/* =============================================================
   LANDING — layout & sections
   Importe ../shared/tokens.css puis ../shared/calculator.css
   ============================================================= */

/* =============================================================
   LOADER — ouverture éditoriale, dismissed par JS
   ============================================================= */
.loader {
  position: fixed;
  inset: 0;
  background-color: var(--color-cream);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.9s cubic-bezier(0.6, 0.05, 0.2, 1),
              visibility 0.9s ease;
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-mark {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-style: italic;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 14px;
  opacity: 0;
  transform: translateY(6px);
  animation: loader-in 0.9s cubic-bezier(0.2, 0.6, 0.2, 1) 0.15s forwards;
  font-variation-settings: "opsz" 72;
}

.loader-ornament {
  display: inline-block;
  width: 0;
  height: 1px;
  background-color: var(--color-klein);
  animation: loader-line 0.9s cubic-bezier(0.2, 0.6, 0.2, 1) 0.45s forwards;
}

@keyframes loader-in {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes loader-line {
  to { width: 48px; }
}

@media (prefers-reduced-motion: reduce) {
  .loader-mark { opacity: 1; transform: none; animation: none; }
  .loader-ornament { width: 48px; animation: none; }
}

/* =============================================================
   PRIMITIVES LOCAUX
   ============================================================= */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--gutter-desktop);
  padding-right: var(--gutter-desktop);
}

/* éviter le double padding quand .section + .container */
.section .container { padding-left: 0; padding-right: 0; }

/* Sections compactes — espacement réduit entre frames */
.section {
  padding: var(--space-8) var(--gutter-desktop);
}

.section--tight {
  padding: var(--space-6) var(--gutter-desktop);
}

/* =============================================================
   FRAMES — chaque section principale est une "page" encadrée
   On combine .container.frame (specificity 0,2,0) pour battre
   la règle .section .container { padding: 0 } qui s'oppose.
   ============================================================= */
.container.frame,
.final__inner.frame {
  border: 1px solid rgba(20, 19, 15, 0.14);
  border-radius: var(--radius-md);
  padding: var(--space-12) var(--space-10);
  background-color: var(--color-cream);
  position: relative;
  box-shadow: 0 1px 0 rgba(20, 19, 15, 0.04),
              0 12px 36px -28px rgba(20, 19, 15, 0.12);
}

.container.frame--alt,
.final__inner.frame--alt {
  background-color: rgba(236, 226, 210, 0.75);
}

@media (max-width: 880px) {
  .container.frame,
  .final__inner.frame { padding: var(--space-10) var(--space-6); }
}

@media (max-width: 480px) {
  .container.frame,
  .final__inner.frame { padding: var(--space-8) var(--space-5); }
}

/* =============================================================
   COLUMN RULES — hairlines verticales magazine
   Fixées au viewport, à l'extérieur du container max-width.
   ============================================================= */
@media (min-width: 1340px) {
  body::before,
  body::after {
    content: "";
    position: fixed;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: rgba(20, 19, 15, 0.07);
    pointer-events: none;
    z-index: 1;
  }
  body::before {
    left: calc(50vw - (var(--container-max) / 2) - 40px);
  }
  body::after {
    right: calc(50vw - (var(--container-max) / 2) - 40px);
  }
}

/* Titres */
.h1, h1 {
  font-family: var(--font-display);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 500;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: var(--color-ink);
  font-variation-settings: "opsz" 72;
}

.section-title em { font-style: italic; font-feature-settings: "ss01" 1; }

.lead {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-ink);
  max-width: var(--container-text);
}

/* Section number */
.section-number {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-6);
}

.section-number__line {
  display: block;
  flex: 1;
  height: 1px;
  background-color: currentColor;
  opacity: 0.3;
  transform-origin: left center;
  /* État initial pour GSAP (évite le FOUC, scaleX 1 si JS off) */
  transform: scaleX(1);
}

