/* ============================================================================
 * sections.css — Circuits Paris Ouest LP
 *
 * Styles scopés par section (Epic 2). Convention :
 *   - 1 bloc commenté par section (header, hero, bandeau-confiance, ...).
 *   - Classes préfixées par le nom de la section.
 *   - Mobile-first, breakpoints conformes au design system (640 / 1024).
 *   - Ne pas dupliquer les tokens : on consomme uniquement les CSS variables
 *     déclarées dans styles.css.
 * ========================================================================= */

/* ============================================================================
 * Section : Header (story 2.1)
 * ========================================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: 56px;
  transition:
    height 200ms ease,
    box-shadow 200ms ease;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

.site-header--scrolled {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.site-header__brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--fg);
  letter-spacing: var(--tracking-heading);
  text-decoration: none;
  white-space: nowrap;
}

.site-header__brand:hover {
  text-decoration: none;
}

.site-header__nav {
  display: none;
}

.site-header__nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--space-6);
}

.site-header__nav-list a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--fg-secondary);
  text-decoration: none;
}

.site-header__nav-list a:hover {
  color: var(--fg);
  text-decoration: none;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__tel {
  display: none;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--fg);
  text-decoration: none;
}

.site-header__tel:hover {
  color: var(--accent);
  text-decoration: none;
}

.site-header__burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  /* Tap target ≥ 44px (WCAG 2.5.5 AAA / Apple HIG / Material) */
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: transparent;
  cursor: pointer;
}

.site-header__cta-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .site-header {
    height: 72px;
  }
  .site-header--scrolled {
    height: 64px;
  }
  .site-header__nav {
    display: block;
  }
  .site-header__tel {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
  }
  .site-header__burger {
    display: none;
  }
  .site-header__cta-desktop {
    display: inline-flex;
  }
}

/* Drawer mobile */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  visibility: hidden;
}

.drawer__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 250ms ease;
}

.drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 80%;
  max-width: 360px;
  background: var(--bg-elevated);
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform 300ms ease;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.drawer--open {
  pointer-events: auto;
  visibility: visible;
}

.drawer--open .drawer__overlay {
  background: rgba(0, 0, 0, 0.4);
}

.drawer--open .drawer__panel {
  transform: translateX(0);
}

.drawer__close {
  align-self: flex-end;
  /* Tap target ≥ 44px (WCAG 2.5.5 AAA) */
  width: 44px;
  height: 44px;
  font-size: 1.25rem;
}

.drawer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.drawer__list a {
  display: block;
  padding: var(--space-3) 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

/* ============================================================================
 * Section : Hero (story 2.2)
 * ========================================================================= */
.hero {
  padding: var(--space-16) 0 var(--space-12);
}

.hero__eyebrow {
  margin-bottom: var(--space-5);
}

.hero__title {
  font-size: var(--text-display-md);
  line-height: var(--lh-display);
  letter-spacing: var(--tracking-display);
  font-weight: 500;
  max-width: 18ch;
  margin-bottom: var(--space-6);
}

.hero__lead {
  font-size: var(--text-body-lg);
  color: var(--fg-secondary);
  max-width: 560px;
  margin-bottom: var(--space-8);
}

.hero__ctas {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.hero__ctas .btn {
  width: 100%;
  justify-content: center;
}

.hero__phone,
.hero__social-proof {
  font-size: 0.9375rem;
  color: var(--fg-secondary);
  margin-bottom: var(--space-2);
}

.hero__social-proof span[aria-hidden] {
  color: var(--accent);
}

.hero__media {
  margin: var(--space-10) 0 0;
}

@media (min-width: 1024px) {
  .hero {
    padding: var(--space-24) 0 var(--space-20);
  }
  .hero__title {
    font-size: var(--text-display-xl);
    max-width: 22ch;
  }
  .hero__ctas {
    flex-direction: row;
  }
  .hero__ctas .btn {
    width: auto;
  }
}

/* ============================================================================
 * Section : Bandeau de confiance (story 2.3)
 * ========================================================================= */
.trust-bar {
  padding: var(--space-10) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-subtle);
}

.trust-bar__eyebrow {
  display: block;
  margin-bottom: var(--space-5);
  text-align: center;
}

.trust-bar__row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.trust-bar__logos {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}

.trust-bar__logo {
  width: 96px;
  height: 48px;
  filter: grayscale(1);
}

.trust-bar__rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.9375rem;
  color: var(--fg-secondary);
  text-decoration: none;
}

.trust-bar__stars {
  color: var(--accent);
  letter-spacing: 0.1em;
}

@media (min-width: 1024px) {
  .trust-bar__row {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ============================================================================
 * Section : Pourquoi (story 2.4)
 * ========================================================================= */
.why {
  padding: var(--space-20) 0;
}

.why__title {
  font-size: var(--text-heading-lg);
  margin-bottom: var(--space-4);
}

.why__lead {
  max-width: 640px;
  margin-bottom: var(--space-10);
  color: var(--fg-secondary);
}

.why__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.why__pillar h3 {
  font-size: var(--text-heading-md);
  margin: var(--space-4) 0 var(--space-2);
}

@media (min-width: 1024px) {
  .why__title {
    font-size: var(--text-display-md);
  }
  .why__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-12);
  }
}

/* ============================================================================
 * Section : Offre (story 2.5)
 * ========================================================================= */
.offer {
  padding: var(--space-20) 0;
  background: var(--bg-subtle);
}

.offer__title {
  font-size: var(--text-heading-lg);
  margin-bottom: var(--space-4);
  max-width: 22ch;
}

.offer__lead {
  max-width: 720px;
  margin-bottom: var(--space-10);
  color: var(--fg-secondary);
}

.offer__columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.offer__col {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.offer__col h3 {
  font-size: var(--text-heading-md);
  margin-bottom: var(--space-3);
}

.offer__concret {
  margin-bottom: var(--space-10);
}

.offer__concret h3 {
  font-size: var(--text-heading-md);
  margin-bottom: var(--space-4);
}

.offer__concret ul {
  list-style: disc;
  padding-left: var(--space-6);
  color: var(--fg-secondary);
}

.offer__concret li {
  margin-bottom: var(--space-2);
}

.offer__media {
  margin: var(--space-8) 0;
}

.offer__cta {
  text-align: center;
}

/* Lien discret vers la plaquette PDF — vise Sandrine (Office Manager).
 * Pas un CTA primaire, juste une porte de sortie B2B pour pitcher en interne. */
.offer__plaquette {
  text-align: center;
  margin-top: var(--space-4);
  font-size: 0.9rem;
  color: var(--neutral-600, #525252);
}

.offer__plaquette a {
  color: var(--neutral-700, #404040);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  font-weight: 500;
}

.offer__plaquette a:hover,
.offer__plaquette a:focus-visible {
  color: var(--accent);
  text-decoration-thickness: 2px;
}

.offer__plaquette-hint {
  display: block;
  margin-top: 2px;
  font-size: 0.8rem;
  color: var(--neutral-500, #737373);
  font-style: italic;
}

@media (min-width: 1024px) {
  .offer__title {
    font-size: var(--text-display-md);
  }
  .offer__columns {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================================
 * Section : Journée type (story 2.6)
 * ========================================================================= */
.day {
  padding: var(--space-20) 0;
}

.day__title {
  font-size: var(--text-heading-lg);
  margin-bottom: var(--space-4);
}

.day__lead {
  max-width: 640px;
  color: var(--fg-secondary);
  margin-bottom: var(--space-10);
}

.day__timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  border-left: 2px solid var(--border);
  padding-left: var(--space-6);
}

.day__hour {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-body-sm);
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

.day__timeline h3 {
  font-size: var(--text-heading-md);
  margin-bottom: var(--space-2);
}

.day__note {
  margin-top: var(--space-8);
  padding: var(--space-4);
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  color: var(--fg-secondary);
}

@media (min-width: 1024px) {
  .day__title {
    font-size: var(--text-display-md);
  }
}

/* ============================================================================
 * Section : Formats & Tarifs (story 2.7)
 * ========================================================================= */
.pricing {
  padding: var(--space-20) 0;
  background: var(--bg-subtle);
}

.pricing__title {
  font-size: var(--text-heading-lg);
  margin-bottom: var(--space-4);
}

.pricing__lead {
  max-width: 720px;
  color: var(--fg-secondary);
  margin-bottom: var(--space-10);
}

.pricing__table {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.pricing__card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.pricing__card h3 {
  font-size: var(--text-heading-md);
  margin-bottom: var(--space-2);
}

.pricing__meta {
  font-size: var(--text-body-sm);
  color: var(--fg-muted);
  margin-bottom: var(--space-4);
}

.pricing__price {
  font-size: var(--text-body-lg);
  color: var(--fg);
}

.pricing__price strong {
  font-size: var(--text-heading-md);
  color: var(--accent);
}

.pricing__note {
  font-size: var(--text-body-sm);
  color: var(--fg-secondary);
  margin-bottom: var(--space-6);
}

.pricing__reassurance {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  font-size: var(--text-body-sm);
  color: var(--fg-secondary);
}

.pricing__reassurance li::before {
  content: '✓  ';
  color: var(--success);
}

.pricing__cta {
  text-align: center;
}

@media (min-width: 1024px) {
  .pricing__title {
    font-size: var(--text-display-md);
  }
  .pricing__table {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================================
 * Section : Écoresponsable (story 2.8)
 * ========================================================================= */
.eco {
  padding: var(--space-20) 0;
}

.eco__title {
  font-size: var(--text-heading-lg);
  margin-bottom: var(--space-4);
}

.eco__lead {
  max-width: 640px;
  color: var(--fg-secondary);
  margin-bottom: var(--space-10);
}

.eco__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-6);
}

.eco__list h3 {
  font-size: var(--text-body-lg);
  font-weight: 500;
  color: var(--fg);
  margin-bottom: var(--space-1);
}

.eco__list h3::before {
  content: '🌿  ';
  filter: grayscale(0.5);
}

.eco__transparency {
  margin-top: var(--space-8);
  color: var(--fg-muted);
  font-size: var(--text-body-sm);
}

@media (min-width: 1024px) {
  .eco__title {
    font-size: var(--text-display-md);
  }
  .eco__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================================
 * Section : Équipe (story 2.9)
 * ========================================================================= */
.team {
  padding: var(--space-20) 0;
  background: var(--bg-subtle);
}

.team__title {
  font-size: var(--text-heading-lg);
  margin-bottom: var(--space-4);
}

.team__lead {
  max-width: 640px;
  color: var(--fg-secondary);
  margin-bottom: var(--space-10);
}

.team__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.team__card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.team__card h3 {
  font-size: var(--text-heading-md);
  margin: var(--space-4) 0 var(--space-1);
}

.team__role {
  font-size: var(--text-body-sm);
  color: var(--accent);
  margin-bottom: var(--space-2);
}

.team__note {
  margin-top: var(--space-10);
  color: var(--fg-secondary);
}

@media (min-width: 1024px) {
  .team__title {
    font-size: var(--text-display-md);
  }
  .team__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================================================
 * Section : Témoignages (story 2.10)
 * ========================================================================= */
.testimonials {
  padding: var(--space-20) 0;
}

.testimonials__title {
  font-size: var(--text-heading-lg);
  margin-bottom: var(--space-4);
}

.testimonials__lead {
  max-width: 640px;
  color: var(--fg-secondary);
  margin-bottom: var(--space-10);
}

.testimonials__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.testimonials__card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.testimonials__card blockquote {
  margin: 0 0 var(--space-4);
  font-style: italic;
  color: var(--fg-secondary);
  line-height: var(--lh-body);
}

.testimonials__signature {
  font-size: var(--text-body-sm);
  color: var(--fg);
  font-weight: 500;
  margin: 0;
}

@media (min-width: 1024px) {
  .testimonials__title {
    font-size: var(--text-display-md);
  }
  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================================
 * Section : FAQ (story 2.11)
 * ========================================================================= */
.faq {
  padding: var(--space-20) 0;
  background: var(--bg-subtle);
}

.faq__title {
  font-size: var(--text-heading-lg);
  margin-bottom: var(--space-4);
}

.faq__lead {
  max-width: 640px;
  color: var(--fg-secondary);
  margin-bottom: var(--space-10);
}

.faq__list {
  border-top: 1px solid var(--border);
}

.faq__item {
  border-bottom: 1px solid var(--border);
}

.faq__item > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  cursor: pointer;
  padding: var(--space-5) 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-body-lg);
  color: var(--fg);
}

.faq__item > summary::-webkit-details-marker {
  display: none;
}

.faq__item > summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--fg-muted);
  transition: transform 200ms ease;
}

.faq__item[open] > summary::after {
  content: '−';
}

.faq__answer {
  padding-bottom: var(--space-5);
  color: var(--fg-secondary);
  line-height: var(--lh-body);
}

@media (min-width: 1024px) {
  .faq__title {
    font-size: var(--text-display-md);
  }
}

/* ============================================================================
 * Section : CTA final (ancre form Epic 4)
 * ========================================================================= */
.cta-final {
  padding: var(--space-20) 0;
  text-align: center;
}

.cta-final__title {
  font-size: var(--text-heading-lg);
  margin-bottom: var(--space-4);
}

.cta-final__lead {
  max-width: 640px;
  margin: 0 auto var(--space-6);
  color: var(--fg-secondary);
}

.cta-final__phone {
  font-size: var(--text-body);
  color: var(--fg-secondary);
}

@media (min-width: 1024px) {
  .cta-final__title {
    font-size: var(--text-display-md);
  }
}

/* ============================================================================
 * Section : Footer (story 2.1)
 * ========================================================================= */
.site-footer {
  background: #0a0a0a;
  color: #d4d4d4;
  padding: var(--space-20) 0 var(--space-12);
  margin-top: var(--space-20);
}

.site-footer a {
  color: #d4d4d4;
}

.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.site-footer__heading {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.875rem;
  color: #fafaf7;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

.site-footer__brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: var(--space-3);
}

.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 0.9375rem;
}

.site-footer__social {
  display: flex;
  gap: var(--space-3);
}

.site-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid #262626;
  border-radius: var(--radius-md);
}

.site-footer__bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid #262626;
  font-size: 0.8125rem;
  color: #737373;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
}