/* =========================================================
   Shenzhen Taile Air Conditioning — Corporate Site
   Design system: industrial navy structure + brand-orange accent
   (accent sampled from the CNZTL logo: #E43C00)
   ========================================================= */

:root {
  --c-primary: #10315B;      /* deep corporate navy — Carrier/TICA family */
  --c-primary-d: #0B2140;    /* darker navy */
  --c-accent: #E04A12;       /* BRAND ORANGE — CNZTL logo #E43C00 */
  --c-accent-d: #C23E0E;     /* darker orange — hover */
  --c-warm: #F7A81B;         /* warm amber highlight */
  --c-cyan: #FFB020;         /* amber highlight (on navy surfaces) */
  --c-ink: #17273B;          /* deep blue-gray text */
  --c-muted: #5A6B80;        /* muted blue-gray */
  --c-bg: #FFFFFF;
  --c-soft: #F5F8FB;         /* cool light section bg */
  --c-soft-2: #EAF0F6;       /* cool light blue */
  --c-line: #E3EAF2;         /* cool hairline */
  --c-footer: #0A1B30;

  --shadow-sm: 0 2px 8px rgba(16, 49, 91, .07);
  --shadow-md: 0 10px 30px rgba(16, 49, 91, .12);
  --shadow-lg: 0 20px 50px rgba(16, 49, 91, .16);

  --radius: 14px;
  --radius-sm: 10px;
  --container: 1200px;
  --gap: 24px;

  --font: "Inter", "Helvetica Neue", "PingFang SC", "Microsoft YaHei",
          system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

/* Image placeholder — reserves layout space until real photos are supplied */
.img-placeholder {
  display: flex; align-items: center; justify-content: center;
  width: 100%; border-radius: 14px;
  background: repeating-linear-gradient(45deg, #F4F8FD 0 14px, #E8F1FC 14px 28px);
  border: 1.5px dashed #C3D6EE; color: #7A94B8; overflow: hidden;
}
.hero__visual .img-placeholder { height: 280px; }
.split__media  .img-placeholder { height: 420px; }
.img-placeholder .ph-inner { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.img-placeholder .ph-icon { width: 40px; height: 40px; opacity: .65; }
.img-placeholder .ph-text { font-size: 13px; letter-spacing: .04em; font-weight: 600; }
@media (max-width: 768px) {
  .hero__visual .img-placeholder { height: 220px; }
  .split__media  .img-placeholder { height: 300px; }
}

/* ---------- Bilingual display: EN primary + ZH secondary ---------- */
.lng-zh {
  display: inline;
  margin-left: .5em;
  font-size: .82em;
  font-weight: 500;
  color: var(--c-muted, #6b8199);
  letter-spacing: .01em;
}
.lng-en { display: inline; }

/* Headings: put the Chinese on its own line so long titles wrap cleanly
   instead of leaving an orphan character on line 2 */
h1 .lng-zh, h2 .lng-zh, h3 .lng-zh, h4 .lng-zh {
  display: block;
  margin-left: 0;
  margin-top: .16em;
  font-size: .56em;
  font-weight: 600;
  line-height: 1.35;
}

/* Secondary language on dark surfaces must be light, not muted gray */
.hero .lng-zh { color: rgba(255,255,255,.72); }
.hero__badge .lng-zh { color: #3D1D00; opacity: .82; }
.section--blue .lng-zh { color: rgba(255,255,255,.72); }
.site-footer .lng-zh { color: rgba(255,255,255,.72); }
.btn .lng-zh { color: inherit; opacity: .78; }

[data-lang="en"] .lng-zh { display: none; }
[data-lang="zh"] .lng-en { display: none; }
[data-lang="zh"] .lng-zh { margin-left: 0; font-size: 1em; font-weight: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; color: var(--c-ink); margin: 0 0 .5em; }
h1 { font-size: clamp(30px, 4.6vw, 52px); letter-spacing: -.5px; }
h2 { font-size: clamp(26px, 3.2vw, 38px); letter-spacing: -.4px; }
h3 { font-size: clamp(18px, 2vw, 22px); }
p { margin: 0 0 1em; color: var(--c-muted); }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 14px;
}

.section { padding: 88px 0; }
.section--soft { background: var(--c-soft); }
.section--blue {
  background: linear-gradient(135deg, #0B2140 0%, #10315B 55%, #16406F 100%);
  color: #fff;
}
.section--blue h2, .section--blue h3 { color: #fff; }
.section--blue p { color: rgba(255,255,255,.82); }

.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head p { font-size: 17px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all .22s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--c-accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--c-accent-d); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--outline { background: #fff; color: var(--c-primary); border-color: var(--c-line); }
.btn--outline:hover { border-color: var(--c-accent); color: var(--c-accent); transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 18px;
  box-shadow: var(--shadow-sm);
}
.brand__name { font-weight: 800; font-size: 17px; color: var(--c-ink); letter-spacing: -.2px; }
.brand__name small { display: block; font-weight: 500; font-size: 11px; color: var(--c-muted); letter-spacing: .5px; }

.nav__links { display: flex; align-items: center; gap: 6px; }
.nav__links a {
  padding: 9px 16px; border-radius: 999px; font-weight: 600; font-size: 15px;
  color: var(--c-ink); transition: background .2s, color .2s;
}
.nav__links a:hover { background: var(--c-soft-2); color: var(--c-primary); }
.nav__links a.active { background: var(--c-primary); color: #fff; }

.nav__right { display: flex; align-items: center; gap: 14px; }

/* language switch */
.lang-switch { display: inline-flex; background: var(--c-soft); border-radius: 999px; padding: 3px; border: 1px solid var(--c-line); }
.lang-switch button {
  border: 0; background: transparent; cursor: pointer;
  padding: 6px 14px; border-radius: 999px; font-weight: 700; font-size: 13px;
  color: var(--c-muted); font-family: var(--font); transition: all .2s;
}
.lang-switch button.active { background: #fff; color: var(--c-primary); box-shadow: var(--shadow-sm); }
.lang-switch select.lang-select {
  appearance: none; -webkit-appearance: none; border: 0; background: transparent; cursor: pointer;
  padding: 6px 30px 6px 16px; border-radius: 999px; font-weight: 700; font-size: 13px;
  color: var(--c-primary); font-family: var(--font); max-width: 190px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2310315B' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center;
}
.lang-switch select.lang-select:focus { outline: 2px solid var(--c-accent); outline-offset: 1px; }

/* app tile labels: bilingual stacked cleanly, never clipped */
.app-card__label .lng-en, .app-card__label .lng-zh { display: block; }
.app-card__label .lng-zh { margin-left: 0; margin-top: 3px; font-size: 12.5px; font-weight: 600; opacity: .92; color: rgba(255,255,255,.85); }
.app-card__label { padding-bottom: 18px; }

/* basic RTL support (Arabic) */
[dir="rtl"] .lng-zh, [dir="rtl"] .lng-en { margin-left: 0; margin-right: .5em; }
[dir="rtl"] .hero__stats, [dir="rtl"] .footer-grid, [dir="rtl"] .nav { text-align: right; }
[dir="rtl"] .check li { flex-direction: row-reverse; }
[dir="rtl"] .lang-switch select.lang-select { padding: 6px 16px 6px 30px; background-position: left 13px center; }

.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--c-ink); margin: 5px 0; border-radius: 2px; transition: .3s; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  background: linear-gradient(118deg, #0B2140 0%, #10315B 52%, #16406F 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 88% -10%, rgba(228,60,0,.16), transparent 62%),
    radial-gradient(760px 520px at 6% 112%, rgba(38,108,199,.28), transparent 58%);
  pointer-events: none;
}
.hero__grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center;
  padding: 96px 0 104px;
}
.hero__title { color: #fff; font-size: clamp(32px, 4.6vw, 56px); margin-bottom: 20px; }
.hero__title .accent { color: var(--c-cyan); }
.hero__sub { font-size: 19px; color: rgba(255,255,255,.9); font-weight: 600; margin-bottom: 18px; }
.hero__desc { color: rgba(255,255,255,.82); font-size: 16px; max-width: 560px; margin-bottom: 32px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats { display: flex; gap: 36px; margin-top: 44px; flex-wrap: wrap; }
.hero__stats .num { font-size: 30px; font-weight: 800; color: #fff; }
.hero__stats .lbl { font-size: 13px; color: rgba(255,255,255,.7); }

