/* ── Reset & Base ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --navy: #1b2a4a;
  --navy-light: #2c3e6b;
  --grey-dark: #3a3a3a;
  --grey-mid: #6b7280;
  --grey-light: #f3f4f6;
  --white: #ffffff;
  --accent: #4a90d9;
  --accent-hover: #3b7ac4;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --max-width: 1100px;
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--grey-dark);
  line-height: 1.6;
  background: var(--white);
}

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

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

ul {
  list-style: none;
}

/* ── Layout helpers ── */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section {
  padding: 4rem 0;
}

.section-title {
  font-size: 1.75rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--grey-mid);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* ── Header / Nav ── */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 46px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 1.75rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  transition: color var(--transition);
}

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

/* hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition);
}

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 5rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-outline {
  border: 2px solid var(--white);
  color: var(--white);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ── Service Cards ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--grey-mid);
  font-size: 0.95rem;
}

/* ── Why-us / features row ── */
.features {
  background: var(--grey-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  text-align: center;
}

.feature-item h3 {
  color: var(--navy);
  margin: 0.75rem 0 0.25rem;
}

.feature-item p {
  color: var(--grey-mid);
  font-size: 0.9rem;
}

.feature-icon {
  font-size: 2.25rem;
}


/* ── Page header (non-home pages) ── */
.page-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 3rem 0;
  text-align: center;
}

.page-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 550px;
  margin: 0 auto;
}

/* ── Footer ── */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.65);
  padding: 2.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}

.site-footer h4 {
  color: var(--white);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.site-footer ul li {
  margin-bottom: 0.4rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.site-footer a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.25rem;
  text-align: center;
  font-size: 0.85rem;
}

/* ── Services page detail ── */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid #e5e7eb;
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

.service-detail h3 {
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.service-detail p {
  color: var(--grey-mid);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.service-detail ul {
  list-style: none;
  padding: 0;
}

.service-detail ul li {
  padding: 0.25rem 0;
  color: var(--grey-mid);
  font-size: 0.9rem;
}

.service-detail ul li::before {
  content: "✓ ";
  color: var(--accent);
  font-weight: 700;
}

.service-icon-large {
  font-size: 5rem;
  text-align: center;
  opacity: 0.85;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 1rem 5%;
    gap: 0.75rem;
    display: none;
  }

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

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .service-detail {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .service-detail:nth-child(even) {
    direction: ltr;
  }

  .service-icon-large {
    font-size: 3.5rem;
  }
}