/* Olivier Colas — design chaleureux & humain */
:root {
  /* Chaleur */
  --bg: #faf6ef;
  --bg-warm: #f3eadc;
  --bg-sand: #efe3d2;
  --surface: #fffdf9;
  --surface-2: #fff8ee;

  /* Encres */
  --ink: #2a2118;
  --ink-soft: #5c4f42;
  --ink-faint: #6f6254;
  --border: #e5d8c5;
  --border-strong: #d2c0a8;

  /* Couleurs vivantes */
  --terracotta: #a84b26;
  --terracotta-hover: #8f3c1c;
  --terracotta-soft: #f4e0d4;
  --amber: #e0a054;
  --amber-soft: #f8ecd4;
  --sage: #6d8f71;
  --sage-soft: #e2ebe2;
  --ocean: #3d6f8f;
  --ocean-soft: #dce8f0;
  --clay: #9a5b45;
  --plum: #7a4e5d;

  /* Sombre chaleureux */
  --dark: #2c2218;
  --dark-surface: #3a2e22;
  --dark-surface-2: #4a3b2c;
  --dark-border: #5c4a38;
  --dark-ink: #faf3e8;
  --dark-ink-soft: #cbb9a4;
  --dark-ink-faint: #a08b74;
  --dark-accent: #e8b07a;

  --success: #3d7a4a;
  --success-soft: #e2f0e4;
  --danger: #b44a2f;
  --danger-soft: #f8e4dc;

  --font-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --font-sans: "DM Sans", "Segoe UI", system-ui, sans-serif;

  --step--2: clamp(0.75rem, 0.74rem + 0.05vw, 0.8125rem);
  --step--1: 0.875rem;
  --step-0: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  --step-1: clamp(1.0625rem, 1.02rem + 0.25vw, 1.1875rem);
  --step-2: clamp(1.375rem, 1.28rem + 0.5vw, 1.75rem);
  --step-3: clamp(1.75rem, 1.5rem + 1.3vw, 2.5rem);
  --step-4: clamp(2rem, 1.45rem + 2.8vw, 3rem);
  --step-5: clamp(2.25rem, 1.2rem + 5vw, 3.75rem);
  --step-6: clamp(2.5rem, 1rem + 6vw, 4.25rem);

  --space-section: clamp(4rem, 2rem + 8vw, 8.5rem);
  --gutter: clamp(1.25rem, 0.7rem + 2.4vw, 2.5rem);
  --maxw: 1280px;
  --editorial: 760px;
  --header-h: 80px;

  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-pill: 999px;

  --shadow-xs: 0 1px 2px #2a211808;
  --shadow-sm: 0 4px 14px #2a21180d;
  --shadow-md: 0 16px 40px -16px #2a211826;
  --shadow-lg: 0 28px 64px -24px #2a211833;
  --shadow-warm: 0 12px 32px -12px #c45c3226;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.4s;
  --accent: var(--terracotta);
  --accent-hover: var(--terracotta-hover);
  --accent-soft: var(--terracotta-soft);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.7;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img,
svg,
video {
  max-width: 100%;
  display: block;
  height: auto;
}
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  background: none;
  border: none;
}
a {
  color: inherit;
  text-decoration: none;
}
ul,
ol {
  padding: 0;
  list-style: none;
}
:target {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  text-wrap: balance;
}
h1 {
  font-size: var(--step-5);
}
h2 {
  font-size: var(--step-4);
}
h3 {
  font-size: var(--step-2);
  line-height: 1.2;
}
h4 {
  font-size: var(--step-1);
  font-weight: 650;
}
p {
  text-wrap: pretty;
}
strong {
  font-weight: 650;
}

