:root {
  --navy: #01325b;
  --navy-dark: #00223f;
  --orange: #ff5124;
  --orange-dark: #e0441b;
  --ink: #1f2a37;
  --muted: #5b6776;
  --line: #e3e7ec;
  --bg-alt: #f5f7fa;
  --radius: 6px;
  --serif: "Libre Baskerville", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: #fff;
}

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

a { color: var(--navy); }

h1, h2, h3 {
  font-family: var(--serif);
  color: var(--navy);
  line-height: 1.3;
  margin: 0 0 .6em;
}
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

.eyebrow {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: .8em;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy);
}
.brand img { border-radius: 4px; }
.brand small {
  font-family: var(--sans);
  font-weight: 400;
  font-size: .95rem;
  color: var(--muted);
}
.main-nav { display: flex; gap: 28px; }
.main-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: .98rem;
}
.main-nav a:hover { color: var(--orange); }

.header-actions { display: flex; align-items: center; gap: 12px; }

.lang-switch {
  display: flex;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.lang-switch button {
  border: 0;
  background: #fff;
  padding: 6px 11px;
  font: 600 .85rem var(--sans);
  color: var(--muted);
  cursor: pointer;
}
.lang-switch button[aria-pressed="true"] {
  background: var(--navy);
  color: #fff;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--navy);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background .2s, color .2s;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--navy); }

/* Hero */
.hero {
  background: var(--navy);
  color: #fff;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 48px;
  padding-block: 72px;
}
.hero h1 { color: #fff; }
.hero .lead { font-size: 1.1rem; color: #d7e1ec; max-width: 34em; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 20px 40px rgba(0, 0, 0, .25);
}

/* Sections */
.section { padding-block: 88px; }
.section-alt { background: var(--bg-alt); }
.section-head {
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head p:last-child { color: var(--muted); }

/* Services */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  border-top: 4px solid var(--orange);
}
.service img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.service-body { padding: 26px; }
.service-body > p { color: var(--muted); }
.service ul { margin: 0; padding-left: 1.1em; }
.service li { margin-bottom: .35em; }
.service li::marker { color: var(--orange); }

/* About */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}
.about-text p { color: var(--muted); }

/* Why MBT */
.pillars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.pillars li {
  padding-top: 20px;
  border-top: 3px solid var(--orange);
}
.pillars p { color: var(--muted); margin: 0; }

/* Keyboard focus */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

/* Contact */
.contact {
  background: var(--navy);
  color: #fff;
  text-align: center;
}
.contact h2 { color: #fff; }
.contact p { color: #d7e1ec; }
.contact-mail {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  color: #fff;
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 4px;
}
.contact-mail:hover { color: var(--orange); }

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: #9fb2c7;
  font-size: .92rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-block: 22px;
}
.site-footer p { margin: 0; }
.site-footer a { color: #9fb2c7; }

/* Responsive */
@media (max-width: 960px) {
  .services { grid-template-columns: 1fr 1fr; }
  .pillars { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .menu-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 20px; border-top: 1px solid var(--line); }
  .brand small { display: none; }

  .hero-inner,
  .about { grid-template-columns: 1fr; gap: 32px; }
  .hero-inner { padding-block: 48px; }
  .services,
  .pillars { grid-template-columns: 1fr; }
  .section { padding-block: 64px; }
}
