/* ==========================================================================
   SURVOL STUDIO — survol.css
   Studio créatif : web, drone, menus, merch.
   Palette « constellation sur velours noir ».
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Couleurs */
  --void:        #000000;
  --blanc:       #ffffff;
  --cendre:      #9a9a9a;
  --brume:       #bdbdbd;
  --iris:        #8052ff;
  --iris-clair:  #a98cff;
  --ambre:       #ffb829;
  --jade:        #15846e;

  /* Typographie */
  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --t-display: clamp(3.4rem, 10.6vw, 7.0625rem);
  --t-lg:      clamp(2.7rem, 7.2vw, 4.875rem);
  --t-h:       clamp(2.1rem, 4.6vw, 3rem);
  --t-sm:      clamp(1.9rem, 4vw, 2.625rem);
  --t-sub:     clamp(1.55rem, 3.1vw, 2.25rem);
  --t-xs:      clamp(1.4rem, 2.2vw, 1.6875rem);
  --t-2xs:     clamp(1.25rem, 1.8vw, 1.5rem);
  --t-body:    clamp(1rem, .55vw + .86rem, 1.125rem);
  --t-nav:     .875rem;
  --t-cap:     .75rem;

  --w-light:  200;
  --w-reg:    400;
  --w-med:    500;
  --w-semi:   600;

  /* Rythme — base 6px */
  --s-6:   6px;   --s-12: 12px;  --s-18: 18px;  --s-24: 24px;
  --s-30: 30px;   --s-36: 36px;  --s-60: 60px;  --s-96: 96px;
  --s-120: 120px;

  --page: 1280px;
  --gutter: clamp(20px, 5vw, 60px);
  --section: clamp(72px, 12vw, 160px);

  --r-24: 24px;
  --r-full: 9999px;

  /* Courbes */
  --ease:      cubic-bezier(.22, 1, .36, 1);
  --ease-out:  cubic-bezier(.16, 1, .3, 1);
  --ease-soft: cubic-bezier(.4, 0, .2, 1);

  color-scheme: dark;
}

/* --------------------------------------------------------------------------
   2. RESET
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  background: var(--void);
  color: var(--blanc);
  font-family: var(--font);
  font-size: var(--t-body);
  font-weight: var(--w-light);
  line-height: 1.5;
  font-feature-settings: 'ss01' on, 'cv11' on;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; padding: 0; }

:focus-visible {
  outline: 2px solid var(--ambre);
  outline-offset: 4px;
  border-radius: 4px;
}

::selection { background: var(--iris); color: var(--blanc); }

/* --------------------------------------------------------------------------
   3. UTILITAIRES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section); position: relative; }

.label {
  font-size: var(--t-nav);
  font-weight: var(--w-semi);
  letter-spacing: .35px;
  text-transform: uppercase;
  color: var(--ambre);
  display: inline-flex;
  align-items: center;
  gap: var(--s-12);
}
.label::before {
  content: '';
  width: 28px; height: 1px;
  background: currentColor;
  opacity: .55;
}

.display, .h-lg, .h, .h-sm {
  font-weight: var(--w-reg);
  line-height: 1.06;
  text-wrap: balance;
}
.display { font-size: var(--t-display); letter-spacing: -.04em; }
.h-lg    { font-size: var(--t-lg);      letter-spacing: -.04em; }
.h       { font-size: var(--t-h);       letter-spacing: -.035em; line-height: 1.1; }
.h-sm    { font-size: var(--t-sm);      letter-spacing: -.04em;  line-height: 1.15; }

.lede {
  font-size: var(--t-body);
  font-weight: var(--w-light);
  color: var(--brume);
  max-width: 52ch;
  line-height: 1.6;
}
.muted { color: var(--cendre); }
.amber { color: var(--ambre); }
.iris  { color: var(--iris-clair); }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

