/* Layout: dark industrial page in horizontal bands, each band a 1180px inner rail; hero = thesis + live line-balance demo */
:root {
  --ink-0: #0a0e13;      /* page */
  --ink-1: #10161e;      /* band */
  --ink-2: #162130;      /* raised */
  --line: #223042;
  --line-2: #324458;
  --fg: #e7ebee;
  --muted: #93a0aa;
  --steel: #6f8aa0;      /* stations under takt */
  --copper: #dc7a3c;     /* accent: bottleneck, CTA */
  --copper-ink: #1a0e06;
  --copper-soft: rgba(220,122,60,.14);
  --ok: #7fb39a;

  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --rail: 1180px;
  --r: 6px;
  --header-bg: rgba(10,14,19,.86);
  --hero-veil: rgba(10,14,19,.75);
  --hero-veil-0: rgba(10,14,19,0);
  --demo-bg: rgba(16,22,30,.92);
  --cta-hover: #e98c50;
  --copper-mid: #e8b48c;
  --brand-fg: #eef2f5;
  --shadow: rgba(0,0,0,.7);
  --cv-lane: rgba(51,66,78,.55);
  --cv-stn: rgba(111,138,160,.35);
  --cv-item: rgba(147,160,170,.45);
  --cv-hot: rgba(220,122,60,.75);
  color-scheme: dark;
}
/* Jasna wersja: chłodna biel i stal, ten sam miedziany akcent */
:root[data-look="light"] {
  --ink-0: #f4f6f8; --ink-1: #e9eef2; --ink-2: #ffffff;
  --line: #d6dde4; --line-2: #c2ccd6;
  --fg: #101820; --muted: #566472; --steel: #8199ae;
  --copper: #c45f24; --copper-ink: #ffffff; --copper-soft: rgba(196,95,36,.09);
  --ok: #2f7d5b;
  --header-bg: rgba(244,246,248,.88);
  --hero-veil: rgba(244,246,248,.8);
  --hero-veil-0: rgba(244,246,248,0);
  --demo-bg: rgba(255,255,255,.95);
  --cta-hover: #d7703a;
  --copper-mid: #e9a77c;
  --brand-fg: #101820;
  --shadow: rgba(30,50,70,.18);
  --cv-lane: rgba(150,168,184,.45);
  --cv-stn: rgba(110,135,158,.4);
  --cv-item: rgba(110,128,145,.45);
  --cv-hot: rgba(196,95,36,.7);
  color-scheme: light;
}
.look-btn { background: none; border: 1px solid var(--line-2); color: var(--muted); border-radius: 999px; padding: 7px 13px; font: 500 13px var(--f-body); cursor: pointer; white-space: nowrap; transition: color .2s, border-color .2s; }
.look-btn:hover { color: var(--fg); border-color: var(--muted); }
:root[data-look="light"] .window { --ink-2: #162130; --line: #223042; --line-2: #324458; --muted: #93a0aa; --fg: #e7ebee; color: var(--fg); }
nav.main { margin-left: auto; }
.top-right { display: flex; align-items: center; gap: 14px; }
@media (max-width: 1120px) { .top-right { gap: 10px; } }
.look-btn .sh { display: none; }
body { transition: background .3s, color .3s; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--ink-0); color: var(--fg);
  font-family: var(--f-body); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--ink-0); }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; border-radius: 2px; }

.rail {
  max-width: calc(var(--rail) + 64px); margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 720px) { .rail { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }

.band { padding-block: clamp(64px, 9vw, 120px); border-top: 1px solid var(--line); }
.band.alt { background: var(--ink-1); }

.eyebrow {
  font-family: var(--f-mono); font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--copper); margin: 0 0 18px;
}
h1, h2, h3 { font-family: var(--f-display); text-wrap: balance; margin: 0; }
h1 { font-size: clamp(40px, 6.2vw, 76px); line-height: 1.02; font-weight: 750; font-stretch: 112%; letter-spacing: -.02em; }
h2 { font-size: clamp(30px, 3.8vw, 46px); line-height: 1.08; font-weight: 700; font-stretch: 108%; letter-spacing: -.015em; }
h3 { font-size: 21px; line-height: 1.25; font-weight: 650; font-stretch: 104%; }
p { margin: 0; }
.lead { font-size: clamp(18px, 1.6vw, 20px); color: var(--muted); max-width: 60ch; }
.section-head { display: grid; gap: 18px; max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }

.btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none;
  font-family: var(--f-body); font-weight: 600; font-size: 15.5px;
  padding: 13px 22px; border-radius: var(--r); border: 1px solid transparent; cursor: pointer;
  transition: background .2s, border-color .2s, transform .2s;
}
.btn-primary { background: var(--copper); color: var(--copper-ink); }
.btn-primary:hover { background: var(--cta-hover); }
.btn-ghost { border-color: var(--line-2); color: var(--fg); background: transparent; }
.btn-ghost:hover { border-color: var(--muted); }
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translateX(3px); }

