/* Reset simplu + variabile */
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
img {
  max-width: 100%;
  display: block;
}
button,
input,
textarea,
select {
  font: inherit;
}

:root {
  --bg: #f7f9fc;
  --text: #0f172a;
  --primary: #ffd500;
  --muted: #74839a;
  --card: #ffffff;
  --ring: rgba(0, 0, 0, 0.9);
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
:root.dark {
  --bg: #0b0f14;
  --text: #e2e8f0;
  --card: #0f172a;
  --ring: rgba(0, 0, 0, 0.9);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial,
    sans-serif;
  line-height: 1.6;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}
.section {
  padding: 32px 0;
}
.lead {
  font-size: 1.125rem;
  opacity: 0.9;
  max-width: 64ch;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  box-shadow: var(--shadow);
}
.btn-primary {
  background: var(--primary);
  color: #111;
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--ring);
}

.card {
  background: var(--card);
  border: 1px solid var(--ring);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.grid {
  display: grid;
  gap: 20px;
}
.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.grid.features {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.grid.pricing {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.grid.team {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 900px) {
  .grid.features,
  .grid.pricing {
    grid-template-columns: 1fr;
  }
  .grid.two,
  .grid.team {
    grid-template-columns: 1fr;
  }
}