:root {
  --white: #ffffff;
  --page-bg: #f8fafc;
  --light-grey: #eef1f5;
  --border: #d7dce5;
  --black: #101010;
  --text: #1f2933;
  --muted: #647080;
  --blue: #4285f4;
  --green: #34a853;
  --yellow: #fbbc05;
  --red: #ea4335;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(16, 16, 16, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

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

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

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

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.page {
  padding: 34px 0 56px;
}

.section {
  padding: 42px 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.section-heading h2,
.page-title h1,
.hero h1 {
  margin: 0;
  color: var(--black);
  letter-spacing: 0;
}

.page-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.page-title p,
.section-heading p,
.hero p {
  margin: 8px 0 0;
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 72px;
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) auto;
  align-items: center;
  gap: 22px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--black);
  white-space: nowrap;
}

.logo-text {
  display: grid;
  line-height: 1.1;
}

.logo-text small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.logo-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--black);
  border-radius: 7px;
  background: var(--white);
  font-size: 15px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: flex-end;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

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

.main-nav a.active,
.main-nav a:hover {
  color: var(--blue);
}

.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: var(--radius);
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--black);
}

.hero {
  padding: 54px 0 46px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 34px;
  align-items: center;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
}

.hero p {
  max-width: 720px;
  font-size: 18px;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.stock-rail {
  background: var(--page-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.rail-row {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.rail-row:last-child {
  border-bottom: 0;
}

.rail-count {
  color: var(--black);
  font-size: 24px;
  font-weight: 800;
}

.rail-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.footer {
  border-top: 1px solid var(--border);
  background: var(--white);
  padding: 32px 0;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 22px;
}

.footer h3,
.footer h4 {
  color: var(--black);
  margin: 0 0 10px;
}

.footer a,
.footer p {
  display: block;
  margin: 7px 0;
  color: var(--muted);
  font-size: 14px;
}