/* hero visual card */
.hero__visual {
  position: relative;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 20px;
  padding: 26px;
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow-lg);
}
.hero__visual img { width: 100%; border-radius: 14px; object-fit: cover; height: 280px; }
.hero__badge {
  position: absolute; top: -16px; left: 24px;
  background: var(--c-cyan); color: #3D1D00; font-weight: 800; font-size: 13px;
  padding: 8px 16px; border-radius: 999px; box-shadow: var(--shadow-md);
}
.hero__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.hero__chips span {
  font-size: 12px; font-weight: 600; color: #fff;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  padding: 6px 12px; border-radius: 999px;
}

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: var(--gap); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--c-accent); }

.feature {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow-sm); transition: all .25s;
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.feature__icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: var(--c-soft-2); color: var(--c-primary); margin-bottom: 18px;
}
.feature__icon svg { width: 28px; height: 28px; }
.feature h3 { font-size: 18px; margin-bottom: 8px; }
.feature p { font-size: 14.5px; margin: 0; }

/* product card */
.pcard {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm); transition: all .25s; position: relative; overflow: hidden;
}
.pcard::before {
  content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.pcard:hover::before { transform: scaleX(1); }
.pcard__icon { color: var(--c-accent); margin-bottom: 16px; }
.pcard__icon svg { width: 34px; height: 34px; }
.pcard h3 { font-size: 18px; margin-bottom: 10px; }
.pcard p { font-size: 14.5px; margin-bottom: 14px; }
.pcard__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.pcard__tags span { font-size: 12px; color: var(--c-primary); background: var(--c-soft-2); padding: 4px 10px; border-radius: 6px; }

/* ---------- Stats band ---------- */
.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-band .num { font-size: clamp(32px, 4vw, 46px); font-weight: 800; color: var(--c-accent); }
.stat-band .lbl { color: var(--c-muted); font-size: 14px; }

/* ---------- Certifications ---------- */
.cert-list { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.cert-list .cert {
  background: #fff; border: 1px solid var(--c-line); border-radius: 999px;
  padding: 10px 20px; font-size: 14px; font-weight: 600; color: var(--c-ink);
  box-shadow: var(--shadow-sm); display: inline-flex; align-items: center; gap: 8px;
}
.cert-list .cert svg { width: 16px; height: 16px; color: var(--c-accent); }

/* ---------- Timeline ---------- */
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tl {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 30px; position: relative; box-shadow: var(--shadow-sm);
}
.tl__year { font-size: 30px; font-weight: 800; color: var(--c-primary); }
.tl__dot { width: 14px; height: 14px; border-radius: 50%; background: var(--c-accent); margin: 14px 0; box-shadow: 0 0 0 5px var(--c-soft-2); }
.tl h3 { font-size: 18px; margin-bottom: 8px; }
.tl p { font-size: 14.5px; margin: 0; }

/* ---------- Split (about image) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split__media { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); }
.split__media img { width: 100%; height: 420px; object-fit: cover; }
.split ul.check { margin-top: 18px; }
.split ul.check li { display: flex; gap: 12px; align-items: flex-start; padding: 8px 0; color: var(--c-ink); font-weight: 500; }
.split ul.check li svg { width: 22px; height: 22px; color: var(--c-accent); flex: 0 0 auto; margin-top: 2px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.info-card { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--c-line); }
.info-card:last-child { border-bottom: 0; }
.info-card__icon { width: 44px; height: 44px; border-radius: 12px; background: var(--c-soft-2); color: var(--c-primary); display: grid; place-items: center; flex: 0 0 auto; }
.info-card__icon svg { width: 22px; height: 22px; }
.info-card h4 { margin: 0 0 4px; font-size: 15px; }
.info-card p { margin: 0; font-size: 14.5px; }
.info-card p.email-alt { margin-top: 4px; font-size: 13px; color: var(--c-muted); }

