@using Nop.Services.Localization
@using Nop.Core
@inject ILocalizationService localizationService
@inject IStoreContext storeContext

@{
    Layout = "_ColumnsOne";

    var homepageTitle = await localizationService.GetLocalizedAsync(await storeContext.GetCurrentStoreAsync(), s => s.HomepageTitle);
    if (!string.IsNullOrEmpty(homepageTitle))
    {
        NopHtml.AddTitleParts(homepageTitle);
    }

    var homepageDescription = await localizationService.GetLocalizedAsync(await storeContext.GetCurrentStoreAsync(), s => s.HomepageDescription);
    if (!string.IsNullOrEmpty(homepageDescription))
    {
        NopHtml.AddMetaDescriptionParts(homepageDescription);
    }

    NopHtml.AppendPageCssClassParts("html-home-page");

    // Signal _Root.cshtml to render vault layers
    ViewBag.IsHomePage = true;
}

<div class="page home-page">
    <div class="page-body">

        <!-- ==========================================
             VAULT SCROLL SPACER — drives the animation
             ========================================== -->
        <div class="vault-scroll-container" id="vaultScrollContainer"></div>

        

        <!-- ==========================================
             STANDARD HOMEPAGE CONTENT (solid bg)
             ========================================== -->
        <div style="background: #fff; position: relative; z-index: 5; padding-top: 70px;">
            @await Component.InvokeAsync(typeof(WidgetViewComponent), new { widgetZone = PublicWidgetZones.HomepageTop })
            @* Topic block replaced by immersive feature section below *@
        </div>

        <!-- ==========================================
             MIÉRT A FRUITBANK — IMMERSIVE FEATURES
             ========================================== -->
        <section class="fb-features" id="fbFeatures">
            <div class="fb-features-header">
                <h2>Miért a <em>FruitBank</em>?</h2>
                <p>Nagykereskedelmi megoldás, ami másképp működik.</p>
            </div>

            <div class="fb-feature" data-align="left">
                <div class="fb-feature-img">
                    <img src="/images/uploaded/freshness.jpg" alt="Farmról frissen" loading="lazy" />
                </div>
                <div class="fb-feature-content">
                    <span class="fb-feature-num">01</span>
                    <h3>Farmról frissen, minden nap</h3>
                    <p>A megbízható termelőktől történő közvetlen beszerzés garantálja, hogy termékeink a lehető legfrissebb állapotban és kiváló ízminőségben érkeznek Önhöz.</p>
                </div>
            </div>

            <div class="fb-feature" data-align="right">
                <div class="fb-feature-img">
                    <img src="/images/uploaded/delivery.jpg" alt="Másnapi kiszállítás" loading="lazy" />
                </div>
                <div class="fb-feature-content">
                    <span class="fb-feature-num">02</span>
                    <h3>Másnapi nagykereskedelmi kiszállítás</h3>
                    <p>A hőmérséklet-szabályozott logisztika biztosítja, hogy rendelése minden alkalommal frissen és pontosan érkezzen meg.</p>
                </div>
            </div>

            <div class="fb-feature" data-align="left">
                <div class="fb-feature-img">
                    <img src="/images/uploaded/variety.jpg" alt="Páratlan választék" loading="lazy" />
                </div>
                <div class="fb-feature-content">
                    <span class="fb-feature-num">03</span>
                    <h3>Páratlan választék</h3>
                    <p>A mindennapi alapanyagoktól az egzotikus különlegességekig – egész évben több mint 500 féle gyümölcs és zöldség kínálatában.</p>
                </div>
            </div>

            <div class="fb-feature" data-align="right">
                <div class="fb-feature-img">
                    <img src="/images/uploaded/sustainable.jpg" alt="Fenntartható forrásból" loading="lazy" />
                </div>
                <div class="fb-feature-content">
                    <span class="fb-feature-num">04</span>
                    <h3>Fenntartható forrásból</h3>
                    <p>Olyan termelőkkel dolgozunk együtt, akik osztoznak a felelős gazdálkodás és az élelmiszer-pazarlás csökkentése iránti elkötelezettségünkben.</p>
                </div>
            </div>
        </section>

        <!-- ==========================================
             PRODUCT CATEGORIES
             ========================================== -->
        <section class="fb-categories">
            <div class="fb-categories-header">
                <h2>Amit <em>importálunk</em></h2>
                <p>Válogatott minőség, közvetlenül a világ legjobb termelőitől.</p>
            </div>
            <div class="fb-cat-grid">

                <a href="/termékek" class="fb-cat-card">
                    <img src="/images/uploaded/cat-citrus.jpg" alt="Citrusfélék" loading="lazy" />
                    <div class="fb-cat-label">
                        <h3>Citrusfélék</h3>
                    </div>
                    <div class="fb-cat-hover">
                        <h3>Citrusfélék</h3>
                        <ul>
                            <li>Narancs</li>
                            <li>Citrom</li>
                            <li>Mandarin</li>
                            <li>Grépfrút</li>
                            <li>Lime</li>
                            <li>Pomelo</li>
                        </ul>
                    </div>
                </a>

                <a href="/termékek" class="fb-cat-card">
                    <img src="/images/uploaded/cat-exotic.jpg" alt="Egzotikus gyümölcsök" loading="lazy" />
                    <div class="fb-cat-label">
                        <h3>Egzotikus gyümölcsök</h3>
                    </div>
                    <div class="fb-cat-hover">
                        <h3>Egzotikus gyümölcsök</h3>
                        <ul>
                            <li>Mangó</li>
                            <li>Ananász</li>
                            <li>Papaya</li>
                            <li>Passiongyümölcs</li>
                            <li>Licsi</li>
                            <li>Sárkánygyümölcs</li>
                        </ul>
                    </div>
                </a>

                <a href="/termékek" class="fb-cat-card">
                    <img src="/images/uploaded/cat-veggies.jpg" alt="Zöldségek" loading="lazy" />
                    <div class="fb-cat-label">
                        <h3>Zöldségek <span>szezonon kívül</span></h3>
                    </div>
                    <div class="fb-cat-hover">
                        <h3>Zöldségek <span>szezonon kívül</span></h3>
                        <ul>
                            <li>Paradicsom</li>
                            <li>Paprika</li>
                            <li>Cukkini</li>
                            <li>Padlizsán</li>
                            <li>Zöldbab</li>
                            <li>Brokkoli</li>
                        </ul>
                    </div>
                </a>

                <a href="/termékek" class="fb-cat-card">
                    <img src="/images/uploaded/cat-fruits.jpg" alt="Gyümölcsök" loading="lazy" />
                    <div class="fb-cat-label">
                        <h3>Gyümölcsök <span>szezonon kívül</span></h3>
                    </div>
                    <div class="fb-cat-hover">
                        <h3>Gyümölcsök <span>szezonon kívül</span></h3>
                        <ul>
                            <li>Szőlő</li>
                            <li>Őszibarack</li>
                            <li>Nektarin</li>
                            <li>Szilva</li>
                            <li>Cseresznye</li>
                            <li>Körte</li>
                        </ul>
                    </div>
                </a>

                <a href="/termékek" class="fb-cat-card">
                    <img src="/images/uploaded/cat-berries.jpg" alt="Bogyós gyümölcsök" loading="lazy" />
                    <div class="fb-cat-label">
                        <h3>Bogyós gyümölcsök</h3>
                    </div>
                    <div class="fb-cat-hover">
                        <h3>Bogyós gyümölcsök</h3>
                        <ul>
                            <li>Áfonya</li>
                            <li>Szeder</li>
                            <li>Málna</li>
                            <li>Eper</li>
                            <li>Ribizli</li>
                            <li>Egészség csomag</li>
                        </ul>
                    </div>
                </a>

                <a href="/termékek" class="fb-cat-card">
                    <img src="/images/uploaded/cat-spices.jpg" alt="Egzotikus fűszerek" loading="lazy" />
                    <div class="fb-cat-label">
                        <h3>Egzotikus fűszerek</h3>
                    </div>
                    <div class="fb-cat-hover">
                        <h3>Egzotikus fűszerek</h3>
                        <ul>
                            <li>Friss gyömbér</li>
                            <li>Kurkuma</li>
                            <li>Citromfű</li>
                            <li>Chili paprika</li>
                            <li>Koriander</li>
                            <li>Friss menta</li>
                        </ul>
                    </div>
                </a>

