/* Quizmite static website
   Pure HTML/CSS. Ready for GitHub Pages.
*/

:root {
  --bg: #fffaf1;
  --surface: #ffffff;
  --surface-2: #fff3d8;
  --ink: #1f2633;
  --muted: #5d6878;
  --brand: #ffb703;
  --brand-dark: #d88900;
  --accent: #6c5ce7;
  --accent-soft: #ece9ff;
  --green: #2fbf71;
  --line: rgba(31, 38, 51, 0.12);
  --shadow: 0 20px 60px rgba(31, 38, 51, 0.10);
  --radius: 24px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 183, 3, 0.22), transparent 34rem),
    radial-gradient(circle at top right, rgba(108, 92, 231, 0.14), transparent 32rem),
    var(--bg);
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(255, 250, 241, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: 1.35rem;
}

.logo-bug {
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--brand), #ff6b6b);
  box-shadow: 0 10px 24px rgba(216, 137, 0, 0.22);
  font-size: 1.35rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  text-decoration: none;
  font-weight: 700;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 999px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
  background: rgba(255, 183, 3, 0.20);
}

.hero {
  padding: 86px 0 54px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(108, 92, 231, 0.16);
  border-radius: 999px;
  padding: 8px 13px;
  font-weight: 800;
  font-size: 0.92rem;
}

h1,
h2,
h3 {
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: -0.045em;
}

h1 {
  font-size: clamp(3.1rem, 8vw, 6.8rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

h3 {
  font-size: 1.35rem;
}

p {
  margin: 0 0 16px;
}

.lead {
  font-size: clamp(1.12rem, 2vw, 1.35rem);
  color: var(--muted);
  max-width: 650px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  border: 1px solid transparent;
}

.button.primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 14px 30px rgba(31, 38, 51, 0.18);
}

.button.secondary {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

.phone-card {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 36px;
  padding: 18px;
  max-width: 390px;
  margin-left: auto;
}

.app-screen {
  overflow: hidden;
  border-radius: 28px;
  background: linear-gradient(180deg, #271f4d, #111827);
  color: #fff;
  min-height: 560px;
  padding: 20px;
  position: relative;
}

.app-screen::before {
  content: "";
  position: absolute;
  inset: -80px -80px auto auto;
  width: 220px;
  height: 220px;
  background: rgba(255, 183, 3, 0.28);
  border-radius: 50%;
  filter: blur(4px);
}

.app-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin-bottom: 30px;
}

.pill {
  display: inline-flex;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.16);
  padding: 7px 11px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.8rem;
}

.question-card {
  position: relative;
  border-radius: 26px;
  padding: 22px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(14px);
}

.question-card .category {
  color: var(--brand);
  font-weight: 900;
  margin-bottom: 12px;
}

.question-card .question {
  font-size: 1.55rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.answer-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.answer {
  padding: 14px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.14);
  font-weight: 750;
}

.answer.correct {
  background: rgba(47, 191, 113, 0.24);
  border-color: rgba(47, 191, 113, 0.44);
}

.mascot {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border-radius: 32px;
  background: var(--brand);
  color: var(--ink);
  font-size: 3rem;
  margin: 26px auto 0;
  transform: rotate(-6deg);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
}

.section {
  padding: 64px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 36px;
}

.section-title p {
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 12px 38px rgba(31, 38, 51, 0.06);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--surface-2);
  font-size: 1.45rem;
  margin-bottom: 16px;
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 24px;
  align-items: start;
}

.info-panel {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.info-panel p {
  color: rgba(255,255,255,0.76);
}

.content-page {
  padding: 56px 0 80px;
}

.page-card {
  max-width: 900px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: clamp(24px, 5vw, 48px);
  box-shadow: var(--shadow);
}

.page-card h1 {
  font-size: clamp(2.2rem, 6vw, 4.4rem);
}

.page-card h2 {
  font-size: 1.65rem;
  margin-top: 34px;
}

.page-card h3 {
  margin-top: 24px;
}

.page-card p,
.page-card li {
  color: var(--muted);
}

.page-card ul {
  padding-left: 1.3rem;
}

.notice {
  background: var(--surface-2);
  border: 1px solid rgba(216, 137, 0, 0.20);
  border-radius: 18px;
  padding: 16px 18px;
  margin: 22px 0;
  color: var(--ink);
}

.faq-item {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}

.faq-item:first-of-type {
  border-top: 0;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
}

.footer-links a:hover {
  color: var(--ink);
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 52px;
  }

  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .phone-card {
    margin: 0;
    max-width: none;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .app-screen {
    min-height: 500px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(var(--max), calc(100% - 22px));
  }

  .nav-links a {
    padding: 8px 9px;
    font-size: 0.92rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .card,
  .page-card,
  .info-panel {
    border-radius: 20px;
  }
}