:root {
  --navy: #0f2440;
  --navy-light: #16345c;
  --accent: #f4a300;
  --bg: #f7f8fa;
  --text: #1c1f26;
  --muted: #5b6472;
  --white: #ffffff;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  background: var(--navy);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--white);
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--white);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 90px 0 100px;
}

.hero .container {
  display: grid;
  gap: 24px;
}

.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 8px;
  max-width: 34ch;
}

.hero p {
  font-size: 1.15rem;
  color: #d7dee7;
  max-width: 55ch;
  margin: 0 0 16px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--navy);
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  width: fit-content;
}

.btn:hover {
  opacity: 0.9;
}

/* Sections */
section {
  padding: 72px 0;
}

section h2 {
  font-size: 2rem;
  margin: 0 0 8px;
}

.section-intro {
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 40px;
}

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 1px 3px rgba(15, 36, 64, 0.08);
  border-top: 3px solid var(--accent);
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.service-card p {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
}

/* About */
.about {
  background: var(--white);
}

.about .container {
  max-width: 800px;
}

/* Contact */
.contact {
  background: var(--navy);
  color: var(--white);
}

.contact .section-intro {
  color: #c3cbd6;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.contact-item {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 22px;
}

.contact-item .label {
  color: var(--accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.contact-item a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
}

/* Footer */
footer {
  background: #0a1a2e;
  color: #9aa6b5;
  padding: 28px 0;
  font-size: 0.85rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  color: #c3cbd6;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

/* Placeholder marker */
.placeholder {
  background: #fff3cd;
  color: #7a5b00;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

/* Legal pages */
.legal {
  background: var(--white);
  min-height: 60vh;
}

.legal h1 {
  margin-top: 0;
}

.legal h2 {
  font-size: 1.2rem;
  margin-top: 32px;
}

/* Mobile */
@media (max-width: 760px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .nav-links.open {
    max-height: 300px;
  }

  .nav-links li {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-links a {
    display: block;
    padding: 16px 24px;
  }

  .hero {
    padding: 64px 0 72px;
  }

  .hero h1 {
    font-size: 2rem;
  }
}