/* ==========================================================================
   AR Formations — feuille de styles
   ========================================================================== */

:root {
  --primary: #0E57C8;
  --secondary: #FF0000;
  --black: #000000;
  --white: #FFFFFF;
  --light: #F5F7FA;
  --border: #E9EDF3;
  --gray: #666666;

  --primary-dark: #0a459e;
  --primary-soft: #e7effb;
  --header-h: 4.5rem;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(14, 87, 200, 0.08);
  --shadow-hover: 0 16px 40px rgba(14, 87, 200, 0.14);
  --max: 72rem;
  --font: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --focus: 0 0 0 3px var(--white), 0 0 0 6px var(--primary);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--black);
  background: var(--white);
  overflow-x: hidden;
}

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

a {
  color: var(--primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--primary-dark);
}

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

.btn:focus-visible,
.nav-toggle:focus-visible,
.accordion__btn:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

ul,
ol {
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.85rem, 1.1rem + 3.2vw, 3.35rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.45rem, 1.1rem + 1.5vw, 2.15rem);
  font-weight: 750;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 1000;
  background: var(--primary);
  color: var(--white);
  padding: 0.6rem 1rem;
  border-radius: 8px;
}

.skip-link:focus {
  top: 1rem;
  color: var(--white);
}

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(14, 87, 200, 0.22);
}

.btn--primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn--ghost:hover {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.btn--light {
  background: var(--white);
  color: var(--primary);
}

.btn--light:hover {
  transform: translateY(-2px);
  color: var(--primary-dark);
}

.btn--link {
  background: none;
  border: 0;
  padding: 0;
  min-height: auto;
  color: var(--primary);
  border-radius: 0;
  box-shadow: none;
  font-weight: 700;
}

.btn--link::after {
  content: " →";
  color: var(--secondary);
}

.btn--link:hover {
  color: var(--primary-dark);
  transform: none;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand__logo {
  height: 3.1rem;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav__list {
  display: none;
  list-style: none;
  gap: 0.15rem 1.1rem;
}

.nav__link {
  color: var(--black);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.35rem 0;
  position: relative;
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--primary);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s ease;
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

.header__cta {
  display: none;
}

.nav-toggle {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

body.nav-open {
  overflow: hidden;
}

/* Hero */

.hero {
  position: relative;
  padding: 2.5rem 0 3rem;
  background:
    radial-gradient(circle at 90% 10%, rgba(14, 87, 200, 0.08), transparent 28%),
    linear-gradient(180deg, var(--white), var(--light));
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 18rem;
  height: 18rem;
  border: 18px solid rgba(14, 87, 200, 0.07);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  right: -4rem;
  top: 2rem;
  pointer-events: none;
}

.hero__grid {
  display: grid;
  gap: 2rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.eyebrow::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  background: var(--secondary);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

.hero__lead {
  font-size: clamp(1rem, 0.95rem + 0.4vw, 1.15rem);
  color: var(--gray);
  max-width: 38rem;
  margin-bottom: 1.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__visual {
  position: relative;
}

.hero__figure {
  margin: 0;
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
}

.hero__figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.hero__chips li {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 650;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.04);
}

.hero__chips li:nth-child(2) {
  border-color: rgba(255, 0, 0, 0.18);
}

/* Trust */

.trust {
  padding: 1.5rem 0;
  background: var(--white);
  border-block: 1px solid var(--border);
}

.trust__grid {
  display: grid;
  gap: 1rem;
}

.trust__item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.85rem;
  padding: 0.35rem 0;
}

.trust__item img {
  grid-row: 1 / span 2;
  margin-top: 0.2rem;
}

.trust__item h2 {
  font-size: 0.98rem;
  margin-bottom: 0.2rem;
}

.trust__item p {
  margin: 0;
  color: var(--gray);
  font-size: 0.92rem;
}

/* Sections */

.section {
  padding: 4rem 0;
}

.section--light {
  background: var(--light);
}

.section__header {
  max-width: 42rem;
  margin-bottom: 2rem;
}

.section__header h2::after,
.cta-band h2::after {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  margin-top: 0.8rem;
  background: linear-gradient(90deg, var(--primary) 70%, var(--secondary) 70%);
  border-radius: 2px;
}

.section__intro,
.hero__lead {
  color: var(--gray);
}

.notice {
  background: var(--white);
  border: 1px dashed var(--border);
  border-left: 3px solid var(--secondary);
  padding: 0.85rem 1rem;
  border-radius: 10px;
  font-size: 0.92rem;
  color: var(--gray);
}

/* Cards */

.cards {
  display: grid;
  gap: 1.1rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: #c9d9f3;
}

.card__icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  border-radius: 12px;
  margin-bottom: 1rem;
}

.card p {
  color: var(--gray);
  margin-bottom: 1rem;
}

.card--plain {
  box-shadow: none;
}

/* CTA band */

.cta-band {
  background: var(--primary);
  color: var(--white);
  padding: 3.5rem 0;
}

.cta-band__inner {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.cta-band h2,
.cta-band p {
  color: var(--white);
}

.cta-band p {
  margin: 0.75rem 0 0;
  max-width: 38rem;
  opacity: 0.95;
}

.cta-band h2::after {
  background: var(--white);
}

/* About / audience */

.about,
.audience {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.about__figure,
.audience__figure {
  margin: 0;
  border-radius: 1.15rem;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.about__figure img,
.audience__figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.audience__list {
  list-style: none;
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0 1.5rem;
}

.audience__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem;
}

.audience__list p {
  margin: 0;
  color: var(--gray);
  font-size: 0.92rem;
}

/* Timeline */

.timeline {
  list-style: none;
  display: grid;
  gap: 1rem;
  position: relative;
}

.timeline__item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1.25rem 1.4rem;
  border-left: 3px solid var(--primary);
}

.timeline__num {
  display: inline-block;
  color: var(--primary);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.timeline__item p {
  margin: 0;
  color: var(--gray);
}

/* Quotes */

.quote {
  margin: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.quote__stars {
  color: var(--secondary);
  letter-spacing: 0.12em;
  margin-bottom: 0.6rem;
}

.quote p {
  font-size: 1.02rem;
}

.quote footer {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  color: var(--gray);
  font-size: 0.88rem;
}

.quote cite {
  font-style: normal;
  font-weight: 700;
  color: var(--black);
}

/* FAQ */

.accordion {
  display: grid;
  gap: 0.7rem;
  max-width: 48rem;
}

.accordion__item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.accordion__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  background: none;
  border: 0;
  padding: 1rem 1.1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.accordion__icon {
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--primary-soft);
  position: relative;
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--primary);
  transform: translate(-50%, -50%);
}

.accordion__icon::before {
  width: 10px;
  height: 2px;
}

.accordion__icon::after {
  width: 2px;
  height: 10px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.accordion__btn[aria-expanded="true"] .accordion__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.accordion__panel {
  padding: 0 1.1rem 1.1rem;
  color: var(--gray);
}

.accordion__panel p {
  margin: 0;
}

.accordion__panel[hidden] {
  display: none;
}

/* Contact */

.contact__grid {
  display: grid;
  gap: 1.5rem;
}

.form,
.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.form__row {
  display: grid;
  gap: 0.9rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.95rem;
}

.field label {
  font-weight: 650;
  font-size: 0.92rem;
}

.req {
  color: var(--secondary);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  font: inherit;
  background: var(--white);
  color: var(--black);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(14, 87, 200, 0.12);
}

.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea,
.field.is-invalid input[type="checkbox"] {
  border-color: var(--secondary);
}

.field__error {
  margin: 0;
  color: var(--secondary);
  font-size: 0.82rem;
}

.field--check {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.55rem 0.7rem;
}

.field--check input {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.2rem;
}

.field--check .field__error {
  grid-column: 1 / -1;
}

.form__note {
  margin: 0.85rem 0 0;
  color: var(--gray);
  font-size: 0.85rem;
}

.form__success {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 10px;
  background: var(--primary-soft);
  border: 1px solid #c5d8f5;
}

.contact-card__logo {
  width: 5.5rem;
  height: auto;
  margin-bottom: 0.5rem;
}

.contact-card__list {
  list-style: none;
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0;
}

.contact-card__list span {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
}

.contact-card__list p {
  margin: 0.15rem 0 0;
}

.social p {
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.social a,
.social__placeholder {
  display: inline-block;
  margin-right: 0.75rem;
  font-size: 0.92rem;
}

.social__placeholder {
  color: var(--gray);
}

/* Footer */

.site-footer {
  background: var(--black);
  color: var(--white);
  padding: 3rem 0 1.3rem;
}

.footer__grid {
  display: grid;
  gap: 1.75rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__brand img {
  width: 7.5rem;
  height: auto;
  margin-bottom: 0.75rem;
}

.footer__brand p,
.site-footer a {
  color: rgba(255, 255, 255, 0.82);
}

.site-footer h2 {
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
}

.site-footer ul {
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--white);
}

.footer__bottom {
  padding-top: 1.1rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer__bottom p {
  margin: 0;
}

/* Dialog */

.dialog {
  border: 0;
  border-radius: 1.1rem;
  padding: 0;
  width: min(36rem, calc(100% - 2rem));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.dialog__inner {
  padding: 1.5rem;
}

.dialog__close {
  float: right;
  border: 0;
  background: var(--light);
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  line-height: 1;
}

.dialog p {
  color: var(--gray);
}

.dialog .btn {
  margin-top: 0.5rem;
}

/* Floating CTA + cookies */

.float-cta {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  background: var(--primary);
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  padding: 0.85rem 1.1rem;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(14, 87, 200, 0.35);
}

.float-cta:hover {
  color: var(--white);
  background: var(--primary-dark);
}

.cookie {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: var(--shadow-hover);
  display: grid;
  gap: 0.85rem;
}

.cookie p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray);
}

.cookie__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

body:has(.cookie:not([hidden])) .float-cta {
  bottom: 8.5rem;
}

/* Legal pages */

.legal {
  padding: 6rem 0 4rem;
}

.legal h1 {
  font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.2rem);
}

.legal h2 {
  margin-top: 1.75rem;
}

.legal p,
.legal li {
  color: var(--gray);
}

.legal ul {
  padding-left: 1.2rem;
}

/* Reveal */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */

@media (min-width: 640px) {
  .trust__grid {
    grid-template-columns: 1fr 1fr;
  }

  .form__row {
    grid-template-columns: 1fr 1fr;
  }

  .cookie {
    left: auto;
    width: min(34rem, calc(100% - 2rem));
  }
}

@media (min-width: 768px) {
  .cards {
    grid-template-columns: 1fr 1fr;
  }

  .timeline {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }

  .cta-band__inner {
    grid-template-columns: 1fr auto;
    gap: 2rem;
  }

  .float-cta {
    display: none;
  }
}

@media (min-width: 1024px) {
  .nav__list {
    display: flex;
  }

  .header__cta {
    display: inline-flex;
  }

  .nav-toggle {
    display: none;
  }

  .hero {
    padding: 4.5rem 0 5rem;
  }

  .hero__grid,
  .about,
  .audience,
  .contact__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
    align-items: center;
  }

  .contact__grid {
    align-items: start;
  }

  .cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .cards--four {
    grid-template-columns: repeat(4, 1fr);
  }

  .trust__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.4rem;
  }

  .timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
  }

  .timeline::before {
    content: "";
    position: absolute;
    top: 1.55rem;
    left: 8%;
    right: 8%;
    height: 2px;
    background: var(--border);
  }

  .timeline__item {
    border-left: 1px solid var(--border);
    border-top: 3px solid var(--primary);
    position: relative;
  }

  .hero__chips {
    position: absolute;
    inset: auto 0.75rem -0.6rem auto;
    flex-direction: column;
    align-items: flex-end;
    margin: 0;
  }

  .hero__chips li:nth-child(1) {
    transform: translate(-7.5rem, -11rem);
  }

  .hero__chips li:nth-child(2) {
    transform: translate(0.2rem, -6rem);
  }

  .hero__chips li:nth-child(3) {
    transform: translate(-2rem, 0);
  }
}

@media (max-width: 1023px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--white);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 1.25rem 1.25rem 2rem;
    transform: translateX(100%);
    transition: transform 0.28s ease;
    border-top: 1px solid var(--border);
  }

  .nav.is-open {
    transform: none;
  }

  .nav__list {
    display: grid;
    gap: 0.15rem;
  }

  .nav__link {
    display: block;
    padding: 0.85rem 0.2rem;
    font-size: 1.05rem;
  }

  .header__cta {
    display: inline-flex;
    margin-top: 0.75rem;
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .card:hover,
  .btn--primary:hover,
  .btn--light:hover {
    transform: none;
  }
}