:root {
  --bg: #071a2b;
  --bg-2: #0d223b;
  --panel: rgba(15, 28, 45, 0.62);
  --panel-strong: rgba(9, 21, 33, 0.78);
  --card: rgba(17, 35, 55, 0.72);
  --card-2: rgba(20, 45, 69, 0.8);
  --muted: #abd0ea;
  --text: #edf7ff;
  --primary: #78ddff;
  --primary-2: #5ec5ff;
  --accent: #f7c76a;
  --secondary: #8ea7ff;
  --success: #77e7af;
  --danger: #ff8a8a;
  --shadow: 0 18px 52px rgba(4, 12, 22, 0.56);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at 15% 20%, rgba(120,221,255,0.22), transparent 18%),
    radial-gradient(circle at 80% 0%, rgba(247,199,106,0.18), transparent 22%),
    linear-gradient(135deg, var(--bg) 0%, #071823 28%, #0d1f31 52%, var(--bg-2) 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(7, 26, 43, 0.46);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand-logo {
  display: block;
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 18px rgba(69, 161, 214, 0.25);
  background: rgba(255,255,255,0.04);
}
.brand-mark {
  display: none;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: 0.2s ease;
}
.nav-toggle {
  display: none;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 14px;
  right: 14px;
  height: 3px;
  border-radius: 999px;
  background: var(--text);
  transition: all 0.25s ease;
}
.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 24px; }
.nav-toggle span:nth-child(3) { top: 31px; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(118, 215, 255, 0.12);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #061625;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.hero {
  padding: 62px 0 32px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 28px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(118, 215, 255, 0.08);
  border: 1px solid rgba(118, 215, 255, 0.2);
  color: var(--primary);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1 {
  font-size: clamp(2.8rem, 4vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  margin: 18px 0 16px;
}
.lead {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 62ch;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  padding: 14px 22px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #061625;
}
.btn-secondary {
  border-color: rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
  color: var(--text);
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}
.stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.stat strong {
  display: block;
  font-size: 1.65rem;
  margin-bottom: 8px;
}
.hero-card {
  position: relative;
  background: linear-gradient(180deg, rgba(18,41,62,0.96), rgba(12,26,41,0.9));
  border: 1px solid rgba(118,215,255,0.18);
  border-radius: 28px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.travel-panel {
  border-radius: 22px;
  background: rgba(4, 12, 22, 0.6);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 16px;
}
.route {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
  margin-bottom: 12px;
}
.route .city {
  font-weight: 700;
}
.route .meta {
  color: var(--muted);
  font-size: 0.84rem;
}
.airplane {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(118, 215, 255, 0.1);
  color: var(--primary);
  font-size: 1.4rem;
}
.trip-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}
.trip-summary .box {
  background: rgba(255,255,255,0.03);
  border-radius: 14px;
  padding: 12px;
  text-align: center;
}
.trip-summary .label {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.trip-summary .value {
  margin-top: 6px;
  font-weight: 700;
}

.section {
  padding: 42px 0;
}
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  margin-bottom: 24px;
}
.section-header h2 {
  margin: 0;
  font-size: clamp(2rem, 2vw, 2.6rem);
}
.section-header p {
  color: var(--muted);
  max-width: 60ch;
  margin: 0;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.card {
  background: linear-gradient(180deg, rgba(20, 38, 58, 0.74), rgba(8, 18, 28, 0.9));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.service-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(118,215,255,0.18), rgba(248,200,93,0.18));
  font-size: 1.5rem;
}
.card h3 {
  margin: 18px 0 10px;
  font-size: 1.4rem;
}
.card p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.7;
}
.card .link-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--primary);
  font-weight: 700;
}
.card .pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  background: rgba(124,231,161,0.09);
  color: var(--success);
}

.feature-band {
  background: rgba(255,255,255,0.03);
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 18px;
}
.feature {
  padding: 22px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}
.feature .label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}
.feature strong {
  display: block;
  margin-top: 8px;
  font-size: 1.3rem;
}

