:root {
  --bg: hsl(228 33% 97%);
  --fg: hsl(0 0% 20%);
  --muted: hsl(228 12% 44%);
  --card: #fff;
  --border: hsl(220 16% 87%);
  --primary: hsl(30 31% 44%);
  --primary-fg: #fff;
  --cloud-2: hsl(236 26% 89%);
  --danger: hsl(0 84% 60%);
  --sans: "Plus Jakarta Sans", system-ui, sans-serif;
  --display: "Funnel Display", "Plus Jakarta Sans", system-ui, sans-serif;
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
}

button, input { font: inherit; }

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
}

.brand-row svg { width: 28px; height: 30px; display: block; }

.brand-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 28px;
  letter-spacing: 0.01em;
  line-height: 1;
}

.brand-kicker {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 18px 50px hsl(228 25% 25% / 0.08);
  padding: 28px 28px 24px;
}

.card h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.lede {
  margin: 8px 0 22px;
  color: var(--muted);
}

label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
}

.field { margin-bottom: 16px; }

input[type="email"],
input[type="password"] {
  width: 100%;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: hsl(228 33% 98%);
  padding: 0 12px;
  color: var(--fg);
}

input:focus {
  outline: 2px solid hsl(30 31% 44% / 0.35);
  border-color: var(--primary);
}

.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  border-radius: 10px;
  height: 44px;
  padding: 0 16px;
  font-weight: 600;
}

.btn-primary {
  width: 100%;
  background: var(--primary);
  color: var(--primary-fg);
}

.btn-primary:hover { filter: brightness(1.05); }

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  height: 36px;
}

.erro {
  margin: 0 0 12px;
  color: var(--danger);
  font-size: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: hsl(228 33% 98%);
}

.topbar .brand { margin: 0; flex-direction: row; gap: 14px; align-items: center; }
.topbar .brand-kicker { letter-spacing: 0.14em; }

.quem {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}

.pagina {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.pagina h1 {
  margin: 0 0 6px;
  font-family: var(--display);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.grade {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.tutorial {
  display: flex;
  flex-direction: column;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  color: inherit;
}

.tutorial:hover { border-color: hsl(30 31% 44% / 0.45); }

.capa {
  height: 148px;
  background:
    radial-gradient(circle at 20% 20%, hsl(30 31% 78% / 0.55), transparent 55%),
    linear-gradient(160deg, hsl(228 33% 96%), hsl(30 20% 90%));
  display: grid;
  place-items: center;
  color: var(--primary);
}

.capa svg { width: 36px; height: 36px; }

.tutorial-corpo { padding: 16px 16px 18px; }

.tutorial h2 {
  margin: 0 0 6px;
  font-family: var(--display);
  font-size: 20px;
  font-weight: 600;
}

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

.duracao {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
}

.voltar {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.player {
  background: hsl(228 33% 8%);
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  color: hsl(30 30% 78%);
  text-align: center;
  padding: 24px;
}

.player--video { padding: 0; }

.player video {
  width: 100%;
  height: 100%;
  background: #000;
}

.player p { max-width: 420px; margin: 8px auto 0; color: hsl(228 14% 78%); }

@media (max-width: 640px) {
  .topbar { padding: 14px 16px; }
  .quem span { display: none; }
  .pagina { width: min(1080px, calc(100% - 28px)); }
  .pagina h1 { font-size: 30px; }
}