/* ================================================
   KANDYAN GEM & JEWELLERS — Scroll & Animation FX
   ================================================ */

/* ── 1. PARALLAX MULTI-LAYERED HERO ── */
.parallax-hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.parallax-hero .layer {
    position: absolute;
    inset: -20%;
    background-size: cover;
    background-position: center;
    will-change: transform;
    /* Use the variable from JS, combined with scale */
    transform: translate3d(0, var(--parallax-offset, 0), 0) scale(var(--layer-scale, 1));
}


.parallax-hero .layer-1 {
    z-index: 1;
    --layer-scale: 1.2;
}


.parallax-hero .layer-2 {
    z-index: 2;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.15;
    /* Reduced opacity for better clarity */
    mix-blend-mode: soft-light;
    /* Changed from screen for more subtle overlay */
}


.parallax-hero .layer-3 {
    z-index: 3;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.55) 70%, rgba(12, 9, 7, 0.95) 100%);
}

.parallax-hero .hero-content {
    position: relative;
    z-index: 4;
    text-align: center;
    max-width: 900px;
    padding: 0 2rem;
}

.hero-content .subtitle {
    opacity: 0;
    animation: fadeSlideUp 0.9s 0.3s ease forwards;
}

.hero-content h1 {
    opacity: 0;
    animation: fadeSlideUp 1s 0.55s ease forwards;
}

.hero-content p {
    opacity: 0;
    animation: fadeSlideUp 0.9s 0.8s ease forwards;
}

.hero-content .hero-cta {
    opacity: 0;
    animation: fadeSlideUp 0.9s 1.05s ease forwards;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Floating particles — rendered via Canvas in scroll.js (smooth 60fps) */
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    overflow: hidden;
}


/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--cream-300);
    opacity: 0.6;
    animation: fadeIn 1s 1.5s ease forwards;
    opacity: 0;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

@keyframes fadeIn {
    to {
        opacity: 0.6;
    }
}

.scroll-indicator .mouse {
    width: 24px;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-indicator .wheel {
    width: 3px;
    height: 7px;
    background: var(--gold-400);
    border-radius: 2px;
    animation: scrollDown 2s infinite ease;
}

@keyframes scrollDown {

    0%,
    100% {
        transform: translateY(0);
        opacity: 1;
    }

    80% {
        transform: translateY(14px);
        opacity: 0;
    }
}

/* ── 2. SNAP SCROLLING SECTIONS ── */
.snap-container {
    height: 100vh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scrollbar-width: none;
}

.snap-container::-webkit-scrollbar {
    display: none;
}

.snap-section {
    height: 100vh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* ── 3. FIXED BACKGROUND SCROLLING (About page) ── */
.fixed-bg-section {
    position: relative;
    min-height: 100vh;
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.fixed-bg-content-panel {
    position: relative;
    z-index: 2;
    background: rgba(12, 9, 7, 0.88);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(212, 160, 23, 0.2);
    border-radius: var(--radius-xl);
    padding: 3.5rem;
    width: 100%;
    max-width: 680px;
}

.fixed-bg-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

/* Alternating layout */
.fixed-bg-section.left {
    justify-content: flex-start;
    padding-left: 6rem;
}

.fixed-bg-section.right {
    justify-content: flex-end;
    padding-right: 6rem;
}

/* ── 4. HORIZONTAL SCROLLING GALLERY ── */
.horizontal-gallery {
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    cursor: grab;
    scrollbar-width: none;
    padding: 1rem 0;
}

.horizontal-gallery::-webkit-scrollbar {
    display: none;
}

.horizontal-gallery:active {
    cursor: grabbing;
}

.horizontal-gallery-track {
    display: flex;
    gap: 1.5rem;
    padding: 0 2rem;
    width: max-content;
}

.h-gallery-item {
    scroll-snap-align: start;
    flex-shrink: 0;
    width: 320px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    background: var(--dark-300);
}

.h-gallery-item img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.h-gallery-item:hover img {
    transform: scale(1.06);
}

.h-gallery-item .caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2.5rem 1.5rem 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
}

.h-gallery-item .caption h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--cream-100);
}

.h-gallery-item .caption p {
    font-size: 0.8rem;
    color: var(--gold-400);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 0.25rem;
}

/* Gallery Navigation Arrows */
.gallery-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.gallery-arrow {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--cream-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.gallery-arrow:hover {
    background: var(--gold-400);
    color: var(--dark-200);
    border-color: var(--gold-400);
}

/* ── 5. INFINITE SCROLL PRODUCT GRID ── */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.load-more-trigger {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2rem;
}

.load-more-trigger .spinner {
    display: none;
}

.load-more-trigger.loading .spinner {
    display: block;
}

.load-more-trigger.all-loaded {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--cream-300);
    opacity: 0.5;
}

/* ── 6. REVEAL ON SCROLL ANIMATIONS ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

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

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children */
.stagger>* {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.stagger>*:nth-child(1) {
    transition-delay: 0s;
}

.stagger>*:nth-child(2) {
    transition-delay: 0.1s;
}

.stagger>*:nth-child(3) {
    transition-delay: 0.2s;
}

.stagger>*:nth-child(4) {
    transition-delay: 0.3s;
}

.stagger>*:nth-child(5) {
    transition-delay: 0.4s;
}

.stagger>*:nth-child(6) {
    transition-delay: 0.5s;
}

.stagger>*:nth-child(7) {
    transition-delay: 0.6s;
}

.stagger>*:nth-child(8) {
    transition-delay: 0.7s;
}

.stagger.visible>* {
    opacity: 1;
    transform: translateY(0);
}

/* ── 7. MOBILE SNAPPING ── */
@media (max-width: 768px) {
    .fixed-bg-section {
        background-attachment: scroll;
    }

    /* iOS fix */
    .fixed-bg-section.left,
    .fixed-bg-section.right {
        padding: 4rem 1.25rem;
        justify-content: center;
    }

    .fixed-bg-content-panel {
        padding: 2rem;
    }

    .h-gallery-item {
        width: 260px;
    }

    .h-gallery-item img {
        height: 320px;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

/* ── 8. SPECIAL VISUAL EFFECTS ── */
/* Gold shimmer text */
.shimmer-text {
    background: linear-gradient(90deg, var(--gold-500) 0%, var(--gold-200) 40%, var(--gold-500) 60%, var(--gold-300) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
    to {
        background-position: 200% center;
    }
}

/* Gold underline decoration */
.gold-underline {
    position: relative;
    display: inline-block;
}

.gold-underline::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-400), transparent);
}

/* Glassmorphism panel */
.glass-panel {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
}

/* Gradient border card */
.gradient-border {
    position: relative;
    border-radius: var(--radius-lg);
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--gold-400), transparent, var(--gold-500));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-med);
}

.gradient-border:hover::before {
    opacity: 1;
}

/* Stats counter section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.stat-item {
    background: var(--dark-200);
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: background var(--transition-fast);
}

.stat-item:hover {
    background: rgba(212, 160, 23, 0.06);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 600;
    color: var(--gold-400);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--cream-300);
    opacity: 0.7;
}

/* Testimonial card */
.testimonial-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    position: relative;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-family: var(--font-serif);
    font-size: 5rem;
    line-height: 1;
    color: var(--gold-400);
    opacity: 0.2;
}

.testimonial-text {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--cream-200);
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.testimonial-author img {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(212, 160, 23, 0.3);
    background: var(--dark-300);
}

.testimonial-author-info .name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--cream-100);
}

.testimonial-author-info .title {
    font-size: 0.78rem;
    color: var(--cream-300);
    opacity: 0.7;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}