*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f5f7fb;
  color: #0A0A0C;
}

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

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #00205B;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.35);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 999px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
}

.brand-subtitle {
  font-size: 0.7rem;
  opacity: 0.8;
}

.main-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  align-items: center;
  flex-wrap: wrap;
}

.main-nav a {
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.main-nav a:hover {
  background: rgba(255,255,255,0.1);
}

.main-nav .nav-cta {
  background: #0046FF;
  color: #ffffff;
  font-weight: 600;
}

.main-nav .nav-cta:hover {
  background: #2B6CFF;
}

/* Hero */

.hero {
  position: relative;
  color: #ffffff;
  min-height: 360px;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.7);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(0,70,255,0.8), rgba(0,32,91,0.95));
  mix-blend-mode: multiply;
}

.hero-content {
  position: relative;
  padding: 4.5rem 0 3.5rem;
}

.hero-text {
  max-width: 560px;
}

.hero h1 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 0.75rem;
}

.hero p {
  font-size: 1rem;
  max-width: 520px;
  line-height: 1.5;
  opacity: 0.95;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0.75rem;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.hero-tags span {
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.4);
  padding: 0.2rem 0.7rem;
  opacity: 0.9;
}

/* Sections */

.section {
  padding: 3rem 0;
}

.section-alt {
  background: #ffffff;
}

.section-header {
  text-align: left;
  margin-bottom: 2rem;
}

.section-header h2 {
  margin: 0 0 0.4rem;
  font-size: 1.6rem;
  color: #00205B;
}

.section-header p {
  margin: 0;
  color: #4b5563;
}

/* Grid & cards */

.grid {
  display: grid;
  gap: 1.5rem;
}

.cards-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: #ffffff;
  border-radius: 1rem;
  padding: 1.5rem 1.6rem;
  box-shadow: 0 10px 25px rgba(15,23,42,0.08);
  border: 1px solid rgba(148,163,184,0.25);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
  color: #00205B;
}

.card p {
  margin: 0.25rem 0 0;
  font-size: 0.92rem;
  color: #4b5563;
}

.highlight-card {
  background: linear-gradient(135deg, #00205B, #0046FF);
  color: #ffffff;
  border: none;
}

.highlight-card h3 {
  color: #ffffff;
}

.highlight-card p, .highlight-card li {
  color: rgba(255,255,255,0.95);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background: #0046FF;
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(37,99,235,0.45);
}

.btn-primary:hover {
  background: #2B6CFF;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255,255,255,0.8);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
}

.btn-lg {
  padding: 0.75rem 1.8rem;
}

/* Lists */

.bullet-list {
  list-style: none;
  padding-left: 0;
  margin: 0.75rem 0 0;
}

.bullet-list li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
  color: #374151;
}

.bullet-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #0046FF;
}

/* Two-column layout */

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
  gap: 1.8rem;
  align-items: flex-start;
}

/* Certifications */

.cert-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.cert-card {
  background: #0f172a;
  color: #e5e7eb;
  border-radius: 1rem;
  padding: 1.4rem 1.5rem;
  box-shadow: 0 18px 35px rgba(15,23,42,0.75);
}

.cert-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: rgba(148,163,184,0.2);
  margin-bottom: 0.55rem;
}

/* CTA section */

.section-cta {
  background: radial-gradient(circle at top left, #0046FF, #00205B);
  color: #ffffff;
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cta-inner p {
  max-width: 480px;
  margin-top: 0.4rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Page hero */

.page-hero {
  background: linear-gradient(135deg, #00205B, #0046FF);
  color: #ffffff;
  padding: 2.5rem 0;
  box-shadow: 0 10px 20px rgba(15,23,42,0.4);
}

.page-hero h1 {
  margin: 0 0 0.4rem;
  font-size: 1.8rem;
}

.page-hero p {
  margin: 0;
  max-width: 640px;
  font-size: 0.98rem;
}

/* Service detail */

.service-detail {
  margin-bottom: 2.25rem;
}

/* Contact */

.contact-layout {
  align-items: flex-start;
}

.contact-form {
  background: #ffffff;
  padding: 1.8rem 1.6rem;
  border-radius: 1rem;
  box-shadow: 0 12px 30px rgba(15,23,42,0.08);
  border: 1px solid rgba(148,163,184,0.35);
}

.form-row {
  margin-bottom: 1rem;
}

.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: #111827;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  border-radius: 0.7rem;
  border: 1px solid #d1d5db;
  padding: 0.55rem 0.7rem;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #0046FF;
  box-shadow: 0 0 0 1px rgba(37,99,235,0.35);
}

textarea {
  resize: vertical;
}

.form-note {
  font-size: 0.78rem;
  color: #6b7280;
  margin-top: 0.6rem;
}

.contact-card {
  background: #0f172a;
  color: #e5e7eb;
  border-radius: 1rem;
  padding: 1.6rem 1.5rem;
  box-shadow: 0 18px 35px rgba(15,23,42,0.9);
}

.contact-list {
  list-style: none;
  padding-left: 0;
  margin: 0.5rem 0 1rem;
}

.contact-list li {
  margin-bottom: 0.35rem;
}

/* Footer */

.site-footer {
  background: #020617;
  color: #e5e7eb;
  padding: 2.5rem 0 1.5rem;
  margin-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr));
  gap: 1.8rem;
  font-size: 0.85rem;
}

.footer-logo {
  width: 40px;
  height: 40px;
}

.footer-text {
  margin: 0.6rem 0 0;
  color: #9ca3af;
}

.site-footer h4 {
  margin: 0 0 0.4rem;
}

.site-footer ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.site-footer li {
  margin-bottom: 0.35rem;
  color: #9ca3af;
}

.footer-bottom {
  border-top: 1px solid rgba(148,163,184,0.35);
  margin-top: 1.8rem;
  padding-top: 1rem;
  text-align: center;
  font-size: 0.78rem;
  color: #6b7280;
}

/* Responsive */

@media (max-width: 820px) {
  .header-content {
    flex-wrap: wrap;
  }
  .main-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  .two-column {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-content {
    padding: 3.5rem 0 3rem;
  }
  .hero {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}