/* =============================================================
   Shengtong New Materials - Industrial B2B Site Stylesheet
   Design: low-saturation blue-grey, industrial, load-speed first
   ============================================================= */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Brand palette - desaturated blue / grey */
  --brand-900: #16242f;
  --brand-800: #1d3141;
  --brand-700: #274357;
  --brand-600: #31576f;
  --brand-500: #3d6c88;
  --brand-400: #5a8aa6;
  --brand-100: #e6edf3;
  --brand-050: #f2f6f9;

  --accent: #2f6ea3;
  --accent-hover: #255a88;

  --ink: #1b2733;
  --ink-2: #3d4c5a;
  --muted: #6b7c8b;
  --line: #dde4ea;
  --line-strong: #c6d1da;

  --bg: #ffffff;
  --bg-soft: #f5f8fa;
  --bg-dark: #1b2b38;

  --wa: #25d366;
  --wa-dark: #1da851;

  --radius: 4px;
  --radius-lg: 6px;
  --shadow-sm: 0 1px 3px rgba(22, 36, 47, .07);
  --shadow: 0 4px 18px rgba(22, 36, 47, .09);
  --shadow-lg: 0 12px 40px rgba(22, 36, 47, .14);

  --wrap: 1200px;
  --nav-h: 64px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

/* ---------- 2. 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: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.25; color: var(--brand-900); font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.05rem); }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.15em; }
li { margin-bottom: .35em; }
strong { color: var(--brand-800); }

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

/* ---------- 3. Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.section { padding: 68px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 46px 0; }
.section--dark { background: var(--bg-dark); color: #cfdae3; }
.section--dark h2, .section--dark h3 { color: #fff; }
.grid { display: grid; gap: 24px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.section-head { max-width: 760px; margin: 0 auto 42px; text-align: center; }
.section-head p { color: var(--muted); font-size: 1.03rem; margin-bottom: 0; }
.eyebrow {
  display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.section--dark .eyebrow { color: #8fc0e0; }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; font-size: .95rem; font-weight: 600; line-height: 1;
  border-radius: var(--radius); border: 1px solid transparent; cursor: pointer;
  text-decoration: none !important; transition: background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-hover); }
.btn--outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn--outline:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.btn--ghost { background: transparent; color: var(--brand-700); border-color: var(--line-strong); }
.btn--ghost:hover { background: var(--brand-050); border-color: var(--brand-500); }
.btn--wa { background: var(--wa); color: #fff; }
.btn--wa:hover { background: var(--wa-dark); }
.btn--block { width: 100%; }
.btn--sm { padding: 9px 16px; font-size: .85rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-row--center { justify-content: center; }

/* ---------- 5. Top bar + navigation ---------- */
.topbar { background: var(--brand-900); color: #b9c8d4; font-size: .82rem; }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 38px; flex-wrap: wrap; }
.topbar a { color: #d5e2ec; }
.topbar__list { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.topbar__list span { display: inline-flex; align-items: center; gap: 6px; }
.topbar svg { width: 14px; height: 14px; fill: currentColor; flex: none; }

.nav { position: sticky; top: 0; z-index: 60; background: #fff; border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none !important; flex: none; }
.brand__mark {
  width: 38px; height: 38px; border-radius: var(--radius); background: var(--brand-700);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: .95rem; letter-spacing: -.02em;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-weight: 700; font-size: .98rem; color: var(--brand-900); }
.brand__tag { font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
/* real logo replaces the "ST" text badge */
.brand__mark { width: 44px; height: 44px; background: transparent; padding: 2px; }
.brand__mark img { width: 100%; height: 100%; object-fit: contain; display: block; }

.nav__menu { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav__menu a {
  display: block; padding: 9px 13px; font-size: .92rem; font-weight: 500; color: var(--ink-2);
  border-radius: var(--radius); text-decoration: none !important;
}
.nav__menu a:hover { color: var(--accent); background: var(--brand-050); }
.nav__menu a.is-active { color: var(--accent); }
.nav__cta { display: flex; align-items: center; gap: 10px; }
.nav__burger {
  display: none; width: 42px; height: 38px; background: none; border: 1px solid var(--line-strong);
  border-radius: var(--radius); cursor: pointer; padding: 0;
}
.nav__burger span { display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--brand-800); }

@media (max-width: 960px) {
  .nav__burger { display: block; }
  .nav__cta .btn { display: none; }
  .nav__menu {
    position: absolute; top: var(--nav-h); left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch;
    padding: 10px 20px 18px; gap: 2px; display: none; box-shadow: var(--shadow);
  }
  .nav__menu.is-open { display: flex; }
  .nav__menu a { padding: 12px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
}

/* Language switcher (top bar) */
.langswitch { display: inline-flex; gap: 3px; align-items: center; }
.langswitch a {
  font-size: .72rem; font-weight: 700; letter-spacing: .06em; color: #c9d9e6;
  padding: 3px 7px; border-radius: 3px; text-decoration: none !important; line-height: 1.4;
}
.langswitch a:hover { background: rgba(255,255,255,.14); color: #fff; }
.langswitch a.is-active { background: rgba(255,255,255,.22); color: #fff; }
.lang-tag {
  font-size: .58rem; font-weight: 700; letter-spacing: .06em; color: var(--muted);
  margin-left: 5px; vertical-align: super;
}
@media (max-width: 600px) { .langswitch a { padding: 3px 5px; font-size: .68rem; } }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative; color: #e7eef4; overflow: hidden;
  background: linear-gradient(135deg, var(--brand-900) 0%, var(--brand-700) 55%, var(--brand-600) 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .28;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 46px 46px;
}
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding-top: 66px; padding-bottom: 66px; }
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero__lead { font-size: 1.08rem; color: #cddbe7; max-width: 600px; margin-bottom: 26px; }
.hero__points { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 9px; }
.hero__points li { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; color: #dce7ef; margin: 0; }
.hero__points svg { width: 17px; height: 17px; flex: none; margin-top: 3px; fill: #7fb6d8; }
.hero__figure { margin: 0; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22); color: #eaf2f8; font-size: .78rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; padding: 7px 14px; border-radius: 100px; margin-bottom: 20px;
}
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: 46px; padding-bottom: 46px; gap: 34px; }
}

/* ---------- 7. Image placeholder ---------- */
.ph {
  position: relative; display: grid; place-items: center; text-align: center; overflow: hidden;
  background-color: var(--brand-100);
  background-image: repeating-linear-gradient(45deg, rgba(49,87,111,.055) 0 12px, transparent 12px 24px);
  border: 1px dashed var(--line-strong); border-radius: var(--radius-lg);
  color: var(--brand-600); padding: 22px; min-height: 180px;
}
.ph__inner { display: grid; gap: 7px; justify-items: center; }
.ph__icon { width: 34px; height: 34px; fill: var(--brand-400); opacity: .85; }
.ph__title { font-size: .86rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--brand-700); }
.ph__note { font-size: .76rem; color: var(--muted); max-width: 34ch; line-height: 1.45; }
.ph--hero { min-height: 330px; border-radius: var(--radius-lg); background-color: rgba(255,255,255,.07); border-color: rgba(255,255,255,.28); color: #cfe0ec; }
.ph--hero .ph__title { color: #eaf3fa; }
.ph--hero .ph__note { color: #a9c3d6; }
.ph--hero .ph__icon { fill: #7fb6d8; }
.ph--tall { min-height: 300px; }
.ph--short { min-height: 130px; }
.ph--square { aspect-ratio: 4 / 3; }
.ph--doc { aspect-ratio: 3 / 4; min-height: 0; }

/* ---------- 7b. Real photos (replaces the placeholders) ---------- */
.pic {
  position: relative; margin: 0; overflow: hidden; line-height: 0;
  background: var(--brand-050); border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.pic img { display: block; width: 100%; height: 100%; object-fit: cover; }
.pic figcaption {
  line-height: 1.5; font-size: .8rem; color: var(--muted);
  padding: 11px 14px; background: #fff; border-top: 1px solid var(--line);
}

.pic--square { aspect-ratio: 4 / 3; }
.pic--tall { aspect-ratio: 4 / 3; }
.pic--short { aspect-ratio: 21 / 9; }
.pic--wide { aspect-ratio: 16 / 9; }
.pic--hero { aspect-ratio: 16 / 10; border-color: rgba(255,255,255,.18); box-shadow: 0 22px 48px rgba(6,18,28,.38); }
.pic--doc { aspect-ratio: 3 / 4; }
.pic--doc img { object-fit: contain; background: #fff; }
.pic--patent { aspect-ratio: 3 / 4; }
.pic--patent img { object-fit: contain; background: #fff; }
/* certificate / patent thumbnails: white documents, no crop */
.pic--doc, .pic--patent { padding: 0; }

