:root {
  --kh-primary: #1769aa;
  --kh-primary-hover: #12598f;
  --kh-primary-dark: #102a4c;
  --kh-primary-soft: #eef6fc;
  --kh-primary-border: #bfd0e6;
  --kh-bg: #f4f7fb;
  --kh-card: #ffffff;
  --kh-text: #0f172a;
  --kh-muted: #64748b;
  --kh-danger: #dc2626;
  --kh-warning: #f59e0b;
  --kh-success: #16a34a;
}
* { box-sizing: border-box; }
body.auth-page {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--kh-text);
  background: var(--kh-bg);
}
.auth-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.auth-nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6vw;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid #dfe7f2;
}
.brand {
  font-weight: 800;
  letter-spacing: 0;
  color: var(--kh-primary-dark);
}
.nav-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 15px;
  border-radius: 7px;
  border: 1px solid #bfd0e6;
  background: #fff;
  color: var(--kh-primary-dark);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
.btn.primary {
  background: var(--kh-primary);
  border-color: var(--kh-primary);
  color: #fff;
}
.btn.primary:hover,
button.btn.primary:hover {
  background: var(--kh-primary-hover);
  border-color: var(--kh-primary-hover);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: 42px;
  align-items: center;
  width: min(1120px, 88vw);
  margin: 52px auto 34px;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1;
  letter-spacing: 0;
  color: var(--kh-primary-dark);
}
.hero p {
  margin: 0 0 24px;
  font-size: 18px;
  line-height: 1.55;
  color: #53647b;
  max-width: 620px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.feature {
  padding: 16px;
  border: 1px solid #dfe7f2;
  border-radius: 8px;
  background: #fff;
}
.feature strong {
  display: block;
  margin-bottom: 6px;
  color: var(--kh-primary-dark);
}
.feature span {
  color: #66758a;
  font-size: 14px;
  line-height: 1.45;
}
.auth-card {
  width: min(440px, 92vw);
  margin: 50px auto;
  padding: 28px;
  border: 1px solid #dfe7f2;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(32,50,72,.08);
}
.auth-card h1 {
  margin: 0 0 8px;
  color: var(--kh-primary-dark);
}
.auth-card p {
  margin: 0 0 20px;
  color: #66758a;
}
.form-row {
  margin-bottom: 14px;
}
.form-row label {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
  color: #26384f;
}
.form-row input {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid #c9d6e7;
  border-radius: 7px;
  font-size: 15px;
}
.flash {
  margin: 0 0 16px;
  padding: 11px 13px;
  border-radius: 7px;
  border: 1px solid #c9d6e7;
  background: #f7fafc;
}
.flash.error { border-color: #efb5b5; background: #fff5f5; color: #8d1f1f; }
.flash.ok { border-color: #a9d8bc; background: #f1fbf5; color: #1c6b3b; }
.muted-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--kh-primary);
  text-decoration: none;
  font-weight: 700;
}
.landing-main {
  width: min(1140px, 90vw);
  margin: 0 auto;
}
.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: 34px;
  align-items: center;
  padding: 58px 0 34px;
}
.hero-copy h1 {
  margin: 0 0 16px;
  max-width: 780px;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.04;
  letter-spacing: 0;
  color: #102a4c;
}
.hero-copy p {
  margin: 0 0 22px;
  max-width: 700px;
  color: #53647b;
  font-size: 18px;
  line-height: 1.6;
}
.hero-panel {
  border: 1px solid #dfe7f2;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(32,50,72,.08);
  padding: 20px;
}
.flow-list {
  display: grid;
  gap: 12px;
}
.flow-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
}
.step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--kh-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.section-block {
  padding: 42px 0;
}
.section-head {
  max-width: 760px;
  margin-bottom: 20px;
}
.section-head h2 {
  margin: 0 0 8px;
  color: #102a4c;
  font-size: 30px;
}
.section-head p {
  margin: 0;
  color: #66758a;
  line-height: 1.55;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.service-card {
  padding: 18px;
  border: 1px solid #dfe7f2;
  border-radius: 8px;
  background: #fff;
}
.service-card h3 {
  margin: 0 0 8px;
  color: #173b68;
  font-size: 17px;
}
.service-card p {
  margin: 0;
  color: #66758a;
  line-height: 1.5;
  font-size: 14px;
}
.benefit-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.benefit-list li {
  padding: 12px 14px;
  border: 1px solid var(--kh-primary-border);
  background: #fff;
  border-radius: 7px;
  color: #33445b;
}
.cta-band {
  margin: 20px 0 56px;
  padding: 30px;
  border: 1px solid #dfe7f2;
  border-radius: 8px;
  background: #102a4c;
  color: #fff;
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
}
.cta-band h2 {
  margin: 0 0 8px;
}
.cta-band p {
  margin: 0;
  color: #d9e5f4;
}
.cta-band .btn {
  border-color: rgba(255,255,255,.45);
}
.account-wrap {
  width: min(980px, 92vw);
  margin: 34px auto;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
  gap: 18px;
}
.account-card {
  padding: 24px;
  border: 1px solid #dfe7f2;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(32,50,72,.06);
}
.account-card h1, .account-card h2 {
  margin: 0 0 12px;
  color: #102a4c;
}
.account-header {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}
.account-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kh-primary);
  color: #fff;
  font-weight: 800;
}
.profile-list {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 10px 16px;
  margin: 0;
}
.profile-list dt {
  color: #66758a;
  font-weight: 700;
}
.profile-list dd {
  margin: 0;
  color: #172033;
  overflow-wrap: anywhere;
}
@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }
  .landing-hero,
  .account-wrap {
    grid-template-columns: 1fr;
  }
  .cards-grid,
  .benefit-list {
    grid-template-columns: 1fr;
  }
  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .auth-nav {
    padding: 0 18px;
  }
}