/* Lien fantôme : soulignement qui se dessine au survol */
.ghost-link {
  position: relative;
  font-size: var(--t-nav);
  font-weight: var(--w-med);
  letter-spacing: .02em;
  color: var(--blanc);
  padding-block: 4px;
  display: inline-block;
}
.ghost-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .55s var(--ease);
}
.ghost-link:hover { color: var(--ambre); }
.ghost-link:hover::after { transform: scaleX(1); transform-origin: left; }

/* Bouton pilule violet — action primaire unique */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--s-12);
  padding: 15px 26px;
  border-radius: var(--r-full);
  background: var(--iris);
  color: var(--blanc);
  font-size: var(--t-nav);
  font-weight: var(--w-semi);
  letter-spacing: .025em;
  text-transform: uppercase;
  overflow: hidden;
  isolation: isolate;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), color .45s var(--ease);
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(120% 140% at 50% 120%, var(--iris-clair) 0%, var(--iris) 60%);
  transform: translateY(101%);
  transition: transform .6s var(--ease);
}
.btn:hover::before { transform: translateY(0); }
.btn:hover { box-shadow: 0 0 0 1px rgba(160,130,255,.4), 0 18px 50px -18px var(--iris); }
.btn:active { transform: scale(.97); }
.btn__icon { transition: transform .5s var(--ease); flex: none; }
.btn:hover .btn__icon { transform: translate(3px, -3px); }

.btn--ghost {
  background: transparent;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.2);
}
.btn--ghost::before { background: var(--blanc); }
.btn--ghost:hover { color: var(--void); box-shadow: inset 0 0 0 1px var(--blanc); }

/* --------------------------------------------------------------------------
   4. CURSEUR PERSONNALISÉ — « le survol », signature de la marque
   -------------------------------------------------------------------------- */
.cursor { display: none; }

@media (hover: hover) and (pointer: fine) {
  .cursor {
    display: block;
    position: fixed;
    top: 0; left: 0;
    z-index: 9999;
    pointer-events: none;
    will-change: transform;
  }
  .cursor__dot {
    width: 6px; height: 6px;
    margin: -3px 0 0 -3px;
    border-radius: 50%;
    background: var(--ambre);
    transition: opacity .3s;
  }
  .cursor__ring {
    width: 42px; height: 42px;
    margin: -21px 0 0 -21px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.35);
    display: grid;
    place-items: center;
    transition: width .5s var(--ease), height .5s var(--ease),
                margin .5s var(--ease), background-color .5s var(--ease),
                border-color .5s var(--ease), opacity .3s;
  }
  .cursor__txt {
    font-size: 10px;
    font-weight: var(--w-semi);
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--blanc);
    opacity: 0;
    transform: scale(.6);
    transition: opacity .4s var(--ease), transform .4s var(--ease);
    white-space: nowrap;
  }
  body.cursor-hover .cursor__ring {
    width: 92px; height: 92px;
    margin: -46px 0 0 -46px;
    background: var(--iris);
    border-color: transparent;
  }
  body.cursor-hover .cursor__txt { opacity: 1; transform: scale(1); }
  body.cursor-hover .cursor__dot { opacity: 0; }
  body.cursor-idle .cursor { opacity: 0; }
}

/* --------------------------------------------------------------------------
   5. BARRE DE PROGRESSION DE SCROLL
   -------------------------------------------------------------------------- */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  z-index: 200;
  transform-origin: 0 50%;
  transform: scaleX(var(--scroll, 0));
  background: linear-gradient(90deg, var(--jade), var(--iris) 45%, var(--ambre));
}
@supports (animation-timeline: scroll()) {
  .progress {
    transform: scaleX(0);
    animation: grow linear both;
    animation-timeline: scroll(root block);
  }
  @keyframes grow { to { transform: scaleX(1); } }
}

/* --------------------------------------------------------------------------
   6. NAVIGATION
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 150;
  padding-block: var(--s-24);
  transition: padding .6s var(--ease);
}
.nav::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,.94) 0%, rgba(0,0,0,.62) 55%, transparent 100%);
  opacity: 0;
  transition: opacity .6s var(--ease);
  pointer-events: none;
}
.nav.is-scrolled { padding-block: var(--s-18); }
.nav.is-scrolled::before { opacity: 1; }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-24);
  position: relative;
}

.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand__mark { width: 34px; height: 34px; flex: none; transition: transform .7s var(--ease); }
.brand:hover .brand__mark { transform: translateY(-5px) rotate(-8deg); }
.brand__name { display: flex; flex-direction: column; line-height: 1; }
.brand__t1 { font-size: 17px; font-weight: var(--w-med); letter-spacing: -.02em; }
.brand__t2 { font-size: 9px; font-weight: var(--w-med); letter-spacing: .42em; color: var(--cendre); margin-top: 3px; }

.nav__links { display: flex; align-items: center; gap: var(--s-30); }

/* Effet « roll » au survol des liens de navigation */
.roll {
  position: relative;
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  font-size: var(--t-nav);
  font-weight: var(--w-semi);
  letter-spacing: .025em;
  text-transform: uppercase;
  color: var(--cendre);
  line-height: 1.25;
  transition: color .4s var(--ease);
}
.roll__in { display: block; transition: transform .55s var(--ease); }
.roll__out {
  position: absolute;
  inset: 0;
  display: block;
  color: var(--blanc);
  transform: translateY(100%);
  transition: transform .55s var(--ease);
}
.roll:hover { color: var(--blanc); }
.roll:hover .roll__in  { transform: translateY(-100%); }
.roll:hover .roll__out { transform: translateY(0); }

/* Burger mobile */
.burger { display: none; width: 44px; height: 44px; position: relative; }
.burger span {
  position: absolute;
  left: 11px;
  width: 22px; height: 1.5px;
  background: var(--blanc);
  transition: transform .5s var(--ease);
}
.burger span:nth-child(1) { top: 18px; }
.burger span:nth-child(2) { top: 25px; }
.burger[aria-expanded='true'] span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.burger[aria-expanded='true'] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   7. HERO
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: 150px var(--s-96);
  overflow: hidden;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero__inner { position: relative; z-index: 1; }
.hero__grid { max-width: 44rem; }
.hero .display { margin-block: var(--s-24) var(--s-30); }
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-24) var(--s-36);
  margin-top: var(--s-36);
}

.hero__scroll {
  position: absolute;
  left: var(--gutter);
  bottom: var(--s-30);
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--s-12);
  font-size: var(--t-cap);
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--cendre);
}
.hero__scroll i {
  display: block;
  width: 1px; height: 34px;
  background: linear-gradient(to bottom, var(--ambre), transparent);
  animation: drop 2.6s var(--ease-soft) infinite;
}
@keyframes drop {
  0%   { transform: scaleY(.25); transform-origin: top;    opacity: .3; }
  45%  { transform: scaleY(1);   transform-origin: top;    opacity: 1; }
  55%  { transform: scaleY(1);   transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0);   transform-origin: bottom; opacity: .2; }
}

@supports (animation-timeline: view()) {
  .hero__inner {
    animation: heroLift linear both;
    animation-timeline: view(block);
    animation-range: exit 0% exit 95%;
  }
  @keyframes heroLift { to { transform: translateY(-80px); opacity: .08; } }
}

/* --------------------------------------------------------------------------
   8. BANDEAU DÉFILANT
   -------------------------------------------------------------------------- */
.marquee {
  position: relative;
  padding-block: var(--s-30);
  overflow: hidden;
  border-block: 1px solid rgba(255,255,255,.07);
  --speed: 34s;
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: slide var(--speed) linear infinite;
  animation-play-state: running;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }

.marquee__group {
  display: flex;
  align-items: center;
  gap: var(--s-36);
  padding-right: var(--s-36);
  flex: none;
}
.marquee__item {
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  font-weight: var(--w-reg);
  letter-spacing: -.03em;
  white-space: nowrap;
  color: var(--blanc);
}
.marquee__sep { color: var(--iris); font-size: 1rem; flex: none; }
.marquee__item:nth-child(4n+3) { color: var(--cendre); }

/* --------------------------------------------------------------------------
   9. PRESTATIONS — lignes qui s'ouvrent au survol
   -------------------------------------------------------------------------- */
.svc { margin-top: var(--s-60); }

.svc__row { border-top: 1px solid rgba(255,255,255,.1); }
.svc__row:last-child { border-bottom: 1px solid rgba(255,255,255,.1); }

.svc__link {
  position: relative;
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--s-24);
  padding-block: var(--s-30);
  transition: opacity .5s var(--ease);
}
/* trait violet qui balaie la ligne */
.svc__link::before {
  content: '';
  position: absolute;
  left: 0; top: -1px;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--iris), var(--ambre));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .7s var(--ease);
}
.svc__link:hover::before { transform: scaleX(1); }

.svc__num {
  font-size: var(--t-cap);
  font-weight: var(--w-semi);
  letter-spacing: .2em;
  color: var(--cendre);
  padding-top: .8em;
  transition: color .5s var(--ease), transform .6s var(--ease);
}
.svc__link:hover .svc__num { color: var(--ambre); transform: translateY(-4px); }

.svc__body { min-width: 0; }
.svc__title {
  max-width: 24ch;
  display: block;
  font-size: var(--t-sm);
  font-weight: var(--w-reg);
  letter-spacing: -.04em;
  line-height: 1.12;
  text-wrap: balance;
  transition: transform .6s var(--ease);
}
.svc__link:hover .svc__title { transform: translateX(10px); }

.svc__wrap {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows .7s var(--ease), opacity .5s var(--ease);
}
.svc__reveal { display: block; overflow: hidden; }
.svc__desc {
  display: block;
  color: var(--brume);
  font-size: var(--t-body);
  font-weight: var(--w-light);
  line-height: 1.55;
  max-width: 54ch;
  padding-top: var(--s-12);
}
.svc__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: var(--s-18);
}
.svc__tag {
  font-size: 11px;
  font-weight: var(--w-med);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cendre);
  padding: 6px 13px;
  border-radius: var(--r-full);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.13);
  transition: color .45s var(--ease), box-shadow .45s var(--ease), transform .5s var(--ease);
}
.svc__link:hover .svc__tag { color: var(--blanc); box-shadow: inset 0 0 0 1px rgba(160,130,255,.5); }

.svc__arrow {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.16);
  color: var(--blanc);
  flex: none;
  overflow: hidden;
  position: relative;
  transition: background-color .5s var(--ease), box-shadow .5s var(--ease), transform .5s var(--ease);
}
.svc__arrow svg { transition: transform .5s var(--ease); }
.svc__link:hover .svc__arrow {
  background: var(--iris);
  box-shadow: inset 0 0 0 1px transparent;
  transform: rotate(45deg) scale(1.06);
}

/* Au survol d'une ligne, les autres s'effacent */
@media (hover: hover) and (pointer: fine) {
  .svc:has(.svc__link:hover) .svc__link:not(:hover) { opacity: .3; }
  .svc__wrap { grid-template-rows: 0fr; opacity: 0; }
  .svc__link:hover .svc__wrap,
  .svc__link:focus-visible .svc__wrap { grid-template-rows: 1fr; opacity: 1; }
}

/* Aperçu abstrait qui suit le curseur */
.svc-preview {
  position: fixed;
  top: 0; left: 0;
  z-index: 120;
  width: 272px; height: 190px;
  border-radius: var(--r-24);
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transform: translate3d(-50%, -50%, 0) scale(.82) rotate(-5deg);
  transition: opacity .45s var(--ease), transform .55s var(--ease);
  display: none;
}
@media (hover: hover) and (pointer: fine) and (min-width: 1200px) {
  .svc-preview { display: block; }
  .svc-preview.is-on { opacity: 1; transform: translate3d(-50%, -50%, 0) scale(1) rotate(0deg); }
}
.svc-preview__item {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity .4s var(--ease), transform .6s var(--ease);
}
.svc-preview__item.is-active { opacity: 1; transform: scale(1); }

/* --------------------------------------------------------------------------
   10. MÉTHODE — plan de vol
   -------------------------------------------------------------------------- */
.flight { position: relative; margin-top: var(--s-96); }
.flight__line {
  position: absolute;
  left: 27px; top: 8px; bottom: 8px;
  width: 1px;
  background: rgba(255,255,255,.12);
}
.flight__line i {
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  height: calc(var(--p, 0) * 100%);
  background: linear-gradient(to bottom, var(--iris), var(--ambre));
}
.flight__drone {
  position: absolute;
  left: 28px;
  top: calc(var(--p, 0) * 100%);
  width: 26px; height: 26px;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 0 14px rgba(128,82,255,.85));
  z-index: 2;
}
.flight__steps { display: grid; gap: clamp(40px, 7vw, 86px); }
.step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: var(--s-24);
  align-items: start;
}
.step__dot {
  width: 56px; height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--void);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.16);
  font-size: var(--t-cap);
  font-weight: var(--w-semi);
  letter-spacing: .12em;
  color: var(--cendre);
  transition: box-shadow .6s var(--ease), color .6s var(--ease), transform .6s var(--ease);
}
.step.in .step__dot { box-shadow: inset 0 0 0 1px var(--iris); color: var(--blanc); }
.step__t { font-size: var(--t-xs); font-weight: var(--w-reg); letter-spacing: -.02em; margin-bottom: var(--s-12); }
.step__d { color: var(--brume); font-weight: var(--w-light); max-width: 46ch; line-height: 1.6; }

/* --------------------------------------------------------------------------
   11. ENGAGEMENTS
   -------------------------------------------------------------------------- */
.pledge {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: var(--s-60) var(--s-36);
  margin-top: var(--s-60);
}
.pledge__n {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: var(--w-reg);
  letter-spacing: -.045em;
  line-height: 1;
  background: linear-gradient(120deg, var(--blanc) 25%, var(--iris-clair));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.pledge__t { margin-top: var(--s-12); font-size: var(--t-nav); font-weight: var(--w-semi);
  letter-spacing: .12em; text-transform: uppercase; color: var(--blanc); }
.pledge__d { margin-top: var(--s-6); color: var(--cendre); font-size: .9375rem; font-weight: var(--w-light); }

/* --------------------------------------------------------------------------
   12. CONTACT
   -------------------------------------------------------------------------- */
.contact { position: relative; }
.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-60) var(--s-96);
  margin-top: var(--s-60);
  align-items: start;
}
.contact__big {
  display: inline-flex;
  align-items: center;
  gap: var(--s-18);
  font-size: clamp(1.6rem, 3.4vw, 2.625rem);
  font-weight: var(--w-reg);
  letter-spacing: -.035em;
  line-height: 1.15;
  position: relative;
  padding-block: 6px;
  word-break: break-word;
}
.contact__big span { position: relative; display: inline-block; }
.contact__big span::after {
  content: '';
  position: absolute;
  left: 0; bottom: 2px;
  width: 100%; height: 1px;
  background: var(--ambre);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .6s var(--ease);
}
.contact__big:hover { color: var(--ambre); }
.contact__big:hover span::after { transform: scaleX(1); transform-origin: left; }
.contact__k {
  display: block;
  font-size: var(--t-cap);
  font-weight: var(--w-semi);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cendre);
  margin-bottom: var(--s-18);
}
.contact__item + .contact__item { margin-top: var(--s-60); }

