/* ============================================================
   ABARGON Stitch — versión 2026 v0
   Editorial minimalism, Spanish-first, three-section ecosystem.
   Drives Services, Solutions by Role, and Academy under one shell.
   ============================================================ */

:root {
  --c-dust:           #CCDBDC;
  --c-canvas:         #EDFCFD;
  --c-deep:           #003249;
  --c-deep-ink:       #001C2B;
  --c-cerulean:       #007EA7;
  --c-cerulean-deep:  #006688;
  --c-frost:          #9AD1D4;
  --c-frost-alt:      #80CED7;
  --c-footer:         #003249;
  --c-line:           rgba(0, 50, 73, 0.12);
  --c-line-strong:    rgba(0, 50, 73, 0.24);
  --c-muted:          rgba(0, 50, 73, 0.62);

  --logo-primary: var(--c-deep);
  --logo-accent:  var(--c-cerulean);

  --container-max: 1440px;
  --edge:          80px;
  --gutter:        32px;
  --stack-md:      40px;
  --stack-lg:      80px;
  --stack-xl:      160px;

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

  --ease-edit: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-prec: cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast:    180ms;
  --t-base:    340ms;
  --t-slow:    700ms;

  --header-h: 76px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

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

body {
  background: var(--c-canvas);
  color: var(--c-deep);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* Layout primitives ------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--edge);
}

.section { padding-block: var(--stack-lg); }
.section--lg { padding-block: var(--stack-xl); }
.section--sm { padding-block: var(--stack-md); }

.surface-dust    { background: var(--c-dust); }
.surface-canvas  { background: var(--c-canvas); }
.surface-frost   { background: var(--c-frost); }
.surface-frost-alt { background: var(--c-frost-alt); }
.surface-deep    { background: var(--c-deep); color: #fff; }
.surface-deep h1, .surface-deep h2, .surface-deep h3 { color: #fff; }

.divider {
  border: 0;
  border-top: 1px solid var(--c-line);
  margin: 0;
}

/* Typography -------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: inherit;
  color: var(--c-deep);
  margin: 0;
}

.eyebrow,
.label-caps {
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cerulean);
}

.headline-hero {
  font-size: clamp(56px, 9vw, 120px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.04em;
}

.headline-lg {
  font-size: clamp(40px, 5.4vw, 64px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.headline-md {
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.body-lg {
  font-size: 20px;
  line-height: 1.6;
  color: var(--c-deep);
}

.body-md {
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-deep);
}

.muted { color: var(--c-muted); }

/* Header ------------------------------------------------------ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(204, 219, 220, 0.78);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--c-line);
  transition: background var(--t-base) var(--ease-edit),
              border-color var(--t-base) var(--ease-edit);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-header__brand img,
.site-header__brand svg { height: 22px; width: auto; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.primary-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 28px;
  align-items: center;
}
.primary-nav a {
  position: relative;
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-deep);
  padding-block: 8px;
  transition: color var(--t-base) var(--ease-edit);
}
.primary-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: var(--c-cerulean);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--t-base) var(--ease-prec);
}
.primary-nav a:hover::after,
.primary-nav a:focus-visible::after,
.primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
.primary-nav a[aria-current="page"] { color: var(--c-cerulean); }
a.primary-nav__cta::after { display: none; }

a.primary-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--c-cerulean);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  transition: background var(--t-base) var(--ease-edit);
}
a.primary-nav__cta:hover { background: var(--c-deep); color: #fff; }

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 8px;
  color: var(--c-deep);
}

/* Footer ------------------------------------------------------ */
.site-footer {
  background: var(--c-footer);
  color: rgba(255,255,255,0.78);
  padding-block: 96px 48px;
  margin-top: var(--stack-xl);
}
.site-footer a { color: rgba(255,255,255,0.78); }
.site-footer a:hover { color: #fff; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--gutter);
}
.site-footer__brand h4 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.site-footer__col h5 {
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.site-footer__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: 14px; }
.site-footer__base {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.55);
}
.site-footer__legal {
  display: flex;
  gap: 20px;
}

