/* ============================================================
   hebeishuangan.com — Anping County Industrial Wire Mesh Factory
   Design system: "Forge & Weave" — industrial navy + safety orange,
   sharp corners, hazard-stripe accents, spec-table-first typography.
   Base framework: Bulma 1.0.2 (CDN). This sheet holds brand tokens
   and component accents only.
   ============================================================ */

:root {
  --steel-navy: #14213d;
  --navy-deep: #0c1526;
  --navy-mid: #1f335c;
  --safety-orange: #e85d04;
  --orange-bright: #f48c06;
  --amber: #ffba08;
  --steel-50: #f7f8fa;
  --steel-100: #f1f3f5;
  --steel-200: #e3e7ec;
  --steel-400: #aab3c0;
  --steel-600: #5c677d;
  --ink: #1d2430;
  --hazard: repeating-linear-gradient(
    -45deg,
    var(--safety-orange) 0 14px,
    var(--steel-navy) 14px 28px
  );
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Source Sans 3", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--steel-50);
  font-size: 1.05rem;
  line-height: 1.65;
}

img {
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4,
.title, .menu-label {
  font-family: "Oswald", "Arial Narrow", sans-serif;
}

/* ---------- top utility strip ---------- */

.top-strip {
  background: var(--safety-orange);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-strip .strip-right {
  color: #ffe3c4;
}

/* ---------- main navigation ---------- */

.main-nav.navbar {
  background: var(--steel-navy);
  border-bottom: 4px solid var(--safety-orange);
  border-radius: 0;
}

.main-nav .navbar-brand .navbar-item {
  font-family: "Oswald", sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
}

.main-nav .navbar-brand .navbar-item:hover,
.main-nav .navbar-brand .navbar-item:focus {
  background: var(--navy-mid);
  color: #fff;
}

.main-nav .brand-mark {
  color: var(--orange-bright);
  margin-right: 0.5rem;
}

.main-nav .navbar-burger {
  color: #fff;
}

.main-nav .navbar-burger:hover {
  background: var(--navy-mid);
  color: #fff;
}

.main-nav .navbar-menu {
  background: var(--steel-navy);
}

.main-nav .navbar-end .navbar-item {
  color: #d4dae5;
  font-family: "Oswald", sans-serif;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-bottom: 3px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.main-nav .navbar-end .navbar-item:hover,
.main-nav .navbar-end .navbar-item:focus {
  background: var(--navy-mid);
  color: #fff;
}

.main-nav .navbar-end .navbar-item.is-current {
  color: var(--amber);
  border-bottom-color: var(--safety-orange);
}

/* ---------- homepage hero ---------- */

.hero-home {
  position: relative;
  background:
    linear-gradient(100deg, rgba(12, 21, 38, 0.92) 0%, rgba(20, 33, 61, 0.72) 55%, rgba(20, 33, 61, 0.35) 100%),
    url("/images/home-hero.jpg") center / cover no-repeat;
  color: #fff;
  padding: 6.5rem 1.5rem 7rem;
}

.hero-home .hero-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.hero-home .hero-kicker {
  display: inline-block;
  background: var(--safety-orange);
  color: #fff;
  font-family: "Oswald", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  margin-bottom: 1.25rem;
}

.hero-home h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.12;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  max-width: 18ch;
  margin-bottom: 1.25rem;
}

.hero-home .hero-lead {
  font-size: 1.18rem;
  color: #cfd8e6;
  max-width: 56ch;
  margin-bottom: 2rem;
}

.btn-forge {
  display: inline-block;
  font-family: "Oswald", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.85rem 1.7rem;
  border: 2px solid var(--safety-orange);
  background: var(--safety-orange);
  color: #fff;
  margin: 0 0.75rem 0.75rem 0;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-forge:hover {
  background: var(--orange-bright);
  border-color: var(--orange-bright);
  color: #fff;
}

.btn-forge.is-ghost {
  background: transparent;
  border-color: #ffffff88;
  color: #fff;
}

