/* ============================================
   Coaching Communication & Expression
   Design B2B : notariat / formation / dev. perso
   ============================================ */

:root {
  /* Palette : sérieux + chaleur institutionnelle */
  --color-bg: #f8f6f2;
  --color-bg-alt: #f0ede6;
  --color-surface: #ffffff;
  --color-ink: #1a2744;
  --color-ink-muted: #4a5568;
  --color-accent: #2d4a3e;
  --color-accent-light: #3d5c4e;
  --color-gold: #a68b5b;
  --color-gold-light: #c4a574;
  --color-border: #e2ddd4;
  --color-border-strong: #c9c2b5;

  /* Typographie */
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;

  /* Espacements & rythme */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  --container: min(90vw, 1100px);
  --header-height: 4rem;
  --radius: 6px;
  --shadow: 0 4px 24px rgba(26, 39, 68, 0.08);
  --transition: 0.25s ease;
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-light); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; }

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(248, 246, 242, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.header.is-scrolled { box-shadow: var(--shadow); }

.header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-ink);
}
.logo:hover { color: var(--color-accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-xs);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-ink);
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.nav__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: var(--space-lg);
}
.nav__list a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-ink-muted);
}
.nav__list a:hover { color: var(--color-ink); }

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + var(--space-3xl)) var(--space-md) var(--space-3xl);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(248, 246, 242, 0.92) 0%, rgba(240, 237, 230, 0.88) 50%, rgba(26, 39, 68, 0.35) 100%);
  pointer-events: none;
}
.hero__bg::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  z-index: 2;
  background: linear-gradient(to top, var(--color-bg), transparent);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 640px;
  text-align: center;
}

.hero__label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin: 0 0 var(--space-md);
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin: 0 0 var(--space-lg);
  color: var(--color-ink);
}

.hero__lead {
  font-size: 1.125rem;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-xl);
  font-weight: 400;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition);
}
.hero__scroll:hover {
  color: var(--color-ink);
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-border-strong), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: #fff;
}
.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}
.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn--full { width: 100%; }

/* ========== Sections communes ========== */
.section {
  padding: var(--space-3xl) var(--space-md);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.section.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.section--double,
.section--parcours { background: var(--color-surface); }
.section--services { background: var(--color-bg-alt); }
.section--about { background: var(--color-bg); }
.section--contact { background: var(--color-ink); color: #fff; }

.container {
  max-width: var(--container);
  margin: 0 auto;
}
.section--contact .container { color: #fff; }
.section--contact a { color: var(--color-gold-light); }
.section--contact a:hover { color: #fff; }

.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.section__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}
.section--contact .section__label { color: var(--color-gold-light); }
.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin: 0 0 var(--space-md);
  color: var(--color-ink);
}
.section--contact .section__title { color: #fff; }
.section__lead {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 1rem;
}
.section--contact .section__lead { color: rgba(255,255,255,0.85); }
.section__foot {
  text-align: center;
  margin: var(--space-xl) 0 0;
  color: var(--color-ink-muted);
  font-style: italic;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== Double compétence ========== */
.double-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.double-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 0;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.double-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--color-border-strong);
}

.double-card__img {
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--color-border);
}
.double-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
}
.double-card:hover .double-card__img img {
  transform: scale(1.03);
}
.double-card__icon,
.double-card__title,
.double-card__text {
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
}
.double-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  margin-left: var(--space-xl);
  padding-top: var(--space-lg);
  padding-bottom: 0;
  color: var(--color-accent);
}
.double-card__icon svg { width: 100%; height: 100%; }
.double-card--social .double-card__icon { color: var(--color-gold); }

.double-card__title {
  font-size: 1.375rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-ink);
  padding-bottom: 0;
}
.double-card__text {
  margin: 0;
  padding-bottom: var(--space-xl);
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
}

/* ========== Services ========== */
.intervention-types {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.intervention-type {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: box-shadow var(--transition);
}
.intervention-type:hover {
  box-shadow: var(--shadow);
}
.intervention-type:last-child {
  border-left-color: var(--color-gold);
}
.intervention-type__title {
  font-size: 1.125rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-ink);
}
.intervention-type__desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
}
.intervention-type__desc strong {
  color: var(--color-ink);
  font-weight: 600;
}
.intervention-type__list-label {
  margin: var(--space-md) 0 var(--space-xs);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
}
.intervention-type__list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  line-height: 1.6;
}
.intervention-type__list li {
  margin-bottom: var(--space-xs);
}
.intervention-type__list li::marker {
  color: var(--color-gold);
}
.intervention-types__note {
  max-width: 720px;
  margin: var(--space-md) auto 0;
  text-align: center;
  font-size: 0.875rem;
  font-style: italic;
  color: var(--color-ink-muted);
}

.services-visual {
  width: 100%;
  max-width: 900px;
  margin: 0 auto var(--space-2xl);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.services-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  object-position: center;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 0;
  transition: box-shadow var(--transition), transform var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.service-card__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-border);
}
.service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
}
.service-card:hover .service-card__img img {
  transform: scale(1.05);
}
.service-card__title,
.service-card__text {
  padding: var(--space-lg);
  padding-top: 0;
}
.service-card__title {
  font-size: 1.125rem;
  margin: 0 0 var(--space-xs);
  color: var(--color-ink);
  padding-top: var(--space-lg);
}
.service-card__text {
  margin: 0;
  padding-top: 0;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
}

/* ========== Tarifs indicatifs ========== */
.tarifs {
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}
.tarifs__title {
  font-size: 1.25rem;
  margin: 0 0 var(--space-lg);
  color: var(--color-ink);
  text-align: center;
}
.tarifs__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  max-width: 720px;
  margin: 0 auto;
}
.tarif-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: box-shadow var(--transition);
}
.tarif-card:hover {
  box-shadow: var(--shadow);
}
.tarif-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-ink);
}
.tarif-card__price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-accent);
}
.tarif-card__unit {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink-muted);
}
.tarif-card__desc {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
}
.tarifs__mention {
  margin: var(--space-xl) auto 0;
  max-width: 520px;
  text-align: center;
  font-size: 0.9375rem;
  font-style: italic;
  font-weight: 600;
  color: var(--color-ink-muted);
  line-height: 1.5;
}

/* ========== Parcours ========== */
.parcours-media {
  width: 100%;
  max-width: 720px;
  margin: 0 auto var(--space-xl);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.parcours-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
}

.parcours-content {
  max-width: 620px;
  margin: 0 auto;
}
.parcours__intro,
.parcours__outro {
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-md);
}
.parcours__list {
  margin: var(--space-md) 0;
  padding-left: 1.25rem;
  color: var(--color-ink);
}
.parcours__list li {
  margin-bottom: var(--space-xs);
}
.parcours__list li::marker { color: var(--color-gold); }

/* ========== À propos ========== */
.container--about {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about__media {
  position: sticky;
  top: calc(var(--header-height) + var(--space-lg));
}
.about__portrait {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.about__content .section__header { text-align: left; margin-bottom: var(--space-lg); }
.about__text {
  margin: 0 0 var(--space-lg);
  color: var(--color-ink-muted);
}

/* ========== Contact ========== */
.contact__box {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}
.contact__intro {
  margin: 0 0 var(--space-lg);
  color: rgba(255,255,255,0.9);
  font-size: 1.0625rem;
}
.contact__email {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-ink);
  background: #fff;
  border: 2px solid var(--color-gold-light);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.contact__email:hover {
  background: var(--color-bg);
  border-color: #fff;
  transform: translateY(-2px);
}
.contact__email:focus {
  outline: none;
  border-color: #fff;
  box-shadow: 0 0 0 3px var(--color-gold-light);
}
.contact__email-text {
  letter-spacing: 0.02em;
}
.contact__email-feedback {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  pointer-events: none;
  font-size: 1rem;
  color: var(--color-accent);
  font-weight: 600;
  transition: opacity var(--transition);
}
.contact__email.is-copied .contact__email-text {
  opacity: 0;
}
.contact__email.is-copied .contact__email-feedback {
  opacity: 1;
}
.contact__hint {
  margin: var(--space-sm) 0 0;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
}
.contact__note {
  margin: var(--space-lg) 0 0;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
}

/* ========== Footer ========== */
.footer {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-ink);
  color: rgba(255,255,255,0.7);
  text-align: center;
  font-size: 0.875rem;
}
.footer__copy { margin: 0; }

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .container--about {
    grid-template-columns: 1fr;
  }
  .about__media { position: static; }
  .about__portrait { max-width: 320px; margin: 0 auto; }
  .about__content .section__header { text-align: center; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav__list {
    flex-direction: column;
    gap: 0;
  }
  .nav__list li { border-bottom: 1px solid var(--color-border); }
  .nav__list a {
    display: block;
    padding: var(--space-md);
  }

  .double-grid,
  .intervention-types,
  .services-grid,
  .tarifs__grid {
    grid-template-columns: 1fr;
  }

  .hero__cta { flex-direction: column; }
  .hero__scroll { display: none; }
}

@media (max-width: 480px) {
  :root { --space-3xl: 4rem; }
  .section { padding: var(--space-2xl) var(--space-sm); }
}