:root {
  --ic-bg: #f5f8fc;
  --ic-surface: #ffffff;
  --ic-ink: #09090b;
  --ic-muted: #52525b;
  --ic-border: rgba(0, 18, 69, 0.12);
  --ic-accent: #60a5fa;
  --ic-accent-dim: #2563eb;
  --ic-band: #001245;
  --ic-band-mid: #01359c;
  --ic-glass: rgba(255, 255, 255, 0.72);
  --ic-glass-border: rgba(255, 255, 255, 0.35);
  --ic-max: min(1200px, 92%);
  --ic-gutter: 0;
  --ic-display: "Archivo", system-ui, sans-serif;
  --ic-body: "Space Grotesk", system-ui, sans-serif;
  --ic-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ic-dur: 220ms;
  --ic-radius: 20px;
  --ic-radius-lg: 28px;
  --ic-shadow: 0 4px 24px rgba(0, 18, 69, 0.08);
  --ic-shadow-lg: 0 24px 64px rgba(0, 18, 69, 0.14);

  --ic-blue-50: #eff6ff;
  --ic-blue-100: #dbeafe;
  --ic-blue-200: #bfdbfe;
  --ic-blue-600: #2563eb;
  --ic-blue-800: #1e40af;
  --ic-blue-900: #1e3a8a;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--ic-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ic-ink);
  background: var(--ic-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--ic-dur) var(--ic-ease);
}

a:hover {
  color: var(--ic-accent-dim);
}

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

/* ── Skip & progress ── */
.ic-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--ic-ink);
  color: #fff;
}

.ic-skip:focus {
  left: 1rem;
  top: 1rem;
}

.ic-progress,
.progress-track #progress {
  background: linear-gradient(90deg, var(--ic-accent), var(--ic-accent-dim));
}

/* ── Hero (immersive dark + mesh) ── */
.ic-hero {
  position: relative;
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(96, 165, 250, 0.22), transparent 55%),
    radial-gradient(ellipse 60% 50% at 85% 75%, rgba(1, 53, 156, 0.45), transparent 50%),
    linear-gradient(135deg, var(--ic-band) 0%, var(--ic-band-mid) 48%, #001539 100%);
}

.ic-hero__inner {
  width: var(--ic-max);
  margin-inline: auto;
}

.ic-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

.ic-hero__eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ic-accent);
  box-shadow: 0 0 8px var(--ic-accent);
}

.ic-hero__wordmark {
  margin: 0 0 1rem;
  font-family: var(--ic-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.ic-hero__wordmark em {
  font-style: normal;
  color: var(--ic-accent);
}

.ic-hero__title {
  margin: 0 0 1.25rem;
  font-family: var(--ic-display);
  font-size: clamp(2rem, 4.8vw, 3.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.ic-hero__title em {
  font-style: normal;
  color: var(--ic-accent);
}

.ic-hero__lead {
  margin: 0;
  max-width: none;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
}

.ic-mockup-frame {
  position: relative;
  border-radius: var(--ic-radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--ic-shadow-lg);
}

.ic-mockup-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.ic-mockup-frame__label {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  border-radius: 999px;
}

/* ── Meta bento (below hero) ── */
.ic-meta {
  display: flex;
  align-items: center;
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  background: var(--ic-bg);
}

.ic-meta__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.875rem;
  width: var(--ic-max);
  margin-inline: auto;
}

.ic-meta__card {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1.25rem 1.35rem;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  border-radius: var(--ic-radius);
  box-shadow: var(--ic-shadow);
  transition: border-color var(--ic-dur) var(--ic-ease), transform var(--ic-dur) var(--ic-ease);
}

.ic-meta__card:hover {
  border-color: rgba(37, 99, 235, 0.35);
  transform: translateY(-2px);
}

.ic-meta__icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  background: var(--ic-blue-100);
  color: var(--ic-blue-600);
}

.ic-meta__icon svg {
  width: 1.125rem;
  height: 1.125rem;
  stroke: currentColor;
  fill: none;
}

.ic-meta__label {
  margin: 0;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ic-muted);
}

.ic-meta__value {
  margin: 0.25rem 0 0;
  font-family: var(--ic-display);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ── Layout shell ── */
.ic-wrap {
  width: var(--ic-max);
  margin-inline: auto;
}

.ic-section {
  padding: clamp(3rem, 7vw, 5rem) 0;
  scroll-margin-top: 5rem;
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

