/* ═══════════════════════════════════════════════════════
   ADL TECHNOLOGIES LTD — PREMIUM CORPORATE STYLESHEET
   Design System: Corporate Minimalism + Glassmorphism
   Colors: #002B5B / #005792 / #F5A623 / #0A192F
═══════════════════════════════════════════════════════ */

/* ── TOKENS ─────────────────────────────────────────── */
:root {
  --c-primary:   #002B5B;
  --c-secondary: #005792;
  --c-accent:    #F5A623;
  --c-dark:      #0A192F;
  --c-light:     #F8F9FA;
  --c-white:     #FFFFFF;
  --c-text:      #1A2B3C;
  --c-muted:     #6B7A8D;
  --c-border:    rgba(0,43,91,.12);
  --c-glass:     rgba(255,255,255,.08);
  --c-glass-border: rgba(255,255,255,.15);

  --shadow-sm:   0 2px 8px rgba(0,43,91,.08);
  --shadow-md:   0 8px 32px rgba(0,43,91,.12);
  --shadow-lg:   0 24px 64px rgba(0,43,91,.16);
  --shadow-xl:   0 40px 80px rgba(0,43,91,.2);

  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-xl:   32px;

  --nav-h:       80px;
  --transition:  cubic-bezier(.25,.46,.45,.94);

  --font-head:   'Playfair Display', Georgia, serif;
  --font-body:   'Inter', system-ui, -apple-system, sans-serif;
}

/* ── RESET ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-white);
  overflow-x: hidden;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ── SKIP LINK ───────────────────────────────────────── */
.skip-link {
  position: absolute; top: -40px; left: 1rem;
  background: var(--c-accent); color: var(--c-dark);
  padding: .5rem 1rem; border-radius: var(--radius-sm);
  font-weight: 600; z-index: 9999;
  transition: top .2s;
}
.skip-link:focus { top: 1rem; }

/* ── LOADER ──────────────────────────────────────────── */
#loader {
  position: fixed; inset: 0; z-index: 9000;
  background: var(--c-dark);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s var(--transition), visibility .6s;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-inner { text-align: center; }
.loader-logo {
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.logo-adl {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--c-white);
  letter-spacing: .1em;
  animation: pulse-logo 1.5s ease-in-out infinite;
}
@keyframes pulse-logo {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:.7; transform:scale(.97); }
}
.loader-bar {
  width: 200px; height: 3px;
  background: rgba(255,255,255,.15);
  border-radius: 99px; overflow: hidden;
}
.loader-bar span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--c-accent), #FFD580);
  border-radius: 99px;
  animation: loader-fill 1.8s var(--transition) forwards;
}
@keyframes loader-fill { from { width:0 } to { width:100% } }
.loader-inner p {
  margin-top: 1rem;
  color: rgba(255,255,255,.5);
  font-size: .875rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}

/* ── CONTAINER ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
}

/* ── SECTION SPACING ─────────────────────────────────── */
.section { padding: clamp(5rem, 10vw, 8rem) 0; }

/* ── TYPOGRAPHY SYSTEM ───────────────────────────────── */
.section-tag {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .75rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1rem;
}
.section-tag::before {
  content: '';
  display: block; width: 24px; height: 2px;
  background: var(--c-accent);
}
.section-tag.light { color: var(--c-accent); }

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--c-primary);
  margin-bottom: 1rem;
}
.section-sub {
  font-size: 1.0625rem;
  color: var(--c-muted);
  max-width: 54ch;
  line-height: 1.7;
}
.text-accent { color: var(--c-accent); }

.section-header {
  text-align: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.section-header .section-tag {
  justify-content: center;
}
.section-header .section-tag::before { display: none; }
.section-header .section-sub { margin: 0 auto; }
.section-header.light .section-title { color: var(--c-white); }

/* ── BUTTONS ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .875rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: .9375rem;
  letter-spacing: .02em;
  transition: all .25s var(--transition);
  cursor: pointer; border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-accent), #E8941A);
  color: var(--c-dark);
  box-shadow: 0 4px 20px rgba(245,166,35,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(245,166,35,.45);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  border-color: rgba(255,255,255,.5);
  color: var(--c-white);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--c-white);
  transform: translateY(-2px);
}
.btn-lg { padding: 1.125rem 2.5rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