.hero-title {
  font-size: var(--step-6);
  line-height: 1.05;
}
.display-title {
  font-size: var(--step-5);
  line-height: 1.08;
}
.lead {
  font-size: var(--step-1);
  color: var(--ink-soft);
  line-height: 1.65;
}
.small {
  font-size: var(--step--1);
}
.muted {
  color: var(--ink-soft);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terracotta);
  font-size: 0.75rem;
  font-weight: 700;
}
.eyebrow::before {
  content: "";
  width: 1.4rem;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--terracotta), var(--amber));
}
.eyebrow--muted {
  color: var(--ink-faint);
}
.eyebrow--dark {
  color: var(--dark-accent);
}
.num {
  font-variant-numeric: tabular-nums;
}
.container {
  width: 100%;
  max-width: var(--maxw);
  padding-inline: var(--gutter);
  margin-inline: auto;
}
.editorial {
  max-width: var(--editorial);
  margin-inline: 0;
}
.section {
  padding-block: var(--space-section);
}
.section--tight {
  padding-block: clamp(3rem, 2rem + 4vw, 5.5rem);
}
.section--dark {
  background: var(--dark);
  color: var(--dark-ink);
}
.section--warm {
  background: linear-gradient(180deg, var(--bg-warm), var(--bg-sand));
}
.section--sand {
  background: var(--bg-sand);
}
.section--surface {
  background: var(--surface);
}
.stack {
  display: flex;
  flex-direction: column;
}
.stack > * + * {
  margin-top: var(--flow, 1.25rem);
}

/* Boutons */
.btn {
  --btn-bg: var(--terracotta);
  --btn-fg: #fff;
  --btn-bd: var(--terracotta);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  padding: 0.9em 1.45em;
  border: 1px solid var(--btn-bd);
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 650;
  font-size: var(--step-0);
  line-height: 1.2;
  white-space: nowrap;
  box-shadow: var(--shadow-warm);
  transition:
    background-color 0.2s var(--ease),
    border-color 0.2s var(--ease),
    transform 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}
.btn:hover {
  --btn-bg: var(--terracotta-hover);
  --btn-bd: var(--terracotta-hover);
  transform: translateY(-1px);
  box-shadow: 0 16px 36px -14px #c45c3255;
}
.btn:active {
  transform: translateY(1px);
}
.btn--secondary {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: var(--border-strong);
  box-shadow: none;
}
.btn--secondary:hover {
  --btn-bg: var(--ink);
  --btn-fg: var(--bg);
  --btn-bd: var(--ink);
  box-shadow: none;
}
.btn--amber {
  --btn-bg: var(--amber);
  --btn-fg: #2a2118;
  --btn-bd: var(--amber);
}
.btn--amber:hover {
  --btn-bg: #c98a3e;
  --btn-bd: #c98a3e;
}
.btn--ghost-dark {
  --btn-bg: transparent;
  --btn-fg: var(--dark-ink);
  --btn-bd: var(--dark-border);
  box-shadow: none;
}
.btn--ghost-dark:hover {
  --btn-bg: var(--dark-ink);
  --btn-fg: var(--dark);
  --btn-bd: var(--dark-ink);
}
.btn--lg {
  font-size: var(--step-1);
  padding: 1em 1.7em;
}
.btn--block {
  width: 100%;
}
.btn .arrow {
  transition: transform 0.25s var(--ease);
}
.btn:hover .arrow {
  transform: translate(3px);
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  color: var(--terracotta);
  font-weight: 650;
}
.link-arrow:hover {
  color: var(--terracotta-hover);
}
.link-arrow .arrow {
  transition: transform 0.25s var(--ease);
}
.link-arrow:hover .arrow {
  transform: translate(4px);
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: clamp(1.4rem, 1.1rem + 1.4vw, 2.1rem);
}
.card--hover {
  transition:
    border-color 0.25s var(--ease),
    transform 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}
.card--hover:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.card--tint-terra {
  background: linear-gradient(160deg, var(--terracotta-soft), var(--surface));
}
.card--tint-amber {
  background: linear-gradient(160deg, var(--amber-soft), var(--surface));
}
.card--tint-sage {
  background: linear-gradient(160deg, var(--sage-soft), var(--surface));
}
.card--tint-ocean {
  background: linear-gradient(160deg, var(--ocean-soft), var(--surface));
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35em 0.8em;
  border-radius: var(--r-pill);
  background: var(--terracotta-soft);
  color: #7a4533;
  font-size: var(--step--2);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge--amber {
  background: var(--amber-soft);
  color: #8a5a1a;
}
.badge--sage {
  background: var(--sage-soft);
  color: #3d5c40;
}
.badge--ocean {
  background: var(--ocean-soft);
  color: #2f5874;
}
.icon-dot {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--terracotta-soft);
  color: var(--terracotta);
  font-weight: 700;
  flex-shrink: 0;
}
.icon-dot--amber {
  background: var(--amber-soft);
  color: #a06a1c;
}
.icon-dot--sage {
  background: var(--sage-soft);
  color: var(--sage);
}
.icon-dot--ocean {
  background: var(--ocean-soft);
  color: var(--ocean);
}

