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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #103041;
  background-color: #f5f7fb;
  line-height: 1.7;
}

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

a {
  color: #0f6c8c;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(245, 247, 251, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #d5e2f0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0;
}

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

.logo {
  height: 88px; /* increased for better readability */
}

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

.logo-title {
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: #092c4c;
}

.logo-subtitle {
  font-size: 0.8rem;
  color: #4b6a7f;
}

.main-nav {
  display: flex;
  gap: 1.1rem;
  align-items: center;
  font-size: 0.95rem;
}

.main-nav a {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

.main-nav a:hover {
  background: #e1ecf7;
  text-decoration: none;
}

.nav-cta {
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  border: 1px solid #0f6c8c;
  color: #0f6c8c;
}

.nav-cta:hover {
  background: #0f6c8c;
  color: #ffffff;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.3rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 3px 0;
  background: #092c4c;
  border-radius: 999px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.96rem;
  background: #0f6c8c;
  color: #fff;
  box-shadow: 0 10px 22px rgba(6, 71, 99, 0.2);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.btn:hover {
  background: #0a4c65;
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(6, 71, 99, 0.25);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: #0f6c8c;
  border: 1px solid #0f6c8c;
  box-shadow: none;
}

.btn-outline:hover {
  background: #0f6c8c;
  color: #fff;
}

.btn-small {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  box-shadow: none;
}

/* Hero */

.hero {
  position: relative;
  color: #ffffff;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("assets/hero-main.png");
  background-size: cover;
  background-position: center;
  filter: brightness(0.55);
  transform: scale(1.02);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 0%, rgba(15,108,140,0.45), transparent 55%),
              linear-gradient(to bottom, rgba(0,0,0,0.35), rgba(0,0,0,0.65));
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-content {
  max-width: 720px;
}

.hero-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.hero-logo-mark img {
  height: 120px;
}

.hero-tagline {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: #c7e7ff;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.hero h1 {
  font-size: 2.7rem;
  margin-bottom: 0.85rem;
}

.hero p {
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  font-size: 0.86rem;
  color: #e6f4ff;
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-meta span::before {
  content: "•";
  color: #ffdd9a;
  font-size: 1.2rem;
}

/* Generic sections */

.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: #ffffff;
}

.section-light {
  background: #ecf3fb;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 0.9rem;
  color: #092c4c;
}

.section-intro {
  max-width: 760px;
  margin-bottom: 2rem;
}

/* Layout helpers */

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.7rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.7rem;
}

/* Cards */

.card {
  background: #ffffff;
  border-radius: 1.1rem;
  padding: 1.6rem 1.5rem;
  box-shadow: 0 10px 25px rgba(9, 44, 76, 0.06);
  border: 1px solid #dbe6f2;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
}

/* Lists */

.card-list,
.checklist {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.card-list li {
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.card-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  top: 0;
  color: #0f6c8c;
}

.checklist li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #0f6c8c;
  font-weight: 700;
}

/* Image blocks */

.image-frame {
  border-radius: 1.3rem;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(9, 44, 76, 0.22);
  border: 4px solid #ffffff;
}

/* Forms */

.contact-form {
  background: #ffffff;
  padding: 1.6rem 1.5rem;
  border-radius: 1.1rem;
  border: 1px solid #dbe6f2;
  box-shadow: 0 10px 25px rgba(9, 44, 76, 0.05);
}

.contact-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 0.65rem;
  border: 1px solid #c3d6ea;
  font-family: inherit;
  font-size: 0.95rem;
  margin-bottom: 0.9rem;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid #0f6c8c33;
  border-color: #0f6c8c;
}

.form-btn {
  width: 100%;
  margin-top: 0.4rem;
}

.form-note {
  font-size: 0.8rem;
  color: #62738a;
  margin-top: 0.75rem;
}

.form-success {
  font-size: 0.8rem;
  margin-top: 0.55rem;
  color: #0a6b5c;
}

/* Tabs */

.tabs {
  display: inline-flex;
  padding: 0.25rem;
  border-radius: 999px;
  background: #e0ebf9;
  margin-bottom: 1.4rem;
}

.tab-button {
  border: none;
  background: transparent;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  color: #103041;
}

.tab-button.active {
  background: #ffffff;
  box-shadow: 0 5px 16px rgba(9, 44, 76, 0.16);
}

.tab-panels {
  border-radius: 1.1rem;
  background: #ffffff;
  padding: 1.6rem 1.5rem;
  box-shadow: 0 10px 25px rgba(9, 44, 76, 0.05);
  border: 1px solid #dbe6f2;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.resource-list {
  padding-left: 1.2rem;
  margin: 0;
}

/* Footer */

.site-footer {
  background: #09263a;
  color: #e5edf7;
  padding: 2.4rem 0 2rem;
  font-size: 0.85rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1.1fr 1.1fr;
  gap: 2.5rem;
  margin-bottom: 1.5rem;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}

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

.footer-links li {
  margin-bottom: 0.35rem;
}

.footer-links a {
  color: #e5edf7;
  opacity: 0.85;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid #1a3b53;
  padding-top: 0.9rem;
}

/* Responsive */

@media (max-width: 980px) {
  .hero {
    min-height: 60vh;
  }
  .two-col,
  .grid-2,
  .grid-3,
  .footer-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    right: 1.25rem;
    background: #ffffff;
    border-radius: 0.9rem;
    padding: 0.75rem;
    box-shadow: 0 16px 40px rgba(9, 44, 76, 0.22);
    flex-direction: column;
    min-width: 210px;
  }

  .main-nav a {
    padding: 0.5rem 0.7rem;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: inline-block;
  }

  .logo {
    height: 72px;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 2.15rem;
  }

  .section {
    padding: 3rem 0 2.6rem;
  }
}