/* Hallmark · genre: modern-minimal · macrostructure: Narrative Workflow · theme: ANA dark · enrichment: functional diagram · nav: N5 · footer: Ft5 · contrast: pass (46-50) · slop: pass (1-69)
 * site-aa · audience: directions PME et grands comptes · use: appel de cadrage · tone: technique premium · motion: tier 1 restrained · 2026-08-23
 * Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V5
 */

@import url("../tokens.css");

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

html,
body {
  margin: 0;
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  background: var(--color-paper);
}

body {
  min-width: 20rem;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--color-rule) var(--rule-hair), transparent var(--rule-hair)),
    linear-gradient(90deg, var(--color-rule) var(--rule-hair), transparent var(--rule-hair));
  background-size: 5rem 5rem;
  content: "";
  opacity: 0.13;
  pointer-events: none;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
textarea,
select {
  font: inherit;
}

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

h1,
h2,
h3,
p,
figure,
ol,
ul,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  overflow-wrap: anywhere;
  min-width: 0;
}

h1 {
  max-width: 11ch;
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

h2 {
  max-width: 18ch;
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
}

h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-modal);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-paper);
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.shell {
  width: min(100%, var(--page-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.nav-pill {
  position: fixed;
  inset-block-start: var(--space-md);
  inset-inline-start: 50%;
  z-index: var(--z-sticky);
  display: flex;
  width: calc(100% - 2rem);
  max-width: 42rem;
  min-height: var(--control-height);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-2xs) var(--space-2xs) var(--space-2xs) var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-pill);
  background: color-mix(in oklch, var(--color-paper-raised) 90%, transparent);
  box-shadow: var(--shadow-nav);
  backdrop-filter: blur(0.875rem) saturate(120%);
  transform: translateX(-50%);
}

.wordmark {
  font-family: var(--font-wordmark);
  font-size: var(--text-md);
  letter-spacing: -0.025em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark small {
  margin-inline-start: var(--space-xs);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-xs);
  padding: 0;
  list-style: none;
}

.nav-links a {
  display: grid;
  min-height: 2.75rem;
  place-items: center;
  padding-inline: var(--space-sm);
  border-radius: var(--radius-pill);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
  white-space: nowrap;
}

.button {
  display: inline-flex;
  min-height: var(--control-height);
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding-inline: var(--space-lg);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-pill);
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition:
    background-color var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
  white-space: nowrap;
}

.button-primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.button-secondary {
  background: var(--color-paper-raised);
}

.button:active {
  transform: translateY(1px);
}

.button[aria-disabled="true"],
.button.is-disabled {
  cursor: not-allowed;
  opacity: 0.5;
  pointer-events: none;
}

.button[data-state="loading"]::before {
  width: 0.8rem;
  aspect-ratio: 1;
  border: var(--rule-strong) solid currentColor;
  border-inline-end-color: transparent;
  border-radius: var(--radius-pill);
  content: "";
}

.button[data-state="error"] {
  border-color: var(--color-error);
}

.button[data-state="success"] {
  border-color: var(--color-success);
}

.button[data-state="success"]::before {
  content: "✓";
}

.nav-cta {
  min-height: 2.5rem;
  padding-inline: var(--space-md);
  font-size: var(--text-sm);
}

.hero {
  display: grid;
  gap: var(--space-2xl);
  padding-block: var(--space-3xl) var(--space-4xl);
}

.hero-copy {
  display: grid;
  align-content: center;
  gap: var(--space-lg);
}

.hero-kicker,
.stage-number,
.format-label,
.diagram-label,
.data-label {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-lede {
  max-width: 38rem;
  color: var(--color-ink-soft);
  font-size: var(--text-md);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero-note {
  max-width: 54ch;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.map-figure {
  position: relative;
  display: grid;
  min-height: 30rem;
  grid-template-rows: repeat(4, 1fr);
  gap: var(--space-sm);
  padding: var(--space-lg);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-lg);
  background: var(--color-paper-raised);
  color: var(--color-ink);
}

.map-figure::before {
  position: absolute;
  inset-block: var(--space-xl);
  inset-inline-start: 50%;
  width: var(--rule-hair);
  background: var(--color-rule-strong);
  content: "";
}

.map-node {
  position: relative;
  z-index: var(--z-raised);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-md);
  width: min(100%, 22rem);
  padding: var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  background: var(--color-paper-high);
  color: var(--color-ink);
}

.map-node:nth-child(even) {
  justify-self: end;
}

.map-node:nth-child(odd) {
  justify-self: start;
}

.map-node.is-human {
  border-color: var(--color-accent);
}

.node-index {
  display: grid;
  width: 2.5rem;
  aspect-ratio: 1;
  place-items: center;
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.map-node strong {
  display: block;
  font-size: var(--text-base);
}

.map-node span:last-child {
  display: block;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.map-caption {
  position: absolute;
  inset-block-end: var(--space-sm);
  inset-inline-end: var(--space-md);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.argument {
  display: grid;
  gap: var(--space-xl);
  padding-block: var(--space-2xl) var(--space-4xl);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.argument p {
  max-width: 34ch;
  color: var(--color-ink-soft);
  font-size: var(--text-lg);
  line-height: 1.45;
}

.workflow {
  padding-block: var(--space-3xl) var(--space-4xl);
}

.section-intro {
  display: grid;
  gap: var(--space-lg);
  margin-block-end: var(--space-3xl);
}

.section-intro p {
  max-width: 62ch;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.steps {
  display: grid;
  padding: 0;
  border-block-start: var(--rule-strong) solid var(--color-rule-strong);
  list-style: none;
}

.step {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-xl);
  border-block-end: var(--rule-hair) solid var(--color-rule-strong);
}

.step-copy {
  display: grid;
  gap: var(--space-sm);
}

.step-copy p {
  max-width: 58ch;
  color: var(--color-muted);
}

.step-owner {
  align-self: start;
  justify-self: start;
  padding: var(--space-xs) var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-pill);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.step-owner.is-human {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.step-owner.is-system {
  border-color: var(--color-teal);
  color: var(--color-teal);
}

.human-section {
  padding-block: var(--space-4xl);
  background: var(--color-ink);
  color: var(--color-paper);
}

.human-section .section-intro p {
  color: var(--color-paper-high);
}

.human-grid {
  display: grid;
  gap: var(--space-xl);
}

.human-role {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.human-role p {
  color: var(--color-paper-high);
}

.formats {
  padding-block: var(--space-4xl);
}

.format-grid {
  display: grid;
  gap: var(--space-lg);
}

.format {
  display: grid;
  align-content: start;
  gap: var(--space-lg);
  padding: var(--space-xl);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-lg);
  background: var(--color-paper-raised);
  color: var(--color-ink);
}

.format-enterprise {
  background: var(--color-paper-high);
}

.format p {
  color: var(--color-muted);
}

.format ul,
.deliverable-list {
  display: grid;
  gap: var(--space-sm);
  padding: 0;
  list-style: none;
}

.format li,
.deliverable-list li {
  position: relative;
  padding-inline-start: var(--space-lg);
  color: var(--color-ink-soft);
}

.format li::before,
.deliverable-list li::before {
  position: absolute;
  inset-block-start: 0.72em;
  inset-inline-start: 0;
  width: 0.45rem;
  height: var(--rule-hair);
  background: var(--color-accent);
  content: "";
}

.format-foot {
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.deliverables {
  display: grid;
  gap: var(--space-2xl);
  padding-block: var(--space-3xl) var(--space-4xl);
  border-block: var(--rule-hair) solid var(--color-rule);
}

.deliverable-list {
  counter-reset: deliverable;
}

.deliverable-list li {
  display: grid;
  min-height: 4rem;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  align-items: center;
  padding: var(--space-md) 0;
  border-block-end: var(--rule-hair) solid var(--color-rule);
  counter-increment: deliverable;
}

.deliverable-list li::before {
  position: static;
  width: auto;
  height: auto;
  background: none;
  color: var(--color-accent);
  content: counter(deliverable, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.faq {
  display: grid;
  gap: var(--space-2xl);
  padding-block: var(--space-4xl);
}

.faq-list {
  display: grid;
  gap: 0;
}

.faq-item {
  display: grid;
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.faq-item:last-child {
  border-block-end: var(--rule-hair) solid var(--color-rule-strong);
}

.faq-item dd {
  max-width: 62ch;
  color: var(--color-muted);
}

.closing {
  display: grid;
  gap: var(--space-xl);
  padding-block: var(--space-4xl);
}

.closing p {
  max-width: 48ch;
  color: var(--color-ink-soft);
  font-size: var(--text-md);
}

.text-link {
  display: inline-flex;
  width: fit-content;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-accent);
  font-weight: 700;
  text-decoration-color: var(--color-rule-strong);
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: var(--space-xs);
  white-space: nowrap;
}

.foot-stmt {
  display: grid;
  gap: var(--space-2xl);
  padding-block: var(--space-3xl) var(--space-xl);
  border-block-start: var(--rule-strong) solid var(--color-rule-strong);
}

.foot-stmt-line {
  max-width: 20ch;
  font-family: var(--font-wordmark);
  font-size: clamp(2.5rem, 7vw, 4.75rem);
  letter-spacing: -0.035em;
  line-height: 1;
}

.foot-stmt-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.wa-fab {
  position: fixed;
  inset-block-end: var(--space-lg);
  inset-inline-start: var(--space-lg);
  z-index: var(--z-sticky);
  display: grid;
  width: 3.5rem;
  aspect-ratio: 1;
  place-items: center;
  border: var(--rule-hair) solid var(--color-teal);
  border-radius: var(--radius-pill);
  background: var(--color-teal);
  color: var(--color-teal-ink);
  transition: transform var(--dur-micro) var(--ease-out);
}

.wa-fab svg {
  width: 1.5rem;
}

.hero-copy > * {
  opacity: 0;
  transform: translateY(0.5rem);
  animation: hero-enter var(--dur-long) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 70ms);
}

@keyframes hero-enter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step::after {
  align-self: center;
  justify-self: end;
  width: 100%;
  height: var(--rule-strong);
  background: var(--color-accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-long) var(--ease-out);
}

.step.is-visible::after {
  transform: scaleX(1);
}

@media (hover: hover) and (pointer: fine) {
  .button:hover {
    transform: translateY(-1px);
  }

  .button-primary:hover {
    border-color: var(--color-accent-hover);
    background: var(--color-accent-hover);
  }

  .button-secondary:hover,
  .nav-links a:hover {
    background: var(--color-paper-high);
  }

  .text-link:hover {
    text-decoration-color: var(--color-accent);
    text-decoration-thickness: var(--rule-strong);
  }

  .wa-fab:hover {
    transform: translateY(-1px);
  }
}

@media (min-width: 40rem) {
  .nav-links {
    display: flex;
  }

  .argument {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: end;
  }

  .step {
    grid-template-columns: 4.5rem minmax(0, 1fr) 7rem;
    align-items: start;
  }

  .step::after {
    grid-column: 2 / -1;
  }

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

  .format-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .deliverables {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .foot-stmt-meta {
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
  }
}

@media (min-width: 60rem) {
  .hero {
    min-height: 48rem;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: var(--space-3xl);
  }

  .section-intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr);
    align-items: end;
  }

  .faq {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
    align-items: start;
  }
}

@media (pointer: coarse) {
  .button,
  .nav-links a,
  .text-link {
    min-height: 3rem;
  }
}

@media print {
  .nav-pill,
  .wa-fab,
  .hero-actions,
  .closing .button {
    display: none;
  }

  body {
    background: var(--color-ink);
    color: var(--color-paper);
  }

  body::before {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: var(--dur-micro) !important;
    animation-iteration-count: 1 !important;
    transition-duration: var(--dur-micro) !important;
  }

  .hero-copy > * {
    opacity: 1;
    transform: none;
  }

  .step::after {
    transform: scaleX(1);
  }
}