:root {
  --navy: #0f2439;
  --navy-2: #16324f;
  --blue: #1d5fd6;
  --blue-dark: #154aad;
  --gray-900: #1c2733;
  --gray-600: #55606b;
  --gray-400: #8a94a0;
  --gray-100: #f4f6f8;
  --white: #ffffff;
  --border: #e1e6eb;
  --success-bg: #e6f4ea;
  --success-text: #1e7a34;
  --error-bg: #fdecea;
  --error-text: #b3261e;
  --warning-bg: #fff4e0;
  --warning-text: #9a6400;
  --radius: 8px;
  --shadow: 0 2px 10px rgba(15, 36, 57, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.55;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 700;
  font-size: 16px;
}

.logo:hover {
  text-decoration: none;
  opacity: 0.9;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: var(--blue);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a {
  color: #cbd6e2;
  font-size: 15px;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--white);
  text-decoration: none;
}

.site-nav a.nav-cta {
  background: var(--blue);
  color: var(--white);
  padding: 8px 16px;
  border-radius: 6px;
}

.site-nav a.nav-cta:hover {
  background: var(--blue-dark);
}

.nav-link-btn {
  background: none;
  border: none;
  color: #cbd6e2;
  font-size: 15px;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
}

.nav-link-btn:hover {
  color: var(--white);
}

.nav-logout-form {
  display: inline-flex;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: var(--white);
  padding: 90px 0;
}

.hero-inner {
  max-width: 760px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
  font-weight: 600;
  color: #8fb4f0;
  margin: 0 0 16px;
}

.hero h1 {
  font-size: 38px;
  line-height: 1.25;
  margin: 0 0 20px;
}

.hero-lead {
  font-size: 18px;
  color: #cbd6e2;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
}

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

.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-on-dark {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-on-dark:hover {
  background: var(--white);
  color: var(--navy);
}

.btn-block {
  width: 100%;
  text-align: center;
}

.btn-small {
  padding: 8px 14px;
  font-size: 13px;
}

/* Sections */
.section {
  padding: 64px 0;
}

.section-alt {
  background: var(--gray-100);
}

.section-title {
  font-size: 26px;
  margin: 0 0 24px;
}

.page-intro h1 {
  font-size: 32px;
  margin: 0 0 12px;
}

.page-intro p {
  color: var(--gray-600);
  font-size: 17px;
  max-width: 680px;
}

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

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 12px;
  font-size: 19px;
}

.card p {
  color: var(--gray-600);
  margin: 0 0 16px;
}

.card-link {
  font-weight: 600;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}

.check-list li {
  position: relative;
  padding-left: 26px;
  color: var(--gray-900);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
}

.section-cta {
  background: var(--navy);
  color: var(--white);
}

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

.cta-inner h2 {
  margin: 0 0 20px;
  font-size: 24px;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.team-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}

.team-card h3 {
  margin: 0 0 4px;
  font-size: 18px;
}

.team-role {
  color: var(--blue);
  font-weight: 600;
  font-size: 14px;
  margin: 0 0 14px;
}

.team-card p {
  color: var(--gray-600);
  font-size: 14.5px;
  margin: 0 0 10px;
}

/* Contacts */
.contacts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--gray-100);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.contact-card:hover {
  text-decoration: none;
  border-color: var(--blue);
}

.contact-label {
  color: var(--gray-600);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.contact-value {
  color: var(--gray-900);
  font-size: 18px;
  font-weight: 600;
}

/* Forms / auth */
.auth-section {
  padding: 56px 0 96px;
}

.auth-container {
  max-width: 460px;
}

.auth-container h1 {
  margin: 0 0 8px;
}

.auth-lead {
  color: var(--gray-600);
  margin: 0 0 28px;
}

.auth-switch {
  margin-top: 20px;
  color: var(--gray-600);
  font-size: 14px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-900);
}

.form .optional {
  font-weight: 400;
  color: var(--gray-400);
}

.form input,
.form textarea {
  font-family: inherit;
  font-size: 15px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--gray-900);
  background: var(--white);
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(29, 95, 214, 0.15);
}

.form textarea {
  resize: vertical;
}

.alert {
  padding: 14px 16px;
  border-radius: 6px;
  margin-bottom: 20px;
  font-size: 14px;
}

.alert ul {
  margin: 0;
  padding-left: 18px;
}

.alert-error {
  background: var(--error-bg);
  color: var(--error-text);
}

.alert-success {
  background: var(--success-bg);
  color: var(--success-text);
}

/* Admin */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 48px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 640px;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.admin-table th {
  color: var(--gray-600);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.inline-form {
  display: flex;
  gap: 8px;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.badge-pending {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.row-pending td:first-child {
  border-left: 3px solid var(--warning-text);
}

.hint {
  color: var(--gray-600);
  font-size: 13px;
  margin-bottom: 32px;
}

.inline-form input {
  font-size: 13px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 140px;
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: #cbd6e2;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding: 40px 20px 24px;
}

.footer-title {
  color: var(--white);
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-about p {
  max-width: 340px;
  margin: 0;
  font-size: 14px;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}

.footer-contacts a {
  color: #cbd6e2;
}

.footer-contacts a:hover {
  color: var(--white);
}

.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 20px;
  font-size: 13px;
  color: var(--gray-400);
}

/* Responsive */
@media (max-width: 860px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .contacts-grid {
    grid-template-columns: 1fr;
  }

  .check-list {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 64px 0;
  }

  .hero h1 {
    font-size: 28px;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--navy-2);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 20px;
    display: none;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a,
  .nav-logout-form {
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav a.nav-cta {
    width: auto;
    display: inline-block;
    margin: 12px 0;
  }

  .nav-link-btn {
    width: 100%;
    text-align: left;
    padding: 14px 0;
  }
}