/* ==========================================================================
   Ninefold Kitchens — Charlotte, North Carolina
   --------------------------------------------------------------------------
   Design intent: a workshop, not a showroom. Warm neutrals, one clay accent,
   heavy structural rules borrowed from architectural drawings. Type is a
   tight grotesque for headings — this trade sells competence, not elegance.
   ========================================================================== */

:root {
  /* Charcoal — warm, kiln-fired, never blue */
  --char-900: #171614;
  --char-800: #23211e;
  --char-700: #3a3733;
  --char-600: #55504a;
  --char-500: #756f67;
  --char-400: #9c958c;
  --char-300: #c5bfb6;
  --char-200: #e0dbd3;
  --char-100: #efebe4;

  /* Sand — the page */
  --sand: #faf7f2;
  --sand-raised: #ffffff;
  --sand-sunken: #f2ede4;

  /* Clay — the single accent */
  --clay-800: #8d3f1f;
  --clay-700: #a84c26;
  --clay-600: #c25a2c;
  --clay-300: #e8a883;
  --clay-100: #f8e6da;

  /* Semantic */
  --good-700: #2f6b4f;
  --good-100: #e2f0e8;
  --warn-700: #8a5a12;
  --warn-100: #f9eed7;
  --bad-700: #93341f;

  --font-display: 'Inter Tight', 'Inter', -apple-system, BlinkMacSystemFont,
    'Segoe UI', Roboto, Arial, sans-serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  --t-xs: 0.75rem;
  --t-sm: 0.8125rem;
  --t-base: 0.9375rem;
  --t-md: 1.0625rem;
  --t-lg: 1.25rem;
  --t-xl: 1.5rem;
  --t-2xl: 2rem;
  --t-3xl: 2.85rem;
  --t-4xl: 4rem;

  --lh-tight: 1.02;
  --lh-snug: 1.22;
  --lh-base: 1.6;
  --lh-loose: 1.75;

  --s-1: 0.25rem; --s-2: 0.5rem;  --s-3: 0.75rem; --s-4: 1rem;
  --s-5: 1.5rem;  --s-6: 2rem;    --s-7: 3rem;    --s-8: 4rem;
  --s-9: 6rem;    --s-10: 8rem;

  --measure: 34rem;
  --shell: 76rem;
  --shell-narrow: 54rem;

  --radius-sm: 2px;
  --radius: 4px;
  --radius-lg: 8px;

  --lift-1: 0 1px 2px rgba(23, 22, 20, 0.06);
  --lift-2: 0 6px 20px rgba(23, 22, 20, 0.07), 0 1px 3px rgba(23, 22, 20, 0.05);
  --lift-3: 0 24px 56px rgba(23, 22, 20, 0.12), 0 2px 8px rgba(23, 22, 20, 0.05);

  --ease: cubic-bezier(0.2, 0.6, 0.35, 1);
  --dur: 200ms;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 6rem; }

body {
  margin: 0;
  background: var(--sand);
  color: var(--char-700);
  font-family: var(--font-ui);
  font-size: var(--t-md);
  line-height: var(--lh-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--clay-100); color: var(--char-900); }
:focus-visible { outline: 2px solid var(--clay-700); outline-offset: 3px; border-radius: 2px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; top: -100%; left: var(--s-4); z-index: 200;
  padding: var(--s-3) var(--s-5); background: var(--char-900); color: #fff;
  border-radius: 0 0 var(--radius) var(--radius); text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: 0; }

/* --- type --------------------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--char-900);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 var(--s-4);
  text-wrap: balance;
}
h1 { font-size: var(--t-4xl); line-height: var(--lh-tight); letter-spacing: -0.045em; }
h2 { font-size: var(--t-3xl); line-height: var(--lh-snug); letter-spacing: -0.035em; }
h3 { font-size: var(--t-xl); line-height: var(--lh-snug); letter-spacing: -0.02em; }
h4 { font-size: var(--t-lg); line-height: var(--lh-snug); letter-spacing: -0.015em; }

p { margin: 0 0 var(--s-4); }
p:last-child { margin-bottom: 0; }

.lede { font-size: var(--t-lg); line-height: var(--lh-loose); color: var(--char-600); max-width: var(--measure); }
.section-note { max-width: var(--measure); color: var(--char-600); font-size: var(--t-base); line-height: var(--lh-loose); }
strong { font-weight: 650; color: var(--char-900); }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--s-3);
  margin: 0 0 var(--s-5);
  font-size: var(--t-xs); font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--clay-700);
}
.eyebrow::before { content: ''; width: 1.5rem; height: 2px; background: var(--clay-600); }
.eyebrow--on-dark { color: var(--clay-300); }
.eyebrow--on-dark::before { background: var(--clay-600); }

code {
  font-family: var(--font-mono); font-size: 0.9em;
  background: var(--sand-sunken); padding: 0.1em 0.35em; border-radius: var(--radius-sm);
}

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

.shell { width: 100%; max-width: var(--shell); margin-inline: auto; padding-inline: var(--s-6); }
.shell--narrow { max-width: var(--shell-narrow); }

.section { padding-block: var(--s-9); }
.section--tight { padding-block: var(--s-8); }
.section--sunken { background: var(--sand-sunken); }
.section--dark { background: var(--char-900); color: rgba(255,255,255,0.72); }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark .lede, .section--dark .section-note { color: rgba(255,255,255,0.68); }

.section__head { max-width: 46rem; margin-bottom: var(--s-7); }

.grid { display: grid; gap: var(--s-6); }
.grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid--split { grid-template-columns: minmax(0,1fr) minmax(0,1.1fr); gap: var(--s-8); }

/* --- demo ribbon -------------------------------------------------------- */

.demo-ribbon { position: relative; z-index: 60; background: var(--char-900); color: rgba(255,255,255,0.86); font-size: var(--t-sm); line-height: 1.45; }
.demo-ribbon__inner { display: flex; align-items: center; gap: var(--s-4); padding-block: var(--s-3); }
.demo-ribbon__tag {
  flex: none; padding: 0.15rem var(--s-3); border: 1px solid var(--clay-600);
  border-radius: 999px; color: var(--clay-300); font-size: var(--t-xs);
  font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
}
.demo-ribbon__text { margin: 0; }
.demo-ribbon__close {
  margin-left: auto; flex: none; background: none; border: 0;
  color: rgba(255,255,255,0.55); font-size: var(--t-lg); line-height: 1;
  padding: var(--s-2); cursor: pointer; border-radius: var(--radius-sm);
}
.demo-ribbon__close:hover { color: #fff; }

/* --- header ------------------------------------------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 247, 242, 0.88);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--char-200); box-shadow: var(--lift-1); }
.site-header__inner { display: flex; align-items: center; gap: var(--s-6); min-height: 4.75rem; }

.wordmark {
  display: inline-flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: var(--char-900);
  font-family: var(--font-display); font-size: var(--t-lg); font-weight: 700;
  letter-spacing: -0.035em; white-space: nowrap;
}
.wordmark__mark {
  width: 1.5rem; height: 1.5rem; flex: none;
  border: 2px solid var(--clay-600); border-radius: var(--radius-sm);
  position: relative;
}
.wordmark__mark::after {
  content: ''; position: absolute; inset: 3px 3px auto 3px; height: 2px; background: var(--clay-600);
}
.wordmark__sub {
  font-size: var(--t-xs); font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--char-500);
}

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: var(--s-6); list-style: none; margin: 0; padding: 0; }
.nav__list a {
  color: var(--char-700); text-decoration: none; font-size: var(--t-base); font-weight: 500;
  padding-block: var(--s-2); border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav__list a:hover { color: var(--char-900); border-bottom-color: var(--clay-600); }

.nav-toggle {
  display: none; margin-left: auto; width: 2.75rem; height: 2.75rem;
  background: none; border: 1px solid var(--char-200); border-radius: var(--radius);
  cursor: pointer; padding: 0; place-items: center;
}
.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after {
  display: block; width: 1.15rem; height: 2px; background: var(--char-800);
  transition: transform var(--dur) var(--ease);
}
.nav-toggle__bar { position: relative; }
.nav-toggle__bar::before, .nav-toggle__bar::after { content: ''; position: absolute; left: 0; }
.nav-toggle__bar::before { top: -0.35rem; }
.nav-toggle__bar::after { top: 0.35rem; }
.nav-toggle[aria-expanded='true'] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded='true'] .nav-toggle__bar::before { transform: translateY(0.35rem) rotate(45deg); }
.nav-toggle[aria-expanded='true'] .nav-toggle__bar::after { transform: translateY(-0.35rem) rotate(-45deg); }

.header-cta { flex: none; }

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

.btn {
  --btn-bg: var(--clay-700); --btn-fg: #fff; --btn-bd: var(--clay-700);
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  padding: 0.72rem 1.35rem; background: var(--btn-bg); color: var(--btn-fg);
  border: 1px solid var(--btn-bd); border-radius: var(--radius);
  font-size: var(--t-base); font-weight: 650; text-decoration: none; cursor: pointer;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.btn:hover { --btn-bg: var(--clay-800); --btn-bd: var(--clay-800); box-shadow: var(--lift-2); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; box-shadow: none; transform: none; }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--char-800); --btn-bd: var(--char-300); }
.btn--ghost:hover { --btn-bg: var(--sand-raised); --btn-fg: var(--char-900); --btn-bd: var(--char-400); }
.btn--on-dark { --btn-bg: #fff; --btn-fg: var(--char-900); --btn-bd: #fff; }
.btn--on-dark:hover { --btn-bg: var(--clay-100); --btn-bd: var(--clay-100); }
.btn--lg { padding: 0.95rem 1.85rem; font-size: var(--t-md); }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--clay-700); font-weight: 650; font-size: var(--t-base); text-decoration: none;
}
.link-arrow::after { content: '\2192'; transition: transform var(--dur) var(--ease); }
.link-arrow:hover::after { transform: translateX(0.2rem); }

/* --- hero --------------------------------------------------------------- */

.hero { position: relative; padding-block: var(--s-10) var(--s-9); overflow: hidden; }
/* Faint construction grid — a plan sheet, not decoration. */
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--char-100) 1px, transparent 1px),
    linear-gradient(90deg, var(--char-100) 1px, transparent 1px);
  background-size: 4rem 4rem;
  opacity: 0.7;
  mask-image: radial-gradient(120% 90% at 78% 30%, #000 0%, transparent 68%);
  -webkit-mask-image: radial-gradient(120% 90% at 78% 30%, #000 0%, transparent 68%);
  pointer-events: none;
}
.hero > * { position: relative; }
.hero__grid { display: grid; grid-template-columns: minmax(0,1.02fr) minmax(0,0.98fr); gap: var(--s-8); align-items: center; }
.hero h1 { margin-bottom: var(--s-5); }
.hero h1 em { font-style: normal; color: var(--clay-700); }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4); margin-top: var(--s-6); }
.hero__reassure { margin-top: var(--s-5); font-size: var(--t-sm); color: var(--char-500); }

.hero__card {
  background: var(--sand-raised); border: 1px solid var(--char-200);
  border-radius: var(--radius-lg); box-shadow: var(--lift-3); padding: var(--s-6);
}
.hero__card-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-4);
  padding-bottom: var(--s-4); border-bottom: 1px solid var(--char-100); margin-bottom: var(--s-5);
}
.hero__card-title { font-family: var(--font-display); font-size: var(--t-lg); font-weight: 700; color: var(--char-900); letter-spacing: -0.02em; }
.hero__card-tag { font-size: var(--t-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--clay-700); }
.hero__card-list { list-style: none; margin: 0 0 var(--s-5); padding: 0; display: grid; gap: var(--s-4); }
.hero__card-list li {
  display: grid; grid-template-columns: 1.35rem 1fr; gap: var(--s-3);
  font-size: var(--t-base); line-height: var(--lh-base); color: var(--char-600);
}
.hero__card-list li::before { content: '\2713'; color: var(--clay-600); font-weight: 700; line-height: 1.5; }

/* --- proof strip -------------------------------------------------------- */

.proof { border-block: 1px solid var(--char-200); background: var(--sand-raised); padding-block: var(--s-6); }
.proof__grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--s-6); }
.proof__item { display: grid; gap: var(--s-2); }
.proof__figure {
  font-family: var(--font-display); font-size: var(--t-3xl); font-weight: 700; line-height: 1;
  color: var(--char-900); letter-spacing: -0.045em; font-variant-numeric: tabular-nums;
}
.proof__figure em { font-style: normal; font-size: 0.42em; letter-spacing: -0.01em; color: var(--char-500); }
.proof__label { font-size: var(--t-base); color: var(--char-700); line-height: var(--lh-snug); max-width: 22rem; }
.proof__source { font-size: var(--t-xs); color: var(--char-500); }

.sources {
  margin-top: var(--s-6); padding-top: var(--s-5); border-top: 1px solid var(--char-200);
  font-size: var(--t-sm); color: var(--char-500); line-height: var(--lh-base);
}
.sources__title { font-weight: 700; color: var(--char-700); margin-bottom: var(--s-2); }
.sources ol { margin: 0; padding-left: 1.2rem; display: grid; gap: var(--s-2); }
.sources a { color: var(--char-600); }

/* --- cards -------------------------------------------------------------- */

.card {
  background: var(--sand-raised); border: 1px solid var(--char-200);
  border-radius: var(--radius-lg); padding: var(--s-6);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card--hover:hover { box-shadow: var(--lift-2); border-color: var(--char-300); transform: translateY(-2px); }
.card__index { display: block; font-family: var(--font-mono); font-size: var(--t-xs); color: var(--clay-700); letter-spacing: 0.08em; margin-bottom: var(--s-4); }
.card h3 { margin-bottom: var(--s-3); }
.card p { color: var(--char-600); font-size: var(--t-base); line-height: var(--lh-loose); }
.card__list { list-style: none; margin: var(--s-4) 0 0; padding: 0; display: grid; gap: var(--s-2); font-size: var(--t-base); color: var(--char-600); }
.card__list li { display: grid; grid-template-columns: 1rem 1fr; gap: var(--s-3); }
.card__list li::before { content: '\2014'; color: var(--clay-600); }
.card__price { display: flex; align-items: baseline; gap: var(--s-2); margin-top: var(--s-5); padding-top: var(--s-4); border-top: 1px solid var(--char-100); }
.card__price-figure { font-family: var(--font-display); font-size: var(--t-xl); font-weight: 700; color: var(--char-900); letter-spacing: -0.03em; }
.card__price-note { font-size: var(--t-sm); color: var(--char-500); }

.candid { border-left: 3px solid var(--clay-600); padding-left: var(--s-6); max-width: 40rem; }
.candid p { font-family: var(--font-display); font-size: var(--t-xl); line-height: var(--lh-snug); color: var(--char-900); letter-spacing: -0.025em; font-weight: 600; }
.candid footer { margin-top: var(--s-4); font-size: var(--t-sm); color: var(--char-500); line-height: var(--lh-base); }

/* --- calculator --------------------------------------------------------- */

.calc { display: grid; grid-template-columns: 21rem minmax(0,1fr); gap: var(--s-7); }
.calc__controls {
  background: var(--sand-raised); border: 1px solid var(--char-200); border-radius: var(--radius-lg);
  padding: var(--s-6); align-self: start; position: sticky; top: 6.5rem; box-shadow: var(--lift-1);
}

.field { margin-bottom: var(--s-5); }
.field:last-child { margin-bottom: 0; }
.field__label {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-3);
  font-size: var(--t-base); font-weight: 650; color: var(--char-800); margin-bottom: var(--s-3);
}
.field__value { font-family: var(--font-mono); font-size: var(--t-base); color: var(--clay-800); font-variant-numeric: tabular-nums; }
.field__hint { display: block; margin-top: var(--s-2); font-size: var(--t-sm); color: var(--char-500); line-height: 1.5; }

input[type='number'], input[type='text'], input[type='email'], input[type='tel'], select, textarea {
  width: 100%; padding: 0.62rem 0.75rem; background: var(--sand);
  border: 1px solid var(--char-300); border-radius: var(--radius);
  font-size: var(--t-base); color: var(--char-900);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
input:hover, select:hover, textarea:hover { border-color: var(--char-400); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--clay-700); box-shadow: 0 0 0 3px rgba(194, 90, 44, 0.15); }
input[aria-invalid='true'] { border-color: var(--bad-700); }
textarea { resize: vertical; min-height: 6rem; line-height: var(--lh-base); }
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%2355504a' stroke-width='1.6' d='M1 1.5 6 6.5l5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.75rem center; padding-right: 2.25rem;
}
input[type='range'] { -webkit-appearance: none; appearance: none; width: 100%; height: 1.5rem; background: transparent; cursor: pointer; padding: 0; border: 0; }
input[type='range']::-webkit-slider-runnable-track { height: 3px; background: var(--char-200); border-radius: 999px; }
input[type='range']::-moz-range-track { height: 3px; background: var(--char-200); border-radius: 999px; }
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none; width: 1.1rem; height: 1.1rem; margin-top: -0.5rem; border-radius: 50%;
  background: var(--clay-700); border: 2px solid var(--sand-raised); box-shadow: var(--lift-2);
}
input[type='range']::-moz-range-thumb {
  width: 1.1rem; height: 1.1rem; border-radius: 50%;
  background: var(--clay-700); border: 2px solid var(--sand-raised); box-shadow: var(--lift-2);
}

/* Segmented control — scope & size read better as a choice than a dropdown. */
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 0; border: 1px solid var(--char-300); border-radius: var(--radius); overflow: hidden; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label {
  padding: 0.55rem 0.5rem; text-align: center; font-size: var(--t-sm); font-weight: 600;
  color: var(--char-600); background: var(--sand); cursor: pointer;
  border-right: 1px solid var(--char-300);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.seg label:last-of-type { border-right: 0; }
.seg label:hover { background: var(--char-100); }
.seg input:checked + label { background: var(--clay-700); color: #fff; }
.seg input:focus-visible + label { outline: 2px solid var(--clay-700); outline-offset: -2px; }

/* --- results ------------------------------------------------------------ */

.calc__results { display: grid; gap: var(--s-5); align-content: start; }

.verdict {
  border: 1px solid var(--char-200); border-left-width: 4px; border-radius: var(--radius-lg);
  padding: var(--s-6); background: var(--sand-raised);
}
.verdict.is-good { border-left-color: var(--good-700); background: var(--good-100); }
.verdict.is-neutral { border-left-color: var(--char-500); background: var(--char-100); }
.verdict.is-warn { border-left-color: var(--warn-700); background: var(--warn-100); }
.verdict__headline {
  font-family: var(--font-display); font-size: var(--t-xl); font-weight: 700;
  letter-spacing: -0.025em; color: var(--char-900); margin-bottom: var(--s-3);
}
.verdict__text { margin: 0; font-size: var(--t-md); line-height: var(--lh-loose); color: var(--char-800); max-width: 44rem; }

.figures { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 0; background: var(--sand-raised); border: 1px solid var(--char-200); border-radius: var(--radius-lg); overflow: hidden; }
.figure { padding: var(--s-5); border-right: 1px solid var(--char-200); display: grid; gap: var(--s-2); align-content: start; }
.figure:last-child { border-right: 0; }
.figure__label { font-size: var(--t-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--char-500); }
.figure__value {
  font-family: var(--font-display); font-size: var(--t-2xl); font-weight: 700; line-height: 1;
  letter-spacing: -0.04em; color: var(--char-900); font-variant-numeric: tabular-nums;
}
.figure__value.is-good { color: var(--good-700); }
.figure__value.is-warn { color: var(--warn-700); }
.figure__note { font-size: var(--t-sm); color: var(--char-500); line-height: 1.45; }

.ledger { background: var(--sand-raised); border: 1px solid var(--char-200); border-radius: var(--radius-lg); padding: var(--s-6); }
.ledger__title { font-family: var(--font-display); font-size: var(--t-lg); font-weight: 700; letter-spacing: -0.025em; color: var(--char-900); margin-bottom: var(--s-1); }
.ledger__sub { font-size: var(--t-sm); color: var(--char-500); margin-bottom: var(--s-5); }
.line-items { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-4); }
.line-item { padding-bottom: var(--s-4); border-bottom: 1px dotted var(--char-200); }
.line-item:last-child { border-bottom: 0; padding-bottom: 0; }
.line-item__head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-4); margin-bottom: var(--s-2); }
.line-item__label { font-size: var(--t-base); font-weight: 650; color: var(--char-800); }
.line-item__value { font-family: var(--font-mono); font-size: var(--t-base); color: var(--char-900); font-variant-numeric: tabular-nums; white-space: nowrap; }
.line-item__note { margin: 0; font-size: var(--t-sm); line-height: 1.55; color: var(--char-500); }

/* Stacked bar: what you get back vs what it costs you */
.split { display: grid; gap: var(--s-3); }
.split__bar { display: flex; height: 2.25rem; border-radius: var(--radius); overflow: hidden; background: var(--char-100); }
.split__seg { display: grid; place-items: center; font-size: var(--t-xs); font-weight: 700; color: #fff; transition: width 320ms var(--ease); overflow: hidden; white-space: nowrap; }
.split__seg--back { background: var(--good-700); }
.split__seg--gone { background: var(--clay-700); }
.split__key { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); font-size: var(--t-sm); color: var(--char-600); }
.split__key span { display: inline-flex; align-items: center; gap: var(--s-2); }
.split__key i { width: 0.7rem; height: 0.7rem; border-radius: 2px; display: inline-block; }

.calc__disclaimer {
  font-size: var(--t-sm); line-height: var(--lh-base); color: var(--char-500);
  background: var(--sand-sunken); border: 1px solid var(--char-200);
  border-radius: var(--radius); padding: var(--s-5);
}
.calc__disclaimer strong { color: var(--char-700); }

/* --- steps, faq --------------------------------------------------------- */

.steps { counter-reset: step; display: grid; gap: var(--s-6); }
.step { display: grid; grid-template-columns: 3rem minmax(0,1fr); gap: var(--s-5); padding-bottom: var(--s-6); border-bottom: 1px solid var(--char-200); }
.step:last-child { border-bottom: 0; padding-bottom: 0; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono); font-size: var(--t-sm); color: var(--clay-700);
  padding-top: 0.35rem; letter-spacing: 0.06em;
}
.step h3 { margin-bottom: var(--s-2); }
.step p { color: var(--char-600); font-size: var(--t-base); line-height: var(--lh-loose); max-width: 42rem; }

.faq { display: grid; max-width: 48rem; }
.faq details { border-bottom: 1px solid var(--char-200); }
.faq details:first-of-type { border-top: 1px solid var(--char-200); }
.faq summary {
  display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s-5);
  padding-block: var(--s-5); cursor: pointer; list-style: none;
  font-family: var(--font-display); font-size: var(--t-lg); font-weight: 700;
  letter-spacing: -0.025em; color: var(--char-900); line-height: var(--lh-snug);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; flex: none; font-size: var(--t-xl); font-weight: 400; line-height: 1; color: var(--clay-600); transition: transform var(--dur) var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding-bottom: var(--s-5); max-width: var(--measure); color: var(--char-600); font-size: var(--t-base); line-height: var(--lh-loose); }

/* --- portfolio placeholder --------------------------------------------- */

.gallery { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--s-5); }
.gallery__slot {
  aspect-ratio: 4 / 3; border: 2px dashed var(--char-300); border-radius: var(--radius-lg);
  background: var(--sand-sunken); display: grid; place-content: center; text-align: center;
  padding: var(--s-5); gap: var(--s-2);
}
.gallery__slot-title { font-family: var(--font-display); font-weight: 700; color: var(--char-600); font-size: var(--t-base); letter-spacing: -0.015em; }
.gallery__slot-note { font-size: var(--t-sm); color: var(--char-500); max-width: 16rem; line-height: 1.45; }

.pending {
  display: inline-flex; align-items: center; gap: var(--s-2);
  font-size: var(--t-sm); font-weight: 650; color: var(--clay-700); letter-spacing: 0.03em;
}
.pending::before { content: ''; width: 0.4rem; height: 0.4rem; border-radius: 50%; background: var(--clay-600); }
.pending--on-dark { color: var(--clay-300); }
.pending--on-dark::before { background: var(--clay-300); }

/* --- contact & form ----------------------------------------------------- */

.contact { display: grid; grid-template-columns: minmax(0,0.9fr) minmax(0,1.1fr); gap: var(--s-8); }
.contact__detail { display: grid; gap: var(--s-1); padding-block: var(--s-4); border-bottom: 1px solid rgba(255,255,255,0.12); }
.contact__detail:last-of-type { border-bottom: 0; }
.contact__detail-label { font-size: var(--t-xs); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--clay-300); }
.contact__detail-value { font-size: var(--t-md); color: #fff; }
.contact__detail-note { font-size: var(--t-sm); color: rgba(255,255,255,0.55); }

.form-card { background: var(--sand-raised); border-radius: var(--radius-lg); padding: var(--s-7); box-shadow: var(--lift-3); color: var(--char-700); }
.form-card h3 { margin-bottom: var(--s-2); }
.form-card > p { color: var(--char-600); font-size: var(--t-base); margin-bottom: var(--s-6); }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--s-5); }
.form-field { margin-bottom: var(--s-5); }
.form-field label { display: block; font-size: var(--t-base); font-weight: 650; color: var(--char-800); margin-bottom: var(--s-2); }
.form-field .req { color: var(--bad-700); }
.form-error { display: block; margin-top: var(--s-2); min-height: 1.1rem; font-size: var(--t-sm); color: var(--bad-700); }
.form-status { margin-top: var(--s-5); padding: var(--s-4) var(--s-5); border-radius: var(--radius); font-size: var(--t-base); line-height: var(--lh-base); }
.form-status:empty { display: none; }
.form-status.is-error { background: #fbeae6; color: var(--bad-700); }
.form-status.is-info { background: var(--char-100); color: var(--char-700); }
.form-legal { margin-top: var(--s-5); font-size: var(--t-sm); line-height: var(--lh-base); color: var(--char-500); }

/* --- footer ------------------------------------------------------------- */

.site-footer { background: var(--char-900); color: rgba(255,255,255,0.62); padding-block: var(--s-8) var(--s-6); font-size: var(--t-base); }
.site-footer a { color: rgba(255,255,255,0.82); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer__top { display: grid; grid-template-columns: minmax(0,1.4fr) repeat(2, minmax(0,1fr)); gap: var(--s-7); padding-bottom: var(--s-7); border-bottom: 1px solid rgba(255,255,255,0.1); }
.site-footer .wordmark { color: #fff; }
.site-footer .wordmark__sub { color: rgba(255,255,255,0.5); }
.site-footer__blurb { margin-top: var(--s-4); max-width: 26rem; line-height: var(--lh-loose); }
.site-footer h4 { color: #fff; font-size: var(--t-xs); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: var(--s-4); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-3); }
.site-footer__bottom { display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-6); padding-top: var(--s-6); font-size: var(--t-sm); color: rgba(255,255,255,0.45); }
.site-footer__bottom p { margin: 0; max-width: 48rem; line-height: var(--lh-base); }

/* --- motion ------------------------------------------------------------- */

[data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity 520ms var(--ease), transform 520ms var(--ease); }
[data-reveal].is-revealed { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* --- responsive --------------------------------------------------------- */

@media (max-width: 70rem) {
  :root { --t-4xl: 3.1rem; --t-3xl: 2.3rem; }
  .hero__grid { grid-template-columns: 1fr; gap: var(--s-7); }
  .calc { grid-template-columns: 1fr; }
  .calc__controls { position: static; }
  .contact, .grid--split { grid-template-columns: 1fr; }
  .figures { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .figure:nth-child(2) { border-right: 0; }
  .figure:nth-child(-n+2) { border-bottom: 1px solid var(--char-200); }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 52rem) {
  :root { --t-4xl: 2.5rem; --t-3xl: 1.95rem; --t-2xl: 1.6rem; --s-9: 4rem; --s-10: 4.5rem; }
  .shell { padding-inline: var(--s-5); }
  .nav-toggle { display: grid; }
  .header-cta { display: none; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0; background: var(--sand-raised);
    border-bottom: 1px solid var(--char-200); box-shadow: var(--lift-2); display: none;
  }
  .nav.is-open { display: block; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; padding: var(--s-3) var(--s-5) var(--s-5); }
  .nav__list a { display: block; padding-block: var(--s-4); border-bottom: 1px solid var(--char-100); }
  .grid--2, .grid--3, .form-row, .proof__grid, .gallery { grid-template-columns: 1fr; }
  .figures { grid-template-columns: 1fr; }
  .figure { border-right: 0; border-bottom: 1px solid var(--char-200); }
  .figure:last-child { border-bottom: 0; }
  .site-footer__top { grid-template-columns: 1fr; }
  .form-card { padding: var(--s-5); }
  .seg { grid-auto-flow: row; }
  .seg label { border-right: 0; border-bottom: 1px solid var(--char-300); }
  .seg label:last-of-type { border-bottom: 0; }
}

@media print {
  .demo-ribbon, .site-header, .nav, .site-footer, .btn { display: none !important; }
  body { background: #fff; }
  [data-reveal] { opacity: 1; transform: none; }
}