/* ============================================================
   PICAR STUDIO — Internal pages (work · case · services)
   Extends styles.css + home.css (nav, footer, inquiry, motion).
   Each page carries its own compositional grammar within the
   established system — no new tokens, no new motion families.
   ============================================================ */

/* ---- Nav active state (current page) ---- */
.nav__links a.is-active { color: var(--ink); }
.nav__links a.is-active::after { transform: scaleX(1); }

/* ============================================================
   PAGE HEADER — shared (work, services)
   Asymmetric: large title left, subline dropped to a right column.
   Deliberately NOT the homepage two-column hero.
   ============================================================ */
.page-header {
  padding-top: calc(var(--nav-h) + var(--space-lg));
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--line-soft);
}
.page-header--bare { border-bottom: none; }
.page-header__label { display: block; margin-bottom: var(--space-md); }
.page-header__row {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: var(--gutter) var(--space-lg);
  align-items: end;
}
.page-header__title { max-width: 14ch; }
.page-header__sub {
  color: var(--ink-soft);
  max-width: 34ch;
  padding-bottom: 8px;
}

/* ============================================================
   WORK LISTING — editorial alternating rows (not a uniform grid)
   ============================================================ */
.work-list { display: block; }
.work-row {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: var(--space-md) var(--space-lg);
  align-items: center;
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--line-soft);
}
.work-row--rev { grid-template-columns: 0.92fr 1.08fr; }
.work-row--rev .work-row__media { order: 2; }

.work-row__media {
  width: 100%;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
}
.work-row__media > .scaler {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left top;
  display: block;
}
.work-row--a .work-row__media { aspect-ratio: 16 / 11; }
.work-row--b .work-row__media { aspect-ratio: 4 / 5; }
.work-row--c .work-row__media { aspect-ratio: 5 / 4; }
.work-row--d .work-row__media { aspect-ratio: 3 / 2; }

.work-row__text { max-width: 44ch; }
.work-row--rev .work-row__text { justify-self: end; }
.work-row__index {
  display: block;
  color: var(--accent-green);
  margin-bottom: var(--space-sm);
}
.work-row__name { margin-bottom: var(--space-xs); }
.work-row__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin-bottom: var(--space-sm);
}
.work-row__line { margin-bottom: var(--space-sm); }
.work-row__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
.work-row__live {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-dark);
  background: var(--accent-green);
  padding: 13px 20px;
  border-radius: 999px;
  transition: background .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
.work-row__live:hover {
  background: #3C4B40;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(74,92,78,0.28);
}
.work-row__live .arr { font-size: 14px; }
.work-row a.work-row__name,
.work-row__name a { color: inherit; transition: color .3s var(--ease); }
.work-row__name a:hover { color: var(--accent-green); }

/* ============================================================
   CASE STUDY (VAGA) — left-rail label, right measure body
   ============================================================ */
.cs-hero {
  padding-top: calc(var(--nav-h) + var(--space-lg));
  padding-bottom: var(--space-md);
}
.cs-hero__name { max-width: 16ch; margin-bottom: var(--space-md); }
.cs-hero__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md) var(--space-lg);
  align-items: end;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--line-soft);
}
.cs-hero__tags { display: flex; flex-direction: column; gap: 10px; }
.cs-hero__sub { color: var(--ink-soft); max-width: 30ch; justify-self: start; }
.cs-hero__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-top: var(--space-md);
  border-radius: 2px;
  position: relative;
}
.cs-hero__image > .scaler {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.cs-section {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--line-soft);
}
.cs-section__grid {
  display: grid;
  grid-template-columns: 0.26fr 0.74fr;
  gap: var(--gutter) var(--space-lg);
  align-items: start;
}
.cs-section__label { position: sticky; top: calc(var(--nav-h) + 24px); }
.cs-section__body { display: flex; flex-direction: column; gap: var(--space-sm); }
.cs-section__body .body { max-width: 60ch; }
.cs-section__body .body--lead {
  font-size: clamp(20px, 1.9vw, 25px);
  line-height: 1.4;
  color: var(--ink);
  max-width: 30ch;
}

/* Key interfaces gallery */
.cs-gallery {
  padding-block: var(--space-md) var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gutter);
}
.cs-gallery__wide { grid-column: 1 / -1; aspect-ratio: 16 / 9; border-radius: 2px; }
.cs-gallery__a,
.cs-gallery__b { aspect-ratio: 4 / 5; border-radius: 2px; }

