/* ============================================================
   Global Construction Machinery — Design System
   Palette: deep navy + safety amber. Lightweight, no frameworks.
   Logical properties used throughout → automatic RTL support.
   ============================================================ */

:root {
  --navy-900: #0b1524;
  --navy-800: #12203a;
  --navy-700: #1b2f52;
  --amber-500: #f6a821;
  --amber-600: #e09100;
  --bg: #f4f5f7;
  --surface: #ffffff;
  --text: #1f2430;
  --muted: #66707e;
  --border: #e2e6ec;
  --green: #25d366;
  --green-dark: #1eb356;
  --danger: #c0392b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 6px 24px rgba(11, 21, 36, 0.08);
  --shadow-lg: 0 14px 40px rgba(11, 21, 36, 0.14);
  --font: "Segoe UI", "Noto Sans Arabic", "Noto Sans", Tahoma, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --container: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--amber-600); }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 800; color: var(--navy-900); }

h1 { font-size: clamp(2rem, 4.6vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; }

.section { padding-block: 72px; }
.section-tight { padding-block: 48px; }
.section-alt { background: var(--surface); }
.section-dark { background: var(--navy-900); color: #d7dee9; }
.section-dark h2, .section-dark h3 { color: #fff; }

.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--amber-600);
  margin-bottom: 10px;
}
.section-head p { color: var(--muted); margin-top: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  line-height: 1.2;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary { background: var(--amber-500); color: var(--navy-900); }
.btn-primary:hover { background: var(--amber-600); color: var(--navy-900); box-shadow: 0 6px 18px rgba(246, 168, 33, 0.35); }

.btn-dark { background: var(--navy-800); color: #fff; }
.btn-dark:hover { background: var(--navy-700); color: #fff; }

.btn-outline { border-color: var(--border); color: var(--navy-800); background: transparent; }
.btn-outline:hover { border-color: var(--navy-700); }

.btn-whatsapp { background: var(--green); color: #fff; }
.btn-whatsapp:hover { background: var(--green-dark); color: #fff; box-shadow: 0 6px 18px rgba(37, 211, 102, 0.35); }

.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy-900);
  color: #fff;
  border-bottom: 3px solid var(--amber-500);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 14px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { width: 42px; height: 42px; flex-shrink: 0; }
.brand-name { font-weight: 800; font-size: 1.05rem; line-height: 1.15; color: #fff; }
.brand-name span { display: block; font-size: 0.72rem; font-weight: 500; color: #9fb0c7; letter-spacing: 0.06em; }

.main-nav ul { display: flex; gap: 28px; }
.main-nav a { color: #c7d2e0; font-weight: 600; font-size: 0.95rem; padding-block: 6px; position: relative; }
.main-nav a:hover, .main-nav a.active { color: var(--amber-500); }
.main-nav a.active::after {
  content: "";
  position: absolute;
  inset-inline-start: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--amber-500);
}

.lang-switch { display: flex; gap: 4px; background: rgba(255,255,255,0.08); padding: 4px; border-radius: 8px; }
.lang-switch button {
  border: 0; background: transparent; color: #b9c6d8;
  font: inherit; font-size: 0.8rem; font-weight: 700;
  padding: 6px 10px; border-radius: 6px; cursor: pointer;
}
.lang-switch button.active { background: var(--amber-500); color: var(--navy-900); }

.nav-toggle {
  display: none;
  background: transparent; border: 0; cursor: pointer;
  width: 40px; height: 40px; border-radius: 8px;
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 24px; height: 24px; stroke: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.38;
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,21,36,0.9) 0%, rgba(11,21,36,0.35) 60%, rgba(11,21,36,0.15) 100%);
}
[dir="rtl"] .hero-bg::after {
  background: linear-gradient(270deg, rgba(11,21,36,0.9) 0%, rgba(11,21,36,0.35) 60%, rgba(11,21,36,0.15) 100%);
}
.hero-inner {
  position: relative;
  padding-block: 110px;
  max-width: 760px;
}
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero h1 .accent { color: var(--amber-500); }
.hero p.lead { font-size: 1.15rem; color: #d3dcea; margin-bottom: 32px; max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.12);
  border-block-start: 1px solid rgba(255,255,255,0.12);
}
.stat { background: rgba(11,21,36,0.55); padding: 26px 20px; text-align: center; }
.stat .num { font-size: 1.7rem; font-weight: 800; color: var(--amber-500); }
.stat .lbl { font-size: 0.85rem; color: #b9c6d8; }

/* ---------- Category cards ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: block;
  color: inherit;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); color: inherit; }
.cat-card img { width: 100%; height: 210px; object-fit: cover; }
.cat-card-body { padding: 20px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.cat-card h3 { margin-bottom: 4px; }
.cat-card p { color: var(--muted); font-size: 0.9rem; }
.cat-card .arrow { color: var(--amber-600); font-weight: 800; font-size: 1.2rem; }

/* ---------- Machine cards ---------- */
.machine-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.machine-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.machine-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.machine-thumb { position: relative; }
.machine-thumb img { width: 100%; height: 200px; object-fit: cover; }
.machine-thumb .badge {
  position: absolute;
  top: 12px; inset-inline-start: 12px;
  background: var(--navy-900);
  color: var(--amber-500);
  font-size: 0.75rem; font-weight: 700;
  padding: 4px 10px; border-radius: 20px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.machine-body { padding: 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.machine-body h3 { font-size: 1.05rem; }
.machine-body .brand-line { color: var(--amber-600); font-weight: 700; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; }
.spec-row { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 0.85rem; color: var(--muted); }
.spec-row span { display: inline-flex; align-items: center; gap: 6px; }
.spec-row svg { width: 14px; height: 14px; color: var(--navy-700); }
.price-line { display: flex; align-items: baseline; gap: 8px; margin-top: 2px; }
.price { font-size: 1.35rem; font-weight: 800; color: var(--navy-900); }
.price-note { font-size: 0.78rem; color: var(--muted); }
.card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: auto; }
.card-actions .btn { padding: 10px 12px; font-size: 0.88rem; }

/* ---------- Why-us / feature cards ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  border-block-start: 4px solid var(--amber-500);
}
.feature-card .icon { width: 46px; height: 46px; border-radius: 10px; background: rgba(246,168,33,0.14); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.feature-card .icon svg { width: 24px; height: 24px; stroke: var(--amber-600); }
.feature-card h3 { font-size: 1.02rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--muted); }

/* ---------- Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
  position: relative;
}
.step .num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--amber-500);
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  font-size: 1.05rem;
}
.step h3 { font-size: 1rem; margin-bottom: 6px; }
.step p { font-size: 0.88rem; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy-800), var(--navy-900));
  color: #fff;
  border-radius: var(--radius);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: #b9c6d8; max-width: 560px; }

/* ---------- Filter bar ---------- */
.filter-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 28px;
}
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--muted);
  font: inherit; font-size: 0.85rem; font-weight: 600;
  padding: 7px 14px; border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.chip:hover { border-color: var(--navy-700); color: var(--navy-700); }
.chip.active { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.filter-controls { display: flex; flex-wrap: wrap; gap: 12px; margin-inline-start: auto; }
.filter-controls select, .filter-controls input[type="search"] {
  font: inherit; font-size: 0.88rem;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  min-width: 150px;
}
.filter-controls input[type="search"] { min-width: 210px; }
.results-line { font-size: 0.9rem; color: var(--muted); margin-bottom: 18px; }
.results-line strong { color: var(--navy-900); }
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); display: none; }
.empty-state svg { width: 56px; height: 56px; margin: 0 auto 14px; color: #c3cad4; }
.empty-state .btn { margin-top: 18px; }

/* ---------- Detail page ---------- */
.detail-wrap { display: grid; grid-template-columns: 1.25fr 1fr; gap: 36px; align-items: start; }
.detail-media img { border-radius: var(--radius); width: 100%; aspect-ratio: 4/3; object-fit: cover; box-shadow: var(--shadow); }
.detail-head { margin-bottom: 18px; }
.detail-head .brand-line { color: var(--amber-600); font-weight: 700; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; }
.detail-head h1 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-block: 8px 6px; }
.detail-price { font-size: 1.9rem; font-weight: 800; color: var(--navy-900); }
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.spec-table th, .spec-table td { text-align: start; padding: 12px 14px; border-block-end: 1px solid var(--border); }
.spec-table th { width: 42%; color: var(--muted); font-weight: 600; background: #f8f9fb; }
.spec-table th:first-child { border-start-start-radius: var(--radius-sm); border-end-start-radius: var(--radius-sm); }
.spec-table td { font-weight: 700; }
.inquiry-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.inquiry-panel .note { font-size: 0.82rem; color: var(--muted); text-align: center; }
.desc-block { margin-top: 48px; }
.desc-block h2 { margin-bottom: 16px; }
.desc-block p { color: var(--text); max-width: 780px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.notfound { text-align: center; padding-block: 80px; }
.notfound h1 { font-size: 2.4rem; }
.notfound p { color: var(--muted); margin-block: 12px 24px; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.about-grid img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-grid p { color: var(--muted); margin-bottom: 14px; }
.about-grid p strong { color: var(--text); }
.check-list li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; color: var(--muted); }
.check-list svg { width: 20px; height: 20px; stroke: var(--green); flex-shrink: 0; margin-top: 2px; }
.port-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.port-tags span {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-700);
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px; align-items: start; }
.form-card { background: var(--surface); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 700; font-size: 0.88rem; margin-bottom: 6px; color: var(--navy-900); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-hint { font-size: 0.8rem; color: var(--muted); margin-top: 10px; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.info-card .icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(246,168,33,0.14); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.info-card .icon svg { width: 22px; height: 22px; stroke: var(--amber-600); }
.info-card h4 { margin-bottom: 4px; font-size: 0.98rem; }
.info-card p, .info-card a { font-size: 0.92rem; color: var(--muted); }
.info-card a { color: var(--navy-700); font-weight: 600; }
.info-card a:hover { color: var(--amber-600); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 0.85rem; color: var(--muted); padding-block: 18px; }
.breadcrumb a { color: var(--navy-700); font-weight: 600; }
.breadcrumb .sep { margin-inline: 8px; color: #c3cad4; }

/* ---------- Page hero (inner) ---------- */
.page-hero {
  background: var(--navy-900);
  color: #fff;
  padding-block: 54px;
}
.page-hero h1 { color: #fff; }
.page-hero p { color: #b9c6d8; margin-top: 10px; max-width: 640px; }
.page-hero .accent { color: var(--amber-500); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #b9c6d8; margin-top: 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-block: 56px 40px;
}
.footer-grid h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.08em; }
.footer-grid p { font-size: 0.9rem; }
.footer-grid ul li { margin-bottom: 9px; }
.footer-grid ul a { color: #b9c6d8; font-size: 0.9rem; }
.footer-grid ul a:hover { color: var(--amber-500); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; font-size: 0.9rem; }
.footer-contact svg { width: 17px; height: 17px; stroke: var(--amber-500); flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  border-block-start: 1px solid rgba(255,255,255,0.1);
  padding-block: 18px;
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px; inset-inline-start: 50%;
  transform: translateX(-50%);
  background: var(--navy-900);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 200;
  max-width: 90vw;
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .machine-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .detail-wrap { grid-template-columns: 1fr; }
  .inquiry-panel { position: static; }
  .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    inset-inline: 0;
    background: var(--navy-900);
    border-block-start: 1px solid rgba(255,255,255,0.12);
    padding: 16px 20px 22px;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 14px; }
  .main-nav a { display: block; }
  .lang-switch { margin-inline-start: auto; }
  .cat-grid, .machine-grid, .related-grid { grid-template-columns: 1fr; }
  .feature-grid, .steps { grid-template-columns: 1fr; }
  .hero-inner { padding-block: 70px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .cta-band { padding: 32px 24px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .filter-controls { margin-inline-start: 0; width: 100%; }
  .filter-controls select, .filter-controls input[type="search"] { flex: 1 1 100%; min-width: 0; }
  .card-actions { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .section { padding-block: 52px; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .stat { padding: 18px 12px; }
}