/* =========================================================
   Magnitude Engine — site styles
   Dark, enterprise-developer aesthetic with a signal accent.
   ========================================================= */

:root {
  --bg:            #0a0807;
  --bg-soft:       #100c09;
  --panel:         #17110d;
  --panel-2:       #1f1812;
  --border:        #2c2018;
  --border-soft:   #1d1611;
  --text:          #f4ede4;
  --text-dim:      #b6a89a;
  --text-faint:    #837567;
  --accent:        #ff7a18;
  --accent-2:      #ff3d2e;
  --accent-3:      #ffb43a;
  --good:          #2fd07d;
  --warn:          #ffc24d;
  --radius:        14px;
  --radius-sm:     10px;
  --maxw:          1140px;
  --shadow:        0 24px 60px -28px rgba(0,0,0,.85);
  --grad:          linear-gradient(120deg, var(--accent-3) -10%, var(--accent) 45%, var(--accent-2) 115%);
  --accent-soft:   rgba(255,122,24,.13);
  --accent-line:   rgba(255,122,24,.26);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { line-height: 1.15; margin: 0; letter-spacing: -0.02em; font-weight: 650; }

p { margin: 0; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.accent-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- background glow ---------- */
.glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(680px 420px at 75% -8%, rgba(255,61,46,.16), transparent 60%),
    radial-gradient(560px 380px at 12% 4%, rgba(255,122,24,.18), transparent 60%),
    radial-gradient(700px 520px at 50% 110%, rgba(255,180,58,.08), transparent 60%);
}

main, header, footer { position: relative; z-index: 1; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(14px);
  background: rgba(7,9,13,.72);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: -.02em; }
.brand .logo { width: 26px; height: 26px; flex: none; }
.brand small { color: var(--text-faint); font-weight: 500; letter-spacing: .04em; text-transform: uppercase; font-size: 11px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text-dim); font-size: 14.5px; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 550;
  cursor: pointer;
  transition: border-color .15s, transform .12s, background .15s;
  white-space: nowrap;
}
.btn:hover { border-color: #2c3343; transform: translateY(-1px); }
.btn-primary {
  border: none;
  background: var(--grad);
  color: #1a0f05;
  font-weight: 650;
  box-shadow: 0 10px 30px -12px rgba(255,122,24,.6);
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { background: transparent; }
.btn-lg { padding: 14px 22px; font-size: 15.5px; }

.nav-toggle { display: none; background: none; border: none; color: var(--text); cursor: pointer; }

/* ---------- hero ---------- */
.hero { padding: 86px 0 64px; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 26px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 12px var(--accent-3); }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); font-weight: 680; max-width: 17ch; margin: 0 auto; }
.hero .sub {
  margin: 24px auto 0;
  max-width: 60ch;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-dim);
}
.hero-actions { display: flex; gap: 14px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: 13px; color: var(--text-faint); }

/* ---------- model marquee ---------- */
.models { margin-top: 64px; }
.models .label { text-align: center; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 20px; }
.model-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.model-chip {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 14px;
  color: var(--text-dim);
}
.model-chip b { color: var(--text); font-weight: 600; }

/* ---------- code window ---------- */
.codeshow { margin-top: 70px; }
.window {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #14100c, #0d0a08);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.window-bar { display: flex; align-items: center; gap: 8px; padding: 13px 16px; border-bottom: 1px solid var(--border-soft); }
.window-bar i { width: 11px; height: 11px; border-radius: 50%; background: #2a3142; display: inline-block; }
.window-bar i:nth-child(1){ background:#ff5f57; } .window-bar i:nth-child(2){ background:#febc2e; } .window-bar i:nth-child(3){ background:#28c840; }
.window-bar .tab { margin-left: 14px; font-size: 12.5px; color: var(--text-faint); font-family: var(--mono); }
.window-tabs { display: flex; gap: 4px; margin-left: auto; }
.window-tabs button {
  background: transparent; border: 1px solid transparent; color: var(--text-faint);
  font-size: 12.5px; font-family: var(--mono); padding: 5px 12px; border-radius: 8px; cursor: pointer;
}
.window-tabs button.active { color: var(--text); background: var(--panel-2); border-color: var(--border); }
pre {
  margin: 0; padding: 22px 24px; overflow-x: auto;
  font-family: var(--mono); font-size: 13.5px; line-height: 1.7; color: #d8ccbd;
}
pre code { white-space: pre; }
.tok-key { color: #ff8a5b; } .tok-str { color: #a6cf6e; } .tok-com { color: #7a6f5f; font-style: italic; }
.tok-fn { color: #ffd479; } .tok-num { color: #f0a35e; } .tok-attr { color: #ffb86c; }
.codeblock { display: none; } .codeblock.active { display: block; }