.btn-forge.is-ghost:hover {
  border-color: #fff;
  background: #ffffff14;
}

.hero-home::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  background: var(--hazard);
}

/* ---------- stat band ---------- */

.stat-band {
  background: var(--navy-deep);
  color: #fff;
  padding: 2.5rem 1.5rem;
}

.stat-band .stat-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.5rem;
  text-align: center;
}

.stat-band .stat-number {
  font-family: "Oswald", sans-serif;
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--amber);
  line-height: 1.1;
}

.stat-band .stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9fb0cc;
}

/* ---------- interior page title band ---------- */

.page-band {
  background: linear-gradient(100deg, var(--navy-deep) 0%, var(--steel-navy) 70%, var(--navy-mid) 100%);
  color: #fff;
  padding: 3.25rem 1.5rem 2.75rem;
  position: relative;
}

.page-band::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background: var(--hazard);
}

.page-band .band-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.page-band .crumbs {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8fa1c0;
  margin-bottom: 0.7rem;
}

.page-band .crumbs a {
  color: var(--orange-bright);
}

.page-band .crumbs a:hover {
  color: var(--amber);
}

.page-band h1 {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.15;
}

/* ---------- layout shells ---------- */

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.shell-narrow {
  max-width: 900px;
}

.with-sidebar {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 2.75rem;
  align-items: start;
}

@media (max-width: 900px) {
  .with-sidebar {
    grid-template-columns: 1fr;
  }
}

/* ---------- product sidebar ---------- */

.side-rail .rail-title {
  background: var(--steel-navy);
  color: #fff;
  font-family: "Oswald", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.7rem 1rem;
  border-left: 5px solid var(--safety-orange);
}

.side-rail ul.rail-menu {
  border: 1px solid var(--steel-200);
  border-top: 0;
  background: #fff;
  margin: 0 0 1.75rem;
  list-style: none;
}

.side-rail ul.rail-menu li {
  border-bottom: 1px solid var(--steel-100);
}

.side-rail ul.rail-menu li:last-child {
  border-bottom: 0;
}

.side-rail ul.rail-menu a {
  display: block;
  padding: 0.52rem 1rem;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--steel-600);
  border-left: 5px solid transparent;
  transition: color 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}

.side-rail ul.rail-menu a:hover {
  color: var(--safety-orange);
  background: var(--steel-50);
  border-left-color: var(--orange-bright);
}

.side-rail ul.rail-menu li.is-current a {
  color: var(--steel-navy);
  background: #fdf0e3;
  border-left-color: var(--safety-orange);
}

.quote-box {
  background: var(--steel-navy);
  color: #cfd8e6;
  padding: 1.4rem 1.25rem 1.5rem;
  border-top: 5px solid var(--safety-orange);
}

.quote-box h3 {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.quote-box p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.quote-box .btn-forge {
  font-size: 0.85rem;
  padding: 0.6rem 1.2rem;
  margin: 0;
}

/* ---------- prose content ---------- */

.content-prose h1 {
  font-size: 2.2rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--steel-navy);
  margin-bottom: 1.25rem;
}

.content-prose h2 {
  font-family: "Oswald", sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--steel-navy);
  border-left: 6px solid var(--safety-orange);
  padding-left: 0.85rem;
  margin: 2.4rem 0 1rem;
  line-height: 1.25;
}

.content-prose h3 {
  font-family: "Oswald", sans-serif;
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--navy-mid);
  margin: 1.8rem 0 0.6rem;
}

.content-prose p {
  margin-bottom: 1.05rem;
}

.content-prose ul {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
}

.content-prose ul li {
  padding: 0.32rem 0 0.32rem 1.5rem;
  position: relative;
}

.content-prose ul li::before {
  content: "\25A0";
  position: absolute;
  left: 0;
  top: 0.34rem;
  color: var(--safety-orange);
  font-size: 0.75rem;
}

.content-prose a {
  color: #b34902;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: #e85d0455;
  text-underline-offset: 2px;
}

.content-prose a:hover {
  color: var(--safety-orange);
  text-decoration-color: var(--safety-orange);
}

.content-prose strong {
  color: var(--steel-navy);
}

/* ---------- figures ---------- */

.page-figure {
  margin: 0 0 1.9rem;
  border: 1px solid var(--steel-200);
  border-bottom: 5px solid var(--safety-orange);
  background: #fff;
  padding: 0.5rem;
}

.page-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-figure.in-flow {
  margin: 1.9rem 0;
}

/* ---------- spec tables ---------- */

.table-container {
  margin: 1.1rem 0 1.9rem;
  border: 1px solid var(--steel-200);
}

.spec-table.table {
  margin-bottom: 0;
  font-size: 0.92rem;
  border-radius: 0;
}

.spec-table.table thead th {
  background: var(--steel-navy);
  color: #fff;
  font-family: "Oswald", sans-serif;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.83rem;
  border-color: var(--navy-mid);
}

.spec-table.table.is-striped tbody tr:nth-child(even) {
  background: var(--steel-100);
}

.spec-table.table td,
.spec-table.table th {
  border-color: var(--steel-200);
  vertical-align: middle;
}

/* ---------- homepage feature cards ---------- */

.weave-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
  margin: 2.2rem 0 1rem;
}

.weave-card {
  background: #fff;
  border: 1px solid var(--steel-200);
  border-top: 5px solid var(--safety-orange);
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.weave-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(12, 21, 38, 0.14);
}

.weave-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.weave-card .card-body {
  padding: 1.25rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.weave-card h3 {
  font-family: "Oswald", sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--steel-navy);
  margin: 0 0 0.55rem;
}

.weave-card p {
  font-size: 0.95rem;
  color: var(--steel-600);
  margin-bottom: 1rem;
  flex: 1;
}

.weave-card .card-link {
  font-family: "Oswald", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--safety-orange);
}

.weave-card .card-link:hover {
  color: var(--steel-navy);
}

/* ---------- footer ---------- */

.site-footer {
  background: var(--navy-deep);
  color: #9fb0cc;
  border-top: 8px solid var(--safety-orange);
  margin-top: 0;
}

.site-footer .footer-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 3.25rem 1.5rem 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2.5rem;
}

.site-footer h4 {
  color: var(--amber);
  font-family: "Oswald", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.site-footer p {
  font-size: 0.93rem;
}

.site-footer ul {
  list-style: none;
}

.site-footer ul li {
  margin-bottom: 0.45rem;
}

.site-footer a {
  color: #c4cede;
  font-size: 0.93rem;
}

.site-footer a:hover {
  color: var(--orange-bright);
}

.site-footer .footer-bottom {
  border-top: 1px solid #223354;
  padding: 1.1rem 1.5rem;
  text-align: center;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: #71819f;
}

/* ---------- 404 ---------- */

.notfound {
  text-align: center;
  padding: 5.5rem 1.5rem 6rem;
}

.notfound .code {
  font-family: "Oswald", sans-serif;
  font-size: clamp(5rem, 16vw, 9rem);
  font-weight: 700;
  color: var(--steel-navy);
  line-height: 1;
  letter-spacing: 0.04em;
}

.notfound .code span {
  color: var(--safety-orange);
}

.notfound h1 {
  font-size: 1.6rem;
  text-transform: uppercase;
  color: var(--steel-navy);
  margin: 0.75rem 0 1rem;
}

.notfound p {
  max-width: 52ch;
  margin: 0 auto 2rem;
  color: var(--steel-600);
}

/* ---------- small screens ---------- */

@media (max-width: 600px) {
  .hero-home {
    padding: 4.5rem 1.25rem 5rem;
  }

  .shell {
    padding: 2.25rem 1.1rem 3rem;
  }

  .top-strip {
    justify-content: center;
    text-align: center;
  }
}