/* ============================================================
   CYES SILICONE PRODUCTS — Global Stylesheet
   Professional silicone products manufacturer website
   SEO & AI friendly, lightweight, no external dependencies
   ============================================================ */

:root {
  /* Brand palette */
  --primary: #0E7A5F;
  --primary-dark: #0A5C48;
  --primary-deep: #074536;
  --ink: #14332B;          /* headings */
  --body: #42554E;         /* body text */
  --muted: #6B7D77;
  --accent: #F59E0B;       /* CTA highlight */
  --accent-dark: #D9820A;
  --bg: #FFFFFF;
  --bg-alt: #F4F9F6;
  --bg-dark: #0C2B23;      /* footer / dark band */
  --border: #E2ECE7;
  --success: #15803D;

  /* Tech accents */
  --cyan: #22D3EE;
  --cyan-soft: #67E8F9;
  --tech-glow: rgba(34, 211, 238, 0.35);
  --tech-grad: linear-gradient(135deg, #22D3EE 0%, #0E7A5F 100%);
  --tech-grad-soft: linear-gradient(135deg, rgba(34,211,238,0.14) 0%, rgba(14,122,95,0.14) 100%);

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Layout */
  --container: 1180px;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 3px rgba(12, 43, 35, 0.08);
  --shadow-md: 0 8px 28px rgba(12, 43, 35, 0.10);
  --shadow-lg: 0 18px 50px rgba(12, 43, 35, 0.14);
  --shadow-cyan: 0 8px 32px rgba(34, 211, 238, 0.22);
  --transition: 0.22s ease;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  background: var(--bg);
}
img, svg, video { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.25; margin: 0 0 0.5em; font-weight: 700; text-wrap: balance; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.18rem; }
p { margin: 0 0 1em; text-wrap: pretty; }
li { text-wrap: pretty; }
ul, ol { padding-left: 1.2em; margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ---------- Layout utilities ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--bg-dark); color: #D8E5E0; }.section--dark h2, .section--dark h3 { color: #FFFFFF; }
.section-head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section-head p { font-size: 1.05rem; }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
  font-family: var(--font-mono);
}
.eyebrow::before { content: "// "; color: var(--cyan); }
.lead { font-size: 1.15rem; color: var(--body); }
.text-center { text-align: center; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 32px; }
.mt-3 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.2;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary { background: var(--accent); color: #3A2500; }
.btn--primary:hover { background: var(--accent-dark); color: #2A1B00; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn--outline:hover { background: var(--primary); color: #fff; }
.btn--light { background: #fff; color: var(--primary-deep); }
.btn--light:hover { background: #eef6f2; transform: translateY(-1px); }
.btn--lg { padding: 16px 34px; font-size: 1.05rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--tech-grad); opacity: 0.7;
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 88px; gap: 28px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 1.42rem; color: var(--ink); letter-spacing: 0.01em; flex-shrink: 0; white-space: nowrap; }
.logo:hover { color: var(--ink); }
.logo > span:not(.logo__mark) { flex-shrink: 0; white-space: nowrap; line-height: 1.1; }
.logo__mark {
  width: 46px; height: 46px; flex: none;
  display: grid; place-items: center;
  transition: transform .2s ease;
}
.logo:hover .logo__mark { transform: translateY(-1px); }
.logo__mark svg { width: 100%; height: 100%; display: block; }
.logo__sub { font-weight: 600; color: var(--muted); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; display: block; line-height: 1.15; white-space: nowrap; }
.site-nav ul { display: flex; list-style: none; margin: 0; padding: 0; gap: 6px; }
.site-nav li { flex-shrink: 0; }
.site-nav a {
  display: block; padding: 11px 18px; font-size: 1rem; font-weight: 600;
  color: var(--ink); border-radius: 10px; letter-spacing: 0.01em; white-space: nowrap;
}
.site-nav a:hover { color: var(--primary); background: var(--bg-alt); }
.site-nav a.is-active { color: var(--primary); box-shadow: inset 0 -2px 0 var(--cyan); }

/* Dropdown navigation */
.site-nav li { position: relative; }
.site-nav li.has-dropdown > a { display: flex; align-items: center; gap: 6px; }
.site-nav li.has-dropdown > a::after {
  content: ""; width: 8px; height: 8px; border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s ease;
}
.site-nav li.has-dropdown:hover > a::after { transform: rotate(225deg) translateY(-2px); }
.dropdown {
  position: absolute; top: 100%; left: auto; right: 0; min-width: 290px; max-width: 340px;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow-lg); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(8px); transition: all 0.2s ease; z-index: 200;
}
.site-nav li.has-dropdown:hover .dropdown,
.site-nav li.has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li { display: block; }
.dropdown a {
  display: block; padding: 9px 14px; font-size: 0.88rem; font-weight: 600; color: var(--ink);
  border-radius: 8px; white-space: nowrap;
}
.dropdown a:hover { color: var(--primary); background: var(--bg-alt); }
.dropdown a.is-active { color: var(--primary); box-shadow: inset 0 -2px 0 var(--cyan); }

.nav-cta { margin-left: 8px; }
.nav-mobile-cta { display: none; }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--border);
  border-radius: 8px; width: 44px; height: 44px; cursor: pointer; place-items: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, #082019 0%, #0B3B2E 45%, #0E7A5F 100%);
  color: #EAF5F1;
}
/* tech grid pattern + glow orbs */
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(103,232,249,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103,232,249,0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 40%, transparent 100%);
}
.hero::after {
  content: ""; position: absolute; width: 620px; height: 620px; right: -160px; top: -180px;
  background: radial-gradient(circle, rgba(34,211,238,0.28) 0%, transparent 65%);
  pointer-events: none; filter: blur(10px);
}
.hero > * { position: relative; z-index: 1; }
.hero__inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; padding: 88px 0 96px; }
.hero h1 { color: #fff; margin-bottom: 20px; max-width: 16ch; text-wrap: balance; }
.hero p { color: #D6E9E2; font-size: 1.15rem; max-width: 540px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(34,211,238,0.12); border: 1px solid rgba(103,232,249,0.35);
  color: #CFF6FF; padding: 6px 14px; border-radius: 999px; font-size: 0.85rem; font-weight: 600;
  font-family: var(--font-mono); letter-spacing: 0.02em;
  margin-bottom: 20px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }
.hero__meta { display: flex; gap: 28px; margin-top: 40px; flex-wrap: wrap; }
.hero__meta div strong { display: block; font-size: 1.5rem; color: #fff; }
.hero__meta div span { font-size: 0.85rem; color: #BFD9D0; }
.hero__figure { position: relative; }
.hero__figure img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.hero__chip {
  position: absolute; background: #fff; color: var(--ink);
  border-radius: 12px; padding: 10px 16px; box-shadow: var(--shadow-md);
  font-size: 0.85rem; font-weight: 700; display: flex; align-items: center; gap: 8px;
}
.hero__chip--1 { top: 20px; left: -18px; }
.hero__chip--2 { bottom: 22px; right: -14px; }

/* ---------- Stats band ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat { padding: 8px; }
.stat__num {
  font-size: 2.4rem; font-weight: 800; line-height: 1.1; font-family: var(--font-mono);
  background: var(--tech-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat__label { color: var(--muted); font-size: 0.95rem; margin-top: 4px; }

/* ---------- Certifications / trust badges ---------- */
.cert-strip { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.cert {
  display: flex; align-items: center; gap: 12px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; transition: var(--transition);
}
.cert:hover { border-color: var(--cyan); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.cert__icon {
  flex: none; width: 44px; height: 44px; border-radius: 10px;
  display: grid; place-items: center; color: #fff;
  background: var(--tech-grad);
}
.cert__icon svg { width: 24px; height: 24px; }
.cert__name { font-weight: 700; color: var(--ink); font-size: 0.95rem; line-height: 1.2; }
.cert__desc { font-size: 0.8rem; color: var(--muted); line-height: 1.3; }

@media (max-width: 1024px) {
  .cert-strip { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .cert-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Cards ---------- */
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md), var(--shadow-cyan); border-color: rgba(34,211,238,0.4); }
.card__icon {
  width: 54px; height: 54px; border-radius: 12px; display: grid; place-items: center;
  background: var(--bg-alt); color: var(--primary); margin-bottom: 18px;
}
.card__icon svg { width: 28px; height: 28px; }
.card h3 { margin-bottom: 8px; }
.card p { margin-bottom: 0; font-size: 0.98rem; }

/* Application category cards */
.cat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.cat {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 14px; text-align: center; transition: var(--transition);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.cat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md), var(--shadow-cyan); border-color: var(--cyan); }
.cat__icon { width: 48px; height: 48px; color: var(--primary); }
.cat__icon svg { width: 100%; height: 100%; }
.cat__name { font-weight: 700; color: var(--ink); font-size: 0.95rem; line-height: 1.3; }

/* ---------- Feature list ---------- */
.feature { display: flex; gap: 18px; align-items: flex-start; }
.feature__check { flex: none; width: 26px; height: 26px; border-radius: 50%; background: #E2F2EC; color: var(--primary); display: grid; place-items: center; margin-top: 2px; }
.feature__check svg { width: 15px; height: 15px; }
.feature h4 { margin-bottom: 4px; }
.feature p { margin-bottom: 0; font-size: 0.98rem; }

