/*
 * PsyGuild — Animation & Motion System
 * Hệ thống hiệu ứng toàn diện: scroll reveal, hover, micro-animations
 * ─────────────────────────────────────────────────────────────────────
 */

/* ══════════════════════════════════════════════════════════════════
   1. KEYFRAME DEFINITIONS
   ══════════════════════════════════════════════════════════════════ */

/* Fade + Rise (mặc định) */
@keyframes psy-fade-up {
    from { opacity: 0; transform: translateY(32px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Fade + Fall */
@keyframes psy-fade-down {
    from { opacity: 0; transform: translateY(-24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Fade + Slide Left */
@keyframes psy-fade-left {
    from { opacity: 0; transform: translateX(32px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Fade + Slide Right */
@keyframes psy-fade-right {
    from { opacity: 0; transform: translateX(-32px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Scale In */
@keyframes psy-scale-in {
    from { opacity: 0; transform: scale(0.92); }
    to   { opacity: 1; transform: scale(1); }
}

/* Glow pulse cho icon/badge */
@keyframes psy-glow-pulse {
    0%, 100% { box-shadow: 0 0 12px rgba(61, 224, 255, 0.2); }
    50%       { box-shadow: 0 0 28px rgba(61, 224, 255, 0.5), 0 0 50px rgba(100, 74, 252, 0.2); }
}

/* Float bob — nhẹ nhàng lên xuống */
@keyframes psy-float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-8px); }
}

/* Shimmer — ánh sáng quét qua */
@keyframes psy-shimmer {
    0%   { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* Badge shine */
@keyframes psy-badge-shine {
    0%   { opacity: 0; transform: translateX(-100%) skewX(-15deg); }
    50%  { opacity: 0.6; }
    100% { opacity: 0; transform: translateX(200%) skewX(-15deg); }
}

/* Underline expand */
@keyframes psy-underline-in {
    from { transform: scaleX(0); transform-origin: left; }
    to   { transform: scaleX(1); transform-origin: left; }
}

/* Border glow rotate */
@keyframes psy-border-spin {
    from { --border-angle: 0turn; }
    to   { --border-angle: 1turn; }
}

/* Count up shimmer */
@keyframes psy-count-bg {
    0%, 100% { opacity: 0.6; }
    50%       { opacity: 1; }
}

/* ══════════════════════════════════════════════════════════════════
   2. SCROLL REVEAL SYSTEM — Multi-directional
   ══════════════════════════════════════════════════════════════════ */

/* Base: mọi phần tử reveal đều invisible trước */
.reveal,
[data-reveal] {
    opacity: 0;
    will-change: opacity, transform;
}

/* Hướng mặc định: lên */
.reveal,
[data-reveal="up"] {
    transform: translateY(28px);
    transition:
        opacity  0.75s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Hướng: xuống */
[data-reveal="down"] {
    transform: translateY(-24px);
    transition:
        opacity  0.75s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Hướng: từ trái */
[data-reveal="left"] {
    transform: translateX(32px);
    transition:
        opacity  0.75s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Hướng: từ phải */
[data-reveal="right"] {
    transform: translateX(-32px);
    transition:
        opacity  0.75s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Scale in */
[data-reveal="scale"] {
    transform: scale(0.93);
    transition:
        opacity  0.7s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Trạng thái ACTIVE: tất cả về vị trí bình thường */
.reveal.active,
[data-reveal].active {
    opacity: 1;
    transform: none;
}

/* Stagger delay cho con trong grid */
[data-reveal].delay-1 { transition-delay: 0.08s; }
[data-reveal].delay-2 { transition-delay: 0.16s; }
[data-reveal].delay-3 { transition-delay: 0.24s; }
[data-reveal].delay-4 { transition-delay: 0.32s; }
[data-reveal].delay-5 { transition-delay: 0.40s; }
[data-reveal].delay-6 { transition-delay: 0.48s; }

/* Auto stagger: các card trong grid tự nhận delay */
.psy-stagger > *:nth-child(1) { transition-delay: 0.00s; }
.psy-stagger > *:nth-child(2) { transition-delay: 0.09s; }
.psy-stagger > *:nth-child(3) { transition-delay: 0.18s; }
.psy-stagger > *:nth-child(4) { transition-delay: 0.27s; }
.psy-stagger > *:nth-child(5) { transition-delay: 0.36s; }
.psy-stagger > *:nth-child(6) { transition-delay: 0.45s; }

/* ══════════════════════════════════════════════════════════════════
   3. CARD HOVER EFFECTS — Premium Glass Lift
   ══════════════════════════════════════════════════════════════════ */

/* Dark Glass Card: đã có, nâng cấp thêm glow + shine */
.psyguild-card,
.psyguild-card-dark {
    position: relative;
    overflow: hidden;
    transition:
        transform   0.45s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow  0.45s cubic-bezier(0.22, 1, 0.36, 1),
        border-color 0.35s ease,
        background  0.35s ease;
}

/* Shimmer overlay khi hover */
.psyguild-card::after,
.psyguild-card-dark::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(110, 239, 255, 0.06) 50%,
        transparent 60%
    );
    background-size: 200% 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: inherit;
}
.psyguild-card:hover::after,
.psyguild-card-dark:hover::after {
    opacity: 1;
    animation: psy-shimmer 1.2s ease forwards;
}

/* Post Card: nâng cấp hover */
.psyguild-post-card {
    transition:
        transform   0.45s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow  0.45s cubic-bezier(0.22, 1, 0.36, 1),
        border-color 0.35s ease,
        background  0.35s ease;
}
.psyguild-post-card:hover {
    transform: translateY(-6px) scale(1.01);
}

/* Paper Card (archive) */
.psyguild-paper-card {
    transition:
        transform   0.45s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow  0.45s cubic-bezier(0.22, 1, 0.36, 1),
        border-color 0.35s ease;
}
.psyguild-paper-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3), 0 0 24px rgba(61, 224, 255, 0.12);
    border-color: rgba(61, 224, 255, 0.35);
}

/* Thumbnail zoom trên hover */
.psyguild-post-card .post-thumbnail img,
.psyguild-paper-card .post-thumbnail img {
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1), filter 0.5s ease;
}
.psyguild-post-card:hover .post-thumbnail img,
.psyguild-paper-card:hover .post-thumbnail img {
    transform: scale(1.07);
    filter: brightness(1.08) saturate(1.1);
}

/* ══════════════════════════════════════════════════════════════════
   4. LINK HOVER EFFECTS — Underline & Glow
   ══════════════════════════════════════════════════════════════════ */

/* Nav links: underline mở rộng từ trái */
.main-navigation a {
    position: relative;
}
.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: var(--psyguild-primary-cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    border-radius: 2px;
}
.main-navigation a:hover::after,
.main-navigation li.current-menu-item > a::after {
    transform: scaleX(1);
}

/* Post title links: subtle glow khi hover */
.psyguild-post-card .post-title a,
.psyguild-paper-card .post-title a {
    transition: color 0.3s ease, text-shadow 0.3s ease;
}
.psyguild-post-card:hover .post-title a,
.psyguild-paper-card:hover .post-title a {
    text-shadow: 0 0 20px rgba(61, 224, 255, 0.3);
}

/* Reading zone links */
.psyguild-reading-zone .entry-content a {
    position: relative;
    transition: color 0.25s ease, border-color 0.25s ease;
}

/* Post mini (ticker) */
.psy-post-mini {
    transition:
        background    0.28s ease,
        border-color  0.28s ease,
        transform     0.28s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow    0.28s ease;
}
.psy-post-mini:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* ══════════════════════════════════════════════════════════════════
   5. BUTTON MICRO-ANIMATIONS
   ══════════════════════════════════════════════════════════════════ */

.psyguild-btn {
    position: relative;
    overflow: hidden;
    transition:
        transform   0.3s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow  0.3s cubic-bezier(0.22, 1, 0.36, 1),
        border-color 0.25s ease,
        background  0.25s ease;
}

/* Ripple layer */
.psyguild-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.08);
    opacity: 0;
    transition: opacity 0.25s ease;
    border-radius: inherit;
}
.psyguild-btn:hover::before { opacity: 1; }

/* Active press effect */
.psyguild-btn:active {
    transform: scale(0.97) translateY(1px) !important;
    transition-duration: 0.1s;
}

/* Primary button hover */
.psyguild-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow:
        0 14px 32px rgba(74, 114, 255, 0.4),
        0 0 24px rgba(61, 224, 255, 0.2),
        inset 0 1px 0 rgba(255,255,255,0.4);
}

/* Outline button hover */
.psyguild-btn-outline:hover,
.psyguild-btn-outline-dark:hover {
    transform: translateY(-3px);
}

/* ══════════════════════════════════════════════════════════════════
   6. SECTION / BLOCK SPACING & DIVIDERS
   ══════════════════════════════════════════════════════════════════ */

/* Section title badge */
.psy-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(61, 224, 255, 0.08);
    color: var(--psyguild-primary-cyan);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid rgba(61, 224, 255, 0.2);
    margin-bottom: 14px;
    position: relative;
    overflow: hidden;
}
/* Badge shine sweep */
.psy-badge::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    width: 30%;
    background: rgba(255,255,255,0.15);
    animation: psy-badge-shine 3s ease infinite;
    pointer-events: none;
}

/* Section heading + underline accent */
.psy-section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 8px;
}
.psy-section-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 48px;
    height: 2px;
    background: var(--psyguild-gradient-brand);
    border-radius: 2px;
}

/* Decorative divider between sections */
.psy-section-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(
        to right,
        transparent,
        rgba(61, 224, 255, 0.18) 30%,
        rgba(100, 74, 252, 0.18) 70%,
        transparent
    );
    margin: 0;
    border: none;
}

/* ══════════════════════════════════════════════════════════════════
   7. HEADER SCROLL STATE — Glow Transition
   ══════════════════════════════════════════════════════════════════ */

.site-header {
    transition:
        background    0.4s ease,
        box-shadow    0.4s ease,
        border-color  0.4s ease,
        backdrop-filter 0.4s ease;
}
.site-header.scrolled {
    background: rgba(6, 11, 25, 0.92);
    box-shadow: 0 4px 40px rgba(0,0,0,0.6), 0 1px 0 rgba(61,224,255,0.08);
    border-bottom-color: rgba(61, 224, 255, 0.1);
}

/* Logo hover */
.psyguild-site-logo {
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), filter 0.3s ease;
}
.psyguild-site-logo:hover {
    opacity: 0.88;
    transform: scale(1.04);
    filter: brightness(1.1) drop-shadow(0 0 8px rgba(61,224,255,0.35));
}

/* Site logo text */
.site-logo-text {
    background: var(--psyguild-gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: filter 0.3s ease;
}
.site-logo-text:hover {
    filter: brightness(1.2);
}

/* ══════════════════════════════════════════════════════════════════
   8. ICON BOX — Float & Glow
   ══════════════════════════════════════════════════════════════════ */

/* Icon boxes trong categories, community */
.psyguild-card .psy-icon-box,
[style*="border-radius: 16px"][style*="display: flex"][style*="align-items: center"][style*="justify-content: center"] {
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease;
}
.psyguild-card:hover .psy-icon-box {
    animation: psy-glow-pulse 2s ease infinite;
}

/* Expert avatar circles */
[style*="border-radius:50%"][style*="display:flex"][style*="align-items:center"] {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* ══════════════════════════════════════════════════════════════════
   9. HERO SECTION — Entrance Animations
   ══════════════════════════════════════════════════════════════════ */

/*
 * Hero layout: .psyguild-container > .psyguild-hero-layout > [col-left] + [col-right]
 * Dùng keyframe animation trực tiếp thay selector lồng sâu để tránh specificity hell.
 */

/* Hero card trái (cột nội dung): fade từ phải sang */
.psyguild-hero .psyguild-hero-card {
    animation: psy-fade-right 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both;
}

/* Hero right panel: fade từ trái sang, delay nhẹ hơn */
.psyguild-hero .psyguild-hero-right-panel {
    animation: psy-fade-left 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.25s both;
}

/* Cards trong right panel: stagger */
.psyguild-hero .psyguild-hero-right-panel > .psyguild-card-dark:nth-child(1) {
    animation: psy-fade-left 0.75s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}
.psyguild-hero .psyguild-hero-right-panel > .psyguild-card-dark:nth-child(2) {
    animation: psy-fade-left 0.75s cubic-bezier(0.22, 1, 0.36, 1) 0.45s both;
}
.psyguild-hero .psyguild-hero-right-panel > .psyguild-card-dark:nth-child(3) {
    animation: psy-fade-left 0.75s cubic-bezier(0.22, 1, 0.36, 1) 0.6s both;
}

/* Hero H1: fade up */
.psyguild-hero h1 {
    animation: psy-fade-up 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.25s both;
}

/* Hero description */
.psyguild-hero .psyguild-hero-desc {
    animation: psy-fade-up 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}

/* Hero CTA buttons */
.psyguild-hero .hero-actions {
    animation: psy-fade-up 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.55s both;
}

/* Body page transition class — content reveal khi loader done */
body.page-entering > *:not(#mistLoader):not(.psyguild-ambient-orb) {
    animation: psy-fade-up 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ══════════════════════════════════════════════════════════════════
   10. COMMUNITY SECTION — Floating Orb
   ══════════════════════════════════════════════════════════════════ */

.psyguild-community .psyguild-card-dark > div[style*="width:80px"] {
    animation: psy-float 4s ease-in-out infinite;
}

/* ══════════════════════════════════════════════════════════════════
   11. SINGLE POST — Reading Zone Entrance
   ══════════════════════════════════════════════════════════════════ */

.psyguild-cover-zone {
    animation: psy-fade-down 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.psyguild-reading-zone {
    animation: psy-scale-in 0.75s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}

/* Related posts: stagger từng card */
.psyguild-related-grid > *:nth-child(1) { animation-delay: 0.0s; }
.psyguild-related-grid > *:nth-child(2) { animation-delay: 0.1s; }
.psyguild-related-grid > *:nth-child(3) { animation-delay: 0.2s; }
.psyguild-related-grid > *:nth-child(4) { animation-delay: 0.3s; }

/* ══════════════════════════════════════════════════════════════════
   12. SCROLL-TRIGGERED COUNTER (Stats)
   ══════════════════════════════════════════════════════════════════ */

.psy-stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--psyguild-primary-cyan);
    display: inline-block;
    transition: color 0.3s ease;
}

/* ══════════════════════════════════════════════════════════════════
   13. FOOTER — Fade In on Scroll
   ══════════════════════════════════════════════════════════════════ */

.psyguild-footer {
    padding: clamp(40px, 5.5vw, 72px) 0 calc(clamp(40px, 5.5vw, 72px) + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: var(--space-section);
    position: relative;
}
.psyguild-footer-inner {
    text-align: center;
    color: var(--psyguild-text-muted, rgba(255,255,255,0.45));
}
.psyguild-footer-intro {
    margin-bottom: 8px;
    font-size: 0.95rem;
    line-height: 1.6;
}
.psyguild-footer-copy {
    font-size: 0.85rem;
    opacity: 0.65;
}
.psyguild-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%;
    height: 1px;
    background: linear-gradient(
        to right,
        transparent,
        rgba(61, 224, 255, 0.25),
        rgba(100, 74, 252, 0.25),
        transparent
    );
}

/* Footer links hover */
.psyguild-footer a {
    position: relative;
    transition: color 0.25s ease;
}
.psyguild-footer a::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0;
    width: 100%; height: 1px;
    background: var(--psyguild-primary-cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.psyguild-footer a:hover::after {
    transform: scaleX(1);
}

/* ══════════════════════════════════════════════════════════════════
   14. ARCHIVE PAGE HEADER — Gradient Text
   ══════════════════════════════════════════════════════════════════ */

.psyguild-archive-shell .archive-title {
    background: linear-gradient(135deg, #fff 0%, var(--psyguild-primary-cyan) 60%, var(--psyguild-secondary-violet) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: psy-fade-up 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ══════════════════════════════════════════════════════════════════
   15. PAGINATION — Hover Lift
   ══════════════════════════════════════════════════════════════════ */

.psyguild-pagination .page-numbers a {
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.psyguild-pagination .page-numbers a:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(61, 224, 255, 0.12);
}

/* ══════════════════════════════════════════════════════════════════
   16. 404 PAGE — Animated Number
   ══════════════════════════════════════════════════════════════════ */

.psy-404-number {
    animation: psy-float 5s ease-in-out infinite;
}

/* ══════════════════════════════════════════════════════════════════
   17. REDUCE MOTION — Accessibility Override
   ══════════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal, [data-reveal] {
        opacity: 1 !important;
        transform: none !important;
    }
}