/* matrix.thinking.ai.id: shared thinking.ai.id shell (navy/amber, Poppins + Open Sans) with the Matrix lens accent #6FA3D9.
   --lens is for fills; --lens-text is the darker/lighter variant that keeps AA contrast for text and links. */
:root {
  --navy: #0C2F52; --lens: #6FA3D9; --lens-text: #2F6EA8; --btn: #0C4F8E; --amber: #F0A202;
  --bg: #F4F7FB; --text: #4A5568; --line: #DCE5F0; --card: #fff; --soft: #EAF1FA; --ok: #1f8a4c; --no: #c0392b;
}
@media (prefers-color-scheme: dark) {
  :root { --navy: #EAF1FA; --bg: #0B1624; --text: #9DB3CC; --line: #1F3350; --card: #11233A; --soft: #0f2036; --btn: #4472C4; --lens-text: #8DB8E6; --ok: #4cc380; --no: #ff8b7e; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 "Open Sans", "Segoe UI", Arial, sans-serif; }
h1, h2, h3, h4, h5, .brand { font-family: Poppins, "Segoe UI", Arial, sans-serif; color: var(--navy); margin: 0; }
a { color: var(--lens-text); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.sr:focus + label { outline: 3px solid var(--amber); outline-offset: 2px; }
.small { font-size: 13px; opacity: .9; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

/* nav: dark blue like the hub */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(7,24,43,.94); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,.12); }
.navin { max-width: 1240px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; gap: 18px; }
.brand { color: #fff; font-weight: 700; text-decoration: none; white-space: nowrap; }
.brand span { color: var(--amber); }
.links { display: flex; align-items: center; gap: 4px 16px; margin-left: auto; flex-wrap: wrap; }
.links a { color: #D3E0EF; text-decoration: none; font-size: 13.5px; }
.links a:hover { color: #fff; }
.links .hub { color: var(--amber); }
.lang { display: inline-flex; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; padding: 2px; background: rgba(255,255,255,.08); }
.lang button { border: 0; background: transparent; color: #D3E0EF; font: 600 12px Poppins, sans-serif; padding: 5px 12px; border-radius: 999px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--amber); color: #0C2F52; }
.nav-toggle { display: none; margin-left: auto; width: 40px; height: 36px; border: 1px solid rgba(255,255,255,.25); background: transparent; border-radius: 8px; cursor: pointer; position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 9px; right: 9px; height: 2px; background: #fff; }
.nav-toggle span { top: 17px; } .nav-toggle span::before { top: -6px; left: 0; right: 0; } .nav-toggle span::after { top: 6px; left: 0; right: 0; }

/* hero */
.hero { color: #fff; background: radial-gradient(900px 500px at 85% 15%, rgba(111,163,217,.3), transparent 60%), linear-gradient(135deg, #07182b 0%, #0C2F52 45%, #0C4F8E 100%); padding: 72px 0 56px; }
/* Hero photo: the same people image as thinking.ai.id (assets/hero-people.jpg), behind the headline and the matrix.
   Applied only once the file loads (see app.js), so the hero is unchanged without it. */
.hero.has-photo {
  background:
    linear-gradient(90deg, #07182b 0%, rgba(7,24,43,.92) 26%, rgba(7,24,43,.38) 50%, rgba(7,24,43,0) 100%),
    linear-gradient(0deg, #07182b 0%, rgba(7,24,43,0) 18%),
    url("hero-people.jpg") 80% center / cover no-repeat,
    #07182b;
}
.hero.has-photo h1, .hero.has-photo .lede { text-shadow: 0 2px 18px rgba(7,24,43,.7); }
.hero.has-photo .mx { filter: drop-shadow(0 0 36px rgba(28,111,184,.45)); }
.hero.has-photo .mx-cell { background: rgba(7,24,43,.42); backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); border-color: rgba(255,255,255,.5); text-shadow: 0 1px 8px rgba(7,24,43,.8); }
.hero.has-photo .mx-cell.on { background: rgba(240,162,2,.26); border-color: var(--amber); }
.hero.has-photo .venn-cap { text-shadow: 0 1px 10px rgba(7,24,43,.9); }
.hero.has-photo .mx-y, .hero.has-photo .mx-x { text-shadow: 0 1px 8px rgba(7,24,43,.9); }
.herogrid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 600; color: var(--amber); margin: 0 0 12px; }
.hero h1 { color: #fff; font-size: clamp(32px, 5vw, 54px); line-height: 1.12; }
.hero h1 em { font-style: normal; color: var(--amber); }
.question { font: 600 18px Poppins, sans-serif; color: #fff; margin: 18px 0 0; border-left: 3px solid var(--lens); padding-left: 14px; }
.lede { font-size: 18px; max-width: 34em; margin: 16px 0 28px; color: #D3E0EF; }
.herostats { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 32px; padding: 0; margin: 34px 0 0; color: #D3E0EF; font-size: 14px; }
.herostats strong { font: 700 28px Poppins, sans-serif; color: var(--amber); margin-right: 6px; }
.vennbox { display: flex; flex-direction: column; align-items: center; }
.venn { width: min(100%, 380px); height: auto; overflow: visible; }
.vc { cursor: pointer; transition: transform .2s; transform-origin: 150px 190px; }
.vc:hover circle { stroke-opacity: 1; }
.vt { fill: #fff; font: 600 12px Poppins, sans-serif; pointer-events: none; }
.vt.dark { fill: #0C2F52; font-size: 18px; }
.venn-cap { text-align: center; max-width: 340px; margin-top: 8px; color: #D3E0EF; }
.venn-cap strong { font-family: Poppins, sans-serif; color: #fff; font-size: 17px; }
.venn-cap p { margin: 4px 0 6px; font-size: 14px; }
.venn-cap small { opacity: .7; }

/* buttons */
.actions { margin-top: 18px; }
.actions.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.btn { display: inline-block; border: 0; border-radius: 999px; padding: 11px 24px; font: 600 15px "Open Sans", sans-serif; text-decoration: none; cursor: pointer; transition: filter .15s; }
.btn:hover:not(:disabled) { filter: brightness(1.08); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--btn); color: #fff; }
.btn-amber { background: var(--amber); color: #0C2F52; }
.btn-ghost { background: transparent; color: var(--navy); border: 1.5px solid var(--line); }
.hero .btn-ghost, .band-dark .btn-ghost { color: #fff; border-color: rgba(255,255,255,.45); }
.btn.sm { padding: 6px 14px; font-size: 13px; }

/* sections */
.sec { padding: 76px 0; }
.sec h2 { font-size: clamp(26px, 3.6vw, 38px); line-height: 1.2; max-width: 22em; }
.sec h3 { font-size: 20px; margin: 40px 0 14px; }
.sub { max-width: 46em; margin: 14px 0 28px; }
.light { background: var(--bg); }
.band-dark { --navy: #fff; --text: #D3E0EF; --card: rgba(255,255,255,.08); --line: rgba(255,255,255,.2); --soft: rgba(255,255,255,.06);
  color: var(--text); background: radial-gradient(800px 400px at 10% 0%, rgba(111,163,217,.22), transparent 60%), linear-gradient(135deg, #0C2F52 0%, #0C4F8E 100%); }
.band-dark { --lens-text: #9CC4EE; }
.band-dark a { color: var(--amber); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.card h4 { font-size: 17px; margin-bottom: 6px; }
.card p, .card ul { margin: 6px 0 0; }
.card.glass { backdrop-filter: blur(2px); }
.num { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--lens); color: #0C2F52; font: 600 13px Poppins, sans-serif; margin-bottom: 8px; }
.tag { display: inline-block; font: 600 11px Poppins, sans-serif; text-transform: uppercase; letter-spacing: .06em; padding: 2px 8px; border-radius: 999px; background: var(--soft); color: var(--navy); border: 1px solid var(--line); }
.tag.good { background: rgba(31,138,76,.15); color: var(--ok); border-color: var(--ok); }
.tag.poor { background: rgba(192,57,43,.12); color: var(--no); border-color: var(--no); }
.badge { display: inline-block; font: 600 11px Poppins, sans-serif; padding: 3px 10px; border-radius: 999px; background: var(--amber); color: #0C2F52; }

/* definition */
.traits, .mind { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.ico { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--amber); color: #0C2F52; font-size: 18px; margin-bottom: 8px; }
.origin { max-width: 52em; margin: 24px 0 0; }
.spaces { display: flex; gap: 8px; margin-bottom: 10px; font: 600 12px Poppins, sans-serif; }
.sp { padding: 4px 12px; border-radius: 999px; } .sp.p { background: rgba(240,162,2,.2); color: var(--amber); } .sp.s { background: rgba(111,163,217,.25); color: #fff; }
.stages5 { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; padding: 0; margin: 0; counter-reset: s; }
.stages5 small { display: block; margin-top: 8px; opacity: .8; }
.cmp { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.cmp ul { padding-left: 18px; } .cmp .no h4 { color: #ff9f93; } .cmp .yes h4 { color: var(--amber); }
.goal { font: 600 18px Poppins, sans-serif; color: #fff; margin: 24px 0 0; }

/* what for / best / limits / sources */
.benefits, .lims { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
.tags li { padding: 6px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--navy); font-size: 14px; }
.ai-box { margin-top: 40px; padding: 28px; border-radius: 16px; color: #D3E0EF; background: linear-gradient(135deg, #0C2F52, #0C4F8E); }
.ai-box h3 { color: #fff; margin-top: 0; } .ai-box blockquote { margin: 0 0 18px; font: 600 18px/1.4 Poppins, sans-serif; color: #fff; border-left: 3px solid var(--amber); padding-left: 14px; }
.ai-box cite { display: block; font: 400 13px "Open Sans", sans-serif; color: var(--amber); margin-top: 6px; font-style: normal; }
.airows { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px 20px; } .airows strong { display: block; color: var(--amber); font-family: Poppins, sans-serif; } .airows span { font-size: 14px; }
.bestlist { list-style: none; padding: 0; margin: 0 0 28px; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.fit h3 { margin-top: 0; } .fitq { font: 600 18px/1.4 Poppins, sans-serif; color: #fff; margin: 12px 0 0; } .fitq small { display: block; color: var(--amber); font-family: "Open Sans", sans-serif; }
.verdict { font: 600 18px Poppins, sans-serif; margin: 12px 0 0; } .verdict.v0 strong { color: #7fe3a6; } .verdict.v1 strong { color: var(--amber); } .verdict.v2 strong { color: #ff9f93; }
.pair { display: inline-block; margin-top: 10px; font-size: 12.5px; padding: 3px 10px; border-radius: 999px; background: var(--soft); border: 1px solid var(--line); }
.pair b { color: var(--lens-text); }
.note { margin: 24px 0 8px; padding: 14px 18px; border-left: 4px solid var(--amber); background: var(--card); border-radius: 0 10px 10px 0; color: var(--navy); }
.srcgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-bottom: 14px; }
.srcgrid ul { list-style: none; padding: 0; } .srcgrid li { margin: 10px 0; font-size: 14px; } .srcgrid li span { display: block; opacity: .85; }

/* case studies */
.case { margin-bottom: 14px; padding: 0; overflow: hidden; }
.case summary { cursor: pointer; padding: 18px 22px; list-style: none; display: flex; flex-direction: column; gap: 4px; }
.case summary::-webkit-details-marker { display: none; }
.case summary strong { font: 600 18px Poppins, sans-serif; color: var(--navy); }
.tagline { font: 600 11px Poppins, sans-serif; text-transform: uppercase; letter-spacing: .1em; color: var(--lens-text); }
.cbody { padding: 0 22px 22px; display: grid; gap: 14px; }
.crow h5 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--lens-text); margin-bottom: 4px; } .crow ul { margin: 0; padding-left: 18px; } .crow p { margin: 0; }
.csteps { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; counter-reset: c; }
.csteps li { counter-increment: c; font-size: 13px; padding: 5px 12px; border-radius: 999px; background: var(--soft); border: 1px solid var(--line); }
.csteps li:nth-child(4) { background: rgba(192,57,43,.12); border-color: var(--no); color: var(--no); }

/* simulator */
.sim { margin-top: 8px; }
.stepper { list-style: none; display: flex; gap: 6px; padding: 0 0 6px; margin: 0 0 22px; overflow-x: auto; }
.stp { display: flex; align-items: center; gap: 8px; padding: 6px 14px 6px 6px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; white-space: nowrap; }
.stp .n { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--soft); font: 600 12px Poppins, sans-serif; color: var(--navy); }
.stp .l { font-size: 13px; }
.stp.ok .n { background: var(--lens); color: #0C2F52; }
.stp.on { border-color: var(--amber); box-shadow: 0 0 0 2px rgba(240,162,2,.35); color: var(--navy); }
.stp:disabled { opacity: .5; cursor: not-allowed; }
.setup h3 { margin: 22px 0 10px; font-size: 17px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1.5px solid var(--line); background: var(--card); color: var(--navy); padding: 8px 16px; border-radius: 999px; cursor: pointer; font-weight: 600; font-size: 14px; }
.chip.on { background: var(--btn); color: #fff; border-color: var(--btn); }
.seg { display: inline-flex; border: 1.5px solid var(--line); border-radius: 999px; padding: 3px; background: var(--card); margin-bottom: 8px; }
.seg button { border: 0; background: transparent; color: var(--text); padding: 8px 18px; border-radius: 999px; cursor: pointer; font-weight: 600; font-size: 14px; }
.seg button.on { background: var(--btn); color: #fff; }
.seg.sm button { padding: 5px 12px; font-size: 13px; }
.seg.sm button.right { outline: 2px solid var(--ok); } .seg.sm button.wrong { outline: 2px solid var(--no); }
.preview { margin-top: 18px; } .preview h4 { margin: 8px 0 4px; }
.aipanel { display: grid; gap: 10px; margin-top: 8px; }
.aipanel label, .lbl { font: 600 13px Poppins, sans-serif; color: var(--navy); margin: 6px 0 0; }
.aipanel input[type="text"], .aipanel textarea { width: 100%; padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--navy); font: inherit; }
.chk { display: flex; align-items: flex-start; gap: 8px; font: 400 14px "Open Sans", sans-serif !important; color: var(--text) !important; }
.chk input { margin-top: 5px; }
.filerow { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.files { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; } .files li { display: flex; justify-content: space-between; gap: 10px; padding: 6px 12px; background: var(--soft); border-radius: 8px; font-size: 13px; }
.files .x { border: 0; background: transparent; color: var(--no); font-size: 18px; cursor: pointer; }
.aistatus { margin: 0; font-weight: 600; color: var(--lens-text); }
.srclist { padding-left: 18px; } .srclist li { margin: 4px 0; word-break: break-word; }
.sh { margin-bottom: 18px; } .sh h3 { margin: 0; font-size: 28px; } .lead { margin: 6px 0 0; font-size: 17px; }
.grid2 { display: grid; grid-template-columns: 1fr 1.2fr; gap: 16px; margin-bottom: 8px; }
.persona .problem { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: 14px; }
.jchart { width: 100%; height: auto; display: block; }
.jsteps { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; padding: 0; margin: 4px 0 8px; font-size: 11.5px; text-align: center; }
.jsteps li.pain { color: var(--no); font-weight: 700; }
.q-h { margin: 26px 0 4px; font-size: 18px; }
.opts { display: grid; gap: 8px; margin-top: 10px; }
.opt { text-align: left; border: 1.5px solid var(--line); background: var(--card); color: var(--text); padding: 12px 16px; border-radius: 12px; cursor: pointer; line-height: 1.5; }
.opt:hover:not(:disabled) { border-color: var(--lens-text); }
.opt.sel { border-color: var(--amber); box-shadow: inset 4px 0 0 var(--amber); color: var(--navy); }
.opt.good { border-color: var(--ok); background: rgba(31,138,76,.1); }
.opt.poor { border-color: var(--no); background: rgba(192,57,43,.08); }
.opt:disabled { cursor: default; }
.answers { display: grid; gap: 10px; margin-top: 14px; }
.ans { padding: 12px 16px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.qline { margin: 0 0 6px; font-weight: 600; color: var(--navy); }
blockquote { margin: 6px 0 0; padding-left: 14px; border-left: 3px solid var(--lens); font-style: italic; }
.cls { display: grid; gap: 10px; margin-top: 10px; }
.clsrow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 10px 14px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.clsrow p { margin: 0; flex: 1 1 260px; }
.mark { font-size: 13px; font-weight: 600; } .mark.ok { color: var(--ok); } .mark.no { color: var(--no); }
.fb { margin: 10px 0 0; padding: 10px 14px; border-radius: 10px; font-size: 14.5px; }
.fb.ok { background: rgba(31,138,76,.12); color: var(--navy); border: 1px solid var(--ok); }
.fb.no { background: rgba(192,57,43,.1); color: var(--navy); border: 1px solid var(--no); }
.fb[hidden] { display: none; }
.scamper { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-top: 10px; }
.scard { min-height: 112px; border: 1.5px solid var(--line); background: var(--card); border-radius: 12px; padding: 12px; cursor: pointer; text-align: left; color: var(--text); display: flex; flex-direction: column; gap: 4px; }
.scard b { font: 700 24px Poppins, sans-serif; color: var(--lens-text); line-height: 1; } .scard .nm { font-size: 12px; font-weight: 600; color: var(--navy); } .scard .tap { font-size: 12px; opacity: .6; } .scard .idea { font-size: 13px; line-height: 1.4; }
.scard.open { border-color: var(--amber); background: var(--soft); }
.crazy { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 8px; }
.crazy textarea { width: 100%; resize: vertical; padding: 8px 10px; border: 1.5px dashed var(--line); border-radius: 10px; background: var(--card); color: var(--navy); font: inherit; font-size: 13px; }
.crazy textarea.active { border: 2px solid var(--amber); box-shadow: 0 0 0 3px rgba(240,162,2,.25); }
.timer { margin: 8px 0 0; font: 600 14px Poppins, sans-serif; color: var(--lens-text); min-height: 1.4em; }
.fid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 10px; }
.fcard { border: 1.5px solid var(--line); background: var(--card); border-radius: 12px; padding: 14px; cursor: pointer; text-align: left; color: var(--text); display: grid; gap: 6px; }
.fcard b { font: 600 16px Poppins, sans-serif; color: var(--navy); } .fcard em { font-style: normal; font: 700 13px Poppins, sans-serif; color: var(--lens-text); }
.fcard .bar { display: block; height: 8px; border-radius: 99px; background: linear-gradient(90deg, var(--lens) var(--w), var(--soft) var(--w)); }
.fcard.good { border-color: var(--ok); } .fcard.poor { border-color: var(--no); } .fcard.sel { box-shadow: inset 0 -3px 0 var(--amber); }
.stats2 { display: flex; gap: 28px; margin: 12px 0 2px; } .stats2 div { display: flex; flex-direction: column; } .stats2 strong { font: 700 34px Poppins, sans-serif; color: var(--navy); line-height: 1; } .stats2 span { font-size: 13px; }
.card.dark { background: linear-gradient(135deg, #0C2F52, #0C4F8E); border: 0; color: #D3E0EF; margin-top: 12px; } .card.dark h4 { color: #fff; }
.coach { margin-top: 18px; padding: 12px 16px; border-radius: 12px; background: var(--soft); border: 1px dashed var(--lens); }
.coach-out { margin: 8px 0 0; white-space: pre-wrap; } .coach-out:empty { display: none; }
.totalbox { display: flex; align-items: baseline; gap: 8px; margin: 6px 0 16px; } .totalbox strong { font: 700 64px Poppins, sans-serif; color: var(--navy); line-height: 1; } .totalbox span { font-size: 20px; } .totalbox em { margin-left: 12px; font: 600 18px Poppins, sans-serif; color: var(--lens-text); font-style: normal; }
.bars { display: grid; gap: 8px; margin-bottom: 18px; } .brow { display: grid; grid-template-columns: 110px 1fr 54px; gap: 10px; align-items: center; font-size: 14px; }
.bar2 { height: 10px; border-radius: 99px; background: var(--soft); overflow: hidden; } .bar2 i { display: block; height: 100%; background: linear-gradient(90deg, var(--lens), var(--amber)); }
.summary { white-space: pre-wrap; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 14px; font: 13px/1.6 ui-monospace, Menlo, Consolas, monospace; color: var(--navy); margin: 8px 0 12px; }

footer { background: #07182b; color: #B8C7D9; text-align: center; padding: 32px 24px; font-size: 13px; }
footer a { color: var(--amber); text-decoration: none; } footer p { margin: 4px 0; }
.noscript { padding: 20px; text-align: center; }

@media (max-width: 900px) {
  .hero.has-photo { background: linear-gradient(180deg, rgba(7,24,43,.88) 0%, rgba(7,24,43,.72) 55%, #07182b 100%), linear-gradient(135deg, rgba(12,79,142,.38), rgba(7,24,43,.15)), url("hero-people.jpg") 72% center / cover no-repeat, #07182b; }
  .herogrid, .grid2, .cmp { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .links { display: none; position: absolute; left: 0; right: 0; top: 100%; margin: 0; padding: 12px 24px 18px; background: rgba(7,24,43,.98); flex-direction: column; align-items: flex-start; gap: 12px; }
  .links.open { display: flex; }
  .lang { margin-left: 0; }
  .crazy { grid-template-columns: repeat(2, 1fr); } .fid { grid-template-columns: 1fr; }
  .brow { grid-template-columns: 90px 1fr 48px; }
  .sec { padding: 52px 0; } .wrap { padding: 0 16px; } .navin { padding: 10px 16px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }

/* fixes: button colours inside dark bands, spacing between stage blocks */
.band-dark a.btn-amber { color: #0C2F52; }
.band-dark a.btn-ghost, .band-dark .btn-ghost { color: #fff; }
.stage > .card, .stage > .answers, .stage > .cls, .stage > .fb { margin-top: 14px; }

/* matrix lens additions: hero impact-effort grid */
.mx { position: relative; width: min(100%, 380px); padding: 0 0 26px 30px; }
.mx-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mx-cell { text-align: left; min-height: 104px; border: 1.5px solid rgba(255,255,255,.28); background: rgba(255,255,255,.08); color: #fff; border-radius: 12px; padding: 12px; cursor: pointer; display: flex; flex-direction: column; gap: 4px; justify-content: flex-end; }
.mx-cell b { font: 600 15px Poppins, sans-serif; }
.mx-cell small { opacity: .85; font-size: 12.5px; }
.mx-cell:hover { border-color: var(--lens); }
.mx-cell.on { border-color: var(--amber); background: rgba(240,162,2,.18); }
.mx-y { position: absolute; left: 0; top: 0; bottom: 26px; writing-mode: vertical-rl; transform: rotate(180deg); text-align: center; font: 600 12px Poppins, sans-serif; color: #D3E0EF; }
.mx-x { position: absolute; left: 30px; right: 0; bottom: 0; text-align: center; font: 600 12px Poppins, sans-serif; color: #D3E0EF; }
.venn-cap strong { color: var(--amber); }

/* simulator additions */
.wrow { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(120px, 2fr) 36px; gap: 10px; align-items: center; margin: 8px 0; }
.wrow label { font-weight: 600; color: var(--navy); font-size: 14px; }
.wrow input[type="range"] { width: 100%; accent-color: var(--btn); }
.wrow output { font: 600 14px Poppins, sans-serif; color: var(--navy); text-align: right; }
.tblwrap { overflow-x: auto; margin-top: 10px; }
.rank { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.rank th, .rank td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
.rank th:first-child, .rank td:first-child { text-align: left; white-space: normal; }
.rank th { font: 600 12px Poppins, sans-serif; color: var(--navy); background: var(--soft); }
.rank tr.top td { font-weight: 700; color: var(--navy); background: rgba(240,162,2,.12); }
.rank td.mut { opacity: .6; }
.pick { display: grid; gap: 8px; margin-top: 10px; }
.pick .opt { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.pick .cost { font: 600 12px Poppins, sans-serif; padding: 2px 10px; border-radius: 999px; background: var(--soft); border: 1px solid var(--line); white-space: nowrap; }
.budget { display: flex; align-items: center; gap: 12px; margin: 12px 0 0; font: 600 14px Poppins, sans-serif; color: var(--navy); }
.budget .bar2 { flex: 1; } .budget.over { color: var(--no); }
.budget.over .bar2 i { background: var(--no); }

/* hero matrix motion: layout for the 3D stage, then animations only when motion is welcome */
.mx { perspective: 900px; }
.mx-stage { transform-style: preserve-3d; touch-action: pan-y; cursor: grab; transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .45s cubic-bezier(.2,.8,.2,1); }
.mx-stage.dragging { transition: none; cursor: grabbing; user-select: none; }
.mx-grid { transform-style: preserve-3d; }
.mx-cell { transform: translateZ(var(--z, 0px)); }
.mx-cell:nth-child(1) { --z: 14px; } .mx-cell:nth-child(2) { --z: 4px; } .mx-cell:nth-child(3) { --z: 8px; } .mx-cell:nth-child(4) { --z: 18px; }
.mx-ctrl { display: flex; justify-content: center; margin-top: 10px; }
@keyframes mxfloat { 0%, 100% { translate: 0 0; } 50% { translate: 0 -6px; } }
@keyframes mxglow { 0%, 100% { box-shadow: 0 0 0 0 rgba(240,162,2,.0); } 50% { box-shadow: 0 0 26px 2px rgba(240,162,2,.45); } }
@media (prefers-reduced-motion: no-preference) {
  .mx-cell { animation-name: mxfloat; animation-duration: 5.5s; animation-timing-function: ease-in-out; animation-iteration-count: infinite; animation-delay: var(--d, 0s); }
  .mx-cell:nth-child(2) { --d: -1.4s; } .mx-cell:nth-child(3) { --d: -2.8s; } .mx-cell:nth-child(4) { --d: -4.1s; }
  /* keep the float running (same name, duration, delay) and add the glow, so a pick never makes a cell jump */
  .mx-cell.on { animation-name: mxfloat, mxglow; animation-duration: 5.5s, 2.4s; animation-delay: var(--d, 0s), 0s; }
}
@media (prefers-reduced-motion: reduce) { .mx-stage { transform: none !important; transition: none; cursor: default; } }