/* two-up gallery used on the about page */
.pic-stack { display: grid; gap: 20px; }

/* side-by-side thumbnails (certificates, reports) */
.pic-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pic-row--3 { grid-template-columns: repeat(3, 1fr); }
.pic-row--4 { grid-template-columns: repeat(4, 1fr); }
.pic-row--6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 900px) {
  .pic-row--4 { grid-template-columns: 1fr 1fr; }
  .pic-row--6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 620px) { .pic-row--3 { grid-template-columns: 1fr 1fr; } }

/* a linked thumbnail must not inherit link styling */
a.pic { color: inherit; text-decoration: none; display: block; }
a.pic:hover { border-color: var(--brand-500); box-shadow: var(--shadow); }

/* inside a card the photo runs edge to edge and squares off */
.appcard > .pic, .pcard > .pic {
  border: 0; border-radius: 0; border-bottom: 1px solid var(--line);
}

/* ---------- 8. Stat strip ---------- */
.stats { background: var(--brand-050); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 26px 18px; text-align: center; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat__num { display: block; font-size: 1.6rem; font-weight: 800; color: var(--brand-700); line-height: 1.1; }
.stat__label { display: block; font-size: .82rem; color: var(--muted); margin-top: 4px; }
@media (max-width: 760px) {
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- 9. Cards ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px; transition: box-shadow .2s ease, border-color .2s ease;
}
.card:hover { box-shadow: var(--shadow); border-color: var(--line-strong); }
.card__icon { width: 42px; height: 42px; border-radius: var(--radius); background: var(--brand-050); display: grid; place-items: center; margin-bottom: 15px; }
.card__icon svg { width: 22px; height: 22px; fill: var(--brand-600); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: .93rem; }
.card__num {
  font-size: .74rem; font-weight: 800; letter-spacing: .1em; color: var(--brand-400);
  display: block; margin-bottom: 8px;
}

/* Product card */
.pcard { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.pcard:hover { box-shadow: var(--shadow); border-color: var(--line-strong); }
.pcard__media { border: 0; border-radius: 0; border-bottom: 1px solid var(--line); }
.pcard__body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.pcard__body h3 { margin-bottom: 6px; font-size: 1.08rem; }
.pcard__body > p { color: var(--ink-2); font-size: .92rem; }
.spec { list-style: none; padding: 0; margin: 0 0 16px; font-size: .86rem; display: grid; gap: 6px; }
.spec li { display: grid; grid-template-columns: 108px 1fr; gap: 10px; margin: 0; padding-bottom: 6px; border-bottom: 1px dotted var(--line); }
.spec li:last-child { border-bottom: 0; }
.spec dt, .spec .k { color: var(--muted); font-weight: 600; }
.spec .v { color: var(--ink); }
.pcard__foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); display: flex; gap: 10px; flex-wrap: wrap; }
.pcard__foot .btn { flex: 1; min-width: 130px; }

/* Application card */
.appcard { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.appcard__body { padding: 24px; }
.appcard__body h3 { margin-bottom: 8px; }
.appcard__body p { color: var(--ink-2); font-size: .93rem; }
.taglist { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-wrap: wrap; gap: 7px; }
.taglist li {
  margin: 0; font-size: .76rem; font-weight: 600; color: var(--brand-700);
  background: var(--brand-050); border: 1px solid var(--line); border-radius: 100px; padding: 4px 11px;
}

/* Test report cover front (certificates page) */
.doccover {
  background: linear-gradient(135deg, var(--brand-800), var(--brand-600));
  color: #dbe7f0; padding: 22px 20px; display: grid; gap: 6px; align-content: start;
  min-height: 138px; border-bottom: 1px solid var(--brand-500);
}
.doccover__lab { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: #8fc0e0; font-weight: 700; }
.doccover__title { font-size: 1.04rem; font-weight: 700; color: #fff; line-height: 1.3; }
.doccover__no { font-size: .76rem; color: #a8c2d6; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.doccover__pass {
  justify-self: start; margin-top: 4px; background: #2f7d55; color: #fff; font-size: .7rem;
  font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 3px 11px; border-radius: 100px;
}
.doccover__nd {
  justify-self: start; margin-top: 4px; background: #2c4c64; color: #dbe7f0; border: 1px solid #4d7591;
  font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 3px 11px; border-radius: 100px;
}

