/* ============================================================
   Gratta Studio — stylesheet
   Plain CSS, custom properties, no build step. Sections:
     1. Design tokens (light + dark)
     2. Reset & base
     3. Layout utilities
     4. Typography helpers
     5. Buttons, links, tags
     6. Header & navigation
     7. Page hero (inner pages)
     8. Home: hero, strip
     9. Sections: heads, service grid, index list, approach,
        about, facts, stack, process, contact, forms
    10. Blog: list, post, prose, code
    11. CTA & footer
    12. Motion
    13. Responsive
    14. Print
   ============================================================ */

/* ------------------------------------------------------------
   1. Design tokens
   ------------------------------------------------------------ */
:root {
  color-scheme: light;

  /* Paper & ink */
  --color-bg:            #f4f3ef;
  --color-surface:       #fbfaf7;
  --color-surface-2:     #ebe9e3;
  --color-ink:           #161616;
  --color-ink-2:         #4f4e49;
  --color-ink-3:         #6f6d66;
  --color-line:          #d9d7d0;
  --color-line-strong:   #161616;

  /* Single accent: the dot in the logo */
  --color-accent:        #e4572e;
  --color-accent-text:   #bf4420;
  --color-accent-soft:   rgba(228, 87, 46, 0.12);

  /* Inverted band (used for the approach section, CTA and footer) */
  --color-dark-bg:       #151515;
  --color-dark-surface:  #1e1e1e;
  --color-dark-line:     #2f2f2f;
  --color-dark-ink:      #f1efe9;
  --color-dark-ink-2:    #a9a7a0;

  /* Typography */
  --font-sans: 'Archivo', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.0625rem;
  --text-lg:   1.1875rem;
  --text-xl:   1.375rem;
  --text-2xl:  1.75rem;
  --text-3xl:  2.25rem;
  --text-4xl:  3rem;
  --text-5xl:  3.75rem;
  --text-6xl:  4.75rem;

  --leading-tight:  1.05;
  --leading-snug:   1.25;
  --leading-normal: 1.55;
  --leading-loose:  1.7;

  --tracking-tight: -0.022em;
  --tracking-mono:  0.06em;

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max:   1200px;
  --container-prose: 720px;
  --container-pad:   clamp(1rem, 4vw, 2.5rem);
  --header-h:        64px;

  --radius-sm: 3px;
  --radius-md: 6px;

  --transition-fast: 160ms ease;
  --transition-base: 260ms cubic-bezier(.2,.7,.2,1);
}

/* Dark scheme: follows the OS unless <html data-theme> forces one */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --color-bg:           #151515;
    --color-surface:      #1c1c1c;
    --color-surface-2:    #232323;
    --color-ink:          #f1efe9;
    --color-ink-2:        #b3b1aa;
    --color-ink-3:        #8d8b83;
    --color-line:         #2f2e2b;
    --color-line-strong:  #f1efe9;
    --color-accent:       #ff6b40;
    --color-accent-text:  #ff7d57;
    --color-accent-soft:  rgba(255, 107, 64, 0.16);
    --color-dark-bg:      #0d0d0d;
    --color-dark-surface: #161616;
    --color-dark-line:    #2a2a2a;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --color-bg:           #151515;
  --color-surface:      #1c1c1c;
  --color-surface-2:    #232323;
  --color-ink:          #f1efe9;
  --color-ink-2:        #b3b1aa;
  --color-ink-3:        #8d8b83;
  --color-line:         #2f2e2b;
  --color-line-strong:  #f1efe9;
  --color-accent:       #ff6b40;
  --color-accent-text:  #ff7d57;
  --color-accent-soft:  rgba(255, 107, 64, 0.16);
  --color-dark-bg:      #0d0d0d;
  --color-dark-surface: #161616;
  --color-dark-line:    #2a2a2a;
}

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

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }
main:focus { outline: none; }

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

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: var(--color-ink-3);
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}
a:hover { text-decoration-color: currentColor; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  text-wrap: balance;
}

p { text-wrap: pretty; }

code, kbd, pre { font-family: var(--font-mono); }
:not(pre) > code {
  font-size: 0.86em;
  padding: 0.1em 0.4em;
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
}

ul[role="list"], ol[role="list"] { list-style: none; }

.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;
}

.skip-link {
  position: absolute; top: 0; left: 0; z-index: 200;
  padding: var(--space-3) var(--space-4);
  background: var(--color-ink); color: var(--color-bg);
  font-weight: 500; text-decoration: none;
  transform: translateY(-120%);
  transition: transform var(--transition-fast);
}
.skip-link:focus { transform: none; outline-offset: -2px; }

/* ------------------------------------------------------------
   3. Layout utilities
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.container--prose { max-width: var(--container-prose); }

.section { padding-block: clamp(var(--space-16), 8vw, var(--space-24)); }
.section--first { padding-top: var(--space-4); }
.section--alt { background: var(--color-surface); border-block: 1px solid var(--color-line); }
.section--alt + .section--alt { border-top: 0; }
.section--dark {
  background: var(--color-dark-bg);
  color: var(--color-dark-ink);
  --color-ink: var(--color-dark-ink);
  --color-ink-2: var(--color-dark-ink-2);
  --color-ink-3: #8d8b83;
  --color-line: var(--color-dark-line);
  --color-line-strong: var(--color-dark-ink);
  --color-surface: var(--color-dark-surface);
  --color-surface-2: #262626;
  --color-accent-text: #ff8a66;
}

/* ------------------------------------------------------------
   4. Typography helpers
   ------------------------------------------------------------ */
.eyebrow,
.section-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--color-ink-2);
}
.eyebrow__sep { color: var(--color-accent); margin-inline: 0.35em; }
.eyebrow--prompt { text-transform: none; letter-spacing: 0.02em; }
.prompt { color: var(--color-accent); font-weight: 500; }
/* Block cursor after a prompt line; blinks under no-preference (section 12) */
.cursor {
  display: inline-block; width: 0.55em; height: 1em; margin-left: 0.2em;
  background: currentColor; vertical-align: -0.12em;
}
.eyebrow--light { color: var(--color-dark-ink-2); }

.section-index {
  display: block;
  margin-bottom: var(--space-4);
}
.section-index::before {
  content: '';
  display: inline-block;
  width: 1.5rem; height: 1px;
  background: var(--color-accent);
  vertical-align: middle;
  margin-right: var(--space-3);
}

.section-head { margin-bottom: clamp(var(--space-10), 5vw, var(--space-16)); max-width: 62ch; }
.section-head--row {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: var(--space-6) var(--space-12);
  align-items: end;
}
.section-head--row .section-lede { margin-top: 0; }

.section-title {
  font-size: clamp(var(--text-2xl), 3.4vw, var(--text-4xl));
  line-height: 1.1;
}
.section-title--sm { font-size: var(--text-xl); }

.section-lede {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--color-ink-2);
  max-width: 60ch;
}

.section-foot { margin-top: var(--space-10); }

.dot { color: var(--color-accent); }

/* ------------------------------------------------------------
   5. Buttons, links, tags
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  padding: 0.75rem 1.25rem;
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.btn .icon { transition: transform var(--transition-base); }
.btn:hover .icon--arrow { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--color-ink); color: var(--color-bg); border-color: var(--color-ink); }
.btn--primary:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }

.btn--outline { background: transparent; color: var(--color-ink); }
.btn--outline:hover { background: var(--color-ink); color: var(--color-bg); }

.btn--light { background: var(--color-dark-ink); color: var(--color-dark-bg); border-color: var(--color-dark-ink); }
.btn--light:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }

.btn--ghost-light { background: transparent; color: var(--color-dark-ink); border-color: var(--color-dark-line); }
.btn--ghost-light:hover { border-color: var(--color-dark-ink); }

.btn--sm { padding: 0.55rem 0.9rem; font-size: var(--text-xs); }
.btn--lg { padding: 0.95rem 1.5rem; font-size: var(--text-base); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-ink);
}
.link-arrow .icon { transition: transform var(--transition-base); color: var(--color-accent-text); }
.link-arrow:hover { color: var(--color-accent-text); }
.link-arrow:hover .icon--arrow { transform: translateX(3px); }
.link-arrow:hover .icon--external { transform: translate(2px, -2px); }

.link-list { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-8); margin-top: var(--space-6); }

.tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.tag {
  display: inline-block;
  padding: 0.28em 0.6em;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  line-height: 1.3;
  color: var(--color-ink-2);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
.tag--draft { color: var(--color-accent-text); border-color: var(--color-accent); background: var(--color-accent-soft); }

/* ------------------------------------------------------------
   6. Header & navigation
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .site-header { background: var(--color-bg); }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: var(--header-h);
}

.nav-logo { display: inline-flex; color: var(--color-ink); text-decoration: none; }
.nav-logo .logo { height: 18px; width: auto; }
.nav-logo:hover { color: var(--color-ink); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav-menu a:not(.btn) {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-2);
  text-decoration: none;
  position: relative;
}
.nav-menu a:not(.btn)::after {
  content: '';
  position: absolute;
  left: var(--space-3); right: var(--space-3); bottom: 4px;
  height: 1px;
  background: var(--color-ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}
.nav-menu a:not(.btn):hover,
.nav-menu a:not(.btn).is-current { color: var(--color-ink); }
.nav-menu a:not(.btn):hover::after,
.nav-menu a:not(.btn).is-current::after { transform: scaleX(1); }
.nav-menu__cta { margin-left: var(--space-3); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0 var(--space-2) var(--space-2);
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--color-ink);
  font: inherit;
}
.nav-toggle__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
}
.nav-toggle__bar {
  display: block;
  width: 22px; height: 1.5px;
  background: currentColor;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.nav-toggle__bar + .nav-toggle__bar { margin-top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:first-of-type { transform: translateY(3.75px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:last-of-type { transform: translateY(-3.75px) rotate(-45deg); }
.nav-toggle__bars { display: flex; flex-direction: column; }

/* ------------------------------------------------------------
   7. Page hero (inner pages)
   ------------------------------------------------------------ */
.page-hero {
  padding: clamp(var(--space-12), 7vw, var(--space-20)) 0 clamp(var(--space-10), 5vw, var(--space-16));
  border-bottom: 1px solid var(--color-line);
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.page-title {
  margin-top: var(--space-4);
  font-size: clamp(var(--text-3xl), 5.5vw, var(--text-5xl));
  line-height: var(--leading-tight);
}
.page-subtitle {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--color-ink-2);
  max-width: 64ch;
}

/* ------------------------------------------------------------
   8. Home: hero, strip
   ------------------------------------------------------------ */
.hero {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32)) clamp(var(--space-12), 7vw, var(--space-24));
  border-bottom: 1px solid var(--color-line);
  position: relative;
  isolation: isolate;
}
/* Faint dot grid behind the hero, fading out towards the bottom */
.hero::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(var(--color-line) 1px, transparent 1.5px);
  background-size: 24px 24px;
  background-position: 12px 12px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 85%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 85%);
  pointer-events: none;
}
.hero__content { max-width: 64rem; }
.hero__title {
  margin-top: var(--space-6);
  font-size: clamp(2.5rem, 7.2vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-weight: 600;
}
.hero__text {
  margin-top: var(--space-8);
  font-size: clamp(var(--text-md), 1.6vw, var(--text-xl));
  line-height: var(--leading-normal);
  color: var(--color-ink-2);
  max-width: 54ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-10);
}

.strip { border-bottom: 1px solid var(--color-line); background: var(--color-surface); overflow: hidden; }
.strip__inner { display: flex; align-items: stretch; }
/* Monogram cell, aligned with the container's left edge */
.strip__mark-wrap {
  flex: 0 0 auto; display: flex; align-items: center;
  padding-left: max(var(--container-pad), calc((100vw - var(--container-max)) / 2 + var(--container-pad)));
  padding-right: var(--space-6);
  border-right: 1px solid var(--color-line);
  background: var(--color-surface);
  position: relative; z-index: 1;
}
.strip__mark { height: 14px; width: auto; color: var(--color-ink); }
/* Ticker: three copies of the list in a row; each copy slides by its own
   width, so the loop is seamless (section 12). Edges fade out. */
.strip__track {
  flex: 1 1 auto; min-width: 0;
  display: flex;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 6rem, #000 calc(100% - 6rem), transparent);
  mask-image: linear-gradient(to right, transparent, #000 6rem, #000 calc(100% - 6rem), transparent);
}
.strip__list { display: flex; flex: 0 0 auto; }
.strip__list li {
  display: flex; align-items: baseline; gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-right: 1px solid var(--color-line);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-2);
}
.strip__num { color: var(--color-accent); font-size: 0.65rem; letter-spacing: 0.08em; }
@media (prefers-reduced-motion: reduce) {
  .strip__track {
    overflow-x: auto; scrollbar-width: thin;
    -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 4rem), transparent);
    mask-image: linear-gradient(to right, #000 calc(100% - 4rem), transparent);
  }
  .strip__list[aria-hidden] { display: none; }
}

/* ------------------------------------------------------------
   9. Sections
   ------------------------------------------------------------ */

/* Service grid (home) */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}
.service-card { border-right: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.service-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 15rem;
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
  background: var(--color-bg);
  transition: background var(--transition-fast);
}
.service-card__link:hover { background: var(--color-surface); }
.service-card__icon {
  display: inline-flex;
  color: var(--color-accent-text);
  margin-bottom: var(--space-8);
}
.service-card__title { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.service-card__text { font-size: var(--text-sm); line-height: var(--leading-normal); color: var(--color-ink-2); }
.service-card__more {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  margin-top: auto;
  padding-top: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-ink-3);
  transition: color var(--transition-fast);
}
.service-card__more .icon { transition: transform var(--transition-base); }
.service-card__link:hover .service-card__more { color: var(--color-accent-text); }
.service-card__link:hover .service-card__more .icon { transform: translateX(3px); }
.service-card--all .service-card__link { background: var(--color-surface-2); }
.service-card--all .service-card__link:hover { background: var(--color-ink); color: var(--color-bg); }
.service-card--all .service-card__link:hover .service-card__title,
.service-card--all .service-card__link:hover .service-card__text,
.service-card--all .service-card__link:hover .service-card__more { color: inherit; }
.service-card--all .service-card__title { margin-top: auto; }

/* Index list (what we build) */
.index-list { border-top: 1px solid var(--color-line-strong); }
.index-row {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 4fr) minmax(0, 6fr) minmax(0, 3fr);
  gap: var(--space-4) var(--space-6);
  align-items: start;
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-line);
  transition: background var(--transition-fast);
}
.index-row__num,
.index-row__kind,
.approach-item__num,
.process-step__num,
.subnav__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-3);
}
.index-row__num { padding-top: 0.35em; }
.index-row__title { font-size: var(--text-xl); }
.index-row__kind { display: block; margin-top: var(--space-2); text-transform: uppercase; }
.index-row__text { color: var(--color-ink-2); line-height: var(--leading-normal); }
.index-row__tags { justify-content: flex-start; }

/* Approach (dark band) */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.approach-item {
  background: var(--color-dark-bg);
  padding: var(--space-8) var(--space-6);
  min-height: 15rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.section--dark .approach-item { background: var(--color-dark-bg); }
.approach-item__num { margin-bottom: var(--space-6); }
.approach-item__num::after {
  content: '';
  display: block;
  width: 2rem; height: 1px;
  background: var(--color-accent);
  margin-top: var(--space-3);
}
.approach-item__title { font-size: var(--text-xl); }
.approach-item__text { color: var(--color-ink-2); line-height: var(--leading-normal); font-size: var(--text-sm); }

/* About teaser (home) */
.about-teaser {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: var(--space-10) var(--space-16);
  align-items: start;
}
.about-teaser__text { margin: var(--space-5) 0 var(--space-6); font-size: var(--text-lg); color: var(--color-ink-2); line-height: var(--leading-normal); max-width: 52ch; }
.about-teaser__text--sub { margin-top: calc(var(--space-4) * -1); font-size: var(--text-base); }

/* Facts (definition list) */
.facts { border-top: 1px solid var(--color-line-strong); }
.facts__row {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-line);
}
.facts__row dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-ink-3);
  padding-top: 0.25em;
}
.facts__row dd { font-weight: 500; overflow-wrap: anywhere; }
.facts__note { display: block; margin-top: var(--space-1); font-size: var(--text-sm); font-weight: 400; color: var(--color-ink-2); }

/* Stack */
.stack { border-top: 1px solid var(--color-line-strong); }
.stack__row {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
}
.stack__row dt { font-weight: 500; padding-top: 0.2em; }

/* Services page */
.subnav { margin-bottom: clamp(var(--space-10), 5vw, var(--space-16)); }
.subnav ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0 var(--space-6);
  border-top: 1px solid var(--color-line-strong);
}
.subnav a {
  display: flex; align-items: baseline; gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-line);
  font-size: var(--text-sm); font-weight: 500;
  text-decoration: none; color: var(--color-ink-2);
}
.subnav a:hover { color: var(--color-ink); border-bottom-color: var(--color-ink); }

.service-details { display: flex; flex-direction: column; }
.service-detail {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: var(--space-8) var(--space-16);
  padding-block: clamp(var(--space-12), 5vw, var(--space-20));
  border-top: 1px solid var(--color-line);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}
.service-detail:first-child { border-top: 0; padding-top: 0; }
.service-detail:last-child { padding-bottom: clamp(var(--space-8), 4vw, var(--space-12)); }
.service-detail__aside { position: sticky; top: calc(var(--header-h) + 2rem); }
.service-detail__icon { display: inline-flex; color: var(--color-accent-text); margin-bottom: var(--space-4); }
.service-detail__title { font-size: clamp(var(--text-2xl), 2.6vw, var(--text-3xl)); margin-bottom: var(--space-5); }
.service-detail__summary { font-size: var(--text-xl); line-height: var(--leading-snug); letter-spacing: -0.01em; max-width: 40ch; }
.service-detail__text { margin-top: var(--space-5); color: var(--color-ink-2); line-height: var(--leading-loose); max-width: 62ch; }
.service-detail__sub {
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line-strong);
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 500;
  letter-spacing: var(--tracking-mono); text-transform: uppercase; color: var(--color-ink-3);
}

.check-list { margin-top: var(--space-4); display: flex; flex-direction: column; }
.check-list li {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink);
  line-height: var(--leading-normal);
}
.check-list .icon { color: var(--color-accent-text); margin-top: 0.3em; }
.check-list--numbered { counter-reset: item; }
.check-list--numbered li { counter-increment: item; }
.check-list--numbered li::before {
  content: counter(item, decimal-leading-zero);
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-ink-3); padding-top: 0.4em;
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-8) var(--space-6);
  border-top: 1px solid var(--color-line-strong);
  padding-top: var(--space-8);
}
.process-step__num { display: block; margin-bottom: var(--space-4); }
.process-step__title { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.process-step__text { font-size: var(--text-sm); color: var(--color-ink-2); line-height: var(--leading-normal); }

/* Terminal output (404 page) */
.terminal {
  margin: 0 0 var(--space-10);
  padding: var(--space-5) var(--space-6);
  background: var(--color-dark-bg); color: var(--color-dark-ink);
  border: 1px solid var(--color-dark-line);
  font-family: var(--font-mono); font-size: var(--text-sm); line-height: 1.7;
  overflow-x: auto; white-space: pre; tab-size: 2;
}
.terminal code { font: inherit; }
.terminal__prompt { color: var(--color-accent); }
.terminal__err { color: var(--color-dark-ink-2); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: var(--space-12) var(--space-16);
  align-items: start;
}
.contact-list { margin-top: var(--space-8); border-top: 1px solid var(--color-line-strong); }
.contact-item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: var(--space-5);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-line);
}
.contact-item__icon { color: var(--color-accent-text); padding-top: 0.15em; }
.contact-item__label {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-ink-3);
  margin-bottom: var(--space-2);
}
.contact-item__value { font-size: var(--text-xl); font-weight: 500; letter-spacing: -0.01em; text-decoration: none; overflow-wrap: anywhere; }
.contact-item__value:hover { color: var(--color-accent-text); }
.contact-item__note { margin-top: var(--space-2); font-size: var(--text-sm); color: var(--color-ink-2); }

.note { margin-top: var(--space-8); padding: var(--space-6); border: 1px solid var(--color-line); background: var(--color-surface); }
.note__title { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-mono); text-transform: uppercase; color: var(--color-ink-3); margin-bottom: var(--space-3); }
.note p + p { color: var(--color-ink-2); line-height: var(--leading-normal); }

/* Forms (only when contact_form_action is set) */
.form { margin-top: var(--space-10); display: grid; gap: var(--space-5); }
.form__title { font-size: var(--text-xl); }
.form__row { display: grid; gap: var(--space-2); }
.form label { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-ink-2); }
.form input, .form textarea {
  font: inherit; color: var(--color-ink);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  width: 100%;
}
.form textarea { resize: vertical; min-height: 8rem; }
.form button { justify-self: start; }

/* ------------------------------------------------------------
   10. Blog
   ------------------------------------------------------------ */
.post-list { border-top: 1px solid var(--color-line-strong); }
.post-list__item { border-bottom: 1px solid var(--color-line); }
.post-list__link {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr) auto;
  gap: var(--space-2) var(--space-8);
  align-items: baseline;
  padding: var(--space-6) 0;
  text-decoration: none;
  color: inherit;
  transition: background var(--transition-fast);
}
.post-list__meta {
  grid-row: 1 / span 2;
  display: flex; flex-direction: column; gap: var(--space-2);
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; color: var(--color-ink-3);
}
.post-list__category { text-transform: uppercase; }
.post-list__title { font-size: var(--text-xl); transition: color var(--transition-fast); }
.post-list__link:hover .post-list__title { color: var(--color-accent-text); }
.post-list__desc { grid-column: 2; color: var(--color-ink-2); line-height: var(--leading-normal); max-width: 62ch; }
.post-list__more {
  grid-column: 3; grid-row: 1;
  display: inline-flex; align-items: center; gap: 0.35em;
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-ink-3);
}
.post-list__more .icon { transition: transform var(--transition-base); }
.post-list__link:hover .post-list__more { color: var(--color-accent-text); }
.post-list__link:hover .post-list__more .icon { transform: translateX(3px); }

.blog-index { max-width: 900px; }
.blog-empty { color: var(--color-ink-2); }
.blog-feed { margin-top: var(--space-8); font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-ink-3); }

/* Single post */
.post-header {
  padding: clamp(var(--space-12), 7vw, var(--space-20)) 0 var(--space-10);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.breadcrumb {
  display: flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-ink-3);
}
.breadcrumb a { text-decoration: none; color: var(--color-ink-2); }
.breadcrumb a:hover { color: var(--color-accent-text); }
.post-title { margin-top: var(--space-5); font-size: clamp(var(--text-3xl), 4.6vw, var(--text-5xl)); line-height: var(--leading-tight); }
.post-lede { margin-top: var(--space-5); font-size: var(--text-lg); color: var(--color-ink-2); line-height: var(--leading-normal); }
.post-meta {
  display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-10);
  margin-top: var(--space-8); padding-top: var(--space-5);
  border-top: 1px solid var(--color-line-strong);
}
.post-meta dt { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-ink-3); }
.post-meta dd { margin-top: var(--space-1); font-size: var(--text-sm); font-weight: 500; }

.post-cover { margin-bottom: var(--space-12); }
.post-cover img { width: 100%; border: 1px solid var(--color-line); }

.post-tags { margin-top: var(--space-12); }

.post-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6);
  margin-top: var(--space-16); padding-top: var(--space-8);
  border-top: 1px solid var(--color-line-strong);
}
.post-nav__link { display: flex; flex-direction: column; gap: var(--space-2); text-decoration: none; }
.post-nav__label { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-ink-3); }
.post-nav__title { font-weight: 500; line-height: var(--leading-snug); }
.post-nav__link:hover .post-nav__title { color: var(--color-accent-text); }
.post-nav__next { text-align: right; align-items: flex-end; }

/* Prose (Markdown) */
.prose { font-size: var(--text-md); line-height: var(--leading-loose); color: var(--color-ink); }
.prose > * + * { margin-top: 1.35em; }
.prose h2, .prose h3, .prose h4 { scroll-margin-top: calc(var(--header-h) + 1rem); }
.prose h2 { font-size: var(--text-2xl); margin-top: 2.2em; }
.prose h3 { font-size: var(--text-xl); margin-top: 1.8em; }
.prose h4 { font-size: var(--text-lg); margin-top: 1.6em; }
.prose h2 + *, .prose h3 + *, .prose h4 + * { margin-top: 0.7em; }
.prose a { text-decoration-color: var(--color-accent); }
.prose a:hover { color: var(--color-accent-text); }
.prose strong { font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: 0.4em; }
.prose li::marker { color: var(--color-ink-3); font-family: var(--font-mono); font-size: 0.9em; }
.prose blockquote {
  padding: var(--space-2) var(--space-6);
  border-left: 2px solid var(--color-accent);
  color: var(--color-ink-2);
  font-size: var(--text-lg);
}
.prose hr { border: 0; border-top: 1px solid var(--color-line-strong); margin-block: var(--space-12); }
.prose img { border: 1px solid var(--color-line); }
.prose figcaption { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-ink-3); }
.prose table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); display: block; overflow-x: auto; }
.prose th, .prose td { padding: var(--space-3) var(--space-4); text-align: left; vertical-align: top; border-bottom: 1px solid var(--color-line); }
.prose th { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-ink-2); border-bottom-color: var(--color-line-strong); }
.prose pre {
  padding: var(--space-5);
  background: var(--color-dark-bg);
  color: var(--color-dark-ink);
  border: 1px solid var(--color-dark-line);
  overflow-x: auto;
  font-size: var(--text-sm);
  line-height: 1.6;
  -webkit-overflow-scrolling: touch;
}
.prose pre code { padding: 0; background: none; font-size: inherit; color: inherit; }
.prose :not(pre) > code { white-space: nowrap; }
.prose .language-text pre, .prose .language-text code { white-space: pre-wrap; overflow-wrap: anywhere; }

/* Rouge tokens on the dark code background */
.highlight .c, .highlight .c1, .highlight .cm, .highlight .cp { color: #7d7b74; font-style: italic; }
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kp, .highlight .kr, .highlight .kt, .highlight .ow { color: #ff9a7a; }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb, .highlight .sr, .highlight .ss, .highlight .sx { color: #d5c68f; }
.highlight .mi, .highlight .mf, .highlight .mh, .highlight .il, .highlight .kc, .highlight .m { color: #e8b88a; }
.highlight .nf, .highlight .fm, .highlight .nc, .highlight .nn, .highlight .nb, .highlight .bp { color: #9ec7ff; }
.highlight .nv, .highlight .vi, .highlight .vg { color: #cdb9ff; }
.highlight .nt { color: #ff9a7a; }
.highlight .na { color: #9ec7ff; }
.highlight .o, .highlight .p { color: #b3b1aa; }
.highlight .gd { color: #ff8a8a; }
.highlight .gi { color: #a6e3a1; }

/* ------------------------------------------------------------
   11. CTA & footer
   ------------------------------------------------------------ */
.cta {
  background: var(--color-dark-bg);
  color: var(--color-dark-ink);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  border-top: 1px solid var(--color-dark-line);
}
.cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: var(--space-10) var(--space-16);
  align-items: end;
}
.cta__title { color: inherit; font-size: clamp(var(--text-2xl), 3.6vw, var(--text-4xl)); margin-top: var(--space-4); line-height: 1.08; }
.cta__text { margin-top: var(--space-5); color: var(--color-dark-ink-2); line-height: var(--leading-normal); max-width: 56ch; }
.cta__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: flex-end; }

.site-footer {
  background: var(--color-dark-bg);
  color: var(--color-dark-ink-2);
  border-top: 1px solid var(--color-dark-line);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-8);
  font-size: var(--text-sm);
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 5fr) repeat(3, minmax(0, 2fr));
  gap: var(--space-10) var(--space-8);
}
.footer-logo { display: inline-block; color: var(--color-dark-ink); text-decoration: none; }
.footer-logo .logo { height: 44px; width: auto; }
.footer-tagline { margin-top: var(--space-6); max-width: 40ch; line-height: var(--leading-normal); }
.footer-heading {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-mono); text-transform: uppercase;
  color: var(--color-dark-ink); margin-bottom: var(--space-4);
}
.footer-nav ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-nav a { text-decoration: none; color: var(--color-dark-ink-2); }
.footer-nav a:hover { color: var(--color-dark-ink); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3) var(--space-6);
  margin-top: clamp(var(--space-12), 6vw, var(--space-16));
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-dark-line);
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.02em;
}
.footer-mono { display: inline-flex; align-items: center; gap: var(--space-3); }
.footer-monogram { height: 11px; width: auto; color: var(--color-dark-ink); }
.footer-btn {
  padding: 0; border: 0; background: none; cursor: pointer;
  font: inherit; letter-spacing: inherit; color: var(--color-dark-ink);
  text-decoration: underline; text-underline-offset: 0.2em; text-decoration-color: var(--color-dark-line);
}
.footer-btn:hover { text-decoration-color: currentColor; }

/* Cookie notice (only when analytics is configured) */
.cookie-notice {
  position: fixed; left: var(--space-4); right: var(--space-4); bottom: var(--space-4); z-index: 150;
  max-width: 28rem; margin-inline: auto;
  display: flex; flex-direction: column; gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-surface); color: var(--color-ink);
  border: 1px solid var(--color-line-strong);
  font-size: var(--text-sm);
}
.cookie-notice[hidden] { display: none; }
.cookie-notice p { line-height: var(--leading-normal); }
.cookie-notice__title { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-mono); text-transform: uppercase; color: var(--color-ink-3); }
.cookie-notice__status { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-ink-2); }
.cookie-notice__status[hidden] { display: none; }
.cookie-notice__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ------------------------------------------------------------
   11b. Codeable partner blocks and client reviews
   Markup: _includes/codeable-*.html · Data: _data/codeable.yml,
   _data/codeable_reviews.json
   ------------------------------------------------------------ */
.codeable-banner {
  position: relative;
  display: inline-block;
  max-width: 100%;
  line-height: 0;
  border: 1px solid var(--color-line-strong);
  overflow: hidden;
  background: #eef4f2; /* creative background: no flash while the lazy image loads */
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.codeable-banner:hover,
.codeable-banner:focus-visible { transform: translateY(-2px); box-shadow: 4px 4px 0 var(--color-line); }
.codeable-banner img { width: 100%; height: auto; }
.codeable-banner--300 { width: 300px; }
.codeable-banner--728 { width: 728px; }
.codeable-banner--desktop { display: none; }
@media (min-width: 820px) {
  .codeable-banner--desktop { display: inline-block; }
  .codeable-banner--mobile { display: none; }
}

.codeable {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-8) var(--space-10);
  align-items: center;
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  padding: var(--space-8);
  border: 1px solid var(--color-line-strong);
  background: var(--color-surface);
}
.codeable__label { margin-bottom: var(--space-3); }
.codeable__heading { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.codeable__text { font-size: var(--text-sm); color: var(--color-ink-2); line-height: var(--leading-normal); max-width: 56ch; }
.codeable .codeable-perks { margin: var(--space-4) 0 var(--space-5); }
.codeable__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4) var(--space-6); }
.codeable__browse { font-size: var(--text-sm); }
.codeable__note {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--color-ink-3);
}

/* inline (default): text left, creative in a right column, note under it */
.codeable__media { display: flex; flex-direction: column; align-items: flex-end; gap: var(--space-2); }

/* stacked variants (wide, narrow article column, and every card
   under 760px): the creative sits in a hairline band at the bottom of the
   card, aligned to the text, with the note at the far end of the band */
.codeable--wide,
.post .codeable { grid-template-columns: 1fr; gap: var(--space-6); align-items: start; }
.codeable--wide .codeable__media,
.post .codeable__media {
  flex-direction: row; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
  gap: var(--space-3) var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-line);
}
.codeable--wide .codeable__text { max-width: 60ch; }
.codeable--wide .codeable__media { flex-direction: column; align-items: center; justify-content: flex-start; gap: var(--space-3); }
.post .codeable { margin-top: var(--space-16); }

/* wide, from 1080px: intro left, perks and buttons as a right column that
   sits on the same baseline as the intro, band under both */
@media (min-width: 1080px) {
  .codeable--wide .codeable__body { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-8) var(--space-12); align-items: end; }
  .codeable--wide .codeable__cta { display: flex; flex-direction: column; align-items: flex-end; max-width: 24rem; }
  .codeable--wide .codeable__cta .codeable-perks { margin: 0 0 var(--space-5); justify-content: flex-end; }
  .codeable--wide .codeable__actions { justify-content: flex-end; }
}

/* Reviews */
/* Reviews */
.reviews__aggregate { display: block; margin-top: var(--space-2); font-size: var(--text-base); color: var(--color-ink-2); }
.reviews__aggregate strong { font-family: var(--font-mono); font-weight: 500; color: var(--color-ink); }
.reviews__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line-strong);
}
.review {
  display: flex; flex-direction: column; gap: var(--space-4);
  padding: var(--space-8) var(--space-6);
  background: var(--color-bg);
}
.review__stars { display: flex; gap: 2px; color: var(--color-accent); }
.review__stars svg { fill: currentColor; }
.review__quote { flex: 1; }
.review__quote p { font-size: var(--text-md); line-height: var(--leading-loose); color: var(--color-ink); }
.review__quote p::before { content: '\201C'; color: var(--color-ink-3); }
.review__quote p::after { content: '\201D'; color: var(--color-ink-3); }
.review__quote.is-clamped:not(.is-expanded) p {
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 7; line-clamp: 7; overflow: hidden;
}
.review__toggle {
  align-self: flex-start; padding: 0; background: none; border: 0; cursor: pointer;
  font: inherit; font-size: var(--text-sm); font-weight: 500; color: var(--color-accent-text);
  text-decoration: underline; text-underline-offset: 0.18em;
}
.review__footer {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-2) var(--space-3);
  padding-top: var(--space-4); border-top: 1px solid var(--color-line);
  font-size: var(--text-sm);
}
.review__name { font-weight: 500; }
.review__date, .review__source { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; color: var(--color-ink-3); }
.review__source { margin-left: auto; }
.reviews .codeable { margin-top: var(--space-8); }

@media (max-width: 900px) {
  .reviews__list { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .codeable { grid-template-columns: 1fr; gap: var(--space-6); align-items: start; padding: var(--space-6); }
  .codeable__media,
  .codeable--wide .codeable__media {
    flex-direction: row; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
    gap: var(--space-3) var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-line);
  }
}

/* ------------------------------------------------------------
   12. Motion (classes added by assets/js/main.js)
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(.2,.7,.2,1);
    transition-delay: calc(var(--reveal-i, 0) * 60ms);
  }
  .reveal.is-visible { opacity: 1; transform: none; }

  .hero__content > * { animation: rise 0.7s cubic-bezier(.2,.7,.2,1) both; }
  .hero__content > :nth-child(2) { animation-delay: 60ms; }
  .hero__content > :nth-child(3) { animation-delay: 120ms; }
  .hero__content > :nth-child(4) { animation-delay: 180ms; }

  @keyframes rise {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: none; }
  }

  .strip__list { animation: ticker 48s linear infinite; }
  .strip__track:hover .strip__list,
  .strip__track:focus-within .strip__list { animation-play-state: paused; }
  @keyframes ticker { to { transform: translateX(-100%); } }

  .cursor { animation: blink 1.1s steps(1) infinite; }
  @keyframes blink { 50% { opacity: 0; } }
}

/* ------------------------------------------------------------
   13. Responsive
   ------------------------------------------------------------ */
@media (max-width: 1080px) {
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .subnav ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .section-head--row { grid-template-columns: 1fr; align-items: start; }
  .section-head--row .section-lede { margin-top: var(--space-2); }
  .index-row { grid-template-columns: 3rem minmax(0, 1fr); }
  .index-row__text, .index-row__tags { grid-column: 2; }
  .approach-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .approach-item { min-height: 0; }
  .about-teaser, .contact-grid { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; gap: var(--space-6); }
  .service-detail__aside { position: static; }
  .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta__inner { grid-template-columns: 1fr; align-items: start; }
  .cta__actions { justify-content: flex-start; }
  .post-list__link { grid-template-columns: minmax(0, 1fr) auto; }
  .post-list__meta { grid-row: auto; grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; gap: var(--space-3); }
  .post-list__desc { grid-column: 1 / -1; }
  .post-list__more { grid-column: 2; grid-row: 2; }
}

@media (max-width: 640px) {
  :root { --header-h: 56px; }

  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    box-shadow: 0 24px 40px -20px rgba(0,0,0,0.25);
  }
  .site-nav.is-open { display: block; }
  .nav-menu { flex-direction: column; align-items: stretch; gap: 0; padding: var(--space-2) var(--container-pad) var(--space-4); }
  .nav-menu li { border-top: 1px solid var(--color-line); }
  .nav-menu li:first-child { border-top: 0; }
  .nav-menu a:not(.btn) { padding: var(--space-4) 0; font-size: var(--text-base); }
  .nav-menu a:not(.btn)::after { display: none; }
  .nav-menu__cta { margin: var(--space-3) 0 0; border-top: 0 !important; }
  .nav-menu__cta .btn { width: 100%; justify-content: center; padding: var(--space-4); font-size: var(--text-sm); }

  .hero__title { font-size: clamp(2.35rem, 11.5vw, 3.2rem); }
  .hero__actions .btn { flex: 1 1 auto; justify-content: center; }

  .service-grid { grid-template-columns: 1fr; }
  .service-card__link { min-height: 0; }
  .service-card__icon { margin-bottom: var(--space-5); }
  .service-card__more { padding-top: var(--space-4); }
  .index-row { grid-template-columns: 1fr; gap: var(--space-3); }
  .index-row__text, .index-row__tags { grid-column: 1; }
  .approach-grid { grid-template-columns: 1fr; }
  .subnav ol { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .facts__row, .stack__row { grid-template-columns: 1fr; gap: var(--space-1); }
  .contact-item { grid-template-columns: 1fr; gap: var(--space-2); }
  .contact-item__icon { display: none; }
  .post-meta { gap: var(--space-4) var(--space-6); }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav__next { text-align: left; align-items: flex-start; }
  .prose { font-size: var(--text-base); }
  .footer-top { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; }
  .cta__actions .btn { flex: 1 1 auto; justify-content: center; }
}

/* ------------------------------------------------------------
   14. Print
   ------------------------------------------------------------ */
@media print {
  .site-header, .site-footer, .cta, .cookie-notice, .skip-link { display: none; }
  body { background: #fff; color: #000; }
  a { color: #000; }
  .reveal { opacity: 1 !important; transform: none !important; }
}