/* ---------- Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step {
  position: relative; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 22px 24px; transition: var(--transition);
}
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step__num {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--tech-grad);
  color: #fff; font-weight: 800; display: grid; place-items: center; margin-bottom: 16px;
  font-size: 1.05rem; font-family: var(--font-mono);
  box-shadow: 0 4px 14px rgba(34,211,238,0.3);
}
.step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { font-size: 0.94rem; margin-bottom: 0; }

/* ---------- Detailed process list ---------- */
.process-list { max-width: 880px; margin: 0 auto; }
.process-item { display: flex; gap: 22px; align-items: flex-start; padding: 24px 0; border-bottom: 1px dashed var(--border); }
.process-item:last-child { border-bottom: none; }
.process-item .step__num { flex: none; }
.process-item h3 { margin-bottom: 6px; }
.process-item p { margin-bottom: 0; }

/* ---------- Article detail ---------- */
.article-head { max-width: 820px; margin: 0 auto 40px; }
.article-head h1 { margin-bottom: 16px; }
.article-head .article-meta { font-size: 0.9rem; }
.article-body { max-width: 820px; margin: 0 auto; }
.article-body h2 { margin-top: 1.8em; font-size: 1.5rem; }
.article-body h3 { margin-top: 1.5em; }
.article-body img { border-radius: var(--radius); margin: 28px 0; }
.article-body blockquote {
  margin: 24px 0; padding: 16px 24px; border-left: 4px solid var(--primary);
  background: var(--bg-alt); border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--ink); font-weight: 500;
}

/* ---------- Media / image frame ---------- */
.media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.media img { width: 100%; height: 100%; object-fit: cover; }
.ratio-16-9 { aspect-ratio: 16/9; }
.ratio-4-3 { aspect-ratio: 4/3; }
.ratio-3-2 { aspect-ratio: 3/2; }

/* ---------- Two-column text + media ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split__list { list-style: none; padding: 0; }
.split__list li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.split__list svg { flex: none; width: 22px; height: 22px; color: var(--primary); margin-top: 2px; }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-size: 0.86rem; color: var(--muted); padding: 18px 0; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: #B7C6C1; }
.breadcrumbs a { color: var(--primary); }

/* ---------- Page hero (subpages) ---------- */
.page-hero { background: linear-gradient(150deg, #0B3B2E, #0E7A5F); color: #fff; padding: 64px 0; }
.page-hero h1 { color: #fff; margin-bottom: 10px; max-width: 22ch; text-wrap: balance; }
.page-hero p { color: #D6E9E2; max-width: 680px; margin: 0; font-size: 1.1rem; text-wrap: pretty; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(140deg, var(--accent) 0%, #F7B733 100%);
  color: #3A2500; border-radius: var(--radius-lg); padding: 52px; text-align: center;
}
.cta-band h2 { color: #2E1E00; }
.cta-band p { color: #5C3E06; max-width: 620px; margin: 0 auto 24px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; background: #fff; overflow: hidden; }
.faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 24px; font-size: 1.02rem; font-weight: 600; color: var(--ink);
  text-align: left; font-family: inherit;
}
.faq-q:hover { color: var(--primary); }
.faq-q .icon { flex: none; width: 22px; height: 22px; color: var(--primary); transition: var(--transition); }
.faq-item.is-open .faq-q .icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-a-inner { padding: 0 24px 22px; color: var(--body); }

/* ---------- Forms ---------- */
.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 0.92rem; color: var(--ink); }
.field label span { color: #E11D48; }
.field input, .field select, .field textarea {
  font: inherit; padding: 12px 14px; border: 1px solid var(--border); border-radius: 9px;
  background: #FBFDFC; color: var(--ink); width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14,122,95,0.12);
  background: #fff;
}
.field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 0.85rem; color: var(--muted); }

/* Contact info list */
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--border); }
.contact-list li:last-child { border-bottom: none; }
.contact-list svg { flex: none; width: 22px; height: 22px; color: var(--primary); margin-top: 3px; }
.contact-list strong { display: block; color: var(--ink); }
.contact-list a { color: var(--primary); white-space: nowrap; }

