/* ============================================================
   SR Engineering Services (Pvt) Ltd — Main Stylesheet
   Mobile-first | CSS Custom Properties | No Framework
   ============================================================ */

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

:root {
  --dark:       #0d1b2a;
  --dark-2:     #152236;
  --primary:    #1e4080;
  --primary-lt: #2a5ba8;
  --accent:     #ff6b35;
  --accent-dk:  #e05520;
  --light:      #f5f7fa;
  --light-2:    #edf0f5;
  --gray:       #8a9bb0;
  --gray-lt:    #c8d0db;
  --white:      #ffffff;
  --text:       #1a2840;
  --text-md:    #3d4f66;
  --text-lt:    #637082;

  --shadow-sm:  0 2px 8px rgba(0,0,0,.08);
  --shadow:     0 4px 20px rgba(0,0,0,.12);
  --shadow-lg:  0 8px 40px rgba(0,0,0,.18);

  --radius:     8px;
  --radius-lg:  14px;
  --transition: 0.25s ease;

  --nav-h:      70px;
  --container:  1200px;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }

/* ── Utility ────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 72px 0;
}

.section-sm { padding: 48px 0; }

.section-header {
  text-align: center;
  margin-bottom: 52px;
}

.section-header .eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 14px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-lt);
  max-width: 600px;
  margin: 0 auto;
}

.section-header.light h2,
.section-header.light p,
.section-header.light .eyebrow { color: var(--white); }
.section-header.light p { opacity: .82; }

/* Grid helpers */
.grid-2 { display: grid; gap: 28px; }
.grid-3 { display: grid; gap: 24px; }
.grid-4 { display: grid; gap: 20px; }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dk);
  border-color: var(--accent-dk);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255,107,53,.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
}

/* Card */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 600;
  background: var(--accent);
  color: var(--white);
}

/* Content needed marker */
.content-needed {
  display: inline-block;
  background: #fff3cd;
  color: #856404;
  border: 1px dashed #ffc107;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: .8rem;
  font-style: italic;
}

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--dark);
  z-index: 1000;
  transition: box-shadow var(--transition), background var(--transition);
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 900;
  color: var(--white);
  flex-shrink: 0;
}

.nav-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-logo .logo-text strong {
  font-size: .95rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: .02em;
}
.nav-logo .logo-text span {
  font-size: .68rem;
  color: var(--gray);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: .88rem;
  font-weight: 500;
  color: rgba(255,255,255,.78);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,.1);
}
.nav-links a.active {
  color: var(--accent);
}

.nav-cta {
  display: none;
}

.nav-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.nav-mobile {
  display: none;
  position: absolute;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--dark-2);
  padding: 16px 20px 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow-lg);
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  padding: 12px 16px;
  color: rgba(255,255,255,.8);
  font-size: .95rem;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.nav-mobile a:hover,
.nav-mobile a.active {
  background: rgba(255,255,255,.08);
  color: var(--white);
}
.nav-mobile a.active { color: var(--accent); }
.nav-mobile .btn { margin-top: 12px; width: 100%; justify-content: center; }

@media (min-width: 900px) {
  .nav-links     { display: flex; }
  .nav-cta       { display: flex; }
  .nav-hamburger { display: none; }
}

/* ── Page Hero (inner pages) ────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
  padding: 120px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,107,53,.15) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 12px;
}
.page-hero p {
  color: rgba(255,255,255,.75);
  font-size: 1.05rem;
  max-width: 560px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: .85rem;
  color: rgba(255,255,255,.5);
}
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: rgba(255,255,255,.3); }

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.75);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .logo-icon {
  width: 44px; height: 44px;
  background: var(--accent);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; color: var(--white); font-size: 1.1rem;
}
.footer-brand strong { color: var(--white); font-size: 1rem; font-weight: 800; display: block; }
.footer-brand small  { font-size: .7rem; color: var(--gray); letter-spacing: .06em; text-transform: uppercase; }
.footer-brand p { font-size: .9rem; line-height: 1.7; margin-bottom: 20px; }

.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.08);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 700; color: rgba(255,255,255,.6);
  transition: all var(--transition);
}
.social-links a:hover { background: var(--accent); color: var(--white); }

.footer-col h4 {
  color: var(--white);
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: .88rem;
  color: rgba(255,255,255,.62);
  transition: color var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-col ul li a::before { content: '›'; color: var(--accent); font-size: 1rem; }

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: .88rem;
  color: rgba(255,255,255,.65);
}
.footer-contact-item .icon {
  width: 32px; height: 32px;
  background: rgba(255,255,255,.07);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: .8rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
  font-size: .82rem;
  color: rgba(255,255,255,.4);
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.4fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

/* ══════════════════════════════════════════════════════════════
   HOME PAGE
   ══════════════════════════════════════════════════════════════ */

/* Hero */
.hero {
  min-height: 100vh;
  background:
    linear-gradient(to right, rgba(13,27,42,.92) 0%, rgba(13,27,42,.65) 100%),
    linear-gradient(135deg, #0d1b2a 0%, #1e3060 60%, #2a5ba8 100%);
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(30,64,128,.4) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255,107,53,.12) 0%, transparent 50%);
  pointer-events: none;
}

/* Construction grid pattern */
.hero::after {
  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;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,107,53,.15);
  border: 1px solid rgba(255,107,53,.3);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -.01em;
}

.hero h1 .accent-text { color: var(--accent); }

.hero p {
  font-size: clamp(1rem, 2vw, 1.18rem);
  color: rgba(255,255,255,.78);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.hero-stat {
  border-left: 3px solid var(--accent);
  padding-left: 14px;
}
.hero-stat .num {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}
.hero-stat .lbl {
  font-size: .78rem;
  color: rgba(255,255,255,.55);
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* About Preview */
.about-preview {
  background: var(--white);
}
.about-preview-inner {
  display: grid;
  gap: 40px;
  align-items: center;
}
.about-preview-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-visual-placeholder {
  text-align: center;
  color: rgba(255,255,255,.4);
  font-size: .85rem;
  padding: 40px;
}
.about-visual-placeholder .big-icon {
  font-size: 4rem;
  margin-bottom: 10px;
  opacity: .3;
}
.about-tag {
  position: absolute;
  bottom: 20px; left: 20px;
  background: var(--accent);
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: .82rem;
  font-weight: 700;
}
.about-preview-text .eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}
.about-preview-text h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.2;
}
.about-preview-text p { color: var(--text-lt); margin-bottom: 14px; }

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 20px 0 28px;
}
.about-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: var(--text-md);
}
.about-feature::before {
  content: '✓';
  width: 20px; height: 20px;
  background: rgba(255,107,53,.12);
  color: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 900;
  flex-shrink: 0;
}

@media (min-width: 900px) {
  .about-preview-inner { grid-template-columns: 1fr 1fr; }
}

/* Services Grid */
.services-sec { background: var(--light); }

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border-bottom: 3px solid transparent;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-bottom-color: var(--accent);
}
.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-lt) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.service-card p {
  font-size: .9rem;
  color: var(--text-lt);
  line-height: 1.6;
  margin-bottom: 16px;
}
.service-link {
  font-size: .85rem;
  font-weight: 600;
  color: var(--primary);
  display: flex; align-items: center; gap: 6px;
  transition: color var(--transition);
}
.service-link:hover { color: var(--accent); }
.service-link::after { content: '→'; transition: transform var(--transition); }
.service-link:hover::after { transform: translateX(4px); }

/* Why Choose Us */
.why-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: all var(--transition);
}
.why-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.why-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, rgba(255,107,53,.15), rgba(255,107,53,.05));
  border: 2px solid rgba(255,107,53,.2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.why-card h3 {
  font-size: .98rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}
.why-card p { font-size: .87rem; color: var(--text-lt); line-height: 1.55; }

/* Stats */
.stats-sec {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
}
.stats-sec::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 50px 50px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}
.stat-item {
  background: rgba(255,255,255,.04);
  padding: 40px 20px;
  text-align: center;
  transition: background var(--transition);
}
.stat-item:hover { background: rgba(255,255,255,.08); }
.stat-num {
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}
.stat-num .suffix { color: var(--accent); }
.stat-label {
  font-size: .83rem;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 500;
}

@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Featured Projects */
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--white);
  transition: all var(--transition);
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.project-img {
  height: 220px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--dark-2) 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.project-img-placeholder {
  text-align: center;
  color: rgba(255,255,255,.3);
  font-size: .8rem;
}
.project-img-placeholder span { font-size: 3rem; display: block; margin-bottom: 6px; opacity: .3; }
.project-category {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--accent);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.project-body { padding: 22px 20px; }
.project-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.project-meta {
  display: flex; flex-wrap: wrap; gap: 14px;
  font-size: .82rem; color: var(--text-lt);
}
.project-meta span { display: flex; align-items: center; gap: 5px; }

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--accent) 0%, #c94e1e 100%);
  padding: 64px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-banner-inner { position: relative; z-index: 1; }
.cta-banner h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 12px;
}
.cta-banner p {
  color: rgba(255,255,255,.8);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto; margin-right: auto;
}
.cta-banner .btn-white {
  background: var(--white);
  color: var(--accent);
  border: none;
  font-weight: 700;
}
.cta-banner .btn-white:hover {
  background: var(--dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
}

/* ══════════════════════════════════════════════════════════════
   ABOUT PAGE
   ══════════════════════════════════════════════════════════════ */
.vmg-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--primary);
  transition: all var(--transition);
}
.vmg-card:nth-child(2) { border-top-color: var(--accent); }
.vmg-card:nth-child(3) { border-top-color: #28a745; }
.vmg-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.vmg-card .icon { font-size: 2.2rem; margin-bottom: 14px; }
.vmg-card h3 { font-size: 1.15rem; font-weight: 800; color: var(--dark); margin-bottom: 12px; }
.vmg-card p  { font-size: .9rem; color: var(--text-lt); line-height: 1.7; }

.hse-card {
  background: var(--light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border-left: 4px solid var(--accent);
}
.hse-card h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.hse-card ul { padding-left: 0; }
.hse-card ul li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: .9rem; color: var(--text-md); margin-bottom: 8px; padding-left: 0;
}
.hse-card ul li::before {
  content: '◆';
  color: var(--accent);
  font-size: .6rem;
  margin-top: 5px;
  flex-shrink: 0;
}

/* Timeline */
.timeline { position: relative; padding: 20px 0; }
.timeline::before {
  content: '';
  position: absolute;
  left: 20px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
}
.timeline-item {
  position: relative;
  padding: 0 0 32px 60px;
}
.timeline-dot {
  position: absolute;
  left: 12px; top: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-year {
  font-size: .8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 4px;
}
.timeline-item h4 { font-size: .98rem; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.timeline-item p  { font-size: .88rem; color: var(--text-lt); }

@media (min-width: 768px) {
  .timeline::before { left: 50%; transform: translateX(-50%); }
  .timeline-item { padding: 0 calc(50% + 40px) 32px 0; text-align: right; }
  .timeline-item:nth-child(even) { padding: 0 0 32px calc(50% + 40px); text-align: left; }
  .timeline-dot { left: calc(50% - 9px); }
  .timeline-item:nth-child(even) .timeline-dot { left: calc(50% - 9px); }
}

/* Certifications */
.cert-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.cert-card {
  background: var(--white);
  border: 2px dashed var(--gray-lt);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}
.cert-card:hover { border-color: var(--primary); }
.cert-card .icon { font-size: 2.5rem; margin-bottom: 10px; }
.cert-card p { font-size: .8rem; color: var(--text-lt); }

/* ══════════════════════════════════════════════════════════════
   SERVICES PAGE
   ══════════════════════════════════════════════════════════════ */
.services-page-layout {
  display: grid;
  gap: 32px;
}

.services-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  height: fit-content;
}

.services-nav {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.services-nav h4 {
  background: var(--dark);
  color: var(--white);
  padding: 14px 18px;
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.services-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  font-size: .88rem;
  color: var(--text-md);
  border-bottom: 1px solid var(--light-2);
  transition: all var(--transition);
}
.services-nav a:hover,
.services-nav a.active {
  background: var(--light);
  color: var(--primary);
  padding-left: 24px;
}
.services-nav a span { font-size: .9rem; }

.service-section {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  border-left: 5px solid var(--primary);
  scroll-margin-top: calc(var(--nav-h) + 20px);
}

.service-section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.service-section-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-lt));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.service-section h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
}

.service-desc {
  color: var(--text-lt);
  margin-bottom: 24px;
  line-height: 1.7;
}

.service-features-grid {
  display: grid;
  gap: 12px;
}
.service-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: var(--light);
  border-radius: var(--radius);
  font-size: .9rem;
}
.service-feature-item .check {
  width: 22px; height: 22px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem;
  font-weight: 900;
  flex-shrink: 0;
}
.service-feature-item p { color: var(--text-md); line-height: 1.5; }
.service-feature-item p strong { display: block; color: var(--dark); font-size: .88rem; }

@media (min-width: 640px) {
  .service-features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .services-page-layout { grid-template-columns: 260px 1fr; }
}

/* ══════════════════════════════════════════════════════════════
   PROJECTS PAGE
   ══════════════════════════════════════════════════════════════ */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
  justify-content: center;
}
.filter-tab {
  padding: 9px 22px;
  border-radius: 24px;
  font-size: .88rem;
  font-weight: 600;
  border: 2px solid var(--gray-lt);
  color: var(--text-lt);
  cursor: pointer;
  transition: all var(--transition);
  background: var(--white);
}
.filter-tab:hover,
.filter-tab.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.projects-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 640px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .projects-grid { grid-template-columns: repeat(3, 1fr); } }

.project-card[hidden] { display: none; }

/* ══════════════════════════════════════════════════════════════
   EXPERIENCE PAGE
   ══════════════════════════════════════════════════════════════ */
.industry-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.industry-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.industry-card .icon { font-size: 2.4rem; margin-bottom: 12px; }
.industry-card h3 { font-size: .95rem; font-weight: 700; color: var(--dark); }

.capabilities-list {
  display: grid;
  gap: 12px;
}
.cap-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  font-size: .92rem;
  color: var(--text-md);
}
.cap-item::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}
@media (min-width: 768px) { .capabilities-list { grid-template-columns: repeat(2, 1fr); } }

.achievement-list { counter-reset: achievement; }
.achievement-item {
  counter-increment: achievement;
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
  align-items: flex-start;
}
.achievement-item::before {
  content: counter(achievement, decimal-leading-zero);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
  min-width: 32px;
}
.achievement-item p { color: var(--text-md); font-size: .92rem; }

/* ══════════════════════════════════════════════════════════════
   EQUIPMENT PAGE
   ══════════════════════════════════════════════════════════════ */
.equip-section { margin-bottom: 48px; }
.equip-section h2 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.equip-section h2::before {
  content: '';
  width: 4px; height: 24px;
  background: var(--accent);
  border-radius: 2px;
}

.equip-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius);
  overflow: hidden;
}
.equip-table th {
  background: var(--dark);
  color: var(--white);
  padding: 12px 16px;
  text-align: left;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.equip-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--light-2);
  color: var(--text-md);
}
.equip-table tr:last-child td { border-bottom: none; }
.equip-table tr:nth-child(even) td { background: var(--light); }
.equip-table tr:hover td { background: rgba(30,64,128,.04); }

.equip-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all var(--transition);
}
.equip-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.equip-card .icon { font-size: 1.8rem; flex-shrink: 0; }
.equip-card h4 { font-size: .92rem; font-weight: 700; color: var(--dark); }
.equip-card p  { font-size: .8rem; color: var(--text-lt); }

/* ══════════════════════════════════════════════════════════════
   TEAM PAGE
   ══════════════════════════════════════════════════════════════ */
.leader-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.leader-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.leader-photo {
  height: 260px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-lt) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.leader-avatar {
  width: 100px; height: 100px;
  background: rgba(255,255,255,.15);
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: rgba(255,255,255,.6);
}
.leader-badge {
  position: absolute;
  bottom: 16px; right: 16px;
  background: var(--accent);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: .75rem;
  font-weight: 700;
}
.leader-info { padding: 22px 20px; }
.leader-info h3 { font-size: 1.1rem; font-weight: 800; color: var(--dark); margin-bottom: 4px; }
.leader-info .title { font-size: .85rem; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.leader-info p { font-size: .88rem; color: var(--text-lt); line-height: 1.6; }

