/* Hallmark · genre: editorial · macrostructure: Photographic · theme: Studio
 * tone: editorial · audience: taloyhtiöt · isännöitsijät · yritysasiakkaat
 * anchor hue: 150 · accent: forest oklch(42% 0.095 152)
 * nav: N9 Edge-aligned minimal · footer: Ft1 Mast-headed
 * hero: H6 Photographic fold · section head: S4 Inline · features: F5 Annotated plate · CTA: C3 Typographic link
 * enrichment: none — real photography (51 Unsplash plates, see images/CREDITS.md)
 * motion: link underline · CTA press (2 primitives, no scroll reveals)
 * pre-emit critique: P5 H4 E4 S4 R5 V5
 */

@import url("tokens.css");

/* ─────────────────────────── base ─────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }

html {
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: clip;   /* fallback for older Safari */
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  font-variant-numeric: oldstyle-nums;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
  min-width: 0;
  margin: 0;
}

p { margin: 0; }

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a { color: inherit; }

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

:focus-visible {
  outline: var(--rule-thick) solid var(--color-focus);
  outline-offset: 3px;
  /* never transitioned — the ring is instant */
}

.u-visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Marks a fact the client still has to supply. Deliberately visible. */
.todo {
  font-family: var(--font-plate);
  font-size: 0.9em;
  font-variant-numeric: tabular-nums;
  background: var(--color-paper-3);
  color: var(--color-muted);
  padding: var(--space-3xs) var(--space-2xs);
  border-radius: var(--radius-sm);
  overflow-wrap: anywhere;
}
.band--shade .todo {
  background: var(--color-rule-inv);
  color: var(--color-muted-inv);
}

/* ─────────────────── shared layout primitives ─────────────────── */

.band {
  padding-inline: var(--page-gutter);
}

.measure {
  max-width: 34rem;   /* ~62ch at this body size */
}

/* S4 · Inline (no break) — a small-caps phrase emerging inside the prose */
.head-inline {
  font-family: var(--font-display);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.07em;
  font-weight: 600;
  color: var(--color-accent);
}

/* C3 · Typographic link — a word, an arrow, a 1px underline */
.link {
  display: inline-block;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
  border-bottom: var(--rule-hair) solid var(--color-rule);
  padding-bottom: var(--space-3xs);
  transition: border-color var(--dur-short) var(--ease-out),
              color var(--dur-short) var(--ease-out);
}
.link:hover,
.link.is-hover { color: var(--color-accent-lift); border-bottom-color: currentColor; }
.link:active,
.link.is-active { color: var(--color-accent-lift); }
.link[aria-disabled="true"] {
  color: var(--color-neutral);
  border-bottom-color: transparent;
  pointer-events: none;
}
.link--inv { color: var(--color-accent-inv); border-bottom-color: var(--color-muted-inv); }
.link--inv:hover { color: var(--color-ink-inv); }

/* ─────────────────────── N9 · Edge-aligned nav ─────────────────────── */

.nav {
  position: relative;
  z-index: var(--z-raised);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) var(--page-gutter);
}

.nav__wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);   /* mobile-first: the pair must fit 320 px */
  letter-spacing: -0.015em;
  text-decoration: none;
  white-space: nowrap;
}
.nav__wordmark span { color: var(--color-accent); }

.nav__cta {
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  color: var(--color-ink);
  border-bottom: var(--rule-thick) solid var(--color-accent);
  padding: var(--space-xs) 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color var(--dur-micro) var(--ease-out),
              transform var(--dur-micro) var(--ease-out);
}
.nav__cta:hover,
.nav__cta.is-hover { color: var(--color-accent); }
.nav__cta:active,
.nav__cta.is-active { transform: translateY(1px); }

@media (min-width: 40rem) {
  .nav__wordmark { font-size: var(--text-md); }
  .nav__cta { font-size: var(--text-sm); letter-spacing: 0.04em; }
}

/* ─────────────────── H6 · Photographic hero fold ─────────────────── */

.hero {
  position: relative;
  isolation: isolate;
}

.hero__plate {
  width: 100%;
  height: clamp(24rem, 68dvh, 40rem);
  object-fit: cover;
  object-position: 50% 42%;
  background: var(--color-paper-3);
}

.hero__caption {
  background: var(--color-shade);
  color: var(--color-ink-inv);
  padding: var(--space-xl) var(--page-gutter) var(--space-2xl);
}

.hero__title {
  font-size: var(--text-display-s);
  font-weight: 600;
  max-width: 18ch;
  color: var(--color-ink-inv);
}

.hero__lede {
  margin-top: var(--space-md);
  max-width: 44ch;
  color: var(--color-muted-inv);
  font-size: var(--text-md);
  line-height: 1.5;
}

.hero__meta {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-inv);
  margin-bottom: var(--space-lg);
}

.hero__actions {
  margin-top: var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg) var(--space-xl);
}

/* On wide screens the caption tucks into the plate's lower-left corner */
@media (min-width: 60rem) {
  .hero { display: grid; }
  .hero__plate,
  .hero__caption { grid-area: 1 / 1; }
  .hero__plate { height: clamp(38rem, 88dvh, 56rem); }
  .hero__caption {
    align-self: end;
    justify-self: start;
    max-width: 40rem;
    background: var(--color-shade-veil);
    backdrop-filter: none;
    margin: 0 0 var(--space-2xl) 0;
    padding-block: var(--space-lg) var(--space-2xl);
    padding-inline: var(--page-gutter) var(--space-2xl);
  }
  .hero__title { font-size: var(--text-display); font-weight: 700; }
}

/* ─────────────────────────── text bands ─────────────────────────── */

.band--lede {
  padding-block: var(--space-3xl) var(--space-2xl);
}

.lede {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.4;
  font-weight: 400;
  max-width: 30ch;
}

.prose {
  margin-top: var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-base);
}
.prose p + p { margin-top: var(--space-md); }

/* Asymmetric: narrow lede column, wider prose column, offset — not 50/50 */
@media (min-width: 60rem) {
  .band--lede {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--space-4xl);
    padding-block: var(--space-4xl) var(--space-3xl);
  }
  .lede { font-size: var(--text-xl); max-width: 22ch; }
  .prose { margin-top: var(--space-sm); }
}

/* ───────────────────────── plate sequence ───────────────────────── */

.plates {
  padding-block: var(--space-xl) var(--space-3xl);
}

.plate {
  margin-block: var(--space-2xl);
}
.plate:first-of-type { margin-top: var(--space-md); }

.plate__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-paper-3);
}

.plate__caption {
  padding: var(--space-md) var(--page-gutter) 0;
  border-top: var(--rule-hair) solid var(--color-rule);
  margin-top: var(--space-md);
}

.plate__no {
  font-family: var(--font-plate);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.plate__title {
  font-size: var(--text-md);
  font-weight: 600;
  margin-top: var(--space-2xs);
  max-width: 26ch;
}

.plate__meta {
  font-family: var(--font-plate);
  font-size: var(--text-sm);
  color: var(--color-neutral);
  margin-top: var(--space-xs);
  line-height: 1.7;
}

/* Full-bleed alternating plates; captions hang on alternating sides. */
@media (min-width: 60rem) {
  .plate {
    display: grid;
    grid-template-columns: minmax(0, 2.15fr) minmax(0, 1fr);
    gap: var(--space-xl);
    align-items: end;
    margin-block: var(--space-4xl);
  }
  .plate__img { aspect-ratio: 16 / 10; }
  .plate__caption {
    padding: 0;
    border-top: none;
    margin: 0 0 var(--space-xs);
  }
  .plate--flip { grid-template-columns: minmax(0, 1fr) minmax(0, 2.15fr); }
  .plate--flip .plate__img { grid-column: 2; }
  .plate--flip .plate__caption { grid-column: 1; grid-row: 1; text-align: end; }
  /* one plate deliberately breaks the gutter — the grid-break */
  .plate--bleed { grid-template-columns: minmax(0, 1fr); }
  .plate--bleed .plate__img {
    width: calc(100% + var(--page-gutter) * 2);
    margin-inline: calc(var(--page-gutter) * -1);
    aspect-ratio: 21 / 9;
  }
  .plate--bleed .plate__caption { max-width: 46ch; margin-top: var(--space-lg); }
}

/* ────────────────── F5 · Annotated plate (työtapa) ────────────────── */

.band--shade {
  background: var(--color-shade);
  color: var(--color-ink-inv);
  padding-block: var(--space-3xl);
}
.band--shade .head-inline { color: var(--color-accent-inv); }
.band--shade .prose { color: var(--color-muted-inv); }

.annotated {
  margin: var(--space-xl) 0 0;
}
.annotated__img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--color-shade);
}

.callouts {
  list-style: none;
  margin: var(--space-lg) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-md);
  counter-reset: callout;
}
.callouts li {
  counter-increment: callout;
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: var(--space-sm);
  align-items: baseline;
  padding-block: var(--space-sm);
  border-top: var(--rule-hair) solid var(--color-rule-inv);
}
.callouts li::before {
  content: counter(callout, decimal-leading-zero);
  font-size: var(--text-sm);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent-inv);
}
.callouts strong { grid-column: 2; font-weight: 600; }
.callouts span { grid-column: 2; color: var(--color-muted-inv); line-height: 1.55; }

@media (min-width: 60rem) {
  .annotated {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: var(--space-2xl);
    align-items: start;
  }
  .callouts { margin-top: 0; }
}

/* ──────────────────────── palvelut (hairline list) ──────────────────────── */

.band--services { padding-block: var(--space-3xl); }

.services {
  margin: var(--space-xl) 0 0;
  border-top: var(--rule-hair) solid var(--color-rule);
}

.service {
  display: grid;
  gap: var(--space-2xs);
  padding-block: var(--space-lg);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}
.service h3 { font-size: var(--text-md); font-weight: 600; }
.service p { color: var(--color-muted); max-width: 52ch; }

@media (min-width: 60rem) {
  .service {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr);
    gap: var(--space-xl);
    align-items: baseline;
    padding-block: var(--space-xl);
  }
  /* uneven rhythm — the first row sits taller than the rest */
  .service:first-child { padding-top: var(--space-lg); }
}

/* ───────────────────────── tiedot + yhteys ───────────────────────── */

.band--facts {
  padding-block: var(--space-2xl) var(--space-3xl);
  background: var(--color-paper-2);
}

.facts {
  margin: var(--space-lg) 0 0;
  display: grid;
  gap: 0;
}
.facts div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-bottom: var(--rule-hair) solid var(--color-rule);
  font-size: var(--text-sm);
}
.facts dt { color: var(--color-neutral); }
.facts dd { margin: 0; font-variant-numeric: tabular-nums; }

@media (min-width: 40rem) {
  .facts div { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (min-width: 60rem) {
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-3xl); }
}

.band--contact { padding-block: var(--space-3xl); }
.contact__line {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.35;
  max-width: 24ch;
  font-weight: 400;
}
.contact__rows {
  margin-top: var(--space-xl);
  display: grid;
  gap: var(--space-lg);
}
@media (min-width: 40rem) {
  .contact__rows { grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
}
.contact__label {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-neutral);
  display: block;
  margin-bottom: var(--space-2xs);
}

/* ────────────────────── Ft1 · Mast-headed footer ────────────────────── */

.foot {
  border-top: var(--rule-thick) solid var(--color-ink);
  padding: var(--space-xl) var(--page-gutter) var(--space-2xl);
  display: grid;
  gap: var(--space-md);
}
.foot__wordmark {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.015em;
}
.foot__tagline { color: var(--color-muted); max-width: 40ch; }
.foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  font-size: var(--text-sm);
}
.foot__link {
  color: var(--color-muted);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: var(--rule-hair) solid transparent;
  padding-bottom: var(--space-3xs);
  transition: color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out);
}
.foot__link:hover { color: var(--color-accent); border-bottom-color: currentColor; }
.foot__colophon {
  font-size: var(--text-sm);
  color: var(--color-neutral);
  line-height: 1.8;
  max-width: 60ch;
}

@media (min-width: 60rem) {
  .foot {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    column-gap: var(--space-3xl);
    padding-block: var(--space-2xl) var(--space-3xl);
  }
  .foot__wordmark { grid-column: 1; }
  .foot__tagline  { grid-column: 1; }
  .foot__links    { grid-column: 2; grid-row: 1 / span 2; justify-content: end; align-content: start; }
  .foot__colophon { grid-column: 1 / -1; margin-top: var(--space-lg); }
}

/* ───────────────────────── touch + motion ───────────────────────── */

@media (pointer: coarse) {
  .link, .foot__link, .nav__cta { min-height: 44px; display: inline-flex; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
}

/* note under the plate sequence — flags the placeholder facts */
.plate__note {
  font-family: var(--font-plate);
  font-size: var(--text-sm);
  color: var(--color-neutral);
  line-height: 1.7;
  max-width: 58ch;
  margin-top: var(--space-2xl);
  padding-top: var(--space-md);
  border-top: var(--rule-hair) solid var(--color-rule);
}

/* the shade band's lede inherits inverted ink */
.band--shade .lede { color: var(--color-ink-inv); }