:root {
  --bg: #f6f8fc;
  --surface: #ffffff;
  --surface-soft: #f1f5fb;
  --text: #18202f;
  --muted: #667085;
  --border: #dbe3f0;
  --primary: #3767ff;
  --primary-dark: #2449be;
  --success: #138a5b;
  --warning: #d97706;
  --danger: #d92d20;
  --shadow: 0 18px 50px rgba(23, 37, 84, 0.08);
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: linear-gradient(180deg, #f7f9fd 0%, #eef4ff 100%);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.hidden {
  display: none !important;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(219, 227, 240, 0.8);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.1rem;
  z-index: 40;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), #6fa8ff);
  color: #fff;
  box-shadow: var(--shadow);
}

.header-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex: 1;
}

.nav {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.nav a {
  color: var(--muted);
  font-weight: 600;
}

.nav a:hover {
  color: var(--text);
}

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

.mobile-menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  padding: 10px;
  z-index: 40;
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  border-radius: 999px;
}

.language-switcher {
  min-width: 165px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 14px;
  padding: 0 12px;
  color: var(--text);
}

.btn {
  min-height: 44px;
  border-radius: 14px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-small {
  min-height: 38px;
  padding: 0 14px;
  font-size: 0.92rem;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-outline {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
}

.btn-danger {
  background: #fff1f1;
  border-color: #f3b4b4;
  color: var(--danger);
}

.btn-danger:hover {
  background: #ffe3e3;
}

.btn-full {
  width: 100%;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #e9f0ff;
  color: var(--primary-dark);
  padding: 8px 14px;
  font-weight: 700;
  font-size: 0.92rem;
  width: fit-content;
}

.hero {
  padding: 64px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: stretch;
}

.hero-content h1 {
  margin: 18px 0 16px;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
}

.hero-text {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  margin: 26px 0 28px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.stat-card strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.card {
  background: var(--surface);
  border: 1px solid rgba(219, 227, 240, 0.9);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.soft-card {
  background: #fbfdff;
}

.card-subtext {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.hero-panel {
  align-self: stretch;
}

.section {
  padding: 42px 0;
}

.section-soft {
  background: rgba(255, 255, 255, 0.45);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.section-kicker {
  color: var(--primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
}

.section-head h2,
.about-grid h2,
.cabinet-head h1,
.auth-side h1,
.service-hero h1,
#requestDetailsCard h1 {
  margin: 8px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.section-text,
.about-grid p,
.auth-side p,
.card p,
.service-hero p {
  color: var(--muted);
  line-height: 1.7;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.service-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #edf3ff, #dce9ff);
}

.service-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.service-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.about-grid,
.auth-grid,
.cabinet-grid,
.service-info-grid,
.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

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

.feature-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.feature-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.feature-item strong {
  display: block;
  margin-bottom: 6px;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  min-height: 52px;
  padding: 14px 16px;
  color: var(--text);
  outline: none;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(55, 103, 255, 0.5);
  box-shadow: 0 0 0 4px rgba(55, 103, 255, 0.08);
}

.form-message {
  min-height: 24px;
  margin: 0;
  color: var(--primary-dark);
  font-weight: 600;
}

.auth-page,
.cabinet-page {
  padding: 48px 0 72px;
}

.auth-card {
  max-width: 560px;
  width: 100%;
  margin-left: auto;
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
}

.tab-btn {
  flex: 1;
  min-height: 48px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #f7faff;
  cursor: pointer;
  font-weight: 800;
}

.tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.profile-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.profile-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.profile-edit-form {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.profile-edit-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.section-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-card-head h2,
.requests-column-head h3 {
  margin: 0;
}

.requests-section {
  margin-top: 24px;
}

.requests-toolbar {
  align-items: end;
  flex-wrap: wrap;
}

.requests-filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.requests-filters select {
  min-width: 190px;
  min-height: 46px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0 12px;
  background: #fff;
}

.requests-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.requests-column {
  background: #f8fbff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
}

.requests-column-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.count-badge {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #e9f0ff;
  color: var(--primary-dark);
  font-weight: 800;
}

.requests-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.request-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
}

.request-card-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.request-card h4 {
  margin: 0;
  font-size: 1rem;
}

.request-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: #eef4ff;
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.84rem;
}

.meta-pill.status-new {
  background: #eafaf2;
  color: var(--success);
}

.meta-pill.status-open {
  background: #fff6e8;
  color: var(--warning);
}

.request-description {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.request-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.response-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
}

.response-card strong {
  display: block;
  margin-bottom: 8px;
}

.response-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0;
}

.empty-state {
  padding: 18px;
  border: 1px dashed var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--muted);
}

.details-top-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.simple-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
}

.simple-list li {
  margin-bottom: 8px;
}

.site-footer {
  border-top: 1px solid rgba(219, 227, 240, 0.9);
  background: rgba(255, 255, 255, 0.75);
  margin-top: 36px;
}

.footer-inner {
  min-height: 90px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .hero-grid,
  .about-grid,
  .auth-grid,
  .cabinet-grid,
  .services-grid,
  .section-head,
  .service-info-grid,
  .requests-columns,
  .details-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: start;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .mobile-menu-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    margin-left: auto;
  }

  .header-panel {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: 18px;
  }

  .header-panel.open {
    display: flex;
  }

  .nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .nav a {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #f8fbff;
  }

  .header-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .language-switcher,
  .btn {
    width: 100%;
  }
}

@media (max-width: 700px) {
  .form-row,
  .footer-inner,
  .profile-row,
  .section-card-head {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    padding-top: 32px;
  }

  .card {
    padding: 18px;
  }

  .requests-filters {
    flex-direction: column;
  }

  .requests-filters select {
    width: 100%;
  }

  .profile-edit-actions,
  .request-actions,
  .details-top-actions {
    flex-direction: column;
  }
}