/* ===== ANIMATIONS CUSTOM ===== */

/* ===== NAVBAR + LOGO SCROLL ANIMATION (Best Practices 2025) ===== */
/* État normal (par défaut) */
nav {
    height: 88px;
    transition: height 0.3s ease;
}

#mobile-menu {
    top: 88px;
    transition: top 0.3s ease;
}

nav #mainLogo {
    font-size: 30px;
    transition: font-size 0.3s ease;
}

nav #mainLogo > span {
    font-size: inherit;
}

.letters-ura,
.letters-scend {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.second-a-wrapper {
    transition: transform 0.3s ease;
}

/* État scrollé - UNE SEULE CLASSE sur body contrôle TOUT */
body.scrolled nav {
    height: 60px;
}

body.scrolled #mobile-menu {
    top: 60px;
}

body.scrolled nav #mainLogo {
    font-size: 24px !important;
}

body.scrolled nav #mainLogo > span {
    font-size: inherit !important;
}

body.scrolled nav .letters-ura,
body.scrolled nav .letters-scend {
    opacity: 0;
}

body.scrolled nav .second-a-wrapper {
    transform: translateX(var(--logo-translate-distance, 0px));
}

body.scrolled nav .second-a::before {
    border-color: var(--green-safety) !important;
}

/* Réduction des rectangles en mode scrollé */
body.scrolled nav .first-a::before,
body.scrolled nav .second-a::before {
    top: -0.16em;
    left: -0.16em;
    right: -0.16em;
    bottom: -0.16em;
}

/* Barre de liaison entre les deux A en mode scrollé */
.first-a-wrapper::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 58%;
    transform: translateY(-50%);
    height: 0.1em;
    background-color: currentColor;
    opacity: 0;
    transition: opacity 0.3s ease, width 0.3s ease, left 0.3s ease;
    z-index: -2;
    width: 0;
    pointer-events: none;
}

body.scrolled nav .first-a-wrapper::after {
    opacity: 1;
    left: 50%;
    width: calc((var(--logo-translate-distance, 0px) * -1) - 100% - 0.11em);
}

/* Animation fade-in-up pour le titre Hero */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fade-in-up 1.5s ease forwards;
}

/* Animation fade-in-down pour le CTA Hero */
@keyframes fade-in-down {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-down {
    animation: fade-in-down 1s ease forwards;
}

/* Animation slide-in depuis la gauche pour le sous-titre Hero */
@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-slide-in-left {
    animation: slide-in-left 1s ease forwards;
}

/* Animation slide-in depuis la droite pour les CTAs */
@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-slide-in-right {
    animation: slide-in-right 1s ease forwards;
}

.animation-delay-100 {
    animation-delay: 0.2s;
}

.animation-delay-200 {
    animation-delay: 0.4s;
}

.animation-delay-300 {
    animation-delay: 0.6s;
}

.animation-delay-400 {
    animation-delay: 0.8s;
}

.animation-delay-500 {
    animation-delay: 1.0s;
}

.animation-delay-600 {
    animation-delay: 1.4s;
}

/* Animation check pour la checklist (section défi) */
/* Le container reste fixe, seul le symbole interne s'anime */
.check-symbol {
    --check-opacity: 0;
    --check-scale: 0;
    display: inline-block;
    opacity: var(--check-opacity);
    transform: scale(var(--check-scale)) scaleX(1);
    transition: opacity 0.1s ease, transform 0.1s ease;
    will-change: transform, opacity;
}

/* ===== SYSTÈME DE COINS AUTOMATIQUE ===== */
/* Les coins sont générés automatiquement via JavaScript (voir main.js) */
/* Le style des coins dépend de l'attribut data-corners */

/* Éléments avec coins - position relative requise */
[data-corners] {
    position: relative;
}

/* Style des spans de coins générés */
[data-corners] span[class^="corner-"] {
    position: absolute;
    border-style: solid;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

/* Coins bleus - petits (15px) pour nav-links */
[data-corners="blue-sm"] span[class^="corner-"] {
    width: 15px;
    height: 15px;
    border-color: var(--blue-tech);
}

[data-corners="blue-sm"] .corner-tl {
    top: -6px;
    left: -6px;
    border-width: 1px 0 0 1px;
}

[data-corners="blue-sm"] .corner-tr {
    top: -6px;
    right: -6px;
    border-width: 1px 1px 0 0;
}

[data-corners="blue-sm"] .corner-bl {
    bottom: -6px;
    left: -6px;
    border-width: 0 0 1px 1px;
}

[data-corners="blue-sm"] .corner-br {
    bottom: -6px;
    right: -6px;
    border-width: 0 1px 1px 0;
}

[data-corners="blue-sm"]:hover span[class^="corner-"] {
    opacity: 1;
}

/* Coins bleus - grands (20px) pour boutons hero */
[data-corners="blue"] span[class^="corner-"] {
    width: 20px;
    height: 20px;
    border-color: var(--blue-tech);
}

[data-corners="blue"] .corner-tl {
    top: -6px;
    left: -6px;
    border-width: 1px 0 0 1px;
}

[data-corners="blue"] .corner-tr {
    top: -6px;
    right: -6px;
    border-width: 1px 1px 0 0;
}

[data-corners="blue"] .corner-bl {
    bottom: -6px;
    left: -6px;
    border-width: 0 0 1px 1px;
}

[data-corners="blue"] .corner-br {
    bottom: -6px;
    right: -6px;
    border-width: 0 1px 1px 0;
}

[data-corners="blue"]:hover span[class^="corner-"] {
    opacity: 1;
}

/* Coins verts - petits (15px) pour footer-links */
[data-corners="green-sm"] span[class^="corner-"] {
    width: 15px;
    height: 15px;
    border-color: #10B981;
}

[data-corners="green-sm"] .corner-tl {
    top: -6px;
    left: -6px;
    border-width: 1px 0 0 1px;
}

[data-corners="green-sm"] .corner-tr {
    top: -6px;
    right: -6px;
    border-width: 1px 1px 0 0;
}

[data-corners="green-sm"] .corner-bl {
    bottom: -6px;
    left: -6px;
    border-width: 0 0 1px 1px;
}

[data-corners="green-sm"] .corner-br {
    bottom: -6px;
    right: -6px;
    border-width: 0 1px 1px 0;
}

[data-corners="green-sm"]:hover span[class^="corner-"] {
    opacity: 1;
}

/* Coins verts - grands (20px) pour cartes et vidéos */
[data-corners="green"] span[class^="corner-"] {
    width: 20px;
    height: 20px;
    border-color: #10B981;
    z-index: 10;
}

[data-corners="green"] .corner-tl {
    top: -6px;
    left: -6px;
    border-width: 1px 0 0 1px;
}

[data-corners="green"] .corner-tr {
    top: -6px;
    right: -6px;
    border-width: 1px 1px 0 0;
}

[data-corners="green"] .corner-bl {
    bottom: -6px;
    left: -6px;
    border-width: 0 0 1px 1px;
}

[data-corners="green"] .corner-br {
    bottom: -6px;
    right: -6px;
    border-width: 0 1px 1px 0;
}

[data-corners="green"]:hover span[class^="corner-"] {
    opacity: 1;
}


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