/* ========================================
   PAGE TRANSITIONS & REVEAL SYSTEM
   Shared across all AnyAndAll pages
   ======================================== */

/* --- Page entrance curtain --- */
.page-curtain {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--cream, #FAF6F0);
    pointer-events: none;
    transform: translateY(0);
    transition: transform 0.7s cubic-bezier(0.65, 0, 0.35, 1);
}

.page-curtain.reveal-page {
    transform: translateY(-100%);
}

/* Small accent strip at bottom of curtain for warmth */
.page-curtain::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        var(--sun, #F2C94C),
        var(--sky, #7BAFE2),
        var(--sepia, #C4A882)
    );
}

/* --- Scroll reveal: slide up (default) --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition:
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* --- Directional variants --- */
.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition:
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition:
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition:
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-left.visible,
.reveal-right.visible,
.reveal-scale.visible {
    opacity: 1;
    transform: translateX(0) scale(1);
}

/* --- Stagger delays --- */
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }
.reveal-delay-7 { transition-delay: 0.56s; }
.reveal-delay-8 { transition-delay: 0.64s; }

/* --- Hero cascade (page-load specific, no scroll needed) --- */
.hero-reveal {
    opacity: 0;
    transform: translateY(44px);
    animation: heroDrop 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-reveal:nth-child(1) { animation-delay: 0.45s; }
.hero-reveal:nth-child(2) { animation-delay: 0.60s; }
.hero-reveal:nth-child(3) { animation-delay: 0.75s; }
.hero-reveal:nth-child(4) { animation-delay: 0.90s; }
.hero-reveal:nth-child(5) { animation-delay: 1.05s; }

@keyframes heroDrop {
    0% {
        opacity: 0;
        transform: translateY(44px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Page-level hero (for inner pages like Services, FAQ, etc.) --- */
.page-hero-reveal {
    opacity: 0;
    transform: translateY(30px);
    animation: pageHeroDrop 0.75s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.page-hero-reveal:nth-child(1) { animation-delay: 0.35s; }
.page-hero-reveal:nth-child(2) { animation-delay: 0.48s; }
.page-hero-reveal:nth-child(3) { animation-delay: 0.61s; }

@keyframes pageHeroDrop {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- View Transitions API (cross-page morph) --- */
@view-transition {
    navigation: auto;
}

::view-transition-old(root) {
    animation: slideOut 0.35s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

::view-transition-new(root) {
    animation: slideIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.1s;
}

@keyframes slideOut {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(-20px); }
}

@keyframes slideIn {
    0% { opacity: 0; transform: translateY(24px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Nav logo persists across page transitions */
.nav-logo {
    view-transition-name: nav-logo;
}

/* --- Reduced motion: respect user preference --- */
@media (prefers-reduced-motion: reduce) {
    .page-curtain {
        transition: opacity 0.3s ease;
        transform: none !important;
    }
    .page-curtain.reveal-page {
        opacity: 0;
        transform: none !important;
    }

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        transition: opacity 0.4s ease;
        transform: none !important;
    }

    .reveal.visible,
    .reveal-left.visible,
    .reveal-right.visible,
    .reveal-scale.visible {
        opacity: 1;
    }

    .hero-reveal,
    .page-hero-reveal {
        animation-duration: 0.4s;
        transform: none !important;
    }

    @keyframes heroDrop {
        0% { opacity: 0; }
        100% { opacity: 1; }
    }

    @keyframes pageHeroDrop {
        0% { opacity: 0; }
        100% { opacity: 1; }
    }

    ::view-transition-old(root),
    ::view-transition-new(root) {
        animation-duration: 0.2s;
    }
}