:root {
  --navy: #0d1b3d;
  --navy-2: #132654;
  --emerald: #0f8f7a;
  --emerald-soft: #dff6f1;
  --text: #1e293b;
  --muted: #5b6474;
  --line: #dfe5ee;
  --bg: #ffffff;
  --bg-soft: #f6f9fc;
  --shadow: 0 18px 45px rgba(13, 27, 61, 0.08);
  --radius: 24px;
  --radius-sm: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Open Sans', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(223,229,238,0.9);
}

.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 20px;
}

.brand { display: flex; flex-direction: column; }
.brand-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.brand-subtitle {
  font-size: 0.88rem;
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.main-nav a {
  font-weight: 600;
  color: var(--navy);
  position: relative;
  transition: color 0.25s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  background: var(--emerald);
  transition: width 0.25s ease;
}

.main-nav a:hover { color: var(--emerald); }
.main-nav a:hover::after { width: 100%; }
.main-nav .nav-cta {
  background: var(--navy);
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
}
.main-nav .nav-cta:hover { background: var(--emerald); color: #fff; }
.main-nav .nav-cta::after { display: none; }

.menu-toggle {
  display: none;
  border: 0;
  background: var(--navy);
  color: #fff;
  border-radius: 12px;
  width: 46px;
  height: 46px;
  font-size: 1.25rem;
  cursor: pointer;
}

.hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, #0a1632 60%, var(--navy-2) 100%);
  color: #fff;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(15, 143, 122, 0.28), transparent 32%),
    radial-gradient(circle at 85% 15%, rgba(64, 122, 255, 0.18), transparent 28%),
    radial-gradient(circle at 60% 80%, rgba(15, 143, 122, 0.14), transparent 24%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 54px;
  align-items: center;
  padding: 92px 0 86px;
}

.eyebrow,
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: rgba(15, 143, 122, 0.14);
  color: var(--emerald);
  border: 1px solid rgba(15, 143, 122, 0.2);
}

.section-tag.light {
  color: #7ce8d6;
  background: rgba(124, 232, 214, 0.12);
  border-color: rgba(124, 232, 214, 0.2);
}

.hero h1,
.section h2,
.dark-band h2 {
  font-family: 'Montserrat', sans-serif;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 18px 0 0;
}

.hero h1 { font-size: clamp(2.4rem, 5vw, 4.3rem); max-width: 11ch; }
.hero p {
  color: rgba(255,255,255,0.82);
  max-width: 640px;
  font-size: 1.06rem;
  margin: 24px 0 0;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--emerald);
  color: #fff;
  box-shadow: 0 16px 30px rgba(15, 143, 122, 0.24);
}
.btn-primary:hover { background: #0b7a68; }
.btn-secondary {
  border: 1px solid rgba(255,255,255,0.28);
  color: #fff;
  background: transparent;
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); }
.contact-section .btn-secondary {
  border-color: var(--line);
  color: var(--navy);
}
.contact-section .btn-secondary:hover { background: var(--bg-soft); }

.hero-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.glass-card {
  padding: 26px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 24px 34px rgba(0,0,0,0.12);
  backdrop-filter: blur(12px);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 232, 214, 0.4);
}
.glass-card h3 {
  font-family: 'Montserrat', sans-serif;
  margin: 0 0 10px;
  font-size: 1.08rem;
}
.glass-card p { margin: 0; color: rgba(255,255,255,0.8); font-size: 0.95rem; }

.section { padding: 92px 0; }
.section-alt { background: var(--bg-soft); }
.section h2,
.dark-band h2 { font-size: clamp(2rem, 3vw, 3.2rem); }
.section p { color: var(--muted); }

.about-grid,
.contact-grid,
.dark-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}

.pillar-stack { display: grid; gap: 16px; }
.pillar-card,
.contact-card,
.news-card,
.service-card,
.faq-item,
.dark-card {
  border-radius: var(--radius);
}

.pillar-card {
  padding: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fff, #f8fbff);
  box-shadow: var(--shadow);
}
.pillar-card h3,
.service-card h3,
.news-card h3,
.dark-card h3 {
  font-family: 'Montserrat', sans-serif;
  margin: 0 0 10px;
  color: var(--navy);
}

.section-header {
  max-width: 860px;
  margin-bottom: 40px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.service-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 22px 50px rgba(13, 27, 61, 0.12);
  border-color: rgba(15, 143, 122, 0.32);
}
.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  color: var(--emerald);
  background: var(--emerald-soft);
  margin-bottom: 18px;
}
.service-card ul,
.footer-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.service-card li,
.footer-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  color: var(--muted);
}
.service-card li::before,
.footer-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
}

.dropdown-box {
  margin-top: 18px;
  border: 1px solid rgba(15, 143, 122, 0.18);
  background: #f8fefd;
  overflow: hidden;
}
.dropdown-box summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 20px;
  font-weight: 700;
  color: var(--navy);
  position: relative;
}
.dropdown-box summary::-webkit-details-marker { display: none; }
.dropdown-box summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.35rem;
  color: var(--emerald);
}
.dropdown-box[open] summary::after { content: "–"; }
.dropdown-content { padding: 0 20px 20px; }
.dropdown-content p { margin: 10px 0 0; }

.dark-band {
  background: linear-gradient(135deg, var(--navy) 0%, #09152f 100%);
  color: #fff;
}
.dark-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.dark-card {
  padding: 28px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
}
.dark-card h3 { color: #fff; }
.dark-card p { color: rgba(255,255,255,0.78); }

.faq-list { display: grid; gap: 16px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 28px;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--navy);
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.35rem;
  color: var(--emerald);
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p {
  margin: 0;
  padding: 0 28px 24px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.news-card {
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}
.news-card:hover { transform: translateY(-6px); box-shadow: 0 22px 50px rgba(13, 27, 61, 0.12); }
.news-label {
  display: inline-block;
  margin-bottom: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--emerald-soft);
  color: var(--emerald);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-card {
  padding: 32px;
  background: linear-gradient(180deg, #fff, #f8fbff);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.contact-item + .contact-item {
  border-top: 1px solid var(--line);
  margin-top: 18px;
  padding-top: 18px;
}
.contact-label {
  display: inline-block;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--navy);
  font-family: 'Montserrat', sans-serif;
}
.contact-card a:hover,
.site-footer a:hover {
  color: var(--emerald);
}

.site-footer {
  background: #09152f;
  color: rgba(255,255,255,0.82);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.9fr;
  gap: 36px;
  padding: 64px 0 34px;
}
.site-footer h3,
.site-footer h4 {
  font-family: 'Montserrat', sans-serif;
  color: #fff;
  margin: 0 0 14px;
}
.footer-subtitle {
  margin-top: -6px;
  color: rgba(255,255,255,0.62);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 18px 0;
  text-align: center;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.58);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }

@media (max-width: 980px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .dark-grid,
  .footer-grid,
  .services-grid,
  .news-grid,
  .dark-cards {
    grid-template-columns: 1fr;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 82px;
    left: 20px;
    right: 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border-radius: 22px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .main-nav.is-open { display: flex; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .hero h1 { max-width: 100%; }
}

@media (max-width: 640px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .section, .hero-grid { padding-top: 72px; padding-bottom: 72px; }
  .service-card, .news-card, .pillar-card, .contact-card, .faq-item summary, .faq-item p { padding-left: 20px; padding-right: 20px; }
  .hero-cards { grid-template-columns: 1fr; }
}