/* style.css
   Layout + animations du template Allure "site immersif".
   Mobile-first. Aucun texte ni valeur de niche en dur ici : toute la
   personnalisation (couleurs, fonts, tailles) vient de config-niche.css.
*/

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

html {
  scroll-behavior: smooth;
}

html.no-smooth-scroll {
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.kicker {
  display: block;
  font-size: 0.8rem;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--size-h2);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  line-height: 1.15;
  margin: 0 0 1.5rem;
}

.lead {
  font-size: var(--size-lead);
  color: var(--color-fg-muted);
  max-width: 46ch;
  margin: 0 0 1.5rem;
}

/* --- Header --- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--container-pad);
  background: transparent;
  transition: background-color var(--dur-medium) var(--ease-cinematic),
    backdrop-filter var(--dur-medium) var(--ease-cinematic);
}

.site-header.is-scrolled {
  background-color: var(--color-overlay-strong);
  backdrop-filter: blur(8px);
}

.brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: var(--tracking-wider);
  text-decoration: none;
  text-transform: uppercase;
}

.header-cta {
  font-size: 0.75rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--color-border);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-fast) var(--ease-cinematic),
    color var(--dur-fast) var(--ease-cinematic);
}

.header-cta:hover,
.header-cta:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --- Video de fond generique (utilisee par plusieurs sections) --- */
.media-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.media-bg video,
.media-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
}

.media-bg--strong::after {
  background: var(--color-overlay-strong);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 var(--container-pad);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--size-h1);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  margin: 0 0 1rem;
}

.hero__subtitle {
  font-size: var(--size-lead);
  color: var(--color-fg-muted);
  max-width: 40ch;
  margin: 0 auto 2.5rem;
}

.hero__scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 2.5rem;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-fg-muted);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scroll-cue 2.2s var(--ease-cinematic) infinite;
}

@keyframes scroll-cue {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
  50.01% {
    transform-origin: bottom;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}

/* --- Boutons --- */
.btn {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  padding: 1rem 2.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-accent);
  color: var(--color-bg);
  background: var(--color-accent);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-cinematic),
    background-color var(--dur-fast) var(--ease-cinematic);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  background-color: var(--color-accent-dim);
}

.btn--outline {
  background: transparent;
  color: var(--color-fg);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* --- Section generique --- */
section {
  position: relative;
}

.section-inner {
  padding: var(--section-padding-y) 0;
}

/* --- Showcase --- */
.showcase {
  background: var(--color-bg);
}

.showcase__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.showcase__media {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.showcase__media video,
.showcase__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showcase__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.showcase__list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  color: var(--color-fg-muted);
}

.showcase__list li {
  padding-left: 1.5rem;
  position: relative;
}

.showcase__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 1px;
  background: var(--color-accent);
}

@media (min-width: 900px) {
  .showcase__grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

/* --- Storytelling --- */
.storytelling {
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--color-fg);
  overflow: hidden;
}

.storytelling__blocks {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: clamp(4rem, 12vw, 9rem);
  padding: var(--section-padding-y) 0;
}

.storytelling__block {
  max-width: 42ch;
}

.storytelling__block:nth-child(even) {
  margin-left: auto;
  text-align: right;
}

.storytelling__block p {
  color: var(--color-fg-muted);
  font-size: var(--size-lead);
}

/* --- Preuve sociale --- */
.social-proof {
  background: var(--color-bg-alt);
}

.social-proof__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 700px) {
  .social-proof__stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat {
  text-align: center;
  padding: 1.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.stat__label {
  font-size: 0.75rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-fg-muted);
}

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

@media (min-width: 900px) {
  .testimonials {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial {
  padding: 2rem;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.testimonial p {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.5;
  margin: 0 0 1.25rem;
}

.testimonial cite {
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-fg-muted);
}

/* --- CTA --- */
.cta {
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.cta__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 3rem;
  padding: var(--section-padding-y) 0;
}

@media (min-width: 900px) {
  .cta__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.cta__form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 2.25rem;
  background: var(--color-overlay-strong);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field label {
  font-size: 0.75rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-fg-muted);
}

.form-field input,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-fg);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-field textarea {
  resize: vertical;
  min-height: 90px;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem var(--container-pad);
  text-align: center;
  color: var(--color-fg-muted);
  font-size: 0.8rem;
}

.site-footer a {
  text-decoration: none;
  color: var(--color-fg-muted);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--color-accent);
}

.footer-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 0 0 1rem;
  padding: 0;
  flex-wrap: wrap;
}

/* --- Reveal au scroll (etat par defaut = visible sans JS) --- */
.reveal {
  opacity: 1;
  transform: none;
}

/* --- Respect prefers-reduced-motion --- */
@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;
    scroll-behavior: auto !important;
  }
}