/* ── GLASSMORPHISM CARDS ─────────────────────────────── */
.glass-card {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.6);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
}
.glass-card-dark {
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
}

/* ══════════════════════════════════════════════════════
   NAVIGATION
══════════════════════════════════════════════════════ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background .35s var(--transition), box-shadow .35s var(--transition);
}
#navbar.scrolled {
  background: rgba(0,15,35,.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 32px rgba(0,0,0,.3);
}

.nav-container {
  max-width: 1280px; margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-brand { display: flex; align-items: center; gap: .75rem; }
.brand-logo {
  display: flex; flex-direction: column;
  line-height: 1;
}
.brand-adl {
  font-family: var(--font-head);
  font-size: 1.75rem; font-weight: 900;
  color: var(--c-white);
  letter-spacing: .06em;
  line-height: 1;
}
.brand-tech {
  font-size: .55rem; font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .18em;
  text-transform: uppercase;
}
.brand-ltd {
  font-size: .5rem; font-weight: 500;
  color: rgba(255,255,255,.5);
  letter-spacing: .2em;
  text-transform: uppercase;
}

.nav-links {
  display: flex; align-items: center; gap: .25rem;
}
.nav-link {
  padding: .5rem .875rem;
  font-size: .9rem; font-weight: 500;
  color: rgba(255,255,255,.8);
  border-radius: var(--radius-sm);
  transition: color .2s, background .2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--c-white);
  background: rgba(255,255,255,.08);
}
.nav-cta {
  background: linear-gradient(135deg, var(--c-accent), #E8941A) !important;
  color: var(--c-dark) !important;
  font-weight: 600;
  padding: .5rem 1.25rem;
  box-shadow: 0 2px 12px rgba(245,166,35,.4);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(245,166,35,.5);
  background: rgba(245,166,35,1) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--c-white);
  border-radius: 99px;
  transition: all .3s var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed; inset: 0; top: var(--nav-h);
  background: rgba(0,10,26,.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .35s var(--transition), visibility .35s;
  z-index: 999;
}
.mobile-menu.open { opacity: 1; visibility: visible; pointer-events: all; }
.mobile-menu ul {
  display: flex; flex-direction: column;
  align-items: center; gap: .5rem;
}
.mobile-link {
  display: block;
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-family: var(--font-head);
  font-weight: 600;
  color: rgba(255,255,255,.75);
  padding: .75rem 2rem;
  border-radius: var(--radius-sm);
  transition: color .2s, background .2s;
  text-align: center;
}
.mobile-link:hover { color: var(--c-white); background: rgba(255,255,255,.06); }
.mobile-cta {
  margin-top: 1rem;
  background: linear-gradient(135deg, var(--c-accent), #E8941A);
  color: var(--c-dark) !important;
  font-size: 1.1rem !important;
  padding: .875rem 2.5rem !important;
}

/* ══════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--c-dark);
}

.hero-canvas {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(0,87,146,.6) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 10% 80%, rgba(0,43,91,.8) 0%, transparent 60%),
    linear-gradient(135deg, #0A192F 0%, #001A3A 40%, #002B5B 100%);
}

/* Animated grid overlay */
.hero-canvas::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: grid-pan 20s linear infinite;
}
@keyframes grid-pan {
  0% { transform: translate(0,0); }
  100% { transform: translate(60px,60px); }
}

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to right,
    rgba(10,25,47,.85) 0%,
    rgba(10,25,47,.4) 60%,
    rgba(10,25,47,.1) 100%
  );
}

/* Particles */
.particles {
  position: absolute; inset: 0; pointer-events: none;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--c-accent);
  opacity: 0;
  animation: particle-float var(--dur, 8s) var(--delay, 0s) ease-in-out infinite;
}
@keyframes particle-float {
  0% { opacity: 0; transform: translateY(0) scale(1); }
  20% { opacity: var(--op, .4); }
  80% { opacity: var(--op, .4); }
  100% { opacity: 0; transform: translateY(-120px) scale(.5); }
}