                <a href="/termékek" class="fb-cat-card">
                    <img src="/images/uploaded/cat-dates.jpg" alt="Datolya" loading="lazy" />
                    <div class="fb-cat-label">
                        <h3>Datolya</h3>
                    </div>
                    <div class="fb-cat-hover">
                        <h3>Datolya</h3>
                        <ul>
                            <li>Medjool</li>
                            <li>Deglet Nour</li>
                            <li>Barhi</li>
                            <li>Mazafati</li>
                            <li>Ajwa</li>
                            <li>Sukkari</li>
                        </ul>
                    </div>
                </a>

                <a href="/termékek" class="fb-cat-card">
                    <img src="/images/uploaded/cat-farveggies.jpg" alt="Távoli zöldségek" loading="lazy" />
                    <div class="fb-cat-label">
                        <h3>Távoli zöldségek</h3>
                    </div>
                    <div class="fb-cat-hover">
                        <h3>Távoli zöldségek</h3>
                        <ul>
                            <li>Avokádó</li>
                            <li>Fokhagyma</li>
                            <li>Édesburgonya</li>
                            <li>Gyömbér</li>
                            <li>Jamsz gyökér</li>
                            <li>Taro</li>
                        </ul>
                    </div>
                </a>

            </div>
        </section>

        <!-- ==========================================
             FORKLIFT + STATS SECTION
             ========================================== -->
        <section class="section-forklift">
            <div class="forklift-scroll-container" id="forkliftScrollContainer">
                <div class="forklift-sticky">
                    <div class="forklift-visual">
                        <canvas id="forkliftCanvas"></canvas>
                    </div>
                    <div class="stats-panel">
                        <div class="stat-item" id="stat1">
                            <div class="stat-number"><span class="stat-counter" data-target="25000">0</span>+</div>
                            <div class="stat-label">tonna áru évente</div>
                        </div>
                        <div class="stat-item" id="stat2">
                            <div class="stat-number"><span class="stat-counter" data-target="12000">0</span>+</div>
                            <div class="stat-label">megrendelés évente</div>
                        </div>
                        <div class="stat-item" id="stat3">
                            <div class="stat-number"><span class="stat-counter" data-target="1000">0</span>+</div>
                            <div class="stat-label">elégedett ügyfél</div>
                        </div>
                    </div>
                </div>
            </div>
        </section>

    </div>
</div>

<!-- ==========================================
     VAULT + FORKLIFT SCROLL ANIMATION SCRIPT
     ========================================== -->
<script asp-location="Footer">
(function() {
    // =============================================
    // FRAME CONFIG
    //
    // Dial frames: 1-75 (indices 0-74)
    // Vault open frames: 76-323 (indices 75-322)
    //
    // Scroll segments within vault-scroll-container:
    //   0-20%   → Dial forward  (1→75)  + Text 1
    //   20-40%  → Dial reverse  (75→1)  + Text 2
    //   40-60%  → Dial forward  (1→75)  + Text 3
    //   60-78%  → Dial reverse  (75→1)  + Text 4
    //   78-100% → Vault opening (76→323)
    // =============================================
    var TOTAL_FRAMES = 323;
    var DIAL_START = 0;
    var DIAL_END = 74;
    var OPEN_START = 75;
    var OPEN_END = 322;
    var LERP_SPEED = 0.07;
    var CROSSFADE = true;

    var frames = [];
    var loadedCount = 0;
    var lenisInstance = null;

    // =============================================
    // SNAP-TO-SEGMENT CONFIG
    // After the user pauses scrolling, if they're
    // past the threshold in a dial segment, Lenis
    // smoothly snaps to the next segment start.
    // =============================================
    var SNAP_TRIGGER = 0.005;        // 6% into segment triggers snap
    var SNAP_DURATION = 1.6;        // seconds for snap animation
    var isSnapping = false;
    var lastSnappedSeg = -1;
    var userScrolling = false;
    var userScrollTimer = null;

