; }
.nav-list {
  display: flex; align-items: center; gap: 4px;
  list-style: none; margin: 0; padding: 0;
}
.nav-list > li { margin: 0; position: relative; }
.nav-list > li > a {
  display: flex; align-items: center; gap: 5px;
  padding: 10px 13px; font-size: .92rem; font-weight: 500; color: var(--ink);
  border-radius: 3px; transition: background .15s, color .15s;
}
.nav-list > li > a:hover { background: var(--surface); color: var(--accent); }
.nav-list > li > a.active { color: var(--accent); }
.nav-cta { display: flex; gap: 10px; margin-left: 18px; }

/* Dropdown */
.has-drop > a::after {
  content: ""; width: 5px; height: 5px; border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px);
  margin-left: 2px;
}
.drop {
  position: absolute; top: calc(100% + 6px); left: 0;
  min-width: 290px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: 0 18px 46px rgba(11,15,19,.13);
  padding: 8px; list-style: none; margin: 0;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: all .18s var(--ease);
}
.has-drop:hover .drop, .has-drop:focus-within .drop {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.drop li { margin: 0; }
.drop a {
  display: block; padding: 10px 12px; border-radius: 4px;
  font-size: .89rem; color: var(--body);
}
.drop a:hover { background: var(--surface); color: var(--accent); }
.drop a small { display: block; color: var(--muted); font-size: .76rem; }

/* Mobile toggle */
.nav-toggle {
  display: none; margin-left: auto;
  width: 42px; height: 42px; border: 1px solid var(--line);
  background: #fff; border-radius: 4px;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  position: absolute; left: 50%; width: 18px; height: 2px; background: var(--ink);
  transition: transform .2s, opacity .2s;
}
.nav-toggle span { top: 50%; margin: -1px 0 0 -9px; }
.nav-toggle span::before { content: ""; left: 0; top: -6px; }
.nav-toggle span::after  { content: ""; left: 0; top: 6px; }
body.nav-open .nav-toggle span { background: transparent; }
body.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
body.nav-open .nav-toggle span::after  { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1040px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 12px 20px 26px; margin: 0;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    display: none;
  }
  body.nav-open .nav { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list > li > a { padding: 14px 6px; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .drop {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; border-radius: 0; padding: 4px 0 8px 12px;
    display: none; min-width: 0;
  }
  .has-drop.open .drop { display: block; }
  .nav-cta { flex-direction: column; margin: 18px 0 0; }
  .nav-cta .btn { width: 100%; }
}

/* ---------- 7. Hero ---------- */
.hero {
  position: relative; background: var(--ink); color: var(--on-dark);
  overflow: hidden; isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
}
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .42; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(100deg, rgba(11,15,19,.96) 0%, rgba(11,15,19,.86) 42%, rgba(11,15,19,.42) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 64px);
}
.hero .wrap { position: relative; padding-top: 104px; padding-bottom: 96px; }
.hero-inner { max-width: 660px; }
.hero h1 { color: #fff; letter-spacing: -.03em; }
.hero h1 em {
  font-style: normal; color: var(--accent);
}
.hero p {
  font-size: 1.12rem; color: var(--on-dark-mut); max-width: 56ch;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 46px; }
.hero-badges {
  display: flex; flex-wrap: wrap; gap: 10px 26px;
  font-size: .82rem; color: var(--on-dark-mut);
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px;
}
.hero-badges span { display: flex; align-items: center; gap: 7px; }
.hero-badges svg { color: var(--accent); flex-shrink: 0; }

/* Stat strip */
.stats {
  background: var(--steel); border-top: 1px solid var(--line-dk);
}
.stats .wrap {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line-dk);
}
.stat {
  background: var(--steel); padding: 28px 22px;
}
.stat b {
  display: block;
  font-family: var(--font-cond);
  font-size: 2.35rem; font-weight: 700; color: #fff;
  line-height: 1; letter-spacing: -.02em; margin-bottom: 6px;
}
.stat b i { font-style: normal; color: var(--accent); }
.stat span {
  font-size: .76rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--on-dark-mut);
}
@media (max-width: 760px) {
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .hero .wrap { padding-top: 76px; padding-bottom: 68px; }
}

/* ---------- 8. Cards / grids ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Product card */
.pcard {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color .2s, box-shadow .25s var(--ease), transform .25s var(--ease);
}
.pcard:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(11,15,19,.11);
  transform: translateY(-3px);
}
.pcard-media {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--surface);
}
.pcard-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s var(--ease);
}
.pcard:hover .pcard-media img { transform: scale(1.045); }
.pcard-tag {
  position: absolute; top: 12px; left: 12px;
  background: rgba(11,15,19,.86); color: #fff;
  font-family: var(--font-cond); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; padding: 5px 10px; border-radius: 2px;
}
.pcard-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.pcard-body h3 { margin-bottom: .45em; }
.pcard-body p { font-size: .92rem; color: var(--muted); margin-bottom: 16px; }
.pcard-body .link-arrow { margin-top: auto; align-self: flex-start; }
.pcard-specs {
  list-style: none; padding: 0; margin: 0 0 18px;
  font-size: .84rem; color: var(--body);
  border-top: 1px solid var(--line); padding-top: 14px;
}
.pcard-specs li {
  display: flex; justify-content: space-between; gap: 12px;
  margin-bottom: 7px;
}
.pcard-specs span { color: var(--muted); }

/* Feature / value card */
.fcard { padding: 28px 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.fcard .ico {
  width: 44px; height: 44px; border-radius: 6px; margin-bottom: 18px;
  background: var(--accent-soft); color: var(--accent-dk);
  display: grid; place-items: center;
}
.fcard h4 { margin-bottom: .4em; }
.fcard p { font-size: .9rem; color: var(--muted); margin: 0; }
.section--dark .fcard { background: var(--ink-2); border-color: var(--line-dk); }
.section--dark .fcard p { color: var(--on-dark-mut); }
.section--dark .fcard .ico { background: rgba(255,106,19,.13); color: var(--accent); }

/* Numbered step */
.step { position: relative; padding-top: 18px; border-top: 2px solid var(--line); }
.step::before {
  content: attr(data-step);
  position: absolute; top: -2px; left: 0;
  font-family: var(--font-cond); font-size: .78rem; font-weight: 700;
  letter-spacing: .1em; color: var(--accent);
  background: #fff; padding-right: 10px; transform: translateY(-50%);
}
.section--surface .step::before { background: var(--surface); }
.section--dark .step { border-color: var(--line-dk); }
.section--dark .step::before { background: var(--ink); }
.step h4 { margin: 10px 0 .35em; font-size: .98rem; }
.step p { font-size: .88rem; color: var(--muted); margin: 0; }
.section--dark .step p { color: var(--on-dark-mut); }

/* Brand wall */
.brandwall {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 12px;
}
.brandwall a,
.brandwall span {
  display: grid; place-items: center; text-align: center;
  padding: 20px 12px; min-height: 78px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff;
  font-family: var(--font-cond); font-weight: 600; font-size: 1.02rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--steel-2);
  transition: all .18s var(--ease);
}
.brandwall a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 8b. Video grid ---------- */
.video-grid {
  display: flex; flex-wrap: wrap; gap: 22px; align-items: flex-start;
}
.vcard { margin: 0; flex: 1 1 250px; min-width: 220px; }
.vcard.v-land { flex: 2 1 500px; }
.vcard.v-port { flex: 1 1 240px; max-width: 320px; }
.vcard video {
  width: 100%; object-fit: cover;
  border-radius: var(--radius-lg); background: #000;
  display: block;
}
.vcard.v-land video { aspect-ratio: 16 / 9; }
.vcard.v-port video { aspect-ratio: 9 / 16; }
.vcard figcaption {
  font-family: var(--font-cond); font-size: .8rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin-top: 9px;
}

/* ---------- 9. Split / media blocks ---------- */
.split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.split--media-left .split-media { order: -1; }
.split-media img { border-radius: var(--radius-lg); width: 100%; }
.split-media { position: relative; }
.split-media .badge-float {
  position: absolute; right: -18px; bottom: -18px;
  background: var(--accent); color: #fff;
  padding: 18px 22px; border-radius: var(--radius-lg);
  font-family: var(--font-cond); line-height: 1.05;
}
.split-media .badge-float b { display: block; font-size: 1.9rem; }
.split-media .badge-float span { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split--media-left .split-media { order: 0; }
}

/* Checklist */
.checklist { list-style: none; padding: 0; margin: 0 0 28px; }
.checklist li {
  position: relative; padding-left: 30px; margin-bottom: 13px;
  font-size: .95rem; color: var(--body);
}
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .42em;
  width: 15px; height: 8px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.section--dark .checklist li { color: var(--on-dark); }

/* ---------- 10. Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; background: #fff; }
thead th {
  background: var(--surface); text-align: left;
  font-size: .76rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
  padding: 13px 16px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
tbody td { padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fafbfb; }
td code, .mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .86em; color: var(--ink); background: var(--surface);
  padding: 1px 5px; border-radius: 3px;
}

/* ---------- 11. FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; background: none; border: 0; text-align: left;
  padding: 22px 44px 22px 0; position: relative;
  font-size: 1rem; font-weight: 600; color: var(--ink); line-height: 1.45;
}
.faq-q::after {
  content: ""; position: absolute; right: 6px; top: 50%;
  width: 11px; height: 11px; margin-top: -7px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg); transition: transform .25s var(--ease);
}
.faq-item.open .faq-q::after { transform: rotate(-135deg); margin-top: -3px; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s var(--ease); }
.faq-a > div { padding: 0 40px 24px 0; font-size: .94rem; color: var(--muted); }
.faq-a p:last-child { margin-bottom: 0; }

/* ---------- 12. CTA band ---------- */
.cta-band {
  background: var(--accent); color: #fff; padding: 58px 0;
}
.cta-band .wrap {
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: .25em; }
.cta-band p { color: rgba(255,255,255,.9); margin: 0; max-width: 52ch; }
.cta-band .btn-dark { background: var(--ink); }
.cta-band .btn-outline-light { border-color: rgba(255,255,255,.6); }

/* ---------- 13. Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label {
  font-size: .82rem; font-weight: 600; color: var(--ink); letter-spacing: .01em;
}
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px;
  font-family: inherit; font-size: .93rem; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; min-height: 116px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,106,19,.13);
}
.field input::placeholder, .field textarea::placeholder { color: #a9b2ba; }
.form-note { font-size: .8rem; color: var(--muted); margin: 14px 0 0; }
.form-status {
  display: none; margin-top: 16px; padding: 14px 16px;
  border-radius: var(--radius); font-size: .9rem;
  background: #e9f7ef; color: #14683c; border: 1px solid #b9e5cc;
}
.form-status.show { display: block; }

/* Contact info list */
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li {
  display: flex; gap: 14px; padding: 18px 0;
  border-bottom: 1px solid var(--line); margin: 0;
}
.info-list li:first-child { border-top: 1px solid var(--line); }
.info-list .ico {
  width: 38px; height: 38px; flex-shrink: 0; border-radius: 6px;
  background: var(--accent-soft); color: var(--accent-dk);
  display: grid; place-items: center;
}
.info-list b { display: block; font-size: .78rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 3px; }
.info-list a, .info-list span { font-size: .96rem; color: var(--ink); }
.info-list a:hover { color: var(--accent); }

