/* =========================================================================
   Ecran d'accueil premium — overlay plein ecran, charte museale noir/or.
   Animations : fondu, montee, halos flottants, shimmer doré, slider.
   ========================================================================= */

.aw-welcome {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: radial-gradient(120% 120% at 50% 0%,
        #15110b 0%, #0a0a0a 55%, #000 100%);
    color: var(--museum-white, #fff);
    opacity: 0;
    transition: opacity .55s ease;
    /* Scroll vertical si le contenu depasse la hauteur d'ecran (mobile,
       petits viewports, slide 3 + CTA). Le fond reste fixe. */
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
/* Le fond anime ne scrolle pas avec le contenu */
.aw-welcome-bg { position: fixed; }
.aw-welcome[hidden] { display: none; }
.aw-welcome.is-visible { opacity: 1; }
.aw-welcome.is-leaving { opacity: 0; transform: scale(1.03); transition: opacity .5s ease, transform .5s ease; }

/* ---- Fond anime : halos dorés + grain ---- */
.aw-welcome-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.aw-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: .5;
    animation: aw-float 14s ease-in-out infinite;
}
.aw-orb-1 {
    width: 46vmax; height: 46vmax;
    top: -16vmax; left: -10vmax;
    background: radial-gradient(circle, color-mix(in srgb, var(--museum-gold, #c9a86a) 55%, transparent), transparent 70%);
}
.aw-orb-2 {
    width: 38vmax; height: 38vmax;
    bottom: -14vmax; right: -8vmax;
    background: radial-gradient(circle, color-mix(in srgb, #e8dcc4 40%, transparent), transparent 70%);
    animation-delay: -6s;
}
@keyframes aw-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(4vmax, 3vmax) scale(1.08); }
}
.aw-grain {
    position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 3px 3px;
    opacity: .5;
}

/* ---- Skip ---- */
.aw-welcome-skip {
    position: absolute;
    top: 22px; right: 26px;
    z-index: 3;
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--museum-white, #fff) 30%, transparent);
    color: color-mix(in srgb, var(--museum-white, #fff) 85%, transparent);
    padding: 9px 18px;
    font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
    cursor: pointer;
    transition: background .2s, border-color .2s, color .2s;
}
.aw-welcome-skip:hover {
    background: var(--museum-gold, #c9a86a); color: var(--museum-black, #0a0a0a);
    border-color: var(--museum-gold, #c9a86a);
}

/* ---- Scene ---- */
.aw-welcome-stage {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 760px;
    text-align: center;
}
.aw-welcome-brand {
    font-family: var(--font-display, "Cormorant Garamond", serif);
    font-size: 1.05rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: color-mix(in srgb, var(--museum-gold, #c9a86a) 90%, #fff);
    margin: 0 0 28px;
    opacity: 0;
    animation: aw-rise .8s ease .15s forwards;
}
.aw-welcome-brand-dot { color: var(--museum-white, #fff); }

.aw-gold { color: var(--museum-gold, #c9a86a); }

/* ---- Slider ---- */
.aw-slider { position: relative; min-height: 200px; }
.aw-slides { position: relative; }
.aw-slide {
    position: absolute; inset: 0;
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .6s ease, transform .6s ease;
    pointer-events: none;
}
.aw-slide.is-active {
    position: relative;
    opacity: 1;
    transform: none;
    pointer-events: auto;
}
.aw-slide-eyebrow {
    font-size: .76rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
    color: var(--museum-gold, #c9a86a);
    margin: 0 0 16px;
}
.aw-slide-title {
    font-family: var(--font-display, "Cormorant Garamond", serif);
    font-weight: 400;
    font-size: clamp(2rem, 6vw, 3.6rem);
    line-height: 1.1;
    letter-spacing: -.02em;
    margin: 0 0 18px;
    color: var(--museum-white, #fff);
}
.aw-slide-lead {
    font-size: clamp(1rem, 2.2vw, 1.18rem);
    line-height: 1.65;
    max-width: 560px;
    margin: 0 auto;
    color: color-mix(in srgb, var(--museum-white, #fff) 80%, transparent);
}
.aw-slide-lead strong { color: var(--museum-white, #fff); font-weight: 600; }
.aw-slide-link {
    display: inline-block;
    margin-top: 18px;
    color: var(--museum-gold, #c9a86a);
    font-weight: 600;
    font-size: .95rem;
    text-decoration: none;
    border-bottom: 1px solid color-mix(in srgb, var(--museum-gold, #c9a86a) 50%, transparent);
    padding-bottom: 2px;
    transition: color .2s, border-color .2s;
}
.aw-slide-link:hover { color: var(--museum-white, #fff); border-color: var(--museum-white, #fff); }

/* Controls */
.aw-slider-controls {
    display: flex; align-items: center; justify-content: center; gap: 18px;
    margin-top: 26px;
}
.aw-arrow {
    width: 40px; height: 40px;
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--museum-white, #fff) 28%, transparent);
    border-radius: 50%;
    color: var(--museum-white, #fff);
    font-size: 1.3rem; line-height: 1; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    transition: background .2s, border-color .2s, color .2s;
}
.aw-arrow:hover { background: var(--museum-gold, #c9a86a); color: var(--museum-black, #0a0a0a); border-color: var(--museum-gold, #c9a86a); }
.aw-dots { display: inline-flex; gap: 8px; }
.aw-dot {
    width: 8px; height: 8px; padding: 0;
    border-radius: 50%; border: none; cursor: pointer;
    background: color-mix(in srgb, var(--museum-white, #fff) 30%, transparent);
    transition: background .25s, transform .25s, width .25s;
}
.aw-dot.is-active { background: var(--museum-gold, #c9a86a); width: 22px; border-radius: 4px; }

/* ---- CTA qui etes-vous ---- */
.aw-welcome-cta {
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid color-mix(in srgb, var(--museum-gold, #c9a86a) 28%, transparent);
    opacity: 0;
    animation: aw-rise .8s ease .5s forwards;
}
.aw-cta-q {
    font-size: .95rem; letter-spacing: .04em;
    color: color-mix(in srgb, var(--museum-white, #fff) 85%, transparent);
    margin: 0 0 18px;
}
.aw-cta-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.aw-cta-btn {
    display: flex; flex-direction: column; align-items: center; gap: 5px;
    padding: 18px 12px;
    background: color-mix(in srgb, var(--museum-white, #fff) 5%, transparent);
    border: 1px solid color-mix(in srgb, var(--museum-gold, #c9a86a) 25%, transparent);
    color: var(--museum-white, #fff);
    cursor: pointer;
    transition: transform .2s, background .2s, border-color .2s, box-shadow .25s;
}
.aw-cta-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    background: var(--museum-gold, #c9a86a);
    color: var(--museum-black, #0a0a0a);
    border-color: var(--museum-gold, #c9a86a);
    box-shadow: 0 14px 34px rgba(0,0,0,.35);
}
.aw-cta-btn:disabled { opacity: .45; cursor: default; }
.aw-cta-btn.is-chosen {
    background: var(--museum-gold, #c9a86a) !important;
    color: var(--museum-black, #0a0a0a) !important;
    border-color: var(--museum-gold, #c9a86a) !important;
    opacity: 1 !important;
    transform: translateY(-3px);
}
.aw-cta-icon { font-size: 1.5rem; line-height: 1; }
.aw-cta-label { font-weight: 600; font-size: .95rem; }
.aw-cta-sub { font-size: .72rem; opacity: .7; }
/* Reassurance : portfolio gratuit a vie, interet galerie, interet collectionneur */
.aw-cta-note {
    margin-top: 4px;
    font-size: .66rem;
    line-height: 1.3;
    font-weight: 600;
    letter-spacing: .01em;
    color: var(--museum-gold, #c9a86a);
}
.aw-cta-btn:hover:not(:disabled) .aw-cta-note,
.aw-cta-btn.is-chosen .aw-cta-note {
    color: color-mix(in srgb, var(--museum-black, #0a0a0a) 80%, transparent);
}

@keyframes aw-rise {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
    .aw-cta-grid { grid-template-columns: repeat(2, 1fr); }
    .aw-welcome-skip { top: 14px; right: 14px; padding: 7px 14px; }
    .aw-welcome-stage { max-width: 100%; }
    .aw-slider { min-height: 240px; }
}
/* Viewports courts (mobile paysage, petits ecrans) : on aligne en haut
   + padding genereux pour que tout reste atteignable au scroll. */
@media (max-height: 760px), (max-width: 640px) {
    .aw-welcome { align-items: flex-start; padding: 64px 20px 40px; }
    .aw-welcome-stage { margin: auto 0; }
    .aw-welcome-brand { margin-bottom: 18px; }
    .aw-slider { min-height: 0; }
    .aw-slide { position: relative; }
    .aw-slide:not(.is-active) { display: none; }
    .aw-welcome-cta { margin-top: 28px; }
}

@media (prefers-reduced-motion: reduce) {
    .aw-orb { animation: none; }
    .aw-welcome, .aw-slide, .aw-cta-btn { transition: opacity .2s ease; }
    .aw-welcome-brand, .aw-welcome-cta { animation: none; opacity: 1; }
}