    // =============================================
    // CANVAS SETUP
    // =============================================
    var canvas = document.getElementById('vaultCanvas');
    if (!canvas) return; // not on homepage
    var ctx = canvas.getContext('2d');
    var canvasW = 0, canvasH = 0;

    function setupCanvas() {
        var sample = frames[0];
        if (!sample || !sample.naturalWidth) return;
        var dpr = window.devicePixelRatio || 1;
        var isMobile = window.innerWidth <= 768;

        var imgAspect = sample.naturalWidth / sample.naturalHeight;
        var vpW = window.innerWidth;

        var displayW = vpW;
        var displayH = vpW / imgAspect;

        if (isMobile) {
            displayW *= 1.7;
            displayH *= 1.7;
        }

        canvas.style.width = displayW + 'px';
        canvas.style.height = displayH + 'px';
        canvas.width = Math.round(displayW * dpr);
        canvas.height = Math.round(displayH * dpr);
        ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
        canvasW = displayW;
        canvasH = displayH;
    }

    // =============================================
    // SCROLL SEGMENTS
    // =============================================
    var segments = [
        { start: 0.00, end: 0.20, type: 'dial', dir:  1, textIdx: 0 },
        { start: 0.20, end: 0.40, type: 'dial', dir: -1, textIdx: 1 },
        { start: 0.40, end: 0.60, type: 'dial', dir:  1, textIdx: 2 },
        { start: 0.60, end: 0.78, type: 'dial', dir: -1, textIdx: 3 },
        { start: 0.78, end: 1.00, type: 'open', dir:  0, textIdx: -1 },
    ];

    var textBlocks = [
        document.getElementById('vaultText1'),
        document.getElementById('vaultText2'),
        document.getElementById('vaultText3'),
        document.getElementById('vaultText4'),
    ];

    var vaultContainer = document.getElementById('vaultScrollContainer');
    var vaultLayer = document.getElementById('vaultLayer');
    var scrollHint = document.getElementById('vaultScrollHint');
    var directionLabel = document.getElementById('vaultDirectionLabel');
    var progressBar = document.getElementById('vaultScrollProgress');
    var textOverlay = document.getElementById('vaultTextOverlay');

    // =============================================
    // FRAME RENDERING WITH LERP + CROSSFADE
    // =============================================
    var currentFrame = 0;
    var targetFrame = 0;

    function getVaultProgress() {
        var rect = vaultContainer.getBoundingClientRect();
        var scrolled = -rect.top;
        var total = rect.height - window.innerHeight;
        return Math.max(0, Math.min(1, scrolled / total));
    }

    function calcTargetFrame(progress) {
        var seg = null;
        var segProgress = 0;

        for (var i = 0; i < segments.length; i++) {
            if (progress >= segments[i].start && progress < segments[i].end) {
                seg = segments[i];
                segProgress = (progress - seg.start) / (seg.end - seg.start);
                break;
            }
        }
        if (!seg && progress >= 1) {
            seg = segments[segments.length - 1];
            segProgress = 1;
        }
        if (!seg) return 0;

        if (seg.type === 'dial') {
            if (seg.dir === 1) {
                return DIAL_START + segProgress * (DIAL_END - DIAL_START);
            } else {
                return DIAL_END - segProgress * (DIAL_END - DIAL_START);
            }
        } else {
            return OPEN_START + segProgress * (OPEN_END - OPEN_START);
        }
    }

    function renderFrame() {
        if (canvasW === 0) return;

        var idxA = Math.floor(currentFrame);
        var idxB = Math.ceil(currentFrame);
        idxA = Math.max(0, Math.min(TOTAL_FRAMES - 1, idxA));
        idxB = Math.max(0, Math.min(TOTAL_FRAMES - 1, idxB));
        var blend = currentFrame - Math.floor(currentFrame);

        var imgA = frames[idxA];
        var imgB = frames[idxB];

        if (imgA && imgA.complete && imgA.naturalWidth) {
            ctx.clearRect(0, 0, canvasW, canvasH);

            if (CROSSFADE && blend > 0.01 && imgB && imgB.complete && imgB.naturalWidth && idxA !== idxB) {
                ctx.globalAlpha = 1;
                ctx.drawImage(imgA, 0, 0, canvasW, canvasH);
                ctx.globalAlpha = blend;
                ctx.drawImage(imgB, 0, 0, canvasW, canvasH);
                ctx.globalAlpha = 1;
            } else {
                ctx.drawImage(imgA, 0, 0, canvasW, canvasH);
            }
        }
    }

    // =============================================
    // MAIN LOOP
    // =============================================
    function mainLoop() {
        var progress = getVaultProgress();

        // Scroll progress bar
        var totalScroll = document.documentElement.scrollHeight - window.innerHeight;
        var scrollPct = (window.scrollY / totalScroll) * 100;
        progressBar.style.width = scrollPct + '%';