/* ---------- 14. Page header (inner pages) ---------- */
.pagehead {
  background: var(--ink); color: var(--on-dark-mut);
  padding: 62px 0 58px;
  border-bottom: 3px solid var(--accent);
  position: relative; overflow: hidden;
}
.pagehead::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0 1px, transparent 1px 64px);
}
.pagehead .wrap { position: relative; }
.pagehead h1 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.9rem); margin-bottom: .3em; }
.pagehead p { color: var(--on-dark-mut); max-width: 64ch; margin: 0; font-size: 1.02rem; }
.crumbs {
  display: flex; gap: 8px; flex-wrap: wrap; list-style: none;
  padding: 0; margin: 0 0 18px; font-size: .8rem; color: var(--on-dark-mut);
}
.crumbs li { margin: 0; }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--line-dk); }
.crumbs a:hover { color: #fff; }

/* ---------- 15. Filter bar ---------- */
.filterbar {
  display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 34px;
  padding-bottom: 24px; border-bottom: 1px solid var(--line);
}
.chip {
  padding: 8px 16px; border-radius: 100px;
  border: 1px solid var(--line); background: #fff;
  font-size: .86rem; font-weight: 500; color: var(--body);
  transition: all .15s var(--ease);
}
.chip:hover { border-color: var(--steel-2); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* Part row list */
.partlist { list-style: none; padding: 0; margin: 0; }
.partlist li {
  display: grid; grid-template-columns: 1fr auto; gap: 16px;
  align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line);
  margin: 0;
}
.partlist .pn {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88rem; color: var(--ink);
}
.partlist .desc { font-size: .85rem; color: var(--muted); }

/* ---------- 16. Footer ---------- */
.site-footer { background: var(--ink); color: var(--on-dark-mut); padding: 68px 0 0; }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px; padding-bottom: 52px;
}
.site-footer h4 {
  color: #fff; font-size: .8rem; letter-spacing: .14em;
  text-transform: uppercase; margin-bottom: 18px; font-weight: 600;
}
.site-footer .logo-text b { color: #fff; }
.site-footer .logo-text span { color: var(--on-dark-mut); }
.site-footer .logo-mark { background: var(--steel); }
.footer-about p { font-size: .89rem; margin: 18px 0 0; max-width: 34ch; }
.flist { list-style: none; padding: 0; margin: 0; }
.flist li { margin-bottom: 10px; }
.flist a { font-size: .89rem; }
.flist a:hover { color: #fff; }
.social { display: flex; gap: 9px; margin-top: 20px; }
.social a {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--line-dk); border-radius: 4px; color: var(--on-dark-mut);
  transition: all .18s;
}
.social a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--line-dk); padding: 20px 0 24px;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: .8rem;
}
.footer-bottom a:hover { color: #fff; }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- 17. Floating WhatsApp ---------- */
.fab {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  display: flex; align-items: center; gap: 10px;
  background: #25d366; color: #fff;
  padding: 12px 18px; border-radius: 100px;
  font-size: .88rem; font-weight: 600;
  box-shadow: 0 8px 26px rgba(37,211,102,.4);
  transition: transform .2s var(--ease), box-shadow .2s;
}
.fab:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(37,211,102,.5); }
@media (max-width: 640px) {
  .fab span { display: none; }
  .fab { padding: 14px; border-radius: 50%; }
}

/* ---------- 18. Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- 19. Misc ---------- */
.notice {
  background: var(--accent-soft); border-left: 3px solid var(--accent);
  padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .9rem; color: #7a3a10;
}
.badge-iso {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ink);
  border: 1px solid var(--line); border-radius: 100px; padding: 7px 14px;
}
.badge-iso svg { color: var(--accent); }
.spec-list { list-style: none; padding: 0; margin: 0; }
.spec-list li {
  display: flex; justify-content: space-between; gap: 18px;
  padding: 12px 0; border-bottom: 1px solid var(--line); margin: 0;
  font-size: .9rem;
}
.spec-list span:first-child { color: var(--muted); }
.spec-list span:last-child { color: var(--ink); font-weight: 500; text-align: right; }
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff;
  padding: 12px 18px; z-index: 999;
}
.skip-link:focus { left: 0; }
