/* Valeron Chemicals — industrial imagery, clear hierarchy, restrained orange accents */
:root {
  --orange: #b85b0b;
  --orange-dark: #984707;
  --orange-light: #f5a623;
  --orange-pale: #fff4e8;
  --navy: #1a2d4a;
  --navy-dark: #0f1c2e;
  --text: #2c3e50;
  --text-muted: #596b80;
  --text-light: #94a3b8;
  --bg: #ffffff;
  --bg-alt: #f2f5f8;
  --border: #dce3eb;
  --radius: 12px;
  --radius-sm: 6px;
  --radius-pill: 6px;
  --shadow: 0 4px 20px rgba(26, 45, 74, 0.05);
  --shadow-lg: 0 20px 60px rgba(26, 45, 74, 0.12);
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-display: "Bahnschrift", "DIN Alternate", "Plus Jakarta Sans", "Microsoft YaHei", sans-serif;
  --max: 1320px;
  --header-h: 80px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: calc(var(--header-h) + 24px); }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }
:focus-visible { outline: 3px solid var(--orange-light); outline-offset: 5px; }
button, input, textarea { font: inherit; }
h1, h2, h3 { text-wrap: balance; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 1100; padding: 0.75rem 1rem; background: #fff; color: var(--navy); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 3.5rem);
}

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  overflow: visible;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

/* Blur on a pseudo so position:fixed mobile nav is not trapped/clipped */
.site-header.scrolled::before,
.site-header--inner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  pointer-events: none;
}

.site-header.scrolled {
  background: transparent;
  box-shadow: 0 1px 0 var(--border);
}

.site-header.scrolled .nav-list a { color: var(--navy); }
.site-header.scrolled .menu-toggle span { background: var(--navy); }

.site-header--inner {
  background: transparent;
  box-shadow: 0 1px 0 var(--border);
}

.site-header--inner .nav-list a { color: var(--navy); }
.site-header--inner .menu-toggle span { background: var(--navy); }
.site-header--inner .lang-switch { color: var(--text-muted); }
.site-header--inner .nav-list a:hover { color: var(--orange); }

.nav-list a.active { color: var(--orange) !important; font-weight: 600; }
.site-header.scrolled .nav-list a.active,
.site-header--inner .nav-list a.active { color: var(--orange) !important; }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 0 0 auto;
}

.brand-mark-img {
  display: block;
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand--logo-only .brand-mark-img {
  width: 52px;
  height: 52px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  max-width: min(42vw, 280px);
}

.brand-text strong {
  font-size: clamp(0.78rem, 1.4vw, 0.95rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
}

.site-header.scrolled .brand-text strong,
.site-header--inner .brand-text strong {
  color: var(--navy);
}

.brand--footer .brand-text {
  max-width: 220px;
}
.brand--footer .brand-text strong { color: #fff; }
.brand--footer .brand-mark-img { width: 48px; height: 48px; }

.main-nav {
  display: flex; align-items: center; gap: 1.5rem;
}

.nav-list {
  display: flex; gap: clamp(0.8rem, 1.4vw, 1.5rem);
}

.nav-list a {
  font-size: 0.875rem; font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color 0.3s;
  position: relative;
  white-space: nowrap;
}

.nav-list a::after {
  content: ""; position: absolute;
  bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--orange); transition: width 0.3s;
}

.nav-list a:hover { color: #fff; }
.nav-list a:hover::after, .nav-list a.active::after { width: 100%; }
.site-header.scrolled .nav-list a:hover { color: var(--orange); }

.lang-switch {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.8rem; color: rgba(255,255,255,0.6);
}

.site-header.scrolled .lang-switch,
.site-header--inner .lang-switch { color: var(--text-muted); }

.lang-btn {
  background: none; border: none; cursor: pointer;
  font-family: var(--font); font-size: 0.8rem; font-weight: 600;
  color: inherit; padding: 0.6rem 0.4rem; min-height: 44px;
  transition: color 0.3s;
}

.lang-btn.active { color: var(--orange); }

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  color: inherit;
  background: transparent
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23888' d='M1 1l5 5 5-5'/%3E%3C/svg%3E")
    no-repeat right 0.35rem center / 10px;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 6px;
  padding: 0.45rem 1.6rem 0.45rem 0.65rem;
  min-height: 40px;
  cursor: pointer;
  max-width: 9.5rem;
}

.site-header.scrolled .lang-select,
.site-header--inner .lang-select {
  border-color: var(--border);
  color: var(--navy);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23333' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
}