        // Scroll hint
        scrollHint.style.opacity = Math.max(0, 1 - progress * 8);

        // Target frame
        targetFrame = calcTargetFrame(progress);

        // Lerp
        var diff = targetFrame - currentFrame;
        if (Math.abs(diff) > 0.05) {
            currentFrame += diff * LERP_SPEED;
        } else {
            currentFrame = targetFrame;
        }

        // Render
        renderFrame();

        // Direction label
        var activeSeg = null;
        for (var i = 0; i < 4; i++) {
            if (progress >= segments[i].start && progress < segments[i].end) {
                activeSeg = segments[i];
                break;
            }
        }
        if (activeSeg) {
            directionLabel.style.opacity = '1';
            directionLabel.textContent = activeSeg.dir > 0 ? '\u21BB Jobbra' : '\u21BA Balra';
        } else {
            directionLabel.style.opacity = '0';
        }

        // Text blocks
        textBlocks.forEach(function(block, idx) {
            if (!block) return;
            var seg = null;
            for (var j = 0; j < segments.length; j++) {
                if (segments[j].textIdx === idx) { seg = segments[j]; break; }
            }
            if (!seg) return;

            var textProgress = (progress - seg.start) / (seg.end - seg.start);

            var isMobile = window.innerWidth <= 768;
            var xPrefix = isMobile ? 'translateX(-50%) ' : '';

            if (textProgress < 0 || textProgress > 1) {
                block.style.opacity = '0';
                block.style.transform = xPrefix + 'translateY(50px)';
            } else {
                // Fade in 0-60%, hold 60-85%, fade out 85-100%
                var alpha = 0;
                if (textProgress < 0.60) {
                    alpha = textProgress / 0.60;
                } else if (textProgress < 0.85) {
                    alpha = 1;
                } else {
                    alpha = 1 - (textProgress - 0.85) / 0.15;
                }
                block.style.opacity = alpha;
                var yShift = (1 - Math.min(1, textProgress / 0.60)) * 50;
                block.style.transform = xPrefix + 'translateY(' + yShift + 'px)';
            }
        });

        // Hide vault layer when scrolled past
        if (progress >= 1) {
            var pastVault = window.scrollY - (vaultContainer.offsetTop + vaultContainer.offsetHeight);
            if (pastVault > 200) {
                var fadeOut = Math.max(0, 1 - (pastVault - 200) / 300);
                vaultLayer.style.opacity = fadeOut;
            }
        } else {
            vaultLayer.style.opacity = '1';
        }

        // Hide text overlay when not in vault section
        var rect = vaultContainer.getBoundingClientRect();
        var inVault = rect.top < window.innerHeight && rect.bottom > 0;
        textOverlay.style.display = inVault ? 'flex' : 'none';

        requestAnimationFrame(mainLoop);
    }

    // =============================================
    // FORKLIFT CANVAS ANIMATION
    // =============================================
    var FL_TOTAL = 120;
    var FL_LERP = 0.06;
    var flFrames = [];
    var flLoaded = 0;
    var flCurrentFrame = 0;
    var flTargetFrame = 0;

    var flCanvas = document.getElementById('forkliftCanvas');
    var flCtx = flCanvas ? flCanvas.getContext('2d') : null;
    var flCanvasW = 0, flCanvasH = 0;

    function setupForkliftCanvas() {
        var sample = flFrames[0];
        if (!sample || !sample.naturalWidth || !flCanvas) return;
        var dpr = window.devicePixelRatio || 1;
        var isMobile = window.innerWidth <= 768;

        // Let the canvas fill its container width
        var container = flCanvas.parentElement;
        var displayW = container ? container.clientWidth : (isMobile ? window.innerWidth * 1.2 : window.innerWidth * 0.5);
        var displayH = displayW * (sample.naturalHeight / sample.naturalWidth);

        flCanvas.style.width = displayW + 'px';
        flCanvas.style.height = displayH + 'px';
        flCanvas.width = Math.round(displayW * dpr);
        flCanvas.height = Math.round(displayH * dpr);
        flCtx.setTransform(dpr, 0, 0, dpr, 0, 0);
        flCanvasW = displayW;
        flCanvasH = displayH;
    }

    function preloadForkliftFrames() {
        return new Promise(function(resolve) {
            for (var i = 1; i <= FL_TOTAL; i++) {
                var img = new Image();
                img.src = '/Themes/CarHaven/Content/forklift-frames/frame_' + String(i).padStart(4, '0') + '.jpg';
                img.onload = img.onerror = function() {
                    flLoaded++;
                    if (flLoaded === FL_TOTAL) resolve();
                };
                flFrames.push(img);
            }
        });
    }

    var forkliftContainer = document.getElementById('forkliftScrollContainer');
    var counters = document.querySelectorAll('.stat-counter');
    var statItems = document.querySelectorAll('.stat-item');
    var counterValues = Array.from(counters).map(function() { return 0; });

    function forkliftLoop() {
        if (!forkliftContainer) { requestAnimationFrame(forkliftLoop); return; }

        var rect = forkliftContainer.getBoundingClientRect();
        var scrolled = -rect.top;
        var total = rect.height - window.innerHeight;
        var progress = Math.max(0, Math.min(1, scrolled / total));

        // Target frame from scroll progress
        flTargetFrame = progress * (FL_TOTAL - 1);

        // Lerp toward target
        var diff = flTargetFrame - flCurrentFrame;
        if (Math.abs(diff) > 0.05) {
            flCurrentFrame += diff * FL_LERP;
        } else {
            flCurrentFrame = flTargetFrame;
        }

        // Render with crossfade
        if (flCanvasW > 0 && flFrames.length > 0) {
            var idxA = Math.floor(flCurrentFrame);
            var idxB = Math.ceil(flCurrentFrame);
            idxA = Math.max(0, Math.min(FL_TOTAL - 1, idxA));
            idxB = Math.max(0, Math.min(FL_TOTAL - 1, idxB));
            var blend = flCurrentFrame - Math.floor(flCurrentFrame);

            var imgA = flFrames[idxA];
            var imgB = flFrames[idxB];

            if (imgA && imgA.complete && imgA.naturalWidth) {
                flCtx.clearRect(0, 0, flCanvasW, flCanvasH);
                if (blend > 0.01 && imgB && imgB.complete && imgB.naturalWidth && idxA !== idxB) {
                    flCtx.globalAlpha = 1;
                    flCtx.drawImage(imgA, 0, 0, flCanvasW, flCanvasH);
                    flCtx.globalAlpha = blend;
                    flCtx.drawImage(imgB, 0, 0, flCanvasW, flCanvasH);
                    flCtx.globalAlpha = 1;
                } else {
                    flCtx.drawImage(imgA, 0, 0, flCanvasW, flCanvasH);
                }
            }
        }

        // Stats counters
        statItems.forEach(function(item, i) {
            var staggerStart = i * 0.2;
            var itemProgress = Math.max(0, Math.min(1,
                (progress - staggerStart) / (1 - staggerStart)
            ));
            if (itemProgress > 0.05) {
                var fadeIn = Math.min(1, (itemProgress - 0.05) / 0.3);
                item.style.opacity = fadeIn;
                item.style.transform = 'translateY(' + ((1 - fadeIn) * 40) + 'px)';
            }
            var target = parseInt(counters[i].dataset.target);
            var currentTarget = target * Math.min(1, itemProgress / 0.7);
            counterValues[i] += (currentTarget - counterValues[i]) * 0.08;
            counters[i].textContent = Math.round(counterValues[i]).toLocaleString();
        });

        requestAnimationFrame(forkliftLoop);
    }

    // =============================================
    // PRELOAD FRAMES
    // =============================================
    var loadingBarFill = document.getElementById('vaultLoadingBarFill');
    var loadingPct = document.getElementById('vaultLoadingPct');
    var loadingScreen = document.getElementById('vaultLoadingScreen');

    function preloadFrames() {
        return new Promise(function(resolve) {
            for (var i = 1; i <= TOTAL_FRAMES; i++) {
                var img = new Image();
                img.src = '/Themes/CarHaven/Content/frames/frame_' + String(i).padStart(4, '0') + '.jpg';
                img.onload = img.onerror = function() {
                    loadedCount++;
                    var pct = Math.round((loadedCount / TOTAL_FRAMES) * 100);
                    if (loadingBarFill) loadingBarFill.style.width = pct + '%';
                    if (loadingPct) loadingPct.textContent = pct + '%';
                    if (loadedCount === TOTAL_FRAMES) resolve();
                };
                frames.push(img);
            }
        });
    }

    // =============================================
    // INIT
    // =============================================
    preloadFrames().then(function() {
        // Hide loading screen
        if (loadingScreen) {
            loadingScreen.classList.add('hidden');
            setTimeout(function() { loadingScreen.style.display = 'none'; }, 700);
        }

        // Lenis smooth scroll
        lenisInstance = new Lenis({
            duration: 1.8,
            easing: function(t) { return Math.min(1, 1.001 - Math.pow(2, -10 * t)); },
            orientation: 'vertical',
            smoothWheel: true,
            smoothTouch: true,
            wheelMultiplier: 0.8,
            touchMultiplier: 0.8,
        });

        gsap.registerPlugin(ScrollTrigger);
        lenisInstance.on('scroll', ScrollTrigger.update);
        gsap.ticker.add(function(time) { lenisInstance.raf(time * 1000); });
        gsap.ticker.lagSmoothing(0);

        // Snap-to-segment: listen to RAW user input, not Lenis scroll
        // Lenis scroll events fire continuously during interpolation,
        // which kills debounce timers. Wheel/touch events only fire
        // when the user is actually interacting.
        function onUserScrollInput() {
            userScrolling = true;
            clearTimeout(userScrollTimer);
            userScrollTimer = setTimeout(function() {
                userScrolling = false;
                trySnap();
            }, 120); // 120ms after last input = user stopped
        }

        function trySnap() {
            if (isSnapping) return;
            var progress = getVaultProgress();
            if (progress <= 0 || progress >= 0.78) return;

            for (var s = 0; s < segments.length - 1; s++) {
                var seg = segments[s];
                if (seg.type !== 'dial') continue;
                var segProg = (progress - seg.start) / (seg.end - seg.start);
                if (segProg > SNAP_TRIGGER && segProg < 0.92 && lastSnappedSeg < s) {
                    lastSnappedSeg = s;
                    isSnapping = true;
                    var nextStart = segments[s + 1].start;
                    var containerTop = vaultContainer.offsetTop;
                    var containerScroll = vaultContainer.offsetHeight - window.innerHeight;
                    var targetScroll = containerTop + nextStart * containerScroll;
                    lenisInstance.scrollTo(targetScroll, {
                        duration: SNAP_DURATION,
                        easing: function(t) { return t < 0.5 ? 4*t*t*t : 1 - Math.pow(-2*t+2,3)/2; },
                        onComplete: function() { isSnapping = false; }
                    });
                    return;
                }
            }
            // Reset tracker if scrolled backwards
            for (var r = lastSnappedSeg; r >= 0; r--) {
                if (progress < segments[r].start + 0.02) {
                    lastSnappedSeg = r - 1;
                }
            }
        }

        window.addEventListener('wheel', onUserScrollInput, { passive: true });
        window.addEventListener('touchmove', onUserScrollInput, { passive: true });
        window.addEventListener('touchend', function() {
            userScrolling = false;
            setTimeout(trySnap, 80);
        }, { passive: true });

        // Vault canvas
        setupCanvas();
        window.addEventListener('resize', setupCanvas);
        currentFrame = 0;
        renderFrame();
        requestAnimationFrame(mainLoop);

        // Forklift canvas — preload then setup, loop runs immediately for stats
        preloadForkliftFrames().then(function() {
            setupForkliftCanvas();
            window.addEventListener('resize', setupForkliftCanvas);
        });
        requestAnimationFrame(forkliftLoop);

        // =============================================
        // SCROLL REVEAL ANIMATIONS
        // Uses GSAP ScrollTrigger (already loaded)
        // =============================================
        (function initScrollReveal() {
            // --- Section titles ---
            document.querySelectorAll('.product-grid .title, .home-page-product-grid .title').forEach(function(el) {
                el.classList.add('sr-fade-up');
            });

            // --- Immersive features header ---
            var fbHeader = document.querySelector('.fb-features-header');
            if (fbHeader) fbHeader.classList.add('sr-fade-up');

            // --- Immersive feature rows: image parallax + content reveal ---
            document.querySelectorAll('.fb-feature').forEach(function(feature) {
                var img = feature.querySelector('.fb-feature-img img');
                var content = feature.querySelector('.fb-feature-content');
                var align = feature.getAttribute('data-align');

                // Parallax on image
                if (img) {
                    gsap.fromTo(img, 
                        { yPercent: -10 },
                        {
                            yPercent: 10,
                            ease: 'none',
                            scrollTrigger: {
                                trigger: feature,
                                start: 'top bottom',
                                end: 'bottom top',
                                scrub: 1
                            }
                        }
                    );
                }

                // Content slide in from the side
                if (content) {
                    var xFrom = align === 'right' ? 60 : -60;
                    gsap.from(content, {
                        x: xFrom,
                        opacity: 0,
                        duration: 1,
                        ease: 'power3.out',
                        scrollTrigger: {
                            trigger: feature,
                            start: 'top 75%',
                            toggleActions: 'play none none none'
                        }
                    });
                }
            });

            // --- Category cards (stagger reveal) ---
            var catCards = document.querySelectorAll('.fb-cat-card');
            if (catCards.length > 0) {
                catCards.forEach(function(el) { el.classList.add('sr-stagger-item'); });
                gsap.to(catCards, {
                    opacity: 1,
                    y: 0,
                    duration: 0.7,
                    ease: 'power3.out',
                    stagger: 0.12,
                    scrollTrigger: {
                        trigger: '.fb-cat-grid',
                        start: 'top 85%',
                        toggleActions: 'play none none none'
                    }
                });
            }

            // --- Category header ---
            var catHeader = document.querySelector('.fb-categories-header');
            if (catHeader) catHeader.classList.add('sr-fade-up');

            // --- Product cards (staggered separately, not sr-fade-up) ---
            document.querySelectorAll('.product-grid .item-box').forEach(function(el) {
                el.classList.add('sr-stagger-item');
            });

            // --- Footer (staggered separately) ---
            document.querySelectorAll('.footer-block').forEach(function(el) {
                el.classList.add('sr-stagger-item');
            });

            // ---- Animate all sr-fade-up elements ----
            gsap.utils.toArray('.sr-fade-up').forEach(function(el) {
                gsap.to(el, {
                    opacity: 1,
                    y: 0,
                    duration: 0.8,
                    ease: 'power3.out',
                    scrollTrigger: {
                        trigger: el,
                        start: 'top 88%',
                        toggleActions: 'play none none none'
                    }
                });
            });

            // ---- Animate sr-fade-left elements ----
            gsap.utils.toArray('.sr-fade-left').forEach(function(el) {
                gsap.to(el, {
                    opacity: 1,
                    x: 0,
                    duration: 0.9,
                    ease: 'power3.out',
                    scrollTrigger: {
                        trigger: el,
                        start: 'top 88%',
                        toggleActions: 'play none none none'
                    }
                });
            });

            // ---- Animate sr-fade-right elements ----
            gsap.utils.toArray('.sr-fade-right').forEach(function(el) {
                gsap.to(el, {
                    opacity: 1,
                    x: 0,
                    duration: 0.9,
                    ease: 'power3.out',
                    scrollTrigger: {
                        trigger: el,
                        start: 'top 88%',
                        toggleActions: 'play none none none'
                    }
                });
            });

            // ---- Stagger product cards within each grid ----
            document.querySelectorAll('.product-grid').forEach(function(grid) {
                var cards = grid.querySelectorAll('.item-box.sr-stagger-item');
                if (cards.length === 0) return;
                gsap.to(cards, {
                    opacity: 1,
                    y: 0,
                    duration: 0.7,
                    ease: 'power3.out',
                    stagger: 0.1,
                    scrollTrigger: {
                        trigger: grid,
                        start: 'top 85%',
                        toggleActions: 'play none none none'
                    }
                });
            });

            // ---- Stagger footer blocks ----
            var footerBlocks = document.querySelectorAll('.footer-block.sr-stagger-item');
            if (footerBlocks.length > 0) {
                gsap.to(footerBlocks, {
                    opacity: 1,
                    y: 0,
                    duration: 0.6,
                    ease: 'power2.out',
                    stagger: 0.12,
                    scrollTrigger: {
                        trigger: footerBlocks[0],
                        start: 'top 90%',
                        toggleActions: 'play none none none'
                    }
                });
            }
        })();

    });

})();
</script>