/* ==========================================================================
   Hanchuan Clean Technology — Feuille de style principale
   Site : https://cleanroom.xiaozhibg.cn
   ========================================================================== */

:root {
  --ink: #0b1a24;
  --ink-2: #16232e;
  --navy: #0a2233;
  --navy-deep: #061722;
  --cyan: #1fb6c9;
  --cyan-l: #4fd6e6;
  --cyan-soft: rgba(31, 182, 201, 0.12);
  --blue: #1565a8;
  --steel: #eef3f7;
  --line: #dbe4ec;
  --body: #46596a;
  --muted: #7b8c9b;
  --white: #ffffff;
  --radius: 14px;
  --radius-s: 8px;
  --shadow: 0 12px 40px rgba(10, 34, 51, 0.08);
  --shadow-lg: 0 26px 70px rgba(10, 34, 51, 0.16);
  --max: 1200px;
  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--body);
  background: var(--white);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--cyan); }
h1, h2, h3, h4, h5 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.015em;
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.35rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.25em; }
li { margin-bottom: .5em; }
figure { margin: 0; }
table { border-collapse: collapse; width: 100%; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section--tight { padding: clamp(40px, 5vw, 68px) 0; }
.section--steel { background: linear-gradient(180deg, #f7fafc 0%, var(--steel) 100%); }
.section--dark { background: var(--navy); color: #c5d5e0; }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }

/* ---------- Typo helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 2px;
  background: var(--cyan);
  display: inline-block;
}
.section-head { max-width: 760px; margin-bottom: clamp(32px, 4vw, 52px); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { font-size: 1.05rem; margin-bottom: 0; }
.lead { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: #3d4f5e; }
.text-cyan { color: var(--cyan); }

/* ---------- Buttons / CTA ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .01em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  text-align: center;
  line-height: 1.2;
}
.btn--primary {
  background: linear-gradient(120deg, var(--cyan) 0%, var(--blue) 100%);
  color: #fff;
  box-shadow: 0 10px 26px rgba(21, 101, 168, .28);
}
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 16px 34px rgba(21, 101, 168, .36); }
.btn--ghost { border-color: rgba(255, 255, 255, .5); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--navy); border-color: #fff; }
.btn--outline { border-color: var(--line); color: var(--ink); background: #fff; }
.btn--outline:hover { border-color: var(--cyan); color: var(--cyan); }
.btn--sm { padding: 11px 22px; font-size: .88rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Header ---------- */
.topbar {
  background: var(--navy-deep);
  color: #9fb6c6;
  font-size: .82rem;
  letter-spacing: .02em;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 40px; }
.topbar strong { color: #fff; font-weight: 600; }
.topbar a { color: #9fb6c6; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 30px rgba(10, 34, 51, .09); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { width: 172px; height: auto; }
.brand-text { display: none; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 10px 14px;
  font-size: .93rem;
  font-weight: 600;
  color: var(--ink-2);
  border-radius: 8px;
  white-space: nowrap;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--cyan); }

.header-cta { flex-shrink: 0; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--ink);
  position: relative;
  transition: background .2s;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px; height: 2px;
  background: var(--ink);
  transition: transform .25s ease, top .25s ease;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  background: var(--navy);
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .52; }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 520px at 12% 0%, rgba(31, 182, 201, .32), transparent 62%),
    linear-gradient(100deg, rgba(6, 23, 34, .94) 0%, rgba(6, 23, 34, .78) 44%, rgba(6, 23, 34, .42) 100%);
}
.hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding-top: clamp(64px, 9vw, 116px);
  padding-bottom: clamp(56px, 8vw, 104px);
}
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero h1 span { color: var(--cyan-l); }
.hero__lead { font-size: clamp(1.02rem, 1.5vw, 1.22rem); color: #ccdde7; max-width: 30em; }
.hero__points { list-style: none; padding: 0; margin: 26px 0 34px; }
.hero__points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
  color: #e3eef4;
  font-size: .98rem;
}
.hero__points li::before {
  content: "✓";
  flex: 0 0 22px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(31, 182, 201, .18);
  border: 1px solid rgba(79, 214, 230, .5);
  color: var(--cyan-l);
  font-size: .75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
}
.hero__card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 20px;
  padding: 26px;
  backdrop-filter: blur(10px);
}
.hero__card img { border-radius: 12px; margin-bottom: 18px; }
.hero__card h2 { font-size: 1.05rem; color: #fff; letter-spacing: .02em; text-transform: uppercase; margin-bottom: 14px; }
.hero__stat { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid rgba(255, 255, 255, .14); }
.hero__stat:first-of-type { border-top: 0; }
.hero__stat dt { font-size: .85rem; color: #a8c0cf; margin: 0; }
.hero__stat dd { margin: 0; font-weight: 700; color: var(--cyan-l); font-size: 1rem; font-family: var(--font); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative;
  background: var(--navy);
  color: #fff;
  padding: clamp(48px, 7vw, 88px) 0 clamp(44px, 6vw, 76px);
  overflow: hidden;
  isolation: isolate;
}
.page-hero__bg { position: absolute; inset: 0; z-index: -2; }
.page-hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .3; }
.page-hero::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(6, 23, 34, .95) 0%, rgba(6, 23, 34, .76) 55%, rgba(10, 34, 51, .55) 100%);
}
.page-hero h1 { color: #fff; margin-bottom: 14px; }
.page-hero p { color: #c3d5e1; max-width: 62ch; margin-bottom: 0; }

