:root {
  --navy: #0d2c6b;
  --navy-dark: #08204f;
  --gold: #f5a623;
  --gray-900: #14213d;
  --gray-600: #5a6478;
  --gray-200: #e8ebf1;
  --bg: #ffffff;
  --bg-soft: #f7f8fb;
  --radius: 14px;
  --max-width: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-900);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; display: block; }

/* Header */
.site-header {
  padding: 18px 0;
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.logo-link {
  display: block;
}
.logo {
  height: 60px;
  width: auto;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.main-nav a {
  text-decoration: none;
  color: var(--gray-900);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color .2s ease;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--navy);
}
.main-nav a.nav-cta {
  background: var(--navy);
  color: #fff;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
}
.main-nav a.nav-cta:hover {
  background: var(--navy-dark);
  color: #fff;
}

/* Page hero (sub-pages) */
.page-hero {
  text-align: center;
  padding: 56px 0 48px;
  background: var(--bg-soft);
}
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 16px;
}
.page-hero p {
  max-width: 620px;
  margin: 0 auto;
  color: var(--gray-600);
}

/* Hero */
.hero {
  text-align: center;
  padding: 40px 0 64px;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  margin: 0 0 20px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 24px;
  color: var(--navy);
}
.hero h1 span { color: var(--gray-900); }
.hero .lead {
  max-width: 660px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
  color: var(--gray-600);
}
.btn {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 999px;
  transition: background .2s ease, transform .2s ease;
}
.btn:hover {
  background: var(--navy-dark);
  transform: translateY(-1px);
}

/* Services */
.services {
  background: var(--bg-soft);
  padding: 64px 0;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.service-card {
  display: block;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: box-shadow .2s ease, transform .2s ease;
}
.service-card:hover {
  box-shadow: 0 12px 28px rgba(13,44,107,0.08);
  transform: translateY(-3px);
}
.icon-wrap {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--gold);
}
.service-card .icon-wrap svg { width: 100%; height: 100%; }
.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 14px;
  position: relative;
  padding-bottom: 10px;
}
.service-card h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 2px;
  background: var(--gold);
}
.service-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
  color: var(--gray-600);
}
.service-card li { margin-bottom: 6px; }

/* Pillars */
.pillars {
  text-align: center;
  padding: 56px 0;
}
.pillars-row {
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
}
.pillars-row i { color: var(--gold); font-style: normal; }
.pillars-row .divider {
  color: var(--gray-200);
  margin: 0 16px;
  font-weight: 300;
}
.pillars p {
  color: var(--gray-600);
  max-width: 560px;
  margin: 0 auto;
}

/* Coming soon */
.coming-soon {
  background: var(--navy);
  color: #fff;
  text-align: center;
  padding: 56px 0;
}
.coming-soon h2 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 3vw, 2rem);
}
.coming-soon p {
  margin: 0;
  color: rgba(255,255,255,0.75);
}

/* Message form */
.message-form {
  background: var(--bg-soft);
  padding: 64px 0;
}
.form-wrap {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}
.form-wrap h2 {
  color: var(--navy);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: 0 0 10px;
}
.form-wrap > p {
  color: var(--gray-600);
  margin: 0 0 32px;
}
#contact-form {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hidden-field { display: none; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
#contact-form input,
#contact-form textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  padding: 14px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  background: #fff;
  color: var(--gray-900);
  resize: vertical;
}
#contact-form input:focus,
#contact-form textarea:focus {
  outline: none;
  border-color: var(--navy);
}
#contact-form .btn {
  border: none;
  cursor: pointer;
  font-family: inherit;
  align-self: flex-start;
}
.form-success, .form-error {
  font-weight: 600;
  padding: 16px;
  border-radius: 10px;
  margin-top: 8px;
}
.form-success {
  color: #1a7a4c;
  background: #e6f7ee;
}
.form-error {
  color: #b3261e;
  background: #fdecea;
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

/* Contact */
.contact { padding: 64px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--gray-900);
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 24px 12px;
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  transition: background .2s ease, transform .2s ease;
  word-break: break-word;
}
.contact-card:hover {
  background: var(--gray-200);
  transform: translateY(-2px);
}
.contact-card .icon-wrap {
  width: 26px;
  height: 26px;
  margin: 0;
  color: var(--navy);
}
.contact-card .icon-wrap svg { width: 100%; height: 100%; }

/* Footer */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.8);
  padding: 56px 0 0;
  margin-top: 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.2fr 0.9fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.social-icons {
  display: flex;
  gap: 12px;
}
.social-icons a {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: background .2s ease, color .2s ease;
}
.social-icons a svg { width: 20px; height: 20px; }
.social-icons a:hover {
  background: var(--gold);
  color: var(--navy-dark);
}

/* Floating actions */
.floating-actions {
  position: fixed;
  right: 22px;
  bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 200;
}
.floating-btn {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--gold);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(13,44,107,0.25);
  transition: transform .2s ease, opacity .2s ease, background .2s ease;
}
.floating-btn svg { width: 24px; height: 24px; }
.floating-btn:hover { background: var(--navy); transform: translateY(-2px); }
#scroll-top-btn {
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
}
#scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
@media (max-width: 600px) {
  .floating-actions { right: 16px; bottom: 16px; }
  .floating-btn { width: 46px; height: 46px; }
}
.footer-logo-text {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 14px;
}
.footer-logo-text span { color: var(--gold); }
.footer-col p { margin: 0; font-size: 0.9rem; color: rgba(255,255,255,0.65); }
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin: 0 0 16px;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: color .2s ease;
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  text-align: center;
  padding: 20px 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* Service detail (services.html) */
.service-detail-list { padding: 24px 0 64px; }
.service-detail {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--gray-200);
}
.service-detail:last-child { border-bottom: none; }
.service-detail .icon-wrap {
  width: 48px;
  height: 48px;
  margin: 0;
  color: var(--gold);
}
.service-detail h2 {
  color: var(--navy);
  font-size: 1.3rem;
  margin: 0 0 10px;
}
.service-detail p {
  color: var(--gray-600);
  margin: 0 0 14px;
  max-width: 640px;
}
.service-detail ul {
  columns: 2;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--gray-600);
  font-size: 0.92rem;
}
.service-detail li {
  margin-bottom: 8px;
  break-inside: avoid;
}
.service-detail li::before {
  content: '\2022';
  color: var(--gold);
  font-weight: 700;
  margin-right: 8px;
}

/* About page */
.about-body { padding: 8px 0 64px; }
.about-body .lead-block {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
  color: var(--gray-600);
}
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.approach-card {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.approach-card h3 {
  color: var(--navy);
  font-size: 1.05rem;
  margin: 0 0 10px;
}
.approach-card p {
  color: var(--gray-600);
  font-size: 0.92rem;
  margin: 0;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
  background: var(--navy);
  border-radius: var(--radius);
  padding: 40px 24px;
  color: #fff;
}
.stats-row .stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  display: block;
}
.stats-row .stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
}

/* Placeholder page (projects) */
.placeholder-page {
  text-align: center;
  padding: 24px 0 80px;
}
.placeholder-page .icon-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  color: var(--gold);
}
.placeholder-page h2 {
  color: var(--navy);
  margin: 0 0 14px;
}
.placeholder-page p {
  max-width: 520px;
  margin: 0 auto 28px;
  color: var(--gray-600);
}

/* CTA banner */
.cta-banner {
  background: var(--bg-soft);
  text-align: center;
  padding: 56px 0;
}
.cta-banner h2 {
  color: var(--navy);
  margin: 0 0 12px;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
}
.cta-banner p {
  color: var(--gray-600);
  margin: 0 0 28px;
}

/* Responsive */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .approach-grid, .stats-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .header-inner { justify-content: center; text-align: center; }
  .main-nav { justify-content: center; width: 100%; gap: 16px 20px; }
  .service-detail { grid-template-columns: 1fr; text-align: left; }
  .service-detail ul { columns: 1; }
}
@media (max-width: 600px) {
  .logo { height: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .pillars-row .divider { margin: 0 8px; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-col a, .footer-col p { text-align: center; }
  .approach-grid, .stats-row { grid-template-columns: 1fr; }
}