/* Muisti landing — Käyttöohje direction.
   Tokens live in ../../design/tokens.css (the single source; read
   DESIGN-CONSTITUTION.md before changing anything visual). */

/* -- fonts: self-hosted latin subsets, 34 KB total -- */
@font-face {
  font-family: "Familjen Grotesk";
  src: url("../fonts/familjen-grotesk-var-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "Fragment Mono";
  src: url("../fonts/fragment-mono-latin.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

/* -- base -- */
*, *::before, *::after { margin: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-bottom: 96px; /* keep tabbed elements clear of the sticky bar */ }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-grotesk);
  font-size: var(--text-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--indigo); outline-offset: 3px; }
::selection { background: var(--indigo); color: #fff; }

.mono, .label { font-family: var(--font-mono); }
.label {
  font-size: var(--text-label);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--ink-soft);
}

@media (prefers-reduced-motion: no-preference) {
  .will-summon { transition: transform var(--summon), opacity var(--summon); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* -- header: the document title block -- */
.doc-head {
  display: flex; align-items: center; gap: var(--s4);
  padding: var(--s3) var(--sheet-pad);
  border-bottom: 1px solid var(--line-strong);
}
.brand-lockup { display: flex; align-items: center; gap: 10px; flex: none; }
.doc-head .logomark { height: 22px; width: 22px; }
.doc-head .wordmark { height: 22px; width: auto; }
.doc-head .doc-label { margin-inline: auto; }
.doc-head .doc-meta { text-align: right; }

/* theme toggle: a spec-row control, not an icon button */
.ink-control { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.ink-btn {
  font: inherit; letter-spacing: inherit; text-transform: inherit;
  background: none; border: 0; padding: 2px 2px 3px; cursor: pointer;
  color: var(--ink-soft); border-bottom: 1px solid transparent;
}
.ink-btn[aria-pressed="true"] { color: var(--indigo); border-bottom-color: var(--indigo); }
.ink-btn:hover { color: var(--ink); }

/* -- operation sections: numbered functional zones on the manual grid --
   The grid is declared ONCE here from tokens (--manual-cols); every section
   uses it: prose left, figures in the right rail. Collapses at 900px. */
.op {
  display: grid;
  grid-template-columns: var(--manual-cols);
  column-gap: var(--manual-gap);
  align-items: start;
  border-top: 1px solid var(--line-strong);
  padding: var(--s6) var(--sheet-pad) var(--s7);
}
.op:first-of-type { border-top: 0; }
.op-eyebrow { grid-column: 1 / -1; }
.op-prose { grid-column: 1; min-width: 0; }
.op-figure {
  grid-column: 2; min-width: 0;
  display: flex; flex-direction: column; gap: var(--s5);
}
.op-figure figure { margin: 0; }
.fig-cap { display: block; margin-top: var(--s3); line-height: 1.5; }
.object-zone { grid-column: 1 / -1; }
.op-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--track-label);
  color: var(--indigo);
  margin-bottom: var(--s5);
}
.op h2 {
  font-size: var(--text-section);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  max-width: 22ch;
  margin-bottom: var(--s4);
}
.op .body {
  max-width: 52ch;
  color: var(--ink-soft);
  margin-bottom: var(--s4);
}
.op .body strong { color: var(--ink); font-weight: 500; }

/* -- hero -- */
h1 {
  font-size: var(--text-hero);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.035em;
  max-width: 11ch;
}
.lede {
  margin-top: var(--s5);
  font-size: var(--text-lede);
  color: var(--ink-soft);
  max-width: 46ch;
}
.lede strong { color: var(--ink); font-weight: 500; }

/* spec column: the datasheet */
.spec { border-top: 1px solid var(--line-strong); font-family: var(--font-mono); font-size: var(--text-mono); }
.spec-title { padding: 10px 0; }
.spec dl { margin: 0; }
.spec dl div {
  display: flex; justify-content: space-between; gap: var(--s3);
  padding: 12px 0; border-top: 1px solid var(--line);
}
.spec dt { color: var(--ink-soft); }
.spec dd { text-align: right; }
.spec .highlight dd { color: var(--indigo); }

/* -- keycap buttons: the button language of the whole page -- */
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s3); margin-top: var(--s5); }
.btn {
  display: inline-block;
  font-family: var(--font-grotesk);
  font-size: 1rem; font-weight: 600;
  text-decoration: none;
  padding: 12px 22px 13px;
  border-radius: 10px;
  border: 2px solid var(--ink);
  transition: transform var(--instant), box-shadow var(--instant);
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 4px 0 color-mix(in srgb, var(--ink) 55%, var(--indigo));
}
.btn-secondary {
  background: var(--paper-raised);
  color: var(--ink);
  box-shadow: 0 4px 0 var(--ink);
}
.btn:hover { transform: translateY(2px); box-shadow: 0 2px 0 var(--ink); }
.btn:active { transform: translateY(4px); box-shadow: 0 0 0 var(--ink); }
.cta-note { font-family: var(--font-mono); font-size: var(--text-mono); color: var(--ink-soft); }

/* -- the object zone: keycap + live panel + shelf -- */
.object-zone {
  container-type: inline-size;
  margin-top: var(--s6);
}
.object-grid {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--s6);
  align-items: start;
}
.keycap {
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1;
  color: var(--ink);
  background: var(--paper-raised);
  border: 2px solid var(--ink);
  border-radius: var(--r-key);
  padding: 24px 40px 34px;
  box-shadow: 0 6px 0 var(--ink);
  cursor: pointer;
  transition: transform var(--instant), box-shadow var(--instant);
}
.keycap:hover { transform: translateY(2px); box-shadow: 0 4px 0 var(--ink); }
.keycap:active, .keycap.pressed { transform: translateY(6px); box-shadow: 0 0 0 var(--ink); }
.keycap-label { margin-top: var(--s3); max-width: 24ch; }

/* the dark glass object (shared by panel + shelf) */
.glass {
  position: relative;
  background: linear-gradient(160deg, var(--panel-bg-a), var(--panel-bg-b));
  border-radius: var(--r-panel);
  color: var(--panel-text);
  box-shadow: 0 24px 48px -20px rgba(16, 17, 31, 0.45), 0 4px 12px rgba(16, 17, 31, 0.12);
}
.glass::before {
  content: "";
  position: absolute; inset: -1px;
  border-radius: calc(var(--r-panel) + 1px);
  z-index: -1;
  background: linear-gradient(135deg, rgba(255,255,255,0.55), rgba(63,73,180,0.5) 40%, rgba(47,163,155,0.5));
}

.capture-panel { padding: 16px 20px 18px; max-width: 560px; }
.capture-head {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: var(--text-label);
  letter-spacing: var(--track-label); color: var(--panel-dim);
  margin-bottom: 14px;
}
.capture-input {
  width: 100%;
  background: none; border: 0; color: var(--panel-text);
  font-family: var(--font-mono); font-size: 1rem;
  caret-color: var(--teal-panel);
  padding: 2px 0;
}
.capture-input::placeholder { color: var(--panel-dim); }
.capture-input:focus { outline: none; }
.capture-panel:focus-within { outline: 2px solid var(--teal-panel); outline-offset: 3px; }
.capture-foot {
  margin-top: var(--s5);
  display: flex; gap: 20px;
  font-family: var(--font-mono); font-size: var(--text-label);
  letter-spacing: var(--track-label); color: var(--panel-dim);
}

/* shelf: where captures land */
.shelf { margin-top: var(--s4); max-width: 560px; padding: 14px 16px 8px; }
.shelf-title {
  font-family: var(--font-mono); font-size: var(--text-label);
  letter-spacing: var(--track-label); color: var(--panel-dim);
  margin-bottom: 12px;
}
.shelf ul { list-style: none; margin: 0; padding: 0; }
.shelf li {
  font-family: var(--font-mono); font-size: var(--text-mono);
  background: rgba(255,255,255,0.045);
  border-radius: var(--r-clip);
  padding: 10px 12px;
  margin-bottom: 8px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.shelf li .meta { display: block; font-size: 10px; color: var(--panel-dim); margin-top: 4px; }
.shelf li.refused { background: none; border: 1px dashed color-mix(in srgb, var(--teal-panel) 50%, transparent); }
.shelf li.refused .secret { text-decoration: line-through; color: var(--panel-dim); }
.shelf li.refused .meta { color: var(--teal-panel); }

/* -- editor comp (02) -- */
.editor-comp {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-top: 2px solid var(--ink);
  border-radius: 4px;
  padding: var(--s4) var(--s4) var(--s4);
  font-size: 0.95rem;
  line-height: 1.7;
}
.editor-comp .rendered-h { font-weight: 700; font-size: 1.35rem; letter-spacing: -0.02em; }
.editor-comp .raw {
  font-family: var(--font-mono); font-size: 0.85rem;
  background: color-mix(in srgb, var(--indigo) 8%, transparent);
  border-left: 2px solid var(--indigo);
  padding: 2px 8px; display: block;
}
.editor-comp .raw .cursor { display: inline-block; width: 8px; height: 15px; background: var(--teal); vertical-align: -2px; }
.editor-comp .task::before { content: "☑ "; color: var(--indigo); }
.editor-mode-row {
  display: flex; gap: var(--s4); margin-top: var(--s3);
  font-family: var(--font-mono); font-size: var(--text-label);
  letter-spacing: var(--track-label); color: var(--ink-soft);
}

/* -- privacy demo (03) -- */
.pw-card {
  border: 1px solid var(--line); border-top: 2px solid var(--ink);
  border-radius: 4px; background: var(--paper-raised);
  padding: var(--s4);
}
.pw-row {
  display: flex; justify-content: space-between; align-items: center; gap: var(--s3);
  font-family: var(--font-mono); font-size: var(--text-mono);
  padding: 10px 0;
}
.pw-btn {
  font-family: var(--font-mono); font-size: var(--text-mono);
  background: var(--paper); color: var(--ink);
  border: 1.5px solid var(--ink); border-radius: 8px;
  padding: 7px 12px; cursor: pointer;
  box-shadow: 0 3px 0 var(--ink);
  transition: transform var(--instant), box-shadow var(--instant);
}
.pw-btn:hover { transform: translateY(1px); box-shadow: 0 2px 0 var(--ink); }
.pw-btn:active { transform: translateY(3px); box-shadow: 0 0 0 var(--ink); }
.pw-card + .shelf { margin-top: var(--s3); }
.privacy-mechanics { font-family: var(--font-mono); font-size: var(--text-mono); border-top: 1px solid var(--line-strong); }
.privacy-mechanics div { display: flex; justify-content: space-between; gap: var(--s3); padding: 12px 0; border-bottom: 1px solid var(--line); }
.privacy-mechanics dt { color: var(--ink-soft); }
.privacy-mechanics dd { margin: 0; text-align: right; }

/* -- sync diagram (04): vertical, it lives in the rail -- */
.sync-diagram {
  display: flex; flex-direction: column; align-items: flex-start; gap: var(--s2);
  font-family: var(--font-mono); font-size: var(--text-mono);
}
.sync-diagram .sync-link { padding-left: var(--s4); }
.sync-node { border: 1.5px solid var(--ink); border-radius: 8px; padding: 10px 16px; background: var(--paper-raised); }
.sync-link { color: var(--ink-soft); }

/* -- pricing (HINNASTO) -- */
.price-table { border-top: 1px solid var(--line-strong); font-family: var(--font-mono); font-size: var(--text-mono); }
.price-table div { display: flex; justify-content: space-between; gap: var(--s3); padding: 14px 0; border-bottom: 1px solid var(--line); }
.price-table .them dt { color: var(--ink-soft); }
.price-table .them dd { color: var(--ink-soft); }
.price-table dd { margin: 0; }
.price-table .us { font-size: 1rem; }
.price-table .us dd { color: var(--indigo); font-weight: 500; }
.channel-row { display: flex; flex-wrap: wrap; gap: var(--s5); margin-top: var(--s5); }
.channel { max-width: 340px; }
.channel h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: var(--s2); }
.channel p { font-size: 0.95rem; color: var(--ink-soft); margin-bottom: var(--s3); }
.mas-badge { height: 44px; width: auto; }

/* -- FAQ -- */
.faq { max-width: 720px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; padding: var(--s3) 0;
  font-weight: 600; font-size: 1.05rem;
  list-style: none; display: flex; justify-content: space-between; gap: var(--s3);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--indigo); }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--ink-soft); padding-bottom: var(--s4); max-width: 60ch; }
.faq details p + p { margin-top: -8px; }
.faq code { font-family: var(--font-mono); font-size: 0.85em; }

/* -- FAQ marginalia -- */
.margin-note {
  border-top: 1px solid var(--line-strong);
  padding-top: 10px;
  font-family: var(--font-mono); font-size: var(--text-mono);
  color: var(--ink-soft); line-height: 1.55; max-width: 34ch;
}
.margin-note .note-tag {
  display: block; font-size: var(--text-label); letter-spacing: var(--track-label);
  text-transform: uppercase; color: var(--indigo); margin-bottom: 6px;
}

/* -- footer -- */
.doc-foot {
  border-top: 1px solid var(--line-strong);
  padding: var(--s5) var(--sheet-pad) var(--s6);
  display: grid; grid-template-columns: var(--manual-cols);
  column-gap: var(--manual-gap); row-gap: var(--s4);
}
.foot-col { display: flex; flex-direction: column; gap: var(--s2); align-items: flex-start; }
.foot-col:first-child { grid-column: 1; max-width: 52ch; }
.doc-foot .foot-col + .foot-col { grid-column: auto; }
.doc-foot a { color: var(--ink-soft); }
.doc-foot a:hover { color: var(--ink); }

/* -- sticky download bar -- */
.sticky-cta {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 10;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: var(--s2) var(--s4);
  padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom, 0px));
  background: var(--paper);
  border-top: 1px solid var(--line-strong);
  transform: translateY(101%);
}
@media (prefers-reduced-motion: no-preference) {
  .sticky-cta { transition: transform var(--summon); }
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta .btn { padding: 8px 16px 9px; font-size: 0.9rem; }
.sticky-cta .cta-note { font-size: var(--text-label); }

/* -- responsive: the manual grid collapses; figures follow their prose -- */
@media (max-width: 900px) {
  .op, .doc-foot { grid-template-columns: 1fr; }
  .op-figure { grid-column: 1; margin-top: var(--s5); max-width: 480px; }
  .doc-head .doc-meta { display: none; }
  .doc-head .doc-label { display: none; }
}
@container (max-width: 720px) {
  .object-grid { grid-template-columns: 1fr; }
}

/* -- print: it is a manual, after all -- */
@media print {
  .sticky-cta, .keycap { display: none; }
}