* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f4f1;
  color: #222;
  line-height: 1.5;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
}

.container {
  width: 92%;
  max-width: 1200px;
  margin: auto;
}

/* HEADER FIXE SANS RÉDUCTION AU SCROLL */

.site-header,
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e2e2;
}

.nav-wrapper,
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 22px 0;
}

.logo,
.brand {
  flex: 0 0 auto;
}

.logo img,
.brand img {
  display: block;
  height: 75px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
}

.menu,
nav ul {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 26px;
  list-style: none;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.menu li,
nav li {
  list-style: none;
}

.menu a,
nav a {
  display: inline-flex;
  align-items: center;
  color: #243241;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  white-space: nowrap;
  transition: .25s ease;
}

.menu a:hover,
nav a:hover {
  color: #0e6a66;
}

.menu .contact-btn,
.nav-cta {
  background: #0b2f52;
  color: #fff !important;
  padding: 18px 34px;
  border-radius: 50px;
  box-shadow: 0 22px 45px rgba(11,47,82,.18);
}

.menu .contact-btn:hover,
.nav-cta:hover {
  background: #15406d;
  color: #fff !important;
}

/* HERO */

.hero-photo,
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(to right, #f6f4ef, #eef3f6);
}

.hero-inner,
.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr .85fr;
  align-items: center;
  gap: 70px;
  padding: 110px 0;
}

.hero-text {
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 24px;
  color: #0e6a66;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
}

.hero-text h1,
.hero h1 {
  font-size: clamp(48px, 6vw, 84px);
  line-height: .95;
  color: #0b2f52;
  margin-bottom: 30px;
}

.hero-text h1 span,
.hero h2 {
  display: block;
  color: #0e6a66;
}

.hero-text p,
.hero p {
  max-width: 650px;
  font-size: 23px;
  line-height: 1.5;
  margin-bottom: 42px;
  color: #444;
}

.hero-buttons,
.hero-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 34px;
  border-radius: 50px;
  font-weight: 700;
  transition: .25s ease;
}

.btn-primary,
.button {
  background: #0b2f52;
  color: #fff !important;
}

.btn-primary:hover,
.button:hover {
  background: #15406d;
}

.btn-secondary,
.button.secondary {
  border: 1px solid #d5d5d5;
  color: #0b2f52 !important;
  background: #fff;
}

.btn-secondary:hover,
.button.secondary:hover {
  background: #f1f1f1;
}

.hero-visual {
  position: relative;
  z-index: 2;
  max-width: 460px;
  justify-self: end;
}

.hero-visual img {
  width: 100%;
  height: auto;
  border-radius: 36px;
  object-fit: cover;
  box-shadow: 0 35px 90px rgba(0,0,0,.16);
}

/* SECTIONS */

.section,
section {
  padding: 110px 0;
}

.section-title {
  margin-bottom: 70px;
}

.section-title span {
  display: inline-block;
  margin-bottom: 18px;
  color: #0e6a66;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
}

.section-title h2,
h2 {
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1;
  color: #0b2f52;
}

/* CARTES GÉNÉRIQUES */

.card,
.step-card,
.service-card,
.coaching-premium-card {
  background: #fff;
  padding: 42px;
  border-radius: 26px;
  box-shadow: 0 12px 34px rgba(0,0,0,.06);
  transition: transform .25s ease, box-shadow .25s ease;
}

.card:hover,
.step-card:hover,
.service-card:hover,
.coaching-premium-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 48px rgba(0,0,0,.10);
}

/* COACHING */

.steps-grid,
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.services,
.coaching-landing {
  padding: 110px 0;
}

.services-grid,
.coaching-grid-premium {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.step-number,
.service-number,
.coaching-premium-card span {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  color: #0e6a66;
  margin-bottom: 20px;
}

.step-card h3,
.service-card h3,
.coaching-premium-card h3 {
  font-size: 38px;
  line-height: 1.1;
  color: #0b2f52;
  margin-bottom: 24px;
}

.step-card p,
.service-card p,
.coaching-premium-card p {
  color: #555;
  line-height: 1.7;
}

.service-card ul,
.coaching-premium-card ul {
  padding-left: 22px;
  margin: 28px 0;
}

.service-card li,
.coaching-premium-card li {
  margin-bottom: 14px;
  line-height: 1.6;
}

.service-card strong,
.coaching-premium-card strong {
  display: block;
  margin-top: 20px;
  font-size: 24px;
  color: #0b2f52;
}

.coaching-process {
  padding: 110px 0;
}

.coaching-quote {
  padding: 90px 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(199,220,214,.35), #f5f4f1);
}

.coaching-quote blockquote {
  max-width: 900px;
  margin: auto;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.15;
  color: #0b2f52;
  font-weight: 700;
}

/* LIVRES / GRILLES */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.book-card,
.beau-livre-card {
  background: #fff;
  border-radius: 26px;
  padding: 24px;
  box-shadow: 0 12px 34px rgba(0,0,0,.06);
  transition: .25s ease;
}

.book-card:hover,
.beau-livre-card:hover {
  transform: translateY(-6px);
}

.book-card img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 18px;
}

.book-card p {
  margin-top: 16px;
  font-weight: 700;
  color: #0b2f52;
}

.is-hidden {
  display: none !important;
}

/* LIGHTBOX */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: rgba(8,18,28,.88);
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 92vw;
  max-height: 86vh;
  object-fit: contain;
  border-radius: 18px;
}

.lightbox-close,
.book-modal-close {
  position: fixed;
  top: 24px;
  right: 28px;
  z-index: 100000;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: #fff;
  color: #0b2f52;
  font-size: 28px;
  cursor: pointer;
}

/* MODALE LIVRES */

.book-modal {
  position: fixed;
  inset: 0;
  z-index: 99998;
  display: none;
  overflow-y: auto;
  background: rgba(8,18,28,.78);
  padding: 34px 18px;
}

.book-modal.is-open {
  display: block;
}

.book-modal-content {
  max-width: 1180px;
  margin: 0 auto 42px;
}

body.modal-is-open {
  overflow: hidden;
}

/* ANIMATIONS */

.reveal-item,
.step-card,
.service-card {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .65s ease, transform .65s ease;
}

.reveal-item.is-visible,
.step-card.visible,
.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */

@media (max-width: 1180px) {
  .menu,
  nav ul {
    gap: 18px;
  }

  .menu a,
  nav a {
    font-size: 14px;
  }

  .logo img,
  .brand img {
    height: 68px;
  }
}

@media (max-width: 980px) {
  .nav-wrapper,
  .nav {
    flex-direction: column;
    gap: 20px;
  }

  .menu,
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-inner,
  .hero-content,
  .steps-grid,
  .process-grid,
  .services-grid,
  .coaching-grid-premium,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-width: 100%;
    justify-self: stretch;
  }

  .section,
  section {
    padding: 80px 0;
  }
}

@media (max-width: 640px) {
  .logo img,
  .brand img {
    height: 64px;
  }

  .hero-text p,
  .hero p {
    font-size: 18px;
  }

  .btn-primary,
  .btn-secondary,
  .button {
    width: 100%;
  }

  .card,
  .step-card,
  .service-card,
  .coaching-premium-card {
    padding: 30px;
  }

  .step-card h3,
  .service-card h3,
  .coaching-premium-card h3 {
    font-size: 30px;
  }
}