/* ---------- header ---------- */
header.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: var(--header-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; min-height: 44px; }
.brand-mark { width: 44px; height: auto; display: block; filter: drop-shadow(0 2px 6px rgba(0,0,0,.5)); }
.brand-word { font-family: var(--f-display); font-weight: 600; font-stretch: 112%; font-size: 15px; letter-spacing: .34em; color: var(--brand-fg); white-space: nowrap; }
.brand-word sup { font-size: 8px; letter-spacing: 0; vertical-align: 8px; margin-left: -.2em; color: var(--muted); }
@media (max-width: 380px) { .brand-word { letter-spacing: .14em; font-size: 12px; } }
nav.main { display: flex; align-items: center; gap: 28px; }
nav.main a { text-decoration: none; font-size: 15px; padding-block: 10px; color: var(--muted); transition: color .2s; }
nav.main a:hover { color: var(--fg); }
nav.main .btn { color: var(--copper-ink); padding: 10px 18px; font-size: 14.5px; }
.menu-btn { display: none; background: none; border: 1px solid var(--line-2); color: var(--fg); border-radius: var(--r); padding: 8px 12px; font: 500 14px var(--f-body); cursor: pointer; }
@media (max-width: 1120px) {
  .menu-btn { display: inline-flex; }
  nav.main { display: none; position: absolute; left: 0; right: 0; top: 68px; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink-1); border-bottom: 1px solid var(--line);
    padding: 8px max(16px, env(safe-area-inset-right, 0px)) 20px max(16px, env(safe-area-inset-left, 0px)); }
  nav.main.open { display: flex; }
  nav.main a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
  nav.main .btn { margin-top: 16px; justify-content: center; border-bottom: 0; }
}

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(56px, 8vw, 104px) clamp(56px, 7vw, 96px); }
#flow { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: .55; }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 70% 60% at 20% 40%, var(--hero-veil-0), var(--hero-veil) 80%); }
.hero .rail { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(0,.92fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: minmax(0,1fr); } }
.hero-copy { display: grid; gap: 26px; min-width: 0; }
.hero h1 .l2 { color: var(--muted); display: block; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }

/* demo panel */
.demo { background: var(--demo-bg); border: 1px solid var(--line-2); border-radius: 10px; padding: 22px 22px 18px; min-width: 0;
  box-shadow: 0 30px 80px -30px var(--shadow); }
.demo-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.demo-title { font-family: var(--f-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.demo-takt { font-family: var(--f-mono); font-size: 13px; color: var(--fg); font-variant-numeric: tabular-nums; }
.demo-takt b { color: var(--copper); font-weight: 500; }
.chart { position: relative; height: 230px; display: grid; grid-template-columns: 34px minmax(0,1fr); }
.yaxis { position: relative; font-family: var(--f-mono); font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.yaxis span { position: absolute; right: 8px; transform: translateY(50%); }
.plot { position: relative; border-left: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.grid-line { position: absolute; left: 0; right: 0; border-top: 1px dashed var(--line); }
.bars { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 10px; padding: 0 10px; align-items: end; }
.bar { position: relative; height: 0; background: var(--steel); border-radius: 3px 3px 0 0; transition: height .5s cubic-bezier(.2,.8,.2,1), background .3s; }
.bar.over { background: var(--copper-mid); }
.bar.neck { background: var(--copper); }
.bar .v { position: absolute; top: -20px; left: 0; right: 0; text-align: center; font-family: var(--f-mono); font-size: 11.5px; color: var(--fg); font-variant-numeric: tabular-nums; }
.takt-line { position: absolute; left: 0; right: 0; border-top: 2px solid var(--copper); transition: bottom .4s cubic-bezier(.2,.8,.2,1); z-index: 3; }
.takt-line span { position: absolute; right: 0; top: -22px; font-family: var(--f-mono); font-size: 11px; color: var(--copper); background: var(--ink-1); padding: 0 4px; }
.xlabels { display: grid; grid-template-columns: 34px repeat(5, minmax(0,1fr)); gap: 0; margin-top: 8px; }
.xlabels span { font-size: 12px; color: var(--muted); text-align: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 0 2px; }
.controls { display: grid; gap: 14px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.ctl-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 14px; }
.ctl-row output { font-family: var(--f-mono); font-variant-numeric: tabular-nums; color: var(--fg); }
input[type=range] { width: 100%; height: 36px; margin: -8px 0; accent-color: var(--copper); touch-action: pan-y; }
.toggle { display: flex; align-items: center; gap: 10px; min-height: 44px; font-size: 14px; cursor: pointer; color: var(--fg); }
.toggle input { width: 18px; height: 18px; accent-color: var(--copper); }
.status { font-size: 14.5px; line-height: 1.5; padding: 12px 14px; border-radius: var(--r); background: var(--copper-soft); border: 1px solid rgba(220,122,60,.35); }
.status.ok { background: rgba(127,179,154,.1); border-color: rgba(127,179,154,.35); }
.status b { font-weight: 600; }
.demo-note { font-size: 12px; color: var(--muted); margin-top: 12px; font-family: var(--f-mono); }

/* ---------- proof strip ---------- */
.proof { border-top: 1px solid var(--line); background: var(--ink-1); }
.proof-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); }
.proof-item { padding: 28px 24px; border-left: 1px solid var(--line); display: grid; gap: 4px; }
.proof-item:first-child { border-left: 0; padding-left: 0; }
.proof-item b { font-family: var(--f-display); font-stretch: 112%; font-weight: 700; font-size: 26px; }
.proof-item span { font-size: 14.5px; color: var(--muted); }
@media (max-width: 860px) {
  .proof-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .proof-item { padding: 22px 16px; }
  .proof-item:nth-child(odd) { border-left: 0; padding-left: 0; }
  .proof-item:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.pillar { padding: 34px 30px 32px; display: grid; gap: 16px; align-content: start; border-left: 1px solid var(--line); background: var(--ink-0); transition: background .25s; min-width: 0; }
.pillar:first-child { border-left: 0; }
.pillar:hover { background: var(--ink-2); }
.pillar .glyph { width: 44px; height: 44px; }
.pillar p { color: var(--muted); font-size: 16px; }
.pillar ul { list-style: none; padding: 0; margin: 6px 0 0; display: grid; gap: 0; }
.pillar li { padding: 11px 0; border-top: 1px solid var(--line); font-size: 15px; display: flex; justify-content: space-between; gap: 12px; }
.pillar li em { font-style: normal; font-family: var(--f-mono); font-size: 11.5px; color: var(--muted); white-space: nowrap; align-self: center; }
@media (max-width: 920px) {
  .pillars { grid-template-columns: minmax(0,1fr); }
  .pillar { border-left: 0; border-top: 1px solid var(--line); }
  .pillar:first-child { border-top: 0; }
}

/* ---------- software ---------- */
.sw-grid { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 980px) { .sw-grid { grid-template-columns: minmax(0,1fr); } }
.sw-copy { display: grid; gap: 22px; min-width: 0; }
.feat { list-style: none; padding: 0; margin: 4px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px 24px; }
.feat li { font-size: 15.5px; padding-left: 18px; position: relative; }
.feat li::before { content: ""; position: absolute; left: 0; top: .6em; width: 8px; height: 8px; border: 2px solid var(--copper); border-radius: 1px; transform: rotate(45deg) scale(.8); }
@media (max-width: 520px) { .feat { grid-template-columns: minmax(0,1fr); } }

.window { background: #0e1419; border: 1px solid var(--line-2); border-radius: 10px; overflow: hidden; min-width: 0; box-shadow: 0 40px 90px -40px var(--shadow); }
.win-bar { display: flex; align-items: center; gap: 8px; padding: 11px 14px; border-bottom: 1px solid var(--line); background: var(--ink-2); }
.win-bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--line-2); display: block; }
.win-bar span { margin-left: 10px; font-family: var(--f-mono); font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.win-body { overflow-x: auto; }
.win-body svg { display: block; width: 100%; min-width: 560px; height: auto; }

.compare { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0; margin-top: clamp(48px, 6vw, 80px); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.compare > div { padding: 26px 28px; min-width: 0; }
.compare > div + div { border-left: 1px solid var(--line); background: var(--ink-2); }
.compare h3 { font-size: 15px; font-family: var(--f-mono); font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.compare > div + div h3 { color: var(--copper); }
.compare ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.compare li { font-size: 15.5px; }
.compare > div:first-child li { color: var(--muted); }
@media (max-width: 680px) { .compare { grid-template-columns: minmax(0,1fr); } .compare > div + div { border-left: 0; border-top: 1px solid var(--line); } }

.eco { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; margin-top: 16px; }
.eco-card { border: 1px solid var(--line); border-radius: 10px; padding: 22px 22px 20px; display: grid; gap: 8px; align-content: start; min-width: 0; }
.eco-card .row { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.eco-card h3 { font-size: 19px; }
.eco-card p { color: var(--muted); font-size: 15px; }
.pill { font-family: var(--f-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; padding: 4px 9px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--muted); white-space: nowrap; }
.pill.live { border-color: rgba(220,122,60,.5); color: var(--copper); }
@media (max-width: 820px) { .eco { grid-template-columns: minmax(0,1fr); } }

/* ---------- experience ---------- */
.exp-grid { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: clamp(32px, 5vw, 72px); }
@media (max-width: 920px) { .exp-grid { grid-template-columns: minmax(0,1fr); } }
.about { display: grid; gap: 22px; align-content: start; min-width: 0; }
.about p { color: var(--muted); }
.portrait { margin: 0 0 8px; position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--line-2); max-width: 460px; aspect-ratio: 1; }
.portrait img { display: block; width: 100%; height: 100%; object-fit: cover; }
.portrait::after { content: ""; position: absolute; inset: auto 0 0; height: 30%; background: linear-gradient(to top, rgba(10,14,19,.55), transparent); pointer-events: none; }
.priorities { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-family: var(--f-mono); font-size: 13px; margin-top: 4px; }
.priorities span { padding: 7px 12px; border: 1px solid var(--line-2); border-radius: var(--r); }
.priorities span:first-child { border-color: var(--copper); color: var(--copper); }
.priorities i { font-style: normal; color: var(--muted); }
blockquote { margin: 6px 0 0; padding: 0 0 0 18px; border-left: 2px solid var(--copper); font-family: var(--f-display); font-stretch: 108%; font-size: 22px; font-weight: 600; line-height: 1.3; }
blockquote cite { display: block; margin-top: 8px; font-family: var(--f-body); font-style: normal; font-size: 14px; font-weight: 400; color: var(--muted); }

.timeline { list-style: none; margin: 0 0 36px; padding: 0; display: grid; }
.timeline li { display: grid; grid-template-columns: 120px minmax(0,1fr); gap: 20px; padding: 16px 0; border-top: 1px solid var(--line); }
.timeline li:last-child { border-bottom: 1px solid var(--line); }
.timeline .when { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding-top: 3px; font-variant-numeric: tabular-nums; }
.timeline b { font-weight: 600; display: block; }
.timeline span { color: var(--muted); font-size: 15px; }
@media (max-width: 520px) { .timeline li { grid-template-columns: minmax(0,1fr); gap: 4px; } }

.cases { display: grid; gap: 14px; }
.case { border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px; background: var(--ink-0); display: grid; gap: 14px; }
.case-ctx { font-size: 14px; color: var(--muted); margin-top: -6px; }
.case dl { display: grid; grid-template-columns: 96px minmax(0,1fr); gap: 8px 16px; margin: 0; font-size: 15px; }
.case dt { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
.case dd { margin: 0; }
.case dd.res { color: var(--copper); }
@media (max-width: 520px) { .case dl { grid-template-columns: minmax(0,1fr); gap: 2px; } .case dd { margin-bottom: 8px; } }

/* ---------- opinions ---------- */
.quotes { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.quote { margin: 0; padding: 28px 28px 24px; border: 1px solid var(--line); border-radius: 10px; background: var(--ink-0); display: grid; gap: 12px; align-content: start; min-width: 0; }
.quote blockquote { border: 0; padding: 0; margin: 0; font-family: var(--f-display); font-stretch: 104%; font-size: 21px; font-weight: 600; line-height: 1.35; }
.quote blockquote::before { content: "“"; color: var(--copper); margin-right: 2px; }
.quote blockquote::after { content: "”"; color: var(--copper); }
.quote .tr { color: var(--muted); font-size: 15px; }
.quote figcaption { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 10px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 14.5px; }
.quote figcaption span { color: var(--muted); }
.quotes-foot { margin-top: 20px; font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 16px; }
.quotes-foot a { color: var(--copper); text-decoration: none; font-weight: 500; }
.quotes-foot a:hover { text-decoration: underline; }
@media (max-width: 760px) { .quotes { grid-template-columns: minmax(0,1fr); } .quote { padding: 22px 20px 20px; } .quote blockquote { font-size: 19px; } }

/* ---------- process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 0; counter-reset: s; position: relative; }
.step { padding: 0 24px 0 0; display: grid; gap: 12px; align-content: start; min-width: 0; }
.step .n { font-family: var(--f-mono); font-size: 13px; color: var(--copper); display: flex; align-items: center; gap: 12px; }
.step .n::after { content: ""; flex: 1; height: 1px; background: var(--line-2); }
.step:last-child .n::after { background: linear-gradient(90deg, var(--line-2), transparent); }
.step p { color: var(--muted); font-size: 15.5px; }
@media (max-width: 860px) { .steps { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 36px 0; } }
@media (max-width: 520px) { .steps { grid-template-columns: minmax(0,1fr); gap: 28px; } .step { padding-right: 0; } }
.values { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; margin-top: clamp(44px, 5vw, 64px); }
.value { border-top: 2px solid var(--line-2); padding-top: 18px; display: grid; gap: 8px; }
.value p { color: var(--muted); font-size: 15.5px; }
@media (max-width: 820px) { .values { grid-template-columns: minmax(0,1fr); } }