.js-anim .section-number__line { transform: scaleX(0); }

/* =============================================================
   HEADER
   ============================================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: transparent;
  -webkit-backdrop-filter: none;
          backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--duration-base) var(--ease-out),
    backdrop-filter var(--duration-base) var(--ease-out),
    border-bottom-color var(--duration-base) var(--ease-out);
}

.header.is-scrolled {
  background-color: rgba(244, 237, 226, 0.92);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
          backdrop-filter: saturate(180%) blur(10px);
  border-bottom-color: rgba(20, 19, 15, 0.14);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-3) var(--gutter-desktop);
  max-width: var(--container-max);
  margin: 0 auto;
  transition: padding var(--duration-base) var(--ease-out);
}

.header.is-scrolled .header__inner {
  padding-top: calc(var(--space-2) + 2px);
  padding-bottom: calc(var(--space-2) + 2px);
}

.header__brand,
.header__nav a,
.header__cta {
  transition: font-size var(--duration-base) var(--ease-out),
              padding var(--duration-base) var(--ease-out);
}

.header.is-scrolled .header__brand { font-size: var(--text-sm); }
.header.is-scrolled .header__nav a { font-size: var(--text-xs); }
.header.is-scrolled .header__cta {
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
  font-size: 11px;
}

.header__brand {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-variation-settings: "opsz" 48;
}

.header__brand::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background-color: var(--color-klein);
  flex-shrink: 0;
  transition: width var(--duration-base) var(--ease-out);
}

.header.is-scrolled .header__brand::before { width: 20px; }

.header__nav {
  display: flex;
  gap: var(--space-6);
  margin-left: auto;
}

.header__nav a {
  font-size: var(--text-sm);
  color: var(--color-ink);
  transition: color var(--duration-fast) var(--ease-out);
}

.header__nav a:hover { color: var(--color-klein-deep); }

.header__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background-color: var(--color-klein);
  color: var(--color-cream);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: background-color var(--duration-base) var(--ease-out);
}

.header__cta:hover { background-color: var(--color-klein-deep); }

@media (max-width: 880px) {
  .header__nav { display: none; }
}

/* =============================================================
   HERO — 100vh, deux colonnes
   ============================================================= */
/* Hero full-bleed pour accueillir le mesh gradient animé.
   Hero en colonne unique (la démo vidéo est désormais une section dédiée). */
.hero {
  position: relative;
  min-height: auto;
  margin-top: -56px;          /* tire le hero sous le header */
  padding-top: 56px;          /* compense pour que le contenu reste lisible */
  padding-bottom: var(--space-12);
  overflow: hidden;
  background-color: var(--color-cream);
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-16) var(--gutter-desktop) var(--space-12);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  min-height: 70vh;
  align-items: center;
  text-align: center;
}

.hero__copy {
  max-width: 900px;
  margin: 0 auto;
  align-items: center;        /* centre les enfants flex */
}

.hero__title { max-width: 18ch; margin: 0 auto; }
.hero__lead { max-width: 50ch; margin: 0 auto; }

.hero__badge { align-self: center; }
.hero__actions { justify-content: center; }
.hero__note { justify-content: center; }

/* ============ MESH GRADIENT — atmospheric, multi-layer ============ */
.hero__mesh {
  position: absolute;
  inset: -15%;
  z-index: 0;
  background-image:
    radial-gradient(ellipse 55% 75% at 18% 32%, rgba(232, 93, 26, 0.34) 0%, transparent 55%),
    radial-gradient(ellipse 65% 80% at 82% 62%, rgba(196, 74, 14, 0.24) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 50% 96%, rgba(20, 19, 15, 0.14) 0%, transparent 58%),
    radial-gradient(ellipse 45% 60% at 95% 10%, rgba(236, 226, 210, 0.7) 0%, transparent 52%),
    radial-gradient(ellipse 55% 70% at 5% 72%, rgba(244, 237, 226, 0.5) 0%, transparent 52%);
  filter: blur(34px);
  animation: hero-mesh-drift 38s ease-in-out infinite;
  will-change: transform;
}

.hero__mesh::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 32% 42% at 72% 22%, rgba(232, 93, 26, 0.20) 0%, transparent 55%),
    radial-gradient(ellipse 38% 32% at 28% 78%, rgba(196, 74, 14, 0.16) 0%, transparent 55%),
    radial-gradient(ellipse 28% 38% at 50% 50%, rgba(236, 226, 210, 0.35) 0%, transparent 55%);
  filter: blur(26px);
  animation: hero-mesh-drift-2 46s ease-in-out infinite reverse;
}

@keyframes hero-mesh-drift {
  0%, 100% { transform: translate(0%, 0%) rotate(0deg) scale(1); }
  25%      { transform: translate(4%, -3%) rotate(1.5deg) scale(1.04); }
  50%      { transform: translate(-3%, 4%) rotate(-1deg) scale(1.02); }
  75%      { transform: translate(2%, 2%) rotate(0.8deg) scale(1.05); }
}

@keyframes hero-mesh-drift-2 {
  0%, 100% { transform: translate(0%, 0%); }
  50%      { transform: translate(-4%, 3%); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__mesh,
  .hero__mesh::after { animation: none; }
}

.hero__copy { display: flex; flex-direction: column; gap: var(--space-5); }

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
}

/* Glass badge — version pill du eyebrow, posée sur le mesh */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 7px var(--space-3) 7px var(--space-2);
  background-color: rgba(244, 237, 226, 0.5);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
          backdrop-filter: blur(12px) saturate(140%);
  border: 1px solid rgba(20, 19, 15, 0.12);
  border-radius: 999px;
  color: var(--color-ink);
  align-self: flex-start;
  position: relative;
  box-shadow: 0 1px 0 rgba(244, 237, 226, 0.6) inset,
              0 8px 24px -16px rgba(20, 19, 15, 0.18);
}

.hero__badge-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-klein);
  flex-shrink: 0;
  animation: hero-badge-pulse 2.2s ease-in-out infinite;
}

@keyframes hero-badge-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(1.35); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__badge-dot { animation: none; }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.4vw, 3.75rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 500;
  color: var(--color-ink);
  font-variation-settings: "opsz" 96;
  max-width: 14ch;
}

.hero__title em {
  font-style: italic;
  font-feature-settings: "ss01" 1;
}

.hero__lead {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-ink);
  max-width: 38ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  align-items: center;
  margin-top: var(--space-2);
}

.hero__note {
  font-size: var(--text-sm);
  color: var(--color-stone);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__note-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background-color: var(--color-klein-deep);
}

/* --- Widget abstrait à droite ----------------------------- */
.hero__widget {
  background-color: var(--color-cream-deep);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(20, 19, 15, 0.06);
  box-shadow: 0 30px 80px -36px rgba(20, 19, 15, 0.28);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-self: center;
  width: 100%;
  max-width: 460px;
  margin-left: auto;
}

/* Vidéo démo (desktop) — visible par défaut, cachée sur mobile */
.hero__video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--color-cream-deep);
}

/* Bulles agent IA — cachées par défaut, restaurées sur mobile */
.hero__widget-bubbles { display: none; }

@media (max-width: 880px) {
  .hero__video { display: none; }
  .hero__widget-bubbles { display: block; }
}

.hero__widget-chrome {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid rgba(20, 19, 15, 0.08);
  background-color: rgba(20, 19, 15, 0.03);
}

.hero__widget-dots { display: flex; gap: 5px; }
.hero__widget-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background-color: rgba(20, 19, 15, 0.18);
}

.hero__widget-label {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
}

.hero__widget-status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
}

.hero__widget-status i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background-color: #4caf50;
  display: inline-block;
  animation: hero-pulse 1.8s ease-in-out infinite;
}

@keyframes hero-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.15); }
}

.hero__widget-body {
  padding: var(--space-5) var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.hero__bubble {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 78%;
  padding: var(--space-3) var(--space-4);
  border-radius: 14px;
  opacity: 0;
  transform: translateY(8px);
}

.hero__bubble--in {
  align-self: flex-start;
  background-color: var(--color-cream);
  border: 1px solid rgba(20, 19, 15, 0.06);
  border-top-left-radius: 4px;
}

.hero__bubble--out {
  align-self: flex-end;
  background-color: var(--color-klein);
  border-top-right-radius: 4px;
}

.hero__bubble-text {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--color-ink);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.hero__bubble--out .hero__bubble-text { color: var(--color-cream); }

.hero__bubble-text + .hero__bubble-text { margin-top: 6px; }

.hero__bubble-link {
  color: inherit;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.hero__bubble-link:hover { opacity: 0.75; }

.hero__bubble-check {
  display: inline-block;
  margin: 0 2px;
  font-weight: 500;
}

.hero__bubble-meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: 4px;
  flex-shrink: 0;
}

.hero__bubble-meta--out {
  color: rgba(244, 237, 226, 0.75);
}


.hero__widget-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid rgba(20, 19, 15, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(20, 19, 15, 0.02);
}

.hero__widget-meta {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
}

@media (max-width: 960px) {
  .hero { min-height: auto; }
  .hero__inner {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: calc(56px + var(--space-12));
    padding-bottom: var(--space-12);
    gap: var(--space-8);
  }
  .hero__widget { margin: 0 auto; max-width: 420px; }
}

/* =============================================================
   CTA (primaire + ghost)
   ============================================================= */
.cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-7);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: background-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
  white-space: nowrap;
}

.cta--primary {
  background-color: var(--color-klein);
  color: var(--color-cream);
}

.cta--primary:hover { background-color: var(--color-klein-deep); }
.cta--primary:active { transform: translateY(1px); }

/* CTA XL — utilisé pour le dernier point de conversion (section finale) */
.cta--xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-base);
  gap: var(--space-3);
  letter-spacing: 0.04em;
  box-shadow: 0 14px 36px -16px rgba(232, 93, 26, 0.45);
  transition:
    background-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.cta--xl:hover {
  background-color: var(--color-klein-deep);
  box-shadow: 0 18px 44px -16px rgba(196, 74, 14, 0.55);
  transform: translateY(-2px);
}

.cta--xl:active { transform: translateY(0); }

.cta--xl .cta__arrow {
  display: inline-block;
  transition: transform var(--duration-base) var(--ease-out);
}

.cta--xl:hover .cta__arrow { transform: translateX(4px); }

.cta--ghost {
  background: transparent;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-ink);
  border-radius: 0;
  padding: var(--space-2) 0;
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--text-base);
}

.cta--ghost:hover { color: var(--color-klein-deep); border-color: var(--color-klein-deep); }

.cta--invert {
  background-color: var(--color-cream);
  color: var(--color-ink);
}

.cta--invert:hover { background-color: var(--color-klein-deep); color: var(--color-cream); }

.cta--ghost-invert {
  background: transparent;
  color: var(--color-cream);
  border-bottom: 1px solid var(--color-cream);
  border-radius: 0;
  padding: var(--space-2) 0;
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--text-base);
}

.cta--ghost-invert:hover { color: var(--color-klein-deep); border-color: var(--color-klein-deep); }

/* =============================================================
   SECTION DÉMO VIDÉO — pleine largeur, juste après le hero
   ============================================================= */
.video-demo {
  padding: var(--space-12) var(--gutter-desktop) var(--space-16);
  background-color: var(--color-cream);
  border-top: 1px solid rgba(20, 19, 15, 0.08);
}

.video-demo__container {
  max-width: 1400px;
  margin: 0 auto;
}

.video-demo__header {
  text-align: center;
  margin-bottom: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

.video-demo__chapter {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.video-demo__chapter::before,
.video-demo__chapter::after {
  content: "";
  width: 32px;
  height: 1px;
  background-color: var(--color-stone);
  opacity: 0.4;
}

.video-demo__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: var(--color-ink);
  max-width: 24ch;
  font-variation-settings: "opsz" 96;
}

.video-demo__title em { font-style: italic; }

.video-demo__player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 40px 100px -30px rgba(20, 19, 15, 0.25),
    0 12px 32px -12px rgba(20, 19, 15, 0.08);
  border: 1px solid rgba(20, 19, 15, 0.06);
  background-color: var(--color-cream-deep);
}

