/* ============================================================
   The €100 Sanitisation Fee — "Line item in dispute"
   Palette: document navy ink, concrete paper, vermilion stamp,
   deep-teal action. Type: Space Grotesk / IBM Plex Mono / Source Serif 4.
   ============================================================ */

:root {
  --ink:    #17202B;
  --ink-2:  #263241;
  --paper:  #E8E7E1;
  --paper-2:#F1F0EA;
  --stamp:  #C8342B;
  --action: #22636E;
  --action-ink: #184951;
  --muted:  #6B7280;
  --line:   #C9C7BF;
  --line-dk:#3A4655;

  --f-display: "Space Grotesk", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;
  --f-serif: "Source Serif 4", Georgia, serif;

  --maxw: 74rem;
  --readw: 42rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-serif);
  font-size: 1.125rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---- i18n visibility ---- */
html.lang-en .i18n-it { display: none; }
html.lang-it .i18n-en { display: none; }

/* ---- shared ---- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: clamp(1.25rem, 5vw, 3.5rem); }

.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stamp);
  margin: 0 0 1rem;
  font-weight: 600;
}
.eyebrow-ref { color: var(--muted); }
.eyebrow-light { color: #E9A79F; }

.section-title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 4vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
  max-width: 20ch;
}
.section-title.light { color: var(--paper-2); }

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  max-width: var(--readw);
  color: var(--ink-2);
  margin: 0 0 2.5rem;
}
.lead.light { color: #C7D0DA; }

a { color: var(--action); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--action-ink); }

:focus-visible {
  outline: 3px solid var(--stamp);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============ TOP BAR ============ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem clamp(1.25rem, 5vw, 3.5rem);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: baseline; gap: 0.55rem; text-decoration: none; color: var(--ink); }
.brand-mark {
  font-family: var(--f-mono); font-weight: 600;
  background: var(--ink); color: var(--paper-2);
  padding: 0.15em 0.4em; border-radius: 3px; font-size: 0.9rem;
}
.brand-word { font-family: var(--f-display); font-weight: 600; font-size: 0.95rem; letter-spacing: -0.01em; }

.lang-switch { display: inline-flex; align-items: center; gap: 0.15rem; font-family: var(--f-mono); }
.lang-switch button {
  font: inherit; font-size: 0.8rem; font-weight: 600;
  background: none; border: none; cursor: pointer;
  color: var(--muted); padding: 0.35em 0.55em; border-radius: 3px;
  letter-spacing: 0.05em;
}
.lang-switch button[aria-pressed="true"] { color: var(--ink); background: color-mix(in srgb, var(--ink) 10%, transparent); }
.lang-switch button:hover { color: var(--ink); }
.lang-sep { color: var(--line); }

/* ============ HERO ============ */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 5.5rem) clamp(1.25rem, 5vw, 3.5rem) clamp(2rem, 5vw, 3.5rem);
}
.hero-title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6.5vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 1.5rem;
  max-width: 16ch;
}
.hero-title .hl {
  color: var(--stamp);
  white-space: nowrap;
}
.hero-sub {
  font-size: clamp(1.1rem, 1.9vw, 1.4rem);
  line-height: 1.55;
  max-width: 46ch;
  color: var(--ink-2);
  margin: 0 0 2.75rem;
}

/* ---- signature receipt object ---- */
.receipt {
  position: relative;
  margin: 0 0 2rem;
  max-width: 34rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.4rem 1.6rem 1.2rem;
  box-shadow: 0 1px 0 var(--line), 0 18px 40px -28px rgba(23,32,43,0.5);
}
.receipt::before {
  /* torn/perforated top edge feel */
  content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 4px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}
.receipt-head {
  display: flex; justify-content: flex-start; gap: 0.5rem; flex-wrap: wrap;
  font-family: var(--f-mono); font-size: 0.7rem; letter-spacing: 0.12em;
  color: var(--muted); border-bottom: 1px dashed var(--line);
  padding-bottom: 0.7rem; margin-bottom: 0.9rem;
  padding-right: 6.5rem; /* leave room for the stamp */
}
.receipt-sep { color: var(--line); }
.receipt-line {
  display: flex; align-items: baseline; gap: 0.6rem;
  font-family: var(--f-mono);
}
.receipt-item { font-weight: 600; letter-spacing: 0.06em; font-size: 1rem; }
.receipt-dots { flex: 1; border-bottom: 2px dotted var(--line); transform: translateY(-3px); }
.receipt-amt {
  font-weight: 600; font-size: clamp(1.6rem, 4vw, 2.3rem);
  color: var(--stamp);
}
.receipt-reason {
  font-family: var(--f-mono); font-size: 0.72rem; color: var(--muted);
  margin-top: 0.6rem; line-height: 1.4;
}
.receipt-note {
  font-family: var(--f-serif); font-style: italic;
  font-size: 1.02rem; color: var(--ink-2);
  margin-top: 1.1rem; padding-top: 0.9rem; border-top: 1px dashed var(--line);
}
.receipt-note .sig { display: block; font-style: normal; font-family: var(--f-mono); font-size: 0.78rem; color: var(--muted); margin-top: 0.35rem; }

.stamp {
  position: absolute; top: 0.75rem; right: 0.75rem;
  font-family: var(--f-display); font-weight: 700;
  font-size: 0.82rem; line-height: 1.05; letter-spacing: 0.05em;
  text-align: center;
  color: var(--stamp);
  border: 2.5px solid var(--stamp);
  border-radius: 5px;
  padding: 0.35rem 0.5rem;
  transform: rotate(-9deg);
  opacity: 0.92;
  mix-blend-mode: multiply;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--stamp) 35%, transparent);
  animation: stamp-in 620ms cubic-bezier(.2,.9,.25,1.4) 350ms both;
}
@keyframes stamp-in {
  0%   { transform: rotate(-26deg) scale(2.1); opacity: 0; }
  60%  { opacity: 0.95; }
  100% { transform: rotate(-9deg) scale(1); opacity: 0.9; }
}

.chips { display: flex; flex-wrap: wrap; gap: 0.55rem; padding: 0; margin: 0; list-style: none; }
.chips li {
  font-family: var(--f-mono); font-size: 0.74rem; letter-spacing: 0.02em;
  background: transparent; border: 1px solid var(--line); color: var(--ink-2);
  padding: 0.35em 0.7em; border-radius: 100px;
}

/* ============ CONTRADICTION (dark) ============ */
.contradiction {
  background: var(--ink);
  color: var(--paper-2);
  padding-block: clamp(3.5rem, 8vw, 6rem);
  margin-top: 1rem;
}
.quotes {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
  margin: 2.5rem 0 2.5rem;
}
.qcard {
  margin: 0; background: var(--ink-2);
  border: 1px solid var(--line-dk);
  border-left: 3px solid var(--action);
  border-radius: 4px; padding: 1.3rem 1.4rem;
}
.qcard-charge { border-left-color: var(--stamp); }
.q-label {
  font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: 0.05em;
  text-transform: uppercase; color: #9FB0BF; margin: 0 0 0.7rem;
}
.q-text { font-family: var(--f-serif); font-size: 1.15rem; line-height: 1.45; margin: 0 0 0.9rem; color: #F3F1EB; }
.q-text .q-more { display: block; margin-top: 0.6rem; color: #C7D0DA; font-size: 1.02rem; }
.q-src { margin: 0; font-family: var(--f-mono); font-size: 0.72rem; }
.q-src a { color: #8FC4CE; }
.qcard-charge .q-src { color: #9FB0BF; }

.reading {
  max-width: var(--readw);
  font-size: 1.1rem; line-height: 1.6; color: #D6DDE4;
  border-top: 1px solid var(--line-dk); padding-top: 1.6rem; margin: 0;
}
.reading-tag {
  display: inline-block; font-family: var(--f-mono); font-size: 0.68rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--stamp);
  border: 1px solid var(--stamp); border-radius: 3px; padding: 0.2em 0.5em;
  margin-right: 0.6rem; vertical-align: 2px;
}
.reading em { font-style: italic; color: #fff; }

/* ============ EXCHANGE / EXHIBITS ============ */
.exchange { padding-block: clamp(3.5rem, 8vw, 6rem); }
.exhibits { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.1rem; max-width: 52rem; }
.exhibit {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.2rem 1.4rem;
}
.exhibit-me { border-left: 3px solid var(--action); background: color-mix(in srgb, var(--action) 6%, var(--paper-2)); }
.exhibit-them { border-left: 3px solid var(--muted); }
.exhibit-meta {
  display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap;
  font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: 0.06em;
  color: var(--muted); margin-bottom: 0.8rem;
}
.ex-no { font-weight: 600; color: var(--ink); font-size: 0.9rem; }
.exhibit-me .ex-from { color: var(--action-ink); font-weight: 600; }
.exhibit-them .ex-from { color: var(--ink-2); font-weight: 600; }
.ex-date { margin-left: auto; }
.exhibit-body p { margin: 0; font-size: 1.06rem; line-height: 1.55; }
.exhibit-body strong { font-weight: 600; }
.tr-note { display: block; font-family: var(--f-mono); font-size: 0.66rem; color: var(--muted); margin-top: 0.5rem; letter-spacing: 0.04em; }

/* ============ PROBLEMS ============ */
.problems { padding-block: clamp(3rem, 7vw, 5rem); }
.prob-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-bottom: 2rem; }
.prob {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 4px;
  padding: 1.6rem 1.7rem;
}
.prob h3 { font-family: var(--f-display); font-weight: 600; font-size: 1.25rem; margin: 0 0 0.7rem; letter-spacing: -0.01em; }
.prob p { margin: 0; color: var(--ink-2); font-size: 1.04rem; }

.aside-question {
  border: 1px dashed var(--stamp);
  border-radius: 4px;
  padding: 1.6rem 1.8rem;
  background: color-mix(in srgb, var(--stamp) 5%, var(--paper-2));
  max-width: 52rem;
}
.aside-question h3 { font-family: var(--f-display); font-weight: 600; font-size: 1.2rem; margin: 0 0 0.7rem; color: var(--ink); }
.aside-question p { margin: 0; color: var(--ink-2); font-size: 1.04rem; }

/* ============ EVIDENCE / GALLERY ============ */
.evidence { padding-block: clamp(3rem, 7vw, 5rem); }
.gallery {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem;
  margin: 2.5rem 0 1.6rem;
}
.shot {
  margin: 0; position: relative;
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 5px;
  padding: 0.7rem;
  box-shadow: 0 14px 30px -24px rgba(23,32,43,0.5);
}
.shot img { display: block; width: 100%; height: auto; border-radius: 2px; }
.shot-tag {
  position: absolute; top: 1.15rem; left: 1.15rem; z-index: 1;
  font-family: var(--f-mono); font-size: 0.64rem; letter-spacing: 0.12em;
  background: var(--ink); color: var(--paper-2);
  padding: 0.28em 0.55em; border-radius: 3px;
}
.shot figcaption {
  font-family: var(--f-serif); font-size: 0.95rem; color: var(--ink-2);
  line-height: 1.45; padding: 0.75rem 0.4rem 0.25rem;
}
.fineprint-dark { color: var(--muted); max-width: 62rem; border-top: 1px solid var(--line); padding-top: 1.4rem; }

/* ============ GUIDE ============ */
.guide { background: var(--ink); color: var(--paper-2); padding-block: clamp(3.5rem, 8vw, 6rem); }
.guide .section-title { color: var(--paper-2); max-width: 26ch; }
.guide .eyebrow { color: #E9A79F; }
.guide-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-top: 2.5rem; }
.guide-col h3 {
  font-family: var(--f-display); font-weight: 600; font-size: 1.3rem;
  margin: 0 0 1.2rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--line-dk);
  color: #fff;
}
.checks, .steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.checks li, .steps li { font-size: 1.02rem; line-height: 1.5; color: #D6DDE4; }
.checks li { position: relative; padding-left: 1.7rem; }
.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 0.05em;
  color: #7FD1B0; font-weight: 700; font-family: var(--f-display);
}
.checks strong, .steps strong { color: #fff; font-weight: 600; }
.steps li { display: grid; grid-template-columns: auto 1fr; gap: 0.9rem; align-items: start; }
.step-n {
  font-family: var(--f-mono); font-weight: 600; font-size: 0.85rem;
  background: var(--stamp); color: #fff; width: 1.7rem; height: 1.7rem;
  display: grid; place-items: center; border-radius: 50%; flex: none;
}
.fineprint { font-family: var(--f-mono); font-size: 0.74rem; color: #9FB0BF; line-height: 1.5; margin: 1.4rem 0 0; }
.links { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.1rem; }
.links a {
  font-family: var(--f-mono); font-size: 0.76rem; color: #8FC4CE;
  border: 1px solid var(--line-dk); border-radius: 100px; padding: 0.4em 0.85em;
  text-decoration: none;
}
.links a:hover { border-color: #8FC4CE; color: #fff; }

/* ============ FOOTER ============ */
.site-foot { padding-block: clamp(3rem, 6vw, 4.5rem); background: var(--paper); }
.sign-off { font-size: 1.2rem; font-style: italic; color: var(--ink); max-width: 46ch; margin: 0 0 2.5rem; }
.verify-block { margin-bottom: 2.5rem; }
.verify-title { font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.9rem; }
.verify-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.verify-links a { font-size: 0.95rem; }
.disclaimer {
  font-family: var(--f-mono); font-size: 0.76rem; line-height: 1.65; color: var(--muted);
  border-top: 1px solid var(--line); padding-top: 1.6rem; max-width: 60rem; margin: 0;
}
.disclaimer strong { color: var(--ink-2); font-weight: 600; }

/* ============ RESPONSIVE ============ */
@media (max-width: 760px) {
  .quotes { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .prob-grid { grid-template-columns: 1fr; }
  .guide-cols { grid-template-columns: 1fr; gap: 2.2rem; }
  .hero-title .hl { white-space: normal; }
  .ex-date { margin-left: 0; width: 100%; }
}

/* ============ MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .stamp { animation: none; }
}