:root {
  --primary: #a05a2c;
  --primary-dark: #6b3a1b;
  --primary-darker: #44240f;
  --primary-light: #e9cfba;
  --primary-tint: #f8efe8;
  --secondary: #ffcc00;
  --secondary-dark: #d9ad00;
  --secondary-tint: #fff5cc;
  --ink: #2a1a10;
  --muted: #7a6657;
  --line: #eadfd5;
  --bg: #fcf9f6;
  --white: #ffffff;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 18px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--primary-darker);
  text-decoration: none;
}
.brand-logo {
  width: 40px;
  height: 40px;
  display: block;
  object-fit: contain;
  transition: transform 0.25s ease;
}
.brand:hover .brand-logo { transform: rotate(18deg) scale(1.08); }
.brand:hover { color: var(--primary); }
.site-nav a {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}
.site-nav a:hover { background: var(--primary-tint); color: var(--primary-dark); }

/* Page band behind the card */
body {
  background:
    radial-gradient(circle at 85% 0%, rgba(255, 204, 0, 0.35), transparent 40%) top / 100% 280px no-repeat,
    linear-gradient(135deg, var(--primary-dark), var(--primary)) top / 100% 280px no-repeat,
    var(--bg);
}

/* Content */
.container {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 5vw, 3.25rem);
  box-shadow: 0 20px 50px -20px rgba(68, 36, 15, 0.25);
}

h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 5vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--primary-darker);
}
h2 {
  position: relative;
  margin: 2.5rem 0 0.75rem;
  padding-top: 1.1rem;
  font-size: 1.35rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--primary-dark);
}
h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 4px;
  border-radius: 4px;
  background: var(--secondary);
}

p { margin: 0 0 1rem; }
ul { margin: 0 0 1.25rem; padding-left: 1.25rem; }
li { margin-bottom: 0.4rem; }
li::marker { color: var(--primary); }

a {
  color: var(--primary);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s;
}
a:hover { color: var(--primary-dark); text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; border-radius: 3px; }

strong { color: var(--primary-darker); font-weight: 600; }

.meta {
  display: inline-block;
  margin: 0 0 1.5rem;
  padding: 0.9rem 1.2rem;
  background: var(--primary-tint);
  border: 1px solid var(--primary-light);
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--muted);
}

.notice {
  margin: 1.5rem 0 0.5rem;
  padding: 1.1rem 1.3rem;
  background: var(--secondary-tint);
  border-left: 5px solid var(--secondary);
  border-radius: 6px 12px 12px 6px;
  font-size: 1rem;
}

.card footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}

.site-nav { display: flex; align-items: center; gap: 0.25rem; }
.site-nav a.lang-switch { margin-left: 0.4rem; box-shadow: inset 0 0 0 2px var(--primary-light); }
.site-nav a[aria-current="page"] { background: var(--primary-tint); color: var(--primary-dark); }

/* Home page */
body.home { background: var(--bg); }
.hero {
  background:
    radial-gradient(circle at 85% 0%, rgba(255, 204, 0, 0.35), transparent 45%),
    linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  padding: 4.5rem 1.25rem 7rem;
}
.hero-inner { max-width: 880px; margin: 0 auto; }
.hero h1 { color: var(--white); font-size: clamp(2.4rem, 7vw, 4rem); margin-bottom: 0.75rem; }
.hero .lead { font-size: 1.25rem; max-width: 34rem; color: var(--primary-tint); margin-bottom: 1.75rem; }
.hero .lead strong { color: var(--secondary); }
.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
}
.eyebrow-dark { color: var(--primary); }
.btn {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  background: var(--secondary);
  color: var(--primary-darker);
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}
.btn:hover { background: var(--secondary-dark); color: var(--primary-darker); transform: translateY(-2px); }
.btn-solid { background: var(--primary); color: var(--white); }
.btn-solid:hover { background: var(--primary-dark); color: var(--white); }
.btn-ghost { background: transparent; color: var(--primary); box-shadow: inset 0 0 0 2px var(--primary-light); }
.btn-ghost:hover { background: var(--primary-tint); color: var(--primary-dark); }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.home-main { margin-top: -4.5rem; padding-top: 0; }
.home-main .card + .card { margin-top: 1.5rem; }
h2.first { margin-top: 0; padding-top: 0; font-size: 1.8rem; }
h2.first::before { display: none; }
.app-title { display: flex; align-items: center; gap: 1.1rem; margin-bottom: 1.25rem; }
.app-title h2.first { margin: 0; }
.app-icon {
  width: 88px;
  height: 88px;
  flex: none;
  border-radius: 22%;
  object-fit: cover;
  image-rendering: pixelated;
  box-shadow: 0 8px 20px -6px rgba(68, 36, 15, 0.45), inset 0 0 0 1px rgba(255, 255, 255, 0.15);
}
@media (max-width: 560px) { .app-icon { width: 72px; height: 72px; } }

@media (max-width: 560px) {
  .hero { padding: 3rem 1.25rem 6rem; }
  .site-nav a { padding: 0.4rem 0.55rem; font-size: 0.88rem; }
  .brand { font-size: 1rem; }
  body { font-size: 1rem; }
  .container { padding: 1.5rem 0.85rem 3rem; }
}