/* ---------- sections ---------- */
section { padding: 92px 0; }
.section-head { max-width: 62ch; margin: 0 auto 56px; text-align: center; }
.section-head .kicker { font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-top: 14px; }
.section-head p { margin-top: 18px; color: var(--text-dim); font-size: 1.08rem; }

/* problem grid */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color .18s, transform .18s, background .18s;
}
.card:hover { border-color: #2b3344; transform: translateY(-3px); background: var(--panel-2); }
.card .ico {
  width: 42px; height: 42px; border-radius: 11px;
  display: grid; place-items: center; margin-bottom: 18px;
  background: var(--accent-soft); border: 1px solid var(--accent-line);
}
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: .98rem; }

/* step / how it works */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.step { border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); padding: 28px; position: relative; }
.step .num { font-family: var(--mono); font-size: 13px; color: var(--accent); border: 1px solid var(--border); border-radius: 8px; padding: 3px 9px; }
.step h3 { margin: 18px 0 10px; font-size: 1.2rem; }
.step p { color: var(--text-dim); font-size: .97rem; }

/* feature split */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.split.flip .split-media { order: -1; }
.feature-list { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 18px; }
.feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.feature-list .chk { flex: none; width: 22px; height: 22px; border-radius: 7px; background: rgba(47,208,125,.14); border: 1px solid rgba(47,208,125,.3); display: grid; place-items: center; margin-top: 3px; }
.feature-list b { display: block; color: var(--text); font-weight: 600; }
.feature-list span { color: var(--text-dim); font-size: .97rem; }

/* compliance badges */
.badges { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.badge {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--border); background: var(--bg-soft);
  border-radius: 10px; padding: 11px 16px; font-size: 14px; color: var(--text);
}
.badge .b-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); }

/* trajectory viz */
.traj { border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); padding: 22px; font-family: var(--mono); font-size: 13px; }
.traj-row { display: flex; align-items: center; gap: 14px; padding: 12px 6px; border-bottom: 1px dashed var(--border); }
.traj-row:last-child { border-bottom: none; }
.traj-row .pill { font-size: 11px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-dim); }
.traj-row .pill.ok { color: var(--good); border-color: rgba(47,208,125,.4); background: rgba(47,208,125,.08); }
.traj-row .pill.run { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.traj-row .pill.esc { color: var(--warn); border-color: rgba(244,183,64,.4); background: rgba(244,183,64,.08); }
.traj-row .meta { margin-left: auto; color: var(--text-faint); }
.traj-row .name { color: var(--text); }

/* verticals */
.verticals { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.vert { border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; background: var(--panel); }
.vert .tag { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-3); }
.vert h3 { margin: 12px 0 8px; font-size: 1.1rem; }
.vert p { color: var(--text-dim); font-size: .94rem; }

/* differentiator table */
.cmp { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.cmp th, .cmp td { text-align: left; padding: 16px 20px; border-bottom: 1px solid var(--border-soft); font-size: .96rem; vertical-align: top; }
.cmp thead th { background: var(--panel-2); font-size: 13px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-faint); font-weight: 600; }
.cmp tbody tr:last-child td { border-bottom: none; }
.cmp td:first-child { color: var(--text); font-weight: 600; width: 26%; }
.cmp .yes { color: var(--good); } .cmp .no { color: var(--text-faint); }

/* CTA / early access */
.cta {
  border: 1px solid var(--border);
  border-radius: 22px;
  background:
    radial-gradient(600px 300px at 80% -20%, rgba(255,61,46,.20), transparent 70%),
    radial-gradient(500px 280px at 0% 120%, rgba(255,180,58,.14), transparent 70%),
    var(--bg-soft);
  padding: 60px 48px;
  text-align: center;
}
.cta h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); }
.cta p { color: var(--text-dim); max-width: 56ch; margin: 18px auto 0; }
.signup {
  display: flex; gap: 12px; max-width: 520px; margin: 34px auto 0; flex-wrap: wrap;
}
.signup input {
  flex: 1 1 240px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
}
.signup input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.signup .btn { flex: none; }
.form-msg { margin-top: 16px; font-size: 14px; min-height: 20px; }
.form-msg.ok { color: var(--good); }
.form-msg.err { color: #ff6b6b; }
.cta-fine { margin-top: 14px; font-size: 12.5px; color: var(--text-faint); }