/* Certificate card */
.certcard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; }
.certcard__body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.certcard h3 { font-size: 1.02rem; margin-bottom: 6px; }
.certcard p { font-size: .89rem; color: var(--ink-2); }
.certcard__meta { font-size: .78rem; color: var(--muted); margin-top: auto; padding-top: 12px; }

/* ---------- 10. Feature / advantage list ---------- */
.adv { display: grid; gap: 18px; }
.adv__item { display: grid; grid-template-columns: 42px 1fr; gap: 16px; align-items: start; }
.adv__num {
  width: 42px; height: 42px; border-radius: 50%; background: var(--brand-700); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: .95rem;
}
.adv__item h3 { margin-bottom: 5px; font-size: 1.03rem; }
.adv__item p { margin: 0; color: var(--ink-2); font-size: .93rem; }

.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; margin: 0; font-size: .94rem; color: var(--ink-2); }
.checklist svg { width: 18px; height: 18px; flex: none; margin-top: 3px; fill: var(--accent); }
.section--dark .checklist li { color: #cfdae3; }
.section--dark .checklist svg { fill: #7fb6d8; }

/* ---------- 11. Page header (inner pages) ---------- */
.pagehead {
  background: linear-gradient(135deg, var(--brand-900), var(--brand-700));
  color: #dbe6ee; padding: 46px 0 46px; position: relative; overflow: hidden;
}
.pagehead::after {
  content: ""; position: absolute; inset: 0; opacity: .25; pointer-events: none;
  background-image: linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 46px 46px;
}
.pagehead .wrap { position: relative; z-index: 1; }
.pagehead h1 { color: #fff; margin-bottom: 10px; }
.pagehead p { color: #c3d3e0; max-width: 720px; margin-bottom: 0; font-size: 1.03rem; }

/* Breadcrumb */
.crumb { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0 0 14px; font-size: .8rem; color: #9db3c5; }
.crumb li { margin: 0; }
.crumb a { color: #b9cbd9; }
.crumb li + li::before { content: "/"; margin-right: 8px; color: #6f8799; }

/* ---------- 12. Forms ---------- */
.form { display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-size: .82rem; font-weight: 600; color: var(--brand-800); }
.field label .req { color: #c0502e; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: .93rem; color: var(--ink); background: #fff;
  border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 11px 13px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47,110,163,.12);
}
.field textarea { min-height: 118px; resize: vertical; }
.field__hint { font-size: .76rem; color: var(--muted); }
.form__note { font-size: .78rem; color: var(--muted); margin: 0; }
.form__ok {
  display: none; background: #e8f5ed; border: 1px solid #b7ddc7; color: #1c6b3f;
  border-radius: var(--radius); padding: 16px 18px; font-size: .92rem;
}
.form__ok.is-visible { display: block; }
.form__ok h4 { color: #1c6b3f; margin-bottom: 4px; }
.form__ok p:last-child { margin-bottom: 0; }
.form__err { display: none; color: #a8331b; font-size: .82rem; }
.form__err.is-visible { display: block; }

.inquiry { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); }
.inquiry--dark { background: var(--brand-800); border-color: var(--brand-700); color: #d3e0ea; }
.inquiry--dark h2, .inquiry--dark h3 { color: #fff; }
.inquiry--dark .field label { color: #cfe0ec; }
.inquiry--dark .field input, .inquiry--dark .field select, .inquiry--dark .field textarea {
  background: #243a4c; border-color: #3a5568; color: #eaf2f8;
}
.inquiry--dark .field input::placeholder, .inquiry--dark .field textarea::placeholder { color: #7e97a9; }
.inquiry--dark .form__note { color: #9db4c6; }

/* ---------- 13. FAQ ---------- */
.faq { display: grid; gap: 10px; max-width: 900px; margin: 0 auto; }
.faq__item { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.faq__q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer; font: inherit;
  font-weight: 600; font-size: .98rem; color: var(--brand-800); padding: 16px 46px 16px 18px;
  position: relative;
}
.faq__q::after {
  content: ""; position: absolute; right: 18px; top: 50%; width: 9px; height: 9px;
  border-right: 2px solid var(--brand-500); border-bottom: 2px solid var(--brand-500);
  transform: translateY(-70%) rotate(45deg); transition: transform .2s ease;
}
.faq__item.is-open .faq__q::after { transform: translateY(-30%) rotate(225deg); }
.faq__a { display: none; padding: 0 18px 18px; font-size: .93rem; color: var(--ink-2); }
.faq__a p:last-child { margin-bottom: 0; }
.faq__item.is-open .faq__a { display: block; }

/* ---------- 14. Table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 620px; }
th, td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--brand-050); font-weight: 700; color: var(--brand-800); font-size: .84rem; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fafcfe; }

/* ---------- 15. CTA band ---------- */
.ctaband {
  background: linear-gradient(135deg, var(--brand-800), var(--brand-600));
  color: #dbe7f0; padding: 54px 0;
}
.ctaband h2 { color: #fff; }
.ctaband p { color: #c3d4e1; max-width: 640px; }
.ctaband .wrap { display: grid; grid-template-columns: 1.3fr auto; gap: 28px; align-items: center; }
@media (max-width: 860px) { .ctaband .wrap { grid-template-columns: 1fr; } }

/* ---------- 16. Footer ---------- */
.footer { background: var(--brand-900); color: #a9bccb; font-size: .89rem; padding: 54px 0 0; }
.footer h4 { color: #fff; font-size: .84rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 14px; }
.footer a { color: #bcd0de; }
.footer a:hover { color: #fff; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 34px; padding-bottom: 34px; }
.footer__about p { color: #9db2c2; }
.footer__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.footer__list li { margin: 0; }
.footer__contact { display: grid; gap: 12px; }
.footer__contact a { display: inline-flex; align-items: center; gap: 9px; }
.footer__contact svg { width: 16px; height: 16px; fill: currentColor; flex: none; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; font-size: .81rem; color: #8198aa;
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer__grid { grid-template-columns: 1fr; gap: 26px; } }

/* ---------- 17. Floating WhatsApp + mobile bar ---------- */
.wafloat {
  position: fixed; right: 20px; bottom: 20px; z-index: 90; display: flex; align-items: center;
  gap: 9px; background: var(--wa); color: #fff; font-weight: 600; font-size: .9rem;
  padding: 13px 20px; border-radius: 100px; box-shadow: var(--shadow-lg); text-decoration: none !important;
}
.wafloat:hover { background: var(--wa-dark); }
.wafloat svg { width: 21px; height: 21px; fill: #fff; flex: none; }
.wafloat__pulse {
  position: absolute; inset: 0; border-radius: 100px; border: 2px solid var(--wa);
  opacity: 0; pointer-events: none;
}
@media (max-width: 720px) {
  .wafloat { right: 14px; bottom: 78px; padding: 11px 17px; font-size: .85rem; }
}
.mobbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 88; display: none;
  background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -2px 12px rgba(22,36,47,.08);
}
.mobbar .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 10px 16px; }
.mobbar .btn { padding: 11px 10px; font-size: .88rem; }
@media (max-width: 720px) { .mobbar { display: block; } body { padding-bottom: 62px; } }

/* ---------- 18. Modal ---------- */
.modal { position: fixed; inset: 0; z-index: 120; display: none; align-items: center; justify-content: center; padding: 18px; }
.modal.is-open { display: flex; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(18,30,40,.62); }
.modal__panel {
  position: relative; background: #fff; border-radius: var(--radius-lg); width: 100%; max-width: 560px;
  max-height: 90vh; overflow-y: auto; padding: 28px; box-shadow: var(--shadow-lg);
}
.modal__close {
  position: absolute; top: 12px; right: 12px; width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--line); background: #fff; cursor: pointer; font-size: 1.1rem; line-height: 1; color: var(--ink-2);
}
.modal__close:hover { background: var(--bg-soft); }
.modal__panel h3 { padding-right: 34px; }
.modal__panel .field { margin-bottom: 14px; }

/* ---------- 19. Responsive grids ---------- */
@media (max-width: 980px) {
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .g-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .g-4, .g-3, .g-2 { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .inquiry { padding: 22px; }
}

/* ---------- 20. Utility ---------- */
.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;
}
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }
.note {
  background: var(--brand-050); border-left: 3px solid var(--brand-500); border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px; font-size: .88rem; color: var(--ink-2);
}
.note p:last-child { margin-bottom: 0; }