.breadcrumb { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 0; margin: 0 0 18px; font-size: .82rem; color: #93adbd; }
.breadcrumb li { margin: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #6d8797; }
.breadcrumb a { color: #b7cbd8; }
.breadcrumb a:hover { color: var(--cyan-l); }

/* ---------- Grids ---------- */
.grid { display: grid; gap: clamp(18px, 2.4vw, 28px); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #c7d7e3; }
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }

.feature-card { position: relative; overflow: hidden; }
.feature-card__num {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(31, 182, 201, .5);
  margin-bottom: 12px;
  letter-spacing: -.04em;
}
.feature-card h3 { font-size: 1.12rem; }
.feature-card p { font-size: .95rem; margin: 0; color: var(--body); }

/* ---------- Split / media ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 64px);
  align-items: center;
}
.split--reverse .split__media { order: 2; }
.split__media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); width: 100%; object-fit: cover; }
.split__media--framed { position: relative; }
.split__media--framed::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 2px solid var(--cyan-soft);
  border-radius: var(--radius);
  z-index: -1;
}

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border-radius: var(--radius); overflow: hidden; }
.stats__item { background: #fff; padding: 30px 22px; text-align: center; }
.stats__item strong { display: block; font-size: clamp(1.8rem, 3vw, 2.5rem); color: var(--navy); letter-spacing: -.03em; line-height: 1.1; }
.stats__item span { display: block; font-size: .86rem; color: var(--muted); margin-top: 6px; }
.section--dark .stats { background: rgba(255, 255, 255, .1); }
.section--dark .stats__item { background: rgba(255, 255, 255, .04); }
.section--dark .stats__item strong { color: #fff; }

/* ---------- Product cards ---------- */
.product-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  height: 100%;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: #c7d7e3; }
.product-card__media { position: relative; background: #f3f7fa; overflow: hidden; aspect-ratio: 4 / 3; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-card:hover .product-card__media img { transform: scale(1.05); }
.product-card__tag {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(6, 23, 34, .82);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 5px 11px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.product-card__body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.product-card__body h3 { font-size: 1.12rem; margin-bottom: 8px; }
.product-card__body h3 a { color: var(--ink); }
.product-card__body h3 a:hover { color: var(--cyan); }
.product-card__body p { font-size: .93rem; color: var(--body); margin-bottom: 16px; }
.product-card__meta { list-style: none; padding: 0; margin: 0 0 18px; font-size: .84rem; color: var(--muted); }
.product-card__meta li { display: flex; gap: 8px; margin-bottom: 4px; }
.product-card__meta li b { color: var(--ink-2); font-weight: 600; }
.product-card__link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: .88rem;
  color: var(--blue);
}
.product-card__link::after { content: "→"; transition: transform .25s ease; }
.product-card:hover .product-card__link::after { transform: translateX(4px); }

/* ---------- Gallery / realisations ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.gallery figure { position: relative; border-radius: var(--radius-s); overflow: hidden; }
.gallery img { width: 100%; aspect-ratio: 396 / 182; object-fit: cover; transition: transform .55s ease; }
.gallery figure:hover img { transform: scale(1.06); }
.gallery figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 16px 12px;
  font-size: .82rem;
  color: #fff;
  background: linear-gradient(0deg, rgba(6, 23, 34, .88), transparent);
}

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 34px; margin: 0; list-style: none; }
.timeline::before {
  content: "";
  position: absolute;
  left: 9px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(31, 182, 201, .1));
}
.timeline li { position: relative; padding-bottom: 30px; margin: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -31px; top: 8px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--cyan);
  box-sizing: content-box;
}
.timeline strong { display: block; color: var(--cyan); font-size: 1.05rem; letter-spacing: .02em; margin-bottom: 2px; }
.timeline p { margin: 0; font-size: .96rem; }

/* ---------- Accordion / FAQ ---------- */
.faq { display: grid; gap: 14px; }
.faq__item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq__item[open] { border-color: rgba(31, 182, 201, .6); box-shadow: var(--shadow); }
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 56px 20px 22px;
  font-weight: 700;
  color: var(--ink);
  font-size: 1rem;
  position: relative;
  line-height: 1.5;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 20px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--cyan);
  line-height: 1;
  transition: transform .25s ease;
}
.faq__item[open] summary::after { content: "−"; }
.faq__body { padding: 0 22px 22px; font-size: .96rem; color: var(--body); }
.faq__body p:last-child { margin-bottom: 0; }
.faq__body ul { margin-bottom: 0; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-s); background: #fff; }
table.spec { font-size: .92rem; min-width: 520px; }
table.spec caption { caption-side: top; text-align: left; padding: 14px 18px; font-weight: 700; color: var(--ink); background: var(--steel); }
table.spec th, table.spec td { padding: 13px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.spec thead th { background: #f5f9fb; font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
table.spec tbody th { width: 34%; color: var(--ink-2); font-weight: 600; background: #fbfdfe; }
table.spec tr:last-child th, table.spec tr:last-child td { border-bottom: 0; }

/* ---------- Contact / form ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(26px, 4vw, 52px); align-items: start; }
.contact-info { background: var(--navy); color: #c2d4e0; border-radius: var(--radius); padding: 34px; }
.contact-info h2 { color: #fff; font-size: 1.3rem; }
.contact-info p { font-size: .95rem; }
.info-list { list-style: none; padding: 0; margin: 24px 0 0; }
.info-list li { display: flex; gap: 14px; padding: 16px 0; border-top: 1px solid rgba(255, 255, 255, .12); margin: 0; }
.info-list strong { display: block; color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 2px; }
.info-list span { font-size: .95rem; color: #b6cbd8; }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 3vw, 38px); box-shadow: var(--shadow); }
.form-card h2 { font-size: 1.35rem; }
.form-card > p { font-size: .95rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .86rem; font-weight: 600; color: var(--ink-2); }
.field label .req { color: #d9534f; }
.field input, .field select, .field textarea {
  font-family: var(--font);
  font-size: .95rem;
  color: var(--ink);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: #fbfdfe;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}
.field--check { flex-direction: row; align-items: flex-start; gap: 10px; }
.field--check input { width: auto; margin-top: 4px; }
.field--check label { font-weight: 400; font-size: .85rem; color: var(--body); }
.form-note { font-size: .8rem; color: var(--muted); margin: 14px 0 0; }
.form-alert { padding: 14px 16px; border-radius: var(--radius-s); font-size: .92rem; margin: 0 0 18px; }
.form-alert--error { background: #fdf2f2; border: 1px solid #f2c9c9; color: #a33a3a; }
.form-alert--ok { background: #eefaf3; border: 1px solid #bfe8cd; color: #1f7a44; }

/* ---------- Success panel ---------- */
.success-panel {
  display: none;
  text-align: center;
  padding: 20px 8px 8px;
}
.success-panel.is-visible { display: block; animation: fadeUp .5s ease both; }
.success-panel__icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2bb673, #4fd6e6);
  color: #fff;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(43, 182, 115, .32);
}
.success-panel h2 { font-size: 1.45rem; margin-bottom: 10px; }
.success-panel p { font-size: .98rem; max-width: 46ch; margin-left: auto; margin-right: auto; }
.success-ref { display: inline-block; font-size: .82rem; color: var(--muted); background: var(--steel); padding: 6px 14px; border-radius: 999px; margin-bottom: 20px; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(112deg, var(--navy-deep) 0%, #0d3550 58%, #12607a 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: clamp(34px, 5vw, 58px);
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 214, 230, .34), transparent 68%);
  z-index: -1;
}
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: #c5d9e5; margin-bottom: 0; max-width: 56ch; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.cta-band__inner > div { flex: 1 1 380px; }

/* ---------- Product detail layout ---------- */
.pd-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 54px); align-items: start; }
.pd-gallery img { border-radius: var(--radius); background: #f3f7fa; width: 100%; }
.pd-badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
.pd-badges li {
  margin: 0;
  font-size: .78rem;
  font-weight: 600;
  color: var(--navy);
  background: var(--steel);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 999px;
}
.pd-content h1 { margin-bottom: 14px; }
.pd-sub { font-size: 1.05rem; color: #3d4f5e; }
.pd-highlight { display: grid; gap: 12px; margin: 22px 0; padding: 0; list-style: none; }
.pd-highlight li {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-s);
  font-size: .95rem;
}
.pd-highlight b { color: var(--ink); }

.pd-blocks { display: grid; gap: clamp(18px, 2.4vw, 26px); }
.pd-block { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 3vw, 34px); }
.pd-block h2 { font-size: 1.3rem; padding-bottom: 12px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.pd-block h3 { font-size: 1.02rem; margin: 22px 0 8px; color: var(--navy); }
.pd-block h3:first-of-type { margin-top: 0; }
.pd-block ul { font-size: .96rem; }
.pd-prose p { font-size: .98rem; }
.pd-prose p:last-child { margin-bottom: 0; }

.checklist { list-style: none; padding: 0; display: grid; gap: 10px; }
.checklist li { position: relative; padding-left: 30px; margin: 0; font-size: .95rem; }
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 1px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: .7rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pd-side { position: sticky; top: 100px; background: var(--navy); color: #c5d5e0; border-radius: var(--radius); padding: 30px; }
.pd-side h2 { color: #fff; font-size: 1.15rem; }
.pd-side p { font-size: .93rem; }
.pd-side .btn { width: 100%; margin-top: 6px; }
.pd-side ul { list-style: none; padding: 0; margin: 18px 0 22px; }
.pd-side li { display: flex; gap: 10px; font-size: .9rem; padding: 9px 0; border-top: 1px solid rgba(255, 255, 255, .12); margin: 0; }
.pd-side li::before { content: "▸"; color: var(--cyan-l); }

/* ---------- Applications ---------- */
.apps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.app-card { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--navy); }
.app-card img { width: 100%; aspect-ratio: 400 / 250; object-fit: cover; opacity: .82; transition: transform .5s ease, opacity .4s ease; }
.app-card:hover img { transform: scale(1.05); opacity: .95; }
.app-card__body {
  position: absolute;
  inset: auto 0 0 0;
  padding: 44px 20px 20px;
  color: #fff;
  background: linear-gradient(0deg, rgba(6, 23, 34, .94) 12%, rgba(6, 23, 34, .1) 100%);
}
.app-card__body h3 { color: #fff; font-size: 1.05rem; margin-bottom: 6px; }
.app-card__body p { margin: 0; font-size: .86rem; color: #cbdfe9; }

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; counter-reset: step; }
.steps li {
  position: relative;
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 20px 22px;
  counter-increment: step;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cyan);
  margin-bottom: 8px;
  letter-spacing: -.03em;
}
.steps strong { display: block; color: var(--ink); margin-bottom: 4px; font-size: 1rem; }
.steps p { margin: 0; font-size: .88rem; color: var(--body); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: #95acbc; font-size: .92rem; padding: clamp(48px, 6vw, 76px) 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: clamp(24px, 3.4vw, 46px); }
.site-footer h3 { color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 18px; }
.site-footer a { color: #95acbc; }
.site-footer a:hover { color: var(--cyan-l); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.footer-brand img { width: 180px; margin-bottom: 16px; background: #fff; padding: 8px 10px; border-radius: 8px; }
.footer-brand p { font-size: .9rem; line-height: 1.7; }
.footer-bottom {
  margin-top: clamp(36px, 4vw, 56px);
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: .82rem;
  color: #76909f;
}
.footer-bottom p { margin: 0; }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 22px; bottom: 22px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease, background .3s ease;
  z-index: 80;
  font-size: 1rem;
}
.to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.to-top:hover { background: var(--cyan); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero__card { max-width: 520px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pd-layout { grid-template-columns: 1fr; }
  .pd-side { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .apps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .topbar .container { flex-direction: column; justify-content: center; gap: 2px; padding-top: 6px; padding-bottom: 6px; text-align: center; }
  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .nav {
    position: fixed;
    inset: 78px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    padding: 10px 18px 22px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(10, 34, 51, .12);
    transform: translateY(-140%);
    transition: transform .35s ease;
    max-height: calc(100vh - 78px);
    overflow-y: auto;
    gap: 2px;
  }
  .nav.is-open { transform: translateY(0); }
  .nav a { padding: 14px 8px; border-bottom: 1px solid #f1f5f8; font-size: 1rem; }
  .nav a::after { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .split, .split--reverse { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .container { padding: 0 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .apps { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; }
  .btn-row .btn { width: 100%; }
  .brand img { width: 140px; }
  .footer-grid { grid-template-columns: 1fr; }
  .contact-info { padding: 26px 22px; }
  .cta-band { padding: 28px 22px; }
}