/* ============================================================
   HUARUI HONEYCOMB - English marketing site
   Foshan Huarui Honeycomb Technology Co., Ltd.
   ============================================================ */
:root {
  --navy: #0b3f2a;
  --navy-2: #14573b;
  --ink: #1c2b26;
  --grey: #5a6b64;
  --line: #dce7e0;
  --amber: #0a7d47;
  --amber-d: #08663a;
  --bg: #ffffff;
  --bg-soft: #f4f9f6;
  --ok: #1d7a4f;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
a { color: var(--navy-2); text-decoration: none; }
a:hover { color: var(--amber-d); }
img { max-width: 100%; display: block; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ---------- top bar ---------- */
.topbar {
  background: var(--bg-soft);
  color: var(--grey);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  padding: 6px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.topbar a { color: var(--amber-d); font-weight: 700; }

/* ---------- header / nav ---------- */
header.site {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  gap: 16px;
  flex-wrap: wrap;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { width: 64px; height: 64px; display: block; }
.logo .name { font-size: 23px; font-weight: 800; letter-spacing: 1px; color: var(--navy); }
.logo .sub { font-size: 11px; color: var(--grey); letter-spacing: 2px; }
nav.main ul { display: flex; gap: 26px; list-style: none; align-items: center; }
nav.main a {
  font-weight: 600; color: var(--ink); font-size: 15px; padding: 6px 0;
  border-bottom: 2px solid transparent;
}
nav.main a:hover, nav.main a.active { border-bottom-color: var(--amber); color: var(--navy); }
.btn {
  display: inline-block;
  background: var(--amber);
  color: #fff;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 15px;
}
.btn:hover { background: var(--amber-d); color: #fff; }
.btn.ghost {
  background: transparent; color: var(--navy);
  border: 2px solid var(--navy); padding: 8px 20px;
}
.btn.ghost:hover { background: var(--navy); color: #fff; }

/* ---------- hero ---------- */
.hero {
  background:
    linear-gradient(150deg, rgba(6,42,26,.88) 0%, rgba(10,90,52,.78) 55%, rgba(10,125,71,.66) 100%),
    url('img/core.jpg') center/cover;
  color: #fff;
  padding: 84px 0 92px;
  position: relative;
  overflow: hidden;
}
.hero .wrap { position: relative; }
.hero .badge {
  display: inline-block;
  border: 1px solid rgba(255,255,255,.45);
  background: rgba(255,255,255,.08);
  color: #a5e8c0;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1.5px;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: 40px;
  line-height: 1.2;
  max-width: 760px;
  margin-bottom: 16px;
}
.hero h1 em { color: #8fe6b4; font-style: normal; }
.hero p.lead { font-size: 17px; color: #d6ecdf; max-width: 640px; margin-bottom: 30px; }
.hero .cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .facts { display: flex; gap: 40px; margin-top: 44px; flex-wrap: wrap; }
.hero .facts div b { font-size: 26px; display: block; color: #8fe6b4; }
.hero .facts div span { font-size: 13px; color: #bfdccf; }

/* ---------- generic section ---------- */
section { padding: 64px 0; }
section.soft { background: var(--bg-soft); }
section h2 {
  font-size: 28px; color: var(--navy); margin-bottom: 10px;
  text-align: center;
}
section h2::after {
  content: ""; display: block; width: 48px; height: 3px;
  background: var(--amber); border-radius: 2px;
  margin: 12px auto 0;
}
section h2 + p.section-sub { color: var(--grey); max-width: 700px; margin: 18px auto 36px; text-align: center; }
.center { text-align: center; }
.center h2 + p.section-sub { margin-left: auto; margin-right: auto; }

/* cert strip */
.strip {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 14px 10px;
  display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: center;
  font-weight: 700; color: var(--navy-2); font-size: 14px;
  margin-top: -34px; position: relative; z-index: 5;
}
.strip span { background: var(--bg-soft); padding: 6px 14px; border-radius: 4px; border: 1px solid var(--line); }

/* ---------- product cards ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 26px 24px;
  transition: box-shadow .2s, transform .2s;
  display: flex; flex-direction: column;
}
.card:hover { box-shadow: 0 10px 26px rgba(11,63,42,.12); transform: translateY(-3px); }
.card .thumb {
  height: 160px; border-radius: 6px; margin-bottom: 16px;
  overflow: hidden; background: var(--bg-soft);
}
.card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s; }
.card:hover .thumb img { transform: scale(1.04); }
.about-img { border-radius: 8px; width: 100%; display: block; }
.card h3 { font-size: 18px; color: var(--navy); margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--grey); flex: 1; }
.card .more { margin-top: 14px; font-weight: 700; font-size: 14px; color: var(--amber-d); }

/* ---------- markets ---------- */
.mk { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.mk .m {
  border-left: 3px solid var(--amber);
  background: #fff; padding: 18px 20px; border-radius: 0 6px 6px 0;
  box-shadow: 0 1px 3px rgba(11,63,42,.06);
}
.mk .m h3 { font-size: 16px; color: var(--navy); margin-bottom: 6px; }
.mk .m p { font-size: 13.5px; color: var(--grey); }

/* ---------- tables ---------- */
table.spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: #fff;
}
table.spec th, table.spec td {
  border: 1px solid var(--line);
  padding: 9px 14px;
  text-align: left;
}
table.spec th { background: var(--bg-soft); color: var(--navy); width: 220px; }

/* product detail blocks */
.prod { padding: 40px 0; border-bottom: 1px solid var(--line); }
.prod:last-child { border-bottom: none; }
.prod h3 { font-size: 24px; color: var(--navy); margin-bottom: 6px; }
.prod .tags { margin: 10px 0 16px; }
.prod .tags span {
  display: inline-block; background: #e3f4ea; color: var(--amber-d);
  font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; margin-right: 8px;
}
.prod p.desc { color: var(--grey); max-width: 860px; margin-bottom: 18px; }
.prod .cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.prod ul.apps { list-style: none; }
.prod ul.apps li { padding-left: 24px; position: relative; margin-bottom: 6px; font-size: 14px; color: var(--ink); }
.prod ul.apps li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 8px; height: 8px; background: var(--amber); border-radius: 2px;
}

/* product videos */
.prod-videos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.prod-videos video { width: 100%; border-radius: 6px; background: #000; display: block; }
.prod-videos.single { grid-template-columns: 1fr; max-width: 560px; }
.video-label { font-size: 12px; color: var(--grey); margin-top: 6px; letter-spacing: .5px; }

/* ---------- marine band ---------- */
.marine-band {
  background:
    linear-gradient(120deg, rgba(6,42,26,.88) 0%, rgba(10,90,52,.66) 60%, rgba(10,125,71,.5) 100%),
    url('img/marine-ship.jpg') center/cover;
  color: #fff;
  padding: 64px 0;
}
.marine-band h2 { color: #fff; text-align: left; margin-bottom: 6px; }
.marine-band h2::after { margin-left: 0; }
.marine-band p.marine-sub { color: #d6ecdf; max-width: 680px; }
.marine-band .points { display: flex; gap: 14px; flex-wrap: wrap; margin: 22px 0 26px; }
.marine-band .points span {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.3);
  padding: 7px 16px; border-radius: 999px; font-size: 13.5px; font-weight: 700; color: #fff;
}

/* ---------- marine page hero with photo ---------- */
.hero.imgbg {
  background:
    linear-gradient(160deg, rgba(6,38,25,.90) 0%, rgba(11,63,40,.82) 55%, rgba(10,93,58,.68) 100%),
    url('img/marine-cruise.jpg') center/cover no-repeat;
}
.hero.imgbg::before { display: none; }

/* ---------- reference project photos ---------- */
.proj-imgs {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px; margin-bottom: 28px;
}
.proj-imgs img { width: 100%; display: block; border-radius: 8px; box-shadow: 0 2px 10px rgba(11,63,40,.15); }

/* ---------- image inside product detail ---------- */
.prod-img {
  display: block; max-width: 560px; width: 100%;
  border-radius: 8px; margin: 18px 0 22px;
  border: 1px solid var(--line);
}

/* ---------- news cards ---------- */
.news-date { font-size: 12px; font-weight: 700; color: var(--amber-d); letter-spacing: 1px; margin-bottom: 6px; }

/* ---------- CTA band ---------- */
.band {
  background: var(--navy);
  color: #fff; padding: 56px 0;
}
.band .wrap { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.band h2 { color: #fff; font-size: 26px; margin-bottom: 6px; text-align: left; }
.band h2::after { display: none; }
.band p { color: #c6d8e7; }

/* ---------- contact form ---------- */
form.quote { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
form.quote .full { grid-column: 1 / -1; }
form.quote label { font-weight: 600; font-size: 14px; display: block; margin-bottom: 6px; }
form.quote input, form.quote select, form.quote textarea {
  width: 100%; padding: 10px 12px; border: 1px solid #b9c6d1; border-radius: 4px;
  font: inherit; background: #fff;
}
form.quote textarea { min-height: 130px; }
.form-note { font-size: 13px; color: var(--grey); margin-top: 10px; }

.contact-info { display: grid; gap: 14px; margin-bottom: 34px; }
.contact-info div { background: #fff; border: 1px solid var(--line); padding: 14px 18px; border-radius: 6px; }
.contact-info b { color: var(--navy); display: block; font-size: 13px; letter-spacing: 1px; }
.contact-info span { font-size: 16px; }
.contact-info a { font-weight: 700; }

/* ---------- footer ---------- */
footer.site {
  background: #07281a; color: #9dc4b0; padding: 40px 0 24px; font-size: 13.5px;
}
footer.site .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; margin-bottom: 26px; }
footer.site h4 { color: #fff; font-size: 15px; margin-bottom: 10px; }
footer.site a { color: #cfe6d8; }
footer.site .fine { border-top: 1px solid #1d5a3d; padding-top: 16px; }

/* ---------- language switch ---------- */
nav.main a.lang-sw {
  display: inline-block; padding: 4px 14px; border: 1.5px solid var(--line);
  border-radius: 999px; font-size: 13px; font-weight: 700; color: var(--navy);
  letter-spacing: 1px; border-bottom-width: 1.5px;
}
nav.main a.lang-sw:hover { background: var(--bg-soft); border-color: var(--amber); color: var(--amber-d); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .grid, .mk, .prod .cols, form.quote { grid-template-columns: 1fr; }
  .grid.two { grid-template-columns: 1fr; }
  footer.site .cols { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}