:root {
  --color-primary: #184a96;
  --color-primary-dark: #143d7c;
  --color-accent: #d99c3b;
  --color-text: #3a3a3a;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-border: #e5e7eb;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: clamp(1.75rem, 3vw, 2.25rem);
  --font-size-3xl: clamp(2.5rem, 5vw, 3.25rem);
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-snug: 1.4;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.7;
  --max-width: 1200px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

picture { display: block; }
picture img { width: 100%; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  color: #1a1a1a;
}

h1 { font-size: var(--font-size-3xl); font-weight: var(--font-weight-bold); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: var(--font-size-md); font-weight: var(--font-weight-semibold); }

p { margin: 0 0 1rem; }

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-height);
}

.logo img { width: 120px; height: auto; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: 0.2s;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: 4px;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.header-cta {
  display: inline-block;
  padding: 0.6rem 1rem;
  background: var(--color-primary);
  color: #fff !important;
  border-radius: 6px;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  transition: background 0.2s;
}

.header-cta:hover {
  background: var(--color-primary-dark);
  color: #fff !important;
}

/* Hero */
.hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: #fff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(24, 74, 150, 0.75), rgba(24, 74, 150, 0.45));
}

.hero--home { min-height: 520px; }
.hero--home::before { background: rgba(24, 74, 150, 0.55); }

.hero .container { position: relative; z-index: 1; padding-block: 4rem; }

.hero h1 { color: #fff; margin-bottom: 0.5rem; }
.hero .tagline {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  opacity: 0.95;
  max-width: 36rem;
}

.hero .subtitle {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  opacity: 0.9;
  max-width: 32rem;
  margin-top: 0.75rem;
}

/* Sections */
.section { padding: 4rem 0; }
.section--alt { background: var(--color-bg-alt); }

.section-header { text-align: center; margin-bottom: 3rem; }
.section-header p {
  color: var(--color-text-light);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  max-width: 40rem;
  margin-inline: auto;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

/* Service cards */
.services-grid {
  display: grid;
  gap: 2.5rem;
}

.service-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.service-card:nth-child(even) .service-card__image { order: 2; }
.service-card:nth-child(even) .service-card__content { order: 1; }

.service-card__image img {
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}

.service-card__content h3 { color: var(--color-primary); }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat-card {
  padding: 2rem 1rem;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.stat-card svg {
  width: 2.5rem;
  height: 2.5rem;
  fill: var(--color-accent);
  margin: 0 auto 1rem;
}

.stat-card h3 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

/* CTA band */
.cta-band {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 4rem 0;
}

.cta-band h2 { color: #fff; margin-bottom: 1rem; }
.cta-band p { opacity: 0.9; max-width: 36rem; margin: 0 auto 1.5rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

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

.btn--primary:hover {
  background: #c48a2f;
  border-color: #c48a2f;
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

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

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

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

/* About page */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-intro img { border-radius: 8px; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1); }

.quote-block {
  text-align: center;
  max-width: 48rem;
  margin-inline: auto;
}

.quote-block > img { width: 48px; margin: 0 auto 1.5rem; opacity: 0.5; }

.quote-block blockquote {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-normal);
  font-style: italic;
  line-height: var(--line-height-relaxed);
  margin: 0 0 2rem;
  color: var(--color-text);
}

.quote-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.quote-author img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.quote-author p {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-snug);
}

/* Contact page */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info { display: grid; gap: 1.5rem; }

.contact-item h4 {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  font-family: var(--font-sans);
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.25rem;
}

.contact-item p {
  margin: 0;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
}

/* Form */
.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(24, 74, 150, 0.15);
}

.form-group textarea { resize: vertical; min-height: 140px; }

.success-banner {
  display: none;
  padding: 1rem;
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  border-radius: 6px;
  text-align: center;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  margin-bottom: 1.5rem;
}

.success-banner.visible { display: block; }

/* Footer */
.site-footer {
  background: #1a2e4a;
  color: rgba(255, 255, 255, 0.85);
  padding: 2.5rem 0 1.5rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-nav ul {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.85);
  padding: 0.25rem 0.75rem;
}

.footer-nav a:hover { color: #fff; }

.footer-logo { text-align: center; }
.footer-logo img { width: 75px; margin-inline: auto; }

.footer-copy {
  text-align: right;
  font-size: var(--font-size-sm);
  opacity: 0.7;
}

/* Two-column content (services detail) */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  padding: 2.5rem 0;
}

.split-section img {
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}

.split-section h3 { color: var(--color-primary); }

/* Mobile nav */
@media (max-width: 900px) {
  .nav-toggle { display: block; }

  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
  }

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

  .main-nav ul { flex-direction: column; align-items: stretch; }

  .header-cta { display: none; }

  .service-card,
  .service-card:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .service-card:nth-child(even) .service-card__image,
  .service-card:nth-child(even) .service-card__content { order: unset; }

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

  .about-intro,
  .contact-layout,
  .split-section { grid-template-columns: 1fr; }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-copy { text-align: center; }

  .logo img { width: 50px; }
}

@media (max-width: 500px) {
  .stats-grid { grid-template-columns: 1fr; }
  .section { padding: 2.5rem 0; }
}