/* Buttons ----------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background var(--t-base) var(--ease-edit),
              color var(--t-base) var(--ease-edit),
              border-color var(--t-base) var(--ease-edit),
              transform var(--t-fast) var(--ease-prec);
  cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--c-cerulean); color: #fff; }
.btn--primary:hover { background: var(--c-deep); }
.btn--secondary {
  background: transparent;
  color: var(--c-deep);
  border-color: var(--c-deep);
}
.btn--secondary:hover { background: var(--c-deep); color: #fff; }
.btn--ghost {
  background: transparent;
  color: var(--c-deep);
}
.btn--ghost:hover { color: var(--c-cerulean); }
.btn--lg { padding: 16px 28px; font-size: 15px; }
.btn--on-dark.btn--secondary { color: #fff; border-color: rgba(255,255,255,0.4); }
.btn--on-dark.btn--secondary:hover { background: #fff; color: var(--c-deep); border-color: #fff; }

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-cerulean);
  transition: color var(--t-base) var(--ease-edit);
}
.link-arrow::after {
  content: "→";
  transition: transform var(--t-base) var(--ease-prec);
}
.link-arrow:hover { color: var(--c-deep); }
.link-arrow:hover::after { transform: translateX(4px); }

/* Hero blocks ------------------------------------------------- */
.hero {
  padding-block: clamp(80px, 12vw, 160px) var(--stack-lg);
}
.hero__eyebrow { margin-bottom: 24px; }
.hero__title { max-width: 18ch; margin-bottom: 28px; }
.hero__lede { max-width: 56ch; margin-bottom: 40px; color: var(--c-deep); }
.hero__meta {
  margin-top: var(--stack-lg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gutter);
}
.hero__meta dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cerulean);
  margin-bottom: 8px;
}
.hero__meta dd {
  margin: 0;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Section heading -------------------------------------------- */
.section-head {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--gutter);
  margin-bottom: var(--stack-md);
}
.section-head__eyebrow { margin-bottom: 16px; }
.section-head__title { max-width: 22ch; }
.section-head__lede { color: var(--c-muted); max-width: 56ch; align-self: end; }

/* Cards ------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--gutter);
}
.card-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px;
  background: var(--c-frost);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: background var(--t-base) var(--ease-edit),
              transform var(--t-base) var(--ease-prec);
}
.card:hover { background: var(--c-frost-alt); transform: translateY(-3px); }
.card__index {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-cerulean);
}
.card__title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
.card__text { color: var(--c-muted); font-size: 15px; line-height: 1.6; margin: 0; }
.card__meta {
  margin-top: auto;
  padding-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--c-deep);
}

/* Card variants */
.card--quiet { background: transparent; border-color: var(--c-line); }
.card--quiet:hover { background: rgba(154, 209, 212, 0.4); transform: translateY(-3px); }
.card--inverse {
  background: var(--c-deep);
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.08);
}
.card--inverse .card__title { color: #fff; }
.card--inverse:hover { background: var(--c-deep-ink); }

/* Persona card */
.persona-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 40px;
  background: var(--c-canvas);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: background var(--t-base) var(--ease-edit),
              border-color var(--t-base) var(--ease-edit);
}
.persona-card:hover { background: var(--c-frost); border-color: var(--c-line-strong); }
.persona-card__role {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cerulean);
}
.persona-card__title { font-size: 28px; font-weight: 600; letter-spacing: -0.01em; }
.persona-card__quote {
  font-size: 17px;
  line-height: 1.5;
  color: var(--c-deep);
  font-style: italic;
  border-left: 2px solid var(--c-cerulean);
  padding-left: 16px;
}

/* Comparison block ------------------------------------------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.compare__col { padding: 40px; }
.compare__col + .compare__col { border-left: 1px solid var(--c-line); }
.compare__col--legacy { background: var(--c-dust); }
.compare__col--abargon { background: var(--c-frost); }
.compare__col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cerulean);
  margin: 0 0 12px;
}
.compare__col h3 { font-size: 24px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 20px; }
.compare__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: 15px; line-height: 1.5; }
.compare__col li {
  display: flex;
  gap: 10px;
}
.compare__col li::before {
  content: "·";
  color: var(--c-cerulean);
  font-weight: 700;
  flex: 0 0 auto;
}
.compare__col--legacy li::before { content: "×"; color: var(--c-muted); }

/* Methodology ------------------------------------------------- */
.method {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gutter);
  counter-reset: step;
}
.method__step {
  position: relative;
  padding: 32px 0 0;
  border-top: 1px solid var(--c-deep);
}
.method__step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-cerulean);
  margin-bottom: 16px;
}
.method__step h4 { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 8px; }
.method__step p { color: var(--c-muted); font-size: 15px; margin: 0; }

/* Metric bar / proof ----------------------------------------- */
.metric-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.metric-bar > div {
  padding: 32px 24px;
  border-left: 1px solid var(--c-line);
}
.metric-bar > div:first-child { border-left: 0; }
.metric-bar dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cerulean);
  margin: 0 0 8px;
}
.metric-bar dd {
  margin: 0;
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}

/* Proof panel ------------------------------------------------- */
.proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.proof__quote {
  padding: 56px;
  background: var(--c-deep);
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 24px;
  justify-content: center;
}
.proof__quote blockquote {
  margin: 0;
  font-size: 28px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 500;
}
.proof__attr { font-size: 13px; letter-spacing: 0.04em; color: rgba(255,255,255,0.7); }
.proof__data {
  padding: 56px;
  background: var(--c-frost);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-content: center;
}
.proof__data dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cerulean);
  margin: 0 0 6px;
}
.proof__data dd { margin: 0; font-size: 36px; font-weight: 600; letter-spacing: -0.02em; }

/* Pricing card ----------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
}
.pricing-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 40px;
  background: var(--c-canvas);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}
.pricing-card--featured {
  background: var(--c-deep);
  color: rgba(255,255,255,0.85);
  border-color: var(--c-deep);
}
.pricing-card--featured h3,
.pricing-card--featured .pricing-card__price { color: #fff; }
.pricing-card__tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cerulean);
}
.pricing-card--featured .pricing-card__tag { color: var(--c-frost); }
.pricing-card h3 { font-size: 24px; font-weight: 600; letter-spacing: -0.01em; }
.pricing-card__price {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.pricing-card__price small { font-size: 14px; font-weight: 500; letter-spacing: 0; color: var(--c-muted); }
.pricing-card--featured .pricing-card__price small { color: rgba(255,255,255,0.6); }
.pricing-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: 15px; }
.pricing-card li { display: flex; gap: 10px; }
.pricing-card li::before { content: "✓"; color: var(--c-cerulean); flex: 0 0 auto; }
.pricing-card--featured li::before { color: var(--c-frost); }
.pricing-card .btn { margin-top: auto; }

/* Countdown -------------------------------------------------- */
.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gutter);
  padding: 32px;
  background: var(--c-canvas);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}
.countdown__cell { text-align: center; }
.countdown__cell dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-cerulean);
  margin: 0 0 6px;
}
.countdown__cell dd {
  margin: 0;
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

/* Forms ------------------------------------------------------- */
.form-stack { display: grid; gap: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field > label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cerulean);
}
.field > input,
.field > select,
.field > textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--c-line-strong);
  padding: 10px 0;
  font-size: 16px;
  font-family: inherit;
  color: var(--c-deep);
  outline: none;
  transition: border-color var(--t-base) var(--ease-edit);
}
.field > textarea { resize: vertical; min-height: 96px; }
.field > input:focus,
.field > select:focus,
.field > textarea:focus { border-bottom-color: var(--c-cerulean); }

/* Section nav (contextual submenu) --------------------------- */
.section-nav {
  position: sticky;
  top: var(--header-h);
  background: rgba(204, 219, 220, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--c-line);
  z-index: 50;
}
.section-nav__inner {
  display: flex;
  gap: 8px;
  align-items: center;
  height: 48px;
  overflow-x: auto;
  scrollbar-width: none;
}
.section-nav__inner::-webkit-scrollbar { display: none; }
.section-nav__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-cerulean);
  margin-right: 24px;
  flex-shrink: 0;
}
.section-nav a {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-deep);
  border-radius: 999px;
  white-space: nowrap;
  transition: background var(--t-base) var(--ease-edit),
              color var(--t-base) var(--ease-edit);
}
.section-nav a:hover { background: var(--c-frost); }
.section-nav a[aria-current="page"] {
  background: var(--c-deep);
  color: #fff;
}

/* Tag / chip ------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: rgba(0, 50, 73, 0.06);
  color: var(--c-deep);
  border-radius: 999px;
}

/* Lists ------------------------------------------------------ */
.bullet-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}
.bullet-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  align-items: baseline;
  gap: 12px;
  font-size: 16px;
  line-height: 1.6;
}
.bullet-list li::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 1px;
  background: var(--c-cerulean);
  transform: translateY(-4px);
}

/* Insight / case study list --------------------------------- */
.entry-list { display: grid; gap: 0; border-top: 1px solid var(--c-line); }
.entry {
  display: grid;
  grid-template-columns: 120px 1fr 220px;
  gap: var(--gutter);
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--c-line);
  transition: background var(--t-base) var(--ease-edit);
}
.entry:hover { background: rgba(154, 209, 212, 0.25); }
.entry__date {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cerulean);
}
.entry__title { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.entry__meta { color: var(--c-muted); font-size: 14px; }

/* Reveal ----------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow) var(--ease-edit),
              transform var(--t-slow) var(--ease-edit);
}
.reveal.is-in { opacity: 1; transform: translateY(0); }
.reveal[data-reveal-delay="1"] { transition-delay: 80ms; }
.reveal[data-reveal-delay="2"] { transition-delay: 160ms; }
.reveal[data-reveal-delay="3"] { transition-delay: 240ms; }
.reveal[data-reveal-delay="4"] { transition-delay: 320ms; }

/* Utility ---------------------------------------------------- */
.flow > * + * { margin-top: 24px; }
.flow-sm > * + * { margin-top: 12px; }
.flow-lg > * + * { margin-top: 40px; }

.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); }
.split-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: var(--gutter); }
.split-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: var(--gutter); }

.text-on-deep { color: rgba(255,255,255,0.85); }
.text-on-deep .eyebrow { color: var(--c-frost); }
.text-on-deep .muted { color: rgba(255,255,255,0.6); }

/* Responsive ------------------------------------------------- */
@media (max-width: 1080px) {
  :root { --edge: 40px; }
  .hero__meta,
  .method,
  .metric-bar,
  .pricing-grid,
  .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .section-head { grid-template-columns: 1fr; }
  .proof,
  .compare,
  .split-1-2,
  .split-2-1,
  .split-2 { grid-template-columns: 1fr; }
  .compare__col + .compare__col { border-left: 0; border-top: 1px solid var(--c-line); }
  .countdown { grid-template-columns: repeat(2, 1fr); }
  .entry { grid-template-columns: 100px 1fr; }
  .entry__meta { grid-column: 2; }
}

@media (max-width: 720px) {
  :root { --edge: 24px; --header-h: 64px; --stack-lg: 64px; --stack-xl: 96px; }
  .primary-nav__list { display: none; }
  .nav-toggle { display: inline-flex; }
  .primary-nav.is-open .primary-nav__list {
    display: grid;
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--c-dust);
    padding: 24px var(--edge);
    gap: 18px;
    border-bottom: 1px solid var(--c-line);
  }
  .hero__meta,
  .method,
  .metric-bar,
  .pricing-grid,
  .card-grid,
  .card-grid--3,
  .card-grid--4,
  .form-row { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .site-footer__brand { grid-column: 1 / -1; }
  .metric-bar > div { border-left: 0; border-top: 1px solid var(--c-line); }
  .metric-bar > div:first-child { border-top: 0; }
  .countdown { grid-template-columns: repeat(2, 1fr); }
  .proof__quote,
  .proof__data { padding: 32px; }
  .proof__data { grid-template-columns: 1fr 1fr; }
  .compare__col { padding: 32px; }
  .pricing-card { padding: 32px; }
  .entry { grid-template-columns: 1fr; }
  .site-footer__base { flex-direction: column; align-items: flex-start; }
}

/* Reduced motion --------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !