:root {
  --bg: #f4f7f9;
  --surface: #ffffff;
  --surface-alt: #e9eff2;
  --text: #14242e;
  --muted: #3f5765;
  --primary: #136f8a;
  --primary-dark: #0e5b72;
  --accent: #3ba67a;
  --border: #cdd9df;
  --focus: #ffb703;
  --shadow: 0 10px 30px rgba(12, 42, 56, 0.12);
  --radius: 14px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Avenir Next", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7fbfd 0%, var(--bg) 30%, #eef3f6 100%);
  line-height: 1.6;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.narrow {
  width: min(760px, 92%);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 2000;
  background: var(--surface);
  padding: 0.6rem 0.85rem;
  border: 2px solid var(--primary);
  border-radius: 8px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.2px;
  text-decoration: none;
}

.menu-toggle {
  width: 46px;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  display: grid;
  place-content: center;
  gap: 4px;
  cursor: pointer;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: none;
}

.nav-links.open {
  display: block;
}

.nav-links a {
  display: block;
  padding: 0.85rem 1rem;
  text-decoration: none;
  font-weight: 600;
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: var(--surface-alt);
  color: var(--text);
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.65);
}

.hero {
  padding: 5rem 0 4rem;
}

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

.eyebrow {
  color: var(--primary-dark);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.5rem 0;
  font-size: 0.8rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(1.85rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.1rem;
}

p {
  margin: 0 0 1rem;
}

.hero-text {
  color: var(--muted);
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1.15rem;
  font-weight: 700;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-light {
  background: #fff;
  color: var(--primary-dark);
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.hero-card ul {
  margin: 0;
  padding-left: 1.2rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.cards {
  grid-template-columns: 1fr;
}

.card,
.testimonial {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.2rem;
  border: 1px solid var(--border);
}

.value-grid article {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
}

.testimonials-grid {
  grid-template-columns: 1fr;
}

blockquote {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  color: var(--muted);
}

.cta-banner {
  background: linear-gradient(120deg, #0f5f78, #167e9d);
  color: #fff;
  padding: 2.2rem 0;
}

.cta-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.accordion {
  display: grid;
  gap: 0.8rem;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: clip;
  background: var(--surface);
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  border: none;
  background: var(--surface);
  font-size: 1rem;
  font-weight: 700;
  padding: 1rem;
  cursor: pointer;
}

.accordion-panel {
  padding: 0 1rem 1rem;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem;
}

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

label {
  font-weight: 600;
  display: block;
  margin-bottom: 0.3rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid #b8c8d1;
  border-radius: 10px;
  padding: 0.7rem 0.75rem;
  font: inherit;
  background: #fff;
}

.error-message {
  min-height: 1.1em;
  margin: 0.35rem 0 0;
  color: #b42318;
  font-size: 0.9rem;
}

.form-status {
  margin-top: 0.85rem;
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #fff;
  padding: 1.2rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.back-to-top {
  color: var(--primary-dark);
  font-weight: 600;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

@media (min-width: 800px) {
  .menu-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    display: flex;
    border-bottom: none;
    background: transparent;
    gap: 0.3rem;
  }

  .nav-links a {
    padding: 0.5rem 0.7rem;
    border-radius: 8px;
  }

  .hero-grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
  }

  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .value-grid,
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cta-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}