/* ── BR Budget landing — paper & ink editorial ─────────────────────── */

:root {
  --paper: #faf9f7;
  --paper-2: #f3f1ec;
  --paper-3: #ecebe5;
  --ink: #0e0e0c;
  --ink-2: #2a2a26;
  --ink-3: #56544c;
  --ink-4: #8a8780;
  --ink-5: #b6b3aa;
  --line: rgba(14, 14, 12, 0.1);
  --line-2: rgba(14, 14, 12, 0.16);
  --hairline: rgba(14, 14, 12, 0.06);
  --tint: rgba(14, 14, 12, 0.04);
  --pos: #0a7c4a;
  --pos-soft: #d6efe1;
  --neg: #a01f1f;
  --warn: #8a6512;
  --warn-soft: #f4e6c0;
  --tint-2: rgba(14, 14, 12, 0.07);
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --shell-max: 86rem;
  --shell-pad: max(var(--gutter), calc(50vw - var(--shell-max) / 2));
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* scroll-behavior: smooth would fight ScrollTrigger pin refresh — anchors are smoothed in JS instead */

/* body's overflow-x alone doesn't stop fixed .grain (200% wide) from widening the mobile layout viewport */
html {
  overflow-x: clip;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--ink); color: var(--paper); }

em { font-style: italic; }
code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--tint);
  padding: 0.08em 0.35em;
  border-radius: 0.3em;
}

a { color: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  z-index: 100;
  font-family: var(--mono);
  font-size: 0.8rem;
}
.skip-link:focus { left: 0; }

/* ── grain ── */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 60;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

/* ── header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--gutter);
  mix-blend-mode: difference;
  color: #faf9f7;
}
.wordmark {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.wordmark-dot { color: #4eb487; }
.header-nav {
  display: flex;
  gap: 1.75rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}
.header-nav a {
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.25s;
}
.header-nav a:hover, .header-nav a:focus-visible { opacity: 1; }
.header-cta { text-decoration: underline !important; text-underline-offset: 4px; opacity: 1 !important; }

/* ── chapter rail ── */
.rail {
  position: fixed;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.rail a {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--ink-5);
  transition: color 0.3s;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.rail a::before {
  content: "";
  width: 14px;
  height: 1px;
  background: currentColor;
  transition: width 0.3s;
}
.rail a.is-active { color: var(--ink); }
.rail a.is-active::before { width: 26px; }
@media (max-width: 960px) { .rail { display: none; } }

/* ── buttons ── */
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  transition: background 0.25s, color 0.25s, transform 0.25s;
}
.btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { background: transparent; color: var(--ink); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn-big { font-size: 1rem; padding: 1.1rem 2.6rem; }

/* ── hero ── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem var(--gutter) 0;
  overflow: hidden;
  scroll-margin-top: 5.5rem;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.hero-veil {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 24% 42%, var(--paper) 0%, rgba(250, 249, 247, 0.7) 45%, transparent 75%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 60rem; }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero-eyebrow { margin-bottom: 1.6rem; }
.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.9rem, 8.5vw, 7rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  overflow: visible;
}
.hero-title em { font-weight: 400; }
.hero-lead {
  margin-top: 1.8rem;
  max-width: 32rem;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--ink-2);
}
.hero-actions {
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}
.hero-micro {
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-4);
}
.hero-strip {
  position: relative;
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: clamp(1.2rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line);
  padding: 1.2rem 0 1.4rem;
}
.strip-stat { display: flex; flex-direction: column; gap: 0.2rem; }
.strip-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.strip-num {
  font-family: var(--mono);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-variant-numeric: tabular-nums;
}
.num-pos { color: var(--pos); }
.strip-note {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--ink-5);
  align-self: center;
}
.scroll-cue {
  position: absolute;
  bottom: 5.6rem;
  right: var(--gutter);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--ink-4);
  animation: cue 2.4s ease-in-out infinite;
}
@keyframes cue {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(6px); opacity: 1; }
}

/* ── chapters (shared) ── */
.chapter {
  position: relative;
  padding: clamp(6rem, 14vh, 10rem) var(--gutter);
  border-top: 1px solid var(--hairline);
  scroll-margin-top: 5.5rem;
}
.chapter-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2.4rem;
}
.chapter-no {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--ink-4);
}
.chapter-name {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.chapter-name::before {
  content: "—— ";
  color: var(--ink-5);
}
.chapter-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.1rem, 5.4vw, 4.4rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 56rem;
  overflow: visible;
}
.chapter-lead {
  margin-top: 1.6rem;
  max-width: 34rem;
  font-size: clamp(0.98rem, 1.4vw, 1.15rem);
  color: var(--ink-3);
}

/* ── 01 problem ── */
.mystery { margin-top: 4.5rem; }
.mystery-amount { position: relative; display: inline-block; }
.mystery-num {
  font-family: var(--mono);
  font-size: clamp(2.6rem, 9vw, 6.5rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.mystery-scribble {
  position: absolute;
  left: -2%;
  bottom: -0.4em;
  width: 104%;
  height: 0.35em;
}
.mystery-scribble path {
  stroke: var(--neg);
  stroke-width: 3.4;
  stroke-linecap: round;
}
.mystery-caption {
  margin-top: 1.8rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neg);
}

/* ── 02 zasada ── */
.ineq {
  margin-top: 4rem;
  display: flex;
  align-items: baseline;
  gap: clamp(1rem, 3vw, 2.4rem);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(2.2rem, 7vw, 5.5rem);
  letter-spacing: -0.02em;
  line-height: 1;
}
.ineq-side { color: var(--ink-2); }
.ineq-sign {
  font-family: var(--mono);
  font-style: normal;
  font-weight: 600;
  color: var(--pos);
  display: inline-block;
}
.mech-list {
  margin-top: 4rem;
  list-style: none;
  border-top: 1px solid var(--line);
}
.mech-row {
  display: grid;
  grid-template-columns: minmax(16rem, 1.15fr) minmax(0, 1fr);
  gap: 1.4rem 3.5rem;
  align-items: center;
  padding: 2.8rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s;
}
.mech-row:hover { background: var(--tint); }
.mech-copy { display: flex; flex-direction: column; gap: 1.1rem; }
.mech-visual { justify-self: end; width: 100%; max-width: 26rem; }
.mech-head { display: flex; flex-direction: column; align-items: flex-start; gap: 0.8rem; }
.mech-head h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.mech-tag {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--ink-3);
}
.mech-copy p {
  font-size: 0.95rem;
  color: var(--ink-3);
  max-width: 36rem;
}
/* mini-cards — app-UI artifacts */
.mini-card {
  position: relative;
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 1.2rem 1.3rem 1.3rem;
  box-shadow: 0 22px 48px -30px rgba(14, 14, 12, 0.35);
}
.save-card { transform: rotate(-1deg); }
.pause-card { transform: rotate(0.8deg); }
.plan-card { transform: rotate(-0.6deg); }
.mc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 0.9rem;
}
.mc-pct {
  color: var(--pos);
  border: 1px solid var(--pos);
  border-radius: 999px;
  padding: 0.12rem 0.5rem;
}
.mc-status {
  color: var(--warn);
  background: var(--warn-soft);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
}
.mc-chip {
  color: var(--ink-3);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 0.12rem 0.55rem;
}
.mc-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  color: var(--ink-2);
}
.mc-amt { font-variant-numeric: tabular-nums; }
.mc-pos { color: var(--pos); }
.mc-streak {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.8rem;
  font-size: 0.65rem;
  color: var(--ink-4);
}
.mc-streak span { margin-left: 0.5rem; letter-spacing: 0.08em; }
.sd {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--paper-3);
  display: inline-block;
}
.sd-on { background: var(--pos); }
.stamp {
  position: absolute;
  right: 0.9rem;
  bottom: -0.9rem;
  display: inline-block;
  transform: rotate(-7deg);
  font-size: 0.56rem;
  line-height: 1.35;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
  color: var(--pos);
  background: var(--paper);
  border: 2px solid var(--pos);
  border-radius: 0.45rem;
  padding: 0.35rem 0.6rem;
  box-shadow: 0 8px 18px -10px rgba(10, 124, 74, 0.5);
}
.mini-card .mc-q {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--ink-3);
  margin: 0.5rem 0 0.9rem;
}
.mc-lock { display: flex; flex-direction: column; gap: 0.4rem; }
.mc-lockbar {
  height: 6px;
  border-radius: 999px;
  background: var(--tint-2);
  overflow: hidden;
}
.mc-lockbar i {
  display: block;
  height: 100%;
  width: 68%;
  border-radius: 999px;
  background: var(--ink-2);
}
.mc-lock span { font-size: 0.65rem; letter-spacing: 0.08em; color: var(--ink-4); }
.mc-decide {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.95rem;
  font-size: 0.65rem;
  color: var(--ink-4);
}
.mc-btn {
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 0.22rem 0.7rem;
  color: var(--ink-3);
  opacity: 0.75;
}
.mc-btn-neg { color: var(--neg); border-color: var(--neg); opacity: 0.55; }
/* plan card — cashflow timeline */
.pc-assume {
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  color: var(--ink-4);
  margin-bottom: 0.6rem;
}
.pc-chart { width: 100%; height: auto; display: block; overflow: visible; }
.pc-floor {
  stroke: var(--warn);
  stroke-width: 1;
  stroke-dasharray: 3 4;
  opacity: 0.8;
}
.pc-floor-label {
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  fill: var(--warn);
  opacity: 0.9;
}
.pc-curve {
  fill: none;
  stroke: var(--ink-2);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.pc-ghostline {
  fill: none;
  stroke: var(--ink-5);
  stroke-width: 1.4;
  stroke-dasharray: 4 4;
  stroke-linejoin: round;
}
.pc-dot-svg { stroke: var(--paper); stroke-width: 1.5; }
.pc-dot-svg-pos { fill: var(--pos); }
.pc-dot-svg-neg { fill: var(--neg); }
.pc-rows { margin-top: 0.7rem; border-top: 1px solid var(--hairline); }
.pc-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 0.6rem;
  padding: 0.42rem 0;
  color: var(--ink-2);
}
.pc-name small { color: var(--ink-4); font-size: 0.85em; }
.pc-when {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.pc-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.pc-dot-pos { background: var(--pos); }
.pc-dot-neg { background: var(--neg); }
.pc-dot-ghost { background: transparent; border: 1.5px dashed var(--ink-4); }
.pc-row-ghost { color: var(--ink-4); }
.pc-row-ghost .mc-amt { color: var(--ink-4); }
.pc-hint {
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  color: var(--neg);
  padding: 0 0 0.4rem 1.2rem;
}
.pc-move { text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 880px) {
  .mech-row { grid-template-columns: 1fr; gap: 1.4rem; }
  .mech-visual { justify-self: stretch; max-width: 24rem; }
  .ineq { flex-wrap: wrap; }
}

/* ── 03 sankey ── */
.sankey-stage { margin-top: 3.5rem; }
.sankey {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}
.s-flow {
  fill: none;
  stroke-linecap: butt;
  opacity: 0.82;
}
.s-ink  { stroke: var(--ink-2); }
.s-ink2 { stroke: var(--ink-3); }
.s-ink3 { stroke: var(--ink-4); }
.s-pos  { stroke: var(--pos); }
.s-neg  { stroke: var(--neg); }
.s-name {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  fill: var(--ink-2);
}
.s-name-pos { fill: var(--pos); }
.s-name-neg { fill: var(--neg); }
.s-val {
  font-family: var(--mono);
  font-size: 12px;
  fill: var(--ink-4);
}
.stage-caption {
  margin-top: 1.4rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--ink-4);
  text-transform: uppercase;
}
@media (max-width: 720px) {
  .s-name { font-size: 19px; }
  .s-val { font-size: 17px; }
}

/* ── 03 ledger ── */
.ledger-card {
  margin-top: 3.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--paper);
  box-shadow: 0 24px 60px -36px rgba(14, 14, 12, 0.25);
  overflow: hidden;
}
.ledger-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.4rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.ledger-file {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-2);
}
.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.ai-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pos);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.7); }
}
.ledger-rows { list-style: none; }
.ledger-row {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto 9rem;
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 1.4rem;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 0.85rem;
  transition: background 0.2s;
}
.ledger-row:hover { background: var(--tint); }
.lr-date { color: var(--ink-4); font-size: 0.75rem; }
.lr-desc {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink-2);
}
.lr-amt { font-variant-numeric: tabular-nums; text-align: right; }
.lr-amt-pos { color: var(--pos); }
.lr-chip {
  justify-self: end;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--ink-3);
  background: var(--paper-2);
  min-width: 7.5rem;
  text-align: center;
  transform-style: preserve-3d;
}
.lr-chip.is-set { border-color: var(--ink); color: var(--ink); background: var(--paper); }
.lr-chip-pos.is-set { border-color: var(--pos); color: var(--pos); }
.ledger-foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 1.4rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-4);
  background: var(--paper-2);
  border-top: 1px solid var(--line);
}
.ledger-approve { color: var(--ink-2); }
@media (max-width: 720px) {
  .ledger-row { grid-template-columns: 1fr auto; grid-template-areas: "desc amt" "date chip"; row-gap: 0.4rem; }
  .lr-date { grid-area: date; }
  .lr-desc { grid-area: desc; }
  .lr-amt { grid-area: amt; }
  .lr-chip { grid-area: chip; justify-self: start; min-width: 0; }
}

