/* IELTS BandReady — website styles. Calm, matches the app's teal/coral brand. */
:root {
  --primary: #0E7C7B;
  --primary-dark: #0A5C5B;
  --accent: #F26A4B;
  --ink: #0F1B2D;
  --ink-muted: #5A6B7B;
  --line: #E4E9EE;
  --surface: #FFFFFF;
  --surface-alt: #F5F8FA;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--ink);
  background: var(--surface-alt);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); }

.header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 28px 20px;
}
.header-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-bars {
  display: flex;
  align-items: flex-end;
  height: 40px;
  gap: 4px;
}
.logo-bars span {
  width: 9px;
  background: var(--accent);
  border-radius: 5px;
}
.logo-bars span:nth-child(1) { height: 18px; }
.logo-bars span:nth-child(2) { height: 28px; }
.logo-bars span:nth-child(3) { height: 40px; }
.logo-bars span:nth-child(4) { height: 26px; }
.wordmark { font-size: 22px; font-weight: 800; letter-spacing: -0.3px; }
.header a { color: #fff; }

.nav {
  max-width: 760px;
  margin: 0 auto;
  padding: 12px 20px 0;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-weight: 600;
  font-size: 15px;
}
.nav a { text-decoration: none; }
.nav a:hover { text-decoration: underline; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.card {
  background: var(--surface);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 6px 24px rgba(15, 27, 45, 0.06);
  margin-bottom: 24px;
}

h1 { font-size: 30px; letter-spacing: -0.4px; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 28px 0 8px; }
h3 { font-size: 17px; margin: 20px 0 6px; }
.subtitle { color: var(--ink-muted); margin-top: 0; }
.updated { color: var(--ink-muted); font-size: 14px; }

.hero {
  text-align: center;
  padding: 8px 0 4px;
}
.hero .tagline {
  font-size: 18px;
  color: var(--ink-muted);
  max-width: 520px;
  margin: 8px auto 0;
}

.badge {
  display: inline-block;
  background: #E3F5EC;
  color: #2E9E6B;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 600;
  margin-top: 16px;
}

ul { padding-left: 20px; }
li { margin-bottom: 6px; }

.pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.pill {
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
}

footer {
  text-align: center;
  color: var(--ink-muted);
  font-size: 14px;
  padding: 24px 20px 48px;
}
footer a { text-decoration: none; }

.contact {
  background: var(--surface-alt);
  border-radius: 12px;
  padding: 16px 18px;
  font-weight: 600;
}