/**
 * Présentation produit auth — typographie éditoriale + parallax (scroll #auth-container).
 */

#auth-container .auth-container__scroll {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
}

.auth-container__hero {
    box-sizing: border-box;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: max(1.25rem, env(safe-area-inset-top, 0px)) 1.5rem max(1.5rem, env(safe-area-inset-bottom, 0px));
}

.auth-container__hero-inner {
    width: 100%;
    max-width: 26rem;
    margin: 0 auto;
    text-align: center;
}

.auth-container__scroll-hint {
    margin: 1.25rem auto 0;
    padding: 0;
    border: 0;
    background: none;
    color: rgba(255, 255, 255, 0.72);
    font-family: 'Raleway', system-ui, sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    animation: auth-showcase-hint-bob 2.4s ease-in-out infinite;
}

.auth-container__scroll-hint i {
    font-size: 1.25rem;
}

@keyframes auth-showcase-hint-bob {
    0%, 100% { transform: translateY(0); opacity: 0.72; }
    50% { transform: translateY(6px); opacity: 1; }
}

.auth-container__scroll-hint--top {
    margin: 0 auto;
    animation: auth-showcase-hint-bob-up 2.4s ease-in-out infinite;
}

@keyframes auth-showcase-hint-bob-up {
    0%, 100% { transform: translateY(0); opacity: 0.72; }
    50% { transform: translateY(-6px); opacity: 1; }
}

.auth-showcase-sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 25;
    padding: 1.25rem 1.5rem max(1.25rem, env(safe-area-inset-bottom, 0px));
    background: linear-gradient(
        180deg,
        rgba(30, 27, 75, 0) 0%,
        rgba(30, 27, 75, 0.75) 38%,
        rgba(15, 23, 42, 0.94) 100%
    );
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    pointer-events: none;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.32s cubic-bezier(0.16, 1, 0.3, 1), transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.auth-showcase-sticky-bar--visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.auth-showcase-sticky-bar__inner {
    width: 100%;
    max-width: 26rem;
    margin: 0 auto;
}

#auth-login-showcase {
    position: relative;
    width: 100%;
    max-width: 32rem;
    margin: 0 auto;
    padding: 3.5rem 0 calc(6rem + max(1rem, env(safe-area-inset-bottom, 0px)));
}

.auth-showcase__intro {
    margin: 0 0 2.5rem;
    padding: 0 1.75rem;
    font-family: 'Raleway', system-ui, sans-serif;
    font-size: clamp(0.8rem, 2.8vw, 0.95rem);
    font-weight: 800;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    text-align: center;
    color: rgba(255, 255, 255, 0.55);
}

.auth-showcase__block {
    position: relative;
    margin-bottom: clamp(3.5rem, 12vw, 5.5rem);
}

.auth-showcase__block--last {
    margin-bottom: 0;
}

.auth-showcase__media {
    position: relative;
    overflow: hidden;
    width: 80vw;
    aspect-ratio: 16 / 10;
    border-radius: 0;
    will-change: transform;
    isolation: isolate;
}

/* Fusion haut / bas avec le fond aurora : flou gaussien + teinte violette */
.auth-showcase__media::before,
.auth-showcase__media::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    z-index: 2;
    pointer-events: none;
    height: clamp(2.75rem, 18%, 5.25rem);
}

.auth-showcase__media::before {
    top: 0;
    backdrop-filter: blur(22px) saturate(1.12);
    -webkit-backdrop-filter: blur(22px) saturate(1.12);
    background: linear-gradient(
        180deg,
        rgba(91, 33, 182, 0.78) 0%,
        rgba(99, 102, 241, 0.32) 52%,
        transparent 100%
    );
    -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 38%, transparent 100%);
    mask-image: linear-gradient(180deg, #000 0%, #000 38%, transparent 100%);
}

.auth-showcase__media::after {
    bottom: 0;
    backdrop-filter: blur(22px) saturate(1.12);
    -webkit-backdrop-filter: blur(22px) saturate(1.12);
    background: linear-gradient(
        0deg,
        rgba(91, 33, 182, 0.78) 0%,
        rgba(124, 58, 237, 0.32) 52%,
        transparent 100%
    );
    -webkit-mask-image: linear-gradient(0deg, #000 0%, #000 38%, transparent 100%);
    mask-image: linear-gradient(0deg, #000 0%, #000 38%, transparent 100%);
}

.auth-showcase__block--left .auth-showcase__media {
    margin-left: calc(50% - 50vw);
    margin-right: auto;
    border-radius: 0 1.75rem 1.75rem 0;
}

.auth-showcase__block--right .auth-showcase__media {
    margin-left: auto;
    margin-right: calc(50% - 50vw);
    border-radius: 1.75rem 0 0 1.75rem;
}

.auth-showcase__media img {
    display: block;
    width: 100%;
    height: 120%;
    object-fit: cover;
    object-position: center;
    transform: translateY(-8%);
    will-change: transform;
    -webkit-mask-image: linear-gradient(
        180deg,
        transparent 0%,
        #000 12%,
        #000 88%,
        transparent 100%
    );
    mask-image: linear-gradient(
        180deg,
        transparent 0%,
        #000 12%,
        #000 88%,
        transparent 100%
    );
}

.auth-showcase__copy {
    position: relative;
    z-index: 1;
    padding: 1.75rem 1.75rem 0;
    will-change: transform;
}

.auth-showcase__block--left .auth-showcase__copy {
    margin-left: -0.35rem;
    text-align: left;
}

.auth-showcase__block--right .auth-showcase__copy {
    margin-right: -0.35rem;
    text-align: right;
}

.auth-showcase__headline {
    margin: 0 0 1rem;
    font-family: 'Raleway', system-ui, sans-serif;
    font-size: clamp(2.35rem, 11vw, 3.35rem);
    font-weight: 800;
    line-height: 0.98;
    letter-spacing: -0.045em;
    color: #fff;
    text-shadow: 0 8px 28px rgba(15, 23, 42, 0.22);
}

.auth-showcase__block--right .auth-showcase__headline {
    margin-left: auto;
    max-width: 16ch;
}

.auth-showcase__nowrap {
    white-space: nowrap;
}

.auth-showcase__block--left .auth-showcase__headline {
    max-width: 10ch;
}

.auth-showcase__lead {
    margin: 0;
    font-size: clamp(1.05rem, 4.2vw, 1.35rem);
    line-height: 1.5;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    max-width: 22rem;
}

.auth-showcase__block--right .auth-showcase__lead {
    margin-left: auto;
}

.auth-showcase__emph {
    display: inline;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(120deg, #fde68a 0%, #fbcfe8 45%, #c4b5fd 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

@media (max-width: 360px) {
    .auth-showcase__copy {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .auth-container__scroll-hint,
    .auth-container__scroll-hint--top {
        animation: none;
    }

    .auth-showcase__media,
    .auth-showcase__media img,
    .auth-showcase__copy {
        transform: none !important;
        will-change: auto;
    }
}