.form { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-md); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--c-ink); margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 15px; color: var(--c-ink); background: var(--c-soft);
  transition: border-color .2s, background .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--c-accent); background: #fff;
}
.field textarea { min-height: 120px; resize: vertical; }
.form .btn { width: 100%; justify-content: center; }
.form__note { font-size: 13px; color: var(--c-muted); margin-top: 14px; text-align: center; }

.map {
  margin-top: 48px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--c-line); box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, #F4F8FD, #E8F1FC);
  height: 320px; display: grid; place-items: center; color: var(--c-muted);
}
.map__cover { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; padding: 24px; cursor: pointer; }
.map__pin { color: var(--c-accent); }
.map__addr { margin: 0; font-size: 15px; color: var(--c-ink); font-weight: 600; }
.map__cover .btn { pointer-events: none; }
.map__alt { font-size: 13px; color: var(--c-muted); text-decoration: underline; }
.map__alt:hover { color: var(--c-accent); }
.map--live iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- Accordion (products detail) ---------- */
.acc { border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); }
.acc__item { border-bottom: 1px solid var(--c-line); }
.acc__item:last-child { border-bottom: 0; }
.acc__head { width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  padding: 22px 26px; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-family: var(--font); }
.acc__head h3 { margin: 0; font-size: 17px; }
.acc__head .ic { color: var(--c-accent); transition: transform .3s; flex: 0 0 auto; }
.acc__item.open .acc__head .ic { transform: rotate(45deg); }
.acc__body { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.acc__body-inner { padding: 0 26px 24px; }
.acc__body-inner p { margin-top: 0; }

/* ---------- FAQ (GEO) ---------- */
.faq-list { display: grid; gap: 14px; max-width: 860px; margin: 0 auto; }
.faq-list .acc__head { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 26px; }
.faq-list .acc__head span:first-child { font-weight: 700; font-size: 16.5px; color: var(--c-ink); }
.faq-list .acc__icon { color: var(--c-accent); font-size: 22px; font-weight: 700; line-height: 1; transition: transform .3s; flex: 0 0 auto; }
.faq-list .acc.open .acc__icon { transform: rotate(45deg); }
.faq-list .acc__body p { padding: 0 26px 22px; margin: 0; color: var(--c-muted); }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band h2 { margin-bottom: 14px; }
.cta-band p { max-width: 600px; margin: 0 auto 28px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-footer); color: rgba(255,255,255,.78); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: .5px; }
.site-footer a { color: rgba(255,255,255,.72); font-size: 14.5px; display: block; padding: 6px 0; transition: color .2s; }
.site-footer a:hover { color: var(--c-cyan); }
.footer-brand .brand__name { color: #fff; }
.footer-brand p { font-size: 14px; margin-top: 16px; max-width: 320px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: rgba(255,255,255,.6); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; gap: 36px; }
  .hero__visual { order: -1; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split__media img { height: 300px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr; }
  .stat-band { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .nav__links {
    position: fixed; top: 72px; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; padding: 10px 16px 20px;
    border-bottom: 1px solid var(--c-line); box-shadow: var(--shadow-md);
    transform: translateY(-120%); transition: transform .3s; z-index: 99;
  }
  .nav__links.open { transform: none; }
  .nav__links a { padding: 14px 12px; border-radius: 10px; }
  .nav__toggle { display: block; }
  .nav__right .btn--primary { display: none; }
  .section { padding: 60px 0; }
  .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 22px; }
}

/* =========================================================
   Real-material components (2026-09)
   ========================================================= */

