:root {
  --bg: #0b0d12; --panel: #141824; --panel2: #1b2130; --text: #eef1f7;
  --dim: #9aa3b5; --accent: #4f7cff; --accent2: #7aa0ff; --ok: #34c77b;
  --bad: #e5534b; --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent2); text-decoration: none; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 18px clamp(20px, 6vw, 64px); }
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.nav .links a { margin-left: 22px; color: var(--dim); font-size: 15px; }
.nav .links a.cta { color: #fff; background: var(--accent); padding: 8px 16px; border-radius: 999px; }
main.narrow { max-width: 640px; margin: 48px auto; padding: 0 20px; }
.hero { text-align: center; padding: clamp(40px, 8vw, 90px) 20px 30px; max-width: 860px; margin: 0 auto; }
.hero h1 { font-size: clamp(32px, 5.4vw, 56px); line-height: 1.12; letter-spacing: -0.02em; }
.hero h1 em { font-style: normal; color: var(--accent2); }
.lede { color: var(--dim); font-size: clamp(16px, 2vw, 19px); margin-top: 16px; }
.hero .btn { margin-top: 28px; }
.btn { display: inline-block; background: var(--panel2); color: var(--text); border: 1px solid #2a3247; padding: 12px 22px; border-radius: 999px; font-size: 15px; font-weight: 600; cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.small { padding: 8px 16px; font-size: 14px; }
section { padding: clamp(30px, 5vw, 60px) clamp(20px, 6vw, 64px); max-width: 1120px; margin: 0 auto; }
h2.section { font-size: clamp(24px, 3.4vw, 34px); text-align: center; margin-bottom: 8px; letter-spacing: -0.01em; }
p.section-sub { text-align: center; color: var(--dim); margin-bottom: 40px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.feature { background: var(--panel); border: 1px solid #202741; border-radius: var(--radius); padding: 26px; }
.feature .icon { font-size: 26px; }
.feature h3 { margin: 10px 0 6px; font-size: 18px; }
.feature p { color: var(--dim); font-size: 15px; }
.toggle { display: flex; justify-content: center; gap: 0; margin-bottom: 30px; }
.toggle button { background: var(--panel); color: var(--dim); border: 1px solid #2a3247; padding: 9px 22px; font-size: 14px; font-weight: 600; cursor: pointer; }
.toggle button:first-child { border-radius: 999px 0 0 999px; }
.toggle button:last-child { border-radius: 0 999px 999px 0; }
.toggle button.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; align-items: stretch; }
.plan { background: var(--panel); border: 1px solid #202741; border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.plan.hot { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); position: relative; }
.plan.hot::before { content: "Most popular"; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 999px; }
.plan h3 { font-size: 20px; }
.plan .price { font-size: 40px; font-weight: 800; margin: 10px 0 2px; }
.plan .price span { font-size: 15px; font-weight: 500; color: var(--dim); }
.plan .annual-note { color: var(--dim); font-size: 13px; min-height: 20px; }
.plan ul { list-style: none; margin: 18px 0 24px; flex: 1; }
.plan li { padding: 5px 0 5px 26px; position: relative; color: var(--dim); font-size: 15px; }
.plan li.yes { color: var(--text); }
.plan li.yes::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.plan li.no::before { content: "—"; position: absolute; left: 0; color: #3a4257; }
.keybox { font: 700 22px/1.4 ui-monospace, "SF Mono", Menlo, monospace; background: var(--panel); border: 1px dashed var(--accent); border-radius: var(--radius); padding: 20px; text-align: center; letter-spacing: 1px; margin: 24px 0 12px; user-select: all; }
.steps { margin: 26px 0 18px 20px; color: var(--dim); }
.steps li { margin: 8px 0; }
.steps strong { color: var(--text); }
.dim { color: var(--dim); font-size: 14px; margin-top: 14px; }
.error { color: var(--bad); margin: 12px 0; }
.keyform { display: flex; gap: 10px; margin-top: 22px; }
.keyform input { flex: 1; background: var(--panel); border: 1px solid #2a3247; border-radius: 10px; color: var(--text); padding: 12px 14px; font: 15px ui-monospace, Menlo, monospace; letter-spacing: 1px; }
.panel { background: var(--panel); border: 1px solid #202741; border-radius: var(--radius); padding: 22px; margin: 22px 0; }
.badge { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; vertical-align: middle; margin-left: 8px; }
.badge.ok { background: rgba(52,199,123,.15); color: var(--ok); }
.badge.bad { background: rgba(229,83,75,.15); color: var(--bad); }
.meter { margin: 14px 0; }
.meter-head { display: flex; justify-content: space-between; font-size: 14px; color: var(--dim); margin-bottom: 5px; }
.meter-bar { background: #232b3f; height: 8px; border-radius: 99px; overflow: hidden; }
.meter-fill { background: var(--accent); height: 100%; border-radius: 99px; }
.meter-fill.hot { background: var(--bad); }
code { background: var(--panel2); padding: 2px 7px; border-radius: 6px; font-size: 14px; }
footer { text-align: center; color: #556; padding: 40px 20px 60px; font-size: 14px; }
.faq { max-width: 760px; margin: 0 auto; }
.faq details { background: var(--panel); border: 1px solid #202741; border-radius: 12px; padding: 16px 20px; margin: 10px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { color: var(--dim); margin-top: 10px; font-size: 15px; }