/* ── 04 agent (inverted) ── */
.agent {
  background: var(--ink);
  color: var(--paper);
  border-top: none;
}
.agent .chapter-no { color: var(--ink-5); }
.agent .chapter-name { color: var(--ink-5); }
.agent .chapter-lead { color: var(--ink-5); }
.agent .chapter-title { color: var(--paper); }
.agent-inner { max-width: 72rem; }
.terminal {
  margin-top: 3rem;
  max-width: 46rem;
  border: 1px solid rgba(245, 243, 238, 0.16);
  border-radius: 0.9rem;
  padding: 1.6rem 1.8rem;
  font-family: var(--mono);
  font-size: clamp(0.78rem, 1.6vw, 0.95rem);
  line-height: 2;
  background: rgba(245, 243, 238, 0.03);
  overflow-x: auto;
}
.t-line { white-space: nowrap; }
.t-method { color: #e8c66a; }
.t-dim { color: rgba(245, 243, 238, 0.45); }
.t-resp { color: rgba(245, 243, 238, 0.8); }
.t-true { color: #4eb487; }
.t-gap { margin-top: 1.2em; }
.agent-micro {
  margin-top: 1.6rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(245, 243, 238, 0.5);
}
.agent-micro code { background: rgba(245, 243, 238, 0.08); }

/* ── 05 details ── */
.details-grid {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 1rem;
  overflow: hidden;
}
.detail-card {
  background: var(--paper);
  padding: 2.2rem 1.9rem 2.6rem;
  transition: background 0.3s;
}
.detail-card:hover { background: var(--paper-2); }
.detail-no {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--ink-4);
}
.detail-card h3 {
  margin-top: 1.1rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}
.detail-card p {
  margin-top: 0.8rem;
  font-size: 0.92rem;
  color: var(--ink-3);
}
.security .chapter-lead { max-width: 58rem; }
.security-grid { grid-template-columns: repeat(2, 1fr); }
.security-card { min-height: 15rem; }
.security-proof {
  margin-top: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.2rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--paper-2);
}
.security-proof p {
  max-width: 48rem;
  color: var(--ink-3);
  font-size: 0.92rem;
}
.security-proof-kicker {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.security-more {
  flex: 0 0 auto;
  cursor: pointer;
}
.security-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  width: min(68rem, calc(100% - 2rem));
  max-height: 88svh;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  transform: translate(-50%, -50%);
}
.security-dialog::backdrop {
  background: rgba(14, 14, 12, 0.52);
  backdrop-filter: blur(6px);
}
.security-dialog-panel {
  position: relative;
  max-height: 88svh;
  overflow: auto;
  padding: clamp(1.6rem, 4vw, 3rem);
  border: 1px solid var(--line-2);
  border-radius: 1rem;
  background: var(--paper);
  box-shadow: 0 34px 90px -36px rgba(14, 14, 12, 0.72);
}
.security-dialog-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
}
.security-dialog-close:hover { background: var(--paper-2); }
.security-dialog-close:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.security-dialog h2 {
  max-width: 42rem;
  margin-top: 0.7rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.02;
}
.security-dialog-panel > p:not(.eyebrow) {
  margin-top: 1.2rem;
  max-width: 50rem;
  color: var(--ink-3);
}
.security-records {
  margin-top: 1.7rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--line);
}
.security-record {
  min-width: 0;
  background: var(--paper-2);
}
.security-record figcaption {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.security-record pre {
  overflow-x: auto;
  padding: 1rem;
  font-family: var(--mono);
  font-size: clamp(0.68rem, 1.5vw, 0.82rem);
  line-height: 1.7;
  color: var(--ink-2);
}
.security-record code {
  display: block;
  padding: 0;
  border-radius: 0;
  background: transparent;
  font-size: 1em;
}
.security-notes {
  margin-top: 1.4rem;
  padding-left: 1.1rem;
  color: var(--ink-3);
  font-size: 0.9rem;
}
.security-notes li + li { margin-top: 0.45rem; }
@media (max-width: 880px) { .details-grid { grid-template-columns: 1fr; } }
@media (max-width: 880px) {
  .security-grid, .security-records { grid-template-columns: 1fr; }
  .security-proof { align-items: stretch; flex-direction: column; }
  .security-more { width: 100%; text-align: center; }
  .security-dialog { width: calc(100% - 1rem); }
  .security-dialog-panel { border-radius: 0.8rem; }
}

/* ── gallery ── */
.gallery {
  padding: clamp(6rem, 14vh, 10rem) var(--gutter);
  border-top: 1px solid var(--hairline);
  overflow: hidden;
}
.gallery-head { margin-bottom: 4rem; }
.gallery-head .eyebrow { margin-bottom: 1.4rem; }
.g-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem) clamp(1rem, 2.5vw, 2.5rem);
}
.g-1 { grid-column: 1 / 8; }
.g-2 { grid-column: 8 / 13; margin-top: 7rem; }
.g-3 { grid-column: 1 / 6; margin-top: 2rem; }
.g-4 { grid-column: 6 / 13; margin-top: 6rem; }
.g-5 { grid-column: 3 / 11; margin-top: 3rem; }
.g-item { position: relative; }
.g-shot {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  overflow: hidden;
  box-shadow: 0 30px 70px -34px rgba(14, 14, 12, 0.45);
  transform: rotate(var(--tilt, 0deg));
}
.g-1 .g-shot { --tilt: -0.8deg; }
.g-2 .g-shot { --tilt: 0.9deg; }
.g-3 .g-shot { --tilt: 0.5deg; }
.g-4 .g-shot { --tilt: -0.6deg; }
.g-5 .g-shot { --tilt: 0.3deg; }

/* hover focus: powiększ najechany, zrób miejsce kosztem reszty */
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .g-shot {
    transition:
      transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1),
      box-shadow 0.55s ease,
      opacity 0.4s ease;
    will-change: transform;
  }
  .g-item:hover { z-index: 6; }
  .g-item:hover .g-shot {
    transform: rotate(0deg) scale(1.22);
    box-shadow: 0 48px 110px -40px rgba(14, 14, 12, 0.6);
  }
  .g-grid:has(.g-item:hover) .g-item:not(:hover) .g-shot {
    transform: rotate(var(--tilt, 0deg)) scale(0.9);
    opacity: 0.7;
  }
}
.g-shot img { display: block; width: 100%; height: auto; }
.g-shot figcaption {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.85rem 1.1rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.g-shot figcaption span {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  text-transform: none;
  color: var(--ink-4);
}
@media (max-width: 880px) {
  .g-grid { grid-template-columns: 1fr; }
  .g-1, .g-2, .g-3, .g-4, .g-5 { grid-column: 1 / -1; margin-top: 0; }
  .g-1 .g-shot, .g-2 .g-shot, .g-3 .g-shot, .g-4 .g-shot, .g-5 .g-shot { transform: none; }
}

/* ── marquee ── */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 1.1rem 0;
  background: var(--paper-2);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 26s linear infinite;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.2rem, 3vw, 2rem);
  color: var(--ink-3);
  white-space: nowrap;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  .scroll-cue { animation: none; }
  .ai-dot { animation: none; }
  .finale-video { display: none; }
}

/* ── finale ── */
.finale {
  position: relative;
  overflow: hidden;
  min-height: 78svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem var(--gutter);
}
/* multiply blends the video's whites into --paper, so the footage reads as printed on the page */
.finale-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04) brightness(1.05);
  mix-blend-mode: multiply;
  opacity: 0.35;
  pointer-events: none;
}
.finale-veil {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 72% 60% at 50% 46%, rgba(250, 249, 247, 0.6) 0%, rgba(250, 249, 247, 0.2) 52%, transparent 78%),
    linear-gradient(to bottom, var(--paper) 0%, transparent 18%, transparent 82%, var(--paper) 100%);
  pointer-events: none;
}
.finale-title,
.finale .btn-big,
.finale-micro {
  position: relative;
}
.finale-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(3rem, 10vw, 8rem);
  letter-spacing: -0.03em;
  line-height: 1;
}
.finale .btn-big { margin-top: 3rem; }
.finale-micro {
  margin-top: 1.8rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-4);
}

/* ── footer ── */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.6rem var(--gutter) 2rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-4);
}
.site-footer a { color: var(--ink-3); }
.footer-nerd code { font-size: 1em; }

/* ── wide screens: cap the content shell, keep backgrounds full-bleed ── */
.site-header,
.hero,
.chapter,
.gallery,
.finale,
.site-footer {
  padding-left: var(--shell-pad);
  padding-right: var(--shell-pad);
}
.scroll-cue { right: var(--shell-pad); }