/* --------------------------------------------------------------------------
   13. PIED DE PAGE
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: var(--s-60);
}
.footer__grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-36);
  align-items: center;
  justify-content: space-between;
}
.footer__links { display: flex; flex-wrap: wrap; gap: var(--s-24) var(--s-30); }
.footer__links a { font-size: .9375rem; color: var(--cendre); transition: color .4s var(--ease); }
.footer__links a:hover { color: var(--ambre); }
.footer__legal { width: 100%; color: var(--cendre); font-size: var(--t-cap); margin-top: var(--s-36); line-height: 1.7; }

/* --------------------------------------------------------------------------
   14. RÉVÉLATIONS AU SCROLL
   -------------------------------------------------------------------------- */
.js [data-reveal] {
  opacity: 0;
  transform: translate3d(0, var(--ry, 34px), 0);
  transition: opacity .95s var(--ease) var(--delay, 0ms),
              transform .95s var(--ease) var(--delay, 0ms);
}
.js [data-reveal].in { opacity: 1; transform: none; }

/* Titres découpés mot à mot */
.w-mask { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; }
.w-in {
  display: inline-block;
  transform: translateY(105%);
  transition: transform 1s var(--ease) var(--delay, 0ms);
}
.in .w-in, [data-split].in .w-in { transform: translateY(0); }
.js [data-split]:not(.in) .w-in { transform: translateY(105%); }

/* Ligne qui se trace */
.rule {
  height: 1px;
  background: rgba(255,255,255,.12);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s var(--ease);
}
.rule.in { transform: scaleX(1); }

/* --------------------------------------------------------------------------
   14 bis. TARIFS — trois formules, rien de plus
   -------------------------------------------------------------------------- */
.tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(218px, 1fr));
  gap: var(--s-60) var(--s-36);
  margin-top: var(--s-60);
}

.tier {
  position: relative;
  padding-top: var(--s-30);
  border-top: 1px solid rgba(255,255,255,.14);
  transition: transform .6s var(--ease);
}
.tier::before {
  content: '';
  position: absolute;
  left: 0; top: -1px;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--iris), var(--ambre));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .7s var(--ease);
}
.tier:hover { transform: translateY(-6px); }
.tier:hover::before { transform: scaleX(1); }
.tier--pack::before { transform: scaleX(1); }

.tier__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: var(--w-semi);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cendre);
  margin-bottom: var(--s-12);
}
.tier--pack .tier__tag { color: var(--ambre); }
.tier__n {
  font-size: var(--t-2xs);
  font-weight: var(--w-reg);
  letter-spacing: -.03em;
  line-height: 1.15;
}
.tier__p {
  font-size: clamp(2.4rem, 4.2vw, 3.1rem);
  font-weight: var(--w-reg);
  letter-spacing: -.05em;
  line-height: 1;
  margin: var(--s-18) 0 var(--s-12);
  background: linear-gradient(120deg, var(--blanc) 30%, var(--iris-clair));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: transform .6s var(--ease);
}
.tier:hover .tier__p { transform: translateX(4px); }
.tier__d {
  color: var(--brume);
  font-size: .9375rem;
  font-weight: var(--w-light);
  line-height: 1.55;
  max-width: 34ch;
}
.tier__l { display: grid; gap: 11px; margin-top: var(--s-24); }
.tier__l li {
  display: flex;
  gap: 12px;
  font-size: .9375rem;
  font-weight: var(--w-light);
  color: var(--brume);
  line-height: 1.45;
}
.tier__l i { color: var(--iris-clair); flex: none; font-style: normal; }
.tier--pack .tier__l i { color: var(--ambre); }

.tier__go {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: var(--s-30);
  font-size: var(--t-nav);
  font-weight: var(--w-semi);
  letter-spacing: .025em;
  text-transform: uppercase;
  color: var(--blanc);
  transition: color .4s var(--ease), gap .4s var(--ease);
}
.tier__go:hover { color: var(--ambre); gap: 16px; }

/* bandeau zone d'intervention */
.zone {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-12) var(--s-30);
  margin-top: var(--s-60);
  padding-top: var(--s-30);
  border-top: 1px solid rgba(255,255,255,.1);
}
.zone__k {
  font-size: var(--t-cap);
  font-weight: var(--w-semi);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cendre);
}
.zone__d {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-12);
}
.zone__d span {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 1.0625rem;
  font-weight: var(--w-reg);
  letter-spacing: -.02em;
}
.zone__d b {
  font-size: var(--t-cap);
  font-weight: var(--w-semi);
  letter-spacing: .14em;
  color: var(--ambre);
}
.zone__n {
  width: 100%;
  font-size: .875rem;
  font-weight: var(--w-light);
  color: var(--cendre);
}

/* note sous les tarifs */
.fineprint {
  margin-top: var(--s-36);
  font-size: .875rem;
  font-weight: var(--w-light);
  color: var(--cendre);
  max-width: 68ch;
  line-height: 1.7;
}


/* --------------------------------------------------------------------------
   14 ter. SUIVI — actualisations et abonnement
   -------------------------------------------------------------------------- */
.suivi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: var(--s-36);
  margin-top: var(--s-96);
}
.suivi__b {
  position: relative;
  padding-top: var(--s-24);
  border-top: 1px solid rgba(255,255,255,.14);
  transition: transform .6s var(--ease);
}
.suivi__b::before {
  content: '';
  position: absolute;
  left: 0; top: -1px;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--jade), var(--iris));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .7s var(--ease);
}
.suivi__b:hover { transform: translateY(-5px); }
.suivi__b:hover::before { transform: scaleX(1); }
.suivi__k {
  font-size: 11px;
  font-weight: var(--w-semi);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cendre);
}
.suivi__p {
  display: block;
  font-size: clamp(1.9rem, 3.2vw, 2.4rem);
  font-weight: var(--w-reg);
  letter-spacing: -.04em;
  line-height: 1.05;
  margin: var(--s-12) 0 var(--s-12);
  color: var(--blanc);
}
.suivi__p small { font-size: .45em; letter-spacing: 0; color: var(--cendre); }
.suivi__d { color: var(--brume); font-size: .9375rem; font-weight: var(--w-light); line-height: 1.6; max-width: 42ch; }

/* --------------------------------------------------------------------------
   14 quater. À LA CARTE — 30 options filtrables
   -------------------------------------------------------------------------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: var(--s-36);
}
.filters button {
  padding: 10px 18px;
  border-radius: var(--r-full);
  font-size: 12px;
  font-weight: var(--w-semi);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cendre);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.14);
  transition: color .4s var(--ease), box-shadow .4s var(--ease),
              background-color .4s var(--ease), transform .4s var(--ease);
}
.filters button:hover { color: var(--blanc); box-shadow: inset 0 0 0 1px rgba(160,130,255,.5); transform: translateY(-2px); }
.filters button[aria-pressed='true'] {
  color: var(--blanc);
  background: var(--iris);
  box-shadow: inset 0 0 0 1px transparent;
}

.opts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 0 var(--s-60);
  margin-top: var(--s-36);
}
.opt {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--s-18);
  padding: var(--s-18) 0;
  border-bottom: 1px solid rgba(255,255,255,.09);
  position: relative;
}
.opt::after {
  content: '';
  position: absolute;
  left: 0; bottom: -1px;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--iris), var(--ambre));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .6s var(--ease);
}
.opt:hover::after { transform: scaleX(1); }
.opt__n {
  display: block;
  font-size: 1.0625rem;
  font-weight: var(--w-reg);
  letter-spacing: -.02em;
  line-height: 1.25;
  transition: transform .5s var(--ease);
}
.opt:hover .opt__n { transform: translateX(6px); }
.opt__d {
  display: block;
  font-size: .875rem;
  font-weight: var(--w-light);
  color: var(--cendre);
  line-height: 1.5;
  margin-top: 5px;
  transition: color .5s var(--ease), transform .5s var(--ease);
}
.opt:hover .opt__d { color: var(--brume); transform: translateX(6px); }
.opt__p {
  font-size: 1.0625rem;
  font-weight: var(--w-med);
  letter-spacing: -.02em;
  color: var(--blanc);
  white-space: nowrap;
  transition: color .45s var(--ease);
}
.opt:hover .opt__p { color: var(--ambre); }

.opts__empty { color: var(--cendre); padding: var(--s-30) 0; }
/* --------------------------------------------------------------------------
   15. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .nav__links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--s-30);
    padding: var(--s-96) var(--gutter);
    background: var(--void);
    clip-path: inset(0 0 100% 0);
    transition: clip-path .8s var(--ease);
    z-index: -1;
  }
  .nav__links.is-open { clip-path: inset(0 0 0 0); }
  .nav__links .roll { font-size: var(--t-sub); text-transform: none; letter-spacing: -.02em; color: var(--blanc); }
  .nav__links .btn { margin-top: var(--s-18); }
  .burger { display: block; z-index: 2; }
  .nav.is-open::before { opacity: 1; }
}

@media (max-width: 720px) {
  .svc__link { grid-template-columns: 44px minmax(0, 1fr); gap: var(--s-12) var(--s-18); }
  .svc__arrow { display: none; }
  .svc__title { font-size: var(--t-sub); }
  .step { grid-template-columns: 44px minmax(0, 1fr); }
  .step__dot { width: 44px; height: 44px; }
  .flight__line { left: 21.5px; }
  .flight__drone { left: 22px; width: 22px; height: 22px; }
  .hero { padding-block: 130px var(--s-96); min-height: auto; }
  .hero__scroll { display: none; }
  .contact__item + .contact__item { margin-top: var(--s-36); }
}

/* --------------------------------------------------------------------------
   16. MOUVEMENT RÉDUIT — on retire tout ce qui bouge
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .js [data-split] .w-in { transform: none; }
  .marquee__track { animation: none; }
  .cursor { display: none !important; }
  .svc__wrap { grid-template-rows: 1fr !important; opacity: 1 !important; }
  .opt { opacity: 1 !important; transform: none !important; }
}

/* --------------------------------------------------------------------------
   17. IMPRESSION
   -------------------------------------------------------------------------- */
@media print {
  .nav, .cursor, .progress, .hero__canvas, .hero__scroll, .marquee, .svc-preview { display: none !important; }
  body { background: #fff; color: #000; }
  .lede, .muted, .svc__desc, .step__d { color: #333; }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; }
  .js [data-split] .w-in { transform: none !important; }
  .svc__wrap { grid-template-rows: 1fr !important; opacity: 1 !important; }
  .opt { opacity: 1 !important; transform: none !important; }
  a { color: #000; }
}

/* Transitions entre pages, là où c'est supporté */
@view-transition { navigation: auto; }

/* --------------------------------------------------------------------------
   18. AJUSTEMENTS PILOTÉS PAR LE SCRIPT
   -------------------------------------------------------------------------- */
@media (hover: hover) and (pointer: fine) {
  .cursor__dot, .cursor__ring { position: absolute; top: 0; left: 0; }
}

/* Le bandeau s'incline selon la vitesse de défilement */
.marquee__item, .marquee__sep {
  transform: skewX(var(--skew, 0deg));
  transition: transform .55s var(--ease-out);
}

/* Boutons magnétiques */
.btn { transform: translate3d(var(--mx, 0), var(--my, 0), 0); }
.btn:active { transform: translate3d(var(--mx, 0), var(--my, 0), 0) scale(.97); }

/* Sur petit écran la constellation passe derrière le texte, en retrait */
@media (max-width: 900px) {
  .hero__canvas { opacity: .5; }
}