:root {
  --blue-dark: #00296B;
  --blue-mid: #003F88;
  --blue-light: #00509D;
  --yellow-dark: #FDC500;
  --yellow-light: #FFD500;
  --white: #fff;
  /* Dark theme tokens */
  --bg: #011B3A;           /* deep navy background */
  --surface: #08264E;      /* card surfaces */
  --surface-alt: #0B2F60;  /* alt section */
  --text: #E8EEF5;         /* primary text */
  --text-dim: #C5D1E0;     /* secondary text */
  --accent-green: #22C55E; /* icon green */
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

/* Accessibility helpers */
.skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { left: 1rem; top: 1rem; width: auto; height: auto; background: var(--yellow-dark); color: #000; padding: .5rem .75rem; border-radius: 4px; z-index: 1000; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.section { padding: 4rem 0; }
.section--alt { background: var(--surface-alt); }

/* Section headers */
.section-head { text-align: center; margin-bottom: 2rem; }
.section-head h2 { font-weight: 800; font-size: 1.8rem; margin-bottom: .25rem; color: #fff; }
.section-head p { color: var(--text-dim); }

.site-header { background: var(--blue-dark); color: var(--white); }
.site-header .container { padding-left: 1.5rem; padding-right: 1.5rem; }
.topbar { background: #000; padding: .5rem 0; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; }
.topbar-note { color: #ddd; }
.topbar-socials { display: flex; gap: .8rem; }
.tb-social { display: inline-flex; text-decoration: none; }
.tb-icon { width: 20px; height: 20px; display: block; }
.tb-social:hover .tb-icon { opacity: 0.85; }
.topbar-note { font-size: 0.9rem; }

.header-inner { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; }
.brand { display: flex; align-items: center; color: var(--white); text-decoration: none; font-weight: 800; font-size: 1.2rem; }
.brand-name { font-size: 1.5rem; font-weight: 500; }
.brand-logo { margin-right: .5rem; }

.nav-menu { display: flex; gap: 1rem; list-style: none; }
.nav-menu a { color: var(--white); text-decoration: none; font-weight: 600; }
.nav-menu a:hover { color: var(--yellow-light); }

.nav-toggle { display: none; background: transparent; border: 2px solid rgba(255,255,255,0.4); color: var(--white); padding: .4rem .7rem; border-radius: 4px; }

.hero { background: var(--blue-light); color: var(--white); padding: 4rem 0; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.hero .lead { font-size: 1.2rem; margin-bottom: .5rem; }
.hero-actions { display: flex; gap: 1rem; margin-top: 1rem; }
.hero-media { display: flex; justify-content: flex-end; }
.hero-media img { width: 100%; height: auto; max-width: 600px; max-height: 65vh; border-radius: 4px; }
.btn {
  background: var(--yellow-dark);
  color: #000;
  padding: .75rem 1.5rem;
  text-decoration: none;
  font-weight: 600;
  border-radius: 4px;
  transition: background .3s, color .3s;
}
.btn:hover { background: var(--yellow-light); color: #000; }
.btn--line {
  background: transparent;
  border: 2px solid var(--yellow-dark);
  color: var(--yellow-dark);
}
.btn--line:hover {
  background: var(--blue-mid);
  color: var(--white);
  border-color: var(--blue-mid);
}

.badges { list-style: none; display: flex; gap: 1rem; margin-top: 1rem; flex-wrap: wrap; }
.badge { background: rgba(255,255,255,0.1); padding: .3rem .6rem; border-radius: 4px; }

.grid { display: grid; gap: 2rem; }
.services-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--surface);
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  overflow: hidden;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.06);
}
.card img { width: 100%; height: auto; display: block; }
.services-grid .card img {
  /* Keep all service images uniform */
  aspect-ratio: 20 / 13; /* ~400x260 */
  width: 100%;
  height: auto;
  object-fit: cover;
}
.card h3 { margin: 1rem 0 .5rem; color: #fff; }
.card p { padding: 0 1rem 1rem; font-size: 0.95rem; color: var(--text-dim); }

.about { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }
.about img { width: 100%; border-radius: 4px; }

.cred-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); text-align: center; }
.cred { padding: 1.25rem 1.25rem; background: var(--surface); border-radius: 4px; box-shadow: 0 2px 4px rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.06); }
.cred-head { display: flex; align-items: center; justify-content: center; gap: .6rem; margin-bottom: .35rem; }
.cred-icon { width: 48px; height: 48px; display: block; flex-shrink: 0; filter: invert(57%) sepia(56%) saturate(432%) hue-rotate(92deg) brightness(94%) contrast(88%); }
.cred-head h3 { margin: 0; color: #fff; font-size: 1.1rem; line-height: 1; }
.cred .cred-head h3 { margin-bottom: 0; }
.cred h3 { margin-bottom: .25rem; color: #fff; font-size: 1.1rem; }
.cred p { margin: 0; color: var(--text-dim); }
/* Make credential links readable and clearly clickable */
.cred a, .cred a:visited { color: #fff; font-weight: inherit; text-decoration: underline; }
.cred a:hover { color: var(--yellow-light); }

.gallery-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.gallery-item { display: block; }
.gallery-item img {
  /* Uniform gallery thumbs */
  aspect-ratio: 4 / 3;
  width: 100%;
  height: auto;
  border-radius: 4px;
  transition: transform .3s;
  object-fit: cover;
}
.gallery-item img:hover { transform: scale(1.03); }

.contact-grid { display: flex; justify-content: center; }
.contact-aside { max-width: 640px; padding: 1rem; }
.contact-list { list-style: none; margin-top: 1rem; }
.contact-list li { margin-bottom: .5rem; }
.map { width: 100%; height: auto; border-radius: 4px; margin-top: 1rem; }

/* Social badges */
.socials { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.socials .social { display: inline-flex; align-items: center; gap: .5rem; padding: .45rem .6rem; border: 1px solid var(--blue-light); color: #fff; background: var(--blue-light); text-decoration: none; border-radius: 6px; font-weight: 600; font-size: .9rem; transition: background .2s, color .2s, border-color .2s; }
.socials .social:hover { background: var(--yellow-dark); color: #000; border-color: var(--yellow-dark); }
.socials .social svg { width: 18px; height: 18px; fill: currentColor; display: block; }
.socials .social .icon { width: 24px; height: 24px; border-radius: 50%; background: transparent; color: currentColor; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; font-size: 12px; border: 1px solid rgba(255,255,255,0.35); }
.socials .social:hover .icon { background: rgba(0,0,0,0.08); color: inherit; border-color: rgba(0,0,0,0.2); }
.socials .social .icon-svg { width: 18px; height: 18px; display: block; }

.site-footer { background: var(--blue-dark); color: var(--white); text-align: center; padding: 1rem 0; font-size: 0.9rem; }

/* Contact list link contrast */
.contact-list a { color: var(--yellow-light); text-decoration: none; font-weight: 700; }
.contact-list a:hover { text-decoration: underline; }

/* Contact layout tweaks */
.contact-aside .socials { justify-content: space-evenly; column-gap: 0; row-gap: .5rem; width: 100%; }
.contact-list li { display: grid; grid-template-columns: 90px 1fr; column-gap: .5rem; align-items: baseline; }
.contact-list strong { text-align: right; color: var(--text-dim); }
.contact-list span { color: var(--text); }

/* Lightbox */
.lightbox[hidden] { display: none !important; }
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.8); display: flex; align-items: center; justify-content: center; padding: 1rem; z-index: 999; }
.lightbox-figure { margin: 0; max-width: 90vw; max-height: 90vh; display: flex; flex-direction: column; align-items: center; }
.lightbox img { max-width: 90vw; max-height: 80vh; border-radius: 4px; box-shadow: 0 8px 24px rgba(0,0,0,0.4); }
.lightbox-caption { margin-top: .5rem; color: #eee; background: rgba(0,0,0,0.35); padding: .35rem .5rem; border-radius: 4px; font-size: .95rem; text-align: center; max-width: 90vw; }
.lightbox-close { position: absolute; top: 1rem; right: 1rem; background: rgba(255,255,255,0.15); color: #fff; border: none; font-size: 2rem; line-height: 1; width: 2.25rem; height: 2.25rem; border-radius: 4px; cursor: pointer; }
.lightbox-close:hover { background: rgba(255,255,255,0.25); }

@media (max-width: 768px) {
  .hero-inner, .about { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-block; }
  .nav { position: relative; }
  .nav-menu { display: none; position: absolute; right: 0; top: calc(100% + .5rem); z-index: 100; background: var(--blue-mid); padding: .75rem; border-radius: 4px; flex-direction: column; gap: .5rem; width: calc(100vw - 2rem); max-width: 360px; box-shadow: 0 8px 16px rgba(0,0,0,0.25); }
  .nav-menu a { padding: .5rem .75rem; border-radius: 4px; }
  .header-inner { padding: 1rem 0; }
  .nav-menu.is-open { display: flex; }
  .hero-media { justify-content: center; }
  .hero-media img { max-width: 100%; max-height: 50vh; }
}

/* Extra safe horizontal padding on very small screens (e.g., iPhone) */
@media (max-width: 480px) {
  .site-header .topbar .container,
  .site-header .header-inner {
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
  }
  .nav-menu { right: max(1rem, env(safe-area-inset-right)); }
}

/* Back to top button */
.backtotop {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--yellow-dark);
  color: #000;
  box-shadow: 0 8px 18px rgba(0,0,0,0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .25s, transform .25s, visibility .25s, background .2s;
  z-index: 1000;
}
.backtotop:hover { background: var(--yellow-light); }
.backtotop:focus { outline: 2px solid var(--yellow-light); outline-offset: 2px; }
.backtotop.show { opacity: 1; visibility: visible; transform: translateY(0); }

@media (max-width: 480px) {
  .backtotop { right: .75rem; bottom: .75rem; width: 40px; height: 40px; }
}