/* The Express Straw System™ — shared styles for the corporate pages.
   A Simulacra piece from inkegg.io. */

@font-face { font-family: 'STIX Two Math'; src: url('university/stix-two-math.woff2') format('woff2'); font-display: swap; }

:root {
  --sky: #eef5fd;
  --sky-2: #dde9f8;
  --card: #ffffff;
  --ink: #0d1b33;
  --muted: #51607a;
  --navy: #0a2a6b;
  --blue: #1257d6;
  --blue-2: #2f7cf6;
  --cyan: #63b4ff;
  --silver: #aab6c6;
  --red: #e5484d;
  --green: #17915a;
  --line: rgba(18, 87, 214, .16);
  --shadow: 0 12px 34px rgba(10, 42, 107, .14);
  --display: 'Exo 2', 'Arial Black', Arial, sans-serif;
  --body: 'Source Sans 3', 'Segoe UI', Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Courier New', monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: linear-gradient(180deg, #fff 0, var(--sky) 520px) var(--sky);
  color: var(--ink);
  font: 18px/1.6 var(--body);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
a:hover { color: var(--navy); }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }
math { font-family: 'STIX Two Math', 'Latin Modern Math', 'Cambria Math', math; font-size: 1.08em; }

/* ── Simulacra strip ───────────────────────────────────────── */
.top {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 7px 16px; font: 13px/1.4 var(--body); color: var(--muted);
  background: #fff; border-bottom: 1px solid var(--line);
}
.top a { color: var(--muted); text-decoration: none; }
.top a:hover { color: var(--blue); }

/* ── Masthead ──────────────────────────────────────────────── */
.mast {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.mast-in {
  max-width: 1180px; margin: 0 auto; padding: 10px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); }
.brand svg { width: 52px; height: 34px; flex: none; }
.brand-word { display: flex; flex-direction: column; line-height: .92; }
.brand-word small { font: italic 800 11px/1 var(--display); letter-spacing: .08em; color: var(--navy); }
.brand-word b { font: italic 900 22px/1 var(--display); color: var(--blue); letter-spacing: -.01em; }
.brand-word i { font: italic 700 11px/1.1 var(--display); letter-spacing: .32em; color: #6f7c90; font-style: italic; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  text-decoration: none; color: var(--navy); font: 700 15px/1 var(--body);
  padding: 9px 12px; border-radius: 6px;
}
.nav a:hover { background: var(--sky-2); }
.nav a[aria-current="page"] { background: var(--navy); color: #fff; }

/* ── Layout ────────────────────────────────────────────────── */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 820px; margin: 0 auto; }
.section { padding: 64px 0; }
.section--tight { padding: 36px 0; }
.section--navy {
  background: radial-gradient(ellipse at 20% 0, #1c4fb8 0, var(--navy) 60%, #061a45 100%);
  color: #e8f1ff;
}
.section--navy a { color: var(--cyan); }
.section--white { background: #fff; border-block: 1px solid var(--line); }
.center { text-align: center; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) {
  .grid2, .grid3 { grid-template-columns: 1fr; gap: 26px; }
  .section { padding: 44px 0; }
}

h1, h2, h3 { font-family: var(--display); font-style: italic; color: var(--navy); margin: 0 0 .4em; line-height: 1.08; letter-spacing: -.01em; }
h1 { font-weight: 900; font-size: clamp(34px, 5.2vw, 60px); }
h2 { font-weight: 900; font-size: clamp(28px, 3.6vw, 42px); }
h3 { font-weight: 800; font-size: 22px; }
.section--navy h1, .section--navy h2, .section--navy h3 { color: #fff; }
.lead { font-size: 21px; color: var(--muted); max-width: 760px; }
.center .lead { margin-left: auto; margin-right: auto; }
.section--navy .lead { color: #bcd2f5; }
.kicker {
  display: inline-block; font: italic 800 13px/1 var(--display); letter-spacing: .14em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 12px;
}
.section--navy .kicker { color: var(--cyan); }

.bar {
  display: inline-block; background: var(--navy); color: #fff;
  font: italic 800 clamp(13px, 1.6vw, 17px)/1.2 var(--display); letter-spacing: .02em;
  padding: 9px 18px; transform: skewX(-8deg); border-left: 6px solid var(--blue-2);
}
.bar > span { display: inline-block; transform: skewX(8deg); }

