/* Prompty marketing site — dark, premium, system fonts, no build step. */

:root {
  --bg: #0b0b12;
  --bg-raise: #12121c;
  --card: #14141f;
  --card-hover: #1a1a28;
  --border: #262639;
  --text: #e9e9f2;
  --text-dim: #9a9ab0;
  --accent: #512bd4;
  --accent-soft: #7c5cf0;
  --gold: #f9a825;
  --radius: 16px;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

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

.skip-link {
  position: absolute; left: -9999px; top: 0; padding: 8px 16px;
  background: var(--accent); color: #fff; z-index: 100; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 11, 18, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none;
}
.nav-links { display: flex; gap: 20px; margin-left: auto; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-size: 0.92rem; }
.nav-links a:hover { color: var(--text); }
.nav .btn-sm { margin-left: 8px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 999px;
  font-weight: 600; font-size: 0.95rem; text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  cursor: pointer; border: 1px solid transparent;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent-soft), var(--accent));
  color: #fff; box-shadow: 0 4px 24px rgba(81, 43, 212, .4);
}
.btn-primary:hover { box-shadow: 0 6px 32px rgba(81, 43, 212, .6); transform: translateY(-1px); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--bg-raise); }
.btn-ghost:hover { background: var(--card-hover); transform: translateY(-1px); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn.disabled { opacity: .45; pointer-events: none; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  max-width: var(--max); margin: 0 auto;
  padding: 72px 24px 48px;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
}
.hero-glow {
  position: absolute; inset: -40% -20% auto; height: 600px;
  background: radial-gradient(closest-side, rgba(81,43,212,.35), transparent);
  pointer-events: none;
}
.hero-inner { position: relative; }
.eyebrow {
  margin: 0 0 10px; font-size: .78rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent-soft);
}
h1 { margin: 0 0 18px; font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.08; letter-spacing: -.02em; }
h1 em { font-style: normal; background: linear-gradient(90deg, #a78bfa, #512bd4); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { margin: 0 0 28px; color: var(--text-dim); font-size: 1.08rem; max-width: 34rem; }
.lede strong { color: var(--text); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badges {
  display: flex; gap: 18px; flex-wrap: wrap; margin: 26px 0 0; padding: 0;
  list-style: none; font-size: .82rem; color: var(--text-dim);
}
.hero-badges li::before { content: "✓ "; color: var(--accent-soft); font-weight: 700; }

/* mock picker */
.hero-mock { position: relative; }
.mock-window {
  background: var(--bg-raise); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.03) inset;
  transform: rotate(1.2deg);
  transition: transform .3s ease;
}
.mock-window:hover { transform: rotate(0); }
.mock-titlebar {
  display: flex; gap: 6px; align-items: center; padding: 10px 14px;
  background: #0e0e18; border-bottom: 1px solid var(--border);
}
.mock-titlebar span { width: 10px; height: 10px; border-radius: 50%; background: #3a3a52; }
.mock-titlebar span:first-child { background: #ff5f57; }
.mock-titlebar span:nth-child(2) { background: #febc2e; }
.mock-titlebar span:nth-child(3) { background: #28c840; }
.mock-titlebar em { margin-left: 10px; font-style: normal; font-size: .75rem; color: var(--text-dim); }
.mock-picker { padding: 12px; font-size: .82rem; }
.mock-search {
  padding: 9px 12px; border-radius: 8px; background: #0b0b12;
  border: 1px solid var(--accent); color: var(--text-dim); margin-bottom: 8px;
}
.mock-caret { display: inline-block; width: 7px; height: 14px; background: var(--accent-soft); vertical-align: -2px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.mock-sep { padding: 8px 12px 4px; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }
.mock-row { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 8px; color: var(--text); }
.mock-row.active { background: rgba(81, 43, 212, .22); }
.mock-ico { width: 18px; text-align: center; }
.mock-meta { margin-left: auto; font-size: .72rem; color: var(--text-dim); }
.mock-statusbar {
  display: flex; justify-content: space-between; margin-top: 8px; padding: 8px 12px;
  border-top: 1px solid var(--border); font-size: .72rem; color: var(--text-dim);
}
.mock-spark { color: var(--accent-soft); font-weight: 600; }

/* ---------- stats ---------- */
.stats {
  max-width: var(--max); margin: 24px auto; padding: 0 24px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; text-align: center;
}
.stat-num { display: block; font-size: 1.9rem; font-weight: 800; letter-spacing: -.02em; }
.stat-num .star { color: var(--gold); }
.stat-label { font-size: .8rem; color: var(--text-dim); }

/* ---------- sections ---------- */
.section { max-width: var(--max); margin: 0 auto; padding: 72px 24px 24px; }
.section h2 { margin: 0 0 28px; font-size: clamp(1.6rem, 3vw, 2.3rem); letter-spacing: -.02em; }
.grid { display: grid; gap: 18px; }
.cards { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-3px); background: var(--card-hover); border-color: #37375a; }
.card-ico {
  width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 12px; background: rgba(81, 43, 212, .18); color: var(--accent-soft);
  font-size: 1.2rem; margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-dim); font-size: .92rem; }
kbd {
  font-family: ui-monospace, monospace; font-size: .8em;
  background: var(--bg); border: 1px solid var(--border); border-bottom-width: 2px;
  padding: 1px 6px; border-radius: 6px;
}
code { font-family: ui-monospace, monospace; font-size: .85em; color: var(--accent-soft); }

/* chains flow */
.chains-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 18px; align-items: stretch; }
.flow-step {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px;
}
.flow-num {
  width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent));
  font-weight: 800; margin-bottom: 14px;
}
.flow-step h3 { margin: 0 0 8px; }
.flow-step p { margin: 0; color: var(--text-dim); font-size: .92rem; }
.flow-arrow { align-self: center; color: var(--accent-soft); font-size: 1.4rem; font-weight: 700; }

/* IDE matrix */
.ide-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  list-style: none; margin: 0; padding: 0;
}
.ide-grid li {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 20px; font-weight: 600; text-align: center; color: var(--text-dim);
  transition: color .15s ease, border-color .15s ease;
}
.ide-grid li:hover { color: var(--text); border-color: var(--accent); }

/* reviews */
.review-stars { color: var(--gold); letter-spacing: 2px; font-size: .95rem; }
.review-meta { margin-top: 14px; font-size: .8rem; color: var(--text-dim); }
.review-meta strong { color: var(--text); font-weight: 600; }

/* feedback */
.feedback {
  max-width: 560px; display: flex; flex-direction: column; gap: 12px;
}
.feedback input, .feedback textarea, .feedback select {
  background: var(--bg-raise); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); padding: 12px 14px; font: inherit; font-size: .92rem;
}
.feedback input:focus, .feedback textarea:focus, .feedback select:focus {
  outline: none; border-color: var(--accent-soft); box-shadow: 0 0 0 3px rgba(124, 92, 240, .25);
}
.feedback-row { display: flex; gap: 12px; }
.feedback-row input { flex: 1; min-width: 0; }
.feedback-row select { flex: 1; }
.review-form { margin-top: 28px; }
.btn[type=submit] { align-self: flex-start; }
.btn:disabled { opacity: .55; cursor: wait; }
.fine { font-size: .8rem; color: var(--text-dim); }

/* toast — submit feedback, aria-live region in markup */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px);
  background: var(--bg-raise); border: 1px solid var(--accent-soft); border-radius: 12px;
  color: var(--text); padding: 12px 22px; font-size: .9rem; font-weight: 600;
  box-shadow: 0 12px 40px rgba(0,0,0,.5); opacity: 0; pointer-events: none;
  transition: opacity .2s ease, transform .2s ease; z-index: 200; max-width: 90vw;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { border-color: #e5484d; }

/* download */
.download-grid { grid-template-columns: repeat(3, 1fr); }
.dl h3 { margin-top: 0; }
.dl-desc { min-height: 3.4em; }
.dl-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.card .coming { font-size: .75rem; color: var(--text-dim); border: 1px dashed var(--border); padding: 7px 14px; border-radius: 999px; }
.center { text-align: center; margin-top: 28px; }
.center a { color: var(--accent-soft); }

/* footer */
.footer { border-top: 1px solid var(--border); margin-top: 80px; }
.footer-inner {
  max-width: var(--max); margin: 0 auto; padding: 36px 24px;
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  font-size: .9rem; color: var(--text-dim);
}
.footer nav { display: flex; gap: 20px; }
.footer a { color: var(--text-dim); text-decoration: none; }
.footer a:hover { color: var(--text); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .hero-mock { order: 2; }
  .cards, .download-grid { grid-template-columns: repeat(2, 1fr); }
  .chains-flow { grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); justify-self: center; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .ide-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .nav-links { display: none; }
  .cards, .download-grid, .ide-grid { grid-template-columns: 1fr; }
  .feedback-row { flex-direction: column; }
}