.team-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all var(--transition);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.team-avatar {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-lt) 100%);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; color: rgba(255,255,255,.6);
  margin: 0 auto 14px;
}
.team-card h4 { font-size: .95rem; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.team-card .role { font-size: .82rem; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.team-card .dept { font-size: .78rem; color: var(--gray); }

/* ══════════════════════════════════════════════════════════════
   ORG CHART PAGE
   ══════════════════════════════════════════════════════════════ */
.org-chart {
  overflow-x: auto;
  padding: 20px 0;
}

.org-level {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 0;
  position: relative;
}

.org-node {
  background: var(--white);
  border: 2px solid var(--light-2);
  border-radius: var(--radius);
  padding: 14px 20px;
  text-align: center;
  min-width: 140px;
  transition: all var(--transition);
  position: relative;
}
.org-node:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.org-node h4 { font-size: .9rem; font-weight: 700; color: var(--dark); }
.org-node p  { font-size: .75rem; color: var(--text-lt); margin-top: 2px; }

.org-node.ceo {
  background: var(--dark);
  border-color: var(--dark);
  min-width: 180px;
}
.org-node.ceo h4, .org-node.ceo p { color: var(--white); }

.org-node.director {
  background: var(--primary);
  border-color: var(--primary);
}
.org-node.director h4, .org-node.director p { color: var(--white); }

.org-node.manager {
  border-color: var(--accent);
}
.org-node.manager h4 { color: var(--primary); }

.org-connector {
  display: flex;
  justify-content: center;
  height: 32px;
  position: relative;
}
.org-connector::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  width: 2px; height: 100%;
  background: var(--gray-lt);
}

.org-h-line {
  height: 2px;
  background: var(--gray-lt);
  margin: 0 auto;
  width: 80%;
  position: relative;
}

/* ══════════════════════════════════════════════════════════════
   CONTACT PAGE
   ══════════════════════════════════════════════════════════════ */
.contact-layout {
  display: grid;
  gap: 40px;
}

.contact-info-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--transition);
}
.contact-info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.contact-icon {
  width: 50px; height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--primary-lt));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  color: var(--white);
}
.contact-info-card h4 { font-size: .9rem; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.contact-info-card p, .contact-info-card a {
  font-size: .9rem;
  color: var(--text-lt);
  line-height: 1.5;
  display: block;
}
.contact-info-card a:hover { color: var(--accent); }

.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow);
}
.contact-form-wrap h3 {
  font-size: 1.3rem; font-weight: 800; color: var(--dark); margin-bottom: 6px;
}
.contact-form-wrap > p { font-size: .9rem; color: var(--text-lt); margin-bottom: 28px; }

.form-row { display: grid; gap: 18px; margin-bottom: 18px; }
@media (min-width: 640px) { .form-row { grid-template-columns: repeat(2, 1fr); } }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: .83rem;
  font-weight: 600;
  color: var(--text-md);
  letter-spacing: .02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 2px solid var(--light-2);
  border-radius: var(--radius);
  font-size: .92rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,64,128,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { cursor: pointer; }

.map-placeholder {
  height: 320px;
  background: linear-gradient(135deg, var(--light), var(--light-2));
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--gray-lt);
  color: var(--text-lt);
  gap: 10px;
  font-size: .9rem;
  margin-top: 40px;
}
.map-placeholder span { font-size: 3rem; opacity: .4; }

@media (min-width: 1024px) {
  .contact-layout { grid-template-columns: 1fr 1.4fr; }
}

/* ── Responsive adjustments ─────────────────────────────────── */
@media (max-width: 639px) {
  .section { padding: 52px 0; }
  .hero-stat { display: none; }
  .hero-stat:first-child { display: block; }
}

/* ── Accessibility ──────────────────────────────────────────── */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

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