/* ============================================================
   STORY FORMED — shared stylesheet
   Linked from every page. Edit tokens here; changes propagate
   across the whole site (file-per-page model, no build step).
   Brand: architectural black & white · blueprint drafting sheet
   Type:  Cormorant Garamond (voice) + Share Tech Mono (drawing)
   ============================================================ */

/* ---- 1. Tokens ------------------------------------------------ */
:root {
  /* Ink & paper — clean architectural black on white */
  --ink:        #141414;   /* near-black — primary text, rules         */
  --ink-soft:   #4a4a4a;   /* secondary text, captions                 */
  --ink-faint:  #8a8a8a;   /* annotation labels, meta                  */
  --paper:      #ffffff;   /* plain white field (matches the palette)  */
  --paper-2:    #f5f5f5;   /* recessed panels, title block             */
  --line:       #ececec;   /* faint hairline                           */
  --line-mid:   #dddddd;   /* dividers                                 */
  --line-strong:#c4c4c4;   /* registration marks, section rules        */

  /* Selective material accents.
     COPPER IS HOME PAGE ONLY — apply via <body class="accent-copper">.
     Every other page stays black & white. */
  --copper:     #a96a43;
  --copper-deep:#8a5232;
  --wood:       #3b2a1e;

  /* Type */
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --mono:  "Share Tech Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Rhythm */
  --measure: 68ch;          /* readable line length          */
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --shell: 1200px;          /* max content width             */

  /* Motion */
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---- 2. Reset & base ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 0.6vw + 0.95rem, 1.18rem);
  font-weight: 500;
  line-height: 1.62;
  letter-spacing: .002em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }

/* Accessibility: skip link + visible focus */
.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper);
  font-family: var(--mono); font-size: .8rem; letter-spacing: .08em;
  padding: .7rem 1rem; text-transform: uppercase; text-decoration: none;
}
.skip:focus { left: 0; }
:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
body.accent-copper :focus-visible { outline-color: var(--copper-deep); }

/* ---- 3. Drafting-sheet frame --------------------------------- */
/* Registration cross-marks at the four corners of the page. */
.sheet-marks { position: fixed; inset: 0; pointer-events: none; z-index: 1; }
.sheet-marks span {
  position: absolute; width: 14px; height: 14px;
  opacity: .55;
}
.sheet-marks span::before,
.sheet-marks span::after {
  content: ""; position: absolute; background: var(--line-strong);
}
.sheet-marks span::before { left: 50%; top: 0; width: 1px; height: 100%; transform: translateX(-.5px); }
.sheet-marks span::after  { top: 50%; left: 0; height: 1px; width: 100%; transform: translateY(-.5px); }
.sheet-marks .tl { top: 18px; left: 18px; }
.sheet-marks .tr { top: 18px; right: 18px; }
.sheet-marks .bl { bottom: 18px; left: 18px; }
.sheet-marks .br { bottom: 18px; right: 18px; }
@media (max-width: 640px){ .sheet-marks { display: none; } }

/* ---- 4. Shell & annotation gutter ---------------------------- */
.shell {
  width: min(100% - (var(--gutter) * 2), var(--shell));
  margin-inline: auto;
  position: relative; z-index: 2;
}

/* A section label that behaves like a drawing callout. */
.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: inline-flex; align-items: center; gap: .6rem;
  margin: 0 0 1rem;
}
.eyebrow::before {
  content: ""; width: 26px; height: 1px; background: var(--line-strong);
}
body.accent-copper .eyebrow::before { background: var(--copper); }

/* ---- 5. Header / navigation ---------------------------------- */
.site-header {
  position: relative; z-index: 3;
  border-bottom: 1px solid var(--line-mid);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.1) blur(2px);
}
.site-header__row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: 1.1rem 0;
}
.wordmark { text-decoration: none; display: inline-flex; align-items: baseline; gap: .6rem; }
.wordmark b {
  font-family: var(--serif); font-weight: 400;
  font-size: 1.5rem; letter-spacing: .01em; line-height: 1;
}
.wordmark b .wm-b { font-weight: 600; }
.wordmark small {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-faint);
}

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.1rem); }
.nav a {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .16em;
  text-transform: uppercase; text-decoration: none; color: var(--ink-soft);
  position: relative; padding: .35rem 0;
  transition: color .25s var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover, .nav a:focus-visible { color: var(--ink); }
.nav a:hover::after, .nav a:focus-visible::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); }
body.accent-copper .nav a[aria-current="page"]::after,
body.accent-copper .nav a:hover::after { background: var(--copper); }

/* Mobile toggle */
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line-strong);
  font-family: var(--mono); font-size: .7rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink); padding: .5rem .8rem;
  cursor: pointer;
}
@media (max-width: 800px) {
  .nav-toggle { display: inline-block; }
  .nav {
    position: absolute; inset: 100% 0 auto 0; z-index: 20;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line-mid);
    padding: .5rem var(--gutter) 1rem;
    max-height: 0; overflow: hidden; visibility: hidden;
    transition: max-height .3s var(--ease);
  }
  .nav[data-open="true"] { max-height: 60vh; visibility: visible; }
  .nav a { padding: .8rem 0; width: 100%; border-bottom: 1px solid var(--line); }
}

/* ---- 6. Hero ------------------------------------------------- */
.hero { padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(2.5rem, 6vw, 4.5rem); }
.hero h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.6rem, 6.5vw, 5.2rem);
  line-height: 1.02; letter-spacing: -.01em; margin: 0;
  max-width: 16ch;
}
.hero h1 em { font-style: italic; }
body.accent-copper .hero h1 em { color: var(--copper-deep); }
.hero .lede {
  max-width: var(--measure); margin: 1.6rem 0 0;
  font-size: 1.22rem; color: var(--ink-soft);
}

/* Tagline set as a drawn dimension line. */
.tagline {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .06em;
  color: var(--ink-soft); text-transform: none;
  display: flex; align-items: center; gap: 1rem; margin: 2.2rem 0 0;
}
.tagline::before, .tagline::after {
  content: ""; height: 1px; background: var(--line-strong); flex: 0 0 34px;
}
.tagline::after { flex: 1; }

/* ---- 7. Typographic flow ------------------------------------- */
.prose { max-width: var(--measure); }
.prose > * + * { margin-top: 1.15rem; }
h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.8rem, 3.4vw, 2.7rem); line-height: 1.1;
  letter-spacing: -.005em; margin: 0;
}
h3 {
  font-family: var(--serif); font-weight: 600;
  font-size: 1.35rem; line-height: 1.2; margin: 0;
}
p { margin: 0; }
.prose a { text-decoration: none; border-bottom: 1px solid var(--line-strong); transition: border-color .2s var(--ease); }
.prose a:hover { border-color: var(--ink); }
body.accent-copper .prose a:hover { border-color: var(--copper); }

code {
  font-family: var(--mono); font-size: .82em;
  background: var(--paper-2); padding: .1em .4em;
  border: 1px solid var(--line-mid);
}

/* Section rhythm */
.section { padding: clamp(3rem, 7vw, 6rem) 0; }
.section + .section { border-top: 1px solid var(--line-mid); }

/* ---- 8. Title-block footer (drafting signature) -------------- */
.title-block {
  position: relative; z-index: 2;
  border-top: 1px solid var(--ink);
  margin-top: clamp(3rem, 8vw, 6rem);
  background: var(--paper-2);
}
.title-block__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
}
.title-block__cell {
  border-right: 1px solid var(--line-mid);
  border-bottom: 1px solid var(--line-mid);
  padding: 1.1rem var(--gutter);
  padding-inline: clamp(1rem, 2.5vw, 2rem);
}
.title-block__cell:last-child { border-right: 0; }
.title-block__cell .k {
  display: block; font-family: var(--mono); font-size: .62rem;
  letter-spacing: .2em; text-transform: uppercase; color: var(--ink-faint);
  margin-bottom: .4rem;
}
.title-block__cell .v {
  font-family: var(--serif); font-size: 1.02rem; color: var(--ink);
}
.title-block__cell .v.mono { font-family: var(--mono); font-size: .82rem; letter-spacing: .02em; }
.title-block__foot {
  display: flex; flex-wrap: wrap; gap: .6rem 1.4rem;
  justify-content: space-between; align-items: center;
  padding: 1rem var(--gutter);
  padding-inline: clamp(1rem, 2.5vw, 2rem);
  font-family: var(--mono); font-size: .68rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint);
}
.title-block__foot a { text-decoration: none; color: var(--ink-soft); }
.title-block__foot a:hover { color: var(--ink); }

@media (max-width: 720px) {
  .title-block__grid { grid-template-columns: 1fr 1fr; }
  .title-block__cell:nth-child(2n) { border-right: 0; }
}

/* ---- 8b. Split media + text (e.g. About intro) --------------- */
.split {
  display: grid;
  grid-template-columns: minmax(220px, 340px) 1fr;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: start;
}
@media (max-width: 720px) { .split { grid-template-columns: 1fr; } }

.portrait {
  position: relative; margin: 0;
  aspect-ratio: 4 / 5;
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  overflow: hidden;
}
.portrait::before,
.portrait::after {
  /* thin registration ticks on the frame */
  content: ""; position: absolute; width: 10px; height: 10px; z-index: 2;
  border: 1px solid var(--line-strong);
}
.portrait::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.portrait::after  { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }
.portrait img { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%) contrast(1.02); }
.portrait__ph {
  position: absolute; inset: 0; z-index: 0; display: grid; place-content: center; gap: .4rem;
  text-align: center; color: var(--ink-faint);
  font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
}

/* ---- 8c. Pull quote ------------------------------------------ */
.pull-quote {
  margin: 0; max-width: 24ch;
  font-family: var(--serif); font-style: italic; font-weight: 500;
  font-size: clamp(1.7rem, 3.6vw, 2.6rem); line-height: 1.18;
  padding-left: clamp(1rem, 3vw, 2rem);
  border-left: 1px solid var(--ink);
}

/* ---- 8d. Disciplines legend (home) --------------------------- */
.legend {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-mid);
}
.legend__item {
  border-right: 1px solid var(--line-mid);
  border-bottom: 1px solid var(--line-mid);
  padding: 1.6rem clamp(1rem, 2vw, 1.6rem);
}
.legend__item:last-child { border-right: 0; }
.legend__no {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .14em;
  color: var(--ink-faint); display: block; margin-bottom: .8rem;
}
body.accent-copper .legend__no { color: var(--copper-deep); }
.legend__name { font-family: var(--serif); font-size: 1.5rem; line-height: 1.1; margin: 0 0 .4rem; }
.legend__desc { font-size: .98rem; color: var(--ink-soft); margin: 0; }
@media (max-width: 820px) {
  .legend { grid-template-columns: 1fr 1fr; }
  .legend__item:nth-child(2n) { border-right: 0; }
}
@media (max-width: 460px) {
  .legend { grid-template-columns: 1fr; }
  .legend__item { border-right: 0; }
}

/* ---- 8e. Buttons --------------------------------------------- */
.actions { display: flex; flex-wrap: wrap; gap: .8rem 1rem; margin-top: 2rem; }
.btn {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .14em;
  text-transform: uppercase; text-decoration: none;
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .85rem 1.4rem; border: 1px solid var(--ink); color: var(--ink);
  background: transparent; transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn--ghost { border-color: var(--line-strong); color: var(--ink-soft); }
.btn--ghost:hover { background: transparent; color: var(--ink); border-color: var(--ink); }
body.accent-copper .btn { border-color: var(--copper-deep); }
body.accent-copper .btn:hover { background: var(--copper-deep); border-color: var(--copper-deep); color: var(--paper); }

/* ---- 8f. Philosophy reading column --------------------------- */
.reading { max-width: 64ch; margin-inline: auto; padding-inline: var(--gutter); }
.lead-quote {
  font-family: var(--serif); font-style: italic; font-weight: 500;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem); line-height: 1.24; letter-spacing: -.005em;
  color: var(--ink); margin: 0 0 2.2rem;
}
.philosophy-body { font-size: 1.16rem; line-height: 1.72; color: var(--ink); }
.philosophy-body > * + * { margin-top: 1.35rem; }
.philosophy-body em { font-style: italic; }
.philosophy-close {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .12em;
  text-transform: none; color: var(--ink-soft); text-align: center; line-height: 1.9;
  margin: 2.8rem 0 0; padding-top: 1.9rem; border-top: 1px solid var(--line-mid);
}

/* ---- 8g. Contact page ---------------------------------------- */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem); align-items: start;
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem); line-height: 1.04; margin: 0 0 1.1rem;
}
.contact-info .lede { max-width: 42ch; }
.contact-rows { margin: 2.2rem 0 0; display: grid; gap: 1.05rem; }
.contact-rows dt {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: .3rem;
}
.contact-rows dd { margin: 0; font-family: var(--mono); font-size: .95rem; color: var(--ink); }
.contact-rows a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--line-strong); transition: border-color .2s var(--ease); }
.contact-rows a:hover { border-color: var(--ink); }

.contact-form .field { margin-bottom: 1.5rem; }
.contact-form label {
  display: block; font-family: var(--mono); font-size: .62rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: .5rem;
}
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; font-family: var(--serif); font-size: 1.05rem; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--line-strong);
  padding: .55rem 0; border-radius: 0; -webkit-appearance: none; appearance: none;
}
.contact-form textarea { resize: vertical; min-height: 6rem; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-bottom-color: var(--ink);
}
.contact-form button { margin-top: .5rem; }

/* ---- 8h. Empty state (blog placeholder) ---------------------- */
.empty-state {
  text-align: center; max-width: 54ch; margin-inline: auto;
  padding-block: clamp(2rem, 7vw, 6rem);
}
.empty-state .eyebrow { justify-content: center; }
.empty-state h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem); line-height: 1.05; margin: 0 0 1rem;
}
.empty-state .lede { margin-inline: auto; }
.empty-note {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-faint);
  display: flex; align-items: center; justify-content: center; gap: .8rem;
  margin: 2.2rem 0;
}
.empty-note::before, .empty-note::after {
  content: ""; height: 1px; width: 30px; background: var(--line-strong);
}
.empty-state a { color: inherit; border-bottom: 1px solid var(--line-strong); text-decoration: none; transition: border-color .2s var(--ease); }
.empty-state a:hover { border-color: var(--ink); }

/* ---- 8i. Services page --------------------------------------- */
.services-intro .lede { max-width: 52ch; }

.services-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-mid); border-left: 1px solid var(--line-mid);
}
@media (max-width: 720px) { .services-grid { grid-template-columns: 1fr; } }
.service {
  border-right: 1px solid var(--line-mid); border-bottom: 1px solid var(--line-mid);
  padding: 1.7rem clamp(1rem, 2vw, 1.9rem);
}
.service__no {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-faint);
}
.service__name { font-family: var(--serif); font-weight: 500; font-size: 1.5rem; line-height: 1.1; margin: .5rem 0 .35rem; }
.service__desc { color: var(--ink-soft); margin: 0 0 1rem; font-size: 1rem; }
.service__list { list-style: none; margin: 0; padding: 0; display: grid; gap: .38rem; }
.service__list li {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .02em; color: var(--ink);
  position: relative; padding-left: 1.1rem; line-height: 1.4;
}
.service__list li::before { content: "—"; position: absolute; left: 0; color: var(--ink-faint); }
.gc-note {
  margin-top: 1.5rem; font-style: italic; color: var(--ink-soft);
  border-left: 1px solid var(--ink); padding-left: 1rem; font-size: 1.02rem; max-width: 66ch;
}

/* Threshold feature */
.threshold { border: 1px solid var(--ink); padding: clamp(1.6rem, 3vw, 2.8rem); }
.threshold h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(1.7rem, 3.4vw, 2.5rem); line-height: 1.08; margin: .5rem 0 1.1rem; }
.threshold p { max-width: 62ch; }
.threshold .examples { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin: 1.8rem 0 .4rem; }
@media (max-width: 600px) { .threshold .examples { grid-template-columns: 1fr; } }
.threshold .ex { border-top: 1px solid var(--ink); padding-top: .9rem; }
.threshold .ex .from { font-family: var(--mono); font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-faint); }
.threshold .ex .to { font-family: var(--serif); font-style: italic; font-size: 1.2rem; line-height: 1.2; margin-top: .35rem; }
.threshold .close { font-family: var(--mono); font-size: .74rem; letter-spacing: .06em; color: var(--ink-soft); margin-top: 1.6rem; }

/* Pricing note */
.pricing-note { display: grid; grid-template-columns: auto 1fr; gap: 1.3rem; align-items: start; }
@media (max-width: 560px) { .pricing-note { grid-template-columns: 1fr; gap: .6rem; } }
.pricing-note .k { font-family: var(--mono); font-size: .64rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-faint); padding-top: .25rem; white-space: nowrap; }
.pricing-note p { margin: 0; max-width: 62ch; }

/* ---- 9. Utilities -------------------------------------------- */
.stack-lg > * + * { margin-top: clamp(2rem, 5vw, 3.5rem); }
.center { text-align: center; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---- 10. Motion & load sequence ------------------------------ */
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
[data-rise] { animation: rise .7s var(--ease) both; }
[data-rise="2"] { animation-delay: .08s; }
[data-rise="3"] { animation-delay: .16s; }
[data-rise="4"] { animation-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-delay: 0 !important;
    transition-duration: .001ms !important;
  }
}