:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #555555;
  --line: #e6e6e6;
  --accent: #c41212;
  --max: 880px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  gap: 1rem;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  text-decoration: none;
  color: var(--text);
  font-size: 1.05rem;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

nav.main-nav > a,
.nav-item > .nav-label {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

nav.main-nav > a:hover,
nav.main-nav > a[aria-current="page"],
.nav-item > .nav-label:hover,
.nav-item.open > .nav-label,
.nav-item > .nav-label[aria-current="page"] {
  color: var(--text);
}

.nav-item {
  position: relative;
}

.nav-item > .nav-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-item > .nav-label::after {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.15s ease;
}

.nav-item.open > .nav-label::after,
.nav-item:hover > .nav-label::after {
  transform: rotate(225deg) translateY(-1px);
}

.dropdown {
  position: absolute;
  top: calc(100% + 0.65rem);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  min-width: 11.5rem;
  padding: 0.4rem 0;
  margin: 0;
  list-style: none;
  text-align: left;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
  z-index: 20;
}

.nav-item:hover > .dropdown,
.nav-item.open > .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown a {
  display: block;
  padding: 0.45rem 0.9rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.dropdown a:hover,
.dropdown a[aria-current="page"] {
  color: var(--text);
  background: #f7f7f7;
}

main {
  padding-top: 2.5rem;
  text-align: center;
}

.hero {
  margin: 0 auto 2rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: #f5f5f5;
}

.hero img {
  display: block;
  width: 100%;
  height: auto;
}

h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 auto 1.75rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.panel {
  max-width: 34rem;
  margin: 0 auto;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  text-align: left;
  color: var(--muted);
}

.panel strong { color: var(--text); font-weight: 600; }

.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  max-width: 34rem;
  margin: 0 auto;
  text-align: left;
}

.section-grid a {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
}

.section-grid a:hover { border-color: #111; }
.section-grid a span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.85rem;
}

footer {
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }
  .section-grid { grid-template-columns: 1fr; }
  .dropdown {
    left: 0;
    transform: translateX(0) translateY(-4px);
  }
  .nav-item:hover > .dropdown,
  .nav-item.open > .dropdown {
    transform: translateX(0) translateY(0);
  }
}