/* Direction B — Operating System
   Modern SaaS, polished. Inter + JetBrains Mono. Cobalt accent. Real diagrams.
*/
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&family=Instrument+Serif:ital@0;1&display=swap');

:root {
  --bg: #0d1428;
  --bg-soft: #18213a;
  --bg-deep: #070d1f;
  --ink: #eef1f8;
  --ink-soft: #c8d0dc;
  --ink-mute: #8593aa;
  --line: #23304b;
  --line-strong: #344162;
  --accent: #5b7fff;
  --accent-deep: #2952ff;
  --accent-soft: rgba(91,127,255,0.16);
  --shade: #060b1a;
  --green: #2dd48a;
  --amber: #f59e0b;
  --red: #ef4444;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --serif: "Instrument Serif", "Source Serif 4", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  color-scheme: dark;
}

.wef-redesign * { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.wef-redesign {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}

.wef-redesign a { color: inherit; text-decoration: none; }
.wef-redesign h1, .wef-redesign h2, .wef-redesign h3, .wef-redesign h4 { margin: 0; font-weight: 600; letter-spacing: -0.025em; line-height: 1.05; text-wrap: balance; }
.wef-redesign p { margin: 0; text-wrap: pretty; }
.wef-redesign ::selection { background: var(--accent); color: white; }

.wef-redesign .wrap { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* gradient mesh background */
body.wef-redesign::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(91,127,255,0.18), transparent 60%),
    radial-gradient(900px 500px at 0% 50%, rgba(45,212,138,0.06), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.wef-redesign header, .wef-redesign main, .wef-redesign footer { position: relative; z-index: 1; }

/* ─── NAV ─── */
.wef-redesign .nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13,20,40,0.78);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}
.wef-redesign .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.wef-redesign .brand-b { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 15px; letter-spacing: -0.015em; }
.wef-redesign .brand-b .logo {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 9px;
  flex: none;
}
.wef-redesign .brand-b .logo svg, .wef-redesign .brand-b .logo img { width: 100%; height: 100%; display: block; }
.wef-redesign .foot-b .brand-b .logo { width: 36px; height: 36px; }
.wef-redesign .nav-links-b { display: flex; align-items: center; gap: 2px; font-size: 14px; font-weight: 500; }
.wef-redesign .nav-links-b a { padding: 8px 14px; color: var(--ink-mute); border-radius: 8px; transition: background 0.15s, color 0.15s; }
.wef-redesign .nav-links-b a:hover { background: var(--bg-deep); color: var(--ink); }
.wef-redesign .nav-links-b a.is-active { color: var(--ink); background: var(--bg-deep); }
.wef-redesign .nav-cta-b {
  background: var(--accent) !important;
  color: white !important;
  padding: 9px 16px !important; border-radius: 8px !important;
  font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s !important;
  box-shadow: 0 4px 14px rgba(41,82,255,0.24);
}
.wef-redesign .nav-cta-b:hover { background: var(--accent-deep) !important; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(41,82,255,0.32); }
.wef-redesign .nav-cta-b::after { content: "→"; font-family: var(--mono); }
@media (max-width: 900px) { .wef-redesign .nav-links-b a:not(.nav-cta-b) { display: none; } }

/* ─── TYPE ─── */
.wef-redesign .eyebrow-b {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  color: var(--accent); letter-spacing: 0;
  background: var(--accent-soft);
  padding: 6px 12px; border-radius: 100px;
}
.wef-redesign .eyebrow-b .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }

.wef-redesign .display-b1 {
  font-size: clamp(44px, 6vw, 80px);
  line-height: 1.04;
  letter-spacing: -0.04em;
  font-weight: 600;
  padding-bottom: 0.08em;
}
.wef-redesign .display-b1 em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--accent); letter-spacing: -0.02em; line-height: 1; display: inline-block; padding-bottom: 0.04em; }
.wef-redesign .display-b2 { font-size: clamp(36px, 4.5vw, 56px); line-height: 1.04; letter-spacing: -0.035em; font-weight: 600; }
.wef-redesign .display-b2 em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--accent); }

.wef-redesign .lede-b { font-size: 20px; line-height: 1.5; color: var(--ink-mute); max-width: 60ch; }
.wef-redesign .body-b { font-size: 16px; line-height: 1.65; color: var(--ink-mute); }
.wef-redesign .body-sm-b { font-size: 14px; line-height: 1.6; color: var(--ink-mute); }
.wef-redesign .kicker-b { font-family: var(--mono); font-size: 12px; color: var(--ink-mute); letter-spacing: 0; }

/* ─── BUTTONS ─── */
.wef-redesign .btn-b {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  font-family: var(--sans); font-size: 15px; font-weight: 500;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg-soft); color: var(--ink);
  cursor: pointer;
  transition: all 0.15s;
  box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.wef-redesign .btn-b:hover { border-color: var(--line-strong); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.4); }
.wef-redesign .btn-b-primary {
  background: var(--accent); color: white; border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(91,127,255,0.32);
}
.wef-redesign .btn-b-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); box-shadow: 0 6px 20px rgba(91,127,255,0.45); }
.wef-redesign .btn-b::after { content: "→"; font-family: var(--mono); transition: transform 0.15s; }
.wef-redesign .btn-b:hover::after { transform: translateX(2px); }

/* ─── CARDS ─── */
.wef-redesign .card-b {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.25);
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.wef-redesign .card-b:hover { border-color: var(--line-strong); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.4); }
.wef-redesign .card-b h3 { font-size: 22px; line-height: 1.2; }

.wef-redesign .card-b-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--accent-soft); color: var(--accent);
  border-radius: 10px;
  font-family: var(--mono); font-weight: 600; font-size: 14px;
  margin-bottom: 18px;
}

/* ─── HERO ─── */
.wef-redesign .hero-b {
  padding: 80px 0 64px;
  position: relative;
}
.wef-redesign .hero-b-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.wef-redesign .hero-b h1 { margin-bottom: 24px; }
.wef-redesign .hero-b-actions { display: flex; gap: 12px; margin-top: 36px; flex-wrap: wrap; }
.wef-redesign .hero-b-meta {
  display: flex; gap: 24px; margin-top: 48px; padding-top: 32px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.wef-redesign .hero-b-meta > div, .wef-redesign .hero-b-meta-link { font-size: 13px; }
.wef-redesign .hero-b-meta-link { display: block; flex: 1 1 0; min-width: 180px; transition: transform 0.15s; }
.wef-redesign .hero-b-meta-link:hover .num { color: var(--accent); }
.wef-redesign .hero-b-meta .num { font-family: var(--mono); font-size: 24px; font-weight: 600; color: var(--ink); display: block; margin-bottom: 4px; letter-spacing: -0.02em; transition: color 0.15s; }
.wef-redesign .hero-b-meta .num em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--accent); }

@media (max-width: 900px) { .wef-redesign .hero-b-grid { grid-template-columns: 1fr; gap: 48px; } }

/* hero diagram */
.wef-redesign .hero-b-viz {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 24px 64px -32px rgba(0,0,0,0.6);
  position: relative;
  overflow: hidden;
}
.wef-redesign .hero-b-viz::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(41,82,255,0.08), transparent 50%);
  pointer-events: none;
}
.wef-redesign .viz-head {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 11px; color: var(--ink-mute);
  padding-bottom: 16px; border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
  position: relative;
}
.wef-redesign .viz-head .dots { display: flex; gap: 6px; }
.wef-redesign .viz-head .dots span { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.wef-redesign .viz-head .dots span:first-child { background: var(--red); opacity: 0.5; }
.wef-redesign .viz-head .dots span:nth-child(2) { background: var(--amber); opacity: 0.5; }
.wef-redesign .viz-head .dots span:nth-child(3) { background: var(--green); opacity: 0.5; }

/* ─── SECTIONS ─── */
.wef-redesign .section-b { padding: 96px 0; }
.wef-redesign .section-head-b { margin-bottom: 56px; max-width: 60ch; }
.wef-redesign .section-head-b h2 { margin-top: 16px; }
.wef-redesign .section-head-b p { margin-top: 20px; }
@media (max-width: 720px) { .wef-redesign .section-b { padding: 64px 0; } }

/* ─── PRINCIPLES BLOCK ─── */
.wef-redesign .p-grid-b {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .wef-redesign .p-grid-b { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .wef-redesign .p-grid-b { grid-template-columns: 1fr; } }

/* ─── SPLIT ─── */
.wef-redesign .split-b { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .wef-redesign .split-b { grid-template-columns: 1fr; gap: 32px; } }

/* ─── DARK SECTION ─── */
.wef-redesign .dark-b {
  background: var(--shade);
  color: white;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 80px 56px;
  position: relative;
  overflow: hidden;
}
.wef-redesign .dark-b::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 400px at 100% 0%, rgba(41,82,255,0.32), transparent 50%),
    radial-gradient(600px 300px at 0% 100%, rgba(6,168,107,0.12), transparent 50%);
  pointer-events: none;
}
.wef-redesign .dark-b > * { position: relative; }
.wef-redesign .dark-b h2, .wef-redesign .dark-b h3 { color: white; }
.wef-redesign .dark-b p { color: rgba(255,255,255,0.72); }
.wef-redesign .dark-b .eyebrow-b { background: rgba(255,255,255,0.1); color: white; }
.wef-redesign .dark-b .eyebrow-b .dot { background: var(--accent); }
.wef-redesign .dark-b .btn-b { background: rgba(255,255,255,0.1); color: white; border-color: rgba(255,255,255,0.16); backdrop-filter: blur(10px); }
.wef-redesign .dark-b .btn-b:hover { background: rgba(255,255,255,0.2); }
.wef-redesign .dark-b .btn-b-primary { background: white; color: var(--shade); border-color: white; }
.wef-redesign .dark-b .btn-b-primary:hover { background: var(--accent); color: white; border-color: var(--accent); }
@media (max-width: 720px) { .wef-redesign .dark-b { padding: 48px 28px; border-radius: 20px; } }

/* ─── SCENARIO BLOCK ─── */
.wef-redesign .scen-b {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-soft);
}
.wef-redesign .scen-b + .scen-b { margin-top: 16px; }
.wef-redesign .scen-b-text { padding: 32px; }
.wef-redesign .scen-b-viz { background: var(--bg-deep); padding: 32px; border-left: 1px solid var(--line); }
.wef-redesign .scen-b-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 11px; color: var(--accent);
  background: var(--accent-soft); padding: 4px 10px; border-radius: 6px;
  margin-bottom: 16px;
}
.wef-redesign .scen-b h3 { font-size: 26px; margin-bottom: 12px; }
@media (max-width: 800px) { .wef-redesign .scen-b { grid-template-columns: 1fr; } .wef-redesign .scen-b-viz { border-left: 0; border-top: 1px solid var(--line); } }

/* ─── COMMITMENT ROW (used in viz) ─── */
.wef-redesign .row-b {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 8px;
}
.wef-redesign .row-b-name { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.wef-redesign .row-b-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.wef-redesign .dot-blue { background: var(--accent); }
.wef-redesign .dot-green { background: var(--green); }
.wef-redesign .dot-amber { background: var(--amber); }
.wef-redesign .dot-mute { background: var(--ink-mute); opacity: 0.5; }
.wef-redesign .row-b-tag {
  font-family: var(--mono); font-size: 11px; color: var(--ink-mute);
  background: var(--bg-deep); padding: 3px 8px; border-radius: 5px;
}

/* ─── FOOTER ─── */
.wef-redesign .foot-b {
  margin-top: 96px;
  padding: 64px 0 32px;
  border-top: 1px solid var(--line);
}
.wef-redesign .foot-b-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid var(--line); }
.wef-redesign .foot-b a { color: var(--ink-mute); }
.wef-redesign .foot-b a:hover { color: var(--ink); }
.wef-redesign .foot-b h4 { font-size: 12px; font-weight: 600; color: var(--ink); margin-bottom: 16px; letter-spacing: 0; }
.wef-redesign .foot-b ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: 14px; }
.wef-redesign .foot-b-bottom { padding-top: 24px; display: flex; justify-content: center; font-size: 13px; color: var(--ink-mute); font-family: var(--mono); }
@media (max-width: 800px) { .wef-redesign .foot-b-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }

/* tension table */
.wef-redesign .tens-b { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--bg-soft); }
.wef-redesign .tens-b-row { display: grid; grid-template-columns: 1fr 60px 1fr 1.4fr; gap: 0; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--line); }
.wef-redesign .tens-b-row:last-child { border-bottom: 0; }
.wef-redesign .tens-b-row .vs { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); text-align: center; }
.wef-redesign .tens-b-row strong { font-weight: 600; }
.wef-redesign .tens-b-row p { font-size: 14px; color: var(--ink-mute); }
@media (max-width: 720px) { .wef-redesign .tens-b-row { grid-template-columns: 1fr; gap: 4px; padding: 16px; } .wef-redesign .tens-b-row .vs { text-align: left; } }

/* ─── PAGE HEAD ─── */
.wef-redesign .page-head-b { padding: 64px 0 56px; }
.wef-redesign .page-head-b .crumbs { font-family: var(--mono); font-size: 12px; color: var(--ink-mute); margin-bottom: 24px; display: flex; gap: 8px; }
.wef-redesign .page-head-b .crumbs a:hover { color: var(--accent); }
.wef-redesign .page-head-b h1 { font-size: clamp(40px, 5.5vw, 72px); line-height: 1; margin-bottom: 24px; max-width: 18ch; }

/* ─── FAQ ─── */
.wef-redesign .faq-b { display: grid; gap: 12px; }
.wef-redesign .faq-b details {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px;
  padding: 0 24px;
  transition: border-color 0.15s;
}
.wef-redesign .faq-b details[open] { border-color: var(--accent); box-shadow: 0 1px 2px rgba(91,127,255,0.18); }
.wef-redesign .faq-b summary {
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 22px 0; cursor: pointer; list-style: none;
  font-size: 17px; font-weight: 500; color: var(--ink);
}
.wef-redesign .faq-b summary::-webkit-details-marker { display: none; }
.wef-redesign .faq-b summary::after {
  content: "+"; font-family: var(--mono); font-size: 18px; color: var(--ink-mute);
  width: 24px; height: 24px; display: grid; place-items: center;
  background: var(--bg-deep); border-radius: 6px;
  transition: transform 0.15s;
}
.wef-redesign .faq-b details[open] summary::after { content: "−"; background: var(--accent-soft); color: var(--accent); }
.wef-redesign .faq-b-body { padding: 0 0 22px; color: var(--ink-mute); line-height: 1.65; max-width: 64ch; }

/* ─── FORM ─── */
.wef-redesign .form-b { display: grid; gap: 16px; }
.wef-redesign .field-b label { display: block; font-size: 13px; font-weight: 500; color: var(--ink); margin-bottom: 6px; }
.wef-redesign .field-b input, .wef-redesign .field-b textarea, .wef-redesign .field-b select {
  width: 100%; font-family: var(--sans); font-size: 15px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.wef-redesign .field-b input::placeholder, .wef-redesign .field-b textarea::placeholder { color: var(--ink-mute); }
.wef-redesign .field-b input:focus, .wef-redesign .field-b textarea:focus, .wef-redesign .field-b select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft);
}
.wef-redesign .field-b textarea { resize: vertical; min-height: 140px; }