/* ---------- Article list ---------- */
.article-card { display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: start; }
.article-card__media img { border-radius: var(--radius); aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.article-meta { font-size: 0.85rem; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }
.article-meta span { display: inline-flex; align-items: center; gap: 5px; }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--border); }
th { background: var(--bg-alt); color: var(--ink); font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #FAFDFC; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-dark); color: #B8CCC5; font-size: 0.94rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1.1fr; gap: 32px; padding: 64px 0 48px; }
.site-footer h2.footer-heading { color: #fff; font-size: 1rem; margin-bottom: 18px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer a { color: #B8CCC5; }
.site-footer a:hover { color: #fff; }
.site-footer .logo { color: #fff; margin-bottom: 14px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact li a { white-space: nowrap; }
.footer-contact svg { flex: none; width: 18px; height: 18px; color: var(--accent); margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 0; font-size: 0.84rem; color: #8FA69E; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-slogan { color: #CFF6FF; font-weight: 600; letter-spacing: 0.02em; margin-inline: auto; }
.footer-slogan::before { content: "// "; color: var(--cyan); font-family: var(--font-mono); }

/* ---------- Skip link ---------- */
.skip-link { position: absolute; left: -999px; top: 0; background: var(--accent); color: #3A2500; padding: 10px 18px; z-index: 200; border-radius: 0 0 8px 0; font-weight: 700; }
.skip-link:focus { left: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 36px; padding: 56px 0 64px; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .article-card { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .nav-toggle { display: grid; }
  .nav-cta { display: none; }
  .nav-mobile-cta { display: block; padding: 6px 20px 18px; }
  .nav-mobile-cta .btn { width: 100%; justify-content: center; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  }
  .site-nav.is-open { max-height: 80vh; overflow-y: auto; }
  .site-nav ul { flex-direction: column; padding: 12px 20px 20px; gap: 2px; }
  .site-nav a { padding: 12px 10px; font-size: 1rem; }
  .dropdown {
    position: static; min-width: 0; max-width: none; opacity: 1; visibility: visible;
    transform: none; box-shadow: none; border: none; padding: 0 0 0 16px;
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  }
  .site-nav li.has-dropdown.is-open .dropdown { max-height: 400px; }
  .site-nav li.has-dropdown > a::after { transform: rotate(45deg) translateY(-2px); }
  .site-nav li.has-dropdown.is-open > a::after { transform: rotate(225deg) translateY(-2px); }
  .dropdown a { font-size: 0.95rem; padding: 10px 12px; }
}
@media (max-width: 768px) {
  .section { padding: 52px 0; }
  .nav-wrap { height: 76px; }
  .logo { font-size: 1.28rem; }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero__chip { display: none; }
}

/* ---------- Conversion & content enhancements ---------- */
.section--compact { padding: 52px 0; }
.section-head--left { margin-left: 0; text-align: left; }

/* Quick-link cards (category entry points) */
.quick-links-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.quick-link-card {
  display: flex; flex-direction: column; gap: 4px;
  padding: 18px 20px; border: 1px solid var(--border, #E3EDE9);
  border-radius: 12px; background: #fff; color: var(--ink);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.quick-link-card:hover { border-color: var(--brand, #0E7A5F); box-shadow: 0 6px 18px rgba(14,122,95,.12); transform: translateY(-2px); }
.quick-link-card strong { font-size: 1.02rem; }
.quick-link-card span { color: var(--muted, #5A6B66); font-size: 0.9rem; }
@media (max-width: 560px) { .quick-links-grid { grid-template-columns: 1fr; } }
.nowrap-title { white-space: nowrap; text-wrap: none; }
@media (max-width: 640px) {
  .nowrap-title { font-size: clamp(1.3rem, 6vw, 1.8rem); white-space: normal; text-wrap: balance; }
}
.hero p.hero__note { margin: 16px 0 0; font-size: 0.86rem; color: #BFD9D0; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; line-height: 1.4; }
.text-link span { transition: transform var(--transition); }
.text-link:hover span { transform: translateX(3px); }
.decision-card { display: flex; flex-direction: column; align-items: flex-start; }
.decision-card p { flex: 1; }
.decision-card__label { display: inline-block; margin-bottom: 14px; color: var(--primary); font-size: 0.82rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; }
.product-card { padding: 0 0 24px; overflow: hidden; display: flex; flex-direction: column; align-items: flex-start; }
.product-card__media { display: block; width: 100%; aspect-ratio: 16/9; overflow: hidden; margin-bottom: 20px; background: var(--bg-alt); }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
.product-card:hover .product-card__media img { transform: scale(1.025); }
.product-card h3, .product-card p, .product-card > .text-link { margin-left: 24px; margin-right: 24px; }
.product-card p { flex: 1; }
.product-card__tag {
  position: absolute; top: 14px; left: 14px;
  background: rgba(14,122,95,0.92); color: #fff;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 5px 11px; border-radius: 999px; text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18); z-index: 2;
}
.product-card__media { position: relative; }
.quote-panel { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; padding: 48px; border-radius: var(--radius-lg); background: var(--bg-dark); color: #D8E5E0; }
.quote-panel h2 { color: #fff; }
.quote-panel .eyebrow { color: var(--cyan-soft); }
.quote-panel .btn--outline { color: #fff; border-color: #9FC9BA; }
.quote-panel .btn--outline:hover { color: var(--primary-deep); background: #fff; border-color: #fff; }
.quote-checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; counter-reset: quote; }
.quote-checklist li { position: relative; padding: 16px 18px 16px 56px; border: 1px solid rgba(255,255,255,0.15); border-radius: 10px; background: rgba(255,255,255,0.06); counter-increment: quote; }
.quote-checklist li::before { content: counter(quote); position: absolute; left: 16px; top: 17px; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color: #3A2500; font-weight: 800; }
.quote-checklist strong, .quote-checklist span { display: block; }
.quote-checklist strong { color: #fff; }
.quote-checklist span { font-size: 0.9rem; color: #C7DBD4; }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.form-status { margin: 12px 0 0; font-size: 0.92rem; color: var(--primary-deep); }
.form-status.is-error { color: #B42318; }
.field input[aria-invalid="true"], .field select[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #D92D20; }

/* ---------- Success modal ---------- */
.success-modal {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background: rgba(20, 51, 43, 0.55);
  backdrop-filter: blur(3px);
  animation: modalFadeIn 0.22s ease;
}
.success-modal__card {
  width: 100%; max-width: 460px;
  background: #fff; border-radius: 16px;
  padding: 32px 30px 28px; text-align: center;
  box-shadow: 0 24px 60px rgba(0,0,0,0.22);
  animation: modalPop 0.26s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
.success-modal__icon {
  width: 60px; height: 60px; margin: 0 auto 18px;
  border-radius: 50%; background: #E2F2EC; color: #0E7A5F;
  display: grid; place-items: center;
}
.success-modal__icon svg { width: 30px; height: 30px; }
.success-modal__title {
  margin: 0 0 10px; font-size: 1.35rem; font-weight: 700; color: #14332B; line-height: 1.25;
}
.success-modal__text { margin: 0 0 12px; font-size: 0.98rem; color: #3D524B; line-height: 1.55; }
.success-modal__text strong { color: #14332B; }
.success-modal__hint { margin: 0 0 22px; font-size: 0.86rem; color: #6B7C76; line-height: 1.5; }
.success-modal__hint a { color: #0E7A5F; text-decoration: none; border-bottom: 1px solid rgba(14,122,95,0.35); }
.success-modal__hint a:hover { border-bottom-color: #0E7A5F; }
.success-modal__close { width: 100%; }
@keyframes modalFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalPop { from { opacity: 0; transform: translateY(14px) scale(0.96); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* ---------- File / drawings guidance ---------- */
.field .optional { font-weight: 400; color: var(--muted, #6B7C76); font-size: 0.85rem; }
.file-drop {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 26px 22px; border: 1px solid var(--border, #D4E0DC); border-radius: 12px;
  background: var(--bg-alt, #F5FAF8); text-align: center;
}
.file-drop svg { width: 30px; height: 30px; color: var(--primary, #0E7A5F); }
.file-drop__text { margin: 0; font-weight: 500; color: var(--heading, #12322A); font-size: 0.98rem; }
.file-drop__text a { color: var(--primary, #0E7A5F); text-decoration: none; border-bottom: 1px solid rgba(14,122,95,0.35); }
.file-drop__text a:hover { border-bottom-color: var(--primary, #0E7A5F); }
.file-drop__hint { margin: 0 0 6px; font-size: 0.84rem; color: var(--muted, #6B7C76); }
.file-drop .btn { margin-top: 4px; }

.mobile-contact-bar { display: none; }

@media (max-width: 760px) {
  .quote-panel { grid-template-columns: 1fr; gap: 28px; padding: 32px 22px; }
  .section-head--left { text-align: left; }
}
@media (max-width: 560px) {
  body { padding-bottom: 64px; }
  .mobile-contact-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 150; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: rgba(255,255,255,0.97); border-top: 1px solid var(--border); box-shadow: 0 -4px 20px rgba(12,43,35,0.1); }
  .mobile-contact-bar .btn { justify-content: center; padding: 12px 10px; font-size: 0.88rem; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .form-actions .btn { width: 100%; justify-content: center; }
  .product-card h3, .product-card p, .product-card > .text-link { margin-left: 20px; margin-right: 20px; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .nav-cta, .btn { display: none !important; }
  body { color: #000; }
}