.ic-section--surface {
  background: var(--ic-surface);
}

.ic-chapter {
  margin: 0 0 0.75rem;
  font-family: var(--ic-display);
  font-size: clamp(1.75rem, 3.5vw, 2.375rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.ic-chapter__num {
  color: var(--ic-accent-dim);
}

.ic-lede {
  margin: 0 0 2rem;
  max-width: 42rem;
  font-size: 1.0625rem;
  color: var(--ic-muted);
}

/* ── Bento grids ── */
.ic-bento {
  display: grid;
  gap: 1rem;
}

.ic-bento--problems {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.ic-bento--stats,
.ic-bento--process,
.ic-bento--outcomes,
.ic-bento--reflect {
  align-items: stretch;
}

.ic-quote-wrap {
  margin-bottom: 1rem;
}

.ic-quote {
  margin: 0;
  padding: clamp(1.25rem, 3vw, 1.75rem) clamp(1.25rem, 3vw, 2rem);
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  font-style: italic;
  line-height: 1.55;
  color: var(--ic-ink);
  background: var(--ic-blue-50);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: var(--ic-radius);
}
.ic-bento--stats {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 2rem 0;
}

.ic-bento--process {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ic-bento--tabs {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.ic-bento--principles {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1rem;
}

.ic-bento--system {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 1rem;
}

.ic-bento--objectives {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ic-bento--personas {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.ic-bento--themes {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ic-bento--flows {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.ic-persona {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
  padding: 1.5rem;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  border-radius: var(--ic-radius);
  box-shadow: var(--ic-shadow);
}

.ic-section--surface .ic-persona {
  background: var(--ic-bg);
}

.ic-persona__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.75rem;
}

.ic-persona__name {
  margin: 0;
  font-family: var(--ic-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.ic-persona__role {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ic-accent-dim);
}

.ic-persona__block h4 {
  margin: 0 0 0.35rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ic-muted);
}

.ic-persona__block p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ic-muted);
  line-height: 1.55;
}

.ic-subhead {
  margin: 2rem 0 1rem;
  font-family: var(--ic-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.ic-bento--ui {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2rem);
}

.ic-ui-tile--full {
  grid-column: 1 / -1;
}

.ic-bento--outcomes {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ic-bento--reflect {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ic-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding: 1.35rem 1.5rem;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  border-radius: var(--ic-radius);
  box-shadow: var(--ic-shadow);
}

.ic-section--surface .ic-card {
  background: var(--ic-bg);
}

.ic-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
}

.ic-card h3,
.ic-card h4 {
  margin: 0 0 0.5rem;
  font-family: var(--ic-display);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.25;
}

.ic-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ic-muted);
}

.ic-quote footer {
  margin-top: 1rem;
  font-size: 0.8125rem;
  font-style: normal;
  color: var(--ic-muted);
}

.ic-stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding: 1.5rem;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  border-radius: var(--ic-radius);
  box-shadow: var(--ic-shadow);
}

.ic-stat__num {
  font-family: var(--ic-display);
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ic-accent-dim);
}

.ic-stat__label {
  margin: 0.65rem 0 0;
  font-size: 0.875rem;
  color: var(--ic-muted);
}

.ic-process-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding: 1.5rem;
  border-radius: var(--ic-radius);
}

.ic-process-card h4 {
  margin: 0 0 0.65rem;
  font-family: var(--ic-display);
  font-size: 1rem;
  font-weight: 600;
}

.ic-process-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.55;
}

.ic-process-card--1 {
  background: var(--ic-blue-50);
  color: var(--ic-blue-900);
}

.ic-process-card--1 p {
  color: var(--ic-blue-800);
}

.ic-process-card--2 {
  background: var(--ic-blue-100);
  color: var(--ic-blue-900);
}

.ic-process-card--2 p {
  color: var(--ic-blue-800);
}

.ic-process-card--3 {
  background: var(--ic-blue-200);
  color: var(--ic-blue-900);
}

.ic-process-card--3 p {
  color: var(--ic-blue-800);
}

/* ── UI bento tiles ── */
.ic-ui-tile {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.25rem;
  background: var(--ic-bg);
  border: 1px solid var(--ic-border);
  border-radius: var(--ic-radius-lg);
  overflow: hidden;
}

.ic-section--surface .ic-ui-tile {
  background: var(--ic-surface);
}

.ic-ui-tile__head {
  margin-bottom: 1rem;
}

.ic-ui-tile__num {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ic-accent-dim);
}

.ic-ui-tile__title {
  margin: 0 0 0.5rem;
  font-family: var(--ic-display);
  font-size: 1.125rem;
  font-weight: 600;
}

.ic-ui-tile__body {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  color: var(--ic-muted);
}

.ic-ui-tile__frame {
  margin-top: auto;
  border-radius: calc(var(--ic-radius-lg) - 6px);
  overflow: hidden;
  border: 1px solid var(--ic-border);
  background: #eef2f8;
  box-shadow: var(--ic-shadow);
}

.ic-ui-tile__frame--phone {
  display: flex;
  justify-content: center;
  padding: clamp(1rem, 3vw, 1.75rem);
}

.ic-ui-tile__frame--phone img {
  width: 100%;
  max-width: min(420px, 100%);
}

.ic-ui-tile__frame img {
  width: 100%;
  height: auto;
  display: block;
}

.ic-ui-tile__frame-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: auto;
  padding: 0.75rem;
  border-radius: calc(var(--ic-radius-lg) - 6px);
  border: 1px solid var(--ic-border);
  background: #eef2f8;
  box-shadow: var(--ic-shadow);
}

.ic-ui-tile__frame-grid img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--ic-radius) - 4px);
}

.ic-ui-tile__frame--placeholder {
  display: grid;
  place-items: center;
  min-height: 200px;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(0, 18, 69, 0.04)),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 8px,
      rgba(0, 18, 69, 0.03) 8px,
      rgba(0, 18, 69, 0.03) 16px
    );
}

.ic-ui-tile__placeholder {
  padding: 1rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ic-muted);
  text-align: center;
}

.ic-outcome {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding: 1.5rem;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  border-radius: var(--ic-radius);
  box-shadow: var(--ic-shadow);
}

.ic-section:not(.ic-section--surface) .ic-outcome {
  background: var(--ic-surface);
}

.ic-outcome__num {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ic-accent-dim);
}

.ic-outcome h3 {
  margin: 0 0 0.5rem;
  font-family: var(--ic-display);
  font-size: 1.125rem;
  font-weight: 600;
}

.ic-outcome p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ic-muted);
}

.ic-reflect {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding: 1.5rem;
  background: var(--ic-bg);
  border: 1px solid var(--ic-border);
  border-left: 3px solid var(--ic-accent);
  border-radius: var(--ic-radius);
}

.ic-section--surface .ic-reflect {
  background: var(--ic-surface);
}

.ic-reflect__tag {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ic-accent-dim);
}

.ic-reflect h3 {
  margin: 0 0 0.5rem;
  font-family: var(--ic-display);
  font-size: 1.125rem;
  font-weight: 600;
}

.ic-reflect p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ic-muted);
}

/* ── Mockup swap note (dev) ── */
.ic-mockup-note {
  margin: 2rem 0 0;
  padding: 1rem 1.25rem;
  font-size: 0.8125rem;
  color: var(--ic-muted);
  background: var(--ic-blue-50);
  border: 1px dashed rgba(37, 99, 235, 0.4);
  border-radius: var(--ic-radius);
}

.ic-mockup-note strong {
  color: var(--ic-ink);
}

/* ── Footer ── */
.ic-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--ic-border);
  background: var(--ic-surface);
}

.ic-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: var(--ic-max);
  margin-inline: auto;
}

.ic-footer__brand {
  font-family: var(--ic-display);
  font-weight: 700;
}

.ic-footer__copy {
  margin: 0.35rem 0 0;
  font-size: 0.875rem;
  color: var(--ic-muted);
}

.ic-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .ic-meta__grid,
  .ic-bento--stats,
  .ic-bento--tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ic-bento--system {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ic-bento--themes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ic-ui-tile__frame-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .ic-meta__grid,
  .ic-bento--problems,
  .ic-bento--process,
  .ic-bento--outcomes,
  .ic-bento--reflect,
  .ic-bento--stats,
  .ic-bento--tabs,
  .ic-bento--principles,
  .ic-bento--system,
  .ic-bento--objectives,
  .ic-bento--personas,
  .ic-bento--themes,
  .ic-bento--flows,
  .ic-bento--objectives,
  .ic-bento--personas,
  .ic-bento--themes,
  .ic-bento--ui {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}