.page-hero {
  padding: 44px 0 18px;
}
.page-shell {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  align-items: start;
}
.detail-card,
.form-card {
  background: linear-gradient(180deg, rgba(20, 38, 58, 0.7), rgba(8, 18, 28, 0.88));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 26px;
  padding: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.ai-page-shell {
  position: relative;
  min-height: 100vh;
}

.ai-page-shell-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: stretch;
}

.ai-hero-panel {
  background:
    linear-gradient(180deg, rgba(11, 26, 39, 0.66), rgba(9, 18, 30, 0.82)),
    url('https://images.unsplash.com/photo-1436491865332-7a61a109cc05?auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
}

.ai-chat-card {
  background: rgba(12, 22, 35, 0.7);
  border: 1px solid rgba(120, 221, 255, 0.2);
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  min-height: 620px;
}

.ai-chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 18px;
  color: var(--muted);
}

.ai-badge {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #071a2b;
}

.chat-messages {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  overflow: auto;
  padding-right: 6px;
}

.message {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.message.user {
  justify-content: flex-end;
}

.message.user .bubble {
  background: linear-gradient(135deg, rgba(120,221,255,0.25), rgba(142,167,255,0.2));
  color: var(--text);
  border: 1px solid rgba(120,221,255,0.22);
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #071a2b;
  font-weight: 800;
  font-size: 0.76rem;
}

.bubble {
  max-width: 80%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px 18px 18px 6px;
  padding: 14px 16px;
  line-height: 1.6;
  color: var(--text);
  white-space: pre-wrap;
}

.message.user .bubble {
  border-radius: 18px 18px 6px 18px;
}

.chat-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.chat-form textarea {
  min-height: 110px;
  resize: vertical;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(7, 20, 30, 0.8);
  border-radius: 18px;
  padding: 14px 16px;
  color: var(--text);
  font: inherit;
}

.chat-form .btn {
  min-width: 150px;
  min-height: 52px;
}
.kicker {
  color: var(--primary);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}
.page-shell h1 {
  font-size: clamp(2.5rem, 3vw, 4rem);
}
.meta-list {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  display: grid;
  gap: 12px;
}
.meta-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.025);
  color: var(--muted);
}
.meta-list li b { color: var(--text); }

.check-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
.check-list > div {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}
.check {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(124,231,161,0.1);
  color: var(--success);
  font-weight: 900;
}

.form-card form {
  display: grid;
  gap: 16px;
}
.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}
label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  background: rgba(5, 16, 26, 0.7);
  color: var(--text);
  font: inherit;
}
textarea { min-height: 108px; resize: vertical; }

.result-box {
  margin-top: 22px;
  padding: 20px;
  border-radius: 16px;
  background: rgba(118, 215, 255, 0.08);
  border: 1px solid rgba(118, 215, 255, 0.18);
}
.result-box h3 {
  margin: 0 0 8px;
}
.result-box p {
  margin: 8px 0;
  color: var(--text);
}

.footer {
  padding: 40px 0 70px;
  color: var(--muted);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
}

.pwa-install-toast {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: min(360px, calc(100vw - 28px));
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(11, 24, 37, 0.78);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  animation: toast-in 0.35s ease;
}

.pwa-install-toast.hide {
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.25s ease;
}

.install-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.install-brand img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
}

.install-brand strong,
.install-brand small {
  display: block;
}

.install-brand small {
  color: var(--muted);
  margin-top: 4px;
}

.install-button {
  border: none;
  border-radius: 12px;
  padding: 10px 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #071a2b;
  font-weight: 800;
  cursor: pointer;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .page-shell,
  .grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .stats { grid-template-columns: 1fr; }
  .nav { flex-wrap: wrap; justify-content: center; padding: 12px 0; }
  .nav-links { justify-content: center; }
}

@media (max-width: 760px) {
  .nav {
    position: relative;
    min-height: 72px;
    justify-content: space-between;
  }
  .nav-toggle {
    display: block;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border-radius: 18px;
    background: rgba(8, 17, 28, 0.98);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    width: 100%;
    text-align: center;
  }
  .nav-cta {
    display: none;
  }
}

@media (max-width: 560px) {
  .field-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2.5rem; }
  .nav-cta { width: 100%; justify-content: center; }
}