/* ---------- Brand logo image ---------- */
.brand__logo { height: 46px; width: auto; display: block; }
.site-footer .brand__logo { background: #fff; padding: 6px 12px; border-radius: 10px; height: 48px; }

/* ---------- Product card with photo ---------- */
.pcard--media { padding: 0; }
.pcard--media .pcard__img {
  width: 100%; height: 190px; object-fit: cover; display: block;
  border-bottom: 1px solid var(--c-line); background: var(--c-soft);
}
.pcard--media .pcard__body { padding: 24px 26px 28px; }
.pcard--media .pcard__img--contain { object-fit: contain; padding: 14px; background: #fff; }

/* ---------- Application industries (photo tiles) ---------- */
.app-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--c-line); box-shadow: var(--shadow-sm); background: #0A1B30;
}
.app-card img { width: 100%; height: 230px; object-fit: cover; transition: transform .6s ease; opacity: .92; }
.app-card:hover img { transform: scale(1.06); }
.app-card__label {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 20px 16px;
  color: #fff; font-weight: 700; font-size: 16px; line-height: 1.4;
  background: linear-gradient(to top, rgba(7,20,38,.92), rgba(7,20,38,0));
}

/* ---------- Certificate gallery ---------- */
.cert-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert-gallery figure {
  margin: 0; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: all .25s;
}
.cert-gallery figure:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--c-accent); }
.cert-gallery img { width: 100%; height: 250px; object-fit: contain; background: #fff; padding: 10px; }
.cert-gallery figcaption { padding: 0 14px 14px; font-size: 13px; font-weight: 600; text-align: center; color: var(--c-ink); }

/* ---------- Overseas case cards ---------- */
.case-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow-sm); transition: all .25s; height: 100%;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--c-accent); }
.case-card__media { position: relative; margin: -26px -26px 18px; overflow: hidden; border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0; background: var(--c-soft); }
.case-card__media img { width: 100%; height: 180px; object-fit: cover; display: block; transition: transform .5s ease; }
.case-card:hover .case-card__media img { transform: scale(1.05); }
.case-card__chip {
  position: absolute; left: 14px; bottom: 12px; max-width: calc(100% - 28px);
  background: rgba(11,33,64,.82); color: #fff;
  font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 13px; border-radius: 999px; backdrop-filter: blur(4px);
}
.case-card__loc { font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--c-accent); }
.case-card h3 { font-size: 17px; margin: 8px 0 10px; }
.case-card__meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.case-card__meta span { font-size: 12px; color: var(--c-primary); background: var(--c-soft-2); padding: 4px 10px; border-radius: 6px; }
.case-card p { font-size: 14px; margin: 0; }
.section--blue .case-card { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.16); }
.section--blue .case-card h3 { color: #fff; }
.section--blue .case-card p { color: rgba(255,255,255,.8); }
.section--blue .case-card__loc { color: var(--c-cyan); }
.section--blue .case-card__meta span { background: rgba(255,255,255,.12); color: #fff; }

/* ---------- WhatsApp block ---------- */
.whatsapp {
  display: flex; gap: 22px; align-items: center; background: #fff;
  border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 20px 24px; box-shadow: var(--shadow-sm);
}
.whatsapp img { width: 152px; height: 152px; border-radius: 12px; object-fit: contain;
  border: 1px solid var(--c-line); background: #fff; padding: 6px; flex: 0 0 auto; }
.whatsapp h4 { margin: 0 0 6px; font-size: 16px; }
.whatsapp p { margin: 0; font-size: 14px; }

/* ---------- Team / inside gallery ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.team-grid img { width: 100%; height: 210px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: transform .3s; }
.team-grid img:hover { transform: translateY(-4px); }

/* ---------- Doc download ---------- */
.doc-btn { margin-top: 22px; }

@media (max-width: 980px) {
  .cert-gallery { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .cert-gallery, .team-grid { grid-template-columns: 1fr; }
  .whatsapp { flex-direction: column; text-align: center; }
  .app-card img { height: 200px; }
}