:root {
  --bg: #0c0305;
  --bg2: #14060a;
  --card: #1c080d;
  --card2: #250b12;
  --line: rgba(255, 70, 95, 0.18);
  --line2: rgba(255, 90, 110, 0.34);
  --red: #c8102e;
  --red2: #e3203f;
  --text: #f7eaec;
  --muted: #c49aa2;
  --ok: #4ade80;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(200, 16, 46, 0.22), transparent 60%), var(--bg);
  color: var(--text);
  font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px); background: rgba(12, 3, 5, 0.75); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: none; letter-spacing: -0.01em; }
.brand img { width: 32px; height: 32px; border-radius: 9px; }
.brand span { color: var(--red2); }
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a { text-decoration: none; padding: 8px 12px; border-radius: 10px; color: var(--muted); font-size: 14px; font-weight: 600; }
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--card); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 12px; font-weight: 700; font-size: 15px; text-decoration: none; border: 1px solid var(--line2); background: var(--card); color: var(--text); cursor: pointer; transition: transform 0.15s, background 0.15s; }
.btn:hover { transform: translateY(-1px); background: var(--card2); }
.btn.primary { background: linear-gradient(135deg, var(--red2), var(--red)); border-color: transparent; box-shadow: 0 10px 30px -10px rgba(227, 32, 63, 0.7); }
.btn.small { padding: 8px 12px; font-size: 13px; border-radius: 10px; }

/* hero */
.hero { padding-top: 72px; padding-bottom: 40px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; font-size: 13px; font-weight: 700; color: var(--muted); border: 1px solid var(--line2); padding: 6px 12px; border-radius: 999px; }
.eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); }
h1 { font-size: clamp(36px, 5.2vw, 60px); line-height: 1.05; letter-spacing: -0.035em; margin: 18px 0 16px; }
h1 em { font-style: normal; background: linear-gradient(90deg, #ff5a6e, var(--red2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 19px; color: var(--muted); max-width: 560px; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.note { font-size: 13px; color: var(--muted); margin-top: 14px; }

/* panel mock */
.mock { background: linear-gradient(180deg, var(--card2), var(--card)); border: 1px solid var(--line2); border-radius: 22px; padding: 16px; box-shadow: 0 30px 80px -30px rgba(200, 16, 46, 0.55); }
.mock-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.mock-head img { width: 34px; height: 34px; border-radius: 10px; }
.mock-head b { font-size: 15px; }
.mock-head small { display: block; color: var(--muted); font-size: 12px; }
.mock-row { display: flex; gap: 10px; align-items: flex-start; padding: 10px; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 8px; background: rgba(0, 0, 0, 0.2); font-size: 13px; }
.mock-row .n { width: 22px; height: 22px; border-radius: 7px; background: var(--card2); display: grid; place-items: center; font-weight: 800; font-size: 11px; flex-shrink: 0; }
.mock-row.done .n { background: rgba(74, 222, 128, 0.18); color: var(--ok); }
.mock-row.run .n { background: var(--red); }
.tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.tag { font-size: 10.5px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--line2); color: var(--muted); }
.bar { height: 6px; border-radius: 6px; background: rgba(255, 255, 255, 0.07); overflow: hidden; margin: 10px 0 6px; }
.bar i { display: block; height: 100%; width: 62%; background: linear-gradient(90deg, var(--red2), #ff8a6e); }
.mock-foot { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }

/* sections */
section { padding: 56px 0; }
h2 { font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -0.03em; margin: 0 0 10px; }
.sub { color: var(--muted); margin: 0 0 32px; max-width: 640px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 10px 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }
.ico { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: rgba(227, 32, 63, 0.15); font-size: 20px; }
.problem { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.problem .card ol { margin: 8px 0 0; padding-left: 20px; color: var(--muted); font-size: 14.5px; }
.problem .card.after { border-color: var(--line2); background: linear-gradient(180deg, var(--card2), var(--card)); }
.big { font-size: 34px; font-weight: 800; letter-spacing: -0.03em; }
.steps { counter-reset: s; display: grid; gap: 12px; }
.steps li { list-style: none; counter-increment: s; position: relative; padding: 16px 16px 16px 58px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; }
.steps li::before { content: counter(s); position: absolute; left: 16px; top: 14px; width: 28px; height: 28px; border-radius: 9px; background: var(--red); display: grid; place-items: center; font-weight: 800; font-size: 14px; }
.steps code, .card code, p code { background: rgba(255, 255, 255, 0.07); padding: 1px 6px; border-radius: 6px; font-size: 0.9em; }
.callout { border: 1px dashed var(--line2); border-radius: var(--radius); padding: 18px 20px; color: var(--muted); font-size: 14.5px; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

/* planner */
.planner-head { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: end; padding: 40px 0 20px; }
.planner-head h1 { font-size: clamp(30px, 4vw, 44px); margin: 0 0 6px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; }
.field { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg2); border: 1px solid var(--line2); border-radius: 10px; padding: 9px 11px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--red2); outline-offset: 1px; border-color: transparent; }
.settings-row { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.scenes { display: grid; gap: 10px; }
.scene { display: grid; grid-template-columns: 34px 92px 1fr 130px 130px 40px; gap: 8px; align-items: start; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px; }
.scene .num { font-weight: 800; color: var(--muted); padding-top: 9px; text-align: center; }
.scene textarea { min-height: 42px; resize: vertical; }
.scene .del { background: transparent; border: 1px solid var(--line); color: var(--muted); border-radius: 10px; height: 40px; cursor: pointer; }
.scene .del:hover { color: #ff6b6b; border-color: #ff6b6b; }
.scene-labels { display: grid; grid-template-columns: 34px 92px 1fr 130px 130px 40px; gap: 8px; font-size: 12px; color: var(--muted); font-weight: 700; padding: 0 10px; text-transform: uppercase; letter-spacing: 0.05em; }
.preview { white-space: pre-wrap; font: 13px/1.5 ui-monospace, Consolas, monospace; background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 14px; max-height: 360px; overflow: auto; color: #f0cfd5; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--card2); border: 1px solid var(--line2); padding: 10px 16px; border-radius: 12px; font-size: 14px; opacity: 0; transition: opacity 0.2s; pointer-events: none; }
.toast.show { opacity: 1; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 44px; }
  .grid { grid-template-columns: 1fr 1fr; }
  .problem, .two { grid-template-columns: 1fr; }
  .settings-row { grid-template-columns: 1fr; }
  .scene-labels { display: none; }
  .scene { grid-template-columns: 34px 1fr 1fr 40px; }
  .scene .num { grid-column: 1; grid-row: 1; }
  .scene .tagcell { grid-column: 2 / 4; grid-row: 1; }
  .scene .del { grid-column: 4; grid-row: 1; }
  .scene .promptcell { grid-column: 1 / 5; grid-row: 2; }
  .scene .charcell { grid-column: 1 / 3; grid-row: 3; }
  .scene .voicecell { grid-column: 3 / 5; grid-row: 3; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .nav-links a.hide-sm { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }