/* ===========================================================================
   SummitDev — Web Solutions. Elevated.
   Design direction: topographic / field-survey. Dark ground taken from the
   logo, brand blue as the only accent, contour lines and mono survey labels.
   Radius stays small on purpose. No glow, no gradient type.
   =========================================================================== */

/* --- 1. Reset ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }
img, svg, video { max-width: 100%; display: block; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; }

/* --- 2. Tokens ----------------------------------------------------------- */
:root {
  /* Ground — sampled from the logo backdrop */
  --ink-900: #07080a;
  --ink-850: #0a0c0f;
  --ink-800: #0e1116;
  --ink-750: #12161c;

  /* Brand blue — sampled from the logo mark */
  --blue-600: #1e5f9c;
  --blue-500: #2f80c9;
  --blue-400: #4f9fe0;
  --blue-300: #8cc4ee;
  --blue-ghost: rgba(79, 159, 224, 0.10);

  --snow: #f4f8fb;
  --fg: #dfe6ee;
  --fg-muted: #9aa5b3;
  --fg-dim: #6d7885;

  --line: rgba(255, 255, 255, 0.085);
  --line-2: rgba(255, 255, 255, 0.16);
  --line-blue: rgba(79, 159, 224, 0.28);

  /* Radius scale — small, and used sparingly */
  --r-1: 2px;
  --r-2: 4px;

  /* Spacing scale — every gap on the page comes from this list */
  --s-1: 4px;   --s-2: 8px;   --s-3: 12px;  --s-4: 16px;
  --s-5: 24px;  --s-6: 32px;  --s-7: 48px;  --s-8: 64px;
  --s-9: 96px;

  --wrap: 1180px;
  --gutter: 24px;

  --sans: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* Contour motif — thin survey arcs, very low alpha */
  --contour: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='320' height='320' viewBox='0 0 320 320'><g fill='none' stroke='rgba(140,196,238,0.17)' stroke-width='1'><path d='M-40 300 C 60 230 120 250 200 180 S 300 90 380 60'/><path d='M-40 340 C 60 270 120 290 200 220 S 300 130 380 100'/><path d='M-40 260 C 60 190 120 210 200 140 S 300 50 380 20'/><path d='M-40 220 C 60 150 120 170 200 100 S 300 10 380 -20'/></g></svg>");
}

/* --- 3. Base ------------------------------------------------------------- */
body {
  background: var(--ink-900);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  font-variation-settings: 'wdth' 100;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--blue-500); color: #fff; }

:focus-visible { outline: 2px solid var(--blue-400); outline-offset: 3px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--blue-500); color: #fff;
  padding: var(--s-3) var(--s-4); font: 500 13px/1 var(--mono);
}
.skip-link:focus { left: 0; }

/* --- 4. Type ------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--sans);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--snow);
  font-variation-settings: 'wdth' 112;
  text-wrap: balance;
}
h1 { font-size: clamp(2.3rem, 5.2vw, 3.9rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); line-height: 1.2; }
h4 { font-size: 1rem; font-variation-settings: 'wdth' 108; }

p { color: var(--fg-muted); }
p + p { margin-top: var(--s-4); }
.lede { font-size: clamp(1.04rem, 1.5vw, 1.2rem); color: var(--fg); line-height: 1.55; max-width: 60ch; }
.measure { max-width: 64ch; }

a.inline {
  color: var(--blue-300);
  text-decoration: none;
  border-bottom: 1px solid var(--line-blue);
  padding-bottom: 1px;
}
a.inline:hover { border-bottom-color: var(--blue-300); }

strong { color: var(--snow); font-weight: 600; }

/* Mono eyebrow that labels each section */
.rubric {
  display: flex; align-items: center; gap: var(--s-3);
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: var(--s-5);
}
.rubric span { color: var(--fg-dim); }

.mono-label {
  font: 500 11px/1.4 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

/* --- 5. Layout ----------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--s-9); position: relative; }
.section--tight { padding-block: var(--s-8); }
.section--edge { border-top: 1px solid var(--line); }
.section--panel { background: var(--ink-850); border-block: 1px solid var(--line); }

.stack > * + * { margin-top: var(--s-4); }
.stack-lg > * + * { margin-top: var(--s-6); }

/* --- 6. Header ----------------------------------------------------------- */
.masthead {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 8, 10, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.masthead__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-5);
  height: 74px;
}

/* Logo lockup — the summit mark (assets/logo-mark.svg) + wordmark in the page
   font. Swap the mark for a different file by editing assets/logo-mark.svg, or
   by pointing the <img src> in each page header/footer somewhere else. */
.logo { display: flex; align-items: center; gap: var(--s-3); text-decoration: none; flex: none; }
.logo img { width: 48px; height: auto; flex: none; }
.logo__type { display: flex; flex-direction: column; gap: 4px; line-height: 1; }
.logo__name {
  font-size: 17px; font-weight: 600;
  font-variation-settings: 'wdth' 118;
  letter-spacing: 0.13em;
  color: var(--snow);
  text-transform: uppercase;
}
.logo__name b { color: var(--blue-400); font-weight: 600; }
.logo__tag {
  font: 400 8px/1 var(--mono);
  letter-spacing: 0.19em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: var(--s-6); }
.nav a {
  text-decoration: none; font-size: 14px; color: var(--fg-muted);
  padding-block: var(--s-2); position: relative;
}
.nav a:hover { color: var(--snow); }
.nav a[aria-current='page'] { color: var(--snow); }
.nav a[aria-current='page']::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--blue-500);
}

.masthead__cta { display: flex; align-items: center; gap: var(--s-4); }
.masthead__phone {
  font: 500 13px/1 var(--mono); color: var(--fg-muted);
  text-decoration: none; letter-spacing: 0.02em;
}
.masthead__phone:hover { color: var(--blue-300); }

.burger {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-1);
  align-items: center; justify-content: center;
}
.burger span, .burger span::before, .burger span::after {
  content: ''; display: block;
  width: 17px; height: 1.5px; background: var(--snow);
  transition: transform .18s ease, opacity .18s ease;
}
.burger span::before { transform: translateY(-5.5px); }
.burger span::after  { transform: translateY(4px); }
.burger[aria-expanded='true'] span { background: transparent; }
.burger[aria-expanded='true'] span::before { transform: rotate(45deg); }
.burger[aria-expanded='true'] span::after  { transform: rotate(-45deg) translateY(-1.5px); }

.drawer {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--ink-850);
  padding: var(--s-5) 0 var(--s-6);
}
.drawer.is-open { display: block; }
.drawer a {
  display: block; text-decoration: none;
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--line);
  font-size: 16px; color: var(--fg);
}
.drawer .btn { margin-top: var(--s-5); width: 100%; }

/* --- 7. Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  padding: 13px 22px;
  border-radius: var(--r-1);
  font: 500 14px/1 var(--sans);
  font-variation-settings: 'wdth' 104;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--blue-500); color: #fff; }
.btn--primary:hover { background: var(--blue-400); }
.btn--ghost { border-color: var(--line-2); color: var(--fg); }
.btn--ghost:hover { border-color: var(--blue-400); color: var(--snow); }
.btn--lg { padding: 16px 28px; font-size: 15px; }
.btn svg { width: 14px; height: 14px; flex: none; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-3); }

/* --- 8. Hero ------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: var(--s-9) var(--s-8);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: -20% -10% auto auto;
  width: 900px; height: 700px;
  background-image: var(--contour);
  background-size: 640px 640px;
  opacity: .55;
  pointer-events: none;
  mask-image: radial-gradient(60% 60% at 70% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(60% 60% at 70% 30%, #000 0%, transparent 78%);
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: var(--s-8);
  align-items: start;
}
.hero h1 { margin-bottom: var(--s-5); }
.hero h1 em { font-style: normal; color: var(--blue-300); }
.hero .btn-row { margin-top: var(--s-6); }

.hero__meta {
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: var(--s-6);
}
.hero__meta div { min-width: 120px; }
.hero__meta dt { font: 500 11px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--fg-dim); }
.hero__meta dd { margin: 6px 0 0; font-size: 15px; color: var(--snow); font-weight: 500; }

/* Estimate card — the right half of the asymmetric hero */
.est-card {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-850));
  border: 1px solid var(--line-2);
  border-radius: var(--r-2);
  overflow: hidden;
}
.est-card__head {
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4);
  background: var(--ink-750);
}
.est-card__head span:first-child {
  font: 500 11px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--blue-300);
}
.est-card__head span:last-child { font: 400 11px/1 var(--mono); color: var(--fg-dim); }
.est-card__body { padding: var(--s-5); }
.est-card ul { display: grid; gap: var(--s-3); }
.est-card li {
  display: grid; grid-template-columns: 18px 1fr; gap: var(--s-3);
  font-size: 14px; color: var(--fg-muted); align-items: start;
}
.est-card li svg { width: 13px; height: 13px; margin-top: 5px; color: var(--blue-400); }
.est-card li b { color: var(--fg); font-weight: 500; }
.est-card__foot {
  padding: var(--s-4) var(--s-5);
  border-top: 1px solid var(--line);
  background: var(--ink-850);
  font: 400 12px/1.6 var(--mono); color: var(--fg-dim);
}

/* --- 9. Service split (two large asymmetric blocks, not a 3-card grid) --- */
.svc { border: 1px solid var(--line); border-radius: var(--r-2); overflow: hidden; }
.svc__row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) minmax(0, 0.92fr);
  gap: var(--s-6);
  padding: var(--s-7) var(--s-6);
  background: var(--ink-850);
}
.svc__row + .svc__row { border-top: 1px solid var(--line); }
.svc__num {
  font: 500 12px/1 var(--mono); letter-spacing: .1em; color: var(--blue-400);
  padding-top: 8px;
}
.svc__num i { display: block; font-style: normal; color: var(--fg-dim); margin-top: 7px; font-size: 11px; }
.svc__main h3 { margin-bottom: var(--s-3); }
.svc__main p { max-width: 46ch; }
.svc__main .btn { margin-top: var(--s-5); }
.svc__list { align-content: start; }
.svc__list li {
  display: flex; justify-content: space-between; gap: var(--s-4);
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px; color: var(--fg-muted);
}
.svc__list li:first-child { border-top: 1px dashed var(--line); }
.svc__list li b { color: var(--fg); font-weight: 500; }
.svc__list li span { font: 400 12px/1.5 var(--mono); color: var(--fg-dim); text-align: right; flex: none; }

/* --- 11. Ridge / process ------------------------------------------------- */
.ridge { position: relative; margin-top: var(--s-7); }
.ridge__line { width: 100%; height: 92px; display: block; color: var(--blue-600); }
.ridge__steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-5);
  margin-top: calc(var(--s-4) * -1);
}
.ridge__step { padding-top: var(--s-5); border-top: 1px solid var(--line); position: relative; }
.ridge__step::before {
  content: ''; position: absolute; top: -3px; left: 0;
  width: 5px; height: 5px; background: var(--blue-400);
}
.ridge__step h4 { margin-bottom: var(--s-2); color: var(--snow); }
.ridge__step p { font-size: 14px; }
.ridge__step .mono-label { margin-bottom: var(--s-3); display: block; }

/* --- 12. Data rows ------------------------------------------------------- */
.rows { border-top: 1px solid var(--line); }
.rows__item {
  display: grid;
  grid-template-columns: 64px minmax(0, 250px) minmax(0, 1fr);
  gap: var(--s-5);
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.rows__num { font: 500 12px/1.6 var(--mono); color: var(--blue-400); }
.rows__item h4 { color: var(--snow); }
.rows__item p { font-size: 15px; margin: 0; }

/* --- 13. Panels & callouts ----------------------------------------------- */
.panel {
  background: var(--ink-850);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  padding: var(--s-6);
}
.panel--blue {
  background: linear-gradient(180deg, rgba(47,128,201,.08), rgba(47,128,201,.02));
  border-color: var(--line-blue);
}
.panel h3 { margin-bottom: var(--s-3); }

.split { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: var(--s-8); align-items: start; }
.split--even { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.split--sticky > :first-child { position: sticky; top: 110px; }

.cols-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-6); }
.cols-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); }

/* Checklist */
.checks { display: grid; gap: var(--s-3); }
.checks li {
  display: grid; grid-template-columns: 17px 1fr; gap: var(--s-3);
  align-items: start; font-size: 15px; color: var(--fg-muted);
}
.checks li svg { width: 13px; height: 13px; margin-top: 6px; color: var(--blue-400); flex: none; }
.checks li b { color: var(--fg); font-weight: 500; }

/* Spec list */
.spec { border-top: 1px solid var(--line); }
.spec > div { padding: var(--s-5) 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 128px 1fr; gap: var(--s-5); }
.spec dt { font: 500 11px/1.7 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--fg-dim); }
.spec dd { margin: 0; font-size: 15px; color: var(--fg); }

/* --- 14. Work ------------------------------------------------------------ */
.work { display: grid; gap: var(--s-6); }
.work__item {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: var(--s-7);
  padding: var(--s-6);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--ink-850);
  align-items: center;
}
/* Alternate the screenshot to the right on every second project. The shot is
   already first in the DOM, so this has to push it *after* the copy. */
.work__item:nth-child(even) .work__shot { order: 2; }
.work__shot {
  aspect-ratio: 16 / 10;
  background: var(--ink-750) var(--contour);
  background-size: 320px 320px;
  border: 1px solid var(--line);
  border-radius: var(--r-1);
  display: grid; place-items: center;
  font: 400 12px/1.7 var(--mono); color: var(--fg-dim); text-align: center;
  padding: var(--s-4);
  overflow: hidden;
}
.work__shot img { width: 100%; height: 100%; object-fit: cover; }
.work__meta { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-4); }
.tag {
  font: 400 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--blue-300); border: 1px solid var(--line-blue);
  padding: 6px 9px; border-radius: var(--r-1);
}

/* --- 15. FAQ ------------------------------------------------------------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer;
  padding: var(--s-5) 0;
  display: flex; justify-content: space-between; align-items: center; gap: var(--s-5);
  font-size: 17px; font-weight: 500; color: var(--snow);
  font-variation-settings: 'wdth' 106;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font: 400 20px/1 var(--mono); color: var(--blue-400); flex: none; }
.faq details[open] summary::after { content: '\2013'; }
.faq details > div { padding-bottom: var(--s-5); max-width: 72ch; }

/* --- 16. Forms ----------------------------------------------------------- */
.form { display: grid; gap: var(--s-5); }
.field { display: grid; gap: var(--s-2); }
.field label { font: 500 11px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--fg-dim); }
.field label .req { color: var(--blue-400); }
.field input, .field textarea, .field select {
  background: var(--ink-800);
  border: 1px solid var(--line-2);
  border-radius: var(--r-1);
  padding: 13px 14px;
  font-size: 15px;
  color: var(--fg);
  width: 100%;
  transition: border-color .16s ease;
}
.field textarea { min-height: 132px; resize: vertical; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%239aa5b3' stroke-width='1.5'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue-400); outline: none; }
.field input::placeholder, .field textarea::placeholder { color: var(--fg-dim); }
.field .hint { font: 400 12px/1.6 var(--mono); color: var(--fg-dim); }
.field .err { font: 400 12px/1.6 var(--mono); color: #e0736b; display: none; }
.field.is-invalid input, .field.is-invalid textarea, .field.is-invalid select { border-color: #e0736b; }
.field.is-invalid .err { display: block; }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-5); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__note { font: 400 12px/1.7 var(--mono); color: var(--fg-dim); }
.form__status {
  display: none; padding: var(--s-4);
  border: 1px solid var(--line-blue); background: var(--blue-ghost);
  border-radius: var(--r-1); font-size: 14px; color: var(--fg);
}
.form__status.is-shown { display: block; }

/* --- 17. Contact lines --------------------------------------------------- */
.contact-lines { border-top: 1px solid var(--line); }
.contact-lines > div { padding: var(--s-4) 0; border-bottom: 1px solid var(--line); }
.contact-lines dt { font: 500 11px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--fg-dim); margin-bottom: 6px; }
.contact-lines dd { margin: 0; font-size: 16px; color: var(--snow); }
.contact-lines dd a { text-decoration: none; }
.contact-lines dd a:hover { color: var(--blue-300); }

/* --- 18. CTA band -------------------------------------------------------- */
.cta {
  border-top: 1px solid var(--line);
  background: var(--ink-850);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute; inset: auto auto -60% -8%;
  width: 760px; height: 620px;
  background-image: var(--contour);
  background-size: 520px 520px;
  opacity: .45;
  mask-image: radial-gradient(60% 60% at 30% 70%, #000 0%, transparent 76%);
  -webkit-mask-image: radial-gradient(60% 60% at 30% 70%, #000 0%, transparent 76%);
  pointer-events: none;
}
.cta__inner {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--s-7); align-items: center;
  padding-block: var(--s-8);
}
.cta h2 { margin-bottom: var(--s-3); }

/* --- 19. Footer ---------------------------------------------------------- */
.footer { border-top: 1px solid var(--line); padding-block: var(--s-8) var(--s-6); background: var(--ink-900); }
.footer__top { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: var(--s-7); }
.footer__col h4 {
  font: 500 11px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase;
  color: var(--fg-dim); margin-bottom: var(--s-4); font-variation-settings: normal;
}
.footer__col ul { display: grid; gap: var(--s-3); }
.footer__col a { text-decoration: none; font-size: 14px; color: var(--fg-muted); }
.footer__col a:hover { color: var(--blue-300); }
.footer__brand p { font-size: 14px; margin-top: var(--s-4); max-width: 34ch; }
.footer__bottom {
  margin-top: var(--s-7); padding-top: var(--s-5);
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-4);
  font: 400 12px/1.7 var(--mono); color: var(--fg-dim);
}

/* --- 20. Page head ------------------------------------------------------- */
.pagehead {
  padding-block: var(--s-8) var(--s-7);
  border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.pagehead::before {
  content: ''; position: absolute; inset: -40% -6% auto auto;
  width: 620px; height: 520px;
  background-image: var(--contour); background-size: 460px 460px;
  opacity: .4;
  mask-image: radial-gradient(60% 60% at 70% 40%, #000 0%, transparent 76%);
  -webkit-mask-image: radial-gradient(60% 60% at 70% 40%, #000 0%, transparent 76%);
  pointer-events: none;
}
.pagehead > .wrap { position: relative; }
.pagehead h1 { max-width: 19ch; margin-bottom: var(--s-5); }
.crumbs { font: 400 12px/1 var(--mono); color: var(--fg-dim); margin-bottom: var(--s-5); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--blue-300); }

/* --- 21. Responsive ------------------------------------------------------ */
@media (max-width: 1000px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--s-7); }
  .split, .split--even { grid-template-columns: 1fr; gap: var(--s-6); }
  .split--sticky > :first-child { position: static; }
  .svc__row { grid-template-columns: 1fr; gap: var(--s-5); padding: var(--s-6) var(--s-5); }
  .svc__num { display: flex; gap: var(--s-3); padding-top: 0; }
  .svc__num i { margin-top: 0; }
  .ridge__steps { grid-template-columns: repeat(2, 1fr); gap: var(--s-6); }
  .ridge__line { display: none; }
  .ridge { margin-top: var(--s-6); }
  .ridge__steps { margin-top: 0; }
  .footer__top { grid-template-columns: repeat(2, 1fr); gap: var(--s-6); }
  .work__item { grid-template-columns: 1fr; gap: var(--s-5); }
  .work__item:nth-child(even) .work__shot { order: 0; }
  .cta__inner { grid-template-columns: 1fr; gap: var(--s-5); }
}

@media (max-width: 860px) {
  .nav, .masthead__cta .btn, .masthead__phone { display: none; }
  .burger { display: flex; }
  .section { padding-block: var(--s-8); }
  .hero { padding-block: var(--s-8) var(--s-7); }
  .cols-3, .cols-2 { grid-template-columns: 1fr; }
  .rows__item { grid-template-columns: 42px 1fr; }
  .rows__item p { grid-column: 2; }
  .form__row { grid-template-columns: 1fr; }
  .spec > div { grid-template-columns: 1fr; gap: var(--s-2); }
}

@media (max-width: 560px) {
  :root { --gutter: 18px; }
  .ridge__steps { grid-template-columns: 1fr; }
  .hero__meta { gap: var(--s-5); }
  .footer__top { grid-template-columns: 1fr; }
  .btn-row .btn { width: 100%; }
  .svc__list li { flex-direction: column; gap: var(--s-1); }
  .svc__list li span { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}