/* Techs At Work — product site */
:root {
  --bg: #0b0e13;
  --surface: #131822;
  --surface-2: #1a2230;
  --text: #e8ecf1;
  --muted: #9aa7b8;
  --accent: #4c8dff;
  --accent-2: #34d399;
  --warn: #fbbf24;
  --border: #263042;
  --radius: 14px;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 14, 19, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px;
}
.brand { font-weight: 700; font-size: 1.05rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand span { color: var(--accent); }
nav.site a { color: var(--muted); margin-left: 22px; font-size: 0.95rem; }
nav.site a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { padding: 96px 0 72px; text-align: center; }
.hero .kicker {
  display: inline-block; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-2); border: 1px solid var(--border); border-radius: 999px;
  padding: 5px 14px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.15; margin: 0 0 18px; }
.hero p.lede { font-size: 1.15rem; color: var(--muted); max-width: 640px; margin: 0 auto 34px; }

/* Buttons */
.btn {
  display: inline-block; padding: 13px 28px; border-radius: 10px;
  font-weight: 600; font-size: 1rem; border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #3d7df0; }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn-ghost:hover { background: var(--surface-2); }
.btn[disabled] { opacity: 0.45; pointer-events: none; }

/* Sections */
section { padding: 64px 0; }
section h2 { font-size: 1.6rem; margin: 0 0 8px; }
section .sub { color: var(--muted); margin: 0 0 36px; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 760px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
}
.card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }

/* Product chooser cards (landing) */
.product-card { display: block; color: var(--text); padding: 34px 28px; }
.product-card:hover { text-decoration: none; border-color: var(--accent); }
.product-card .os { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.product-card h3 { font-size: 1.35rem; margin: 6px 0 10px; }
.product-card .go { color: var(--accent); font-size: 0.95rem; margin-top: 14px; display: inline-block; }

/* Notices */
.notice {
  border: 1px solid var(--warn); border-radius: 10px;
  background: rgba(251, 191, 36, 0.07);
  color: #fde9b8; padding: 14px 18px; font-size: 0.92rem;
  max-width: 640px; margin: 22px auto 0; text-align: left;
}
.notice strong { color: var(--warn); }

/* Download box */
.download-box { text-align: center; padding: 40px 26px; }
.download-box .meta { color: var(--muted); font-size: 0.9rem; margin-top: 14px; }
.download-box code {
  background: var(--surface-2); border-radius: 6px; padding: 2px 8px; font-size: 0.85rem;
}

/* Feature list with availability tags */
.tag {
  display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em;
  border-radius: 999px; padding: 2px 10px; margin-left: 8px; vertical-align: middle;
}
.tag-free { background: rgba(52, 211, 153, 0.15); color: var(--accent-2); }
.tag-pro { background: rgba(76, 141, 255, 0.15); color: var(--accent); }
.tag-beta { background: rgba(251, 191, 36, 0.15); color: var(--warn); }

/* Footer */
footer.site {
  border-top: 1px solid var(--border); margin-top: 40px;
  padding: 34px 0 46px; color: var(--muted); font-size: 0.88rem;
}
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}