/* ============================================================
   ALNIMU WALIZDIHAR EST. — Marine & Industrial Engine Repair
   Design system: deep marine navy / steel off-white / safety orange
   ============================================================ */

:root {
  /* primitives */
  --navy-900: #071a2b;
  --navy-800: #0a2237;
  --navy-700: #0e2b46;
  --navy-600: #16395c;
  --navy-500: #1f4a75;
  --steel-100: #eef2f5;
  --steel-200: #dde5eb;
  --steel-300: #c3cfd9;
  --steel-500: #5c6f80;
  --steel-700: #33475a;
  --orange-600: #d9500b;
  --orange-500: #e8590c;
  --orange-400: #f2701f;
  --white: #ffffff;
  --ink: #132433;

  /* semantic */
  --bg: var(--steel-100);
  --bg-alt: var(--white);
  --surface-dark: var(--navy-800);
  --surface-darker: var(--navy-900);
  --surface-card: var(--white);
  --text: var(--ink);
  --text-muted: var(--steel-500);
  --text-on-dark: var(--steel-100);
  --text-on-dark-muted: #9fb3c4;
  --accent: var(--orange-500);
  --accent-hover: var(--orange-400);
  --accent-press: var(--orange-600);
  --line: var(--steel-200);
  --line-dark: rgba(159, 179, 196, .22);

  --font-display: "Rajdhani", "Tajawal", sans-serif;
  --font-body: "Barlow", "Tajawal", sans-serif;

  --radius: 2px;
  --shadow: 0 1px 2px rgba(7, 26, 43, .08), 0 8px 24px rgba(7, 26, 43, .10);
  --container: 1180px;
  --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
[dir="rtl"] body, [dir="rtl"] { font-family: var(--font-body); }
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3, [dir="rtl"] .btn, [dir="rtl"] .nav a, [dir="rtl"] .brand-name { font-family: "Tajawal", sans-serif; letter-spacing: 0; }

img { max-width: 100%; display: block; }
a { color: var(--navy-600); }
a:hover { color: var(--accent); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  color: var(--navy-700);
  text-transform: uppercase;
  letter-spacing: .01em;
}
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3, [dir="rtl"] h4 { text-transform: none; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: 24px; }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset-inline: 0; top: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(7, 26, 43, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-dark);
}
.site-header .container {
  height: 100%; display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-inline-end: auto; }
.brand-mark {
  width: 42px; height: 42px; flex: none;
  display: grid; place-items: center;
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-display); font-weight: 700; font-size: 20px;
  clip-path: polygon(0 0, 100% 0, 100% 78%, 78% 100%, 0 100%);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 19px;
  color: var(--white); letter-spacing: .04em; text-transform: uppercase;
}
.brand-sub { font-size: 11.5px; color: var(--text-on-dark-muted); letter-spacing: .12em; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  font-family: var(--font-display); font-weight: 600; font-size: 16px;
  color: var(--text-on-dark-muted); text-decoration: none;
  padding: 10px 14px; text-transform: uppercase; letter-spacing: .06em;
  border-bottom: 2px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.main-nav a:hover { color: var(--white); }
.main-nav a[aria-current="page"] { color: var(--white); border-bottom-color: var(--accent); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  background: transparent; color: var(--text-on-dark);
  border: 1px solid var(--line-dark); border-radius: var(--radius);
  padding: 8px 14px; cursor: pointer;
  transition: border-color .18s ease, color .18s ease;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent-hover); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line-dark);
  border-radius: var(--radius); width: 44px; height: 44px; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--text-on-dark); transition: transform .2s ease, opacity .2s ease; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 17px;
  text-transform: uppercase; letter-spacing: .06em; text-decoration: none;
  padding: 14px 28px; border-radius: var(--radius); border: 2px solid transparent;
  cursor: pointer; transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-hover); color: var(--white); }
.btn-ghost { border-color: var(--line-dark); color: var(--text-on-dark); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-hover); }
.btn-outline { border-color: var(--navy-600); color: var(--navy-700); }
.btn-outline:hover { background: var(--navy-700); color: var(--white); }
.btn:focus-visible, .lang-toggle:focus-visible, .nav-toggle:focus-visible,
a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: flex-end;
  color: var(--text-on-dark);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,26,43,.55) 0%, rgba(7,26,43,.25) 40%, rgba(7,26,43,.88) 100%);
}
.hero-inner { position: relative; z-index: 2; width: 100%; padding-bottom: 84px; padding-top: calc(var(--header-h) + 48px); }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent-hover);
  margin-bottom: 18px;
}
.hero-kicker::before { content: ""; width: 44px; height: 3px; background: var(--accent); }
.hero h1 {
  color: var(--white); font-size: clamp(40px, 6.4vw, 76px);
  max-width: 14ch; margin-bottom: 20px;
}
.hero p.lede { font-size: clamp(17px, 1.6vw, 20px); max-width: 58ch; color: var(--steel-200); margin-bottom: 34px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-stats {
  position: relative; z-index: 2;
  margin-top: 56px; padding-top: 28px;
  border-top: 1px solid var(--line-dark);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.hero-stats .stat b {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(28px, 3vw, 40px); color: var(--white); line-height: 1;
}
.hero-stats .stat b i { font-style: normal; color: var(--accent); }
.hero-stats .stat span { font-size: 14px; color: var(--text-on-dark-muted); text-transform: uppercase; letter-spacing: .08em; }

/* ---------- sections ---------- */
.section { padding: 96px 0; }
.section-dark { background: var(--surface-dark); color: var(--text-on-dark); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-alt { background: var(--bg-alt); }

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head .kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-weight: 600; font-size: 14px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 14px;
}
.section-head .kicker::before { content: ""; width: 36px; height: 3px; background: var(--accent); }
.section-head h2 { font-size: clamp(30px, 3.6vw, 44px); margin-bottom: 16px; }
.section-head p { color: var(--text-muted); font-size: 18px; }
.section-dark .section-head p { color: var(--text-on-dark-muted); }

/* ---------- service cards ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: var(--surface-card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.service-card figure { aspect-ratio: 3 / 2; overflow: hidden; }
.service-card figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover figure img { transform: scale(1.04); }
.service-card .card-body { padding: 26px 26px 30px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.service-card h3 { font-size: 22px; }
.service-card p { color: var(--text-muted); font-size: 16px; flex: 1; }
.card-link {
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  color: var(--accent); margin-top: 6px;
}
.card-link:hover { color: var(--accent-press); }

/* ---------- afloat band ---------- */
.afloat { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.afloat-media { position: relative; }
.afloat-media img { border-radius: var(--radius); box-shadow: 0 24px 60px rgba(0,0,0,.45); }
.afloat-media .tag {
  position: absolute; inset-inline-start: -14px; top: 28px;
  background: var(--accent); color: var(--white);
  font-family: var(--font-display); font-weight: 700; font-size: 14px;
  letter-spacing: .14em; text-transform: uppercase; padding: 10px 18px;
}
.afloat h2 { font-size: clamp(30px, 3.4vw, 42px); margin-bottom: 18px; }
.afloat p { color: var(--text-on-dark-muted); margin-bottom: 16px; }
.afloat-list { list-style: none; margin: 26px 0 34px; display: grid; gap: 14px; }
.afloat-list li { display: flex; gap: 14px; align-items: flex-start; color: var(--steel-200); }
.afloat-list svg { flex: none; margin-top: 3px; color: var(--accent); }

/* ---------- clients ---------- */
.clients-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.client-tile {
  border: 1px solid var(--line-dark); border-radius: var(--radius);
  padding: 34px 24px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 10px; justify-content: center;
  transition: border-color .2s ease, background .2s ease;
}
.client-tile:hover { border-color: var(--accent); background: rgba(232, 89, 12, .06); }
.client-tile .client-mark {
  width: 56px; height: 56px; display: grid; place-items: center;
  border: 2px solid var(--accent); color: var(--accent);
  font-family: var(--font-display); font-weight: 700; font-size: 22px;
  clip-path: polygon(0 0, 100% 0, 100% 78%, 78% 100%, 0 100%);
}
.client-tile b { font-family: var(--font-display); font-size: 20px; letter-spacing: .1em; color: var(--white); text-transform: uppercase; }
.client-tile span { font-size: 13.5px; color: var(--text-on-dark-muted); }

/* ---------- gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 14px; }
.gallery figure { position: relative; overflow: hidden; border-radius: var(--radius); margin: 0; }
.gallery figure:first-child { grid-column: span 2; grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gallery figure:hover img { transform: scale(1.05); }
.gallery figcaption {
  position: absolute; inset-inline: 0; bottom: 0; padding: 30px 16px 12px;
  background: linear-gradient(180deg, transparent, rgba(7,26,43,.85));
  color: var(--steel-100); font-size: 14px; font-weight: 600; letter-spacing: .04em;
}

/* ---------- page hero (inner pages) ---------- */
.page-hero {
  position: relative; padding: calc(var(--header-h) + 88px) 0 72px;
  background: var(--surface-darker); color: var(--text-on-dark); overflow: hidden;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: var(--white); font-size: clamp(34px, 5vw, 58px); max-width: 18ch; }
.page-hero p { color: var(--text-on-dark-muted); max-width: 62ch; margin-top: 14px; font-size: 18px; }
.page-hero .kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-weight: 600; font-size: 14px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent-hover);
  margin-bottom: 14px;
}
.page-hero .kicker::before { content: ""; width: 36px; height: 3px; background: var(--accent); }
.page-hero-bg { position: absolute; inset: 0; opacity: .28; }
.page-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,26,43,.95), rgba(7,26,43,.55)); }

/* ---------- about page ---------- */
.about-cols { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: start; }
.about-cols h2 { font-size: clamp(28px, 3vw, 38px); margin-bottom: 18px; }
.about-cols p { color: var(--text-muted); margin-bottom: 16px; }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-media .exp-badge {
  position: absolute; inset-inline-end: -16px; bottom: -16px;
  background: var(--navy-700); color: var(--white); padding: 22px 26px;
  clip-path: polygon(0 0, 100% 0, 100% 78%, 78% 100%, 0 100%);
}
.about-media .exp-badge b { display: block; font-family: var(--font-display); font-size: 34px; line-height: 1; color: var(--accent-hover); }
.about-media .exp-badge span { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--steel-300); }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.value-card { border: 1px solid var(--line); border-top: 4px solid var(--accent); background: var(--surface-card); padding: 30px 28px; border-radius: var(--radius); }
.value-card h3 { font-size: 21px; margin-bottom: 10px; }
.value-card p { color: var(--text-muted); font-size: 16px; }

/* ---------- services page ---------- */
.svc-rows { display: grid; gap: 0; }
.svc-row {
  display: grid; grid-template-columns: 420px 1fr; gap: 48px; align-items: center;
  padding: 44px 0; border-bottom: 1px solid var(--line);
}
.svc-row:first-child { padding-top: 0; }
.svc-row:last-child { border-bottom: 0; }
.svc-row:nth-child(even) { direction: rtl; }
.svc-row:nth-child(even) > * { direction: ltr; }
[dir="rtl"] .svc-row:nth-child(even) { direction: ltr; }
[dir="rtl"] .svc-row:nth-child(even) > * { direction: rtl; }
.svc-row figure { margin: 0; overflow: hidden; border-radius: var(--radius); }
.svc-row img { width: 100%; aspect-ratio: 3/2; object-fit: cover; transition: transform .5s ease; }
.svc-row:hover img { transform: scale(1.03); }
.svc-row h2 { font-size: clamp(24px, 2.6vw, 32px); margin-bottom: 12px; }
.svc-row p { color: var(--text-muted); margin-bottom: 16px; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.svc-tags li {
  font-size: 13.5px; font-weight: 600; letter-spacing: .04em;
  border: 1px solid var(--steel-300); color: var(--steel-700);
  padding: 6px 12px; border-radius: 999px;
}

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-info h2 { font-size: 30px; margin-bottom: 16px; }
.contact-info > p { color: var(--text-muted); margin-bottom: 28px; }
.contact-methods { display: grid; gap: 14px; margin-bottom: 30px; }
.contact-method {
  display: flex; align-items: center; gap: 16px; text-decoration: none;
  background: var(--surface-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 20px; transition: border-color .18s ease;
}
a.contact-method:hover { border-color: var(--accent); }
.contact-method .ic { width: 46px; height: 46px; flex: none; display: grid; place-items: center; background: var(--navy-700); color: var(--white); border-radius: var(--radius); }
.contact-method small { display: block; font-size: 12.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-muted); }
.contact-method b { font-size: 17px; color: var(--ink); }

.contact-form { background: var(--surface-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.contact-form h3 { font-size: 24px; margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; display: flex; flex-direction: column; gap: 7px; }
.field label { font-weight: 600; font-size: 14.5px; letter-spacing: .04em; color: var(--steel-700); }
.field input, .field select, .field textarea {
  font: inherit; color: var(--ink);
  border: 1px solid var(--steel-300); border-radius: var(--radius);
  padding: 12px 14px; background: var(--steel-100);
  transition: border-color .18s ease, background .18s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--navy-600); background: var(--white); outline: none; box-shadow: 0 0 0 3px rgba(22,57,92,.15); }
.field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 13.5px; color: var(--text-muted); margin-top: 14px; }
.form-status { margin-top: 14px; font-weight: 600; color: var(--navy-600); }

/* ---------- case studies ---------- */
.case-row {
  display: grid; grid-template-columns: 460px 1fr; gap: 48px; align-items: start;
  padding: 48px 0; border-bottom: 1px solid var(--line);
}
.case-row:first-of-type { padding-top: 8px; }
.case-row:last-of-type { border-bottom: 0; }
.case-row:nth-child(even) { direction: rtl; }
.case-row:nth-child(even) > * { direction: ltr; }
[dir="rtl"] .case-row:nth-child(even) { direction: ltr; }
[dir="rtl"] .case-row:nth-child(even) > * { direction: rtl; }
.case-figure { position: relative; margin: 0; overflow: hidden; border-radius: var(--radius); }
.case-figure img { width: 100%; aspect-ratio: 3/2; object-fit: cover; transition: transform .5s ease; }
.case-row:hover .case-figure img { transform: scale(1.03); }
.case-badge {
  position: absolute; top: 14px; inset-inline-start: 14px;
  background: var(--accent); color: var(--white);
  font-family: var(--font-display); font-weight: 700; font-size: 13px;
  letter-spacing: .12em; text-transform: uppercase; padding: 7px 14px;
}
.case-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 14px; }
.case-meta span { font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }
.case-meta b { color: var(--accent-press); }
.case-row h2 { font-size: clamp(24px, 2.6vw, 32px); margin-bottom: 14px; }
.case-row > div > p { color: var(--text-muted); margin-bottom: 14px; }
.case-result {
  border-inline-start: 4px solid var(--accent); background: var(--white);
  padding: 18px 22px; border-radius: var(--radius);
  font-size: 16px;
}
.case-result b { font-family: var(--font-display); letter-spacing: .06em; text-transform: uppercase; color: var(--navy-700); display: block; margin-bottom: 4px; font-size: 15px; }
.case-gallery { display: flex; gap: 10px; margin-top: 16px; }
.case-gallery img { width: 96px; height: 72px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); cursor: pointer; transition: transform .18s ease; }
.case-gallery img:hover { transform: scale(1.05); }

@media (max-width: 860px) {
  .case-row { grid-template-columns: 1fr; gap: 24px; }
}

/* ---------- CTA band ---------- */
.cta-band { background: var(--accent); color: var(--white); }
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding-block: 44px; flex-wrap: wrap; }
.cta-band h2 { color: var(--white); font-size: clamp(24px, 3vw, 34px); }
.cta-band p { color: rgba(255,255,255,.85); margin-top: 6px; }
.cta-band .btn { background: var(--navy-800); color: var(--white); }
.cta-band .btn:hover { background: var(--navy-900); }

/* ---------- footer ---------- */
.site-footer { background: var(--surface-darker); color: var(--text-on-dark-muted); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; padding-bottom: 48px; }
.site-footer h4 { color: var(--white); font-size: 17px; letter-spacing: .1em; margin-bottom: 18px; }
.site-footer ul { list-style: none; display: grid; gap: 10px; }
.site-footer a { color: var(--text-on-dark-muted); text-decoration: none; }
.site-footer a:hover { color: var(--accent-hover); }
.footer-brand p { font-size: 15px; margin-top: 14px; max-width: 34ch; }
.footer-bottom {
  border-top: 1px solid var(--line-dark); padding: 20px 0;
  font-size: 14px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* ---------- floating WhatsApp ---------- */
.wa-float {
  position: fixed; inset-inline-end: 22px; bottom: 22px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; color: #fff; display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
  transition: transform .18s ease;
}
.wa-float:hover { transform: scale(1.06); color: #fff; }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation: none !important; transition-duration: .01ms !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-strip { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery figure:first-child { grid-column: span 2; grid-row: span 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .afloat, .about-cols, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .svc-row { grid-template-columns: 1fr; gap: 22px; }
  .values-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: var(--header-h); inset-inline: 0;
    background: var(--navy-900); flex-direction: column; align-items: stretch;
    padding: 12px 24px 24px; gap: 2px;
    border-bottom: 1px solid var(--line-dark);
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .main-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .main-nav a { padding: 14px 6px; font-size: 18px; border-bottom: 1px solid var(--line-dark); }
  .main-nav a[aria-current="page"] { border-bottom-color: var(--accent); }
  .brand-sub { display: none; }
  .header-actions .btn { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  .services-grid, .clients-strip, .gallery, .hero-stats, .form-row { grid-template-columns: 1fr; }
  .gallery figure:first-child { grid-column: span 1; }
  .hero-cta .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 26px 20px; }
}