/* ==========================================================================
   COTEO — landing page implementation
   Components below are the plain-CSS realization of the design-system
   components in _ds/.../_ds_bundle.js (Button, Chip, Highlight, IconButton,
   Input, NavBar, Card, SectionHeader, CTAPanel, ArrowLink).
   All values come from the DS tokens — no loose hardcoded colours.
   ========================================================================== */

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

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

body {
  margin: 0;
  background: var(--ink-200);
  color: var(--text-strong);
  font-family: var(--font-mono);
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-link); text-decoration: none; }
a:hover { color: var(--text-link-hover); }

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 1px var(--ink-900), 0 0 0 4px var(--lime-300);
}

img, svg { max-width: 100%; }

.u-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;
}

.u-skip {
  position: absolute; left: 28px; top: -100px; z-index: 200;
  background: var(--ink-900); color: var(--white);
  font-family: var(--font-mono); font-size: var(--text-body-size);
  padding: 12px 18px; border-radius: var(--radius-sm);
  transition: top var(--duration-base) var(--ease-standard);
}
.u-skip:focus { top: 28px; color: var(--white); }

/* ---------------------------------------------------------------- tokens+ */
:root { --shell-pad: 28px; }

/* =========================================================== DS: Button == */
.btn {
  font-family: var(--font-mono);
  font-weight: var(--weight-regular);
  letter-spacing: var(--text-label-ls);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  line-height: 1;
  text-align: center;
  transition:
    background var(--duration-base) var(--ease-standard),
    color var(--duration-base) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
}
.btn:active:not(:disabled) { transform: translateY(var(--translate-press)); }
.btn:disabled { cursor: not-allowed; }

.btn--sm { padding: 9px 16px;  font-size: 12px; }
.btn--md { padding: 13px 22px; font-size: 13px; }
.btn--lg { padding: 16px 28px; font-size: 14px; }
.btn--full { display: flex; width: 100%; }

.btn--primary { background: var(--control-fill); color: var(--control-fg); }
.btn--primary:hover:not(:disabled) { background: var(--control-fill-hover); color: var(--control-fg); }
.btn--primary:disabled { background: var(--control-disabled-fill); color: var(--control-disabled-fg); }

.btn--secondary { background: transparent; color: var(--ink-900); border-color: var(--control-ghost-border); }
.btn--secondary:hover:not(:disabled) { background: var(--ink-900); color: var(--white); }
.btn--secondary:disabled { border-color: var(--ink-300); color: var(--control-disabled-fg); }

.btn--accent { background: var(--lime-500); color: var(--ink-900); }
.btn--accent:hover:not(:disabled) { background: var(--lime-600); color: var(--ink-900); }
.btn--accent:disabled { background: var(--control-disabled-fill); color: var(--control-disabled-fg); }

.btn--inverse { background: var(--white); color: var(--ink-900); }
.btn--inverse:hover:not(:disabled) { background: var(--ink-100); color: var(--ink-900); }

/* ======================================================= DS: IconButton == */
.icon-btn {
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  line-height: 1;
  cursor: pointer;
  transition: background var(--duration-base) var(--ease-standard);
}
.icon-btn--sm { width: 26px; height: 26px; min-width: 26px; font-size: 11px; }
.icon-btn--md { width: 32px; height: 32px; min-width: 32px; font-size: 14px; }
.icon-btn--lg { width: 40px; height: 40px; min-width: 40px; font-size: 18px; }
.icon-btn--dark { background: var(--ink-900); color: var(--white); border: 1px solid var(--ink-900); }
.icon-btn--dark:hover { background: var(--ink-700); }
.icon-btn--light { background: var(--white); color: var(--ink-900); border: 1px solid var(--ink-900); }
.icon-btn--light:hover { background: var(--ink-100); }

/* ======================================================== DS: ArrowLink == */
.arrow-link {
  font-family: var(--font-mono);
  font-size: var(--text-body-size);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: color var(--duration-base) var(--ease-standard);
}
.arrow-link > .arrow-link__glyph {
  display: inline-block;
  transition: transform var(--duration-base) var(--ease-standard);
}
.arrow-link:hover > .arrow-link__glyph { transform: translate(2px, -2px); }
.arrow-link--dark    { color: var(--ink-900); }
.arrow-link--dark:hover { color: var(--text-link-hover); }
.arrow-link--inverse { color: var(--lime-500); }
.arrow-link--inverse:hover { color: var(--lime-300); }
.arrow-link--muted   { color: var(--ink-500); }
.arrow-link--muted:hover { color: var(--ink-900); }

/* ============================================================= DS: Chip == */
.chip {
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  letter-spacing: var(--text-caption-ls);
  line-height: 1;
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}
.chip--outline { background: transparent; color: var(--ink-900); border: 1px solid var(--border-subtle); }
.chip--solid   { background: var(--ink-900); color: var(--white); border: 1px solid var(--ink-900); }
.chip--accent  { background: var(--lime-500); color: var(--ink-900); border: 1px solid var(--lime-500); }
.chip--ghost   { background: var(--ink-100); color: var(--ink-700); border: 1px solid transparent; }

/* ======================================================== DS: Highlight == */
.hl {
  display: inline;
  padding: 0 6px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.hl--lime  { background: var(--surface-highlight); color: var(--ink-900); }
.hl--white { background: var(--white); color: var(--ink-900); }
.hl--dark  { background: var(--ink-900); color: var(--white); }

/* ============================================================ DS: Input == */
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field__label {
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  letter-spacing: var(--text-caption-ls);
  color: var(--text-muted);
}
.field__control {
  width: 100%;
  font-family: var(--font-mono);
  font-size: var(--text-body-size);
  color: var(--text-strong);
  background: var(--white);
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  outline: none;
  transition:
    border-color var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard);
}
textarea.field__control { resize: vertical; min-height: 88px; }
.field__control::placeholder { color: var(--ink-400); }
.field__control:focus {
  border-color: var(--ink-900);
  box-shadow: 0 0 0 3px var(--lime-300);
}
.field__control:disabled { background: var(--ink-100); }
.field--error .field__control { border-color: #C0392B; }
.field__error {
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  color: #C0392B;
}
.field__error:empty { display: none; }

/* ============================================================= DS: Card == */
.card { border-radius: var(--radius-xl); padding: 28px; }
.card--light {
  background: var(--surface-card);
  color: var(--text-strong);
  border: 1px solid var(--border-strong);
}
.card--light.card--shadow { box-shadow: var(--shadow-hard); }
.card--dark {
  background: var(--surface-card-inverse);
  color: var(--text-inverse);
  border: 1px solid var(--ink-900);
}
.card--panel {
  background: var(--surface-panel);
  color: var(--text-strong);
  border: 1px solid transparent;
}

/* ==================================================== DS: SectionHeader == */
.section-header {
  display: flex;
  gap: var(--space-10);
  align-items: flex-start;
}
.section-header__title {
  margin: 0;
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: var(--text-h2-size);
  line-height: 1.2;
  letter-spacing: var(--text-h2-ls);
  font-weight: var(--weight-medium);
}
.section-header__desc {
  margin: 0;
  max-width: 420px;
  font-family: var(--font-mono);
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
  color: var(--text-body);
}

/* ========================================================== DS: CTAPanel == */
.cta-panel {
  background: var(--surface-panel);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.cta-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: var(--text-h3-size);
  line-height: 1.2;
  letter-spacing: var(--text-h3-ls);
  font-weight: var(--weight-medium);
  color: var(--text-strong);
}
.cta-panel__body {
  margin: 0 0 26px;
  max-width: 380px;
  font-family: var(--font-mono);
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
  color: var(--text-body);
}
.cta-panel__media { min-height: 150px; display: flex; align-items: center; justify-content: center; }

/* The guarantee seal that fills the CTAPanel media slot. Placeholder standing in
   for real artwork — swap the markup inside .cta-panel__media when it lands. */
.seal {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 22px 30px;
  background: var(--lime-500);
  color: var(--ink-900);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hard);
  transform: rotate(-4deg);
  text-align: center;
}
.seal__main {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 26px;
  letter-spacing: -0.02em;
  line-height: 1;
}
.seal__sub {
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  letter-spacing: var(--text-caption-ls);
}

