/* cOoFfEeina Beta – Mobile-first styles */
:root {
  --bg: #0f0f10;
  --surface: #16171a;
  --text: #f5f7fa;
  --muted: #b9c0cb;
  --primary: #9c5cff; /* coffee-ish violet accent */
  --primary-contrast: #ffffff;
  --success: #22c55e;
  --danger: #ef4444;
  --border: #26272b;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
}

/* Layout */
.container { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 16px; }
.section { padding: 40px 0; border-top: 1px solid var(--border); }
.section:first-of-type { border-top: none; }
.section h2 { margin: 0 0 12px; font-size: 1.4rem; }
.section p { margin: 8px 0 0; color: var(--muted); }

/* Top nav */
.topnav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(15, 15, 16, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.topnav .bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; }
.brand { font-weight: 700; letter-spacing: 0.3px; }
.spacer { flex: 1; }

/* Hero */
.hero { padding: 48px 0 28px; text-align: center; }
.hero h1 { margin: 0 0 8px; font-size: 2rem; }
.hero p { margin: 0 0 18px; color: var(--muted); }
.hero .cta { display: inline-flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn { appearance: none; border: 1px solid var(--border); color: var(--text); background: var(--surface); padding: 10px 14px; border-radius: 10px; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.btn:hover { border-color: #3a3b40; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-contrast); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.card + .card { margin-top: 16px; }

/* Form */
.form { display: grid; gap: 12px; }
.label { font-weight: 600; font-size: 0.95rem; }
.input, .select, .textarea { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: #121316; color: var(--text); }
.input:focus { outline: 2px solid #2f2f33; }
.radio-group { display: flex; gap: 12px; flex-wrap: wrap; }
.radio { display: inline-flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--border); background: #121316; border-radius: 10px; }
.help { font-size: 0.9rem; color: var(--muted); }

/* Messages */
.msg { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); }
.msg-success { background: #112415; border-color: #214c2b; color: #a7e3b5; }
.msg-error { background: #2b1212; border-color: #5c2424; color: #f3b5b5; }

/* Footer */
.footer { padding: 26px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.95rem; }
.footer a { color: var(--text); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* Responsive */
@media (min-width: 720px) {
  .hero h1 { font-size: 2.4rem; }
}