/* ---------- podcast ---------- */
.cv { position: relative; overflow: hidden; border-radius: 8px; background: linear-gradient(140deg, var(--copper), #8a3f17); aspect-ratio: 1; }
.cv img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.cv .fb { position: absolute; inset: 0; padding: 10%; display: flex; flex-direction: column; justify-content: space-between; color: #fff; }
.cv .fb small { font-family: var(--f-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; opacity: .9; }
.cv .fb b { font-family: var(--f-display); font-stretch: 75%; font-weight: 800; font-size: clamp(14px, 1.6vw, 24px); line-height: .98; text-transform: uppercase; }
.cv:not(.noimg) .fb { opacity: 0; }
.player { display: grid; grid-template-columns: 200px minmax(0,1fr); gap: clamp(20px, 3vw, 36px); align-items: center; padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-2); border-radius: 12px; background: linear-gradient(135deg, var(--ink-2), var(--ink-1)); box-shadow: 0 30px 70px -40px var(--shadow); }
.pl-body { display: grid; gap: 12px; min-width: 0; }
.pl-meta { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--copper); }
.pl-title { font-size: clamp(20px, 2.2vw, 28px); line-height: 1.2; }
.pl-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 4px; }
.pl-play { width: 56px; height: 56px; border-radius: 50%; border: 0; background: var(--copper); color: var(--copper-ink); display: grid; place-items: center; cursor: pointer; flex: none; transition: transform .15s, background .2s; }
.pl-play:hover { background: var(--cta-hover); } .pl-play:active { transform: scale(.95); }
.pl-play svg { width: 24px; height: 24px; fill: currentColor; }
.pl-play .i-pause { display: none; } .playing .pl-play .i-pause { display: inline; } .playing .pl-play .i-play { display: none; }
.pl-play.sm { width: 44px; height: 44px; } .pl-play.sm svg { width: 20px; height: 20px; }
.pl-btn { min-height: 44px; min-width: 56px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line-2); background: transparent; color: var(--fg); font: 500 14px var(--f-mono); cursor: pointer; font-variant-numeric: tabular-nums; }
.pl-btn:hover { border-color: var(--muted); }
.pl-progress { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 12px; }
.pl-time { font-family: var(--f-mono); font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
#plSeek { -webkit-appearance: none; appearance: none; width: 100%; height: 32px; margin: 0; background: transparent; cursor: pointer; --p: 0%; }
#plSeek::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--copper) var(--p), var(--line-2) var(--p)); }
#plSeek::-moz-range-track { height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--copper) var(--p), var(--line-2) var(--p)); }
#plSeek::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; margin-top: -5px; border-radius: 50%; background: var(--fg); border: 0; }
#plSeek::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--fg); border: 0; }
.pl-status { font-size: 13.5px; color: var(--muted); padding: 10px 12px; border-radius: var(--r); background: var(--copper-soft); }
@media (max-width: 640px) { .player { grid-template-columns: minmax(0,1fr); } .pl-cover { width: 160px; } }

.eps { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; margin-top: 20px; }
.ep { display: grid; grid-template-columns: 76px minmax(0,1fr); gap: 14px; align-items: center; text-align: left; padding: 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--ink-0); color: var(--fg); cursor: pointer; font: inherit; transition: border-color .2s, background .2s; min-width: 0; }
.ep:hover { border-color: var(--line-2); background: var(--ink-2); }
.ep.on { border-color: var(--copper); }
.ep .cv .fb { padding: 8px; } .ep .cv .fb b { font-size: 10px; } .ep .cv .fb small { font-size: 8px; }
.ep-txt { display: grid; gap: 4px; min-width: 0; }
.ep-meta { font-family: var(--f-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.ep.on .ep-meta { color: var(--copper); }
.ep-t { font-size: 15px; font-weight: 600; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
@media (max-width: 980px) { .eps { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 600px) { .eps { grid-template-columns: minmax(0,1fr); } }
.eps-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 18px; }
.eps-rss { color: var(--muted); font-size: 14px; }
.eps-rss:hover { color: var(--fg); }
.toolbox { border: 1px solid var(--line); border-radius: 10px; padding: clamp(24px, 3vw, 32px); display: grid; gap: 16px; align-content: start; margin-top: clamp(40px, 5vw, 64px); }
.toolbox p { color: var(--muted); font-size: 15.5px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { font-family: var(--f-mono); font-size: 12.5px; padding: 6px 10px; border-radius: 4px; background: var(--ink-2); border: 1px solid var(--line); }

.mini { position: fixed; left: 0; right: 0; bottom: 0; z-index: 55; background: var(--header-bg); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line); transform: translateY(110%); transition: transform .3s cubic-bezier(.2,.8,.2,1); padding-bottom: env(safe-area-inset-bottom, 0px); }
.mini:not(.show) { visibility: hidden; transition: transform .3s cubic-bezier(.2,.8,.2,1), visibility 0s .3s; }
.mini.show { transform: none; visibility: visible; }
.mini-bar { height: 3px; background: var(--line-2); } .mini-bar i { display: block; height: 100%; width: 0; background: var(--copper); }
.mini-in { max-width: calc(var(--rail) + 64px); margin: 0 auto; display: grid; grid-template-columns: 44px minmax(0,1fr) auto auto; gap: 12px; align-items: center; padding: 10px max(16px, env(safe-area-inset-right, 0px)) 10px max(16px, env(safe-area-inset-left, 0px)); }
.mini-cv { width: 44px; border-radius: 6px; } .mini-cv .fb { display: none; }
.mini-title { background: none; border: 0; color: var(--fg); font: 600 14.5px var(--f-body); text-align: left; cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; padding: 0; }
@media (prefers-reduced-motion: reduce) { .mini { transition: none; } }
.demo-ep { display: inline-flex; margin-top: 10px; font-size: 14px; color: var(--copper); text-decoration: none; font-weight: 500; }
.demo-ep:hover { text-decoration: underline; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: clamp(32px, 5vw, 72px); }
@media (max-width: 920px) { .contact-grid { grid-template-columns: minmax(0,1fr); } }
.contact-copy { display: grid; gap: 22px; align-content: start; }
.facts { display: grid; gap: 0; margin-top: 8px; }
.facts a { color: var(--copper); text-decoration: none; } .facts a:hover { text-decoration: underline; }
.facts div { display: grid; grid-template-columns: 120px minmax(0,1fr); gap: 16px; padding: 13px 0; border-top: 1px solid var(--line); font-size: 15.5px; }
.facts dt, .facts span:first-child { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
form.contact { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; background: var(--ink-1); border: 1px solid var(--line-2); border-radius: 10px; padding: clamp(20px, 3vw, 32px); }
.field { display: grid; gap: 7px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; font: 400 16px var(--f-body); color: var(--fg); background: var(--ink-0);
  border: 1px solid var(--line-2); border-radius: var(--r); padding: 12px 14px;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--copper); }
.form-foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; justify-content: space-between; }
.form-foot small { color: var(--muted); font-size: 13px; max-width: 44ch; }
#formMsg { grid-column: 1 / -1; }
@media (max-width: 560px) { form.contact { grid-template-columns: minmax(0,1fr); } }

footer { border-top: 1px solid var(--line); padding-block: 44px; color: var(--muted); font-size: 14px; }
.foot-brand { display: flex; align-items: center; gap: 22px; min-width: 0; }
.foot-brand img { width: 120px; height: auto; flex: none; filter: drop-shadow(0 10px 24px rgba(0,0,0,.6)); }
.foot-brand div { display: grid; gap: 8px; min-width: 0; }
@media (max-width: 520px) { .foot-brand { flex-direction: column; align-items: flex-start; } }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 32px; align-items: center; }
.foot nav { display: flex; flex-wrap: wrap; gap: 20px; }
.foot nav a { text-decoration: none; }
.foot nav a:hover { color: var(--fg); }

/* entrance: visible at rest, gentle lift when JS adds .in */
.reveal { transition: transform .7s cubic-bezier(.2,.8,.2,1), opacity .7s; }
.js .reveal.pre { transform: translateY(14px); opacity: .001; }
@media (prefers-reduced-motion: reduce) { .reveal { transition: none; } .js .reveal.pre { transform: none; opacity: 1; } .bar, .takt-line { transition: none; } }
@media (max-width: 520px) {
  .look-btn .lg { display: none; } .look-btn .sh { display: inline; }
  .top-inner { gap: 8px; } .brand { gap: 8px; } .brand-mark { width: 34px; }
  .brand-word { font-size: 12.5px; letter-spacing: .2em; }
  .look-btn, .menu-btn { padding: 7px 10px; font-size: 13px; }
}

/* ---------- subpages ---------- */
nav.main a[aria-current="page"] { color: var(--fg); }
.page-hero { padding-block: clamp(48px, 7vw, 96px) clamp(40px, 5vw, 72px); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--ink-1), var(--ink-0)); }
.page-hero .rail { display: grid; gap: 20px; }
.page-hero h1 { font-size: clamp(36px, 5vw, 60px); }
.crumbs { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px; }
.crumbs a { color: var(--muted); text-decoration: none; } .crumbs a:hover { color: var(--fg); }
.soon { display: inline-flex; align-items: center; gap: 8px; width: fit-content; font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px; border: 1px solid rgba(220,122,60,.45); color: var(--copper); background: var(--copper-soft); }
.soon::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--copper); animation: soonPulse 1.8s ease-in-out infinite; }
@keyframes soonPulse { 50% { opacity: .3; } }
@media (prefers-reduced-motion: reduce) { .soon::before { animation: none; } }
.soon.muted { border-color: var(--line-2); color: var(--muted); background: transparent; } .soon.muted::before { background: var(--muted); }
.btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; pointer-events: none; }
.btn small { font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; opacity: .85; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.cards.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 24px; background: var(--ink-0); display: grid; gap: 12px; align-content: start; min-width: 0; }
.band.alt .card { background: var(--ink-0); }
.card p, .card li { color: var(--muted); font-size: 15.5px; }
.card .row { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.card ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; }
.card .more { color: var(--copper); text-decoration: none; font-weight: 500; font-size: 15px; margin-top: 4px; }
.card .more:hover { text-decoration: underline; }
.card.hl { border-color: var(--copper); }
@media (max-width: 900px) { .cards, .cards.two { grid-template-columns: minmax(0,1fr); } }
.split { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0,1fr); } }
.flow-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 0; counter-reset: fs; }
.flow-steps li { counter-increment: fs; padding: 0 20px 0 0; display: grid; gap: 8px; align-content: start; min-width: 0; }
.flow-steps li::before { content: counter(fs, decimal-leading-zero); font-family: var(--f-mono); font-size: 13px; color: var(--copper); border-bottom: 1px solid var(--line-2); padding-bottom: 10px; }
.flow-steps b { font-family: var(--f-display); font-size: 18px; font-weight: 650; }
.flow-steps span { color: var(--muted); font-size: 15px; }
@media (max-width: 820px) { .flow-steps { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 28px 0; } }
@media (max-width: 480px) { .flow-steps { grid-template-columns: minmax(0,1fr); } }
.notice { display: grid; gap: 10px; padding: 22px 24px; border-radius: 10px; border: 1px dashed var(--line-2); background: var(--ink-1); }
.notice p { color: var(--muted); }
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 10px; padding: 0 20px; background: var(--ink-0); }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--copper); font-family: var(--f-mono); }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); padding-bottom: 16px; font-size: 15.5px; }
.toc { list-style: none; margin: 0; padding: 0; counter-reset: toc; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 32px; }
.toc li { counter-increment: toc; display: grid; grid-template-columns: 40px minmax(0,1fr) auto; gap: 12px; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--line); }
.toc li::before { content: counter(toc, decimal-leading-zero); font-family: var(--f-mono); font-size: 12px; color: var(--copper); }
.toc li span { color: var(--muted); font-size: 14px; }
@media (max-width: 760px) { .toc { grid-template-columns: minmax(0,1fr); } }
.drop { border: 2px dashed var(--line-2); border-radius: 12px; padding: 32px; text-align: center; display: grid; gap: 10px; color: var(--muted); background: var(--ink-1); }
.drop b { color: var(--fg); font-family: var(--f-display); font-size: 18px; }
form.signup { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px; align-items: end; }
form.signup .field input { min-height: 48px; }
form.signup .form-msg { grid-column: 1 / -1; }
@media (max-width: 560px) { form.signup { grid-template-columns: minmax(0,1fr); } }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--muted); grid-column: 1 / -1; }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--copper); flex: none; }
.form-msg { font-size: 14px; padding: 10px 12px; border-radius: var(--r); background: rgba(127,179,154,.1); border: 1px solid rgba(127,179,154,.35); }
.form-msg.err { background: var(--copper-soft); border-color: rgba(220,122,60,.35); }
.prose { max-width: 72ch; display: grid; gap: 14px; }
.prose p, .prose li { color: var(--muted); }
.prose ol { margin: 0; padding-left: 22px; display: grid; gap: 8px; }
.price { font-family: var(--f-display); font-stretch: 110%; font-size: 28px; font-weight: 700; color: var(--fg); }
.price small { font-family: var(--f-body); font-size: 14px; font-weight: 400; color: var(--muted); }
.foot-cols { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 24px; width: 100%; padding-top: 28px; margin-top: 8px; border-top: 1px solid var(--line); }
.foot-cols div { display: grid; gap: 8px; align-content: start; }
.foot-cols b { color: var(--fg); font-size: 13px; font-family: var(--f-mono); font-weight: 500; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 4px; }
.foot-cols a { text-decoration: none; color: var(--muted); font-size: 14.5px; } .foot-cols a:hover { color: var(--fg); }
@media (max-width: 760px) { .foot-cols { grid-template-columns: repeat(2, minmax(0,1fr)); } }
[id] { scroll-margin-top: 84px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.form-msg.err { color: #c0392b; }
.eco-card .more { color: var(--copper); text-decoration: none; font-weight: 500; font-size: 15px; } .eco-card .more:hover { text-decoration: underline; }

.pub-hero { padding-block: clamp(48px, 7vw, 88px) clamp(36px, 5vw, 56px); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--ink-1), var(--ink-0)); }
.pub-hero .rail { display: grid; gap: 18px; }
.pub-hero h1 { font-size: clamp(34px, 4.6vw, 56px); }
.mock-tag { width: fit-content; font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; padding: 5px 10px; border-radius: 4px; border: 1px dashed var(--line-2); color: var(--muted); }
.pub-stats { display: flex; flex-wrap: wrap; gap: 10px 32px; margin-top: 6px; }
.pub-stats div { display: grid; }
.pub-stats b { font-family: var(--f-display); font-stretch: 110%; font-size: 30px; font-weight: 700; }
.pub-stats span { color: var(--muted); font-size: 14px; }
.feature { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; padding: clamp(20px, 3vw, 36px);
  border: 1px solid var(--copper); border-radius: 14px; background: linear-gradient(135deg, var(--ink-2), var(--ink-1)); }
@media (max-width: 860px) { .feature { grid-template-columns: minmax(0,1fr); } }
.stack { position: relative; aspect-ratio: 0.78; max-width: 100%; }
.stack button { position: absolute; padding: 0; border: 0; background: none; cursor: zoom-in; border-radius: 4px; overflow: hidden; box-shadow: 0 18px 40px -18px rgba(0,0,0,.7); transition: transform .3s cubic-bezier(.2,.8,.2,1); }
.stack img { display: block; width: 100%; height: auto; }
.stack .s-page { width: 70%; right: 0; top: 0; transform: rotate(3deg); }
.stack .s-cover { width: 62%; left: 0; bottom: 0; transform: rotate(-4deg); border: 1px solid rgba(255,255,255,.15); }
.stack:hover .s-page { transform: rotate(5deg) translate(6px,-4px); } .stack:hover .s-cover { transform: rotate(-6deg) translate(-6px,4px); }
@media (prefers-reduced-motion: reduce) { .stack button { transition: none; } }
.f-body, .a-body { display: grid; gap: 12px; min-width: 0; }
.meta { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--copper); display: flex; flex-wrap: wrap; gap: 6px 14px; }
.meta span { color: var(--muted); }
.ribbon { width: fit-content; font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; background: var(--copper); color: var(--copper-ink); }
.a-title { font-size: clamp(19px, 1.9vw, 24px); line-height: 1.25; }
.feature .a-title { font-size: clamp(24px, 3vw, 36px); }
.a-lead { color: var(--fg); font-size: 16.5px; }
.takeaways { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.takeaways li { position: relative; padding-left: 22px; color: var(--muted); font-size: 15.5px; }
.takeaways li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 8px; height: 8px; border: 2px solid var(--copper); border-radius: 1px; transform: rotate(45deg) scale(.8); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.tags span { font-family: var(--f-mono); font-size: 11.5px; padding: 4px 8px; border-radius: 4px; background: var(--ink-2); border: 1px solid var(--line); color: var(--muted); }
.a-links { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 4px; }
.a-links a, .a-links button { color: var(--copper); text-decoration: none; font: 500 14.5px var(--f-body); background: none; border: 0; padding: 0; cursor: pointer; }
.a-links a:hover, .a-links button:hover { text-decoration: underline; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.filters button { min-height: 40px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line-2); background: transparent; color: var(--muted); font: 500 14px var(--f-body); cursor: pointer; }
.filters button[aria-pressed="true"] { background: var(--copper-soft); border-color: var(--copper); color: var(--fg); }
.arts { display: grid; gap: 16px; }
.art { display: grid; grid-template-columns: 190px minmax(0,1fr); gap: clamp(18px, 3vw, 36px); padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--ink-0); align-items: start; }
.art .stack { width: 190px; }
@media (max-width: 640px) { .art { grid-template-columns: minmax(0,1fr); } .art .stack { width: 200px; } }
.series { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .06em; color: var(--fg); padding: 4px 9px; border-radius: 4px; border: 1px solid var(--line-2); width: fit-content; }
.credit { font-size: 13px; color: var(--muted); margin-top: 20px; }
dialog.lb { border: 0; padding: 0; background: transparent; max-width: min(92vw, 720px); max-height: 92vh; }
dialog.lb::backdrop { background: rgba(5,8,12,.82); }
dialog.lb img { display: block; max-width: 100%; max-height: 86vh; width: auto; height: auto; border-radius: 6px; margin: 0 auto; }
dialog.lb p { color: #e7ebee; text-align: center; font-size: 14px; margin-top: 10px; }
dialog.lb button { position: absolute; top: 8px; right: 8px; min-width: 44px; min-height: 44px; border-radius: 50%; border: 0; background: rgba(0,0,0,.6); color: #fff; font-size: 20px; cursor: pointer; }