.lang-select option { color: #111; background: #fff; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Arabic / RTL layout mirrors */
html[dir="rtl"] .header-inner,
html[dir="rtl"] .nav-actions,
html[dir="rtl"] .lang-switch,
html[dir="rtl"] .hero-actions,
html[dir="rtl"] .footer-bottom-inner {
  flex-direction: row-reverse;
}
html[dir="rtl"] .nav-list { direction: rtl; }
html[dir="rtl"] .nav-list a::after { left: auto; right: 0; }
html[dir="rtl"] .lang-select {
  background-position: left 0.35rem center;
  padding: 0.45rem 0.65rem 0.45rem 1.6rem;
}
html[dir="rtl"] .section-label,
html[dir="rtl"] .page-hero,
html[dir="rtl"] .hero-body,
html[dir="rtl"] .content-block,
html[dir="rtl"] .footer-col { text-align: right; }
html[dir="rtl"] body { text-align: right; }

@media (min-width: 1181px) {
  .site-header:not(.scrolled) .nav-list a.active { color: var(--orange-light) !important; }
  .site-header:not(.scrolled) .lang-btn.active { color: var(--orange-light); }
  .site-header:not(.scrolled) .lang-select { color: #fff; border-color: rgba(255,255,255,0.45); }
}

.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}

.menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: #fff; transition: var(--ease);
}

/* ── Hero ── */
.hero {
  position: relative;
  height: 100vh; min-height: 640px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

.hero-media {
  position: absolute; inset: 0;
  background: var(--navy-dark) url('/assets/hero-poster.jpg') center / cover;
}

.hero-video {
  width: 100%; height: 100%;
  object-fit: cover;
}

.hero-photo {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.hero--photo .hero-body {
  max-width: 920px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1rem;
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.88);
  margin: -1rem 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

.header-quote {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--orange);
  color: #fff !important;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.25s;
}

.header-quote:hover { background: var(--navy); color: #fff !important; }

.site-header.scrolled .header-quote,
.site-header--inner .header-quote {
  background: var(--orange);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-tagline {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  margin: 0.75rem 0 1.25rem;
  line-height: 1.5;
}

.hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 28, 46, 0.45) 0%,
    rgba(15, 28, 46, 0.55) 50%,
    rgba(15, 28, 46, 0.7) 100%
  );
}

.hero-body {
  position: relative; z-index: 2;
  text-align: center; padding: 0 2rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800; color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  line-height: 1.1;
}

.hero-cta {
  display: inline-flex; align-items: center;
  padding: 0.9rem 2.2rem;
  background: #e07b1a;
  color: #fff; font-weight: 600; font-size: 0.9rem;
  border-radius: 50px;
  transition: background 0.3s, transform 0.3s;
  letter-spacing: 0.02em;
}

.hero-cta:hover {
  background: #c96a10;
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  animation: bounce 2s infinite;
  z-index: 2;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ── Sections ── */
.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.section-label {
  font-size: 0.8rem; font-weight: 700;
  color: var(--orange); text-transform: uppercase;
  letter-spacing: 0.14em; margin-bottom: 0.75rem;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800; color: var(--navy);
  letter-spacing: -0.02em; line-height: 1.2;
  margin-bottom: 1rem; max-width: 720px;
}

.section-lead {
  font-size: 1.05rem; color: var(--text-muted);
  max-width: 680px; line-height: 1.8;
  margin-bottom: 3rem;
}

/* ── Business Cards ── */
.business { background: var(--bg); }

.business-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

.biz-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
  display: block;
  box-shadow: var(--shadow);
  transition: transform 0.4s var(--ease), box-shadow 0.4s;
}

.biz-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.biz-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute; inset: 0;
  transition: transform 0.6s var(--ease);
}

.biz-card:hover img { transform: scale(1.05); }

.biz-card--tall { min-height: 420px; }

.biz-card-overlay {
  position: relative; min-height: inherit;
  background: linear-gradient(180deg, rgba(15,28,46,0.1), rgba(15,28,46,0.95) 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 2rem 2.25rem;
  color: #fff;
}

.biz-card-overlay--gradient {
  background: linear-gradient(160deg, rgba(224,123,26,0.15) 0%, rgba(15,28,46,0.88) 60%);
}

.biz-card-tag {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--orange-light); margin-bottom: 0.5rem;
}

.biz-card-overlay h3 {
  font-size: 1.5rem; font-weight: 800;
  margin-bottom: 0.6rem; line-height: 1.2;
}

.biz-card-overlay p {
  font-size: 0.875rem; color: rgba(255,255,255,0.75);
  line-height: 1.65; margin-bottom: 1rem;
  max-width: 90%;
}

.biz-card-link {
  font-size: 0.85rem; font-weight: 600;
  color: var(--orange-light);
}

/* ── Stats ── */
.stats {
  position: relative;
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  overflow: hidden;
}

.stats-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}

.stats-shade {
  position: absolute; inset: 0;
  background: rgba(15, 28, 46, 0.82);
}

.stats-inner { position: relative; z-index: 1; }

.stats-label {
  text-align: center;
  font-size: 0.8rem; font-weight: 700;
  color: var(--orange-light);
  text-transform: uppercase; letter-spacing: 0.14em;
  margin-bottom: 3rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stats-item p {
  font-size: 0.875rem; color: rgba(255,255,255,0.7);
  margin-top: 0.75rem; line-height: 1.5;
  max-width: 180px; margin-inline: auto;
}

.stats-num {
  font-family: var(--font-display); font-variant-numeric: tabular-nums;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800; color: #fff;
  line-height: 1;
}

.stats-num sup {
  font-size: 0.45em;
  color: var(--orange-light);
  vertical-align: super;
  margin: 0 0.1em;
}

/* ── Showcase Tabs ── */
.showcase { background: var(--bg-alt); }

.showcase-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.showcase-tabs {
  display: flex; flex-direction: column; gap: 0.75rem;
}

.showcase-tab {
  padding: 1.1rem 1.5rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 0.875rem; font-weight: 600;
  text-align: left; cursor: pointer;
  background: #fff;
  color: var(--navy);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  line-height: 1.4;
}

.showcase-tab:hover { border-color: var(--orange); background: var(--orange-pale); }

.showcase-tab.active {
  background: var(--navy);
  color: #fff;
  box-shadow: var(--shadow);
  border-color: var(--navy);
}

.showcase-panel {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.showcase-visual {
  position: relative;
  height: 320px;
  overflow: hidden;
}

.showcase-visual img {
  width: 100%; height: 100%; object-fit: cover;
  transition: opacity 0.5s;
}

.showcase-visual-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 2rem 2.25rem;
  background: linear-gradient(transparent, rgba(15,28,46,0.85));
  color: #fff;
}

.showcase-rig-type {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--orange-light);
}

.showcase-visual-caption h3 {
  font-size: 1.25rem; font-weight: 700; margin-top: 0.3rem;
}

.showcase-content {
  padding: 2rem 2.25rem;
}

.showcase-content p {
  font-size: 0.95rem; color: var(--text-muted);
  line-height: 1.75; margin-bottom: 1.25rem;
}

.showcase-list li {
  font-size: 0.875rem; color: var(--text);
  padding: 0.45rem 0;
  padding-left: 1.25rem;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.showcase-list li::before {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--orange); transform: translateY(-50%);
}

.showcase-list li:last-child { border-bottom: none; }

/* ── Catalogs ── */
.catalogs { background: var(--bg); }

.catalog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.catalog-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.4s, box-shadow 0.4s;
}

.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.catalog-cover {
  height: 280px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: #fff; text-align: center;
}

.catalog-cover span {
  font-size: 2rem; font-weight: 800;
  letter-spacing: 0.15em;
}

.catalog-cover small {
  font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.3em; opacity: 0.8;
  margin-top: 0.25rem;
}

.catalog-cover--drilling {
  background: linear-gradient(135deg, #1a2d4a 0%, #2d4a6e 50%, #e07b1a 100%);
}

.catalog-cover--production {
  background: linear-gradient(135deg, #e07b1a 0%, #c96a10 50%, #1a2d4a 100%);
}

.catalog-body {
  padding: 2rem 2.25rem;
}

.catalog-body h4 {
  font-size: 0.75rem; font-weight: 700;
  color: var(--orange); text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: 0.5rem;
}

.catalog-body h3 {
  font-size: 1.15rem; font-weight: 700;
  color: var(--navy); margin-bottom: 1.5rem;
  line-height: 1.4;
}

.catalog-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--navy); color: #fff;
  font-size: 0.85rem; font-weight: 600;
  border-radius: var(--radius-pill);
  transition: background 0.3s;
}

.catalog-btn:hover { background: var(--orange); }

/* ── Profile Banner ── */
.profile-banner {
  position: relative;
  min-height: 480px;
  display: flex; align-items: center;
  overflow: hidden;
}

.profile-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  background-attachment: fixed;
}

.profile-shade {
  position: absolute; inset: 0;
  background: rgba(15, 28, 46, 0.72);
}

.profile-body {
  position: relative; z-index: 1;
  max-width: 680px;
  padding-block: 5rem;
}

.profile-body h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800; color: #fff;
  margin-bottom: 1.25rem; line-height: 1.2;
}

.profile-body p {
  font-size: 1.05rem; color: rgba(255,255,255,0.8);
  line-height: 1.8; margin-bottom: 2rem;
}

.profile-btn {
  display: inline-flex; padding: 0.85rem 2rem;
  background: var(--orange); color: #fff;
  font-weight: 600; font-size: 0.9rem;
  border-radius: var(--radius-pill);
  transition: background 0.3s, transform 0.3s;
}

.profile-btn:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
}

/* ── Cases ── */
.cases { background: var(--bg-alt); }

.cases-header {
  display: flex; justify-content: space-between;
  align-items: flex-end; gap: 2rem;
  margin-bottom: 3rem;
}

.cases-more {
  font-size: 0.875rem; font-weight: 600;
  color: var(--orange); white-space: nowrap;
  transition: color 0.3s;
}

.cases-more:hover { color: var(--orange-dark); }

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.case-card {
  display: block;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.4s, box-shadow 0.4s;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-img {
  height: 220px;
  background-size: cover; background-position: center;
}

.case-body {
  padding: 1.5rem 1.75rem 1.75rem;
}

.case-body time {
  font-size: 0.75rem; font-weight: 600;
  color: var(--orange); letter-spacing: 0.04em;
}

.case-body h3 {
  font-size: 1rem; font-weight: 700;
  color: var(--navy); margin-top: 0.5rem;
  line-height: 1.5;
}

/* ── Contact ── */
.contact { background: var(--bg); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem; align-items: start;
}

.contact-list {
  margin-top: 2rem;
  display: grid; gap: 1.25rem;
}

.contact-list li strong {
  display: block; font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-muted); margin-bottom: 0.2rem;
}

.contact-list li span,
.contact-list li a {
  font-size: 0.95rem; color: var(--navy); font-weight: 500;
}

.contact-list li a:hover { color: var(--orange); }

.contact-form {
  background: var(--bg-alt);
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}

.field { margin-bottom: 1.25rem; }

.field label {
  display: block; font-size: 0.8rem; font-weight: 600;
  margin-bottom: 0.4rem; color: var(--text);
}

.field input,
.field textarea {
  width: 100%; padding: 0.8rem 1rem;
  font-family: var(--font); font-size: 0.9rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: #fff; color: var(--text);
  transition: border-color 0.3s;
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--orange); outline-offset: 2px; border-color: var(--orange);
}
.field textarea { resize: vertical; min-height: 140px; }

.submit-btn {
  width: 100%; padding: 0.9rem;
  background: var(--orange); color: #fff;
  font-family: var(--font); font-size: 0.9rem; font-weight: 700;
  border: none; border-radius: var(--radius-pill);
  cursor: pointer; transition: background 0.3s;
}

.submit-btn:hover { background: var(--orange-dark); }

/* ── Footer ── */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.65);
  padding-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.brand-logo--footer {
  width: min(100%, 260px);
  height: 64px;
  box-shadow: none;
}

.footer-brand address {
  margin-top: 1.5rem;
  font-size: 0.85rem; line-height: 1.8;
}

.footer-brand address p { margin-bottom: 0.35rem; }
.footer-brand address strong { color: rgba(255,255,255,0.9); }
.footer-brand a { color: rgba(255,255,255,0.65); }
.footer-brand a:hover { color: var(--orange-light); }

.footer-col h5 {
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: #fff; margin-bottom: 1.25rem;
}

.footer-col li { margin-bottom: 0.55rem; }

.footer-col a {
  font-size: 0.85rem;
  transition: color 0.3s;
}

.footer-col a:hover { color: var(--orange-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.5rem 0;
}

.footer-bottom-inner {
  display: flex; justify-content: space-between;
  align-items: center; font-size: 0.8rem;
}

.footer-certs {
  display: flex; gap: 0.75rem;
}

.footer-certs span {
  padding: 0.25rem 0.6rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px; font-size: 0.7rem;
  letter-spacing: 0.04em;
}

/* ── Reveal ── */
.reveal.reveal-pending {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .business-grid { grid-template-columns: 1fr; }
  .biz-card, .biz-card--tall { min-height: 360px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
  .showcase-layout { grid-template-columns: 1fr; }
  .showcase-tabs { flex-direction: row; flex-wrap: wrap; }
  .catalog-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1180px) {
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    z-index: 1001;
    background: #fff; flex-direction: column;
    padding: 1.5rem; gap: 0;
    transform: translateY(-12px); opacity: 0; visibility: hidden; pointer-events: none;
    max-height: calc(100dvh - var(--header-h)); overflow-y: auto; overscroll-behavior: contain;
    transition: transform 0.25s var(--ease), opacity 0.25s, visibility 0.25s;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }

  .nav-list {
    flex-direction: column; width: 100%; gap: 0;
  }

  .nav-list a {
    display: block; padding: 0.85rem 0;
    color: var(--navy) !important;
    border-bottom: 1px solid var(--border);
  }

  .nav-actions { margin-top: 1rem; flex-direction: column; align-items: stretch; width: 100%; }
  .lang-switch { color: var(--text-muted); }
  .menu-toggle {
    display: flex; justify-content: center; align-items: center;
    position: relative; z-index: 1002;
    width: 44px; height: 44px;
  }

  .menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}

@media (max-width: 768px) {
  :root { --header-h: 72px; }
  .showcase-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 0.5rem; }
  .showcase-tab { flex: 0 0 auto; max-width: 220px; }
  .showcase-visual { height: 260px; }
  .showcase-content, .showcase-visual-caption, .biz-card-overlay { padding: 1.5rem; }
  .contact-form { padding: 1.5rem; }
  .field input, .field textarea { font-size: 1rem; }
  .cases-header { flex-direction: column; align-items: flex-start; }
  .cases-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; gap: 1rem; text-align: center; }
  .profile-bg { background-attachment: scroll; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal.reveal-pending { opacity: 1; transform: none; }
  .hero-video { display: none; }
}

/* ── Inner Pages ── */
.page-main { padding-top: var(--header-h); }

.page-hero {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-hero--short { min-height: 260px; }

.page-hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,28,46,0.88) 0%, rgba(15,28,46,0.55) 100%);
}

.page-hero-body {
  position: relative; z-index: 1;
  padding-block: 4rem 3rem;
  color: #fff;
}

.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  font-size: 0.8rem; margin-bottom: 1rem;
  color: rgba(255,255,255,0.65);
}

.breadcrumb a:hover { color: var(--orange-light); }
.breadcrumb span { opacity: 0.5; }

.page-hero-body h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-hero-body p {
  margin-top: 0.75rem;
  max-width: 640px;
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
}

.page-content { padding: clamp(4rem, 8vw, 6rem) 0; }
body[data-page="business"] .page-content { padding: clamp(3rem, 5.5vw, 4.5rem) 0; }
.page-content--alt { background: var(--bg-alt); }

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.content-block h3 {
  font-size: 1.25rem; font-weight: 700;
  color: var(--navy); margin-bottom: 1rem;
}

.content-block p {
  color: var(--text-muted); margin-bottom: 1rem;
  line-height: 1.8;
}

.about-alliance {
  padding: 2rem 2.25rem;
  background: var(--bg-alt);
  border-left: 4px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.about-alliance p {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.85;
  margin: 0;
}

.about-team-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem;
  background: var(--navy);
  border-radius: var(--radius);
  color: #fff;
}

.about-team-cta .section-label { color: var(--orange-light); }
.about-team-cta .section-heading { color: #fff; margin-bottom: 0.75rem; }
.about-team-cta p { color: rgba(255,255,255,0.75); max-width: 640px; margin: 0; }

.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.team-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.team-card__num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--orange);
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.team-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 1.25rem;
  line-height: 1.3;
}

.team-card__block {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.team-card__block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.team-card__block h4 {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 0.4rem;
}

.team-card__block p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.team-quote {
  margin-top: 3.5rem;
  padding: 2.5rem 2.75rem;
  background: var(--bg-alt);
  border-left: 4px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.team-quote p:last-child {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
  font-style: italic;
  margin: 0.75rem 0 0;
}

@media (max-width: 1024px) {
  .team-grid { grid-template-columns: 1fr; }
  .about-team-cta { flex-direction: column; align-items: flex-start; }
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.value-card {
  padding: 1.5rem;
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  text-align: center;
  box-shadow: var(--shadow);
}

.value-card strong {
  display: block;
  font-size: 1rem; color: var(--orange);
  margin-bottom: 0.35rem;
}

.value-card span {
  font-size: 0.8rem; color: var(--text-muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.feature-grid--4 { grid-template-columns: repeat(4, 1fr); }
.feature-grid--5 { grid-template-columns: repeat(5, 1fr); }

.feature-card {
  padding: 2rem;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.feature-card h4 {
  font-size: 1rem; font-weight: 700;
  color: var(--navy); margin-bottom: 0.6rem;
}

.feature-card p {
  font-size: 0.875rem; color: var(--text-muted);
  line-height: 1.65;
}

.compact-list {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.compact-list li {
  padding-left: 0.9rem;
  position: relative;
}

.compact-list li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
  position: absolute;
  left: 0;
  top: 0.68em;
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 1rem;
}

.capability-list li {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  color: var(--text);
  font-size: 0.84rem;
  line-height: 1.35;
}

.process-flow {
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.process-flow span {
  display: flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--navy);
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(15,34,51,0.06);
}

.process-flow span + span {
  position: relative;
}

.process-flow span + span::before {
  content: "";
  width: 1px;
  height: 0.85rem;
  background: var(--border);
  position: absolute;
  left: 1.3rem;
  top: -0.86rem;
}

.capability-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.capability-panels > div {
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.capability-panels h4 {
  color: var(--navy);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.value-line {
  font-size: 1rem !important;
  color: var(--navy) !important;
  font-weight: 800;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.category-grid--5 {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}
.category-grid--5 > .category-card { grid-column: span 2; }
.category-grid--5 > .category-card:nth-child(-n+2) { grid-column: span 3; }
.category-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.page-content .container > .category-grid:first-child { margin-top: 0; }

.category-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 300px;
  box-shadow: var(--shadow);
  transition: transform 0.4s var(--ease);
}

.category-card:hover { transform: translateY(-6px); }

.category-card img {
  width: 100%; height: 100%;
  object-fit: cover; position: absolute; inset: 0;
  transition: transform 0.6s;
}

.category-card:hover img { transform: scale(1.05); }

.category-card-body {
  position: relative; min-height: 300px;
  background: linear-gradient(180deg, rgba(15,28,46,0.25), rgba(15,28,46,0.95) 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.75rem; color: #fff;
}

.category-card-body h3 {
  font-size: 1.15rem; font-weight: 700; margin-bottom: 0.4rem;
}

.category-card-body p {
  font-size: 0.8rem; color: rgba(255,255,255,0.75);
  margin-bottom: 0.75rem; line-height: 1.5;
}

.category-card-link {
  font-size: 0.85rem; font-weight: 600; color: var(--orange-light);
}

.product-grid-page {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.product-sections { display: flex; flex-direction: column; gap: 2.75rem; }
.product-section__head {
  display: flex; align-items: baseline; gap: 0.85rem;
  margin-bottom: 1.25rem; padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.product-section__num {
  font-size: 0.85rem; font-weight: 800; color: var(--orange);
  letter-spacing: 0.06em;
}
.product-section__title {
  margin: 0; font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--navy); font-weight: 700;
}
.product-section .product-grid-page { margin-top: 0; }

.contact-social { align-items: center; }
.social-icons {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}
.social-icon-link { display: inline-flex; align-items: center; }
.social-icon {
  width: 36px; height: 36px; border-radius: 6px;
  object-fit: cover; display: block;
}

.product-item {
  display: flex; flex-direction: column; min-width: 0; overflow-wrap: anywhere;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.product-item:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow);
}

.product-item__code {
  font-size: 0.7rem; font-weight: 700;
  color: var(--orange); letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.product-item__cat {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--navy);
  opacity: 0.65;
  margin-bottom: 0.35rem;
}

.product-item__name {
  font-size: 0.95rem; font-weight: 700; color: var(--navy);
}

.product-item__name-alt {
  font-size: 0.8rem; color: var(--text-muted); margin: 0.2rem 0 0.6rem;
}

.product-item__desc {
  font-size: 0.8rem; color: var(--text-muted); line-height: 1.6;
}

.product-item__tags {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  margin: 0.75rem 0;
}

.product-item__tags span {
  font-size: 0.65rem; padding: 0.2rem 0.5rem;
  background: var(--bg-alt); border-radius: 3px;
  color: var(--text-muted);
}

.product-item__cta {
  margin-top: auto; padding-top: 1rem;
  font-size: 0.8rem; font-weight: 600; color: var(--orange);
}

.org-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.org-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.org-card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow);
}

.org-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.org-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.trade-quote {
  margin: 2.5rem 0 0;
  padding: 1.75rem 2rem;
  border-left: 4px solid var(--orange);
  background: var(--bg-alt);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--navy);
  line-height: 1.7;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, transform 0.2s;
}

.btn-primary {
  background: var(--orange);
  color: #fff;
}

.btn-primary:hover {
  background: var(--navy);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.55);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}