.hero-content {
  position: relative; z-index: 2;
  width: 100%;
  max-width: 1280px; margin: 0 auto;
  padding: calc(var(--nav-h) + 2rem) clamp(1.25rem, 5vw, 3rem) 6rem;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .5rem 1rem;
  background: rgba(245,166,35,.12);
  border: 1px solid rgba(245,166,35,.3);
  border-radius: 99px;
  font-size: .8rem; font-weight: 600;
  color: var(--c-accent);
  letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 1.75rem;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--c-accent);
  border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:.4; transform:scale(.7); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  color: var(--c-white);
  margin-bottom: 1.5rem;
  letter-spacing: -.01em;
}
.hero-accent {
  color: var(--c-accent);
  position: relative;
}
.hero-accent::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), transparent);
  border-radius: 99px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: rgba(255,255,255,.75);
  line-height: 1.7;
  max-width: 52ch;
  margin-bottom: 2.5rem;
}
.br-desktop { display: none; }
@media (min-width: 768px) { .br-desktop { display: block; } }

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex; align-items: center;
  gap: 0; flex-wrap: wrap;
}
.hero-stat {
  padding: 0 1.5rem;
  display: flex; flex-direction: column;
}
.hero-stat:first-child { padding-left: 0; }
.hero-stat strong {
  font-family: var(--font-head);
  font-size: 1.75rem; font-weight: 700;
  color: var(--c-white); line-height: 1;
}
.hero-stat span {
  font-size: .75rem; font-weight: 500;
  color: rgba(255,255,255,.5);
  letter-spacing: .06em; text-transform: uppercase;
  margin-top: .25rem;
}
.hero-stat-divider {
  width: 1px; height: 40px;
  background: rgba(255,255,255,.15);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: rgba(255,255,255,.4);
  font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  z-index: 2;
}
.scroll-line {
  width: 1px; height: 48px;
  background: rgba(255,255,255,.15);
  position: relative; overflow: hidden;
}
.scroll-dot {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 40%;
  background: var(--c-accent);
  animation: scroll-drop 1.8s ease-in-out infinite;
}
@keyframes scroll-drop {
  0% { top:-40%; }
  100% { top:140%; }
}

/* Reveal animation */
[data-reveal] { opacity: 0; transform: translateY(40px); transition: opacity .7s var(--transition), transform .7s var(--transition); }
[data-reveal="left"] { opacity: 0; transform: translateX(-40px); transition: opacity .7s var(--transition), transform .7s var(--transition); }
[data-reveal="right"] { opacity: 0; transform: translateX(40px); transition: opacity .7s var(--transition), transform .7s var(--transition); }
[data-reveal="up"] { opacity: 0; transform: translateY(32px); transition: opacity .65s var(--transition) var(--delay, 0s), transform .65s var(--transition) var(--delay, 0s); }
[data-reveal].revealed { opacity: 1; transform: none; }

/* ══════════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════════ */
.about { background: var(--c-white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.about-img-wrap {
  position: relative;
  height: 520px;
}
.about-img {
  position: absolute;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-img-main {
  width: 82%; height: 88%;
  bottom: 0; left: 0;
  background-color: var(--c-secondary);
  background-image:
    linear-gradient(135deg, rgba(0,87,146,.7), rgba(0,43,91,.9)),
    repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(255,255,255,.03) 40px, rgba(255,255,255,.03) 41px),
    repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(255,255,255,.03) 40px, rgba(255,255,255,.03) 41px);
  box-shadow: var(--shadow-xl);
}
.about-img-accent {
  width: 55%; height: 55%;
  top: 0; right: 0;
  background-color: var(--c-accent);
  background-image: linear-gradient(135deg, rgba(245,166,35,.85), rgba(232,148,26,.9));
  box-shadow: var(--shadow-lg);
}
.about-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.3) 0%, transparent 60%);
}
.about-badge-float {
  position: absolute;
  bottom: -1.5rem; right: 1.5rem;
  display: flex; align-items: center; gap: .875rem;
  padding: 1rem 1.25rem;
  z-index: 2;
}
.about-badge-float strong {
  display: block; font-size: .9rem; font-weight: 700; color: var(--c-primary);
}
.about-badge-float span {
  font-size: .75rem; color: var(--c-muted);
}