.frame { margin: 0; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.frame figcaption { padding: 10px 14px; font-size: 14px; color: var(--muted); border-top: 1px solid var(--line); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; box-shadow: 0 4px 16px rgba(10, 42, 107, .06); }
.section--navy .card { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .14); box-shadow: none; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.center .btn-row { justify-content: center; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font: italic 800 16px/1 var(--display); letter-spacing: .02em; text-decoration: none;
  color: #fff; background: linear-gradient(180deg, var(--blue-2), var(--blue));
  border: 0; border-radius: 8px; padding: 15px 22px;
  box-shadow: 0 6px 16px rgba(18, 87, 214, .32), inset 0 1px 0 rgba(255, 255, 255, .3);
}
.btn:hover { color: #fff; filter: brightness(1.07); }
.btn--ghost { background: #fff; color: var(--navy); box-shadow: inset 0 0 0 2px var(--navy); }
.btn--ghost:hover { color: var(--navy); background: var(--sky-2); }
.section--navy .btn--ghost { background: transparent; color: #fff; box-shadow: inset 0 0 0 2px #fff; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ── Pillars (Minimum Path · Maximum Flow · Scientifically Optimized) ── */
.pillars { display: flex; justify-content: center; flex-wrap: wrap; gap: 0; margin-top: 30px; }
.pillar {
  display: flex; align-items: center; gap: 10px; padding: 6px 22px;
  font: italic 800 17px/1.05 var(--display); color: var(--navy);
}
.pillar + .pillar { border-left: 2px solid var(--silver); }
.pillar svg { width: 34px; height: 34px; flex: none; color: var(--navy); }
.section--navy .pillar { color: #fff; }
.section--navy .pillar svg { color: var(--cyan); }
@media (max-width: 560px) {
  .pillar { padding: 8px 12px; font-size: 15px; }
  .pillar svg { width: 28px; height: 28px; }
}

/* ── Stats ─────────────────────────────────────────────────── */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 34px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 12px; text-align: center; }
.stat b { display: block; font: italic 900 34px/1 var(--display); color: var(--blue); }
.stat span { display: block; margin-top: 6px; font-size: 14px; color: var(--muted); line-height: 1.35; }
@media (max-width: 760px) { .stats { grid-template-columns: 1fr 1fr; } }

/* ── Before / after ────────────────────────────────────────── */
.versus { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.versus .frame { position: relative; }
.tag {
  position: absolute; top: 14px; left: 14px; z-index: 1;
  font: italic 900 14px/1 var(--display); letter-spacing: .08em; text-transform: uppercase;
  color: #fff; padding: 8px 12px; border-radius: 4px;
}
.tag--bad { background: var(--red); }
.tag--good { background: var(--green); }
.versus ul { margin: 0; padding: 14px 18px 16px 36px; font-size: 16px; border-top: 1px solid var(--line); }
.versus li { margin: 3px 0; }
@media (max-width: 860px) { .versus { grid-template-columns: 1fr; } }

/* ── Equations strip ───────────────────────────────────────── */
.eqs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.eq { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 16px 14px; text-align: center; }
.eq math { font-size: 1.35em; }
.eq p { margin: 10px 0 0; font-size: 15px; color: var(--muted); line-height: 1.4; }
.eq p b { color: var(--navy); }
@media (max-width: 860px) { .eqs { grid-template-columns: 1fr; } }

/* ── Quotes ────────────────────────────────────────────────── */
.quote { margin: 0; }
.quote blockquote { margin: 0 0 12px; font: italic 600 20px/1.45 var(--body); color: var(--ink); }
.quote figcaption { font-size: 14px; color: var(--muted); }
.quote figcaption b { color: var(--navy); }

/* ── Lobby talking points ──────────────────────────────────── */
.points { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.points li { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-radius: 10px; overflow: hidden; border: 1px solid rgba(255,255,255,.16); }
.points .they, .points .we { padding: 12px 14px; font-size: 16px; line-height: 1.4; }
.points .they { background: rgba(229, 72, 77, .16); }
.points .they b { color: #ff9ea1; }
.points .we { background: rgba(99, 180, 255, .12); }
.points .we b { color: var(--cyan); }
.points small { display: block; font: italic 800 11px/1 var(--display); letter-spacing: .12em; text-transform: uppercase; opacity: .7; margin-bottom: 5px; }
@media (max-width: 560px) { .points li { grid-template-columns: 1fr; } }

/* ── FAQ ───────────────────────────────────────────────────── */
.faq { background: #fff; border: 1px solid var(--line); border-radius: 10px; margin: 10px 0; }
.faq summary { cursor: pointer; padding: 15px 18px; font: italic 800 18px/1.3 var(--display); color: var(--navy); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: '→'; display: inline-block; width: 26px; color: var(--blue); transition: transform .15s; font-style: normal; }
.faq[open] summary::before { transform: rotate(90deg); }
.faq p { margin: 0; padding: 0 18px 16px 44px; color: var(--muted); }

/* ── Spec table ────────────────────────────────────────────── */
.spec { width: 100%; border-collapse: collapse; font-size: 16px; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 16px rgba(10, 42, 107, .06); }
.spec th, .spec td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec th { width: 42%; color: var(--navy); font-weight: 700; background: #f6f9fe; }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: 0; }

/* ── Footer ────────────────────────────────────────────────── */
.foot { background: #061a45; color: #9fb4d8; padding: 40px 0 34px; font-size: 14px; }
.foot a { color: #cfe0ff; }
.foot-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,.12); }
.foot .brand-word b { color: #fff; }
.foot .brand-word small { color: #cfe0ff; }
.foot .brand-word i { color: #8fa3c4; }
.foot .slogan { font: italic 800 17px/1.2 var(--display); color: var(--cyan); }
.fine p { margin: 14px 0 0; line-height: 1.55; }
.fine b { color: #cfe0ff; }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (max-width: 700px) { .mast { position: static; } }