body {
    overflow-x: hidden;
    max-width: 100%;
}

/* Typographie */
.font-body {
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial;
}
.font-brand {
  font-family: "Montserrat", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-70px);
  } to {
    opacity: 1;
    transform: translateX(0);
    }
  }

.bg-nallte-card { background-color: var(--nallte-card); }
.border-nallte-border { border-color: var(--nallte-border); }
.text-nallte-cyan { color: var(--nallte-cyan); }
.text-nallte-indigo { color: var(--nallte-indigo); }
.text-nallte-lilas { color: var(--nallte-lilas); }
.bg-nallte-violet { background-color: var(--nallte-violet); }
.bg-nallte-cyan { background-color: var(--nallte-cyan); }
.bg-nallte-violet\/30 { background-color: rgba(76,29,149,0.30); }
.bg-nallte-cyan\/15 { background-color: rgba(0,229,255,0.15); }

.border-nallte-lilas\/40 { border-color: rgba(196,181,253,0.40); }
.border-nallte-lilas\/40 { border-color: rgba(196,181,253,0.40); }

.shadow-cyan-500\/20 {
  box-shadow: 0 10px 30px rgba(0,229,255,0.12);
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-70px);
  } to {
    opacity: 1;
    transform: translateX(0);
    }
}
.animate-slide-left {
  opacity: 0;
  animation: slideInLeft 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.delay-1 {
  animation-delay: 0.15s;
}
.delay-2 {
  animation-delay: 0.35s;
}
.delay-3 {
  animation-delay: 0.55s;
}
@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(35px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.animate-slide-up {
    animation: slide-up 0.8s ease-out both;
}
@keyframes expandLine {
  from {
    width: 0;
    opacity: 0;
    } to {
    width: 100%;
    opacity: 1;
  }
}
.tarifs-animation {
  opacity: 0;
  transform: translateX(60px);
  animation: arriveTarifs 0.3s ease-out 1.5s forwards;
}
.delay-1 {
  animation-delay: 0.15s;
}
.delay-2 {
  animation-delay: 1.5s;
}
@keyframes arriveTarifs {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.animate-line {
  width: 0;
  opacity: 0;
  animation: expandLine 0.8s ease-out forwards;
  animation-delay: 0.35s;
}
.ligne-gauche,
.ligne-droite {
    transform: scaleX(0);
    animation: etire-ligne 0.8s ease-out 0.3s forwards;
}
.ligne-gauche {
    transform-origin: right center;
}
.ligne-droite {
    transform-origin: left center;
}
@keyframes etire-ligne {
    to {
        transform: scaleX(1);
    }
}

::selection {
  background: var(--nallte-cyan);
  color: var(--nallte-indigo);
}
:focus {
    outline: none;
}
:focus-visible {
    outline: 2px solid var(--nallte-cyan);
    outline-offset: 4px;
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}

.flip-card {
    perspective: 1000px;
}
.flip-inner {
    transform-style: preserve-3d;
    transition: transform 0.65s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.flip-card:hover .flip-inner {
    transform: rotateY(180deg);
}
.flip-front,
.flip-back {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}
.flip-back {
    transform: rotateY(180deg);
}
@media (prefers-reduced-motion: reduce) {
    .flip-inner {
        transition: none;
    }
}

.side-menu.active nav a:nth-child(1) { transition-delay: 0.08s; }
.side-menu.active nav a:nth-child(2) { transition-delay: 0.14s; }
.side-menu.active nav a:nth-child(3) { transition-delay: 0.20s; }
.side-menu.active nav a:nth-child(4) { transition-delay: 0.26s; }
.side-menu.active nav a:nth-child(5) { transition-delay: 0.32s; }
.side-menu.active nav a:nth-child(6) { transition-delay: 0.38s; }
.side-menu.active nav a:nth-child(7) { transition-delay: 0.44s; }
.side-menu nav a:hover {
    color: var(--nallte-cyan);
}

.side-menu .client-menu-link {
    margin-top: 20px;
    padding: 13px;
    text-align: center;
    background: rgba(0,229,255,0.1);
    border: 1px solid var(--nallte-cyan);
    border-radius: 8px;
}

#siteHeader > div:first-child {
    transition: transform 0.65s cubic-bezier(0.65, 0, 0.35, 1);
}

#siteHeader.scrolled > div:first-child {
    transform: translateX(65px);
}

#siteHeader nav,
#siteHeader .client-link {
    transition: 
        opacity 0.55s ease,
        transform 0.65s cubic-bezier(0.65, 0, 0.35, 1),
        visibility 0.55s ease,
        filter 0.55s ease;
}
#siteHeader.scrolled nav,
#siteHeader.scrolled .client-link {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-65px) scale(0.85);
    filter: blur(4px);
}
.side-burger {
    opacity: 0;
    visibility: hidden;
    transform: translate(-100%, -50%);
    transition:
        transform 0.65s cubic-bezier(0.65, 0, 0.35, 1),
        opacity 0.55s ease,
        visibility 0.55s ease;
}
.side-burger.visible {
    opacity: 1;
    visibility: visible;
    transform: translate(0, -50%);
}
.side-burger i {
    display: inline-block;
    transition: transform 0.4s ease;
}
.side-burger.opened i {
    transform: rotate(90deg);
}
@media (max-width: 767px) {
    #siteHeader nav,
    #siteHeader .client-link {
        display: none !important;
    }
    #siteHeader > div:first-child {
        margin-left: 55px;
        transform: none;
    }
    #siteHeader.scrolled > div:first-child {
        transform: none;
    }
    .side-burger,
    .side-burger.visible {
        opacity: 1;
        visibility: visible;
        transform: translateY(-50%);
    }
}
.menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 125;
    background: rgba(0, 0, 0, 0.65);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}
.menu-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.side-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    padding: 25px;
    background: #0B1228;
    border-right: 1px solid var(--nallte-cyan);
    z-index: 130;
    display: flex;
    flex-direction: column;
    transform: translateX(-105%);
    visibility: hidden;
    opacity: 0;
    transition:
        transform 0.55s cubic-bezier(0.65, 0, 0.35, 1),
        opacity 0.4s ease,
        visibility 0.55s ease;
    overflow-y: auto;
}
.side-menu.active {
    transform: translateX(0);
    visibility: visible;
    opacity: 1;
}
.side-menu nav {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 35px;
}
.side-menu nav a {
    display: block;
    color: white;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    opacity: 0;
    transform: translateX(-20px);
    transition:
        opacity 0.4s ease,
        transform 0.4s ease,
        color 0.3s ease;
}
.side-menu.active nav a {
    opacity: 1;
    transform: translateX(0);
}
.side-menu nav a:hover {
    color: var(--nallte-cyan);
}
.side-menu .client-menu-link {
    margin-top: 20px;
    padding: 13px;
    text-align: center;
    background: rgba(0,229,255,0.1);
    border: 1px solid var(--nallte-cyan);
    border-radius: 8px;
}
#closeSideMenu {
    cursor: pointer;
    background: transparent;
    border: none;
}
.menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 125;
    background: rgba(0, 0, 0, 0.65);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}
.menu-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.side-burger {
    z-index: 140;
}
@media (max-width: 767px) {
    .side-menu {
        width: 300px;
        max-width: 85vw;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}