.about-lead {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--c-text);
  line-height: 1.65;
  margin-bottom: 1rem;
}
.about-body {
  color: var(--c-muted);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.about-pillars {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.pillar {
  display: flex; align-items: center; gap: .75rem;
  padding: .875rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--c-light);
  border: 1px solid var(--c-border);
  transition: border-color .2s, background .2s;
}
.pillar:hover {
  border-color: rgba(245,166,35,.4);
  background: rgba(245,166,35,.04);
}
.pillar-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,43,91,.08);
  border-radius: var(--radius-sm);
  color: var(--c-secondary);
}
.pillar span {
  font-size: .875rem; font-weight: 600; color: var(--c-text);
}

/* ══════════════════════════════════════════════════════
   VISION & MISSION
══════════════════════════════════════════════════════ */
.vision-mission {
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  padding: clamp(4rem, 8vw, 6rem) 0;
}
.vm-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.vm-card {
  padding: clamp(2rem, 4vw, 2.5rem);
  transition: transform .3s var(--transition);
}
.vm-card:hover { transform: translateY(-6px); }
.vm-icon {
  width: 72px; height: 72px;
  background: rgba(245,166,35,.12);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.vm-card h3 {
  font-family: var(--font-head);
  font-size: 1.5rem; font-weight: 700;
  color: var(--c-primary);
  margin-bottom: .75rem;
}
.vm-card p { color: var(--c-muted); line-height: 1.75; }

/* ══════════════════════════════════════════════════════
   CORE VALUES
══════════════════════════════════════════════════════ */
.values { background: var(--c-light); }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.value-card {
  padding: 2rem 1.75rem;
  transition: transform .3s var(--transition), box-shadow .3s var(--transition);
  position: relative; overflow: hidden;
}
.value-card::before {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), transparent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--transition);
}
.value-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.value-card:hover::before { transform: scaleX(1); }

.value-icon-wrap {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, rgba(0,43,91,.08), rgba(0,87,146,.08));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  transition: background .3s;
}
.value-card:hover .value-icon-wrap {
  background: linear-gradient(135deg, rgba(245,166,35,.15), rgba(245,166,35,.08));
}
.value-icon {
  width: 28px; height: 28px;
  color: var(--c-secondary);
  transition: color .3s;
}
.value-card:hover .value-icon { color: var(--c-accent); }

.value-card h3 {
  font-family: var(--font-head);
  font-size: 1.2rem; font-weight: 700;
  color: var(--c-primary); margin-bottom: .625rem;
}
.value-card p { font-size: .9rem; color: var(--c-muted); line-height: 1.65; }

/* ══════════════════════════════════════════════════════
   SERVICES
══════════════════════════════════════════════════════ */
.services { background: var(--c-white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.service-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-white);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border);
  transition: transform .35s var(--transition), box-shadow .35s var(--transition);
  display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-xl); }

.service-img {
  position: relative; height: 220px;
  background-size: cover; background-position: center;
  background-color: var(--c-secondary);
  overflow: hidden;
}
/* Placeholder gradients per service */
.service-card[data-service="octg"] .service-img {
  background-image: linear-gradient(135deg, #002B5B 0%, #005792 100%);
}
.service-card[data-service="valves"] .service-img {
  background-image: linear-gradient(135deg, #003D6B 0%, #006B9F 100%);
}
.service-card[data-service="pipeline"] .service-img {
  background-image: linear-gradient(135deg, #001F42 0%, #003870 100%);
}
.service-card[data-service="marine"] .service-img {
  background-image: linear-gradient(135deg, #004E8C 0%, #0079C1 100%);
}
.service-card[data-service="vessel"] .service-img {
  background-image: linear-gradient(135deg, #002040 0%, #004580 100%);
}
.service-card[data-service="petroleum"] .service-img {
  background-image: linear-gradient(135deg, #3D2000 0%, #7A4400 50%), radial-gradient(circle at 70% 50%, #F5A623 0%, transparent 60%);
}

/* Grid texture overlay on service images */
.service-img::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 30px, rgba(255,255,255,.04) 30px, rgba(255,255,255,.04) 31px),
    repeating-linear-gradient(90deg, transparent, transparent 30px, rgba(255,255,255,.04) 30px, rgba(255,255,255,.04) 31px);
}

.service-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.5) 0%, transparent 60%);
}
.service-num {
  position: absolute; top: 1rem; right: 1rem;
  font-family: var(--font-head);
  font-size: 3rem; font-weight: 900;
  color: rgba(255,255,255,.12);
  line-height: 1;
}

.service-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.service-icon-wrap {
  width: 48px; height: 48px;
  background: rgba(0,43,91,.07);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-secondary);
  margin-bottom: 1rem;
  transition: background .25s, color .25s;
}
.service-card:hover .service-icon-wrap {
  background: rgba(245,166,35,.12);
  color: var(--c-accent);
}
.service-body h3 {
  font-family: var(--font-head);
  font-size: 1.1rem; font-weight: 700;
  color: var(--c-primary); margin-bottom: .75rem;
}
.service-list {
  margin-bottom: 1.25rem; flex: 1;
}
.service-list li {
  font-size: .875rem; color: var(--c-muted);
  padding: .35rem 0;
  border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center; gap: .5rem;
}
.service-list li::before {
  content: '';
  width: 5px; height: 5px; flex-shrink: 0;
  background: var(--c-accent);
  border-radius: 50%;
}

.btn-learn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .625rem 0;
  font-size: .875rem; font-weight: 600;
  color: var(--c-secondary);
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s, gap .2s;
  align-self: flex-start;
}
.btn-learn:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  gap: .75rem;
}

/* ══════════════════════════════════════════════════════
   WHY US / COUNTERS
══════════════════════════════════════════════════════ */
.why-us {
  position: relative;
  padding: clamp(5rem, 10vw, 8rem) 0;
  overflow: hidden;
}
.why-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--c-dark) 0%, #001A3A 60%, var(--c-primary) 100%);
}
.why-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(0,87,146,.4) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(245,166,35,.08) 0%, transparent 60%);
}
.why-us .container { position: relative; z-index: 1; }

.counters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.counter-card {
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform .3s var(--transition);
}
.counter-card:hover { transform: translateY(-6px); }
.counter-icon {
  width: 64px; height: 64px;
  background: rgba(245,166,35,.1);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
}
.counter-num {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--c-white);
  line-height: 1; margin-bottom: .5rem;
}
.counter-label {
  font-size: .8rem; font-weight: 500;
  color: rgba(255,255,255,.55);
  text-transform: uppercase; letter-spacing: .08em;
}

.why-features {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.why-feature {
  display: flex; align-items: flex-start; gap: 1rem;
}
.why-dot {
  width: 10px; height: 10px; flex-shrink: 0;
  background: var(--c-accent);
  border-radius: 50%;
  margin-top: .4rem;
}
.why-feature strong {
  display: block;
  font-size: 1rem; font-weight: 600;
  color: var(--c-white); margin-bottom: .35rem;
}
.why-feature p { font-size: .875rem; color: rgba(255,255,255,.5); line-height: 1.6; }

/* ══════════════════════════════════════════════════════
   HEALTH & SAFETY
══════════════════════════════════════════════════════ */
.safety { background: var(--c-white); }

.safety-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.safety-items { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.safety-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: var(--c-light);
  transition: border-color .25s, transform .25s;
}
.safety-item:hover {
  border-color: rgba(245,166,35,.35);
  transform: translateX(4px);
}
.safety-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(245,166,35,.1);
  border-radius: var(--radius-sm);
}
.safety-item strong {
  display: block; font-size: .95rem; font-weight: 700;
  color: var(--c-primary); margin-bottom: .3rem;
}
.safety-item p { font-size: .85rem; color: var(--c-muted); line-height: 1.55; }

.safety-img-wrap { position: relative; height: 480px; }
.safety-img {
  position: absolute; inset: 0;
  border-radius: var(--radius-lg);
  background-size: cover; background-position: center;
  background-color: var(--c-primary);
  background-image:
    linear-gradient(135deg, rgba(0,43,91,.6), rgba(0,87,146,.8)),
    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,.02) 20px, rgba(255,255,255,.02) 21px);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.safety-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,15,35,.6) 0%, transparent 50%);
}
.safety-badge {
  position: absolute; bottom: 2rem; left: 2rem;
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem;
  z-index: 1;
}
.safety-badge strong { display: block; font-size: .9rem; font-weight: 700; color: var(--c-primary); }
.safety-badge span { font-size: .75rem; color: var(--c-muted); }

/* ══════════════════════════════════════════════════════
   GALLERY
══════════════════════════════════════════════════════ */
.gallery { background: var(--c-light); }

.gallery-filters {
  display: flex; flex-wrap: wrap; gap: .625rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: .5rem 1.25rem;
  border-radius: 99px;
  font-size: .875rem; font-weight: 500;
  color: var(--c-muted);
  border: 1.5px solid var(--c-border);
  background: var(--c-white);
  transition: all .2s var(--transition);
}
.filter-btn:hover { border-color: var(--c-secondary); color: var(--c-secondary); }
.filter-btn.active {
  background: var(--c-primary); color: var(--c-white);
  border-color: var(--c-primary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 1rem;
}
.gallery-item { border-radius: var(--radius-md); overflow: hidden; }
.gallery-tall { grid-row: span 2; }
.gallery-wide { grid-column: span 2; }

.gallery-img {
  width: 100%; height: 100%;
  background-size: cover; background-position: center;
  transition: transform .5s var(--transition);
  position: relative;
}
.gallery-item:nth-child(1) .gallery-img { background-color: #1A3A5C; background-image: linear-gradient(135deg,#002B5B,#005792); }
.gallery-item:nth-child(2) .gallery-img { background-color: #003A6B; background-image: linear-gradient(160deg,#004E8C,#0079C1); }
.gallery-item:nth-child(3) .gallery-img { background-color: #3D2800; background-image: linear-gradient(135deg,#5C3A00,#8A5500); }
.gallery-item:nth-child(4) .gallery-img { background-color: #001A3A; background-image: linear-gradient(135deg,#002B5B,#004580); }
.gallery-item:nth-child(5) .gallery-img { background-color: #0A2A4A; background-image: linear-gradient(135deg,#0A2A4A,#1A4570); }
.gallery-item:nth-child(6) .gallery-img { background-color: #1A3050; background-image: linear-gradient(135deg,#002040,#003870); }
.gallery-item:nth-child(7) .gallery-img { background-color: #004070; background-image: linear-gradient(160deg,#003060,#006090); }
.gallery-item:nth-child(8) .gallery-img { background-color: #402A00; background-image: linear-gradient(135deg,#4A3000,#7A5000); }

/* Add texture to gallery items */
.gallery-img::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(255,255,255,.03) 50px, rgba(255,255,255,.03) 51px),
    repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(255,255,255,.03) 50px, rgba(255,255,255,.03) 51px);
}

.gallery-item:hover .gallery-img { transform: scale(1.06); }

.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.7) 0%, rgba(0,0,0,.1) 60%, transparent 100%);
  display: flex; align-items: flex-end; justify-content: space-between;
  padding: 1rem;
  opacity: 0;
  transition: opacity .3s var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-btn {
  width: 40px; height: 40px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-white);
  transition: background .2s;
}
.gallery-btn:hover { background: var(--c-accent); color: var(--c-dark); }
.gallery-cat {
  font-size: .7rem; font-weight: 600;
  color: rgba(255,255,255,.8);
  letter-spacing: .1em; text-transform: uppercase;
  background: rgba(0,0,0,.3);
  padding: .25rem .6rem; border-radius: 99px;
}
.gallery-item.hidden { display: none; }

/* ══════════════════════════════════════════════════════
   CTA BANNER
══════════════════════════════════════════════════════ */
.cta-banner {
  position: relative;
  padding: clamp(5rem, 10vw, 8rem) 0;
  overflow: hidden;
  text-align: center;
  background: var(--c-dark);
}
.cta-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 50% 50%, rgba(0,87,146,.5) 0%, transparent 70%),
    linear-gradient(135deg, #0A192F, #002B5B);
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 80px 80px;
}
.cta-content { position: relative; z-index: 1; }
.cta-tag {
  display: inline-block;
  font-size: .75rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--c-accent); margin-bottom: 1.25rem;
}
.cta-banner h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 900; line-height: 1.15;
  color: var(--c-white); margin-bottom: 1rem;
}
.cta-banner p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 2.5rem;
  max-width: 40ch; margin-left: auto; margin-right: auto;
}
.cta-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }

/* ══════════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════════ */
.contact { background: var(--c-light); }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}
.contact-info p {
  color: var(--c-muted); line-height: 1.7;
  margin-bottom: 2rem;
}
.contact-details { display: flex; flex-direction: column; gap: 1rem; }
.contact-detail {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--c-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
}
.contact-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(245,166,35,.1);
  border-radius: var(--radius-sm);
}
.contact-detail strong {
  display: block; font-size: .8rem; font-weight: 600;
  color: var(--c-muted); text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: .2rem;
}
.contact-detail span { font-size: .9375rem; color: var(--c-text); }

/* Contact Form */
.contact-form {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}
.contact-form h3 {
  font-family: var(--font-head);
  font-size: 1.5rem; font-weight: 700;
  color: var(--c-primary); margin-bottom: 1.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .8125rem; font-weight: 600;
  color: var(--c-text);
  margin-bottom: .4rem;
  letter-spacing: .02em;
}
.form-group label span { color: var(--c-accent); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: .9375rem;
  color: var(--c-text);
  background: var(--c-white);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-secondary);
  box-shadow: 0 0 0 3px rgba(0,87,146,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #B0BEC5; }
.form-group select { cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7A8D' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .875rem center; padding-right: 2.5rem; }
.form-group textarea { resize: vertical; min-height: 110px; }

#submitBtn { position: relative; }
#submitBtn.loading .btn-text { opacity: 0; }
#submitBtn.loading::after {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  border: 2px solid rgba(0,0,0,.2);
  border-top-color: var(--c-dark);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.form-success {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 500;
  text-align: center;
  display: none;
}
.form-success.show {
  display: block;
  background: rgba(16,185,129,.1);
  color: #047857;
  border: 1px solid rgba(16,185,129,.25);
}

/* ══════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════ */
.footer { background: var(--c-dark); }
.footer-top { padding: clamp(4rem, 8vw, 6rem) 0 3rem; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
}
.footer-logo {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: 1rem;
}
.footer-logo .brand-adl { color: var(--c-white); font-size: 1.5rem; }
.footer-logo-text { display: flex; flex-direction: column; }
.footer-brand p { font-size: .875rem; color: rgba(255,255,255,.45); line-height: 1.65; margin-bottom: 1.5rem; }

.social-links { display: flex; gap: .5rem; }
.social-link {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.07);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,.5);
  transition: background .2s, color .2s, transform .2s;
}
.social-link:hover {
  background: var(--c-accent);
  color: var(--c-dark);
  transform: translateY(-2px);
}

.footer-nav h4 {
  font-size: .75rem; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase;
  color: rgba(255,255,255,.4); margin-bottom: 1.25rem;
}
.footer-nav ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-nav a {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: color .2s, padding-left .2s;
}
.footer-nav a:hover { color: var(--c-accent); padding-left: 4px; }

.footer-contact-info h4 {
  font-size: .75rem; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase;
  color: rgba(255,255,255,.4); margin-bottom: 1.25rem;
}
.footer-contact-item {
  display: flex; align-items: center; gap: .625rem;
  margin-bottom: .75rem;
  font-size: .875rem; color: rgba(255,255,255,.55);
}
.footer-cert {
  margin-top: 1.25rem;
  display: flex; flex-direction: column; gap: .5rem;
}
.cert-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .75rem; font-weight: 500;
  color: rgba(255,255,255,.5);
  padding: .375rem .75rem;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 99px;
  width: fit-content;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.25rem 0;
}
.footer-bottom .container {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: .5rem;
}
.footer-bottom p { font-size: .8125rem; color: rgba(255,255,255,.3); }

/* ══════════════════════════════════════════════════════
   BACK TO TOP
══════════════════════════════════════════════════════ */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--c-secondary), var(--c-primary));
  color: var(--c-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(0,43,91,.4);
  z-index: 500;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(10px);
  transition: opacity .3s, visibility .3s, transform .3s var(--transition);
}
.back-to-top.visible {
  opacity: 1; visibility: visible; pointer-events: all;
  transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,43,91,.5); }

/* ══════════════════════════════════════════════════════
   SERVICE MODAL
══════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,10,26,.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .3s, visibility .3s;
}
.modal-overlay.open { opacity: 1; visibility: visible; pointer-events: all; }
.modal-box {
  position: relative;
  background: var(--c-white);
  border-radius: var(--radius-lg);
  max-width: 640px; width: 100%;
  max-height: 88vh; overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(.95) translateY(20px);
  transition: transform .35s var(--transition);
}
.modal-overlay.open .modal-box { transform: scale(1) translateY(0); }
.modal-close {
  position: absolute; top: 1.25rem; right: 1.25rem;
  width: 36px; height: 36px;
  background: var(--c-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-text);
  z-index: 1;
  transition: background .2s;
}
.modal-close:hover { background: var(--c-border); }

.modal-inner { padding: 2.5rem; }
.modal-header {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--c-border);
}
.modal-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(0,43,91,.1), rgba(0,87,146,.1));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-secondary);
  flex-shrink: 0;
}
.modal-inner h3 {
  font-family: var(--font-head);
  font-size: 1.5rem; font-weight: 700;
  color: var(--c-primary);
}
.modal-inner h4 {
  font-size: .875rem; font-weight: 600;
  color: var(--c-accent);
  text-transform: uppercase; letter-spacing: .08em;
  margin-bottom: .5rem;
}
.modal-inner p { color: var(--c-muted); line-height: 1.75; margin-bottom: 1.25rem; }
.modal-list { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.modal-list li {
  display: flex; align-items: center; gap: .5rem;
  font-size: .875rem; color: var(--c-text);
  padding: .5rem .75rem;
  background: var(--c-light);
  border-radius: var(--radius-sm);
}
.modal-list li::before {
  content: '';
  width: 6px; height: 6px; flex-shrink: 0;
  background: var(--c-accent);
  border-radius: 50%;
}

/* ══════════════════════════════════════════════════════
   LIGHTBOX
══════════════════════════════════════════════════════ */
.lightbox {
  position: fixed; inset: 0; z-index: 3000;
  background: rgba(0,0,0,.95);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .3s, visibility .3s;
}
.lightbox.open { opacity: 1; visibility: visible; pointer-events: all; }
.lightbox-img-wrap {
  max-width: 900px; width: 90%;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.lightbox-img {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-md);
  background-size: cover; background-position: center;
  background-color: #111;
}
.lightbox-caption {
  font-size: .875rem; color: rgba(255,255,255,.6);
  letter-spacing: .06em; text-transform: uppercase;
}
.lightbox-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  width: 48px; height: 48px;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-white);
  transition: background .2s, transform .2s;
}
.lightbox-close:hover { background: var(--c-accent); color: var(--c-dark); transform: rotate(90deg); }
.lightbox-nav {
  position: absolute; top: 50%;
  transform: translateY(-50%);
  width: 52px; height: 52px;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-white);
  transition: background .2s;
}
.lightbox-nav:hover { background: var(--c-accent); color: var(--c-dark); }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }
.lightbox-counter {
  position: absolute; bottom: 1.5rem;
  font-size: .8125rem; color: rgba(255,255,255,.5);
  letter-spacing: .08em;
}

/* ══════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .counters-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .vm-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .safety-visual { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .why-features { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-wide { grid-column: span 1; }
  .gallery-tall { grid-row: span 1; }
}

@media (max-width: 768px) {
  :root { --nav-h: 68px; }

  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-title { font-size: clamp(2.2rem, 8vw, 3.5rem); }
  .services-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .counters-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .hero-stats { gap: .5rem; }
  .hero-stat { padding: 0 .75rem; }
  .modal-list { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 200px; }
  .counters-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-actions { flex-direction: column; align-items: center; }
  .about-pillars { grid-template-columns: 1fr; }
  .lightbox-prev { left: .5rem; }
  .lightbox-next { right: .5rem; }
}