/* Base: reset + reusable UI tokens */
:root {
  --maxw: 1160px;
  --radius: 16px;
  --shadow: 0 10px 28px rgba(0,0,0,.25);
  --accent: #2f7bff;
  --accent2: #46b4ff;

  --header-h: 70px;
  --footer-h: 56px;

  --font: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --fs-0: 14px;
  --fs-1: 16px;
  --fs-2: 22px;
  --fs-3: 32px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-1);
  line-height: 1.55;
}

a { color: inherit; }

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

/* Reusable building blocks */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 10px 14px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #0b1020;
}
.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.iconbtn {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(47,123,255,.15), rgba(70,180,255,.08));
  color: var(--text);
  font-size: 13px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
  text-decoration: none;
  font-size: 13px;
  color: var(--text);
}

.h2 { font-size: 18px; margin: 0 0 10px; }
.h3 { font-size: 16px; margin: 0 0 10px; }
.lead { font-size: 16px; color: var(--muted); margin-top: 0; }
.muted { color: var(--muted); font-size: 13px; }
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.spacer { height: 12px; }

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
}

.inline { display: flex; flex-wrap: wrap; gap: 10px; }

.bullets { margin: 10px 0 0; padding-left: 18px; }
.bullets li { margin: 6px 0; }

.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; gap: 10px; padding: 8px 0; color: var(--text); }
.list i { color: var(--accent2); margin-top: 2px; }

.steps { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.step {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: rgba(47,123,255,.18);
  border: 1px solid rgba(47,123,255,.35);
  color: var(--text);
  font-weight: 700;
  margin-right: 10px;
}

.alert {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  margin: 0 0 14px;
}
.alert--success { border-color: rgba(70,180,255,.35); }

.form { margin-top: 12px; }
.label { display: block; font-weight: 600; font-size: 13px; margin: 0 0 8px; color: var(--muted); }
.form__row { display: flex; gap: 10px; align-items: center; }
.input {
  flex: 1;
  min-width: 0;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 12px;
  outline: none;
}
.input:focus { border-color: rgba(47,123,255,.6); box-shadow: 0 0 0 4px rgba(47,123,255,.15); }
@media (max-width: 520px) {
  .form__row { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
}