/* ==========================================================================
   HERO — Monogramme, filigrane, contenu
   ========================================================================== */

.hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: hidden;
    background: var(--color-paper);
    isolation: isolate;
}

/* ---- Logo top-left (apparaît en fin d'anim) ---- */
.hero__logo {
    position: absolute;
    top: var(--sp-3);
    left: var(--gutter);
    height: 44px;
    width: auto;
    aspect-ratio: 917.13 / 1128.84;
    z-index: 10;
    color: var(--color-red);
    display: grid;
    place-items: center;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity var(--dur-base) var(--ease-out-expo),
                transform var(--dur-base) var(--ease-out-expo);
    border-radius: var(--radius-sm);
}

.hero__logo-mark {
    width: 100%;
    height: 100%;
    display: block;
}

.hero__logo:hover,
.hero__logo:focus-visible {
    transform: scale(0.9);
}

.hero[data-phase="final"] .hero__logo,
.hero[data-phase="skip"] .hero__logo {
    opacity: 1;
    transform: scale(1);
}

/* ---- Grille filigrane Warhol inclinée ---- */
.hero__watermark {
    position: absolute;
    /* Surdimensionnée pour combler les coins après rotation */
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(var(--cols, 6), 1fr);
    grid-template-rows: repeat(var(--rows, 9), 1fr);
    gap: 0;
    pointer-events: none;
    /* Inclinaison identique au filigrane papier de Luc — D018 */
    transform: rotate(-22deg);
    transform-origin: center center;
    transform-style: preserve-3d;
    opacity: 1;
    transition:
        opacity 800ms var(--ease-out-expo),
        transform 600ms var(--ease-out-expo);
}

/* État final : filigrane Warhol reste perceptible (pas 0.06 — palette vive) */
.hero[data-phase="final"] .hero__watermark,
.hero[data-phase="skip"] .hero__watermark {
    opacity: 0.45;
}

/* Tuile individuelle */
.hero__tile {
    position: relative;
    display: grid;
    place-items: center;
    overflow: hidden;

    /* État initial : invisible et réduit */
    opacity: 0;
    transform: scale(0);

    /* Transitions vers état visible */
    transition:
        opacity 500ms var(--ease-out-expo),
        transform 600ms var(--ease-out-expo);

    will-change: transform, opacity;
}

.hero__tile[data-revealed="true"] {
    opacity: 1;
    transform: scale(1);
}

.hero__tile-mark {
    width: 80%;
    height: 80%;
    display: block;
}

/* ---- Contenu ---- */
.hero__content {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding-block: calc(var(--sp-6) + 44px) var(--sp-5);
    pointer-events: none;
    /* Voile crème pour lisibilité du texte sur grille Warhol saturée */
    background: linear-gradient(
        to right,
        var(--color-paper) 0%,
        rgba(245, 245, 242, 0.92) 40%,
        rgba(245, 245, 242, 0.4) 70%,
        rgba(245, 245, 242, 0) 100%
    );
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

@media (max-width: 767px) {
    .hero__content {
        background: linear-gradient(
            to bottom,
            var(--color-paper) 0%,
            rgba(245, 245, 242, 0.95) 60%,
            rgba(245, 245, 242, 0.4) 100%
        );
    }
}

.hero__content > * {
    pointer-events: auto;
}

/* Les éléments sont masqués avant la phase "final" */
.hero__title,
.hero__lead,
.hero__countries,
.hero__scroll {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 700ms var(--ease-out-expo),
                transform 700ms var(--ease-out-expo);
}

.hero[data-phase="final"] .hero__title,
.hero[data-phase="final"] .hero__lead,
.hero[data-phase="final"] .hero__countries,
.hero[data-phase="final"] .hero__scroll,
.hero[data-phase="skip"] .hero__title,
.hero[data-phase="skip"] .hero__lead,
.hero[data-phase="skip"] .hero__countries,
.hero[data-phase="skip"] .hero__scroll {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger d'apparition (via delays) */
.hero[data-phase="final"] .hero__title     { transition-delay: 0ms; }
.hero[data-phase="final"] .hero__lead      { transition-delay: 150ms; }
.hero[data-phase="final"] .hero__countries { transition-delay: 300ms; }
.hero[data-phase="final"] .hero__scroll    { transition-delay: 500ms; }

/* ---- Typographies hero ---- */
.hero__title {
    display: flex;
    flex-wrap: wrap;
    gap: 0 0.25em;
    margin-bottom: var(--sp-3);
    padding-bottom: 0.15em;
}

.hero__word {
    display: inline-block;
    padding-bottom: 0.15em;
}

.hero__word > span {
    display: inline-block;
}

.hero__lead {
    max-width: 22ch;
    margin-bottom: var(--sp-4);
    color: var(--color-ink);
}

.hero__countries {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-2);
    color: var(--color-mute);
    text-transform: uppercase;
    letter-spacing: var(--ls-ultra);
    margin-bottom: var(--sp-4);
}

.hero__countries .dot {
    opacity: 0.5;
}

.hero__countries .accent {
    color: var(--color-red);
}

/* ---- Scroll indicator ---- */
.hero__scroll {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-top: auto;
}

.hero__scroll-line {
    display: block;
    width: 48px;
    height: 1px;
    background: var(--color-ink);
    animation: scroll-pulse 2s infinite;
    transform-origin: left;
}

@keyframes scroll-pulse {
    0%, 100% { transform: scaleX(0.3); opacity: 0.4; }
    50%      { transform: scaleX(1);   opacity: 1; }
}

/* ---- Responsive ---- */
@media (min-width: 768px) {
    .hero__logo {
        height: 56px;
        width: auto;
        top: var(--sp-4);
    }

    .hero__content {
        padding-block: calc(var(--sp-7) + 56px) var(--sp-6);
    }

    .hero__lead {
        max-width: 32ch;
    }

    .hero__countries {
        gap: var(--sp-3);
        font-size: var(--fs-sm);
    }
}

@media (min-width: 1200px) {
    .hero__content {
        padding-block: var(--sp-8);
        justify-content: center;
    }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
    .hero__scroll-line {
        animation: none;
    }
}

/* ==========================================================================
   SECTIONS placeholders (temp pour voir le reste du flux)
   ========================================================================== */

.section--placeholder {
    min-height: 40vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--sp-3);
    padding-block: var(--sp-7);
    border-top: 1px solid var(--color-line);
}

.section__placeholder-note {
    font-family: var(--font-body);
    color: var(--color-mute);
    font-size: var(--fs-sm);
}