/* ==========================================================================
   Growth Impact — style.css
   Charte graphique 2026
   Couleurs : crème #F5F5F4 / encre #212121 / olive #898E48
   Typo     : Poppins (Medium / Extrabold / Regular) + Inter Extralight
   ========================================================================== */

:root {
  --cream: #f5f5f4;
  --cream-deep: #ececea;
  --ink: #212121;
  --ink-soft: #4a4a48;
  --olive: #898e48;
  --olive-dark: #6e723a; /* variante accessible (AA) pour boutons / texte sur clair */
  --olive-tint: #eef0e3;
  --line: #d9d9d5;
  --white: #ffffff;

  --font-display: "Poppins", sans-serif;
  --font-numeral: "Inter", sans-serif;

  --wrap: 1160px;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Type helpers ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--olive-dark);
  margin-bottom: 14px;
}
.accent-olive { color: var(--olive-dark); }
.accent-ink { color: var(--ink); }

h2 {
  font-weight: 800;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head p {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 17px;
}

section { padding: 96px 0; }
@media (max-width: 720px) {
  section { padding: 64px 0; }
  .wrap { padding: 0 22px; }
}

.divider {
  height: 1px;
  width: 100%;
  background: var(--line);
  border: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  border: 1.5px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color .25s var(--ease);
}
.btn-primary {
  background: var(--olive-dark);
  color: var(--white);
}
.btn-primary:hover { background: var(--ink); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover { border-color: var(--olive-dark); color: var(--olive-dark); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 245, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 42px; width: auto; }
.header-cta { display: flex; align-items: center; gap: 28px; }
.nav-links { display: flex; gap: 28px; font-size: 15px; font-weight: 500; }
.nav-links a { position: relative; padding: 4px 0; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1.5px;
  background: var(--olive-dark);
  transition: width 0.25s var(--ease);
}
.nav-links a:hover::after { width: 100%; }
.menu-toggle { display: none; }

@media (max-width: 780px) {
  .nav-links { display: none; }
  .menu-toggle {
    display: inline-flex;
    background: none;
    border: none;
    padding: 8px;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { padding-top: 88px; padding-bottom: 72px; }
.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-weight: 800;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.28;
  letter-spacing: -0.005em;
  max-width: 16ch;
}
.hero p.lead {
  margin-top: 24px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero .cta-row { margin-top: 32px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero-art { position: relative; }

.hero-chart {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-proof {
  display: flex;
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
.proof-item {
  flex: 1;
  text-align: center;
  padding: 16px 8px;
  border-left: 1px solid var(--line);
}
.proof-item:first-child { border-left: none; }
.proof-number {
  display: block;
  font-family: var(--font-numeral);
  font-weight: 200;
  font-size: 24px;
  line-height: 1;
  color: var(--olive);
}
.proof-label {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  line-height: 1.3;
  color: var(--ink-soft);
}

@media (max-width: 900px) {
  .hero h1 { max-width: none; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-copy { display: contents; }
  .hero h1 { order: 1; }
  .hero-art { order: 2; width: 100%; max-width: 380px; margin: 32px auto 0; }
  .hero p.lead { order: 3; margin-top: 28px; }
  .hero .cta-row { order: 4; }
}

/* ==========================================================================
   Trust band
   ========================================================================== */
.trust { padding: 56px 0; }
.trust .eyebrow-line {
  text-align: center;
  font-weight: 600;
  font-size: 15px;
  color: var(--olive-dark);
  margin-bottom: 40px;
}
/* ---------- Marquee (bande de logos clients) ---------- */
.marquee {
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  width: max-content;
  gap: 64px;
  padding: 0 32px;
  animation: marquee-scroll 34s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.logo-item {
  display: flex;
  align-items: center;
  height: 38px;
}
.logo-item img {
  height: 100%;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  filter: grayscale(1) opacity(0.5);
  transition: filter .25s var(--ease);
}
.logo-item:hover img { filter: grayscale(0) opacity(1); }
.logo-item-text span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink-soft);
  opacity: 0.55;
  white-space: nowrap;
  transition: opacity .25s var(--ease), color .25s var(--ease);
}
.logo-item-text:hover span { opacity: 1; color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none !important; flex-wrap: wrap; width: 100%; justify-content: center; padding: 0; }
  .marquee-track [aria-hidden="true"] { display: none; }
}

/* ==========================================================================
   Focus (Concentrez-vous)
   ========================================================================== */
.focus { text-align: center; padding: 112px 0 72px; }
.focus .wrap { max-width: 980px; }
.focus h2 { font-size: clamp(30px, 4vw, 44px); }
.focus p { margin-top: 22px; font-size: 19px; line-height: 1.65; color: var(--ink-soft); max-width: 820px; margin-left: auto; margin-right: auto; }
.focus p + p { margin-top: 14px; }
.focus .btn { margin-top: 38px; }

@media (max-width: 720px) {
  .focus { padding: 72px 0; }
}

/* ==========================================================================
   Formula
   ========================================================================== */
.formula { padding-top: 64px; }
.divider-subtle { opacity: 0.5; margin-bottom: 64px; }

.formula-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 14px 22px;
  margin-bottom: 44px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}
.term-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.3vw, 27px);
  white-space: nowrap;
}
.term-result { font-weight: 800; }
.operator {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 22px);
  color: var(--ink-soft);
}

.formula-captions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 920px;
  margin: 0 auto;
}
.caption { text-align: center; }
.caption-term {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.caption .swoosh { margin: 0 auto 10px; display: block; }
.caption p { font-size: 15px; color: var(--ink-soft); }
.caption strong { color: var(--ink); font-weight: 700; }

@media (max-width: 780px) {
  .formula-row { gap: 10px 14px; }
  .formula-captions { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 560px) {
  .formula-row {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 8px;
    width: calc(100% + 44px);
    margin-left: -22px;
    margin-right: -22px;
    padding: 0 22px 6px;
    -webkit-mask-image: linear-gradient(90deg, #000 0, #000 88%, transparent 100%);
    mask-image: linear-gradient(90deg, #000 0, #000 88%, transparent 100%);
  }
  .formula-row::-webkit-scrollbar { display: none; }
  .formula-row .term-label,
  .formula-row .operator { font-size: 13px; white-space: nowrap; }
}

/* ==========================================================================
   Expertise ("Concrètement ça donne ça !")
   ========================================================================== */
.expertise {
  background: var(--cream-deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.expertise .section-head { margin-bottom: 64px; }
.expertise-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}
.expertise-col h3 {
  font-weight: 800;
  font-size: 21px;
  letter-spacing: 0.01em;
  text-transform: none;
  margin-bottom: 24px;
}
.expertise-col h3 .accent-olive { text-transform: none; letter-spacing: 0; }

.platform-logo-list { display: flex; flex-direction: column; gap: 8px; }
.platform-logo-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 62px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 18px;
}
.platform-logo-row img {
  width: 112px;
  height: 36px;
  object-fit: contain;
  object-position: left center;
}

.expertise-col-text { text-align: center; }
.expertise-note { color: var(--ink-soft); font-size: 15.5px; }
.offer-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 26px;
}
.offer-block p.label { font-weight: 700; margin-bottom: 12px; font-size: 15px; }
.offer-block ul { display: flex; flex-direction: column; gap: 8px; }
.offer-block li {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px; color: var(--ink-soft);
}
.offer-block li::before {
  content: "";
  flex-shrink: 0;
  width: 6px; height: 6px;
  background: var(--olive);
  border-radius: 50%;
}

.check-list-1col { display: flex; flex-direction: column; gap: 13px; }
.check-list-1col li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14.5px; color: var(--ink);
}
.check-list-1col li svg { flex-shrink: 0; margin-top: 3px; }

.expertise-cta { text-align: center; margin-top: 60px; }

@media (max-width: 980px) {
  .expertise-grid { grid-template-columns: 1fr 1fr; }
  .expertise-col-text { grid-column: 1 / -1; order: 3; }
}
@media (max-width: 640px) {
  .expertise-grid { grid-template-columns: 1fr; }
  .expertise-col-text { order: initial; }
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonials .section-head { margin-bottom: 52px; }
.testi-carousel { position: relative; }
.testi-track {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.testi-track::-webkit-scrollbar { display: none; }
.testi-track .testi-card {
  scroll-snap-align: start;
  flex: 0 0 calc(50% - 14px);
  display: flex;
  flex-direction: column;
}
.testi-track .quote { flex-grow: 1; }
.testi-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.testi-arrow:hover { background: var(--olive-tint); border-color: var(--olive); }
.testi-prev { left: -23px; }
.testi-next { right: -23px; }
.testi-dots { display: flex; justify-content: center; gap: 8px; margin-top: 28px; }
.testi-dots button {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--line); border: none; padding: 0; cursor: pointer;
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.testi-dots button.active { background: var(--olive-dark); transform: scale(1.2); }

@media (max-width: 780px) {
  .testi-track .testi-card { flex: 0 0 88%; }
  .testi-arrow { display: none; }
}
.testi-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 36px;
  position: relative;
}
.testi-card .mark {
  font-family: var(--font-numeral);
  font-weight: 200;
  font-size: 64px;
  line-height: 1;
  color: var(--olive);
  display: block;
  margin-bottom: 6px;
}
.testi-card p.quote {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 26px;
}
.testi-card .who {
  font-weight: 700;
  font-size: 14.5px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.testi-card .who span { display: block; font-weight: 400; color: var(--ink-soft); margin-top: 2px; }

@media (max-width: 780px) {
  .testi-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   About ("À propos de nous")
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.about-card {
  background: var(--cream);
  padding: 32px 28px;
  min-height: 190px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about-card .num {
  font-family: var(--font-numeral);
  font-weight: 200;
  font-size: 30px;
  color: var(--olive);
}
.about-card p { font-size: 15px; color: var(--ink-soft); }
.about-card strong { color: var(--ink); font-weight: 700; }

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Onboarding
   ========================================================================== */
.onboarding { padding: 128px 0; }
.onboarding .section-head { margin-bottom: 88px; }

@media (max-width: 720px) {
  .onboarding { padding: 80px 0; }
  .onboarding .section-head { margin-bottom: 64px; }
}

.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 28px;
  bottom: 28px;
  width: 2px;
  background: repeating-linear-gradient(to bottom, var(--olive) 0, var(--olive) 6px, transparent 6px, transparent 13px);
  opacity: 0.55;
}
.timeline-step {
  position: relative;
  display: flex;
  gap: 30px;
  padding-bottom: 64px;
}
.timeline-step-last { padding-bottom: 0; }
.timeline-marker {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--cream);
  border: 2px solid var(--olive);
  color: var(--olive-dark);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-numeral);
  font-weight: 600;
  font-size: 21px;
}
.timeline-marker-final {
  background: var(--olive-dark);
  border-color: var(--olive-dark);
  color: var(--white);
}
.timeline-content { padding-top: 8px; }
.timeline-content h4 { font-weight: 700; font-size: 18px; margin-bottom: 10px; }
.timeline-content p { font-size: 15px; line-height: 1.7; color: var(--ink-soft); }
.timeline-content strong { color: var(--ink); font-weight: 700; }

@media (max-width: 560px) {
  .timeline::before { left: 21px; }
  .timeline-marker { width: 44px; height: 44px; font-size: 17px; }
  .timeline-step { gap: 20px; padding-bottom: 44px; }
}

/* ==========================================================================
   Contact / Final CTA
   ========================================================================== */
.contact {
  background: var(--ink);
  color: var(--cream);
}
.contact .section-head p { color: #c9c9c5; }
.contact .eyebrow { color: #b9c07f; }
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: start;
}
.contact-pitch h2 { color: var(--white); }
.contact-pitch p { margin-top: 18px; color: #c9c9c5; font-size: 16px; }
.contact-pitch .detail {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 15px;
  color: #c9c9c5;
}
.contact-pitch .detail strong { color: var(--white); font-weight: 600; }

.contact-form {
  background: var(--cream);
  color: var(--ink);
  padding: 36px;
  border-radius: var(--radius);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--ink-soft);
}
.field input, .field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  font-size: 15px;
  color: var(--ink);
  transition: border-color .2s var(--ease);
}
.field input:focus, .field textarea:focus {
  border-color: var(--olive-dark);
  outline: none;
}
.field textarea { resize: vertical; min-height: 110px; }
.hidden-field { position: absolute; left: -9999px; }
.contact-form .btn-primary { width: 100%; justify-content: center; margin-top: 4px; }
.form-note { font-size: 12.5px; color: var(--ink-soft); margin-top: 12px; text-align: center; }

.form-status {
  display: none;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 14.5px;
  margin-bottom: 18px;
}
.form-status.success { display: block; background: var(--olive-tint); color: var(--olive-dark); border: 1px solid var(--olive); }
.form-status.error { display: block; background: #fbe9e7; color: #b3261e; border: 1px solid #e3a49c; }

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: 34px 0;
  font-size: 13.5px;
  color: var(--ink-soft);
  background: var(--ink);
  border-top: 1px solid #34342f;
}
.site-footer a { color: #c9c9c5; }
.site-footer a:hover { color: var(--white); }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  text-align: left;
}
.footer-socials { display: flex; gap: 20px; }
.footer-socials a { font-weight: 600; }

@media (max-width: 560px) {
  .footer-inner { flex-direction: column; text-align: center; }
}

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }