/* Inflection Research site styles
   Layout: navy brand header and gridline heroes over a light, report-sheet body. */
:root {
  --navy: #1c2a45;
  --navy-2: #24355a;
  --navy-deep: #16223a;
  --cyan: #2eb1df;
  --on-navy: #ffffff;
  --on-navy-muted: #a3b2cc;
  --grid: rgba(255, 255, 255, 0.045);

  --bg: #f4f6fa;
  --surface: #ffffff;
  --fg: #1c2a45;
  --fg-2: #44526b;
  --muted: #5f6d86;
  --line: #e0e5ee;
  --line-strong: #c8d0dd;
  --chip: #edf1f7;
  --accent-ink: #1a74a3;

  --up: #15803d;
  --down: #c2272d;
  --up-bg: #e7f5ec;
  --down-bg: #fbe9ea;
  --warn-bg: #fff6e0;
  --warn-ink: #6f4b00;
  --warn-line: #efd38a;

  --s-port: #2a78d6;
  --s-bench: #8794aa;
  --c1: #2a78d6; --c2: #eb6834; --c3: #1baf7a; --c4: #eda100; --c5: #e87ba4; --c6: #4a3aa7;
  --cash: #c4ccd8;

  --f-sans: "DM Sans", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --wrap: 1120px;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1828; --surface: #17223a; --fg: #e6ecf5; --fg-2: #b6c2d6; --muted: #8e9cb4;
    --line: #26334e; --line-strong: #35446a; --chip: #202d49; --accent-ink: #6cc6ee;
    --up: #4ade80; --down: #f87171; --up-bg: rgba(74,222,128,.12); --down-bg: rgba(248,113,113,.12);
    --warn-bg: rgba(237,161,0,.12); --warn-ink: #f2c55c; --warn-line: rgba(237,161,0,.35);
    --s-port: #3987e5; --s-bench: #7c8aa5;
    --c1: #3987e5; --c2: #d95926; --c3: #199e70; --c4: #c98500; --c5: #d55181; --c6: #9085e9;
    --cash: #45546f;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--f-sans); font-size: 17px; line-height: 1.6; }
img, svg { max-width: 100%; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:hover { color: var(--fg); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
.num, .mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); color: var(--fg); padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 12px; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 40; background: var(--navy); color: var(--on-navy); border-bottom: 1px solid rgba(255,255,255,.08); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--on-navy); text-decoration: none; }
.brand:hover { color: var(--on-navy); }
.brand svg { width: 44px; height: auto; display: block; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: 0.01em; line-height: 1.1; }
.brand-name small { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: 0.2em; color: var(--cyan); margin-top: 3px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { color: var(--on-navy-muted); text-decoration: none; font-weight: 500; font-size: 15px; padding: 8px 12px; border-radius: 8px; }
.nav a:hover { color: var(--on-navy); background: rgba(255,255,255,.06); }
.nav a[aria-current="page"] { color: var(--on-navy); box-shadow: inset 0 -2px 0 var(--cyan); border-radius: 0; }
.nav-toggle { display: none; background: transparent; border: 1px solid rgba(255,255,255,.2); color: var(--on-navy); border-radius: 8px; width: 44px; height: 44px; cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle svg { width: 22px; height: 22px; }

@media (max-width: 780px) {
  .nav-toggle { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--navy); flex-direction: column; align-items: stretch; padding: 8px 16px 16px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; font-size: 16px; }
  .nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--cyan); }
}

/* ---------- Heroes ---------- */
.hero {
  background-color: var(--navy);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--on-navy);
  position: relative;
  overflow: hidden;
}
.hero-rule { height: 4px; background: linear-gradient(90deg, #3b82f6, var(--cyan)); }
.eyebrow { font-size: 12.5px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); margin: 0 0 14px; }
.hero h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.04; letter-spacing: -0.025em; margin: 0; font-weight: 700; text-wrap: balance; }
.hero .lede { font-size: clamp(17px, 2vw, 20px); color: #d3dcec; max-width: 34em; margin: 20px 0 0; }
.page-hero .wrap { padding-block: 56px 48px; }
.page-hero h1 { font-size: clamp(34px, 5vw, 52px); }

.home-hero .wrap { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 40px; align-items: end; padding-block: 72px 0; }
.home-hero .copy { padding-bottom: 72px; }
.home-hero .bars { display: block; width: 100%; height: auto; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 12px 22px; border-radius: 10px; font-weight: 700; font-size: 16px; text-decoration: none; border: 1.5px solid transparent; }
.btn-primary { background: var(--cyan); color: var(--navy); }
.btn-primary:hover { background: #57c3ea; color: var(--navy); }
.btn-ghost { border-color: rgba(255,255,255,.35); color: var(--on-navy); }
.btn-ghost:hover { border-color: var(--on-navy); color: var(--on-navy); background: rgba(255,255,255,.05); }
.btn svg { width: 18px; height: 18px; }

@media (max-width: 860px) {
  .home-hero .wrap { grid-template-columns: 1fr; padding-block: 48px 0; gap: 8px; }
  .home-hero .copy { padding-bottom: 8px; }
  .home-hero .bars { max-width: 420px; margin-left: auto; }
}

/* ---------- Sections ---------- */
.section { padding-block: 72px; }
.section + .section { padding-top: 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px 24px; flex-wrap: wrap; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 34px); line-height: 1.15; letter-spacing: -0.015em; margin: 0; text-wrap: balance; }
.section-head p { margin: 6px 0 0; color: var(--muted); max-width: 40em; }
.link-arrow { font-weight: 700; text-decoration: none; white-space: nowrap; }
.link-arrow::after { content: " →"; }

.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.pillar svg { width: 36px; height: 36px; color: var(--accent-ink); }
.pillar h3 { font-size: 20px; margin: 14px 0 6px; letter-spacing: -0.01em; }
.pillar p { margin: 0; color: var(--fg-2); }
@media (max-width: 860px) { .pillars { grid-template-columns: 1fr; gap: 28px; } }

/* Research cards */
.reports { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.report { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.report-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.ticker { font-family: var(--f-mono); font-weight: 700; font-size: 13px; letter-spacing: .04em; color: var(--on-navy); background: var(--navy); padding: 4px 9px; border-radius: 6px; }
.report-date { font-size: 13px; color: var(--muted); }
.report h3 { font-size: 21px; line-height: 1.25; margin: 4px 0 0; letter-spacing: -0.01em; }
.report .sector { font-size: 13.5px; color: var(--muted); margin: -6px 0 0; }
.report p { margin: 0; color: var(--fg-2); font-size: 15.5px; }
.report .link-arrow { margin-top: auto; padding-top: 6px; }
@media (max-width: 960px) { .reports { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .reports { grid-template-columns: 1fr; } }

/* Navy band */
.band { background: var(--navy); color: var(--on-navy); border-radius: 16px; padding: 40px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 40px; align-items: center; }
.band h2 { margin: 0; font-size: clamp(24px, 3vw, 32px); line-height: 1.15; letter-spacing: -0.015em; }
.band p { margin: 10px 0 0; color: #d3dcec; max-width: 38em; }
@media (max-width: 760px) { .band { grid-template-columns: 1fr; padding: 28px 22px; } }

/* Prose pages */
.prose { max-width: 680px; }
.prose h2 { font-size: 26px; letter-spacing: -0.015em; line-height: 1.2; margin: 48px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose p { margin: 0 0 16px; color: var(--fg-2); }
.principles { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 22px; }
.principles li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; }
.principles svg { width: 28px; height: 28px; color: var(--accent-ink); margin-top: 2px; }
.principles strong { display: block; font-size: 18px; margin-bottom: 2px; color: var(--fg); }
.principles span { color: var(--fg-2); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 56px; align-items: start; }
.aside { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: sticky; top: 96px; }
.aside h3 { margin: 0 0 10px; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink); }
.aside p { margin: 0 0 12px; color: var(--fg-2); font-size: 15px; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } .aside { position: static; } }

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; max-width: 860px; }
.contact-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.contact-card h2 { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink); margin: 0; }
.contact-card .big { font-size: clamp(18px, 2.4vw, 22px); font-weight: 700; color: var(--fg); text-decoration: none; overflow-wrap: anywhere; }
.contact-card .big:hover { color: var(--accent-ink); }
.contact-card p { margin: 0; color: var(--fg-2); font-size: 15.5px; }
.copy-btn { align-self: flex-start; margin-top: 6px; font: 600 14px var(--f-sans); color: var(--fg); background: var(--chip); border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; cursor: pointer; min-height: 40px; }
.copy-btn:hover { border-color: var(--line-strong); }
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }

.notice { display: flex; gap: 10px; align-items: flex-start; background: var(--warn-bg); color: var(--warn-ink); border: 1px solid var(--warn-line); border-radius: 10px; padding: 12px 16px; font-size: 15px; }
.notice b { font-weight: 700; }
.disclaimer-box { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 20px; font-size: 14px; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: var(--on-navy-muted); margin-top: 24px; }
.site-footer .wrap { padding-block: 48px 36px; display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 0.7fr)); gap: 32px; }
.site-footer .brand svg { width: 52px; }
.site-footer p { margin: 14px 0 0; font-size: 15px; max-width: 30em; }
.site-footer h2 { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--on-navy); margin: 4px 0 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: var(--on-navy-muted); text-decoration: none; overflow-wrap: anywhere; }
.site-footer a:hover { color: var(--on-navy); }
.legal { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px; font-size: 13px; line-height: 1.55; display: flex; justify-content: space-between; gap: 12px 32px; flex-wrap: wrap; }
.legal span:first-child { max-width: 62em; }
@media (max-width: 760px) { .site-footer .wrap { grid-template-columns: 1fr 1fr; } .site-footer .wrap > div:first-child { grid-column: 1 / -1; } }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }