/* ============================================================================
   IRON SPEC LAB — stylesheet
   ----------------------------------------------------------------------------
   Direction: "machinist's spec card". Deep forest ink printed on bone stock,
   with mustard reserved for measurements, annotations and calls to action.
   Display type is a high-contrast didone (Didot / Bodoni MT) set tight and
   large; everything else is Arial, tracked out for labels. System fonts only.
   Squared corners, hairline rules, notched corners on measurement tiles,
   horizontal numbered rail for process steps. One file, hand written.
   ============================================================================ */

:root {
  /* forest */
  --ink-900:  #0d1d13;
  --ink-800:  #16301f;
  --ink-700:  #1f4029;
  --ink-600:  #2c5637;
  --ink-500:  #3f6b49;
  --ink-300:  #7d9a86;

  /* mustard */
  --gold-600: #8a6a08;
  --gold-500: #b58a12;
  --gold-400: #d1a326;
  --gold-300: #e6c05a;
  --gold-veil: rgba(209, 163, 38, 0.14);

  /* stock */
  --bone:     #f7f4ea;
  --bone-2:   #efeadb;
  --card:     #fffdf6;
  --slate:    #4a5450;
  --slate-2:  #6d7a74;
  --hair:     rgba(13, 29, 19, 0.16);
  --hair-2:   rgba(13, 29, 19, 0.30);

  --serif: Didot, 'Bodoni MT', 'Bodoni 72', 'Playfair Display', 'Hoefler Text', Garamond, Georgia, serif;
  --sans:  Arial, 'Helvetica Neue', Helvetica, sans-serif;

  --frame: 1240px;
  --gap:   26px;
  --lift-1: 0 1px 0 rgba(13, 29, 19, 0.08);
  --lift-2: 0 14px 34px rgba(13, 29, 19, 0.12);
  --swift: 180ms cubic-bezier(0.32, 0.72, 0.34, 1);
}

/* ---------------------------------------------------------------- base ---- */

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

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

body.isl-shell {
  margin: 0;
  background: var(--bone);
  color: var(--slate);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: var(--serif);
  color: var(--ink-900);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: -0.008em;
  margin: 0 0 0.46em;
}
h1 { font-size: clamp(2.5rem, 5.6vw, 4.15rem); }
h2 { font-size: clamp(1.95rem, 3.5vw, 2.85rem); }
h3 { font-size: 1.34rem; letter-spacing: 0; }
h4 { font-size: 1.08rem; letter-spacing: 0; }

p { margin: 0 0 1.05em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
address { font-style: normal; }
strong { color: var(--ink-800); font-weight: 700; }

::selection { background: var(--gold-400); color: var(--ink-900); }

:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.isl-jump {
  position: absolute;
  top: -100px;
  left: 12px;
  z-index: 200;
  background: var(--gold-400);
  color: var(--ink-900);
  padding: 12px 20px;
  font: 700 0.8rem/1 var(--sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: top var(--swift);
}
.isl-jump:focus { top: 12px; }

.isl-frame {
  width: 100%;
  max-width: var(--frame);
  margin: 0 auto;
  padding: 0 26px;
}

/* ------------------------------------------------------------ masthead ---- */

.isl-masthead {
  position: relative;
  z-index: 90;
  border-bottom: 1px solid var(--hair);
  background: var(--bone);
}

/* row one — dark utility strip */
.isl-utility {
  background: var(--ink-800);
  color: rgba(247, 244, 234, 0.78);
  font-size: 0.735rem;
  letter-spacing: 0.055em;
}
.isl-utility__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 40px;
  flex-wrap: wrap;
}
.isl-utility p { margin: 0; }
.isl-utility__where { display: flex; align-items: center; gap: 9px; }
.isl-utility__dot {
  width: 7px; height: 7px;
  background: var(--gold-400);
  display: inline-block;
  transform: rotate(45deg);
}
.isl-utility__when {
  color: rgba(247, 244, 234, 0.52);
  font-style: italic;
  letter-spacing: 0.02em;
}
.isl-utility__reach { display: flex; align-items: center; gap: 10px; }
.isl-utility__reach a { color: var(--gold-300); }
.isl-utility__reach a:hover { color: #fff; }
.isl-utility__reach span { color: rgba(247, 244, 234, 0.3); }

/* row two — brand + nav */
.isl-navrow { background: var(--bone); }
.isl-navrow__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  min-height: 84px;
}

.isl-crest { display: flex; align-items: center; gap: 14px; }
.isl-crest__glyph {
  width: 42px; height: 42px;
  border: 1.5px solid var(--ink-800);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 0 8px;
  flex: none;
}
.isl-crest__bar { display: block; height: 2px; background: var(--ink-800); }
.isl-crest__bar:nth-child(2) { background: var(--gold-500); width: 68%; }
.isl-crest__bar:nth-child(3) { width: 84%; }
.isl-crest__type { display: flex; flex-direction: column; line-height: 1.15; }
.isl-crest__type strong {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--ink-900);
}
.isl-crest__type em {
  font-style: normal;
  font-size: 0.64rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-top: 3px;
}

.isl-menu__list {
  display: flex;
  align-items: center;
  gap: 22px;
}
.isl-menu__item > a {
  font-size: 0.775rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-700);
  padding: 6px 0;
  display: inline-block;
  border-bottom: 2px solid transparent;
  transition: color var(--swift), border-color var(--swift);
}
.isl-menu__item > a:hover { color: var(--gold-600); border-bottom-color: var(--gold-400); }
.isl-menu__item.is-current > a { color: var(--ink-900); border-bottom-color: var(--ink-800); font-weight: 700; }
.isl-menu__item--book > a { border-bottom: 0; }
.isl-menu__item--book > a:hover { border-bottom: 0; }

.isl-burger {
  display: none;
  align-items: center;
  gap: 10px;
  background: none;
  border: 1px solid var(--hair-2);
  padding: 9px 14px;
  cursor: pointer;
}
.isl-burger__word {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-800);
}
.isl-burger__lines {
  position: relative;
  width: 18px; height: 2px;
  background: var(--ink-800);
  display: block;
}
.isl-burger__lines::before,
.isl-burger__lines::after {
  content: '';
  position: absolute;
  left: 0; width: 18px; height: 2px;
  background: var(--ink-800);
  transition: transform var(--swift), opacity var(--swift);
}
.isl-burger__lines::before { top: -6px; }
.isl-burger__lines::after  { top: 6px; }
.isl-burger.is-lit .isl-burger__lines { background: transparent; }
.isl-burger.is-lit .isl-burger__lines::before { transform: translateY(6px) rotate(45deg); }
.isl-burger.is-lit .isl-burger__lines::after  { transform: translateY(-6px) rotate(-45deg); }

/* ------------------------------------------------------------- buttons ---- */

.isl-action {
  display: inline-block;
  font-size: 0.755rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 14px 26px;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: background var(--swift), color var(--swift), border-color var(--swift), transform var(--swift);
}
.isl-action--gold {
  background: var(--gold-400);
  color: var(--ink-900);
  box-shadow: inset 0 0 0 1px rgba(13, 29, 19, 0.18);
}
.isl-action--gold:hover { background: var(--gold-300); transform: translateY(-1px); }
.isl-action--ink {
  background: var(--ink-800);
  color: var(--bone);
}
.isl-action--ink:hover { background: var(--ink-600); transform: translateY(-1px); }
.isl-action--hollow {
  background: transparent;
  color: var(--ink-800);
  border-color: var(--hair-2);
}
.isl-action--hollow:hover { border-color: var(--ink-800); background: rgba(13, 29, 19, 0.04); }
.isl-action--pale {
  background: transparent;
  color: var(--bone);
  border-color: rgba(247, 244, 234, 0.45);
}
.isl-action--pale:hover { border-color: var(--gold-400); color: var(--gold-300); }
.isl-action--wide { display: block; width: 100%; padding: 16px 20px; }

.isl-textlink {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-600);
  border-bottom: 1px solid var(--gold-veil);
  padding-bottom: 2px;
  transition: border-color var(--swift), color var(--swift);
}
.isl-textlink:hover { color: var(--ink-800); border-bottom-color: var(--ink-800); }

/* -------------------------------------------------------------- layout ---- */

.isl-content { display: block; }

.isl-band { padding: 78px 0; }
.isl-band--tight { padding: 54px 0; }
.isl-band--tinted { background: var(--bone-2); }
.isl-band--inked { background: var(--ink-800); color: rgba(247, 244, 234, 0.8); }
.isl-band--inked h2, .isl-band--inked h3 { color: var(--bone); }

.isl-centered { text-align: center; }
.isl-centered p { margin-left: auto; margin-right: auto; }
p.isl-centered { margin-left: auto; margin-right: auto; }

.isl-lede {
  font-size: 1.09rem;
  line-height: 1.75;
  color: var(--slate);
  max-width: 66ch;
}

.isl-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.685rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 14px;
}
.isl-tag::before {
  content: '';
  width: 26px; height: 1px;
  background: var(--gold-500);
}
.isl-centered .isl-tag::after {
  content: '';
  width: 26px; height: 1px;
  background: var(--gold-500);
}

.isl-topper { max-width: 720px; margin-bottom: 44px; }
.isl-centered .isl-topper,
.isl-topper.isl-centered { margin-left: auto; margin-right: auto; }

.isl-duo {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 58px;
  align-items: start;
}
.isl-duo--flip > *:first-child { order: 2; }
.isl-duo--even { grid-template-columns: 1fr 1fr; }

.isl-columns { display: grid; gap: var(--gap); }
.isl-columns--2 { grid-template-columns: repeat(2, 1fr); }
.isl-columns--3 { grid-template-columns: repeat(3, 1fr); }
.isl-columns--4 { grid-template-columns: repeat(4, 1fr); }

/* --------------------------------------------------------------- opener --- */

.isl-opener {
  position: relative;
  padding: 92px 0 0;
  text-align: center;
  background:
    linear-gradient(to bottom, rgba(247, 244, 234, 0) 60%, var(--bone-2) 100%),
    repeating-linear-gradient(0deg, rgba(13, 29, 19, 0.045) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(13, 29, 19, 0.045) 0 1px, transparent 1px 34px),
    var(--bone);
  overflow: hidden;
}
.isl-opener__inner { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; }
.isl-opener h1 { margin-bottom: 22px; }
.isl-opener h1 em {
  font-style: italic;
  color: var(--gold-600);
}
.isl-opener .isl-lede { margin: 0 auto 30px; font-size: 1.14rem; }
.isl-opener__buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.isl-stamp {
  display: inline-block;
  border: 1px solid var(--hair-2);
  padding: 7px 16px;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-700);
  background: rgba(255, 253, 246, 0.7);
  margin-bottom: 24px;
}

/* measurement chips under the opener */
.isl-chipstrip {
  position: relative;
  z-index: 2;
  margin-top: 62px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hair);
  border-left: 1px solid var(--hair);
  background: rgba(255, 253, 246, 0.6);
}
.isl-chip {
  border-right: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  padding: 24px 18px;
  text-align: center;
}
.isl-chip__value {
  display: block;
  font-family: var(--serif);
  font-size: 1.85rem;
  color: var(--ink-900);
  line-height: 1;
}
.isl-chip__unit {
  display: block;
  margin-top: 9px;
  font-size: 0.66rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--slate-2);
}

/* ------------------------------------------------------------- page top --- */

.isl-ribbon {
  background: var(--ink-800);
  color: rgba(247, 244, 234, 0.76);
  padding: 62px 0 56px;
  border-bottom: 4px solid var(--gold-400);
}
.isl-ribbon h1 { color: var(--bone); margin-bottom: 16px; }
.isl-ribbon .isl-lede { color: rgba(247, 244, 234, 0.74); }
.isl-ribbon .isl-lede a { color: var(--gold-300); border-bottom: 1px solid rgba(209, 163, 38, 0.4); }
.isl-crumb {
  font-size: 0.67rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-300);
  margin-bottom: 16px;
  display: block;
}

/* ---------------------------------------------------------------- tiles --- */

.isl-tile {
  position: relative;
  background: var(--card);
  border: 1px solid var(--hair);
  padding: 30px 28px 32px;
  transition: border-color var(--swift), box-shadow var(--swift), transform var(--swift);
}
.isl-tile::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  border-width: 0 14px 14px 0;
  border-style: solid;
  border-color: var(--bone) var(--gold-400);
}
.isl-tile:hover { border-color: var(--hair-2); box-shadow: var(--lift-2); transform: translateY(-3px); }
.isl-tile h3 { margin-bottom: 10px; }
.isl-tile p { font-size: 0.95rem; }
.isl-tile__index {
  display: block;
  font-family: var(--serif);
  font-size: 0.95rem;
  letter-spacing: 0.24em;
  color: var(--gold-600);
  margin-bottom: 12px;
}
.isl-tile--plain::after { display: none; }
.isl-tile--edge { border-left: 4px solid var(--ink-700); }

.isl-slab {
  background: var(--card);
  border: 1px solid var(--hair);
  padding: 34px 32px;
}
.isl-slab__cap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--hair);
}
.isl-slab__cap strong {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 400;
}
.isl-slab__cap span {
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-600);
}

/* ledger: alternating spec rows (no dotted leaders) */
.isl-ledger { border-top: 1px solid var(--hair); }
.isl-ledger li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 11px 12px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--hair);
}
.isl-ledger li:nth-child(odd) { background: rgba(209, 163, 38, 0.055); }
.isl-ledger li span:first-child { color: var(--slate); }
.isl-ledger li span:last-child {
  color: var(--ink-900);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* ---------------------------------------------------------------- rail ---- */

.isl-rail {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--hair-2);
}
.isl-rail--four { grid-template-columns: repeat(4, 1fr); }
.isl-rail__stop {
  padding: 30px 22px 8px;
  border-right: 1px solid var(--hair);
  position: relative;
}
.isl-rail__stop:last-child { border-right: 0; }
.isl-rail__stop::before {
  content: '';
  position: absolute;
  top: -5px; left: 0;
  width: 9px; height: 9px;
  background: var(--gold-400);
  transform: rotate(45deg) translateY(-1px);
}
.isl-rail__num {
  font-family: var(--serif);
  font-size: 2.6rem;
  line-height: 1;
  color: var(--gold-400);
  display: block;
  margin-bottom: 14px;
}
.isl-rail__stop h3 { font-size: 1.12rem; margin-bottom: 8px; }
.isl-rail__stop p { font-size: 0.9rem; }

/* ---------------------------------------------------------------- quote --- */

.isl-quote {
  background: var(--card);
  border: 1px solid var(--hair);
  border-left: 4px solid var(--gold-400);
  padding: 30px 32px;
}
.isl-quote blockquote {
  margin: 0 0 20px;
  font-family: var(--serif);
  font-size: 1.22rem;
  line-height: 1.5;
  color: var(--ink-800);
}
.isl-quote__by {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
}
.isl-quote__who strong { display: block; font-size: 0.95rem; }
.isl-quote__who span {
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--slate-2);
}
.isl-marks { color: var(--gold-500); font-size: 0.85rem; letter-spacing: 0.18em; }

/* ---------------------------------------------------------------- staff --- */

.isl-person {
  background: var(--card);
  border: 1px solid var(--hair);
  padding: 0 0 28px;
}
.isl-person__plate {
  height: 128px;
  background:
    repeating-linear-gradient(135deg, rgba(247, 244, 234, 0.16) 0 2px, transparent 2px 11px),
    linear-gradient(140deg, var(--ink-700), var(--ink-900));
  display: flex;
  align-items: center;
  justify-content: center;
}
.isl-person__initials {
  font-family: var(--serif);
  font-size: 2.3rem;
  color: var(--gold-300);
  letter-spacing: 0.06em;
}
.isl-person__body { padding: 24px 26px 0; }
.isl-person__body h3 { margin-bottom: 4px; }
.isl-person__role {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 14px;
}
.isl-person__body p { font-size: 0.93rem; }

/* --------------------------------------------------------------- prices --- */

.isl-rate {
  position: relative;
  background: var(--card);
  border: 1px solid var(--hair);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}
.isl-rate--flagged { border: 2px solid var(--ink-800); }
/* Ribbon sits on the card's top edge so every card's content starts on the
   same baseline regardless of whether it carries a flag. */
.isl-rate__flag {
  position: absolute;
  top: 0;
  left: 24px;
  transform: translateY(-50%);
  background: var(--ink-800);
  color: var(--gold-300);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 5px 12px;
  white-space: nowrap;
}
.isl-rate h3 { margin-bottom: 6px; }
.isl-rate__cost {
  font-family: var(--serif);
  font-size: 2.7rem;
  line-height: 1;
  color: var(--ink-900);
  margin: 14px 0 4px;
}
.isl-rate__span {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--slate-2);
  margin-bottom: 20px;
  display: block;
}
.isl-rate ul { margin-bottom: 24px; flex: 1; }
.isl-rate li {
  position: relative;
  padding-left: 22px;
  font-size: 0.92rem;
  margin-bottom: 9px;
}
.isl-rate li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 8px; height: 8px;
  border: 1px solid var(--gold-500);
  background: var(--gold-veil);
}

/* ------------------------------------------------------------------ qa ---- */

.isl-qa { border-top: 1px solid var(--hair-2); }
.isl-qa__row {
  border-bottom: 1px solid var(--hair);
  padding: 26px 0;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
}
.isl-qa__key {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--gold-500);
  line-height: 1;
}
.isl-qa__row h3 { font-size: 1.16rem; margin-bottom: 9px; }
.isl-qa__row p { font-size: 0.96rem; margin-bottom: 0; }
.isl-qa__row p + p { margin-top: 0.8em; }

/* --------------------------------------------------------------- checks --- */

.isl-checks li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  font-size: 0.97rem;
}
.isl-checks li::before {
  content: '';
  position: absolute;
  left: 2px; top: 8px;
  width: 13px; height: 7px;
  border-left: 2px solid var(--gold-500);
  border-bottom: 2px solid var(--gold-500);
  transform: rotate(-45deg);
}

.isl-numbered { counter-reset: islnum; }
.isl-numbered li {
  counter-increment: islnum;
  position: relative;
  padding-left: 40px;
  margin-bottom: 16px;
}
.isl-numbered li::before {
  content: counter(islnum, decimal-leading-zero);
  position: absolute;
  left: 0; top: 1px;
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--gold-600);
  letter-spacing: 0.08em;
}

/* ---------------------------------------------------------------- lines --- */

.isl-lineup {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}
.isl-lineup li {
  background: var(--card);
  padding: 20px 18px;
  text-align: center;
  transition: background var(--swift);
}
.isl-lineup li:hover { background: var(--gold-veil); }
.isl-lineup strong { display: block; font-size: 0.98rem; }
.isl-lineup span {
  display: block;
  margin-top: 5px;
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--slate-2);
}

/* --------------------------------------------------------------- notice --- */

.isl-notice {
  background: var(--gold-veil);
  border-left: 4px solid var(--gold-400);
  padding: 20px 24px;
  font-size: 0.95rem;
}
.isl-notice strong { display: block; margin-bottom: 5px; }
.isl-notice p:last-child { margin-bottom: 0; }

/* ---------------------------------------------------------------- forms --- */

.isl-formcard {
  background: var(--card);
  border: 1px solid var(--hair-2);
  padding: 34px 32px 38px;
  box-shadow: var(--lift-2);
}
.isl-formcard h2 { font-size: 1.7rem; }
.isl-formcard__note { margin-bottom: 22px; }
.isl-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.isl-field { margin-bottom: 18px; }
.isl-field label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-700);
  margin-bottom: 7px;
}
.isl-field input,
.isl-field select,
.isl-field textarea {
  width: 100%;
  background: var(--bone);
  border: 1px solid var(--hair-2);
  padding: 12px 14px;
  font-size: 0.95rem;
  transition: border-color var(--swift), background var(--swift);
}
.isl-field textarea { resize: vertical; min-height: 108px; }
.isl-field input:focus,
.isl-field select:focus,
.isl-field textarea:focus {
  outline: none;
  border-color: var(--gold-500);
  background: #fff;
}
.isl-fineprint {
  font-size: 0.8rem;
  color: var(--slate-2);
  margin: 14px 0 0;
  line-height: 1.6;
}

/* --------------------------------------------------------------- locate --- */

.isl-locate {
  position: relative;
  border: 1px solid var(--hair-2);
  background:
    repeating-linear-gradient(0deg, rgba(13, 29, 19, 0.06) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, rgba(13, 29, 19, 0.06) 0 1px, transparent 1px 22px),
    var(--bone-2);
  min-height: 230px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.isl-locate__pip {
  position: absolute;
  top: 44%; left: 47%;
  width: 15px; height: 15px;
  background: var(--gold-400);
  border: 2px solid var(--ink-900);
  transform: rotate(45deg);
}
.isl-locate__ring {
  position: absolute;
  top: calc(44% - 17px); left: calc(47% - 17px);
  width: 49px; height: 49px;
  border: 1px solid rgba(209, 163, 38, 0.6);
  border-radius: 50%;
}
.isl-locate__name {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--ink-900);
}
.isl-locate__coords {
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--slate-2);
}

/* -------------------------------------------------------------- article --- */

.isl-paper { max-width: 760px; margin: 0 auto; }
.isl-paper h2 { font-size: 1.86rem; margin: 1.5em 0 0.5em; }
.isl-paper h3 { font-size: 1.22rem; margin: 1.4em 0 0.4em; }
.isl-paper p { font-size: 1.02rem; }
/* Generic prose bullets. Component lists (checks, numbered, ledger) opt out. */
.isl-paper ul:not(.isl-checks):not(.isl-numbered):not(.isl-ledger) { margin: 0 0 1.2em; }
.isl-paper ul:not(.isl-checks):not(.isl-numbered):not(.isl-ledger) li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 9px;
}
.isl-paper ul:not(.isl-checks):not(.isl-numbered):not(.isl-ledger) li::before {
  content: '';
  position: absolute;
  left: 2px; top: 11px;
  width: 7px; height: 1px;
  background: var(--gold-500);
}
.isl-paper .isl-slab,
.isl-paper .isl-notice { margin-bottom: 1.7em; }
.isl-byline {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-2);
  padding-bottom: 22px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--hair);
}
.isl-byline span::after { content: ''; }
.isl-pullout {
  border-top: 2px solid var(--ink-800);
  border-bottom: 2px solid var(--ink-800);
  padding: 22px 0;
  margin: 32px 0;
  font-family: var(--serif);
  font-size: 1.3rem;
  line-height: 1.45;
  color: var(--ink-800);
  text-align: center;
}
.isl-endnote {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--hair);
  font-size: 0.92rem;
  color: var(--slate-2);
}

.isl-post {
  background: var(--card);
  border: 1px solid var(--hair);
  padding: 28px 26px 30px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--swift), transform var(--swift);
}
.isl-post:hover { box-shadow: var(--lift-2); transform: translateY(-3px); }
.isl-post__kind {
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 12px;
  display: block;
}
.isl-post h3 { font-size: 1.24rem; }
.isl-post p { font-size: 0.94rem; flex: 1; }

/* ----------------------------------------------------------------- call --- */

.isl-call {
  background:
    repeating-linear-gradient(135deg, rgba(247, 244, 234, 0.05) 0 2px, transparent 2px 14px),
    linear-gradient(120deg, var(--ink-900), var(--ink-700));
  color: rgba(247, 244, 234, 0.82);
  padding: 74px 0;
  text-align: center;
}
.isl-call h2 { color: var(--bone); }
.isl-call p { max-width: 60ch; margin: 0 auto 26px; }
.isl-call__buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ------------------------------------------------------------- basement --- */

.isl-basement {
  background: var(--ink-900);
  color: rgba(247, 244, 234, 0.62);
  font-size: 0.92rem;
  padding-top: 62px;
}
.isl-basement__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 52px;
}
.isl-basement__mark {
  font-family: var(--serif);
  font-size: 1.65rem;
  color: var(--bone);
  margin-bottom: 14px;
}
.isl-basement__head {
  font-size: 0.72rem;
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 18px;
}
.isl-basement a { color: rgba(247, 244, 234, 0.7); }
.isl-basement a:hover { color: var(--gold-300); }
.isl-basement__badges { margin-top: 18px; }
.isl-basement__badges li {
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-300);
  padding: 6px 0;
  border-top: 1px solid rgba(247, 244, 234, 0.09);
}
.isl-basement__address { line-height: 1.75; margin-bottom: 12px; }
.isl-basement__links li { margin-bottom: 8px; }
.isl-clock li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.82rem;
  padding: 5px 0;
  border-bottom: 1px solid rgba(247, 244, 234, 0.07);
}
.isl-clock li span:last-child { color: rgba(247, 244, 234, 0.8); white-space: nowrap; }
.isl-basement__rule {
  border-top: 1px solid rgba(247, 244, 234, 0.1);
  padding: 20px 0;
}
.isl-basement__rule-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.76rem;
  color: rgba(247, 244, 234, 0.42);
}
.isl-basement__rule p { margin: 0; }

/* ----------------------------------------------------------------- misc --- */

.isl-gap-sm { margin-top: 18px; }
.isl-gap-md { margin-top: 30px; }
.isl-gap-lg { margin-top: 46px; }
.isl-nomargin { margin-bottom: 0; }

.isl-fade {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms ease, transform 520ms ease;
}
.isl-fade.is-shown { opacity: 1; transform: none; }

.isl-lost {
  padding: 110px 0 96px;
  text-align: center;
}
.isl-lost__code {
  font-family: var(--serif);
  font-size: clamp(5rem, 16vw, 10rem);
  line-height: 0.9;
  color: var(--gold-400);
  display: block;
  margin-bottom: 12px;
}

.isl-done {
  padding: 96px 0;
  text-align: center;
}
.isl-done__seal {
  width: 84px; height: 84px;
  margin: 0 auto 26px;
  border: 2px solid var(--gold-400);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(45deg);
}
.isl-done__seal span {
  transform: rotate(-45deg);
  font-family: var(--serif);
  font-size: 1.9rem;
  color: var(--ink-800);
}

/* --------------------------------------------------------------- widths --- */

@media (max-width: 1080px) {
  .isl-menu__list { gap: 15px; }
  .isl-menu__item > a { font-size: 0.72rem; letter-spacing: 0.06em; }
  .isl-basement__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 960px) {
  .isl-burger { display: inline-flex; }
  .isl-menu {
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    background: var(--bone);
    border-bottom: 1px solid var(--hair-2);
    box-shadow: var(--lift-2);
    max-height: 0;
    overflow: hidden;
    transition: max-height 320ms ease;
  }
  .isl-menu.is-open { max-height: 640px; }
  .isl-menu__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 26px 22px;
  }
  .isl-menu__item { border-bottom: 1px solid var(--hair); }
  .isl-menu__item > a { display: block; padding: 14px 0; font-size: 0.82rem; border-bottom: 0; }
  .isl-menu__item.is-current > a { border-bottom: 0; }
  .isl-menu__item--book { border-bottom: 0; margin-top: 16px; }
  .isl-menu__item--book > a { display: block; }

  .isl-navrow { position: relative; }
  .isl-utility__when { display: none; }

  .isl-duo, .isl-duo--even { grid-template-columns: 1fr; gap: 38px; }
  .isl-duo--flip > *:first-child { order: 0; }
  .isl-columns--3, .isl-columns--4 { grid-template-columns: repeat(2, 1fr); }
  .isl-rail, .isl-rail--four { grid-template-columns: repeat(2, 1fr); }
  .isl-rail__stop { border-bottom: 1px solid var(--hair); }
  .isl-chipstrip { grid-template-columns: repeat(2, 1fr); }
  .isl-band { padding: 60px 0; }
  .isl-opener { padding-top: 68px; }
}

@media (max-width: 640px) {
  body.isl-shell { font-size: 16px; }
  .isl-frame { padding: 0 18px; }
  .isl-utility { font-size: 0.68rem; letter-spacing: 0.03em; }
  .isl-utility__inner { justify-content: center; text-align: center; padding: 7px 0; gap: 4px; }
  .isl-utility__where { justify-content: center; }

  .isl-opener { padding-top: 52px; }
  .isl-opener h1 { font-size: clamp(2.05rem, 9.4vw, 2.7rem); margin-bottom: 18px; }
  .isl-opener .isl-lede { font-size: 1rem; line-height: 1.66; }
  .isl-stamp { font-size: 0.595rem; letter-spacing: 0.14em; padding: 6px 12px; }
  .isl-ribbon { padding: 44px 0 40px; }
  .isl-chip { padding: 18px 12px; }
  .isl-chip__value { font-size: 1.55rem; }
  .isl-columns--2, .isl-columns--3, .isl-columns--4 { grid-template-columns: 1fr; }
  .isl-rail, .isl-rail--four { grid-template-columns: 1fr; }
  .isl-rail__stop { border-right: 0; }
  .isl-pair { grid-template-columns: 1fr; }
  .isl-crest__type strong { font-size: 1.22rem; }
  .isl-crest__type em { font-size: 0.56rem; letter-spacing: 0.12em; }
  .isl-opener__buttons .isl-action,
  .isl-call__buttons .isl-action { width: 100%; }
  .isl-formcard { padding: 26px 20px 30px; }
  .isl-slab { padding: 26px 22px; }
  .isl-qa__row { grid-template-columns: 1fr; gap: 6px; }
  .isl-basement__grid { grid-template-columns: 1fr; gap: 32px; }
  .isl-pullout { font-size: 1.12rem; }
}