.case-detail-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.case-detail {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2rem;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.case-detail-img {
  min-height: 240px;
  background-size: cover; background-position: center;
}

.case-detail-body { padding: 2rem 2rem 2rem 0; }

.case-detail-body time {
  font-size: 0.75rem; font-weight: 600; color: var(--orange);
}

.case-detail-body h3 {
  font-size: 1.25rem; font-weight: 700;
  color: var(--navy); margin: 0.5rem 0 1rem;
}

.case-detail-body p {
  font-size: 0.9rem; color: var(--text-muted);
  line-height: 1.75; margin-bottom: 0.75rem;
}

.case-metrics {
  display: flex; gap: 2rem; margin-top: 1rem;
  padding-top: 1rem; border-top: 1px solid var(--border);
}

.case-metrics div strong {
  display: block;
  font-size: 1.5rem; font-weight: 800; color: var(--orange);
}

.case-metrics div span {
  font-size: 0.75rem; color: var(--text-muted);
}

.catalog-full-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

@media (max-width: 1200px) {
  .feature-grid--4,
  .feature-grid--5 { grid-template-columns: repeat(2, 1fr); }
  .category-grid--5 { grid-template-columns: repeat(3, 1fr); }
  .category-grid--5 > .category-card:nth-child(n) { grid-column: auto; }
  .category-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .content-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .category-grid--5 { grid-template-columns: 1fr 1fr; }
  .category-grid--4 { grid-template-columns: 1fr 1fr; }
  .capability-panels { grid-template-columns: 1fr; }
  .org-grid { grid-template-columns: 1fr 1fr; }
  .case-detail { grid-template-columns: 1fr; }
  .case-detail-body { padding: 1.5rem; }
  .catalog-full-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .values-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .category-grid--5 { grid-template-columns: 1fr; }
  .category-grid--4 { grid-template-columns: 1fr; }
  .capability-list { grid-template-columns: 1fr; }
  .org-grid { grid-template-columns: 1fr; }
  .case-metrics { flex-direction: column; gap: 1rem; }
}

/* ── Site 2.0 shared components ── */
.check-list { display: grid; gap: 0.65rem; margin: 1rem 0 0; }
.check-list li {
  position: relative; padding-left: 1.35rem;
  color: var(--text-muted); font-size: 0.95rem; line-height: 1.55;
}
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--orange);
}
.intro-photos { display: grid; gap: 1rem; }
.intro-photos img {
  width: 100%; border-radius: var(--radius); box-shadow: var(--shadow);
  aspect-ratio: 4/3; object-fit: cover;
}
.feature-card-img {
  width: calc(100% + 4rem); max-width: none;
  margin: -2rem -2rem 1.25rem; height: 160px;
  object-fit: cover; border-radius: var(--radius) var(--radius) 0 0;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem; margin-top: 2rem;
}
.process-step {
  margin: 0; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.process-step img { width: 100%; height: 110px; object-fit: cover; }
.process-step figcaption {
  padding: 0.85rem 1rem; font-size: 0.82rem; font-weight: 600;
  color: var(--navy); text-align: center;
}
.process-step:not(:has(img)) figcaption {
  padding: 1.35rem 1rem;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logistics-strip, .photo-strip, .photo-grid {
  display: grid; gap: 0.75rem; margin-top: 1.75rem;
}
.logistics-strip, .photo-strip { grid-template-columns: repeat(4, 1fr); }
.photo-grid { grid-template-columns: repeat(3, 1fr); }
.logistics-strip img, .photo-strip img, .photo-grid img {
  width: 100%; height: 160px; object-fit: cover;
  border-radius: var(--radius-sm); box-shadow: var(--shadow);
}
.final-cta {
  position: relative; min-height: 360px;
  display: flex; align-items: center;
  background-size: cover; background-position: center;
  color: #fff; overflow: hidden;
}
.final-cta-shade {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(15,28,46,0.92), rgba(15,28,46,0.55));
}
.final-cta-body { position: relative; z-index: 1; padding-block: 4rem; }
.final-cta-body h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 0.75rem; max-width: 640px;
}
.final-cta-body p { color: rgba(255,255,255,0.8); margin-bottom: 1.5rem; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; }

.solution-block { padding-block: clamp(3rem, 6vw, 4.5rem); border-top: 1px solid var(--border); }
.solution-block:first-of-type { border-top: 0; }
.solution-num {
  font-size: 0.8rem; font-weight: 800; letter-spacing: 0.12em;
  color: var(--orange); margin-bottom: 0.5rem;
}
.solution-cols {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem; margin-top: 2rem;
}
.solution-cols h4 { font-size: 0.95rem; color: var(--navy); margin-bottom: 0.85rem; }
.solution-cols .compact-list { margin-top: 0; }

.timeline { display: grid; gap: 1.5rem; margin-top: 2rem; }
.timeline-item {
  display: grid; grid-template-columns: 140px 1fr; gap: 1.5rem;
  padding: 1.5rem 0; border-top: 1px solid var(--border);
}
.timeline-item:first-child { border-top: 0; }
.timeline-stage {
  font-size: 0.78rem; font-weight: 800; letter-spacing: 0.12em;
  color: var(--orange); text-transform: uppercase;
}
.timeline-item h3 { font-size: 1.15rem; color: var(--navy); margin-bottom: 0.5rem; }
.timeline-item p { color: var(--text-muted); margin-bottom: 0.65rem; }
.timeline-item .cn { font-size: 0.92rem; color: var(--text-light); }

.results-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem; margin: 2.5rem 0;
}
.results-strip div {
  background: var(--navy); color: #fff; border-radius: var(--radius);
  padding: 1.25rem 1rem; text-align: center;
}
.results-strip strong {
  display: block; font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.35rem;
}
.results-strip span { font-size: 0.75rem; color: rgba(255,255,255,0.7); line-height: 1.35; }

.case-csr {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem; margin-top: 1.25rem;
}
.case-csr > div {
  background: var(--bg-alt); border-radius: var(--radius-sm);
  padding: 1rem 1.1rem; border: 1px solid var(--border);
}
.case-csr h5 {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--orange); margin-bottom: 0.4rem;
}
.case-csr p { font-size: 0.88rem; color: var(--text-muted); margin: 0; line-height: 1.55; }

.insight-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.insight-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.insight-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.insight-card img { width: 100%; height: 180px; object-fit: cover; }
.insight-card-body { padding: 1.5rem 1.6rem 1.75rem; flex: 1; display: flex; flex-direction: column; }
.insight-card time, .insight-meta {
  font-size: 0.78rem; color: var(--orange); font-weight: 600; letter-spacing: 0.04em;
}
.insight-card h3 {
  font-size: 1.1rem; color: var(--navy); margin: 0.55rem 0 0.75rem; line-height: 1.35;
}
.insight-card p { font-size: 0.9rem; color: var(--text-muted); flex: 1; }
.insight-card .read-more {
  margin-top: 1rem; font-size: 0.85rem; font-weight: 700; color: var(--orange);
}

.article { max-width: 820px; margin: 0 auto; }
.article-meta {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem;
  font-size: 0.85rem; color: var(--text-muted); margin-bottom: 2rem;
}
.article-meta span { color: var(--orange); font-weight: 600; }
.article h2 { font-size: 1.35rem; color: var(--navy); margin: 2.25rem 0 0.85rem; }
.article p { color: var(--text-muted); margin-bottom: 1rem; line-height: 1.85; }
.article .cn { color: var(--text-light); font-size: 0.95rem; }
.article ul { margin: 0.5rem 0 1.25rem; }
.article ul li {
  position: relative; padding-left: 1.2rem; color: var(--text-muted); margin-bottom: 0.4rem;
}
.article ul li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 0.4rem; height: 0.4rem; border-radius: 50%; background: var(--orange);
}
.related-products {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0 2rem;
}
.related-products span {
  display: inline-block; padding: 0.4rem 0.75rem;
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.82rem; color: var(--navy);
}
.qa-note {
  margin-top: 3rem; padding: 1.75rem 2rem;
  background: var(--bg-alt); border-left: 4px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.qa-note p { margin: 0; color: var(--text-muted); line-height: 1.8; }
.location-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem; margin-top: 1.5rem;
}
.location-grid img {
  width: 100%; height: 160px; object-fit: cover;
  border-radius: var(--radius-sm); box-shadow: var(--shadow);
}
.field input[type="file"] { padding: 0.65rem 0.85rem; font-size: 0.85rem; }

@media (max-width: 1024px) {
  .solution-cols { grid-template-columns: 1fr; }
  .case-csr { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .logistics-strip, .photo-strip { grid-template-columns: repeat(2, 1fr); }
  .photo-grid, .insight-grid, .location-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .photo-grid, .insight-grid, .location-grid, .logistics-strip, .photo-strip { grid-template-columns: 1fr; }
  .feature-grid--4 { grid-template-columns: 1fr; }
}