* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --background: #f7f8fa;
  --surface: #ffffff;
  --text: #17191c;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #111827;
  --accent-light: #eef0f3;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: inherit;
}

.container {
  width: min(1100px, 92%);
  margin: auto;
}

/* Navigation */

header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 3px;
}

nav {
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  font-size: 14px;
  color: #4b5563;
}

nav a:hover {
  color: #000;
}

/* Hero */

.hero {
  padding: 120px 0 110px;
  background: linear-gradient(180deg, #ffffff 0%, #f7f8fa 100%);
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 7px 13px;
  border-radius: 30px;
  background: var(--accent-light);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 25px;
}

.hero h1 {
  font-size: clamp(48px, 8vw, 82px);
  line-height: 1.05;
  letter-spacing: -3px;
  margin-bottom: 25px;
}

.subtitle {
  max-width: 680px;
  margin: auto;
  color: var(--muted);
  font-size: 18px;
}

.buttons {
  margin-top: 35px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.primary {
  background: #111827;
  color: white;
}

.secondary {
  background: white;
  border: 1px solid var(--border);
}

/* Sections */

.section {
  padding: 100px 0;
  background: white;
}

.section-heading {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.section-heading span,
.page-header span {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--muted);
}

.section-heading h2 {
  font-size: 40px;
  line-height: 1.2;
  margin: 12px 0;
}

.section-heading p {
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  background: white;
}

.icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-bottom: 22px;
}

.card h3 {
  margin-bottom: 10px;
}

.card p {
  color: var(--muted);
  font-size: 14px;
}

/* Privacy section */

.privacy-section {
  padding: 90px 0;
  background: #111827;
  color: white;
}

.privacy-section p {
  max-width: 650px;
  color: #c7cbd1;
  margin: 15px 0 25px;
}

.text-link {
  font-weight: 700;
  text-decoration: none;
}

/* Page header */

.page-header {
  padding: 90px 0 70px;
  background: white;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-size: 56px;
  letter-spacing: -2px;
  margin: 10px 0;
}

.page-header p {
  color: var(--muted);
}

/* Content */

.content-section {
  padding: 70px 0;
}

.content {
  max-width: 850px;
}

.content h2 {
  margin: 35px 0 12px;
  font-size: 25px;
}

.content h2:first-child {
  margin-top: 0;
}

.content p,
.content li {
  color: #4b5563;
}

.content ul {
  margin: 15px 0 20px 25px;
}

.content a {
  font-weight: 600;
}

/* Contact */

.contact-box {
  max-width: 700px;
}

.contact-card {
  margin: 30px 0;
  padding: 30px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
}

/* Footer */

footer {
  background: white;
  border-top: 1px solid var(--border);
  padding-top: 45px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 30px;
}

.footer-content strong {
  letter-spacing: 2px;
}

.footer-content p {
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #6b7280;
  font-size: 14px;
  text-decoration: none;
}

.copyright {
  text-align: center;
  color: #9ca3af;
  font-size: 13px;
  padding: 35px 0 25px;
}

/* Mobile */

@media (max-width: 800px) {

  .nav {
    flex-direction: column;
    padding: 18px 0;
  }

  nav {
    justify-content: center;
  }

  .hero {
    padding: 80px 0;
  }

  .hero h1 {
    letter-spacing: -2px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .section-heading h2 {
    font-size: 32px;
  }

  .page-header h1 {
    font-size: 42px;
  }

  .footer-content {
    flex-direction: column;
  }
}