:root {
  --blue: #00a0e3;
  --blue-dark: #0088c2;
  --gray: #6b7280;
  --gray-dark: #374151;
  --gray-light: #f3f4f6;
  --text: #1f2937;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
}

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  background: var(--white);
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 24px;
}
.logo img {
  height: 52px;
  width: auto;
}
.nav {
  display: flex;
  gap: 28px;
}
.nav a {
  text-decoration: none;
  color: var(--gray-dark);
  font-weight: 500;
  font-size: 15px;
}
.nav a:hover { color: var(--blue); }
.header-cta {
  display: flex;
  gap: 12px;
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover { background: var(--blue-dark); }
.btn-outline {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-outline:hover {
  background: var(--blue);
  color: var(--white);
}
.btn-lg { padding: 14px 28px; font-size: 16px; }

/* Hero */
.hero {
  background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
  padding: 100px 0 80px;
  text-align: center;
}
.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}
.hero p {
  font-size: 20px;
  color: var(--gray);
  max-width: 640px;
  margin: 0 auto 32px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Portals */
.portals {
  background: var(--white);
  padding: 40px 0;
  margin-top: -40px;
}
.portal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.portal-card {
  background: var(--white);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.portal-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}
.portal-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--blue);
}
.portal-card p { color: var(--gray); font-size: 14px; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--gray-light); }
.section h2 {
  font-size: 36px;
  margin-bottom: 16px;
  text-align: center;
}
.section-intro {
  text-align: center;
  color: var(--gray);
  max-width: 640px;
  margin: 0 auto 40px;
  font-size: 18px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.service-card {
  background: var(--white);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.service-card h3 { margin-bottom: 8px; font-size: 20px; }
.service-card p { color: var(--gray); }

.cta-box {
  background: var(--blue);
  color: var(--white);
  padding: 40px;
  border-radius: var(--radius);
  text-align: center;
}
.cta-box h3 { margin-bottom: 8px; font-size: 24px; }
.cta-box p { margin-bottom: 20px; opacity: 0.9; }
.cta-box .btn { background: var(--white); color: var(--blue); }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.two-col h3 { margin-bottom: 12px; }
.two-col p, .two-col ul { margin-bottom: 20px; color: var(--gray-dark); }
.two-col ul { padding-left: 20px; }
.two-col .btn { margin-right: 12px; margin-top: 8px; }

.text-center { text-align: center; }

.about-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  font-size: 18px;
}
.about-content p { margin-bottom: 16px; color: var(--gray-dark); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 40px;
}
.contact-info p { margin-bottom: 12px; }
.social-links {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.social-links a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
}
.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 12px 16px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-family: inherit;
  font-size: 15px;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue);
}
.form-note {
  font-size: 13px;
  color: var(--gray);
  margin-top: 8px;
}

/* Footer */
.footer {
  background: var(--gray-dark);
  color: #d1d5db;
  padding: 48px 0 32px;
}
.footer-inner {
  text-align: center;
}
.footer-logo img {
  height: 48px;
  margin-bottom: 20px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  color: #d1d5db;
  text-decoration: none;
}
.footer-links a:hover { color: var(--white); }
.copyright { font-size: 14px; opacity: 0.7; }

/* Responsive */
@media (max-width: 900px) {
  .nav, .header-cta { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
    gap: 16px;
  }
  .menu-toggle { display: block; }
  .portal-grid { grid-template-columns: 1fr 1fr; }
  .services-grid, .two-col, .contact-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 18px; }
}
@media (max-width: 600px) {
  .portal-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 40px; }
  .section { padding: 60px 0; }
}