.video-demo__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Scrubber custom — barre fine cliquable pour naviguer dans la vidéo */
.video-demo__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: rgba(244, 237, 226, 0.15);
  cursor: pointer;
  z-index: 2;
  transition: height var(--duration-base) var(--ease-out);
  outline: none;
}

.video-demo__player:hover .video-demo__progress,
.video-demo__progress:focus-visible {
  height: 8px;
}

.video-demo__progress-fill {
  height: 100%;
  width: 0%;
  background-color: var(--color-klein);
  pointer-events: none;
}

.video-demo__progress:focus-visible {
  box-shadow: 0 0 0 2px var(--color-klein) inset;
}

.video-demo__caption {
  text-align: center;
  margin: var(--space-6) auto 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-base);
  color: var(--color-stone);
  max-width: 60ch;
  line-height: 1.5;
}

/* CTA ghost vers la démo Solène — sobre, éditorial */
.video-demo__cta-wrap {
  text-align: center;
  margin-top: var(--space-4);
}

.video-demo__cta {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-klein-deep);
  border-bottom: 1px solid var(--color-klein-deep);
  padding-bottom: 2px;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.video-demo__cta:hover,
.video-demo__cta:focus-visible {
  color: var(--color-klein);
  border-color: var(--color-klein);
}

@media (max-width: 880px) {
  .video-demo__cta { font-size: var(--text-sm); }
}

@media (max-width: 880px) {
  .video-demo { padding: var(--space-10) var(--gutter-desktop); }
  .video-demo__player { border-radius: var(--radius-md); }
}

/* =============================================================
   MARQUEE — défilement éditorial des mots-clés
   ============================================================= */
.marquee {
  overflow: hidden;
  border-top: 1px solid rgba(20, 19, 15, 0.08);
  border-bottom: 1px solid rgba(20, 19, 15, 0.08);
  padding: var(--space-4) 0;
  background-color: var(--color-cream);
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 6%,
    #000 94%,
    transparent 100%
  );
          mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 6%,
    #000 94%,
    transparent 100%
  );
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 42s linear infinite;
}

.marquee__group {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-shrink: 0;
  padding-right: var(--space-6);
}

.marquee__group span {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.5vw, 1.5rem);
  font-style: italic;
  color: var(--color-ink);
  white-space: nowrap;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.marquee__sep {
  font-style: normal !important;
  color: var(--color-klein) !important;
  opacity: 0.6;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}

/* =============================================================
   01 — PROBLÈME
   ============================================================= */
.problem {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-12);
  align-items: start;
}

.problem__main { display: flex; flex-direction: column; gap: var(--space-5); }

.problem__list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(20, 19, 15, 0.15);
}

.problem__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-bottom: 1px solid rgba(20, 19, 15, 0.15);
  align-items: baseline;
}

.problem__item-num {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  color: var(--color-stone);
  padding-top: 4px;
}

.problem__item h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: var(--space-2);
  color: var(--color-ink);
}

.problem__item p {
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-ink);
}

@media (max-width: 880px) {
  .problem { grid-template-columns: 1fr; gap: var(--space-8); }
}

/* =============================================================
   02 — SOLUTION
   ============================================================= */
.solution__header {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-12);
  align-items: end;
  margin-bottom: var(--space-10);
}

.solution__lead { max-width: 38ch; }

.solution__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(20, 19, 15, 0.2);
  border-bottom: 1px solid rgba(20, 19, 15, 0.2);
}

.solution__step {
  padding: var(--space-8) var(--space-6);
  border-left: 1px solid rgba(20, 19, 15, 0.12);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.solution__step:first-child { border-left: none; padding-left: 0; }
.solution__step:last-child  { padding-right: 0; }

/* Filet ornement injecté par JS (entre le num et le h3) */
.solution__step-ornament {
  display: block;
  width: 36px;
  height: 1px;
  background-color: var(--color-klein);
  transform-origin: left center;
}

.solution__step-num {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.solution__step-num strong {
  font-weight: 500;
  color: var(--color-klein-deep);
}

.solution__step h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.solution__step p {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
}

@media (max-width: 880px) {
  .solution__header { grid-template-columns: 1fr; gap: var(--space-6); margin-bottom: var(--space-8); }
  .solution__steps { grid-template-columns: 1fr; }
  .solution__step { border-left: none; border-top: 1px solid rgba(20, 19, 15, 0.12); padding: var(--space-6) 0; }
  .solution__step:first-child { border-top: none; }
}

/* =============================================================
   03 — OFFRE + 04 — GARANTIE (côte à côte)
   ============================================================= */
.offer-block {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.offer-block__left { display: flex; flex-direction: column; gap: var(--space-8); }

.offer-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.offer-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background-color: var(--color-cream);
  border: 1px solid rgba(20, 19, 15, 0.12);
  border-radius: var(--radius-md);
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
  position: relative;
}

.offer-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-klein-deep);
  box-shadow: 0 16px 40px -22px rgba(20, 19, 15, 0.18);
}

.offer-card--founder {
  border-color: rgba(232, 93, 26, 0.45);
  overflow: hidden;
}

/* Floating accent shape — disque orange flouté en haut-droite */
.offer-card--founder::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -90px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background-color: rgba(232, 93, 26, 0.16);
  filter: blur(36px);
  pointer-events: none;
  z-index: 0;
  transition: background-color var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.offer-card--founder:hover::before {
  background-color: rgba(232, 93, 26, 0.32);
  transform: scale(1.12);
}

/* Assure que le contenu reste au-dessus de l'accent */
.offer-card--founder > * { position: relative; z-index: 1; }

.offer-card__cartouche {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-klein);
  color: var(--color-cream);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  align-self: flex-start;
}

.offer-card__cartouche-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background-color: rgba(244, 237, 226, 0.65);
}

.offer-card__label {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-2);
}

.offer-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-5);
  color: var(--color-ink);
}

.offer-card__price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-3) 0;
  border-bottom: 1px dashed rgba(20, 19, 15, 0.12);
  gap: var(--space-3);
}

.offer-card__price-row:last-of-type { border-bottom: none; }

.offer-card__price-label {
  font-size: var(--text-sm);
  color: var(--color-stone);
}

.offer-card__price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  line-height: 1;
  color: var(--color-ink);
  font-variation-settings: "opsz" 48;
}

.offer-card__price em {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-stone);
  font-style: normal;
  font-weight: 400;
  margin-left: var(--space-1);
}

.offer-card__inclus {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(20, 19, 15, 0.1);
}

.offer-card__inclus-label {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-3);
}

.offer-card__inclus ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.offer-card__inclus li {
  font-size: var(--text-sm);
  line-height: 1.5;
  padding-left: var(--space-4);
  position: relative;
  color: var(--color-ink);
}

.offer-card__inclus li::before {
  content: "─";
  position: absolute;
  left: 0;
  color: var(--color-stone);
}

.offer-card__why {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-stone);
  font-style: italic;
}

.offer-card__cta-wrap {
  margin-top: auto;
  padding-top: var(--space-6);
}

/* --- Garantie en encart Klein ----------------------------- */
.guarantee {
  background-color: var(--color-klein);
  color: var(--color-cream);
  padding: var(--space-8);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: sticky;
  top: 90px;
}

.guarantee__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-cream);
  opacity: 0.7;
}

.guarantee__figure {
  font-family: var(--font-display);
  font-size: clamp(5rem, 9vw, 7.5rem);
  line-height: 0.9;
  font-weight: 500;
  color: var(--color-cream);
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 144;
  display: inline-block;
  transform-origin: left center;
}

.guarantee__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-cream);
}

.guarantee__title em { font-style: italic; }

.guarantee__body {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-cream);
  opacity: 0.92;
}

.guarantee__cta { margin-top: var(--space-3); }

@media (max-width: 960px) {
  .offer-block { grid-template-columns: 1fr; }
  .guarantee { position: static; }
}

@media (max-width: 600px) {
  .offer-cards { grid-template-columns: 1fr; }
}

/* =============================================================
   05 — ROI (calculateur intégré)
   ============================================================= */
.roi__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: end;
  margin-bottom: var(--space-10);
}

.roi__lead { max-width: 42ch; }

.roi__calc-wrap { max-width: 1100px; margin: 0 auto; }

.roi__note {
  margin-top: var(--space-5);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-stone);
  max-width: var(--container-text);
  font-style: italic;
}

@media (max-width: 880px) {
  .roi__header { grid-template-columns: 1fr; gap: var(--space-6); margin-bottom: var(--space-8); }
}

/* =============================================================
   06 — FAQ + 07 — BLOC FONDATEUR (côte à côte)
   ============================================================= */
.faq-block {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

/* --- FAQ accordéon ---------------------------------------- */
.faq__list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(20, 19, 15, 0.18);
}

.faq__item {
  border-bottom: 1px solid rgba(20, 19, 15, 0.18);
}

.faq__trigger {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-ink);
  cursor: pointer;
  line-height: 1.3;
  gap: var(--space-4);
  transition: color var(--duration-fast) var(--ease-out);
}

.faq__trigger:hover { color: var(--color-klein-deep); }

.faq__sign {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-klein-deep);
  transition: transform var(--duration-base) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
  font-weight: 500;
  flex-shrink: 0;
  display: inline-block;
}

.faq__item.is-open .faq__sign {
  transform: rotate(45deg);
  color: var(--color-klein-deep);
}

.faq__content {
  height: 0;
  overflow: hidden;
}

.faq__content-inner {
  padding: 0 0 var(--space-5) 0;
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-ink);
  max-width: 60ch;
}

/* --- Bloc fondateur (encart noir d'encre) ----------------- */
.founder {
  background-color: var(--color-ink);
  color: var(--color-cream);
  padding: var(--space-8);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: sticky;
  top: 90px;
}

.founder__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-cream);
  opacity: 0.6;
}

.founder__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.4vw, 2.25rem);
  line-height: 1.1;
  font-weight: 500;
  color: var(--color-cream);
  letter-spacing: -0.01em;
  font-variation-settings: "opsz" 72;
}

.founder__title em { font-style: italic; }

.founder__body {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-cream);
  opacity: 0.9;
}

.founder__body + .founder__body { margin-top: var(--space-3); }

.founder__body .highlight {
  background-color: rgba(244, 237, 226, 0.18);
  padding: 0 0.15em;
  color: var(--color-cream);
  opacity: 1;
}

.founder__signature {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-base);
  color: var(--color-cream);
  opacity: 0.7;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(244, 237, 226, 0.15);
}

.founder__cta { margin-top: var(--space-3); }

@media (max-width: 960px) {
  .faq-block { grid-template-columns: 1fr; gap: var(--space-8); }
  .founder { position: static; }
}

/* =============================================================
   08 — CTA FINAL (bande horizontale)
   ============================================================= */
.final {
  border-top: 1px solid rgba(20, 19, 15, 0.15);
  padding: var(--space-12) var(--gutter-desktop);
}

.final__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.final__title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 3.6vw, 3rem);
  line-height: 1.05;
  font-weight: 500;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 96;
}

.final__title em { font-style: italic; }

.final__body {
  margin-top: var(--space-4);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-stone);
  max-width: 56ch;
}

.final__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  justify-self: end;
}

.final__note {
  font-size: var(--text-xs);
  color: var(--color-stone);
}

.final__alt {
  margin-top: var(--space-3);
  font-size: 13px;
  color: var(--color-stone);
  line-height: 1.5;
}

.final__alt a {
  color: var(--color-ink);
  border-bottom: 1px solid rgba(20, 19, 15, 0.2);
  padding-bottom: 1px;
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.final__alt a:hover {
  color: var(--color-klein-deep);
  border-color: var(--color-klein-deep);
}

@media (max-width: 880px) {
  .final__inner { grid-template-columns: 1fr; gap: var(--space-6); }
  .final__actions { justify-self: stretch; }
}

/* =============================================================
   FOOTER
   ============================================================= */
.footer {
  border-top: 1px solid rgba(20, 19, 15, 0.15);
  padding: var(--space-12) var(--gutter-desktop) var(--space-8);
}


.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-8);
}

.footer__col h4 {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-4);
  font-weight: 500;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 1.8vw, 1.625rem);
  line-height: 1.3;
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-variation-settings: "opsz" 48;
}

.footer__brand::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 1px;
  background-color: var(--color-klein);
  flex-shrink: 0;
}

.footer__brand-sub {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-stone);
}

.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }

.footer__col a {
  font-size: var(--text-sm);
  color: var(--color-ink);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__col a:hover { color: var(--color-klein-deep); }

.footer__bottom {
  max-width: var(--container-max);
  margin: var(--space-10) auto 0;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(20, 19, 15, 0.1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-stone);
  text-transform: uppercase;
}

@media (max-width: 880px) {
  .footer__inner { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
}

@media (max-width: 480px) {
  .footer__inner { grid-template-columns: 1fr; }
}

/* =============================================================
   ANIMATIONS — états initiaux (révélés par GSAP, classe js-anim ajoutée par JS)
   Le but : éviter le FOUC en cachant les éléments AVANT que GSAP prenne la main.
   Sans JS, .js-anim n'est jamais ajoutée → tout est visible par défaut.
   ============================================================= */

/* Split-by-word : la cellule clipe le contenu, l'inner se translate.
   Padding + marges négatives donnent de la place aux ascendeurs et
   descendeurs sans modifier le rendu de la ligne. */
.word {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  line-height: inherit;
  padding-top: 0.14em;
  padding-bottom: 0.14em;
  margin-top: -0.14em;
  margin-bottom: -0.14em;
}

.word-inner {
  display: inline-block;
  will-change: transform;
}

/* Note : les .word-inner et le .hero__title ne sont PAS cachés par CSS.
   Les états initiaux (yPercent: 110 sur les words, visibility hidden sur
   le titre) sont appliqués via gsap.set INLINE au boot. Si JS échoue,
   les éléments restent visibles (fail-open). Le loader couvre le FOUC. */

/* États initiaux pour les éléments animés au load (hero) */
.js-anim .hero__eyebrow,
.js-anim .hero__lead,
.js-anim .hero__actions > *,
.js-anim .hero__note { opacity: 0; }

/* État initial des ornaments des steps solution (révélés par GSAP) */
.js-anim .solution__step-ornament { transform: scaleX(0); }

/* État initial du widget hero (clip-path révélé par GSAP) */
.js-anim .hero__widget {
  clip-path: inset(0 100% 0 0);
  -webkit-clip-path: inset(0 100% 0 0);
}

/* Note : footer cols, founder block, et .js-reveal containers ont
   leurs états initiaux désormais appliqués via gsap.set en JS.
   Cela évite de garder ces éléments invisibles si JS échoue. */

.js-anim .hero__bubble { opacity: 0; }

/* Note : les états initiaux cachés des containers .js-reveal, du footer,
   et du fondateur sont désormais appliqués via gsap.set inline dans le JS,
   plutôt que par CSS. Si JS échoue, ces éléments restent visibles
   (degradation gracieuse). */

@media (prefers-reduced-motion: reduce) {
  .js-anim .word-inner,
  .js-anim .hero__eyebrow,
  .js-anim .hero__lead,
  .js-anim .hero__actions > *,
  .js-anim .hero__note,
  .js-anim .hero__bubble {
    opacity: 1 !important;
    transform: none !important;
  }
  .js-anim .hero__widget {
    clip-path: none !important;
    -webkit-clip-path: none !important;
  }
  .js-anim .hero__title { visibility: visible !important; }
  .js-anim .section-number__line,
  .js-anim .solution__step-ornament { transform: scaleX(1) !important; }
}