/* ---- Live-site link (hero) — real UI element, credibility signal ---- */
.cs-hero__live {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-dark);
  background: var(--accent-green);
  padding: 13px 20px;
  border-radius: 999px;
  width: fit-content;
  transition: background .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
.cs-hero__live:hover {
  background: #3C4B40;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(74,92,78,0.28);
}
.cs-hero__live .arr { font-size: 14px; }

/* ---- Live-site CTA (end of case study) ---- */
.live-cta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-top: 1px solid var(--line-soft);
}
.live-cta__url { color: var(--mid); }
.live-cta__link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: var(--subhead);
  font-weight: 400;
  color: var(--accent-green);
  transition: gap .35s var(--ease);
}
.live-cta__link:hover { gap: 24px; }
.live-cta__link .arr { transition: transform .4s var(--ease); }
.live-cta__link:hover .arr { transform: translateX(6px); }

/* ============================================================
   HERO GRAMMAR VARIANTS — each project opens differently
   ============================================================ */

/* AUREL — typographic & dense: headline left, tall image right */
.cs-hero--type { padding-bottom: var(--space-lg); }
.cs-hero--type .cs-hero__split {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: var(--space-md) var(--space-lg);
  align-items: end;
}
.cs-hero--type .cs-hero__name {
  max-width: none;
  font-size: clamp(40px, 5.4vw, 78px);
  margin-bottom: var(--space-sm);
}
.cs-hero--type .cs-hero__lead { display: flex; flex-direction: column; gap: var(--space-sm); }
.cs-hero--type .cs-hero__tagrow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: baseline;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--line-soft);
}
.cs-hero--type .cs-hero__image {
  margin-top: 0;
  aspect-ratio: 3 / 4;
  align-self: stretch;
}

/* Full-width establishing screenshot (real image) below a type hero */
.cs-hero__shot {
  width: 100%;
  aspect-ratio: 2 / 1;
  margin-top: var(--space-md);
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  border: 1px solid var(--line-soft);
}

/* ---- Real interface captures (screenshots) ---- */
.slot img.scaler,
.cs-hero__shot img.scaler {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md) var(--gutter);
  padding-block: var(--space-md) var(--space-lg);
}
.shot { display: flex; flex-direction: column; gap: 16px; }
.shot--wide { grid-column: 1 / -1; }
.shot__frame {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  border: 1px solid var(--line-soft);
  background: var(--base-warm);
  aspect-ratio: 16 / 10;
}
.shot--wide .shot__frame { aspect-ratio: 2 / 1; }
.shot__frame img.scaler {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.shot__cap {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--mid);
}
.shot__cap b { font-weight: 400; opacity: 0.6; }

/* Ro København — nordic air: centered, generous whitespace, light */
.cs-hero--air {
  padding-top: calc(var(--nav-h) + var(--space-xl));
  padding-bottom: var(--space-lg);
  text-align: center;
}
.cs-hero--air .cs-hero__name {
  max-width: 18ch;
  margin: var(--space-md) auto var(--space-md);
  font-weight: 300;
  letter-spacing: 0.04em;
}
.cs-hero--air .cs-hero__sub {
  max-width: 40ch;
  margin: 0 auto;
  color: var(--ink-soft);
}
.cs-hero--air .cs-hero__metarow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: 12px 26px;
  margin-top: var(--space-md);
}
.cs-hero--air .cs-hero__image {
  margin-top: var(--space-lg);
  aspect-ratio: 21 / 9;
}

/* Novera — institutional: name + KPI strip + image */
.cs-hero--inst { padding-bottom: var(--space-md); }
.cs-hero--inst .cs-hero__name { max-width: 20ch; }
.cs-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm) var(--space-lg);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--line-soft);
}
.cs-kpi { display: flex; flex-direction: column; gap: 8px; }
.cs-kpi__num {
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.cs-kpi__label { color: var(--mid); }

/* ---- Context layout variants (vary text/image proportion per page) ---- */
/* AUREL: label on top, dense two-column body */
.cs-section--cols .cs-section__grid { grid-template-columns: 1fr; }
.cs-section--cols .cs-section__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}
.cs-section--cols .cs-section__label { position: static; margin-bottom: var(--space-md); display: block; }
.cs-section--cols .cs-section__body .body { max-width: 42ch; }

/* Ro: airy single wide measure, label on top */
.cs-section--air .cs-section__grid { grid-template-columns: 1fr; }
.cs-section--air .cs-section__label { position: static; margin-bottom: var(--space-md); display: block; }
.cs-section--air .cs-section__body { gap: var(--space-md); }
.cs-section--air .cs-section__body .body { max-width: 56ch; font-size: clamp(17px, 1.4vw, 20px); line-height: 1.72; }
.cs-section--air .cs-section__body .body--lead { max-width: 38ch; }

/* ============================================================
   INQUIRY PAGE — a letter, not a form. Invitation left, letter right.
   ============================================================ */
.inq {
  padding-top: calc(var(--nav-h) + var(--space-lg));
  padding-bottom: var(--space-xl);
}
.inq__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-md) var(--space-lg);
  align-items: start;
}
.inq__aside { position: sticky; top: calc(var(--nav-h) + var(--space-md)); display: flex; flex-direction: column; gap: var(--space-md); }
.inq__statement { max-width: 16ch; }
.inq__note { color: var(--ink-soft); max-width: 34ch; }
.inq__meta { display: flex; flex-direction: column; gap: 10px; padding-top: var(--space-sm); border-top: 1px solid var(--line-soft); }
.inq__meta a { color: var(--ink); transition: color .3s var(--ease); }
.inq__meta a:hover { color: var(--accent-green); }

/* The letter — generous vertical rhythm between fields */
.letter { display: flex; flex-direction: column; gap: clamp(48px, 5vw, 76px); }
.letter__body { display: flex; flex-direction: column; gap: clamp(56px, 6vw, 88px); }
.letter__row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(56px, 6vw, 88px) var(--space-lg); align-items: end; }
.field { display: flex; flex-direction: column; gap: 16px; }
.field--full { grid-column: 1 / -1; }
.field > label {
  font-size: var(--label);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--mid);
}
.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 300;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 10px 0 18px;
  border-radius: 0;
  transition: border-color .3s var(--ease);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 124px; line-height: 1.55; }
.field select { -webkit-appearance: none; appearance: none; cursor: pointer; }
.field input::placeholder,
.field textarea::placeholder { color: var(--mid); opacity: 0.7; font-weight: 300; }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--accent-green); }

.letter__foot { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-md); flex-wrap: wrap; padding-top: var(--space-sm); border-top: 1px solid var(--line-soft); }
.letter__hint { color: var(--mid); max-width: 30ch; }
.letter__send {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: var(--subhead);
  font-weight: 400;
  color: var(--accent-green);
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  transition: gap .35s var(--ease);
}
.letter__send:hover { gap: 24px; }
.letter__send .arr { transition: transform .4s var(--ease); }
.letter__send:hover .arr { transform: translateX(6px); }

/* Sent acknowledgment */
.letter__sent { display: none; flex-direction: column; gap: var(--space-sm); }
.letter.is-sent .letter__body { display: none; }
.letter.is-sent .letter__sent { display: flex; }
.letter__sent .display { max-width: 18ch; }

/* Next case */
.next-case {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-top: 1px solid var(--line-soft);
}
.next-case__link {
  font-size: var(--subhead);
  font-weight: 400;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  transition: gap .35s var(--ease), color .35s var(--ease);
}
.next-case__link:hover { gap: 26px; color: var(--accent-green); }

/* ============================================================
   SERVICES — three stacked tiers, each its own composition
   (no parallel columns, no numbered principles)
   ============================================================ */
.tiers { display: block; }
.tier {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--line-soft);
}
.tier__name { margin-bottom: var(--space-sm); }
.tier__desc { color: var(--ink-soft); }
.tier__built {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: var(--space-md);
}
.tier__built .label { color: var(--mid); }
.tier__built span:last-child { color: var(--ink); }
.tier__prompt { margin-top: var(--space-md); }

.cap-list { list-style: none; margin: 0; padding: 0; }
.cap-list li {
  padding-block: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: clamp(18px, 1.5vw, 22px);
  font-weight: 400;
  line-height: 1.3;
  color: var(--ink);
}
.cap-list li:last-child { border-bottom: 1px solid var(--line-soft); }

/* Tier A — split: text left, capabilities right */
.tier--split .tier__grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: var(--gutter) var(--space-lg);
  align-items: start;
}
.tier--split .tier__lead { max-width: 40ch; }

/* Tier B — full width: descriptor spans, capabilities as two columns below */
.tier--full .tier__lead { max-width: 36ch; }
.tier--full .tier__desc { max-width: 64ch; font-size: clamp(18px, 1.6vw, 22px); line-height: 1.5; color: var(--ink); }
.tier--full .tier__caps-wrap {
  margin-top: var(--space-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--space-lg);
}
.tier--full .cap-list--split li:nth-child(-n+3) { border-top: 1px solid var(--line-soft); }

/* Tier C — reversed split: capabilities left, text right */
.tier--rev .tier__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--gutter) var(--space-lg);
  align-items: start;
}
.tier--rev .tier__caps { order: 1; }
.tier--rev .tier__lead { order: 2; max-width: 40ch; }

/* Cross-capability note */
.cross-note { padding-block: var(--space-lg) var(--space-md); border-top: 1px solid var(--line-soft); }
.cross-note .body { max-width: 60ch; font-size: clamp(17px, 1.4vw, 20px); line-height: 1.6; color: var(--ink); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 920px) {
  .page-header { padding-top: calc(var(--nav-h) + var(--space-md)); }
  .page-header__row { grid-template-columns: 1fr; gap: var(--space-md); align-items: start; }
  .page-header__title { max-width: 18ch; }
  .page-header__sub { max-width: none; padding-bottom: 0; }

  .work-row,
  .work-row--rev { grid-template-columns: 1fr; gap: var(--space-md); }
  .work-row--rev .work-row__media { order: 0; }
  .work-row__text,
  .work-row--rev .work-row__text { max-width: none; justify-self: start; }
  .work-row--a .work-row__media,
  .work-row--b .work-row__media,
  .work-row--c .work-row__media,
  .work-row--d .work-row__media { aspect-ratio: 16 / 10; }
  .work-row__media > .scaler { object-position: center top; }

  .cs-hero__name { max-width: none; }
  .cs-hero__meta { grid-template-columns: 1fr; gap: var(--space-sm); align-items: start; }
  .cs-hero__sub { max-width: none; }
  .cs-section__grid { grid-template-columns: 1fr; gap: var(--space-sm); }
  .cs-section__label { position: static; }
  .cs-gallery { grid-template-columns: 1fr; }

  /* Hero variants collapse to single column */
  .cs-hero--type .cs-hero__split { grid-template-columns: 1fr; gap: var(--space-md); align-items: start; }
  .cs-hero--type .cs-hero__image { aspect-ratio: 16 / 10; }
  .cs-hero--air { padding-top: calc(var(--nav-h) + var(--space-lg)); text-align: left; }
  .cs-hero--air .cs-hero__name { margin-inline: 0; max-width: none; }
  .cs-hero--air .cs-hero__sub { margin-inline: 0; max-width: none; }
  .cs-hero--air .cs-hero__metarow { justify-content: flex-start; }
  .cs-hero--air .cs-hero__image { aspect-ratio: 16 / 10; margin-top: var(--space-md); }
  .cs-kpis { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
  .cs-section--cols .cs-section__body { grid-template-columns: 1fr; gap: var(--space-md); }
  .shots { grid-template-columns: 1fr; }
  .cs-hero__shot { aspect-ratio: 16 / 10; }
  .live-cta { flex-direction: column; gap: var(--space-xs); align-items: flex-start; }

  .inq { padding-top: calc(var(--nav-h) + var(--space-md)); }
  .inq__grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .inq__aside { position: static; }
  .inq__statement, .inq__note { max-width: none; }
  .letter__row { grid-template-columns: 1fr; }

  .tier--split .tier__grid,
  .tier--rev .tier__grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .tier--rev .tier__caps { order: 0; }
  .tier--rev .tier__lead { order: 0; }
  .tier--full .tier__caps-wrap { grid-template-columns: 1fr; gap: 0; }
  .tier--split .tier__lead,
  .tier--rev .tier__lead,
  .tier--full .tier__lead { max-width: none; }
}

@media (max-width: 560px) {
  .page-header { padding-bottom: 80px; }
  .work-row { padding-block: 64px; }
  .cs-section,
  .tier { padding-block: 72px; }
  .next-case { flex-direction: column; gap: var(--space-xs); }
  .cs-kpis { grid-template-columns: 1fr 1fr; }
}