/* =============================================================
   Meridian Studio — shared stylesheet
   Editorial gallery system: bone & ink with one terracotta accent.
   Signature: the "datum line" — a measured-drawing motif drawn
   from the studio's home on the Prime Meridian (0° longitude).
   ============================================================= */

/* ---- Tokens ------------------------------------------------- */
:root {
  /* Color — warm neutrals tinted toward the brand hue, one accent.
     Authored in OKLCH; no pure black or white anywhere. */
  --bone:            oklch(0.960 0.011 80);   /* page ground          */
  --paper:           oklch(0.978 0.009 86);   /* raised surfaces      */
  --bone-deep:       oklch(0.928 0.014 76);   /* recessed bands       */
  --ink:             oklch(0.235 0.013 64);   /* warm near-black text */
  --ink-soft:        oklch(0.430 0.012 62);   /* secondary text       */
  --grey:            oklch(0.560 0.010 70);   /* captions, meta       */
  --line:            oklch(0.870 0.013 78);   /* hairlines            */
  --line-strong:     oklch(0.795 0.015 74);
  --terracotta:      oklch(0.586 0.108 44);   /* accent ~#A85D43      */
  --terracotta-deep: oklch(0.498 0.116 42);   /* contrast-safe links  */
  --terracotta-wash: oklch(0.930 0.030 56);   /* faint accent fill    */

  /* Type */
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --fs-display: clamp(3.1rem, 1.6rem + 6.2vw, 6.5rem);
  --fs-h1:      clamp(2.4rem, 1.55rem + 3.4vw, 4rem);
  --fs-h2:      clamp(1.95rem, 1.4rem + 2.2vw, 3rem);
  --fs-h3:      clamp(1.4rem, 1.15rem + 1vw, 1.85rem);
  --fs-h4:      clamp(1.2rem, 1.1rem + 0.4vw, 1.35rem);
  --fs-lede:    clamp(1.2rem, 1.05rem + 0.7vw, 1.5rem);
  --fs-body:    1.0625rem;
  --fs-body-lg: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --fs-label:   0.75rem;
  --fs-meta:    0.8125rem;

  /* Spacing — 4 / 8 base scale */
  --s1: 0.25rem;  --s2: 0.5rem;   --s3: 0.75rem;  --s4: 1rem;
  --s5: 1.5rem;   --s6: 2rem;     --s7: 3rem;     --s8: 4rem;
  --s9: 6rem;     --s10: 8rem;    --s11: 10rem;

  --section-y: clamp(4rem, 3rem + 6vw, 9.5rem);
  --page-pad:  clamp(1.25rem, 0.4rem + 4vw, 5rem);
  --maxw:      78rem;   /* ~1248px content frame */
  --measure:   34rem;   /* prose measure ~66ch   */

  --tick:  28px;        /* datum tick length */
  --ease:  cubic-bezier(0.22, 1, 0.36, 1);   /* ease-out-quint */
  --dur:   320ms;
}

/* ---- Reset / base ------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--bone);
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-wrap: balance;
}

p { text-wrap: pretty; }

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }

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

:focus-visible {
  outline: 2px solid var(--terracotta-deep);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---- Skip link --------------------------------------------- */
.skip-link {
  position: absolute;
  left: var(--s4); top: -100%;
  z-index: 200;
  background: var(--ink); color: var(--paper);
  padding: var(--s2) var(--s4);
  font-size: var(--fs-meta);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: var(--s4); }

/* ---- Layout primitives ------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--page-pad);
}
.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(3rem, 2rem + 4vw, 6rem); }
.band { background: var(--bone-deep); }
.band-ink { background: var(--ink); color: var(--bone); }

.lede {
  font-size: var(--fs-lede);
  line-height: 1.45;
  color: var(--ink);
  font-weight: 400;
  max-width: 30rem;
}
.measure { max-width: var(--measure); }

/* Eyebrow / datum label — the measured-drawing tick */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s3);
  font-family: var(--sans);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.eyebrow::before {
  content: "";
  width: var(--tick);
  height: 1px;
  background: var(--terracotta);
  flex: none;
}
.eyebrow--plain::before { display: none; }

/* Section header block */
.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem); }
.section-head .eyebrow { margin-bottom: var(--s5); }
.section-head h2 { font-size: var(--fs-h2); }
.section-head p { margin-top: var(--s4); color: var(--ink-soft); max-width: var(--measure); }

/* ---- Links & buttons --------------------------------------- */
.link-arrow {
  display: inline-flex;
  align-items: baseline;
  gap: var(--s2);
  font-family: var(--sans);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.link-arrow .arr { transition: transform var(--dur) var(--ease); }
.link-arrow:hover { color: var(--terracotta-deep); border-color: var(--terracotta); }
.link-arrow:hover .arr { transform: translateX(5px); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s3);
  font-family: var(--sans);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.95rem 1.6rem;
  background: var(--ink);
  color: var(--bone);
  border: 1px solid var(--ink);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.btn:hover { background: var(--terracotta-deep); border-color: var(--terracotta-deep); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.btn--on-ink { background: var(--bone); color: var(--ink); border-color: var(--bone); }
.btn--on-ink:hover { background: var(--terracotta); color: var(--paper); border-color: var(--terracotta); }

/* Inline prose link */
.tlink { color: var(--terracotta-deep); border-bottom: 1px solid var(--line-strong);
         transition: border-color var(--dur) var(--ease); }
.tlink:hover { border-color: var(--terracotta); }

/* ---- Masthead / nav ---------------------------------------- */
.masthead {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in oklch, var(--bone) 86%, transparent);
  backdrop-filter: saturate(1.1) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.masthead.is-scrolled { border-bottom-color: var(--line); }
.masthead__inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: var(--s4) var(--page-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s5);
}
.wordmark { display: inline-flex; flex-direction: column; line-height: 1; }
.wordmark__name {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.wordmark__sub {
  font-family: var(--sans);
  font-size: 0.625rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 5px;
}

.nav { display: none; }
.nav__list { display: flex; align-items: center; gap: clamp(1.25rem, 2vw, 2.5rem); list-style: none; }
.nav a {
  font-family: var(--sans);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--terracotta); }
.nav__cta {
  color: var(--ink) !important;
  border: 1px solid var(--line-strong) !important;
  border-radius: 0;
  padding: 0.55rem 1.05rem !important;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.nav__cta:hover { background: var(--ink); color: var(--bone) !important; border-color: var(--ink) !important; }

/* Mobile toggle */
.nav-toggle {
  display: inline-flex; flex-direction: column; gap: 5px;
  padding: 8px 4px;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
}
.nav-toggle span {
  display: block; width: 26px; height: 1.5px; background: var(--ink);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu panel */
.mobile-nav {
  position: fixed; inset: 0; z-index: 90;
  background: var(--bone);
  padding: calc(var(--s10) + var(--s4)) var(--page-pad) var(--s8);
  display: flex; flex-direction: column;
  transform: translateY(-100%);
  transition: transform 420ms var(--ease);
  visibility: hidden;
}
.mobile-nav.is-open { transform: translateY(0); visibility: visible; }
.mobile-nav ul { list-style: none; display: flex; flex-direction: column; gap: var(--s4); }
.mobile-nav a {
  font-family: var(--serif); font-size: clamp(2rem, 8vw, 2.75rem);
  font-weight: 500; color: var(--ink);
  display: inline-flex; align-items: baseline; gap: var(--s4);
}
.mobile-nav a .idx {
  font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.2em;
  color: var(--terracotta); font-weight: 500;
}
.mobile-nav a[aria-current="page"] { color: var(--terracotta-deep); }
.mobile-nav__foot {
  margin-top: auto; padding-top: var(--s7);
  border-top: 1px solid var(--line);
  font-size: var(--fs-meta); color: var(--ink-soft);
  display: flex; flex-direction: column; gap: var(--s2);
}
body.nav-open { overflow: hidden; }

/* ---- Hero (home) ------------------------------------------- */
.hero { position: relative; padding-top: clamp(2rem, 4vw, 4rem); }
.hero__dateline {
  display: flex; flex-wrap: wrap; gap: var(--s4) var(--s6);
  justify-content: space-between; align-items: center;
  padding-bottom: var(--s5);
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-label); letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
}
.hero__dateline .meridian { color: var(--terracotta-deep); }
.hero__grid { display: grid; gap: clamp(2rem, 4vw, 3.5rem); padding-top: clamp(2.5rem, 5vw, 5rem); }
.hero__copy { display: flex; flex-direction: column; align-items: flex-start; gap: var(--s6); }
.hero__title { font-size: var(--fs-display); font-weight: 500; }
.hero__title em { font-style: italic; color: var(--terracotta-deep); }
.hero__intro { font-size: var(--fs-lede); line-height: 1.45; color: var(--ink-soft); max-width: 30rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s4); align-items: center; }
.hero__figure { position: relative; }
.hero__figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.hero__cap {
  margin-top: var(--s3); font-size: var(--fs-meta); color: var(--grey);
  display: flex; justify-content: space-between; gap: var(--s4);
}

/* The vertical datum line — meridian motif, used once in the hero */
.datum {
  position: absolute; left: calc(var(--page-pad) - 1px); top: 0; bottom: 0;
  width: 1px; background: var(--terracotta);
  opacity: 0.45;
  display: none;
}
.datum::before {
  content: "0°"; position: absolute; top: 40%; left: 8px;
  font-size: 0.625rem; letter-spacing: 0.2em; color: var(--terracotta-deep);
  writing-mode: vertical-rl;
}

/* ---- Statement / quote band -------------------------------- */
.statement { text-align: left; }
.statement blockquote {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.8rem, 1.2rem + 2.6vw, 3.25rem);
  line-height: 1.12; letter-spacing: -0.01em;
  max-width: 24ch;
}
.statement blockquote .em { font-style: italic; color: var(--terracotta-deep); }
.statement cite {
  display: block; margin-top: var(--s6); font-style: normal;
  font-size: var(--fs-meta); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft);
}

/* ---- Featured projects (home) ------------------------------ */
.featured { display: grid; gap: clamp(2.5rem, 5vw, 5rem); }
.plate { position: relative; display: block; }
.plate__media { overflow: hidden; background: var(--bone-deep); }
.plate__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.86) contrast(1.02) brightness(1.005) sepia(0.05);
  transition: transform 600ms var(--ease), filter var(--dur) var(--ease);
}
.plate:hover .plate__media img,
a.plate:focus-visible .plate__media img { transform: scale(1.03); filter: saturate(1) contrast(1.02); }
.plate__media--tall img { aspect-ratio: 4 / 5; }
.plate__media--wide img { aspect-ratio: 16 / 10; }
.plate__meta {
  margin-top: var(--s4);
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--s4);
  border-top: 1px solid var(--line); padding-top: var(--s3);
}
.plate__cat {
  font-family: var(--sans); font-size: var(--fs-label); letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--terracotta-deep);
}
.plate__no { font-family: var(--sans); font-size: var(--fs-meta); color: var(--grey); letter-spacing: 0.08em; }
.plate__title { font-size: var(--fs-h3); margin-top: var(--s3); }
.plate__where { font-size: var(--fs-meta); color: var(--ink-soft); margin-top: var(--s2); letter-spacing: 0.02em; }
.plate__desc { margin-top: var(--s3); color: var(--ink-soft); max-width: 38ch; }

/* ---- Services list (editorial rows) ------------------------ */
.svc-list { border-top: 1px solid var(--line); }
.svc-row {
  display: grid; gap: var(--s4) var(--s6);
  grid-template-columns: 1fr;
  padding-block: clamp(1.75rem, 1.2rem + 1.5vw, 2.75rem);
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.svc-row__no { font-family: var(--serif); font-size: 1.5rem; color: var(--terracotta-deep); }
.svc-row__title { font-size: var(--fs-h3); }
.svc-row__body { color: var(--ink-soft); max-width: 52ch; }
.svc-row__list { list-style: none; display: flex; flex-wrap: wrap; gap: var(--s2) var(--s4); margin-top: var(--s4); }
.svc-row__list li {
  font-size: var(--fs-meta); color: var(--ink-soft);
  padding-left: var(--s4); position: relative;
}
.svc-row__list li::before {
  content: ""; position: absolute; left: 0; top: 0.6em;
  width: 12px; height: 1px; background: var(--terracotta);
}

/* ---- Principles / philosophy grid -------------------------- */
.principles { display: grid; gap: var(--s7); }
.principle { border-top: 1px solid var(--line-strong); padding-top: var(--s5); }
.principle__k {
  font-family: var(--sans); font-size: var(--fs-label); letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--terracotta-deep); display: block; margin-bottom: var(--s4);
}
.principle h3 { font-size: var(--fs-h3); margin-bottom: var(--s3); }
.principle p { color: var(--ink-soft); }

/* ---- Team -------------------------------------------------- */
.team { display: grid; gap: var(--s7) var(--s6); }
.member__tile {
  aspect-ratio: 3 / 4; background: var(--bone-deep);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.member__tile .mono {
  font-family: var(--serif); font-size: clamp(2.5rem, 8vw, 3.5rem);
  color: var(--terracotta-deep); letter-spacing: 0.02em;
}
.member__tile::after {
  content: ""; position: absolute; left: var(--s4); right: var(--s4); bottom: var(--s4);
  height: 1px; background: var(--line-strong);
}
.member h3 { font-size: var(--fs-h4); font-family: var(--serif); margin-top: var(--s4); }
.member .role { font-size: var(--fs-meta); color: var(--terracotta-deep); letter-spacing: 0.08em;
                text-transform: uppercase; margin-top: var(--s2); }
.member p { font-size: var(--fs-meta); color: var(--ink-soft); margin-top: var(--s3); }

/* ---- Process steps (sequential — numbering is meaningful) -- */
.process { display: grid; gap: var(--s6); counter-reset: step; }
.step {
  display: grid; gap: var(--s3) var(--s6);
  grid-template-columns: 1fr;
  padding-top: var(--s5); border-top: 1px solid var(--line);
}
.step__no {
  font-family: var(--sans); font-size: var(--fs-meta); letter-spacing: 0.16em;
  color: var(--terracotta-deep); font-weight: 600;
}
.step h3 { font-size: var(--fs-h3); }
.step p { color: var(--ink-soft); max-width: 54ch; }

/* ---- Portfolio (work) -------------------------------------- */
.filters {
  display: flex; flex-wrap: wrap; gap: var(--s3);
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line); padding-bottom: var(--s5);
}
.filter {
  font-family: var(--sans); font-size: var(--fs-meta); letter-spacing: 0.06em;
  color: var(--ink-soft); padding: 0.45rem 0.95rem;
  border: 1px solid var(--line); border-radius: 999px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}
.filter:hover { color: var(--ink); border-color: var(--line-strong); }
.filter[aria-pressed="true"] { color: var(--paper); background: var(--ink); border-color: var(--ink); }

.portfolio { display: grid; gap: clamp(2.5rem, 5vw, 4.5rem) clamp(1.5rem, 3vw, 3rem); }
.work-card { display: flex; flex-direction: column; }
.work-card[hidden] { display: none; }
.work-card__media { overflow: hidden; background: var(--bone-deep); }
.work-card__media img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
  filter: saturate(0.86) contrast(1.02) sepia(0.05);
  transition: transform 600ms var(--ease), filter var(--dur) var(--ease);
}
.work-card:hover .work-card__media img { transform: scale(1.03); filter: saturate(1); }
.work-card__head {
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--s4);
  margin-top: var(--s4); padding-top: var(--s3); border-top: 1px solid var(--line);
}
.work-card__cat { font-size: var(--fs-label); letter-spacing: 0.16em; text-transform: uppercase;
                  color: var(--terracotta-deep); }
.work-card__no { font-size: var(--fs-meta); color: var(--grey); letter-spacing: 0.08em; }
.work-card h3 { font-size: var(--fs-h3); margin-top: var(--s3); }
.work-card__where { font-size: var(--fs-meta); color: var(--ink-soft); margin-top: var(--s2); }
.work-card p { color: var(--ink-soft); margin-top: var(--s3); font-size: var(--fs-body); }

/* ---- Contact ----------------------------------------------- */
.contact-grid { display: grid; gap: var(--s8); }
.field { display: flex; flex-direction: column; gap: var(--s2); margin-bottom: var(--s5); }
.field label {
  font-family: var(--sans); font-size: var(--fs-meta); font-weight: 500;
  letter-spacing: 0.06em; color: var(--ink);
}
.field .req { color: var(--terracotta-deep); }
.field input, .field select, .field textarea {
  font: inherit; font-size: var(--fs-body);
  color: var(--ink); background: var(--paper);
  border: 1px solid var(--line-strong); border-radius: 0;
  padding: 0.85rem 1rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 9rem; }
.field input::placeholder, .field textarea::placeholder { color: var(--grey); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--terracotta-deep);
  box-shadow: 0 0 0 3px var(--terracotta-wash);
}
.field--invalid input, .field--invalid select, .field--invalid textarea { border-color: var(--terracotta-deep); }
.field__error { font-size: var(--fs-meta); color: var(--terracotta-deep); min-height: 1.1em; }
.field__error:empty { min-height: 0; }
.form-row { display: grid; gap: var(--s5); }
.form-note { font-size: var(--fs-meta); color: var(--ink-soft); margin-top: var(--s2); }

.form-success {
  border: 1px solid var(--line-strong); background: var(--paper);
  padding: var(--s6); display: none;
}
.form-success.is-visible { display: block; }
.form-success h3 { font-size: var(--fs-h3); margin-bottom: var(--s3); }
.form-success p { color: var(--ink-soft); }

.info-block { border-top: 1px solid var(--line); padding-top: var(--s4); margin-bottom: var(--s6); }
.info-block h3 { font-family: var(--sans); font-size: var(--fs-label); letter-spacing: 0.2em;
                 text-transform: uppercase; color: var(--ink-soft); font-weight: 500; margin-bottom: var(--s3); }
.info-block p, .info-block a { font-size: var(--fs-body-lg); line-height: 1.5; }
.info-block .coords { color: var(--terracotta-deep); font-size: var(--fs-meta); letter-spacing: 0.08em;
                      margin-top: var(--s3); }

/* ---- CTA band + footer ------------------------------------- */
.cta {
  background: var(--ink); color: var(--bone);
  padding-block: clamp(4rem, 3rem + 5vw, 8rem);
}
.cta__inner { display: grid; gap: var(--s6); }
.cta .eyebrow { color: color-mix(in oklch, var(--bone) 70%, transparent); }
.cta .eyebrow::before { background: var(--terracotta); }
.cta h2 { color: var(--bone); font-size: clamp(2.2rem, 1.4rem + 3.4vw, 4.25rem); max-width: 16ch; }
.cta p { color: color-mix(in oklch, var(--bone) 78%, transparent); max-width: 40ch; }

.footer { background: var(--ink); color: var(--bone); padding-top: var(--s8); }
.footer a { color: color-mix(in oklch, var(--bone) 80%, transparent); transition: color var(--dur) var(--ease); }
.footer a:hover { color: var(--terracotta); }
.footer__top { display: grid; gap: var(--s7); padding-bottom: var(--s8);
               border-bottom: 1px solid color-mix(in oklch, var(--bone) 18%, transparent); }
.footer__brand .wordmark__name { color: var(--bone); }
.footer__brand .wordmark__sub { color: color-mix(in oklch, var(--bone) 55%, transparent); }
.footer__brand p { margin-top: var(--s5); color: color-mix(in oklch, var(--bone) 70%, transparent); max-width: 34ch; }
.footer__col h4 {
  font-family: var(--sans); font-size: var(--fs-label); letter-spacing: 0.2em;
  text-transform: uppercase; color: color-mix(in oklch, var(--bone) 55%, transparent);
  font-weight: 500; margin-bottom: var(--s5);
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: var(--s3); }
.footer__col p { color: color-mix(in oklch, var(--bone) 78%, transparent); }
.footer__bottom {
  display: flex; flex-wrap: wrap; gap: var(--s4) var(--s6); justify-content: space-between;
  align-items: center; padding-block: var(--s6);
  font-size: var(--fs-meta); color: color-mix(in oklch, var(--bone) 55%, transparent);
}
.footer__bottom .meridian { color: var(--terracotta); }

/* ---- Reveal-on-scroll (progressive: hidden only when JS runs) -- */
.reveal { transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.js .reveal { opacity: 0; transform: translateY(18px); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---- Page intro (interior pages) --------------------------- */
.page-intro { padding-top: clamp(3rem, 5vw, 6rem); }
.page-intro .eyebrow { margin-bottom: var(--s5); }
.page-intro h1 { font-size: var(--fs-h1); max-width: 18ch; }
.page-intro__lede { margin-top: var(--s6); font-size: var(--fs-lede); line-height: 1.45;
                    color: var(--ink-soft); max-width: 42ch; }

/* ---- Story / prose / feature image ------------------------- */
.story-grid { display: grid; gap: var(--s5); }
.prose { color: var(--ink-soft); max-width: var(--measure); }
.prose p + p { margin-top: var(--s4); }
.story-grid__body .lede { margin-bottom: var(--s6); }

.feature-media { overflow: hidden; background: var(--bone-deep); }
.feature-media img {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
  filter: saturate(0.86) contrast(1.02) sepia(0.05);
}
.feature-cap { margin-top: var(--s3); font-size: var(--fs-meta); color: var(--grey); }

/* ---- CTA aside / footer contact --------------------------- */
.cta__aside { display: flex; flex-direction: column; align-items: flex-start; gap: var(--s6); }
.footer__contact { display: flex; flex-direction: column; gap: var(--s3); }
.footer__contact p { color: color-mix(in oklch, var(--bone) 78%, transparent); }

/* =============================================================
   Responsive — mobile first; enhancements at 768 / 1024 / 1280
   ============================================================= */
@media (min-width: 600px) {
  .form-row { grid-template-columns: 1fr 1fr; }
  .team { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .nav { display: block; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none; }

  .hero__grid { grid-template-columns: 1.05fr 1fr; align-items: center; }
  .hero__figure img { aspect-ratio: 3 / 4; }
  .datum { display: block; }

  .featured { grid-template-columns: repeat(12, 1fr); align-items: end; }
  .plate--a { grid-column: 1 / 8; }
  .plate--b { grid-column: 9 / 13; }
  .plate--c { grid-column: 1 / 6; }
  .plate--wide { grid-column: 6 / 13; }

  .svc-row { grid-template-columns: 4rem 1fr; }
  .svc-row--detail { grid-template-columns: 4rem 1.1fr 1fr; }

  .story-grid { grid-template-columns: 14rem 1fr; gap: var(--s8); }
  .story-grid__aside .eyebrow { position: sticky; top: 6.5rem; }

  .principles { grid-template-columns: repeat(2, 1fr); gap: var(--s8) var(--s7); }
  .team { grid-template-columns: repeat(2, 1fr); }
  .step { grid-template-columns: 5rem 1fr; }

  .portfolio { grid-template-columns: repeat(2, 1fr); }

  .contact-grid { grid-template-columns: 1.2fr 0.8fr; gap: var(--s9); align-items: start; }

  .cta__inner { grid-template-columns: 1.3fr 0.7fr; align-items: end; }
  .footer__top { grid-template-columns: 1.6fr 1fr 1.2fr; }
}

@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr 1.1fr; gap: clamp(3rem, 5vw, 6rem); }
  .principles { grid-template-columns: repeat(3, 1fr); }
  .team { grid-template-columns: repeat(4, 1fr); }
  .portfolio { grid-template-columns: repeat(3, 1fr); }
  .statement-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s9); align-items: center; }
}

/* ---- Motion / contrast preferences ------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal, .js .reveal { opacity: 1 !important; transform: none !important; }
}

@media print {
  .masthead, .mobile-nav, .cta, .nav-toggle { display: none; }
}