@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url(fonts/inter-400.woff2) format('woff2'), url(fonts/inter-400.ttf) format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url(fonts/inter-600.woff2) format('woff2'), url(fonts/inter-600.ttf) format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 700; font-display: swap; src: url(fonts/inter-700.woff2) format('woff2'), url(fonts/inter-700.ttf) format('truetype'); }

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

:root {
  --primary: #1a1a2e;
  --accent: #4a6cf7;
  --text: #4a4a5a;
  --text-light: #8a8a9a;
  --bg: #ffffff;
  --bg-alt: #f8f9fc;
  --border: #e8e8ee;
  --max-width: 960px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.7;
  font-size: 0.9375rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
nav {
  background: var(--primary);
  padding: 0 24px;
}
nav .nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
nav .logo {
  color: #fff;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
nav .logo span { color: var(--accent); }
nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}
nav ul a {
  color: #c0c0d0;
  font-size: 0.875rem;
  transition: color 0.2s;
}
nav ul a:hover, nav ul a.active {
  color: #fff;
  text-decoration: none;
}

/* Hero */
.hero {
  background: var(--primary);
  color: #fff;
  padding: 80px 24px 100px;
  text-align: center;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.hero p {
  color: #a0a0b8;
  font-size: 1.125rem;
  max-width: 560px;
  margin: 0 auto;
}

/* Back to home link (404 page) */
.back-home {
  display: inline-block;
  margin-top: 32px;
  padding: 12px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: opacity 0.2s;
}
.back-home:hover {
  opacity: 0.9;
  text-decoration: none;
}

/* Page header (non-home pages) */
.page-header {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 48px 24px;
}
.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  max-width: var(--max-width);
  margin: 0 auto;
}
.page-header p {
  max-width: var(--max-width);
  margin: 8px auto 0;
  color: var(--text-light);
}

/* Content */
.content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 24px;
}
.content h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  margin-top: 40px;
}
.content h2:first-child { margin-top: 0; }
.content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 24px;
  margin-bottom: 8px;
}
.content p { margin-bottom: 12px; }
.content ul {
  margin: 8px 0 16px 20px;
}
.content ul li {
  margin-bottom: 6px;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 24px;
}
.card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--primary);
  margin: 0 0 8px;
}
.card p {
  font-size: 0.875rem;
  color: var(--text-light);
  margin: 0;
}

/* Products section */
.products {
  background: var(--bg-alt);
  padding: 64px 24px;
}
.products-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.products h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.products > .products-inner > p {
  color: var(--text-light);
  margin-bottom: 32px;
}
.product-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.product-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.375rem;
  flex-shrink: 0;
}
.product-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  margin: 0 0 4px;
}
.product-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  margin: 0;
}

/* Contact form / info */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 32px;
}
.contact-info h3 {
  margin-top: 0;
}
.contact-info p {
  color: var(--text-light);
  font-size: 0.875rem;
}
.contact-form label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
  margin-top: 16px;
}
.contact-form label:first-child { margin-top: 0; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form button {
  margin-top: 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.contact-form button:hover { opacity: 0.9; }
.contact-form button:disabled { opacity: 0.6; cursor: not-allowed; }

/* Legal */
.legal-section {
  margin-bottom: 32px;
}
.legal-section h3 {
  margin-top: 0;
}
.legal-updated {
  color: var(--text-light);
  font-size: 0.8125rem;
  margin-bottom: 32px;
}

/* Footer */
footer {
  background: var(--primary);
  color: #8a8a9a;
  padding: 40px 24px;
  font-size: 0.8125rem;
}
footer .footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
footer a { color: #a0a0b8; }
footer a:hover { color: #fff; }
footer .footer-links {
  display: flex;
  gap: 20px;
}

/* Mobile */
@media (max-width: 640px) {
  .hero { padding: 48px 20px 64px; }
  .hero h1 { font-size: 1.75rem; }
  .hero p { font-size: 1rem; }
  nav { padding: 0 16px; }
  nav ul { gap: 16px; }
  nav .logo { font-size: 0.9375rem; }
  nav ul a { font-size: 0.8125rem; }
  .page-header { padding: 32px 20px; }
  .page-header h1 { font-size: 1.5rem; }
  .content { padding: 40px 20px; }
  .products { padding: 40px 20px; }
  .product-card { flex-direction: column; align-items: flex-start; padding: 24px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .cards { grid-template-columns: 1fr; }
  footer .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}