.grid {
  display: grid;
  gap: clamp(1rem, 0.6rem + 1.5vw, 1.6rem);
}
.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
@media (width <= 960px) {
  .grid--4,
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (width <= 640px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: minmax(0, 1fr);
  }
}

.rule {
  background: var(--border);
  border: 0;
  height: 1px;
}
.section--dark .rule {
  background: var(--dark-border);
}

:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 3px;
  border-radius: 3px;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 1000;
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--r-sm);
  padding: 0.75rem 1.1rem;
  font-weight: 650;
  transition: top 0.2s var(--ease);
}
.skip-link:focus {
  top: 1rem;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  white-space: nowrap;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
.js .hero-copy [data-reveal],
.js .page-hero [data-reveal] {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}
::selection {
  background: #c45c3233;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  backdrop-filter: saturate(160%) blur(14px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.wordmark .mark {
  display: none;
}
.nav-desktop {
  display: flex;
  align-items: center;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: nowrap;
}
.nav-link {
  padding: 0.55rem 0.95rem;
  border-radius: var(--r-pill);
  color: var(--ink-soft);
  font-size: 0.9375rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--ink);
  background: var(--surface-2);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.header-cta {
  box-shadow: none;
}
.menu-toggle {
  display: none;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-strong);
  align-items: center;
  justify-content: center;
}
.menu-toggle .bars {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 1.1rem;
}
.menu-toggle .bars span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
.site-header.is-open .menu-toggle .bars span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}
.site-header.is-open .menu-toggle .bars span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}
.nav-mobile {
  display: none;
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 1rem 0 1.25rem;
}
.nav-mobile-list {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
}
.nav-mobile-link {
  display: block;
  padding: 0.85rem 0.5rem;
  border-radius: var(--r-sm);
  font-weight: 600;
}
.nav-mobile-link:hover {
  background: var(--surface-2);
}
@media (width <= 980px) {
  .nav-desktop {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .nav-mobile {
    display: none;
  }
  .site-header.is-open .nav-mobile {
    display: block;
  }
  .header-cta {
    display: none;
  }
}

/* Hero */
.hero {
  padding-block: clamp(3rem, 1.5rem + 6vw, 6.5rem) clamp(2.5rem, 1rem + 5vw, 5rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background:
    radial-gradient(ellipse 50% 60% at 80% 20%, #e0a0542e, transparent 60%),
    radial-gradient(ellipse 40% 50% at 15% 40%, #c45c3222, transparent 55%),
    radial-gradient(ellipse 30% 40% at 55% 80%, #6d8f7120, transparent 50%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
.hero-copy .lead {
  margin-top: 1.25rem;
  max-width: 40rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.hero-visual {
  position: relative;
}
.photo-frame {
  border-radius: calc(var(--r-lg) + 6px);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  background: var(--surface);
  position: relative;
}
.photo-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.photo-frame figcaption,
.photo-caption {
  border-top: 1px solid var(--border);
  padding: 0.85rem 1.1rem;
  font-size: var(--step--1);
  color: var(--ink-soft);
  background: var(--surface);
}
.photo-float {
  position: static;
  max-width: none;
  margin-top: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow-md);
  font-size: var(--step--1);
}
.photo-float strong {
  display: block;
  color: var(--terracotta);
  margin-bottom: 0.2rem;
}
@media (width <= 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}
@media (width <= 640px) {
  .hero-actions .btn {
    width: 100%;
  }
}

/* Chaîne / steps */
.chain {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}
.chain-step {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.95rem;
  border-radius: var(--r-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: var(--step--1);
  font-weight: 650;
}
.chain-step .n {
  color: var(--terracotta);
  font-size: 0.75rem;
}
.chain-arrow {
  color: var(--border-strong);
  align-self: center;
}
.vertical-flow {
  display: grid;
  gap: 0;
  max-width: 28rem;
  margin-inline: auto;
}
.vertical-flow li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.vertical-flow .label {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--r-md);
  background: var(--surface);
  border: 1px solid var(--border);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  color: var(--ink);
}
.vertical-flow .link-line {
  width: 2px;
  height: 1.4rem;
  background: linear-gradient(var(--terracotta), var(--amber));
  border-radius: 2px;
}
.vertical-flow .label.is-accent {
  background: linear-gradient(135deg, var(--terracotta), var(--clay));
  color: #fff;
  border-color: transparent;
}
.section--dark .vertical-flow .label {
  background: var(--dark-surface-2);
  border-color: var(--dark-border);
  color: var(--dark-ink);
}
.section--dark .vertical-flow .label.is-accent {
  background: linear-gradient(135deg, var(--terracotta), var(--clay));
  color: #fff;
  border-color: transparent;
}

/* MPR */
.mpr-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  counter-reset: mpr;
}
@media (width <= 860px) {
  .mpr-grid {
    grid-template-columns: 1fr;
  }
}
.mpr-card {
  position: relative;
  padding-top: 1.4rem;
}
.mpr-card::before {
  content: attr(data-n);
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--terracotta);
  opacity: 0.85;
  margin-bottom: 0.75rem;
}
.mpr-q {
  font-family: var(--font-display);
  font-weight: 650;
  margin: 0.5rem 0 0.75rem;
  color: var(--ink);
}

/* Family cards */
.family-num {
  font-family: var(--font-display);
  font-size: 2.75rem;
  line-height: 1;
  opacity: 0.9;
  margin-bottom: 0.75rem;
}
.family-01 {
  color: var(--terracotta);
}
.family-02 {
  color: #8a5a1a;
}
.family-03 {
  color: var(--sage);
}
.family-04 {
  color: var(--ocean);
}

/* Columns 3 */
.cols-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}
@media (width <= 800px) {
  .cols-3 {
    grid-template-columns: 1fr;
  }
}
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}
.pill {
  padding: 0.35em 0.75em;
  border-radius: var(--r-pill);
  background: var(--bg-warm);
  border: 1px solid var(--border);
  font-size: var(--step--1);
  color: var(--ink-soft);
}

/* Exercises */
.exercise {
  border-left: 4px solid var(--amber);
  background: var(--amber-soft);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: 1.25rem 1.4rem;
}
.exercise h3,
.exercise h4 {
  color: #7a4f14;
  margin-bottom: 0.5rem;
}
.exercise-line {
  margin-top: 0.85rem;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-sm);
  font-family: var(--font-display);
  font-size: var(--step-1);
}

/* Page hero */
.page-hero {
  padding-block: clamp(2.5rem, 1.5rem + 5vw, 4.5rem) clamp(1.25rem, 0.75rem + 2vw, 2rem);
  background:
    radial-gradient(ellipse 55% 70% at 85% 10%, #e0a05433, transparent 55%),
    radial-gradient(ellipse 45% 55% at 5% 25%, #c45c322a, transparent 50%),
    radial-gradient(ellipse 30% 40% at 70% 80%, #6d8f7122, transparent 50%),
    var(--bg);
}
.page-hero + .section,
.page-hero + .section--tight,
.page-hero + .section--warm {
  padding-top: clamp(1.5rem, 1rem + 2vw, 2.5rem);
}
.page-hero-title {
  font-size: var(--step-5);
  margin-top: 0.85rem;
  max-width: 18ch;
}
.page-hero .lead {
  margin-top: 1.15rem;
  max-width: 42rem;
}

/* Project case */
.case-step {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
}
.case-step:last-child {
  border-bottom: 1px solid var(--border);
}
.case-step .step-k {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--terracotta);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: var(--step--1);
}
@media (width <= 640px) {
  .case-step {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

/* Diagnostic */
.diag-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 1rem + 3vw, 3rem);
  align-items: start;
}
.page-hero + .section--tight {
  padding-top: clamp(1.5rem, 1rem + 2vw, 2.5rem);
}
@media (width <= 900px) {
  .diag-shell {
    grid-template-columns: 1fr;
  }
}
.diag-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: clamp(1.25rem, 1rem + 1.5vw, 2rem);
  box-shadow: var(--shadow-sm);
}
.diag-progress {
  height: 8px;
  background: var(--bg-sand);
  border-radius: var(--r-pill);
  overflow: hidden;
  margin-bottom: 1.25rem;
}
.diag-progress > span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--terracotta), var(--amber));
  transition: width 0.35s var(--ease);
}
.diag-q {
  font-family: var(--font-display);
  font-size: var(--step-2);
  margin-bottom: 0.5rem;
}
.diag-help {
  color: var(--ink-soft);
  font-size: var(--step--1);
  margin-bottom: 1.1rem;
}
.choices {
  display: grid;
  gap: 0.55rem;
}
.choice {
  text-align: left;
  padding: 0.95rem 1.05rem;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-weight: 550;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.choice:hover {
  border-color: var(--terracotta);
  background: var(--terracotta-soft);
}
.choice.is-selected {
  border-color: var(--terracotta);
  background: var(--terracotta-soft);
  box-shadow: inset 0 0 0 1px var(--terracotta);
}
.diag-nav {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}
.diag-result-zone {
  margin-top: 0.75rem;
  padding: 1rem 1.1rem;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--terracotta-soft), var(--amber-soft));
  border: 1px solid var(--border);
}
.diag-result-zone h3 {
  color: var(--terracotta-hover);
  font-size: var(--step-1);
}
.score-bars {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
}
.score-row {
  display: grid;
  grid-template-columns: 7.5rem 1fr 2.5rem;
  gap: 0.5rem;
  align-items: center;
  font-size: var(--step--1);
}
.score-track {
  height: 8px;
  background: var(--bg-sand);
  border-radius: var(--r-pill);
  overflow: hidden;
}
.score-track > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--sage), var(--amber), var(--terracotta));
  border-radius: inherit;
}
.reassurance {
  display: grid;
  gap: 0.75rem;
}
.reass-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}

/* Forms */
.form-grid {
  display: grid;
  gap: 0.9rem;
}
.field label {
  display: block;
  font-weight: 650;
  font-size: var(--step--1);
  margin-bottom: 0.35rem;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid var(--terracotta);
  outline-offset: 1px;
  border-color: var(--terracotta);
}

/* CTA band */
.cta-band {
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 60% at 90% 20%, #e8b07a33, transparent 55%),
    radial-gradient(ellipse 35% 50% at 10% 80%, #c45c3226, transparent 50%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(1.5rem, 1rem + 3vw, 3.5rem);
  align-items: end;
}
@media (width <= 800px) {
  .cta-inner {
    grid-template-columns: 1fr;
  }
}
.cta-title {
  font-size: var(--step-4);
  max-width: 16ch;
  margin-top: 0.75rem;
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: var(--dark-ink);
  padding-block: clamp(3rem, 2rem + 4vw, 5rem) 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
}
@media (width <= 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (width <= 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}
.footer-col-title {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 0.85rem;
  color: var(--dark-ink);
}
.footer a {
  color: var(--dark-ink-soft);
}
.footer a:hover {
  color: var(--dark-accent);
}
.footer a.btn,
.site-footer a.btn {
  color: var(--btn-fg);
}
.footer a.btn:hover {
  color: var(--btn-fg);
}
.footer-list {
  display: grid;
  gap: 0.45rem;
  font-size: var(--step--1);
}
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--dark-border);
  color: var(--dark-ink-faint);
  font-size: var(--step--2);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
}

/* Pedagogy extras */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (width <= 700px) {
  .compare-grid {
    grid-template-columns: 1fr;
  }
}
.compare-side {
  padding: 1.15rem 1.25rem;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
}
.compare-side.pro {
  background: var(--sage-soft);
}
.compare-side.client {
  background: var(--terracotta-soft);
}
.not-equal {
  display: grid;
  gap: 0.75rem;
}
.not-equal-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-family: var(--font-display);
  font-weight: 650;
}
.not-equal-row .ne {
  color: var(--terracotta);
  font-size: 1.4rem;
}
.situation-list {
  display: grid;
  gap: 1rem;
}
.situation {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  padding: 1.25rem 1.35rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 5px solid var(--terracotta);
  border-radius: var(--r-md);
}
.situation:nth-child(2) {
  border-left-color: var(--amber);
}
.situation:nth-child(3) {
  border-left-color: var(--sage);
}
.situation:nth-child(4) {
  border-left-color: var(--ocean);
}
.situation:nth-child(5) {
  border-left-color: #7a4533;
}
.situation:nth-child(6) {
  border-left-color: var(--plum);
}
.tech-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  opacity: 0.85;
}
.tech-strip span {
  font-size: var(--step--2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35em 0.7em;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--ink-faint);
}
.section--dark .tech-strip span {
  border-color: var(--dark-border);
  color: var(--dark-ink-faint);
}
.split-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 1rem + 3vw, 3rem);
  align-items: start;
}
@media (width <= 800px) {
  .split-media {
    grid-template-columns: 1fr;
  }
}
.list-check {
  display: grid;
  gap: 0.55rem;
}
.list-check li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}
.list-check li::before {
  content: "✓";
  color: var(--sage);
  font-weight: 700;
  flex-shrink: 0;
}
.list-x li::before {
  content: "·";
  color: var(--terracotta);
  font-weight: 800;
}
.flowsimple {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 650;
}
.flowsimple .sep {
  color: var(--terracotta);
}
.sr-only {
  position: absolute;
}

/* ===== Diagnostic UX ===== */
.page-diagnostic .page-hero--diag {
  padding-bottom: clamp(1rem, 0.5rem + 1.5vw, 1.75rem);
}
.diag-promise {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.35rem;
  max-width: 36rem;
}
.diag-promise li {
  padding-left: 1.25rem;
  position: relative;
  color: var(--ink-soft);
}
.diag-promise li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--terracotta);
  font-weight: 700;
}
.diag-main {
  padding-top: clamp(1.25rem, 0.75rem + 1.5vw, 2rem);
  padding-bottom: clamp(2.5rem, 1.5rem + 3vw, 4rem);
}
.diag-shell {
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  align-items: start;
}
.diag-panel {
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
  min-height: 28rem;
}
.diag-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 1rem;
  align-items: center;
  margin-bottom: 1.15rem;
}
.diag-step-label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
  font-size: var(--step--1);
}
.diag-step-label strong {
  font-family: var(--font-display);
  font-size: var(--step-0);
}
.diag-chapter {
  color: var(--terracotta);
  font-weight: 650;
}
.diag-progress {
  grid-column: 1 / -1;
  height: 6px;
  background: var(--bg-sand);
  border-radius: var(--r-pill);
  overflow: hidden;
}
.diag-progress > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--terracotta), var(--amber));
  transition: width 0.25s var(--ease);
}
.diag-pct {
  grid-column: 2;
  grid-row: 1;
  font-size: var(--step--2);
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}
.diag-q {
  outline: none;
}
.diag-fade {
  animation: diag-in 0.18s var(--ease);
}
@keyframes diag-in {
  from {
    opacity: 0.35;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .diag-fade {
    animation: none;
  }
}
.choices {
  gap: 0.65rem;
}
.choice {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  min-height: 48px;
  padding: 0.95rem 1.1rem;
  border-radius: var(--r-md);
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-weight: 550;
  text-align: left;
  transition:
    border-color 0.15s var(--ease),
    background 0.15s var(--ease),
    box-shadow 0.15s var(--ease),
    transform 0.12s var(--ease);
}
.choice:hover {
  border-color: var(--terracotta);
  background: var(--surface-2);
}
.choice:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 2px;
}
.choice.is-selected {
  border-color: var(--terracotta);
  background: var(--terracotta-soft);
  box-shadow: inset 0 0 0 1px var(--terracotta);
}
.choice-check {
  flex-shrink: 0;
  width: 1.35rem;
  height: 1.35rem;
  margin-top: 0.15rem;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  color: #fff;
  background: transparent;
  transition: background 0.15s, border-color 0.15s;
}
.choice.is-selected .choice-check {
  background: var(--terracotta);
  border-color: var(--terracotta);
}
.choice-label {
  flex: 1;
  line-height: 1.4;
}
.diag-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.35rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border);
}
.diag-nav-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-left: auto;
}
.diag-nav-meta {
  font-size: var(--step--2);
  color: var(--ink-faint);
}
.diag-nav .btn:disabled,
.diag-nav .btn[aria-disabled="true"] {
  opacity: 0.45;
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}
.diag-nav .btn:disabled:hover {
  transform: none;
}
.diag-result-badge {
  margin-bottom: 0.65rem;
}
.diag-result-zone {
  margin-top: 1rem;
}
.diag-actions-block {
  margin-top: 1.25rem;
}
.diag-actions-block h3 {
  font-size: var(--step-1);
  margin-bottom: 0.65rem;
}
.diag-actions-list {
  list-style: decimal;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.55rem;
  color: var(--ink-soft);
}
.diag-actions-list li {
  padding-left: 0.25rem;
}
.diag-aside-note {
  margin: 0.85rem 0 1rem;
}
.reassurance {
  position: sticky;
  top: calc(var(--header-h) + 12px);
}
.diag-chain-section {
  padding-block: clamp(2.5rem, 1.5rem + 4vw, 4.5rem);
}
.chain-groups {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.75rem;
}
.chain-group {
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.chain-group-label {
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--terracotta);
  font-weight: 700;
}
.chain-group-flow {
  margin-top: 0.35rem;
  font-family: var(--font-display);
  font-weight: 650;
  line-height: 1.35;
}
.chain--diag {
  margin-top: 1.5rem;
  justify-content: flex-start;
}
@media (width <= 1100px) {
  .chain-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (width <= 900px) {
  .diag-shell {
    grid-template-columns: 1fr;
  }
  .reassurance {
    position: static;
    order: 2;
  }
  .diag-panel {
    order: 1;
    min-height: 0;
  }
}
@media (width <= 640px) {
  .diag-nav {
    flex-direction: column;
    align-items: stretch;
  }
  .diag-nav-right {
    margin-left: 0;
    width: 100%;
  }
  .diag-nav-right .btn {
    flex: 1;
  }
  .diag-nav-meta {
    display: none;
  }
  .choice {
    min-height: 52px;
    padding: 1rem 1.05rem;
  }
  .chain-groups {
    grid-template-columns: 1fr;
  }
}

/* Nav desktop lisible et aérée */
@media (width > 980px) {
  .header-inner {
    gap: 1.5rem;
  }
  .nav-desktop {
    flex: 1;
    justify-content: center;
  }
  .nav-link {
    font-size: 0.9375rem;
    padding: 0.55rem 0.95rem;
  }
  .nav-list {
    gap: 0.4rem;
  }
  .header-cta {
    font-size: var(--step-0);
    padding: 0.75em 1.35em;
    flex-shrink: 0;
  }
  .wordmark {
    font-size: 1.25rem;
    flex-shrink: 0;
  }
}

/* Perf / CLS */
.photo-frame {
  /* réserve la place avant chargement image */
  aspect-ratio: auto;
}
.photo-frame img {
  width: 100%;
  height: auto;
}
img {
  max-width: 100%;
  height: auto;
}
/* Éviter le saut de polices Google */
body {
  font-synthesis: none;
  text-size-adjust: 100%;
}
/* Contenu sous la ligne de flottaison */
.diag-chain-section {
  content-visibility: auto;
  contain-intrinsic-size: auto 500px;
}

#diag-root {
  min-height: 32rem;
}
@media (width <= 900px) {
  #diag-root { min-height: 28rem; }
}
#diag-root {
  min-height: 32rem;
}
@media (width <= 900px) {
  #diag-root {
    min-height: 28rem;
  }
}
.diag-skeleton {
  display: grid;
  gap: 0.85rem;
  padding-top: 0.5rem;
}
.diag-skeleton-line {
  height: 3.25rem;
  border-radius: var(--r-md);
  background: linear-gradient(90deg, var(--bg-sand), var(--surface-2), var(--bg-sand));
  background-size: 200% 100%;
}
.diag-skeleton-line.short {
  width: 55%;
  height: 2.75rem;
}
@media (prefers-reduced-motion: reduce) {
  .diag-skeleton-line {
    background: var(--bg-sand);
  }
}

/* Formulaire diagnostic / CRM */
.diag-exchange {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.diag-exchange h3 {
  font-size: var(--step-1);
  margin-bottom: 0.35rem;
}
.diag-exchange .form-grid {
  margin-top: 0.9rem;
}
.diag-exchange .field input,
.diag-exchange .field textarea {
  min-height: 48px;
}
.diag-exchange [data-form-feedback] {
  margin-top: 0.75rem;
  min-height: 1.4em;
}
.diag-exchange [data-form-feedback][data-state="ok"] {
  color: var(--success);
  font-weight: 600;
}
.diag-exchange [data-form-feedback][data-state="error"] {
  color: var(--danger);
  font-weight: 600;
}
.diag-exchange [data-form-feedback][data-state="pending"] {
  color: var(--ink-soft);
}