:root {
  --bg: #ffffff;
  --surface: #f7f8fa;
  --text: #0b1220;
  --muted: #556070;
  --border: #e6e9ef;
  --accent: #1e5eff;
  --accent-hover: #184ed6;
  --radius: 16px;
  --shadow: 0 12px 24px rgba(11, 18, 32, 0.06);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --anchor-offset: 96px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--anchor-offset);
}

section[id],
form[id],
[id="top"] {
  scroll-margin-top: var(--anchor-offset);
}

body {
  margin: 0;
  font-family: "Inter var", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--text);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 1.35rem + 2.6vw, 3.5rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.625rem, 1.28rem + 1.35vw, 2.25rem);
  line-height: 1.15;
}

h3 {
  font-size: clamp(1.1rem, 1rem + 0.45vw, 1.375rem);
}

p {
  margin: 0;
  font-size: clamp(1rem, 0.97rem + 0.2vw, 1.06rem);
  line-height: 1.62;
  color: var(--muted);
}

a {
  color: inherit;
}

small,
small p,
.section-head p {
  font-size: clamp(0.9rem, 0.86rem + 0.16vw, 0.96rem);
}

:focus-visible {
  outline: 3px solid rgba(30, 94, 255, 0.38);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 2000;
  padding: var(--space-1) var(--space-2);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
}

.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

.container {
  max-width: 1240px;
}

.section {
  padding-block: clamp(56px, 8vw, 96px);
}

.section-surface {
  background: var(--surface);
}

.section-head {
  margin-bottom: var(--space-4);
}

.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-2);
}

.section-head p {
  margin-top: var(--space-1);
  max-width: 680px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1020;
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(6px);
  transition: box-shadow 0.2s ease, border-color 0.2s ease, backdrop-filter 0.2s ease;
}

.site-header.is-scrolled {
  border-color: var(--border);
  box-shadow: 0 8px 22px rgba(11, 18, 32, 0.08);
  backdrop-filter: blur(10px);
}

.navbar {
  min-height: 80px;
  padding-block: 10px;
}

.site-nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  margin-right: 0;
  padding: 0;
  line-height: 0;
}

.site-logo-image {
  display: block;
  width: clamp(136px, 18vw, 184px);
  height: auto;
  object-fit: contain;
  clip-path: inset(0 1px 0 0);
}

.navbar-nav {
  gap: 2px;
  align-items: center;
}

.nav-link {
  padding: var(--space-1) 10px !important;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  border-radius: 10px;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text);
  background: var(--surface);
}

.navbar-toggler {
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 46px;
  height: 46px;
  padding: 0;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  width: 18px;
  height: 18px;
  background-image: none;
  position: relative;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after,
.navbar-toggler-icon {
  display: inline-block;
  border-top: 2px solid var(--text);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
}

.navbar-toggler-icon::before {
  top: -6px;
}

.navbar-toggler-icon::after {
  top: 4px;
}

.btn {
  min-height: 48px;
  border-radius: 12px;
  padding: 0 18px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-primary-solid {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #ffffff;
}

.btn-primary-solid:hover,
.btn-primary-solid:focus-visible {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
  box-shadow: 0 8px 16px rgba(30, 94, 255, 0.24);
}

.btn-secondary-light {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.72);
  color: #ffffff;
}

.btn-secondary-light:hover,
.btn-secondary-light:focus-visible {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.96);
  color: #ffffff;
}

.btn-outline-soft {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.btn-outline-soft:hover,
.btn-outline-soft:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(30, 94, 255, 0.03);
}

.btn-link-clean {
  min-height: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.btn-link-clean:hover,
.btn-link-clean:focus-visible {
  color: var(--accent-hover);
  text-decoration: underline;
}

.hero {
  position: relative;
  min-height: clamp(520px, 76vh, 760px);
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9, 18, 34, 0.68) 0%, rgba(9, 18, 34, 0.6) 48%, rgba(9, 18, 34, 0.72) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: #ffffff;
  max-width: 760px;
  padding-block: clamp(96px, 14vw, 152px);
}

.hero-label {
  margin-bottom: var(--space-2);
  font-size: 13px;
  line-height: 1.2;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.84);
  font-weight: 500;
}

.hero h1,
.hero p {
  color: #ffffff;
}

.hero-subtitle {
  margin-top: var(--space-3);
  max-width: 680px;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.card-panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: 0 1px 0 rgba(11, 18, 32, 0.02);
}

.cards-grid .card-panel {
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.cards-grid .card-panel:hover {
  transform: translateY(-2px);
  border-color: #d8deea;
  box-shadow: var(--shadow);
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.feature-card i {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.feature-card h3 {
  margin-bottom: 0;
}

.tour-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.tour-card:hover {
  transform: translateY(-2px);
  border-color: #d8deea;
  box-shadow: var(--shadow);
}

