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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: #0b1020;
  background-color: #f5f7fb;
  line-height: 1.6;
}

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

a {
  color: #005caa;
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

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

/* Header & navigation */
.site-header {
  background: #0b1020;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.logo {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  color: inherit;
}

.logo-mark {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.logo-tagline {
  font-size: 0.8rem;
  opacity: 0.85;
}

.main-nav {
  position: relative;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #fff;
  margin: 4px 0;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1rem;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-list a {
  color: #e1e5f0;
  font-size: 0.9rem;
  padding: 0.35rem 0.5rem;
  border-radius: 999px;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background-color: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

.nav-list a.active {
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  color: #fff;
}

/* Hero */
.hero {
  padding: 3.5rem 0 3rem;
  background: radial-gradient(circle at top left, #e0f2fe 0, #f5f7fb 45%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.7rem;
  color: #0f766e;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

h1,
h2,
h3,
h4 {
  font-weight: 650;
  color: #050816;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.1rem, 2.4vw + 1.6rem, 2.8rem);
  margin: 0 0 1rem;
}

.accent {
  display: block;
  color: #0f766e;
}

.lead {
  font-size: 1rem;
  max-width: 40rem;
  color: #1f2937;
}

.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 1.1rem 0 1.5rem;
}

.hero-bullets li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.hero-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
}

.hero-note {
  font-size: 0.8rem;
  color: #4b5563;
  max-width: 32rem;
}

.hero-media {
  align-self: stretch;
}

.hero-image-wrapper {
  background-color: #020617;
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.35);
  position: relative;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image-wrapper figcaption {
  font-size: 0.75rem;
  color: #cbd5f5;
  padding: 0.6rem 0.9rem;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.96), transparent);
  position: absolute;
  inset-inline: 0;
  bottom: 0;
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section-alt {
  background-color: #e5effc;
}

.section-header {
  max-width: 42rem;
  margin-bottom: 2rem;
}

.section-header h2 {
  margin-bottom: 0.6rem;
}

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

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.card {
  background-color: #ffffff;
  border-radius: 1rem;
  padding: 1.4rem 1.4rem 1.3rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0 0 0.6rem;
  font-size: 0.93rem;
  color: #4b5563;
}

.text-link {
  font-size: 0.88rem;
}

.newsletter-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.newsletter-copy p {
  color: #374151;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0.8rem;
}

.checklist li {
  position: relative;
  padding-left: 1.3rem;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -0.05rem;
  font-size: 0.85rem;
  color: #0f766e;
}

.small {
  font-size: 0.8rem;
  color: #4b5563;
}

.about-teaser-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 2.5rem;
  align-items: center;
}

.about-image-wrapper img {
  border-radius: 1.25rem;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
}

/* Page hero */
.page-hero {
  padding: 3rem 0 2.25rem;
  background: linear-gradient(135deg, #0b1020, #1e293b);
  color: #e5e7eb;
}

.page-hero h1 {
  color: #f9fafb;
}

.page-hero .lead {
  color: #e5e7eb;
  max-width: 46rem;
}

/* Layout helpers */
.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.25rem;
  align-items: flex-start;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.4fr) minmax(0, 3fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.legal-text h2 {
  margin-top: 1.7rem;
  margin-bottom: 0.4rem;
}

.legal-text p {
  margin-top: 0.1rem;
}

.legal-text ul {
  padding-left: 1.1rem;
}

/* Forms */
.newsletter-form,
.contact-form {
  background-color: #ffffff;
  padding: 1.7rem 1.6rem 1.5rem;
  border-radius: 1.2rem;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.2);
}

.newsletter-form h3,
.contact-form h2 {
  margin-top: 0;
}

.form-intro {
  font-size: 0.9rem;
  color: #4b5563;
  margin-bottom: 0.75rem;
}

.form-group {
  margin-bottom: 0.9rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 0.55rem;
  border: 1px solid #cbd5e1;
  font: inherit;
  resize: vertical;
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
  outline: 2px solid #0ea5e9;
  outline-offset: 1px;
  border-color: #0ea5e9;
}

.form-group-checkbox {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}

.form-group-checkbox input[type="checkbox"] {
  margin-top: 0.2rem;
}

.form-group-checkbox label {
  margin: 0;
}

.form-message {
  font-size: 0.85rem;
  margin-top: 0.75rem;
  min-height: 1em;
}

.form-message.success {
  color: #15803d;
}

.form-message.error {
  color: #b91c1c;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.6rem 1.3rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.08s;
}

.btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  color: #f9fafb;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.45);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.6);
  text-decoration: none;
}

.btn-secondary {
  background-color: transparent;
  color: #1d4ed8;
  border: 1px solid rgba(37, 99, 235, 0.55);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: rgba(37, 99, 235, 0.06);
  text-decoration: none;
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  background-color: #020617;
  color: #e5e7eb;
  padding-top: 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.5fr) minmax(0, 1.7fr) minmax(0, 2.6fr);
  gap: 2rem;
  padding-bottom: 1.8rem;
}

.footer-col h3,
.footer-col h4 {
  margin-top: 0;
  color: #e5e7eb;
}

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

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

.footer-links a {
  font-size: 0.85rem;
  color: #cbd5f5;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #ffffff;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.4);
  padding: 0.75rem 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom .small {
  color: #9ca3af;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .newsletter-grid,
  .about-teaser-grid,
  .two-column,
  .contact-grid,
  .cards-grid,
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 2.4rem;
  }

  .hero-media {
    order: -1;
  }

  .footer-bottom-inner {
    flex-direction: column;
    gap: 0.4rem;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .header-inner {
    padding-inline: 0.25rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-list {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 0.4rem;
    flex-direction: column;
    background-color: #020617;
    padding: 0.35rem 0.7rem 0.5rem;
    border-radius: 0.8rem;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.45);
    min-width: 9rem;
    display: none;
  }

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

  .hero-grid {
    gap: 2.2rem;
  }

  .section {
    padding: 2.3rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn-primary,
  .btn-secondary {
    transition: none;
  }
}