/* =========================================================== page shell == */
.shell { padding: var(--shell-pad); min-height: 100vh; }
.shell__inner {
  background: var(--surface-page);
  border-radius: var(--radius-2xl);
  max-width: 1276px;
  margin: 0 auto;
  padding: 30px 0 0;
  overflow: hidden;
}
.wrap {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}
.section { max-width: var(--page-max); margin: 0 auto; padding: 112px var(--page-gutter) 0; }
.rule { height: 1px; background: var(--border-subtle); }

/* ================================================================ navbar == */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-10);
  padding: 4px 0;
}
.navbar__brand {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
  color: var(--text-strong);
}
.navbar__brand:hover { color: var(--text-strong); }
.navbar__nav { display: flex; align-items: center; gap: var(--space-8); }
.nav-link {
  font-family: var(--font-mono);
  font-size: var(--text-body-size);
  color: var(--text-strong);
  opacity: 0.72;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: opacity var(--duration-base) var(--ease-standard);
}
.nav-link:hover { opacity: 1; color: var(--text-strong); }
.nav-link.is-active { opacity: 1; border-bottom-color: var(--ink-900); }
.navbar__toggle { display: none; }
.navbar__nav-cta { display: none; }

/* ================================================================== hero == */
.hero {
  position: relative;
  min-height: calc(100svh - 148px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 64px 0;
}
.hero__wall {
  position: absolute;
  inset: -14% -14% -20%;
  pointer-events: none;
  transform: rotate(-6deg);
  opacity: 0.45;
  will-change: transform;
  -webkit-mask-image: radial-gradient(115% 85% at 20% 48%, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,0.35) 46%, rgba(0,0,0,1) 72%);
          mask-image: radial-gradient(115% 85% at 20% 48%, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,0.35) 46%, rgba(0,0,0,1) 72%);
}
.hero__wall-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; }
.hero__body { position: relative; width: 100%; max-width: var(--page-max); margin: 0 auto; padding: 0 var(--page-gutter); will-change: transform; }
.hero__copy { max-width: 700px; }
.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  letter-spacing: var(--text-caption-ls);
  color: var(--text-strong);
}
.hero__eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--ink-900); flex: 0 0 auto; }
.hero__title {
  margin: 24px 0 0;
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: clamp(38px, 5.6vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}
/* Line wrappers keep .hl a true inline box, so the marker highlight hugs the
   words (and breaks per-line via box-decoration-break) instead of being
   blockified into a full-width rectangle by the flex container. */
.hero__title-line { display: block; max-width: 100%; }
.hero__lede {
  margin: 30px 0 0;
  max-width: 520px;
  font-family: var(--font-mono);
  font-size: var(--text-body-lg-size);
  line-height: var(--text-body-lg-lh);
  color: var(--text-strong);
}
.hero__actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-top: 34px; }
.hero__facts {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--border-strong);
  font-family: var(--font-mono);
  font-size: var(--text-small-size);
  color: var(--text-strong);
}

/* quote card in the animated wall */
.qcard {
  background: var(--surface-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hard-sm);
  padding: 14px;
}
.qcard__ref { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.04em; color: var(--text-muted); }
.qcard__co { font-family: var(--font-display); font-weight: var(--weight-medium); font-size: 14px; letter-spacing: -0.01em; margin-top: 6px; line-height: 1.2; }
.qcard__sector { font-family: var(--font-mono); font-size: 10px; color: var(--text-muted); margin-top: 3px; }
.qcard__rule { height: 1px; background: var(--border-subtle); margin: 10px 0; }
.qcard__lines { display: grid; gap: 5px; }
.qcard__line { display: flex; justify-content: space-between; gap: 8px; font-family: var(--font-mono); font-size: 10px; color: var(--text-body); }
.qcard__line span:last-child { color: var(--text-muted); }
.qcard__total { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--font-mono); font-size: 11px; }
.qcard__total-label { font-size: 10px; letter-spacing: 0.04em; color: var(--text-muted); }
.qcard__total-val { background: var(--surface-highlight); padding: 1px 4px; }

/* ================================================================= stats == */
.stats {
  background: var(--surface-card-inverse);
  color: var(--text-inverse);
  border-radius: var(--radius-lg);
  margin: 0 28px;
}
.stats__grid {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 48px var(--page-gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat { padding-left: 20px; border-left: 1px solid var(--border-inverse); }
.stat__num {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: 44px;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: var(--text-small-size);
  line-height: 1.55;
  color: var(--text-inverse-muted);
  margin-top: 10px;
}

/* =============================================================== problem == */
.problem {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 112px var(--page-gutter) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.problem__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: var(--text-h1-size);
  line-height: var(--text-h1-lh);
  letter-spacing: var(--text-h1-ls);
  text-wrap: pretty;
}
.problem__p {
  margin: 24px 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
  color: var(--text-body);
}
.problem__p + .problem__p { margin-top: 14px; }
.problem__list { display: grid; gap: 0; margin-top: 30px; padding: 0; list-style: none; }
.problem__item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-body-size);
  line-height: 1.55;
}
.problem__item::before { content: "\2197"; flex: 0 0 auto; }

/* the half-finished draft quote */
.draft__head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-family: var(--font-mono); font-size: var(--text-caption-size); letter-spacing: var(--text-caption-ls); color: var(--text-muted); }
.draft__head strong { font-weight: var(--weight-regular); color: var(--text-strong); }
.draft__co { font-family: var(--font-display); font-weight: var(--weight-medium); font-size: var(--text-h3-size); letter-spacing: -0.01em; margin-top: 14px; }
.draft__sector { font-family: var(--font-mono); font-size: var(--text-small-size); color: var(--text-muted); margin-top: 4px; }
.draft__rule { height: 1px; background: var(--border-subtle); margin: 18px 0; }
.draft__lines { display: grid; gap: 12px; font-family: var(--font-mono); font-size: var(--text-body-size); }
.draft__line { display: flex; justify-content: space-between; gap: 16px; }
.draft__line--struck { text-decoration: line-through; color: var(--text-muted); }
.draft__line--open { color: var(--text-muted); }
.draft__total { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--font-mono); font-size: var(--text-body-size); }
.draft__total-label { font-size: var(--text-caption-size); letter-spacing: var(--text-caption-ls); color: var(--text-muted); }
.draft__total-val { font-family: var(--font-display); font-size: 22px; font-weight: var(--weight-medium); }
.draft__note { margin-top: 20px; font-family: var(--font-mono); font-size: var(--text-caption-size); letter-spacing: var(--text-caption-ls); color: var(--text-muted); }

/* ================================================================= steps == */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--grid-gap); margin-top: 44px; will-change: transform; }
.step { padding: 26px; }
.step__num { font-family: var(--font-mono); font-size: var(--text-caption-size); letter-spacing: var(--text-caption-ls); color: var(--text-muted); }
.card--dark .step__num { color: var(--text-inverse-muted); }
.step__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: var(--text-h3-size);
  line-height: 1.4;
  letter-spacing: var(--text-h3-ls);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.step__title-line { display: block; max-width: 100%; }
.step__body { margin: 16px 0 0; font-family: var(--font-mono); font-size: var(--text-body-size); line-height: var(--text-body-lh); color: var(--text-body); }
.card--dark .step__body { color: var(--text-inverse-muted); }

/* =============================================================== pricing == */
/* ===== billing factors (replaces the old SaaS-tier pricing table) ===== */
.factors { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--grid-gap); margin-top: 44px; will-change: transform; }
.factor { padding: 28px; }
.factor__label { font-family: var(--font-mono); font-size: var(--text-caption-size); letter-spacing: var(--text-caption-ls); text-transform: uppercase; color: var(--text-muted); }
.card--dark .factor__label { color: var(--text-inverse-muted); }
.factor__title { font-family: var(--font-display); font-weight: var(--weight-medium); font-size: var(--text-h3-size); line-height: var(--text-h3-lh); letter-spacing: var(--text-h3-ls); margin: 16px 0 0; }
.factor__body { margin: 16px 0 0; font-family: var(--font-mono); font-size: var(--text-body-size); line-height: var(--text-body-lh); color: var(--text-body); }
.card--dark .factor__body { color: var(--text-inverse-muted); }

.fact-note {
  margin-top: var(--space-16);
  padding: 32px;
  border-radius: var(--radius-xl);
  background: var(--ink-100);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.fact-note__body {
  font-family: var(--font-mono);
  font-size: var(--text-body-lg-size);
  line-height: var(--text-body-lg-lh);
  color: var(--text-body);
  max-width: 640px;
  margin: 0;
}
.fact-note__body strong { color: var(--text-strong); }

/* =============================================================== closing == */
.closing {
  background: var(--surface-card-inverse);
  color: var(--text-inverse);
  border-radius: var(--radius-xl);
  padding: 72px 48px;
  text-align: center;
  will-change: transform;
}
.closing__title {
  margin: 0 auto;
  max-width: 760px;
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: clamp(30px, 3.6vw, var(--text-display-size));
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}
.closing__body { margin: 22px auto 32px; max-width: 520px; font-family: var(--font-mono); font-size: var(--text-body-size); line-height: var(--text-body-lh); color: var(--text-inverse-muted); }
.closing__fine { margin: 20px 0 0; font-family: var(--font-mono); font-size: var(--text-caption-size); letter-spacing: var(--text-caption-ls); color: var(--ink-500); }

/* ================================================================ footer == */
.footer {
  background: var(--ink-900);
  color: var(--text-inverse);
  border-radius: var(--radius-2xl);
  padding: 56px 0 40px;
  margin-top: 112px;
}
.footer__grid {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}
.footer__brand { font-family: var(--font-display); font-weight: var(--weight-bold); font-size: 24px; letter-spacing: -0.02em; }
.footer__blurb { margin: 12px 0 0; max-width: 280px; font-family: var(--font-mono); font-size: var(--text-small-size); line-height: 1.65; color: var(--text-inverse-muted); }
.footer__head { font-family: var(--font-mono); font-size: var(--text-caption-size); letter-spacing: var(--text-caption-ls); color: var(--lime-500); margin-bottom: 14px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; font-family: var(--font-mono); font-size: var(--text-small-size); }
.footer__links a { color: var(--text-inverse-muted); }
.footer__links a:hover { color: var(--lime-500); }
.footer__bar {
  max-width: var(--page-max);
  margin: 44px auto 0;
  padding: 20px var(--page-gutter) 0;
  border-top: 1px solid var(--border-inverse);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer__copy { font-family: var(--font-mono); font-size: var(--text-caption-size); color: var(--ink-500); }

/* ================================================================= modal == */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(17, 17, 17, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: auto;
}
.modal[hidden] { display: none; }
.modal__dialog {
  background: var(--surface-page);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-hard);
  max-width: 520px;
  width: 100%;
  padding: 32px;
  margin: auto;
}
.modal__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.modal__eyebrow { font-family: var(--font-mono); font-size: var(--text-caption-size); letter-spacing: var(--text-caption-ls); color: var(--text-muted); }
.modal__title {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: var(--text-h2-size);
  line-height: var(--text-h2-lh);
  letter-spacing: var(--text-h2-ls);
}
.modal__lede { margin: 0 0 24px; font-family: var(--font-mono); font-size: var(--text-body-size); line-height: var(--text-body-lh); color: var(--text-body); }
.modal__form { display: grid; gap: 18px; }
.modal__fine { margin: 0; text-align: center; font-family: var(--font-mono); font-size: var(--text-caption-size); letter-spacing: var(--text-caption-ls); color: var(--text-muted); }
.modal__submit-error {
  margin: -4px 0 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  color: #C0392B;
}
.modal__submit-error:empty { display: none; }

.check-anim__wrap { display: flex; justify-content: center; margin-bottom: 18px; }
.check-anim { width: 64px; height: 64px; }
.check-anim__circle,
.check-anim__mark {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.check-anim__circle { stroke: var(--lime-600); stroke-width: 4; }
.check-anim__mark { stroke: var(--ink-900); stroke-width: 5; }
.modal__done.is-animating .check-anim__circle {
  animation: check-draw var(--duration-slow) var(--ease-out) forwards;
}
.modal__done.is-animating .check-anim__mark {
  animation: check-draw var(--duration-base) var(--ease-out) forwards;
  animation-delay: 0.3s;
}
@keyframes check-draw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .check-anim__circle, .check-anim__mark { stroke-dashoffset: 0 !important; animation: none !important; }
}

.modal__done { text-align: center; padding: 12px 0; }
.modal__done-title {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-size: var(--text-h2-size);
  letter-spacing: -0.01em;
  background: var(--surface-highlight);
  padding: 2px 8px;
}
.modal__done-body { margin: 22px 0 0; font-family: var(--font-mono); font-size: var(--text-body-size); line-height: var(--text-body-lh); color: var(--text-body); }
.modal__done-cta { margin-top: 26px; display: flex; justify-content: center; }
body.is-locked { overflow: hidden; }

/* ============================================================ responsive == */
@media (max-width: 1024px) {
  :root { --page-gutter: 32px; --shell-pad: 20px; }
  .section, .problem { padding-top: 96px; }
  .footer { margin-top: 96px; }
  .stats { margin: 0 20px; }
  .closing { padding: 60px 36px; }
}

@media (max-width: 900px) {
  .problem { grid-template-columns: 1fr; gap: 40px; }
  .steps, .factors { grid-template-columns: 1fr; }
  .fact-note { flex-direction: column; align-items: flex-start; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .cta-panel { grid-template-columns: 1fr; padding: 36px 32px; }
  .cta-panel__body { max-width: none; }
  .cta-panel__media { min-height: 0; justify-content: flex-start; }
  .section-header { flex-direction: column; gap: var(--space-6); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  /* Nav collapses into a disclosure menu. */
  .navbar { position: relative; gap: var(--space-4); }
  .navbar__nav {
    display: none;
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    z-index: 20;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface-page);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-hard);
    padding: 6px;
  }
  .navbar__nav.is-open { display: flex; }
  .navbar__nav .nav-link { opacity: 1; padding: 12px 14px; border-bottom: 0; border-radius: var(--radius-sm); }
  .navbar__nav .nav-link:hover { background: var(--ink-100); }
  .navbar__nav .nav-link.is-active { background: var(--surface-highlight); }
  .navbar__toggle { display: inline-flex; }
  .navbar__action { display: none; }
  .navbar__nav-cta { display: flex; width: 100%; margin-top: 6px; }
}

@media (max-width: 768px) {
  :root { --page-gutter: 24px; }
  .section, .problem { padding-top: 80px; }
  .footer { margin-top: 80px; }
  .hero { padding: 48px 0; min-height: auto; }
  .hero__wall { opacity: 0.28; inset: -10% -20% -14%; }
  .hero__wall-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .hero__title { margin-top: 20px; }
  .hero__lede { margin-top: 24px; }
  .hero__actions { gap: 16px; margin-top: 28px; }
  .hero__facts { gap: 8px 24px; margin-top: 32px; }
  .stats__grid { padding: 36px var(--page-gutter); }
  .stat__num { font-size: 38px; }
  .closing { padding: 48px 28px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .modal__dialog { padding: 24px; }
}

@media (max-width: 480px) {
  :root { --page-gutter: 20px; --shell-pad: 10px; }
  .shell__inner { border-radius: var(--radius-lg); }
  .footer { border-radius: var(--radius-lg); }
  .stats { margin: 0 10px; }
  .stats__grid { grid-template-columns: 1fr; gap: 24px; }
  .hero__wall { opacity: 0.2; }
  .hero__wall-grid { grid-template-columns: repeat(2, 1fr); }
  .card, .step, .factor { padding: 22px; }
  .closing { padding: 40px 22px; }
  .problem__title { font-size: 32px; }
  .btn--lg { padding: 15px 22px; }
  .hero__actions .btn--lg { width: 100%; }
}

/* ========================================================= scroll reveal == */
/* Elements marked [data-reveal] start hidden/offset and animate in once they
   cross into view. coteo.js toggles .is-visible via IntersectionObserver;
   this file only owns the visual states + per-group stagger timing. */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Staggered cascades for the fixed-size card grids. */
.stats__grid .stat:nth-child(2) { transition-delay: 90ms; }
.stats__grid .stat:nth-child(3) { transition-delay: 180ms; }
.stats__grid .stat:nth-child(4) { transition-delay: 270ms; }

.steps .step:nth-child(2) { transition-delay: 110ms; }
.steps .step:nth-child(3) { transition-delay: 220ms; }

.factors .factor:nth-child(2) { transition-delay: 110ms; }
.factors .factor:nth-child(3) { transition-delay: 220ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero__wall, .hero__body, .steps, .closing, [data-px] { transform: none !important; }
  .hero__wall { transform: rotate(-6deg) !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}

@media print {
  .hero__wall, .modal, .navbar__toggle { display: none !important; }
  body { background: var(--white); }
  .shell { padding: 0; }
}