/* QuizToucan — modern, warm, family-friendly theme.
   Matches the app's brand: cream background, graduation-cap blue, green. */

:root {
  --bg: #fbf8f1;          /* warm cream */
  --bg-soft: #f4efe3;     /* alt-section tint */
  --bg-card: #ffffff;
  --blue: #1a237e;        /* deep brand blue (graduation cap) */
  --blue-bright: #3949ab;
  --green: #16a34a;       /* CTA green */
  --green-bright: #15803d;
  --green-dim: #bbf0cf;
  --text: #1a1f29;
  --text-dim: #2c313b;    /* near-black body text for readability */
  --border: #ebe5d7;
  --shadow: 0 4px 20px rgba(26, 35, 126, 0.06);
  --shadow-lg: 0 12px 40px rgba(26, 35, 126, 0.10);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 720px; }

/* ---------- Header ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 248, 241, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
header .container { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 1.2rem; font-weight: 800; color: var(--blue); text-decoration: none; letter-spacing: -0.3px; }
.logo-text span { color: var(--green); }
.logo { display: inline-flex; align-items: center; gap: 8px; }
.logo-img { height: 40px; width: auto; }
nav a { color: var(--text-dim); text-decoration: none; margin-left: 26px; font-size: 0.95rem; font-weight: 500; transition: color 0.15s; }
nav a:hover { color: var(--blue); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.12s, box-shadow 0.12s, background 0.15s;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 6px 18px rgba(22, 163, 74, 0.28);
}
.btn-primary:hover { background: var(--green-bright); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(22, 163, 74, 0.34); }
.btn-primary:disabled { opacity: 0.6; cursor: default; transform: none; }

/* ---------- Hero ---------- */
.hero {
  text-align: center;
  padding: 84px 0 64px;
  background:
    radial-gradient(1200px 500px at 50% -10%, rgba(57, 73, 171, 0.10), transparent 70%),
    radial-gradient(900px 400px at 50% 120%, rgba(22, 163, 74, 0.08), transparent 70%);
}
.hero .badge {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--green-dim);
  color: var(--green-bright);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.hero h1 {
  font-size: clamp(2.3rem, 6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  color: var(--blue);
}
.hero h1 .accent { color: var(--green); }
.hero p {
  color: var(--text-dim);
  font-size: 1.2rem;
  max-width: 620px;
  margin: 22px auto 0;
}

/* ---------- Signup form ---------- */
.signup {
  margin: 34px auto 10px;
  max-width: 540px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.signup input[type=email] {
  flex: 1 1 280px;
  padding: 15px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 1rem;
  box-shadow: var(--shadow);
}
.signup input[type=email]::placeholder { color: #9aa1ad; }
.signup input[type=email]:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(22,163,74,0.15); }
.microcopy { color: var(--text-dim); font-size: 0.88rem; margin-top: 6px; }
.signup-success {
  max-width: 540px;
  margin: 20px auto 0;
  padding: 18px 22px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--green-dim);
  color: var(--text);
  box-shadow: var(--shadow);
}

/* ---------- Trust bar ---------- */
.trustbar { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 20px 0; background: #fff; }
.trustbar .container { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 40px; color: var(--text-dim); font-size: 0.95rem; font-weight: 600; }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-soft); }
.section h2 { text-align: center; font-size: clamp(1.7rem, 4vw, 2.3rem); font-weight: 800; letter-spacing: -0.5px; color: var(--blue); margin-bottom: 14px; }
.section .lead { text-align: center; color: var(--text-dim); font-size: 1.12rem; max-width: 660px; margin: 0 auto 40px; }
.section h2 + .grid, .section h2 + .compare, .section h2 + .curriculum { margin-top: 40px; }

/* ---------- Cards / grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px 26px;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card .icon { font-size: 2rem; }
.card h3 { color: var(--blue); margin: 14px 0 8px; font-size: 1.15rem; font-weight: 700; }
.card p { color: var(--text-dim); font-size: 0.97rem; }

/* ---------- Compare (old vs new) ---------- */
.compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }
.compare-col { border-radius: 20px; padding: 30px 28px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.compare-col.old { background: #fdf3f2; border-color: #f6d9d5; }
.compare-col.new { background: #f1fbf4; border-color: var(--green-dim); }
.compare-col h3 { margin-bottom: 16px; font-size: 1.2rem; font-weight: 700; }
.compare-col.old h3 { color: #c0453a; }
.compare-col.new h3 { color: var(--green-bright); }
.compare-col ul { list-style: none; }
.compare-col li { color: var(--text-dim); margin-bottom: 13px; line-height: 1.5; padding-left: 4px; }
.compare-col strong { color: var(--text); }

/* ---------- Curriculum ---------- */
.curriculum { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.curriculum > div { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 20px 22px; box-shadow: var(--shadow); }
.curriculum strong { color: var(--blue); display: block; margin-bottom: 6px; font-size: 1.05rem; }
.curriculum span { color: var(--text-dim); font-size: 0.93rem; }

/* ---------- Founder blockquote ---------- */
blockquote {
  margin: 0;
  padding: 32px 34px;
  background: #fff;
  border-left: 5px solid var(--green);
  border-radius: 16px;
  color: var(--text);
  font-size: 1.15rem;
  line-height: 1.7;
  font-style: italic;
  box-shadow: var(--shadow);
}
blockquote cite { display: block; margin-top: 18px; color: var(--blue); font-style: normal; font-size: 0.98rem; font-weight: 700; }

/* ---------- FAQ ---------- */
.faq > div { margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.faq > div:last-child { border-bottom: none; }
.faq h3 { color: var(--blue); font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.faq p { color: var(--text-dim); line-height: 1.6; }

/* ---------- Final CTA ---------- */
.final-cta { text-align: center; background: linear-gradient(180deg, var(--bg-soft), #eef8f0); }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--border); padding: 36px 0; text-align: center; color: var(--text-dim); font-size: 0.9rem; background: #fff; }
footer a { color: var(--green-bright); text-decoration: none; font-weight: 600; }

/* ---------- Privacy / policy page ---------- */
.policy { padding: 56px 0 80px; max-width: 760px; margin: 0 auto; }
.policy h1 { font-size: 2.1rem; color: var(--blue); margin-bottom: 6px; letter-spacing: -0.5px; }
.policy .meta { color: var(--text-dim); margin-bottom: 32px; }
.policy h2 { color: var(--blue); font-size: 1.35rem; margin: 36px 0 12px; padding-top: 22px; border-top: 1px solid var(--border); }
.policy h3 { font-size: 1.05rem; margin: 20px 0 8px; color: var(--text); }
.policy p, .policy li { color: var(--text); }
.policy ul, .policy ol { padding-left: 24px; margin: 8px 0 16px; }
.policy strong { color: var(--green-bright); }
.policy a { color: var(--green-bright); }
.highlight { background: #f1fbf4; border: 1px solid var(--green-dim); border-radius: 12px; padding: 16px 20px; margin: 16px 0; }

/* How-it-works video */
.video-wrap { max-width: 960px; margin: 0 auto; border-radius: 16px; overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--border); background: #000; }
.video-wrap video { display: block; width: 100%; height: auto; }

/* Hero call-to-action button (replaced the beta signup form) */
.hero .btn { margin-top: 24px; }