/* stats strip */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.stat { text-align: center; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 18px; background: var(--panel); }
.stat .n { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 680; }
.stat .l { color: var(--text-dim); font-size: .9rem; margin-top: 6px; }

/* footer */
footer { border-top: 1px solid var(--border-soft); padding: 56px 0 40px; background: var(--bg-soft); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.foot-grid h4 { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 16px; }
.foot-grid a { display: block; color: var(--text-dim); font-size: 14.5px; padding: 5px 0; }
.foot-grid a:hover { color: var(--text); }
.foot-brand p { color: var(--text-dim); font-size: 14px; margin-top: 14px; max-width: 34ch; }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--border-soft); color: var(--text-faint); font-size: 13px; flex-wrap: wrap; gap: 12px; }
.disclaimer { font-size: 12px; color: var(--text-faint); max-width: 70ch; }

/* ---------- investor page ---------- */
.doc { padding: 60px 0 40px; }
.doc-hero { text-align: center; padding: 70px 0 30px; }
.doc-hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); max-width: 20ch; margin: 0 auto; }
.doc-hero .sub { color: var(--text-dim); margin-top: 20px; font-size: 1.15rem; max-width: 60ch; margin-left:auto; margin-right:auto; }
.memo { max-width: 820px; margin: 0 auto; }
.memo h2 { font-size: 1.7rem; margin-top: 16px; }
.memo h3 { font-size: 1.2rem; margin-top: 26px; color: var(--text); }
.memo p { color: var(--text-dim); margin-top: 14px; font-size: 1.02rem; }
.memo ul { color: var(--text-dim); margin-top: 14px; padding-left: 22px; }
.memo li { margin: 9px 0; }
.memo strong, .memo b { color: var(--text); }
.memo .block {
  border: 1px solid var(--border); border-left: 3px solid var(--accent);
  background: var(--panel); border-radius: var(--radius);
  padding: 28px 30px; margin-top: 30px;
}
.memo .block h2 { margin-top: 0; }
.toc { position: sticky; top: 80px; }
.toc h4 { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 14px; }
.toc a { display: block; color: var(--text-dim); font-size: 14px; padding: 6px 0; border-left: 2px solid transparent; padding-left: 12px; }
.toc a:hover, .toc a.active { color: var(--text); border-left-color: var(--accent); }
.doc-layout { display: grid; grid-template-columns: 220px 1fr; gap: 50px; align-items: start; }
.flag { display:inline-block; font-size: 11px; padding: 2px 8px; border-radius: 6px; background: rgba(244,183,64,.12); border:1px solid rgba(244,183,64,.3); color: var(--warn); margin-left: 8px; vertical-align: middle; }

.pull { font-size: 1.35rem; color: var(--text); font-weight: 600; line-height: 1.4; border-left: 3px solid var(--accent-3); padding-left: 22px; margin: 36px 0; }

/* ---------- homepage statement band ---------- */
.statement-band { padding: 96px 0; text-align: center; background: var(--bg-soft); border-block: 1px solid var(--border-soft); }
.statement-band .statement { font-size: clamp(1.6rem, 3.6vw, 2.6rem); font-weight: 640; line-height: 1.28; max-width: 22ch; margin: 0 auto; letter-spacing: -.025em; }
.statement-band p.note { color: var(--text-dim); max-width: 62ch; margin: 26px auto 0; font-size: 1.08rem; }
.statement-band .mini-stats { display: flex; gap: 44px; justify-content: center; flex-wrap: wrap; margin-top: 44px; }
.statement-band .mini-stats .ms .n { font-size: 1.7rem; font-weight: 680; }
.statement-band .mini-stats .ms .l { color: var(--text-faint); font-size: .86rem; margin-top: 2px; }

/* landscape cards */
.card .src { font-size: 11.5px; color: var(--text-faint); font-family: var(--mono); letter-spacing: .02em; }
.card .takeaway { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); font-size: .9rem; color: var(--accent-3); }
.card .takeaway b { color: var(--accent-3); font-weight: 600; }
.card .role { display:inline-block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }

/* business model cards */
.bm { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
@media (max-width: 900px){ .bm, .statement-band .mini-stats { grid-template-columns: 1fr; } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .grid-3, .steps, .verticals { grid-template-columns: 1fr; }
  .split, .grid-2, .stats { grid-template-columns: 1fr; }
  .split.flip .split-media { order: 0; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .doc-layout { grid-template-columns: 1fr; }
  .toc { display: none; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--bg-soft); border-bottom: 1px solid var(--border); padding: 18px 24px; gap: 16px;
  }
  .nav-toggle { display: inline-flex; }
}
@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .cta { padding: 44px 22px; }
}