/* =============================================================
   HIMALAYAN HOMESTAY — MOTION & ANIMATION SYSTEM
   Pure CSS (no external libraries)
   Works with animations.js (Intersection Observer)
   ============================================================= */

/* ── Animation Tokens ─────────────────────────────────────────── */
:root {
    --anim-dur-micro:  200ms;
    --anim-dur-fast:   300ms;
    --anim-dur-base:   500ms;
    --anim-dur-slow:   700ms;

    --anim-ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
    --anim-ease-in:     cubic-bezier(0.64, 0, 0.78, 0);
    --anim-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --anim-ease-smooth: cubic-bezier(0.4,  0, 0.2, 1);

    /* Stagger offset */
    --stagger-step: 80ms;
}


/* ═══════════════════════════════════════════════════════════════
   1. SCROLL REVEAL SYSTEM
   ═══════════════════════════════════════════════════════════════ */

/* Base hidden states */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition:
        opacity  var(--anim-dur-base) var(--anim-ease-out),
        transform var(--anim-dur-base) var(--anim-ease-out);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-36px);
    transition:
        opacity  var(--anim-dur-base) var(--anim-ease-out),
        transform var(--anim-dur-base) var(--anim-ease-out);
}

.reveal-right {
    opacity: 0;
    transform: translateX(36px);
    transition:
        opacity  var(--anim-dur-base) var(--anim-ease-out),
        transform var(--anim-dur-base) var(--anim-ease-out);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.90);
    transition:
        opacity  var(--anim-dur-base) var(--anim-ease-out),
        transform var(--anim-dur-base) var(--anim-ease-out);
}

.reveal-fade {
    opacity: 0;
    transition: opacity var(--anim-dur-slow) var(--anim-ease-out);
}

/* Visible state — toggled by Intersection Observer */
.reveal.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible,
.reveal-scale.is-visible,
.reveal-fade.is-visible {
    opacity: 1;
    transform: none;
}


/* ── Stagger Delays ─────────────────────────────────────────── */
.stagger-1 { transition-delay: calc(var(--stagger-step) * 0); }
.stagger-2 { transition-delay: calc(var(--stagger-step) * 1); }
.stagger-3 { transition-delay: calc(var(--stagger-step) * 2); }
.stagger-4 { transition-delay: calc(var(--stagger-step) * 3); }
.stagger-5 { transition-delay: calc(var(--stagger-step) * 4); }
.stagger-6 { transition-delay: calc(var(--stagger-step) * 5); }
.stagger-7 { transition-delay: calc(var(--stagger-step) * 6); }
.stagger-8 { transition-delay: calc(var(--stagger-step) * 7); }


/* ═══════════════════════════════════════════════════════════════
   2. HERO ENTRANCE ANIMATIONS (page load — no JS needed)
   ═══════════════════════════════════════════════════════════════ */

@keyframes hhb-fade-up {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0);    }
}

@keyframes hhb-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Hero staggered entrance — badge → h1 → subtitle → search → buttons */
.hhb-hero-badge {
    animation: hhb-fade-up var(--anim-dur-slow) var(--anim-ease-out) 0.05s both;
}
.hhb-fp-hero h1 {
    animation: hhb-fade-up var(--anim-dur-slow) var(--anim-ease-out) 0.20s both;
}
.hhb-fp-hero-sub {
    animation: hhb-fade-up var(--anim-dur-slow) var(--anim-ease-out) 0.35s both;
}
.hhb-fp-search-bar {
    animation: hhb-fade-up var(--anim-dur-slow) var(--anim-ease-out) 0.50s both;
}
.hhb-fp-hero .hhb-hero-btn-primary,
.hhb-fp-hero .hhb-hero-btn-outline {
    animation: hhb-fade-up var(--anim-dur-slow) var(--anim-ease-out) 0.65s both;
}
.hhb-fp-hero-overlay,
.hhb-fp-hero-glow,
.hhb-fp-hero-mist {
    animation: hhb-fade-in 1.4s var(--anim-ease-out) 0s both;
}

/* Hero parallax background — transform driven by JS */
.hhb-fp-hero-bg {
    will-change: transform;
}


/* ═══════════════════════════════════════════════════════════════
   3. TRUST CARDS — Spring Lift Micro-interaction
   ═══════════════════════════════════════════════════════════════ */

.hhb-trust-card {
    transition:
        transform  var(--anim-dur-fast) var(--anim-ease-spring),
        box-shadow var(--anim-dur-fast) var(--anim-ease-out) !important;
    cursor: default;
}

.hhb-trust-card:hover {
    transform: translateY(-10px) !important;
    box-shadow:
        0 20px 40px rgba(232, 94, 48, 0.10),
        0  6px 16px rgba(0, 0, 0, 0.06) !important;
}

/* Icon pulse on card hover */
.hhb-trust-card:hover .hhb-trust-icon {
    transform: scale(1.15);
    background: #e85e30;
    color: #fff;
}
.hhb-trust-icon {
    transition:
        transform  var(--anim-dur-fast) var(--anim-ease-spring),
        background var(--anim-dur-micro) var(--anim-ease-out),
        color      var(--anim-dur-micro) var(--anim-ease-out);
}


/* ═══════════════════════════════════════════════════════════════
   4. FEATURED STAYS — Card Depth Effect
   ═══════════════════════════════════════════════════════════════ */

/* The article.group cards in front-page.php */
.hhb-fp-section article.group {
    transition:
        transform  var(--anim-dur-fast) var(--anim-ease-spring) !important,
        box-shadow var(--anim-dur-fast) var(--anim-ease-out)    !important;
    will-change: transform;
}

.hhb-fp-section article.group:hover {
    transform: translateY(-8px) !important;
    box-shadow:
        0 28px 48px rgba(0, 0, 0, 0.10),
        0  8px 20px rgba(232, 94, 48, 0.08) !important;
}

/* Image zoom smoothed */
.hhb-fp-section article.group img {
    transition: transform 0.8s var(--anim-ease-out) !important;
}

/* CTA button inside card — spring press */
.hhb-fp-section article.group a:last-child {
    transition:
        background var(--anim-dur-micro) var(--anim-ease-out),
        color      var(--anim-dur-micro) var(--anim-ease-out),
        transform  var(--anim-dur-micro) var(--anim-ease-out) !important;
}
.hhb-fp-section article.group a:last-child:active {
    transform: scale(0.97);
}


/* ═══════════════════════════════════════════════════════════════
   5. DESTINATION CARDS — Overlay Reveal
   ═══════════════════════════════════════════════════════════════ */

.hhb-dest-card {
    transition: transform var(--anim-dur-fast) var(--anim-ease-spring) !important;
}
.hhb-dest-card:hover {
    transform: scale(1.03) !important;
}
.hhb-dest-card img {
    transition: transform 0.9s var(--anim-ease-out) !important;
}
.hhb-dest-card:hover img {
    transform: scale(1.12) !important;
}
.hhb-dest-card-overlay {
    transition: background 0.5s var(--anim-ease-out);
}
.hhb-dest-card:hover .hhb-dest-card-overlay {
    background: linear-gradient(
        180deg,
        rgba(232, 94, 48, 0.10) 0%,
        rgba(0, 0, 0, 0.82) 100%
    );
}

/* Destination label slide up on hover */
.hhb-dest-card-overlay > * {
    transition: transform var(--anim-dur-fast) var(--anim-ease-out);
}
.hhb-dest-card:hover .hhb-dest-card-overlay > * {
    transform: translateY(-4px);
}


/* ═══════════════════════════════════════════════════════════════
   6. STEPS — Number Pulse + Sequential Connector
   ═══════════════════════════════════════════════════════════════ */

.hhb-step-num {
    transition:
        transform  var(--anim-dur-fast) var(--anim-ease-spring),
        box-shadow var(--anim-dur-fast) var(--anim-ease-out);
}
.hhb-step-item:hover .hhb-step-num {
    transform: scale(1.2);
    box-shadow: 0 0 0 10px rgba(232, 94, 48, 0.12);
}

/* Icon within steps (if using material icons instead of numbers) */
.hhb-step-item:hover .hhb-step-icon {
    transform: scale(1.15) rotate(-6deg);
}
.hhb-step-icon {
    transition: transform var(--anim-dur-fast) var(--anim-ease-spring);
}


/* ═══════════════════════════════════════════════════════════════
   7. REVIEW CARDS — Subtle Float
   ═══════════════════════════════════════════════════════════════ */

.hhb-review-card {
    transition:
        transform  var(--anim-dur-fast) var(--anim-ease-spring) !important,
        box-shadow var(--anim-dur-fast) var(--anim-ease-out)    !important;
}
.hhb-review-card:hover {
    transform: translateY(-6px) !important;
    box-shadow:
        0 20px 36px rgba(0, 0, 0, 0.08),
        0  4px 12px rgba(232, 94, 48, 0.06) !important;
}


/* ═══════════════════════════════════════════════════════════════
   8. BUTTONS — Hover & Press Feedback
   ═══════════════════════════════════════════════════════════════ */

/* Hero search submit button only (not all hero links) */
.hhb-fp-hero button[type="submit"] {
    transition:
        background  var(--anim-dur-micro) var(--anim-ease-out),
        transform   var(--anim-dur-micro) var(--anim-ease-out),
        box-shadow  var(--anim-dur-micro) var(--anim-ease-out);
}
.hhb-fp-hero button[type="submit"]:active {
    transform: scale(0.96);
}

/* ── Hero CTA Buttons (Browse Stays / Check Availability) ── */
.hhb-hero-btn-primary {
    transition:
        background-color var(--anim-dur-micro) var(--anim-ease-out),
        transform        var(--anim-dur-fast)  var(--anim-ease-spring),
        box-shadow       var(--anim-dur-fast)  var(--anim-ease-out);
}
.hhb-hero-btn-primary:hover {
    background-color: #c94b22;
    color: #ffffff !important;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(232, 94, 48, 0.40);
}
.hhb-hero-btn-primary:active {
    transform: scale(0.97) translateY(0);
}

.hhb-hero-btn-outline {
    transition:
        background-color var(--anim-dur-micro) var(--anim-ease-out),
        color            var(--anim-dur-micro) var(--anim-ease-out),
        transform        var(--anim-dur-fast)  var(--anim-ease-spring),
        box-shadow       var(--anim-dur-fast)  var(--anim-ease-out);
}
.hhb-hero-btn-outline:hover {
    background-color: #ffffff;
    color: #1e293b;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(255, 255, 255, 0.20);
}
.hhb-hero-btn-outline:active {
    transform: scale(0.97) translateY(0);
}

/* ── Header CTA Button (List your homestay) ── */
.hhb-header-cta-btn {
    transition:
        background-color var(--anim-dur-micro) var(--anim-ease-out),
        transform        var(--anim-dur-fast)  var(--anim-ease-spring),
        box-shadow       var(--anim-dur-fast)  var(--anim-ease-out);
}
.hhb-header-cta-btn:hover {
    background-color: #c94b22 !important;
    color: #ffffff !important;
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 20px rgba(232, 94, 48, 0.45) !important;
}
.hhb-header-cta-btn:active {
    transform: scale(0.96);
}


/* ═══════════════════════════════════════════════════════════════
   9. SECTION HEADINGS — Underline Reveal
   ═══════════════════════════════════════════════════════════════ */

.hhb-section-heading {
    position: relative;
    display: inline-block;
}
.hhb-section-heading::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 3px;
    background: #e85e30;
    border-radius: 2px;
    transition: width 0.6s var(--anim-ease-out);
}
.hhb-section-heading.is-visible::after {
    width: 60px;
}


/* ═══════════════════════════════════════════════════════════════
   10. BOOKING WIDGET — Sidebar Slide In
   ═══════════════════════════════════════════════════════════════ */

.hhb-sidebar {
    transition: transform var(--anim-dur-base) var(--anim-ease-out);
}


/* ═══════════════════════════════════════════════════════════════
   11. SKELETON SHIMMER (loading state placeholder)
   ═══════════════════════════════════════════════════════════════ */

@keyframes hhb-shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position:  200% 0; }
}

.hhb-skeleton {
    background: linear-gradient(
        90deg,
        #f0ede8 25%,
        #e6e0d9 50%,
        #f0ede8 75%
    );
    background-size: 200% 100%;
    animation: hhb-shimmer 1.6s infinite;
    border-radius: 8px;
}


/* ═══════════════════════════════════════════════════════════════
   12. GALLERY IMAGE — Zoom + Overlay
   ═══════════════════════════════════════════════════════════════ */

.hhb-gallery-item img {
    transition: transform 0.5s var(--anim-ease-out) !important;
}
.hhb-gallery-item:hover img {
    transform: scale(1.07) !important;
}


/* ═══════════════════════════════════════════════════════════════
   13. SCROLL PROGRESS INDICATOR (optional top bar)
   ═══════════════════════════════════════════════════════════════ */

.hhb-scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #e85e30, #f59e0b);
    z-index: 9999;
    transition: width 0.1s linear;
    pointer-events: none;
}


/* ═══════════════════════════════════════════════════════════════
   14. REDUCED MOTION OVERRIDE (Accessibility — REQUIRED)
   ═══════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {

    /* Disable all entrance animations */
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .reveal-fade {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    /* Disable hero keyframes */
    .hhb-hero-badge,
    .hhb-fp-hero h1,
    .hhb-fp-hero-sub,
    .hhb-fp-search-bar,
    .hhb-fp-hero .hhb-hero-btn-primary,
    .hhb-fp-hero .hhb-hero-btn-outline,
    .hhb-fp-hero-overlay,
    .hhb-fp-hero-glow,
    .hhb-fp-hero-mist {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }

    /* Stop cinematic zoom + parallax */
    .hhb-fp-hero-zoom {
        animation: none !important;
    }
    .hhb-fp-hero-bg {
        transform: none !important;
        will-change: auto;
    }

    /* Keep hover transitions but reduce them */
    .hhb-trust-card,
    .hhb-dest-card,
    .hhb-review-card,
    .hhb-fp-section article.group {
        transition:
            box-shadow var(--anim-dur-micro) ease !important;
    }

    .hhb-trust-card:hover,
    .hhb-dest-card:hover,
    .hhb-review-card:hover,
    .hhb-fp-section article.group:hover {
        transform: none !important;
    }

    /* Underline still reveals but instantly */
    .hhb-section-heading::after {
        transition: none !important;
    }
}