/* ==========================================================================
   BlastTrace — Website v2
   Direction: Light editorial "engineering paper" — ink, paper, signal red/green
   ========================================================================== */

:root {
  --paper: #FAF9F6;
  --paper-2: #F2F0EA;
  --card: #FFFFFF;
  --ink: #111111;
  --ink-2: #3A3A3A;
  --mute: #6B6B6B;
  --line: #E4E1D8;
  --line-2: #D6D2C6;

  --red: #E5484D;
  --red-bg: #FDECEC;
  --green: #2F9E6B;
  --green-bg: #E7F6EE;
  --amber: #C98A12;
  --amber-bg: #FBF2DC;
  --blue: #2457F5;

  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --r-sm: 8px;
  --r: 12px;
  --r-lg: 18px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
code { font-family: var(--mono); font-size: .88em; background: var(--paper-2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 5px; }
pre { font-family: var(--mono); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }
.w { width: 100%; }

h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; line-height: 1.05; }
h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
h1 em, h2 em { font-style: italic; color: var(--red); }
h2 { font-size: clamp(2.1rem, 4vw, 3.3rem); margin-bottom: 18px; }
h3 { font-size: 1.15rem; font-weight: 600; }

.eyebrow {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 14px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 999px;
  font-weight: 600; font-size: .9rem; text-decoration: none;
  border: 1px solid transparent; cursor: pointer; transition: .15s ease;
  font-family: var(--sans); white-space: nowrap;
}
.btn-sm { padding: 7px 14px; font-size: .82rem; }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: #2a2a2a; transform: translateY(-1px); }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: #d63a3f; transform: translateY(-1px); }
.btn-ghost { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { background: var(--paper-2); }

/* Announcement */
.announce {
  background: var(--ink); color: #eaeaea;
  font-size: .82rem; text-align: center; padding: 9px 16px;
  display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
}
.announce a { color: #fff; font-weight: 600; text-decoration: none; }
.announce-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(47,158,107,.3); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(250,249,246,.88); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; font-size: 1.12rem; letter-spacing: -.01em; }
.logo b { color: var(--red); font-weight: 700; }
.logo-mark { width: 28px; height: 28px; color: var(--ink); }
.nav-links { display: flex; gap: 24px; }
.nav-links a { text-decoration: none; font-size: .9rem; color: var(--ink-2); }
.nav-links a:hover { color: var(--red); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.burger { display: none; background: none; border: 1px solid var(--line-2); border-radius: 8px; width: 38px; height: 38px; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.burger span { width: 16px; height: 1.5px; background: var(--ink); }
.mobile-menu { display: none; padding: 12px 24px 20px; border-top: 1px solid var(--line); }
.mobile-menu.open { display: grid; gap: 10px; }
.mobile-menu a { text-decoration: none; color: var(--ink-2); }

/* Hero */
.hero { padding: 72px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.lede { font-size: 1.12rem; color: var(--ink-2); margin: 24px 0 28px; max-width: 560px; }
.hl { background: linear-gradient(transparent 60%, #FFE2D6 60%); font-weight: 500; }

.install {
  display: inline-flex; align-items: center; gap: 14px;
  background: var(--card); border: 1px solid var(--line-2); border-radius: 999px;
  padding: 8px 8px 8px 20px; box-shadow: 0 1px 0 rgba(0,0,0,.03);
}
.install code { background: none; border: 0; padding: 0; font-size: .95rem; }
.prompt { color: var(--red); margin-right: 6px; }
.copy { background: var(--ink); color: #fff; border: 0; border-radius: 999px; padding: 8px 16px; font-weight: 600; font-size: .8rem; cursor: pointer; font-family: var(--sans); }
.copy.done { background: var(--green); }
.install.dark { background: #1b1b1b; border-color: #333; }
.install.dark code { color: #f2f2f2; }
.install.dark .copy { background: var(--red); }

.hero-proof { list-style: none; display: flex; gap: 28px; margin-top: 28px; color: var(--mute); font-size: .9rem; flex-wrap: wrap; }
.hero-proof b { color: var(--ink); font-family: var(--serif); font-size: 1.6rem; font-weight: 400; margin-right: 4px; }

/* Agent Replay */
.replay {
  background: var(--card); border: 1px solid var(--line-2); border-radius: var(--r-lg);
  box-shadow: 0 30px 60px -30px rgba(17,17,17,.25), 0 2px 0 rgba(0,0,0,.02);
  overflow: hidden; display: flex; flex-direction: column; min-height: 470px;
}
.replay-head { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--paper); }
.replay-dots { display: flex; gap: 6px; }
.replay-dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.replay-title { font-family: var(--mono); font-size: .76rem; color: var(--mute); flex: 1; }
.gate { font-family: var(--mono); font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: var(--paper-2); color: var(--mute); border: 1px solid var(--line); transition: .2s; }
.gate.trace { background: var(--amber-bg); color: var(--amber); border-color: #EBD49B; }
.gate.block { background: var(--red-bg); color: var(--red); border-color: #F5B8BA; }
.gate.pass { background: var(--green-bg); color: var(--green); border-color: #A9DCC2; }

.replay-body { flex: 1; padding: 18px; overflow-y: auto; max-height: 360px; background: linear-gradient(var(--card), var(--card)); }
.chat { display: flex; flex-direction: column; gap: 12px; }
.msg { border-radius: var(--r); padding: 12px 14px; font-size: .88rem; animation: rise .35s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.msg .who { font-family: var(--mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--mute); margin-bottom: 6px; display: block; }
.msg.agent { background: var(--paper); border: 1px solid var(--line); }
.msg.cb { background: #fff; border: 1px solid var(--line-2); border-left: 3px solid var(--ink); }
.msg.cb.block { border-left-color: var(--red); }
.msg.cb.pass { border-left-color: var(--green); }
.msg pre { background: #16161a; color: #e9e9ee; padding: 12px; border-radius: var(--r-sm); font-size: .76rem; overflow-x: auto; margin-top: 8px; line-height: 1.5; }
.msg pre .del { color: #ff8a8e; }
.msg pre .add { color: #7fe0ae; }
.msg pre .cm { color: #8b8b95; }
.chain { list-style: none; margin-top: 8px; display: grid; gap: 4px; }
.chain li { font-family: var(--mono); font-size: .74rem; padding: 5px 8px; border-radius: 6px; background: var(--red-bg); color: #8f2226; }
.chain li::before { content: "↳ "; opacity: .6; }
.chain.ok li { background: var(--green-bg); color: #1d6b47; }

.replay-foot { border-top: 1px solid var(--line); padding: 12px 14px; display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; background: var(--paper); }
.steps { display: flex; gap: 4px; flex-wrap: wrap; }
.step { font-family: var(--mono); font-size: .7rem; border: 1px solid var(--line); background: #fff; color: var(--mute); padding: 5px 9px; border-radius: 999px; cursor: pointer; }
.step.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.step.done { color: var(--ink); border-color: var(--line-2); }
.replay-ctrl { display: flex; gap: 8px; }

/* Logos */
.logos { margin-top: 56px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 22px; }
.logos span { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.logos ul { list-style: none; display: flex; gap: 22px; flex-wrap: wrap; }
.logos li { font-weight: 600; color: var(--ink-2); font-size: .95rem; opacity: .75; }

/* Story */
.story { padding: 96px 0; background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.timeline { list-style: none; border-left: 1px solid var(--line-2); padding-left: 24px; display: grid; gap: 20px; }
.timeline li { position: relative; }
.timeline li::before { content: ""; position: absolute; left: -29px; top: 7px; width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); }
.timeline li.bad::before { background: var(--red); }
.timeline li.good::before { background: var(--green); }
.timeline time { font-family: var(--mono); font-size: .76rem; color: var(--mute); }
.timeline li.bad p { color: var(--red); font-weight: 500; }
.timeline li.good time { color: var(--green); font-weight: 700; }

/* How */
.how { padding: 100px 0; }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.how-grid article { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; display: flex; flex-direction: column; gap: 12px; }
.num { font-family: var(--serif); font-size: 2.6rem; color: var(--red); line-height: 1; }
.how-grid p { color: var(--ink-2); font-size: .94rem; flex: 1; }
.how-grid pre { background: var(--paper-2); border: 1px solid var(--line); padding: 10px 12px; border-radius: var(--r-sm); font-size: .78rem; overflow-x: auto; }
.tag { font-family: var(--mono); font-size: .7rem; font-weight: 700; padding: 1px 7px; border-radius: 999px; }
.tag.pass { background: var(--green-bg); color: var(--green); }
.tag.warn { background: var(--amber-bg); color: var(--amber); }
.tag.block { background: var(--red-bg); color: var(--red); }

/* Rings */
.rings-sec { padding: 100px 0; background: var(--ink); color: #f1f1f1; }
.rings-sec .eyebrow { color: #9a9a9a; }
.rings-sec code { background: #222; border-color: #333; color: #f1f1f1; }
.rings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.rings-copy > p { color: #bdbdbd; margin-bottom: 24px; }
.ring-picker { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.ring-picker button { background: transparent; color: #ddd; border: 1px solid #3a3a3a; padding: 8px 14px; border-radius: 999px; cursor: pointer; font-size: .86rem; font-family: var(--sans); }
.ring-picker button.active { background: #fff; color: var(--ink); border-color: #fff; }
.ring-picker button.active code { background: var(--paper-2); color: var(--ink); border-color: var(--line); }
.ring-verdict { font-family: var(--mono); font-size: .82rem; margin-bottom: 14px; }
.ring-verdict b { padding: 3px 10px; border-radius: 999px; margin-right: 8px; }
.ring-verdict b.block { background: var(--red); color: #fff; }
.ring-verdict b.pass { background: var(--green); color: #fff; }
.ring-chain { list-style: none; display: grid; gap: 6px; }
.ring-chain li { font-family: var(--mono); font-size: .78rem; color: #cfcfcf; padding: 7px 10px; border: 1px solid #2c2c2c; border-radius: 8px; }
.ring-chain li b { color: #fff; }
.rings-vis svg { width: 100%; max-width: 460px; display: block; margin: 0 auto; }
.ring { fill: none; stroke-width: 26; transition: stroke .35s ease, opacity .35s ease; }
.ring-label { font-family: var(--mono); font-size: 10px; fill: #9a9a9a; letter-spacing: .08em; }
.ring-label.hit { fill: #fff; }

/* Stacks */
.stacks { padding: 100px 0; }
.stack-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 44px; }
.stack-col { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; }
.stack-col h4 { font-size: .95rem; margin-bottom: 12px; display: flex; gap: 8px; align-items: center; }
.stack-col h4 span { font-family: var(--mono); font-size: .7rem; width: 22px; height: 22px; display: inline-grid; place-items: center; border-radius: 50%; background: var(--ink); color: #fff; }
.stack-col ul { list-style: none; display: grid; gap: 7px; }
.stack-col li { font-size: .84rem; color: var(--ink-2); padding-left: 14px; position: relative; }
.stack-col li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--red); }

/* Tools */
.tools { padding: 100px 0; background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tool-table { margin-top: 40px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.tr { display: grid; grid-template-columns: 1.2fr 2fr 80px; gap: 16px; padding: 14px 22px; border-bottom: 1px solid var(--line); align-items: center; font-size: .9rem; }
.tr:last-child { border-bottom: 0; }
.tr.th { background: var(--paper); font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--mute); }
.tr code { background: none; border: 0; padding: 0; font-weight: 500; word-break: break-word; }
.tr span { color: var(--ink-2); }
.tr em { font-style: normal; font-family: var(--mono); font-size: .72rem; font-weight: 700; text-align: center; padding: 3px 0; border-radius: 999px; background: var(--ink); color: #fff; }
.tr em.free { background: var(--paper-2); color: var(--ink); border: 1px solid var(--line-2); }
.tr.hot { background: #FFF7F4; }
.cli-strip { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 22px; }
.cli-strip code { background: var(--card); padding: 7px 12px; }

/* Compare */
.compare { padding: 100px 0; }
.cmp { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.cmp-col { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; }
.cmp-col.us { border: 2px solid var(--ink); }
.cmp-col h4 { font-size: 1rem; margin-bottom: 16px; }
.cmp-col ul { list-style: none; display: grid; gap: 10px; }
.cmp-col li { padding-left: 26px; position: relative; font-size: .92rem; color: var(--ink-2); }
.cmp-col li::before { position: absolute; left: 0; top: 0; font-weight: 700; }
.cmp-col li.y::before { content: "✓"; color: var(--green); }
.cmp-col li.n::before { content: "✕"; color: var(--red); }
.cmp-col li.n { color: var(--mute); }
.cmp-col small { color: var(--mute); }

/* Pricing */
.pricing { padding: 100px 0; background: var(--paper-2); border-top: 1px solid var(--line); }
.bill { display: flex; justify-content: center; gap: 4px; margin: 10px auto 40px; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 4px; width: fit-content; }
.bill-opt { border: 0; background: transparent; padding: 8px 18px; border-radius: 999px; font-weight: 600; font-size: .88rem; cursor: pointer; color: var(--mute); font-family: var(--sans); }
.bill-opt span { font-size: .72rem; color: var(--green); margin-left: 4px; }
.bill-opt.active { background: var(--ink); color: #fff; }
.bill-opt.active span { color: #9fe4c2; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px 26px; display: flex; flex-direction: column; position: relative; }
.plan.featured { border: 2px solid var(--red); box-shadow: 0 24px 50px -28px rgba(229,72,77,.45); }
.ribbon { position: absolute; top: -12px; left: 26px; background: var(--red); color: #fff; font-family: var(--mono); font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; }
.who { color: var(--mute); font-size: .86rem; margin: 6px 0 18px; min-height: 42px; }
.price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 20px; }
.price b { font-family: var(--serif); font-weight: 400; font-size: 3.2rem; line-height: 1; }
.price span { color: var(--mute); font-size: .88rem; }
.plan ul { list-style: none; display: grid; gap: 9px; margin-bottom: 26px; flex: 1; }
.plan li { font-size: .9rem; color: var(--ink-2); padding-left: 22px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.setup { margin-top: 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.setup > div { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px; }
.setup h4 { font-size: .95rem; margin-bottom: 10px; }
.setup pre { background: #16161a; color: #e9e9ee; padding: 14px; border-radius: var(--r-sm); font-size: .78rem; overflow-x: auto; }

/* FAQ */
.faq { padding: 100px 0; }
.faq-wrap { display: grid; grid-template-columns: 1fr 2fr; gap: 56px; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq-list summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; }
.faq-list summary::after { content: "+"; font-family: var(--mono); color: var(--mute); }
.faq-list details[open] summary::after { content: "–"; }
.faq-list p { color: var(--ink-2); margin-top: 10px; font-size: .94rem; }

/* Final CTA */
.final { padding: 90px 0; background: var(--ink); color: #fff; text-align: center; }
.final h2 { margin-bottom: 26px; }

/* Footer */
.foot { padding: 56px 0 28px; border-top: 1px solid var(--line); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.foot p { color: var(--mute); font-size: .88rem; margin-top: 10px; }
.foot h6 { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); margin-bottom: 12px; }
.foot-grid a:not(.logo) { display: block; text-decoration: none; color: var(--ink-2); font-size: .9rem; margin-bottom: 7px; }
.foot-grid a:hover { color: var(--red); }
.foot-bottom { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); font-size: .8rem; color: var(--mute); }


/* Security & Air-Gapped Trust */
.security-trust { padding: 80px 0; border-top: 1px solid var(--line); background: var(--paper-2); }
.sec-card { background: var(--card); border: 1px solid var(--line-2); border-radius: var(--r-lg); padding: 48px; box-shadow: 0 10px 30px rgba(0,0,0,.04); }
.sec-badge { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--green); background: rgba(47,158,107,.1); padding: 6px 14px; border-radius: 999px; margin-bottom: 20px; font-weight: 600; }
.sec-badge svg { color: var(--green); }
.sec-lede { font-size: 1.15rem; color: var(--ink-2); max-width: 780px; margin-bottom: 36px; line-height: 1.6; }
.sec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.sec-item { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-md); padding: 24px; }
.sec-item h4 { font-size: 1.02rem; font-weight: 600; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.sec-item p { font-size: .9rem; color: var(--mute); line-height: 1.55; }

@media (max-width: 760px) {
  .sec-grid { grid-template-columns: 1fr; }
  .sec-card { padding: 28px 20px; }
}

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(17,17,17,.45); display: none; place-items: center; padding: 20px; z-index: 100; }
.modal.open { display: grid; }
.modal-card { background: var(--card); border-radius: var(--r-lg); max-width: 620px; width: 100%; padding: 30px; position: relative; max-height: 80vh; overflow-y: auto; }
.modal-card h3 { font-family: var(--serif); font-weight: 400; font-size: 1.8rem; margin-bottom: 14px; }
.modal-card p { color: var(--ink-2); margin-bottom: 10px; font-size: .94rem; }
.modal-x { position: absolute; top: 14px; right: 16px; border: 0; background: none; font-size: 1.6rem; cursor: pointer; color: var(--mute); }

/* Responsive */
@media (max-width: 1080px) {
  .nav-links, .nav-cta .btn { display: none; }
  .burger { display: flex; }
  .hero-grid, .story-grid, .rings-grid, .faq-wrap { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .how-grid, .cmp, .plans, .setup, .foot-grid { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: 1fr; }
  .tr { grid-template-columns: 1fr; gap: 4px; }
  .tr.th { display: none; }
  .tr em { width: 60px; }
}