:root {
  --blue: #1e4598;
  --yellow: #feb622;
  --orange: #fe541c;
  --ink: #f7f9ff;
  --muted: #aab3c7;
  --page: #05070d;
  --surface: #0d111c;
  --surface-strong: #121929;
  --line: rgba(255, 255, 255, 0.12);
  --glow-blue: rgba(30, 69, 152, 0.48);
  --glow-orange: rgba(254, 84, 28, 0.34);
  --glow-yellow: rgba(254, 182, 34, 0.3);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(30, 69, 152, 0.24), transparent 34rem),
    radial-gradient(circle at bottom left, rgba(254, 84, 28, 0.18), transparent 30rem),
    var(--page);
  font-family: Arial, Helvetica, sans-serif;
}

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

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 240px;
  padding: 28px 20px;
  color: #ffffff;
  background: linear-gradient(180deg, #080b13, #0e1422);
  border-right: 1px solid rgba(254, 182, 34, 0.24);
  box-shadow: 18px 0 45px rgba(0, 0, 0, 0.35);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
  font-size: 21px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #06080e;
  background: linear-gradient(135deg, var(--yellow), var(--orange));
  border-radius: 8px;
  box-shadow: 0 0 28px var(--glow-yellow);
}

.nav-links {
  display: grid;
  gap: 10px;
}

.nav-link {
  padding: 14px 16px;
  color: #dbe4ff;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
  background: rgba(30, 69, 152, 0.35);
  border-color: rgba(254, 182, 34, 0.56);
  transform: translateX(4px);
}

.page-shell {
  margin-left: 240px;
  padding: 44px;
}

.page-header {
  max-width: 900px;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--yellow);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  
}

h1 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
}

.intro {
  max-width: 720px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.featured-video {
  max-width: 1050px;
  margin-bottom: 42px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  border: 1px solid rgba(254, 182, 34, 0.2);
  border-radius: 8px;
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.45), 0 0 38px var(--glow-blue);
}

.video-frame {
  aspect-ratio: 16 / 9;
  background: #000000;
  border-bottom: 5px solid var(--orange);
}

.video-frame iframe,
.video-frame video {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2 {
  margin: 0;
  color: #ffffff;
  font-size: 30px;
}

.city-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.city-card {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background-image: linear-gradient(135deg, rgba(5, 7, 13, 0.18), rgba(5, 7, 13, 0.28)), var(--city-image);
  background-position: center;
  background-size: cover;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.36);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.city-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.78)),
    linear-gradient(135deg, rgba(30, 69, 152, 0.2), rgba(254, 84, 28, 0.14));
  transition: background 220ms ease;
}

.city-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 7px;
  background: linear-gradient(90deg, var(--blue), var(--yellow), var(--orange));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.city-card:hover,
.city-card:focus-visible {
  transform: translateY(-8px);
  border-color: rgba(254, 182, 34, 0.72);
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.5), 0 0 32px var(--glow-orange);
}

.city-card:hover::before,
.city-card:focus-visible::before {
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.54)),
    linear-gradient(135deg, rgba(30, 69, 152, 0.58), rgba(254, 84, 28, 0.42));
}

.city-card:hover::after,
.city-card:focus-visible::after {
  transform: scaleX(1);
}

.city-card span {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  color: #ffffff;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.05;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.55);
}

.coming-soon-message {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 20;
  padding: 14px 22px;
  color: #090b10;
  background: linear-gradient(135deg, var(--yellow), var(--orange));
  border-radius: 8px;
  font-weight: 900;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.45), 0 0 28px var(--glow-orange);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 16px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.coming-soon-message.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 24px;
  align-items: start;
}

.contact-form,
.contact-panel {
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 26px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #ffffff;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  padding: 14px 15px;
  color: #ffffff;
  background: #080b13;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  font: inherit;
}

input::placeholder,
textarea::placeholder {
  color: #7f8ba4;
}

input:focus,
textarea:focus {
  outline: 3px solid rgba(254, 182, 34, 0.24);
  border-color: var(--yellow);
}

.upload-box {
  padding: 18px;
  border: 2px dashed rgba(254, 182, 34, 0.72);
  border-radius: 8px;
  background: rgba(254, 182, 34, 0.08);
}

.button {
  width: fit-content;
  min-height: 48px;
  padding: 0 22px;
  color: #090b10;
  background: linear-gradient(135deg, var(--yellow), var(--orange));
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 12px 26px rgba(254, 84, 28, 0.22);
}

.button:hover {
  filter: brightness(1.08);
}

.contact-panel {
  padding: 26px;
  border-top: 6px solid var(--orange);
}

.contact-panel h2 {
  margin: 0 0 12px;
  color: #ffffff;
  font-size: 24px;
}

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

@media (max-width: 1100px) {
  .city-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .sidebar {
    position: static;
    width: 100%;
    padding: 18px;
  }

  .brand {
    margin-bottom: 18px;
  }

  .nav-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-link:hover,
  .nav-link.active {
    transform: none;
  }

  .page-shell {
    margin-left: 0;
    padding: 28px 18px;
  }

  .city-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .city-card {
    min-height: 180px;
  }
}