/* =============================================================
   NMI MARINE — Main Stylesheet
   Domain: nmi-marine.com.sa
   Brand colours: #015B94 (navy), #F68B1E (orange)
   ============================================================= */

/* ---- Reset & Base ------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  color: #1a1a1a;
  background: #ffffff;
  line-height: 1.65;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- CSS Custom Properties --------------------------------- */
:root {
  --navy:    #015B94;
  --orange:  #F68B1E;
  --dark:    #0d1b2a;
  --mid:     #4a5568;
  --light:   #f4f7fb;
  --white:   #ffffff;
  --border:  #dde3ec;
  --radius:  6px;
  --shadow:  0 2px 12px rgba(1,91,148,.10);
  --shadow-lg: 0 8px 32px rgba(1,91,148,.14);
  --transition: .25s ease;
  --max-w:   1200px;
}

/* ---- Typography -------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: 'Segoe UI', system-ui, Arial, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--mid);
}

/* ---- Layout helpers ---------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section { padding-block: 5rem; }
.section--sm { padding-block: 3rem; }
.section--lg { padding-block: 7rem; }

/* ---- Buttons ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}
.btn--primary:hover {
  background: #d4710e;
  border-color: #d4710e;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(246,139,30,.35);
}

.btn--secondary {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn--secondary:hover {
  background: var(--white);
  color: var(--navy);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn--outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--lg {
  padding: .9rem 2.25rem;
  font-size: 1rem;
}

/* ---- Site Header ------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1rem;
}

.header-logo img {
  height: 44px;
  width: auto;
}

/* Main nav */
.site-nav { display: flex; align-items: center; gap: .25rem; }

.site-nav a {
  display: block;
  padding: .5rem .85rem;
  font-size: .88rem;
  font-weight: 600;
  color: var(--dark);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.site-nav a:hover,
.site-nav a.active {
  color: var(--navy);
  background: var(--light);
}
.site-nav a.active { color: var(--orange); background: transparent; }

/* Header CTA */
.header-cta {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}

.header-phone {
  font-size: .85rem;
  font-weight: 700;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: .35rem;
  white-space: nowrap;
}
.header-phone svg { color: var(--orange); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  border-radius: var(--radius);
  transition: background var(--transition);
}
.nav-toggle:hover { background: var(--light); }
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Site Footer ------------------------------------------- */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.85);
  padding-top: 4rem;
  font-size: .9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.footer-brand img { height: 44px; margin-bottom: 1.25rem; }
.footer-brand p { color: rgba(255,255,255,.7); line-height: 1.7; }

.footer-col h4 {
  color: var(--white);
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-col ul li a {
  color: rgba(255,255,255,.7);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--orange); }

.footer-contact { display: flex; flex-direction: column; gap: .75rem; }
.footer-contact a {
  color: rgba(255,255,255,.8);
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--orange); }
.footer-contact svg { flex-shrink: 0; margin-top: 2px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-bottom p { color: rgba(255,255,255,.5); font-size: .82rem; }

/* ---- Hero -------------------------------------------------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #01406a 60%, #012d4a 100%);
  color: var(--white);
  padding-block: 7rem 6rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 400'%3E%3Cpath d='M0 300 Q200 200 400 280 T800 240 L800 400 L0 400Z' fill='rgba(246,139,30,.06)'/%3E%3Cpath d='M0 350 Q300 250 600 320 T800 300 L800 400 L0 400Z' fill='rgba(246,139,30,.04)'/%3E%3C/svg%3E") bottom / cover no-repeat;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content { }

.hero-kicker {
  display: inline-block;
  background: rgba(246,139,30,.18);
  color: var(--orange);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .35rem .9rem;
  border-radius: 3px;
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--orange);
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.25rem;
}
.hero h1 em {
  font-style: normal;
  color: var(--orange);
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.82);
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

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

.hero-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-top: 3px solid var(--orange);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
}
.hero-card h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: .6rem;
}
.hero-card p { color: rgba(255,255,255,.72); font-size: .9rem; margin: 0; }

/* ---- Proof strip ------------------------------------------- */
.proof-strip {
  background: var(--orange);
  color: var(--white);
  padding-block: 1rem;
}
.proof-items {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}
.proof-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 600;
  font-size: .88rem;
  white-space: nowrap;
}
.proof-item svg { opacity: .85; flex-shrink: 0; }
.proof-sep {
  width: 1px;
  height: 1.25rem;
  background: rgba(255,255,255,.4);
}

/* ---- Certifications band ----------------------------------- */
.certs-band {
  background: var(--light);
  padding-block: 3.5rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.certs-band .section-label {
  text-align: center;
  margin-bottom: 2rem;
}
.certs-badges {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
}
.cert-badge {
  display: inline-block;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 4px;
  padding: .45rem 1rem;
  font-size: .82rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .04em;
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.cert-badge:hover {
  border-color: var(--navy);
  box-shadow: var(--shadow-lg);
}

/* ---- Section label / eyebrow ------------------------------- */
.section-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: .75rem;
}
.section-label--white { color: rgba(255,255,255,.7); }

/* ---- Sector grid ------------------------------------------- */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.sector-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.sector-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--navy);
}

.sector-icon {
  width: 48px;
  height: 48px;
  background: var(--light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  flex-shrink: 0;
}

.sector-card h3 { font-size: 1.05rem; color: var(--navy); margin: 0; }
.sector-card p { font-size: .9rem; color: var(--mid); margin: 0; flex: 1; }
.sector-card .card-link {
  font-size: .85rem;
  font-weight: 700;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: .3rem;
  margin-top: auto;
  transition: gap var(--transition);
}
.sector-card:hover .card-link { gap: .6rem; }

/* ---- Heritage block ---------------------------------------- */
.heritage-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.heritage-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.stat-card {
  background: var(--light);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.stat-card .stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}
.stat-card .stat-label {
  font-size: .82rem;
  color: var(--mid);
  margin-top: .25rem;
}

.heritage-visual {
  background: var(--navy);
  border-radius: 8px;
  padding: 3rem 2.5rem;
  color: var(--white);
}
.project-list { display: flex; flex-direction: column; gap: 1.25rem; }
.project-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.project-item:last-child { border-bottom: none; padding-bottom: 0; }
.project-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
}
.project-item span { font-size: .95rem; color: rgba(255,255,255,.85); }

/* ---- Closing CTA banner ------------------------------------ */
.cta-band {
  background: linear-gradient(135deg, var(--navy) 0%, #01406a 100%);
  color: var(--white);
  padding-block: 5rem;
  text-align: center;
}
.cta-band h2 { color: var(--white); margin-bottom: .75rem; }
.cta-band p { color: rgba(255,255,255,.8); margin-bottom: 2rem; max-width: 600px; margin-inline: auto; margin-bottom: 2rem; }
.cta-band .cta-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---- Page hero (inner pages) ------------------------------- */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #01406a 100%);
  color: var(--white);
  padding-block: 4.5rem 4rem;
}
.page-hero h1 { color: var(--white); margin-bottom: .75rem; }
.page-hero .lead { color: rgba(255,255,255,.82); max-width: 680px; }

/* ---- Service cards (for 3-col sections) -------------------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 4px solid var(--navy);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
}
.service-card h3 {
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.service-card h3 svg { color: var(--orange); flex-shrink: 0; }
.service-card ul { display: flex; flex-direction: column; gap: .55rem; }
.service-card ul li {
  padding-left: 1.1rem;
  position: relative;
  font-size: .9rem;
  color: var(--mid);
  line-height: 1.5;
}
.service-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

/* ---- Two-col content sections ------------------------------ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.content-block h2 { margin-bottom: 1rem; }
.content-block h3 {
  color: var(--navy);
  margin-top: 2rem;
  margin-bottom: .75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.content-block h3:first-of-type { border-top: none; margin-top: 0; }
.content-block ul {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  margin-top: .5rem;
}
.content-block ul li {
  padding-left: 1.25rem;
  position: relative;
  font-size: .93rem;
  color: var(--mid);
  line-height: 1.6;
}
.content-block ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .58em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

/* ---- Info sidebar ------------------------------------------ */
.info-sidebar {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-card {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
}
.info-card h4 {
  color: var(--navy);
  margin-bottom: 1rem;
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.software-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .5rem; }
.sw-tag {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 4px;
  padding: .3rem .8rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--navy);
}

/* ---- Certifications page blocks ---------------------------- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.cert-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--navy);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.cert-card code {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
  font-family: 'Courier New', monospace;
  margin-bottom: .4rem;
}
.cert-card p { font-size: .88rem; color: var(--mid); margin: 0; }

.standards-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1rem;
}
.std-badge {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .35rem .85rem;
  font-size: .82rem;
  font-weight: 600;
  color: var(--dark);
}

/* ---- Projects block ---------------------------------------- */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}
.project-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition);
}
.project-card:hover { box-shadow: var(--shadow-lg); }
.project-badge {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  text-align: center;
  flex-shrink: 0;
  width: 72px;
}
.project-badge svg { margin-inline: auto; }

/* ---- Contact form ------------------------------------------ */
.contact-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}
.contact-form-wrap h2 { margin-bottom: .5rem; }
.contact-form-wrap .lead { margin-bottom: 2rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.form-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--dark);
}
.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: .65rem 1rem;
  font-size: .93rem;
  font-family: inherit;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(1,91,148,.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }

.form-note {
  background: rgba(246,139,30,.08);
  border-left: 3px solid var(--orange);
  border-radius: 3px;
  padding: .75rem 1rem;
  font-size: .85rem;
  color: var(--mid);
  margin-bottom: 1.5rem;
}

.contact-sidebar { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-card {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
}
.contact-card h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 1.25rem;
}
.contact-card .contact-item {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  margin-bottom: 1rem;
  font-size: .9rem;
  color: rgba(255,255,255,.82);
}
.contact-card .contact-item:last-child { margin-bottom: 0; }
.contact-card .contact-item svg { color: var(--orange); flex-shrink: 0; margin-top: 1px; }
.contact-card .contact-item a {
  color: rgba(255,255,255,.9);
  transition: color var(--transition);
}
.contact-card .contact-item a:hover { color: var(--orange); }

.map-placeholder {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.map-placeholder iframe {
  width: 100%;
  height: 280px;
  border: none;
  display: block;
}

/* ---- Success / Error notices ------------------------------- */
.form-success {
  display: none;
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-top: 1rem;
}
.form-error {
  display: none;
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-top: 1rem;
}

/* ---- Breadcrumb -------------------------------------------- */
.breadcrumb {
  padding-block: .75rem;
  border-bottom: 1px solid var(--border);
  font-size: .82rem;
  color: var(--mid);
}
.breadcrumb a { color: var(--navy); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb span { color: var(--mid); }

/* ---- 404 page ---------------------------------------------- */
.not-found {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem;
}
.not-found .err-code {
  font-size: 6rem;
  font-weight: 900;
  color: var(--navy);
  line-height: 1;
  opacity: .18;
}

/* ---- Utility classes --------------------------------------- */
.text-center { text-align: center; }
.text-navy   { color: var(--navy); }
.text-orange { color: var(--orange); }
.text-white  { color: var(--white); }
.text-mid    { color: var(--mid); }
.mt-1  { margin-top: .5rem; }
.mt-2  { margin-top: 1rem; }
.mt-3  { margin-top: 1.5rem; }
.mt-4  { margin-top: 2rem; }
.mb-2  { margin-bottom: 1rem; }
.mb-3  { margin-bottom: 1.5rem; }
.mb-4  { margin-bottom: 2rem; }

.bg-light  { background: var(--light); }
.bg-navy   { background: var(--navy); }
.bg-white  { background: var(--white); }

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin-block: 2.5rem;
}

.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
}

/* ---- Responsive -------------------------------------------- */
@media (max-width: 1100px) {
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-pair  { grid-template-columns: 1fr; }
  .heritage-block { grid-template-columns: 1fr; gap: 2.5rem; }
  .two-col { grid-template-columns: 1fr; gap: 2.5rem; }
  .info-sidebar { position: static; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .certs-grid { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
    z-index: 800;
    gap: .25rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: .65rem 1rem; font-size: .95rem; }

  .nav-toggle { display: flex; }
  .header-phone { display: none; }

  .hero { padding-block: 4.5rem 3.5rem; }
  .section { padding-block: 3.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .sector-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .proof-items { gap: 1rem; }
  .proof-sep { display: none; }

  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.45rem; }
}

@media (max-width: 480px) {
  .container { padding-inline: 1rem; }
  .hero-btns { flex-direction: column; }
  .cta-btns { flex-direction: column; align-items: center; }
  .contact-form-wrap { padding: 1.5rem; }
  .heritage-stats { grid-template-columns: 1fr; }
}

/* ---- Language switch (EN | AR) ------------------------------ */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  padding: .3rem .6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
}
.lang-switch a { color: var(--mid); transition: color var(--transition); }
.lang-switch a:hover { color: var(--navy); }
.lang-switch strong { color: var(--navy); font-weight: 800; }
.lang-switch span { color: var(--border); }
@media (max-width: 900px) { .lang-switch { padding: .25rem .45rem; font-size: .75rem; } }