/*
  Base visual system for the Almaty road trip page.
  Exports: variables, resets, typography, common controls.
  Deps: browser CSS, layout.css.
*/
:root {
  --ink: #1c1b18;
  --muted: #665f55;
  --paper: #f7f1e8;
  --surface: #fffaf2;
  --line: rgba(28, 27, 24, 0.14);
  --accent: #c6532f;
  --accent-dark: #8c321e;
  --green: #526d49;
  --shadow: 0 24px 80px rgba(42, 31, 20, 0.18);
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  letter-spacing: 0;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
}

.topbar {
  align-items: center;
  background: rgba(247, 241, 232, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 20px;
  grid-template-columns: auto 1fr auto;
  left: 0;
  min-height: 68px;
  padding: 12px clamp(18px, 4vw, 54px);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 40;
}

.brand {
  font-size: 18px;
  font-weight: 800;
}

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

.nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.lang-switch {
  align-items: center;
  border: 1px solid var(--line);
  display: flex;
}

.lang-btn {
  background: transparent;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  min-height: 36px;
  padding: 0 12px;
}

.lang-btn.active {
  background: var(--ink);
  color: var(--surface);
}

.primary-link,
.route-list button,
.day-tabs button,
.budget-tabs button {
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.primary-link {
  background: var(--accent);
  color: white;
  display: inline-flex;
  font-weight: 800;
  min-height: 48px;
  padding: 14px 18px;
}

.primary-link:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.section-kicker {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h2 {
  font-size: clamp(30px, 5vw, 64px);
  line-height: 0.98;
  margin-bottom: 0;
}

p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.band {
  padding: clamp(72px, 10vw, 128px) clamp(20px, 6vw, 72px);
}