:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #eaf0f8;
  --text: #122033;
  --muted: #4d6077;
  --primary: #006d77;
  --primary-dark: #03565e;
  --accent: #ffb703;
  --border: #d8e2ee;
  --shadow: 0 12px 30px rgba(10, 24, 41, 0.1);
  --radius: 16px;
  --header-height: 92px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "IBM Plex Sans", sans-serif;
  background: radial-gradient(circle at 15% 15%, #e3edf9 0%, #f4f7fb 45%, #f9fbff 100%);
  color: var(--text);
  line-height: 1.6;
}

img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
}

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(244, 247, 251, 0.88);
  border-bottom: 1px solid var(--border);
}
.nav {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 1rem;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo {
  width: clamp(160px, 18vw, 200px);
  height: auto;
  max-height: 58px;
  object-fit: contain;
  border-radius: 0;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  margin-left: auto;
  gap: 1.4rem;
}

.nav-links a {
  font-weight: 600;
  color: var(--muted);
  transition: color 0.2s ease;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-dark);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  font-size: 1.2rem;
  cursor: pointer;
}

.hero,
.page-hero {
  position: relative;
  min-height: 72vh;
  display: grid;
  align-items: center;
  color: #f7fbff;
  isolation: isolate;
  overflow: hidden;
}

.hero {
  background: url("../images/hero-home.svg") center/cover no-repeat;
}

.page-hero-about {
  min-height: 52vh;
  background: url("../images/hero-about.svg") center/cover no-repeat;
}

.page-hero-services {
  min-height: 52vh;
  background: url("../images/hero-services.svg") center/cover no-repeat;
}

.page-hero-contact {
  min-height: 52vh;
  background: url("../images/hero-contact.svg") center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(130deg, rgba(8, 26, 43, 0.78), rgba(7, 64, 69, 0.48));
}

.hero-content {
  max-width: 680px;
  padding: 4rem 0;
}

.eyebrow {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-size: 0.82rem;
  margin-bottom: 0.8rem;
  color: #c8f8ff;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.6rem, 2.7vw, 2.3rem);
}

h3 {
  font-size: 1.25rem;
}

.hero p {
  font-size: 1.05rem;
  color: #e8f2ff;
}

.hero-actions {
  margin-top: 1.8rem;
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.75rem 1.4rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #0094a2);
  color: #fff;
  box-shadow: 0 8px 22px rgba(0, 109, 119, 0.35);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
}

.section {
  padding: 5rem 0;
}

.alt-bg {
  background: linear-gradient(180deg, rgba(217, 230, 245, 0.45), rgba(234, 240, 248, 0.8));
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading p {
  color: var(--muted);
  margin-top: 0.6rem;
}

.grid {
  display: grid;
  gap: 1.3rem;
}

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

.cards-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 1rem 0 0.5rem;
}

.card p {
  color: var(--muted);
}

.cta-band {
  background: linear-gradient(130deg, #06303b, #006d77);
  color: #ecfaff;
  padding: 3.2rem 0;
}

.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.testimonials {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.testimonials blockquote {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.3rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.testimonials p {
  color: var(--text);
  font-weight: 600;
}

.testimonials cite {
  display: block;
  margin-top: 0.8rem;
  color: var(--muted);
  font-style: normal;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 1.6rem;
}

.statement {
  padding: 1.6rem;
}

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

.contact-grid {
  grid-template-columns: minmax(320px, 760px);
  align-items: start;
  justify-content: center;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  font: inherit;
  color: var(--text);
  background: #fdfefe;
}

.contact-form textarea {
  resize: none;
}

.contact-info {
  display: grid;
  gap: 1rem;
}

.map-card iframe {
  margin-top: 0.8rem;
  width: 100%;
  min-height: 250px;
  border: none;
  border-radius: 12px;
}

.site-footer {
  background: #08192a;
  color: #d3e2f2;
  padding: 1.2rem 0;
}

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

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a:hover {
  color: #ffffff;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .cards-3,
  .testimonials,
  .cards-2,
  .services-grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: block;
  }
  .nav-links {
    position: absolute;
    top: calc(100% - 1px);
    left: 0;
    right: 0;
    background: rgba(244, 247, 251, 0.98);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-0.75rem);
    transition: opacity 0.2s ease, transform 0.25s ease, visibility 0.2s ease;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero,
  .page-hero {
    min-height: 60vh;
  }

  .section {
    padding: 4rem 0;
  }

  .brand-logo {
    width: clamp(156px, 42vw, 188px);
    max-height: 56px;
  }
}