/* ERGON — Layout */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.navbar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo svg { flex-shrink: 0; }

.logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-gray-600);
  padding: 8px 0;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  margin: 5px 0;
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== SECTION LAYOUT ===== */
.section {
  padding: 100px 0;
}

.section-alt { background: var(--color-gray-50); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(37,99,235,0.08);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 18px;
  color: var(--color-gray-500);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== GRID LAYOUTS ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.register-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tiers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-steps {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

/* ===== FOOTER ===== */
.footer {
  background: #0b1120;
  color: var(--color-gray-400);
  padding: 64px 0 32px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--color-primary-light);
  font-weight: 600;
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.6;
  max-width: 300px;
}

.footer-col h4 {
  color: #e2e8f0;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--color-primary-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
}

.footer-sub {
  font-size: 12px;
  color: var(--color-gray-500);
  margin-top: 4px;
}