/* ==========================================================================
   Layout primitives
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-w-6);
  margin-inline: auto;
  padding-inline: var(--s-6);
}
.container--narrow { max-width: var(--max-w-5); }
.container--tight { max-width: var(--max-w-3); }

.section {
  padding-block: var(--s-24);
}
.section--tight { padding-block: var(--s-16); }

.section--white {
  background: var(--color-white);
  border-block: 1px solid var(--color-ink-5);
}
.section--ink {
  background: var(--color-ink);
  color: var(--color-cream);
}

.eyebrow {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-2);
  margin-bottom: var(--s-4);
}

.section__head {
  max-width: 40rem;
  margin-bottom: var(--s-16);
}
.section__head--center {
  margin-inline: auto;
  text-align: center;
}
.section__title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  line-height: var(--lh-snug);
}
.section__lead {
  font-size: var(--fs-lead);
  color: var(--color-ink-70);
  line-height: var(--lh-relaxed);
  margin-top: var(--s-6);
}

/* ==========================================================================
   Decorative backgrounds
   ========================================================================== */

.grid-bg {
  background-image:
    radial-gradient(circle at 30% 20%, rgba(79, 195, 200, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(79, 195, 200, 0.08) 0%, transparent 50%);
}

.gradient-text {
  background: linear-gradient(90deg, #4FC3C8 0%, #7DD3D8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: var(--s-4) var(--s-6);
  border-radius: var(--radius-sm);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--sm { padding: var(--s-2) var(--s-4); font-size: var(--fs-sm); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-ink);
}
.btn--primary:hover { background: var(--color-accent-2); }

.btn--dark {
  background: var(--color-ink);
  color: var(--color-cream);
}
.btn--dark:hover { background: var(--color-ink-2); }

.btn--ghost-light {
  border-color: var(--color-cream-10);
  color: var(--color-cream);
}
.btn--ghost-light:hover { background: var(--color-cream-5); }

.btn--ghost-ink {
  border-color: var(--color-ink);
  background: var(--color-white);
  color: var(--color-ink);
}
.btn--ghost-ink:hover { background: var(--color-ink); color: var(--color-cream); }

.btn--block {
  display: flex;
  width: 100%;
}

.btn__icon { width: 1rem; height: 1rem; }
.btn--lg { padding: var(--s-4) var(--s-8); font-size: var(--fs-lead); }
.btn--lg .btn__icon { width: 1.25rem; height: 1.25rem; }

/* ==========================================================================
   Nav
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-ink-5);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--s-4);
}
.nav__brand {
  font-weight: var(--fw-bold);
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}
.nav__links {
  display: none;
  align-items: center;
  gap: var(--s-8);
  font-size: var(--fs-sm);
  color: var(--color-ink-70);
}
.nav__links a { transition: color var(--dur) var(--ease); }
.nav__links a:hover { color: var(--color-ink); }

.nav__toggle {
  display: inline-flex;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  color: var(--color-ink);
  margin-left: auto;
  margin-right: var(--s-4);
}
.nav__toggle svg { width: 1.5rem; height: 1.5rem; }

.nav__cta { display: none; }

@media (min-width: 768px) {
  .nav__links { display: flex; }
  .nav__cta { display: inline-flex; }
  .nav__toggle { display: none; }
}

/* Mobile menu panel */
.nav__panel {
  display: none;
  padding: var(--s-4) 0 var(--s-6);
  border-top: 1px solid var(--color-ink-5);
}
.nav__panel a {
  display: block;
  padding: var(--s-3) 0;
  color: var(--color-ink-80);
  font-size: var(--fs-body);
}
.nav__panel .btn { margin-top: var(--s-4); }

.nav.is-open .nav__panel { display: block; }

@media (min-width: 768px) {
  .nav__panel { display: none !important; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  background: var(--color-ink);
  color: var(--color-cream);
  overflow: hidden;
  position: relative;
}
.hero__inner {
  padding-block: var(--s-20);
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) {
  .hero__inner { padding-block: 8rem; }
}

.hero__content { max-width: 56rem; }

.hero__pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-full);
  padding: var(--s-1) var(--s-3);
  font-size: var(--fs-sm);
  color: var(--color-accent);
  margin-bottom: var(--s-8);
}
.hero__pill-dot {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero__title {
  font-size: var(--fs-hero);
  font-weight: var(--fw-bold);
  letter-spacing: -0.025em;
  line-height: var(--lh-tight);
  margin-bottom: var(--s-6);
}

.hero__subtitle {
  font-size: var(--fs-lead);
  color: var(--color-cream-75);
  line-height: var(--lh-relaxed);
  max-width: 40rem;
  margin-bottom: var(--s-10);
}
@media (min-width: 768px) {
  .hero__subtitle { font-size: 1.25rem; }
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
@media (min-width: 640px) {
  .hero__cta { flex-direction: row; }
}

/* Proof bar inside hero */
.proof {
  border-top: 1px solid var(--color-cream-10);
  background: rgba(13, 34, 64, 0.4);
}
.proof__inner {
  padding-block: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  font-size: var(--fs-sm);
  color: var(--color-cream-60);
  align-items: flex-start;
}
@media (min-width: 768px) {
  .proof__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--s-8);
  }
}
.proof__label {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--fs-xs);
  color: rgba(79, 195, 200, 0.8);
  font-weight: var(--fw-medium);
}
.proof__list {
  display: flex;
  flex-wrap: wrap;
  row-gap: var(--s-2);
  column-gap: var(--s-8);
}

/* ==========================================================================
   Cards grids (Problem, Services)
   ========================================================================== */

.cards {
  display: grid;
  gap: var(--s-8);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .cards--3 { grid-template-columns: repeat(3, 1fr); }
  .cards--2 { grid-template-columns: repeat(2, 1fr); }
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-ink-10);
  border-radius: var(--radius-lg);
  padding: var(--s-8);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.card__icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-2);
  margin-bottom: var(--s-5);
}
.card__icon svg { width: 1.25rem; height: 1.25rem; }
.card__title {
  font-weight: var(--fw-semibold);
  font-size: 1.125rem;
  margin-bottom: var(--s-3);
  line-height: var(--lh-snug);
}
.card__body {
  color: var(--color-ink-70);
  line-height: var(--lh-relaxed);
}

/* Variant for "Méthode" section — cream bg cards */
.card--cream {
  background: var(--color-cream);
}

/* ==========================================================================
   Méthode (numbered horizontal steps)
   ========================================================================== */

.method__list {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.step {
  background: var(--color-cream);
  border: 1px solid var(--color-ink-10);
  border-radius: var(--radius-lg);
  padding: var(--s-8);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
@media (min-width: 768px) {
  .step {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--s-8);
  }
}
.step__head {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}
@media (min-width: 768px) {
  .step__head {
    flex-direction: column;
    align-items: flex-start;
    width: 12rem;
    flex-shrink: 0;
  }
}
.step__num {
  width: 3rem;
  height: 3rem;
  background: var(--color-ink);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-bold);
  font-size: 1.125rem;
}
.step__title {
  font-weight: var(--fw-semibold);
  font-size: 1.25rem;
}
@media (min-width: 768px) {
  .step__title { margin-top: var(--s-3); }
}
.step__body {
  color: var(--color-ink-70);
  line-height: var(--lh-relaxed);
}
@media (min-width: 768px) {
  .step__body { padding-top: var(--s-3); }
}

/* ==========================================================================
   Offres (pricing)
   ========================================================================== */

.pricing {
  display: grid;
  gap: var(--s-6);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .pricing { grid-template-columns: repeat(2, 1fr); }
}

.plan {
  background: var(--color-white);
  border: 1px solid var(--color-ink-10);
  border-radius: var(--radius-xl);
  padding: var(--s-8);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.plan--highlight {
  background: var(--color-ink);
  color: var(--color-cream);
  border-color: var(--color-accent);
}
.plan__badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--color-accent);
  color: var(--color-ink);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  padding: 0.375rem var(--s-3);
  border-bottom-left-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.plan__kicker {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-2);
  margin-bottom: var(--s-2);
}
.plan--highlight .plan__kicker { color: var(--color-accent); }
.plan__name {
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  margin-bottom: var(--s-2);
}
.plan__desc {
  color: var(--color-ink-60);
}
.plan--highlight .plan__desc { color: var(--color-cream-70); }

.plan__price {
  display: flex;
  align-items: baseline;
  gap: var(--s-2);
  margin-top: var(--s-6);
}
.plan__price-amount {
  font-size: 2.25rem;
  font-weight: var(--fw-bold);
}
.plan__price-unit {
  color: var(--color-ink-60);
}
.plan--highlight .plan__price-unit { color: var(--color-cream-60); }

.plan__offer {
  font-size: var(--fs-xs);
  color: var(--color-accent);
  margin-top: var(--s-2);
  margin-bottom: var(--s-6);
}
.plan__features {
  margin-top: var(--s-8);
  margin-bottom: var(--s-8);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  color: var(--color-ink-80);
  flex-grow: 1;
}
.plan--highlight .plan__features { color: var(--color-cream-85); }
.plan__features li {
  display: flex;
  gap: var(--s-3);
  line-height: var(--lh-snug);
}
.plan__check {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-accent-2);
  flex-shrink: 0;
  margin-top: 0.125rem;
}
.plan--highlight .plan__check { color: var(--color-accent); }

.pricing__note {
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--color-ink-60);
  margin-top: var(--s-12);
  max-width: 48rem;
  margin-inline: auto;
  line-height: var(--lh-relaxed);
}

/* ==========================================================================
   Témoignages
   ========================================================================== */

.testimonial {
  background: var(--color-cream);
  border: 1px solid var(--color-ink-10);
  border-radius: var(--radius-lg);
  padding: var(--s-8);
}
.testimonial__quote-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-accent-2);
  margin-bottom: var(--s-4);
}
.testimonial__body {
  color: var(--color-ink-85);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--s-6);
}
.testimonial__footer {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}
.testimonial__avatar {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-ink);
  color: var(--color-cream);
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  flex-shrink: 0;
}
.testimonial__name { font-weight: var(--fw-semibold); }
.testimonial__role { font-size: var(--fs-sm); color: var(--color-ink-60); }

/* ==========================================================================
   À propos
   ========================================================================== */

.about {
  display: grid;
  gap: var(--s-12);
  align-items: flex-start;
}
@media (min-width: 768px) {
  .about {
    grid-template-columns: 2fr 3fr;
    gap: var(--s-12);
  }
}
.about__portrait {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-full);
  object-fit: cover;
  display: block;
  margin-bottom: var(--s-6);
  box-shadow: var(--shadow-md);
  border: 3px solid var(--color-white);
  outline: 2px solid var(--color-accent-border);
  outline-offset: 3px;
}
@media (min-width: 768px) {
  .about__portrait {
    width: 200px;
    height: 200px;
  }
}
.about__intro-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  line-height: var(--lh-snug);
  margin-bottom: var(--s-4);
}
.about__intro-body {
  color: var(--color-ink-70);
  line-height: var(--lh-relaxed);
}
.about__text {
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
  color: var(--color-ink-80);
  line-height: var(--lh-relaxed);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-top: var(--s-2);
}
.chip {
  background: var(--color-ink-5);
  color: var(--color-ink-70);
  font-size: var(--fs-xs);
  padding: 0.375rem var(--s-3);
  border-radius: var(--radius-full);
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.faq__item {
  background: var(--color-cream);
  border: 1px solid var(--color-ink-10);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.faq__summary {
  cursor: pointer;
  font-weight: var(--fw-semibold);
  padding: var(--s-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}
.faq__summary::-webkit-details-marker { display: none; }
.faq__summary:hover { background: var(--color-ink-5); }
.faq__chevron {
  width: 1.25rem;
  height: 1.25rem;
  color: rgba(10, 22, 40, 0.5);
  flex-shrink: 0;
  transition: transform var(--dur) var(--ease);
}
.faq__item[open] .faq__chevron { transform: rotate(180deg); }
.faq__body {
  padding: 0 var(--s-6) var(--s-6);
  color: var(--color-ink-70);
  line-height: var(--lh-relaxed);
}

/* ==========================================================================
   Final CTA
   ========================================================================== */

.final-cta {
  background: var(--color-ink);
  color: var(--color-cream);
  text-align: center;
}
.final-cta__title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  line-height: var(--lh-snug);
  margin-bottom: var(--s-6);
}
.final-cta__lead {
  font-size: var(--fs-lead);
  color: var(--color-cream-70);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--s-10);
  max-width: 40rem;
  margin-inline: auto;
}
.final-cta__trust {
  margin-top: var(--s-8);
  font-size: var(--fs-sm);
  color: var(--color-cream-50);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s-6) var(--s-6);
}
.final-cta__trust-item {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
}
.final-cta__trust-icon {
  width: 1rem;
  height: 1rem;
  color: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--color-ink-2);
  color: var(--color-cream-60);
  font-size: var(--fs-sm);
  padding: var(--s-12) 0;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--s-8);
}
@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
  }
}
.footer__brand {
  font-weight: var(--fw-bold);
  color: var(--color-cream);
  font-size: var(--fs-body);
  margin-bottom: var(--s-2);
}
.footer__tag {
  max-width: 32rem;
  line-height: var(--lh-relaxed);
}
.footer__meta {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
@media (min-width: 768px) {
  .footer__meta { align-items: flex-end; }
}
.footer__links {
  display: flex;
  gap: var(--s-4);
}
.footer__links a { transition: color var(--dur) var(--ease); }
.footer__links a:hover { color: var(--color-cream); }
.footer__legal { font-size: var(--fs-xs); color: var(--color-cream-40); }

/* ==========================================================================
   Fade-in on scroll (progressive enhancement)
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 600ms var(--ease), transform 600ms var(--ease);
  }
  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}