/* Landing site of areyouguru.app: the app's "Night Pulse" palette (dark) and
   its light version, picked from the visitor's system setting. No scripts. */

@font-face {
  font-family: "Plus Jakarta Sans Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url("/fonts/plus-jakarta-sans-latin-wght-normal.woff2")
    format("woff2-variations");
}

:root {
  color-scheme: dark;
  --page: #0b0f1a;
  --page-glow:
    radial-gradient(70% 40% at 100% 0%, rgb(139 92 246 / 25%), transparent 70%),
    radial-gradient(
      60% 40% at -10% 30%,
      rgb(34 211 238 / 12%),
      transparent 68%
    ),
    #0b0f1a;
  --surface: rgb(255 255 255 / 5%);
  --ink: #e8ecf7;
  --ink-soft: #b4bfd8;
  --ink-faint: #8391b1;
  --line: rgb(255 255 255 / 10%);
  --brand: #22d3ee;
  --gradient: linear-gradient(105deg, #22d3ee 0%, #8b5cf6 100%);
  --gradient-text: linear-gradient(
    100deg,
    #22d3ee 0%,
    #a78bfa 58%,
    #f472b6 100%
  );
  --on-gradient: #07101f;
  --glow: 0 0 22px -4px rgb(34 211 238 / 48%);
  --phone-shadow: 0 30px 60px -24px #000;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --page: #f7f8fd;
    --page-glow:
      radial-gradient(
        70% 40% at 100% 0%,
        rgb(139 92 246 / 14%),
        transparent 70%
      ),
      radial-gradient(
        60% 40% at -10% 30%,
        rgb(8 145 178 / 9%),
        transparent 68%
      ),
      #f7f8fd;
    --surface: #fff;
    --ink: #11152e;
    --ink-soft: #485170;
    --ink-faint: #77809d;
    --line: #e0e4f3;
    --brand: #6d3ff0;
    --gradient: linear-gradient(105deg, #0891b2 0%, #6d28d9 100%);
    --gradient-text: linear-gradient(
      100deg,
      #0891b2 0%,
      #7c3aed 58%,
      #db2777 100%
    );
    --on-gradient: #fff;
    --glow: 0 10px 24px -10px rgb(76 43 208 / 45%);
    --phone-shadow: 0 30px 60px -28px rgb(76 43 208 / 45%);
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--page-glow);
  color: var(--ink);
  font-family:
    "Plus Jakarta Sans Variable", "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.gradient,
.wordmark span {
  color: transparent;
  background: var(--gradient-text);
  background-clip: text;
  -webkit-background-clip: text;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--ink-faint);
  font-size: 0.8125rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lead {
  color: var(--ink-soft);
  font-size: 1.1875rem;
}

/* ------------------------------------------------------------ Top bar */

.topbar {
  display: flex;
  max-width: 1120px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 auto;
  padding: 20px 24px;
}

.wordmark {
  color: var(--ink);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.055em;
  text-decoration: none;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  border-radius: 999px;
  background: var(--gradient);
  box-shadow: var(--glow);
  color: var(--on-gradient);
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.button-small {
  min-height: 42px;
  padding: 0 18px;
  font-size: 0.9375rem;
}

.button-ghost {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: none;
  color: var(--ink);
}

/* ------------------------------------------------------------ Hero */

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  display: grid;
  align-items: center;
  gap: 32px;
  padding: 40px 0 72px;
  grid-template-columns: 1.2fr 1fr;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 800;
}

.hero .lead {
  max-width: 34em;
  margin: 22px 0 30px;
}

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

.hero-art {
  display: flex;
  justify-content: center;
}

.mascot-glow {
  width: min(380px, 80%);
  filter: drop-shadow(0 18px 50px rgb(34 211 238 / 28%));
}

/* ------------------------------------------------------------ Features */

.section-title {
  margin-bottom: 48px;
  font-size: clamp(1.875rem, 4.5vw, 2.75rem);
  font-weight: 800;
  text-align: center;
}

.features {
  padding: 24px 0 40px;
}

.feature {
  display: grid;
  align-items: center;
  gap: 56px;
  margin: 0 auto 88px;
  max-width: 920px;
  grid-template-columns: 300px 1fr;
}

.feature-reverse {
  grid-template-columns: 1fr 300px;
}

.feature-reverse .phone {
  order: 2;
}

.feature h3 {
  margin-bottom: 14px;
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 800;
}

.feature-copy p:last-child {
  margin: 0;
  color: var(--ink-soft);
}

.phone {
  margin: 0 auto;
  width: 100%;
  max-width: 300px;
  overflow: hidden;
  border: 8px solid #1b2236;
  border-radius: 38px;
  background: #0b0f1a;
  box-shadow: var(--phone-shadow);
}

/* ------------------------------------------------------------ Get the app */

.get {
  padding: 32px 0 80px;
  text-align: center;
}

.get .section-title {
  margin-bottom: 16px;
}

.get .lead {
  max-width: 34em;
  margin: 0 auto 36px;
}

.stores {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.store {
  display: flex;
  min-width: 232px;
  align-items: center;
  gap: 14px;
  padding: 14px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  color: var(--ink-faint);
  text-align: left;
  text-decoration: none;
}

.store svg {
  width: 30px;
  flex: none;
  fill: currentColor;
}

.store span {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.store small {
  font-size: 0.8125rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.store strong {
  color: var(--ink-soft);
  font-size: 1.0625rem;
}

.store-web {
  border-color: transparent;
  background: var(--gradient);
  box-shadow: var(--glow);
  color: var(--on-gradient);
}

.store-web svg {
  fill: none;
}

.store-web strong {
  color: var(--on-gradient);
}

/* ------------------------------------------------------------ Footer */

.footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 24px 56px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.875rem;
  text-align: center;
}

.promoter {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.promoter img {
  width: 160px;
}

.on-light {
  display: none !important;
}

@media (prefers-color-scheme: light) {
  .on-dark {
    display: none !important;
  }
  .on-light {
    display: block !important;
  }
}

/* ------------------------------------------------------------ Small screens */

@media (max-width: 760px) {
  .topbar {
    padding: 16px;
  }

  main {
    padding: 0 16px;
  }

  .hero {
    padding: 16px 0 48px;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-art {
    order: -1;
  }

  .mascot-glow {
    width: 200px;
  }

  .hero-actions {
    justify-content: center;
  }

  .feature,
  .feature-reverse {
    gap: 28px;
    margin-bottom: 64px;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .feature-reverse .phone {
    order: 0;
  }

  .phone {
    max-width: 260px;
  }

  .store {
    width: 100%;
    max-width: 340px;
  }
}

@media (max-width: 380px) {
  .button-small {
    padding: 0 14px;
    font-size: 0.875rem;
  }
}

/* ------------------------------------------------------------ 404 */

.not-found {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
}

.not-found img {
  width: 160px;
  margin-bottom: 16px;
}