/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
}

/* ===== Layout ===== */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Navigation ===== */
header {
  border-bottom: 1px solid #e5e7eb;
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: #111;
  letter-spacing: -0.02em;
}

.logo:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: #374151;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: #2563eb;
  text-decoration: none;
}

/* ===== Hero / Page Header ===== */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: #111;
}

.hero .tagline {
  font-size: 1.35rem;
  color: #4b5563;
  margin-bottom: 24px;
  font-weight: 400;
}

.hero p {
  font-size: 1.1rem;
  color: #4b5563;
  max-width: 640px;
  margin: 0 auto;
}

/* ===== Sections ===== */
section {
  padding: 60px 0;
}

section h2 {
  font-size: 1.75rem;
  font-weight: 650;
  margin-bottom: 20px;
  color: #111;
}

section p {
  color: #374151;
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.section-alt {
  background: #f9fafb;
}

/* ===== Cards (Products) ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 28px;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: #111;
}

/* ===== Contact Box ===== */
.contact-box {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 32px;
  margin-top: 24px;
}

.contact-box p {
  margin-bottom: 8px;
}

/* ===== Footer ===== */
footer {
  border-top: 1px solid #e5e7eb;
  padding: 40px 0;
  margin-top: 60px;
  font-size: 0.9rem;
  color: #6b7280;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: #6b7280;
}

.footer-links a:hover {
  color: #2563eb;
}

/* ===== Legal Pages ===== */
.legal {
  padding: 60px 0 80px;
}

.legal h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.legal .updated {
  color: #6b7280;
  font-size: 0.95rem;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 1.3rem;
  margin: 36px 0 12px;
}

.legal p, .legal li {
  color: #374151;
  margin-bottom: 12px;
}

.legal ul {
  padding-left: 24px;
  margin-bottom: 20px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.1rem;
  }

  .hero .tagline {
    font-size: 1.15rem;
  }

  .nav-links {
    gap: 16px;
  }

  .nav-links a {
    font-size: 0.9rem;
  }

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

@media (max-width: 480px) {
  nav {
    flex-direction: column;
    height: auto;
    padding: 16px 0;
    gap: 12px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}