:root {
  --bg: #edf5ff;
  --panel: #ffffff;
  --line: #d4e2f5;
  --text: #101a2d;
  --muted: #4c5a74;
  --accent: #0d69c5;
  --accent-strong: #0954a0;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.4;
}

.landing {
  width: 100%;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 12px;
  font-weight: 800;
  color: var(--accent);
}

.hero {
  padding: clamp(28px, 6vw, 90px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    radial-gradient(circle at 12% 18%, #dbe9fe 0, transparent 34%),
    radial-gradient(circle at 78% 82%, #e8f4ff 0, transparent 40%);
}

.hero h1 {
  margin: 10px 0 0;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 900px;
}

.summary {
  margin: 14px 0 0;
  font-size: clamp(18px, 2.4vw, 28px);
  line-height: 1.45;
  color: var(--muted);
  max-width: 780px;
}

.points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  max-width: 700px;
}

.points li {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: clamp(16px, 1.6vw, 20px);
  color: #23324d;
}

.auth-panel {
  border-left: 1px solid var(--line);
  background: var(--panel);
  padding: clamp(24px, 4vw, 42px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.auth-panel h2 {
  margin: 0;
  font-size: 30px;
}

.status {
  margin: 10px 0 20px;
  color: var(--muted);
  font-size: 14px;
  min-height: 20px;
}

.auth-panel label {
  font-size: 13px;
  font-weight: 700;
  margin: 12px 0 6px;
}

.auth-panel input {
  width: 100%;
  border: 1px solid #c7d7ec;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 15px;
  color: var(--text);
}

.auth-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.auth-panel button {
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  padding: 11px 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.auth-panel button:hover {
  background: var(--accent-strong);
}

.auth-panel button.secondary {
  background: #e9f1ff;
  color: #12345a;
}

.auth-panel button.secondary:hover {
  background: #d9e8ff;
}

.auth-panel button.ghost {
  margin-top: 10px;
  background: #f5f7fb;
  color: #22324a;
}

.auth-panel button.ghost:hover {
  background: #e7edf8;
}

.auth-panel button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.store-link {
  margin-top: 12px;
  font-size: 14px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.store-link:hover {
  text-decoration: underline;
}

.hint {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .landing {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 58vh;
  }

  .auth-panel {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 20px;
  }

  .hero h1 {
    font-size: clamp(30px, 10vw, 40px);
  }

  .summary {
    font-size: 17px;
  }

  .auth-panel {
    padding: 20px;
  }

  .auth-actions {
    grid-template-columns: 1fr;
  }
}