.tour-card-image {
  width: 100%;
  height: 216px;
  object-fit: cover;
  display: block;
}

.tour-card-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.tour-card-title {
  font-size: 19px;
  line-height: 1.25;
}

.tour-location {
  font-weight: 500;
  color: var(--text);
  font-size: 15px;
}

.tour-description {
  color: var(--muted);
  font-size: 15px;
}

.tour-meta {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
}

.tour-price {
  color: var(--text);
  font-weight: 600;
}

.tour-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.tour-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.steps-block {
  background: #f9fbff;
}

.steps-block h3 {
  margin-bottom: var(--space-3);
}

.steps-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.steps-list li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: center;
}

.steps-list span {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 94, 255, 0.12);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.review-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.review-card span {
  font-size: 14px;
  color: var(--muted);
}

.contact-card {
  display: grid;
  gap: var(--space-3);
}

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.contact-list li {
  color: var(--text);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.contact-list strong {
  font-weight: 600;
}

.contact-list a {
  color: var(--accent);
  text-decoration: none;
}

.contact-list a:hover,
.contact-list a:focus-visible {
  color: var(--accent-hover);
  text-decoration: underline;
}

.contact-note {
  color: var(--muted);
  font-size: 15px;
}

.lead-form {
  display: grid;
  gap: var(--space-3);
}

.lead-form h3 {
  margin-bottom: 0;
}

.form-label {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

.field-hint {
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

.form-control {
  min-height: 48px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font-size: 15px;
  padding-inline: 14px;
}

textarea.form-control {
  min-height: 128px;
  padding-block: 12px;
  resize: vertical;
}

.form-control::placeholder {
  color: #8a95a6;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(30, 94, 255, 0.13);
}

.lead-form .invalid-feedback {
  display: none;
  margin-top: 6px;
  font-size: 13px;
}

.form-control.is-invalid {
  border-color: #b42318;
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.12);
}

.form-control.is-invalid:focus {
  border-color: #b42318;
  box-shadow: 0 0 0 4px rgba(180, 35, 24, 0.14);
}

.form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

.form-control.is-invalid ~ .field-hint {
  color: #b42318;
}

.lead-form-actions {
  margin-top: var(--space-1);
}

.form-message,
.draft-timer {
  min-height: 24px;
  margin: 0;
  font-size: 14px;
}

.form-message {
  color: var(--muted);
}

.form-message.is-success {
  color: #0b7a43;
}

.form-message.is-error {
  color: #b42318;
}

.draft-timer {
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-3);
  background: var(--bg);
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.footer-logo-image {
  display: block;
  width: auto;
  height: 36px;
  object-fit: contain;
  /* Hide possible 1px edge artifact from source PNG. */
  clip-path: inset(0 1px 0 0);
}

.footer-brand p {
  margin: 0 0 0 var(--space-2);
  padding-left: var(--space-2);
  border-left: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.2;
}

.footer-top {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}

.footer-top:hover,
.footer-top:focus-visible {
  color: var(--text);
}

.modal-content {
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.modal-header {
  border-color: var(--border);
}

.modal-title {
  font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem);
}

.modal-body p + p {
  margin-top: var(--space-2);
}

.tours-page-main .section {
  padding-block: clamp(40px, 6vw, 80px);
}

.catalog-filters {
  margin-bottom: var(--space-3);
}

.catalog-filter-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.catalog-filter-actions .form-check {
  margin-right: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.catalog-filter-actions .form-check-input {
  margin-top: 0;
}

.catalog-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.catalog-provider {
  color: var(--muted);
  font-size: 14px;
}

.catalog-empty {
  text-align: center;
  color: var(--muted);
}

.catalog-load-wrap {
  margin-top: var(--space-3);
  display: flex;
  justify-content: center;
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    margin-top: var(--space-2);
    border-top: 1px solid var(--border);
    padding-top: var(--space-2);
  }

  .navbar-collapse .btn {
    width: 100%;
  }

  .site-nav-wrap {
    justify-content: space-between;
  }

  .section-head-row {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (min-width: 992px) {
  .site-nav-wrap {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    column-gap: 24px;
  }

  .navbar-collapse {
    display: flex !important;
    align-items: center;
    justify-content: center;
  }

  .navbar-nav {
    margin-inline: auto;
    justify-content: center;
  }
}

@media (max-width: 767.98px) {
  :root {
    --anchor-offset: 88px;
  }

  .hero {
    min-height: 520px;
  }

  .hero-content {
    padding-block: 104px 80px;
  }

  .card-panel {
    padding: var(--space-2);
    border-radius: 14px;
  }

  .tour-card-image {
    height: 208px;
  }

  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 1200px) {
  .tour-card-image {
    height: 228px;
  }
}