/* ==========================================================================
   VELORA Web Solution - Animations, Keyframes, & Interactive Effects
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Page Preloader (Premium Construction Outline)
   -------------------------------------------------------------------------- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: opacity var(--transition-slow) ease, visibility var(--transition-slow) ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-logo-container {
    width: 120px;
    height: 120px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.loader-logo-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.loader-outline-path {
    fill: none;
    stroke: var(--brand-electric-blue);
    stroke-width: 2.5px;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 400;
    stroke-dashoffset: 400;
    animation: drawOutline 2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

[data-theme="light"] .loader-outline-path {
    stroke: var(--brand-purple);
}

.loader-glow-spot {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 82, 255, 0.45) 0%, transparent 70%);
    filter: blur(10px);
    opacity: 0;
    animation: loaderGlowSweep 1.8s cubic-bezier(0.16, 1, 0.3, 1) 1.2s forwards;
}

[data-theme="light"] .loader-glow-spot {
    background: radial-gradient(circle, rgba(123, 44, 191, 0.3) 0%, transparent 70%);
}

.loader-progress-track {
    width: 180px;
    height: 2px;
    background: var(--glass-border);
    border-radius: 1px;
    position: relative;
    overflow: hidden;
}

.loader-progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--gradient-brand);
    animation: loaderProgressFill 1.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes drawOutline {
    0% { stroke-dashoffset: 400; }
    100% { stroke-dashoffset: 0; }
}

@keyframes loaderGlowSweep {
    0% { opacity: 0; transform: scale(0.6); }
    100% { opacity: 1; transform: scale(1.1); }
}

@keyframes loaderProgressFill {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* --------------------------------------------------------------------------
   2. Scroll Progress Bar (Top of Screen)
   -------------------------------------------------------------------------- */
.scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 1000;
    pointer-events: none;
}

.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--gradient-brand);
    transition: width 0.1s ease-out;
}

/* --------------------------------------------------------------------------
   3. Back To Top Floating Action Button
   -------------------------------------------------------------------------- */
.back-to-top-btn {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium), visibility var(--transition-medium), border-color var(--transition-fast), background var(--transition-fast);
    box-shadow: var(--shadow-subtle);
}

.back-to-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top-btn:hover {
    border-color: var(--brand-electric-blue);
    background: rgba(var(--bg-glow-rgb), 0.05);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

[data-theme="light"] .back-to-top-btn:hover {
    border-color: var(--brand-purple);
}

.back-to-top-btn svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.back-to-top-btn:hover svg {
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   4. Custom Cursor Follower (Desktop Only)
   -------------------------------------------------------------------------- */
@media (min-width: 992px) {
    .custom-cursor {
        position: fixed;
        top: 0;
        left: 0;
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: var(--brand-cyan);
        box-shadow: 0 0 10px var(--brand-cyan);
        pointer-events: none;
        z-index: 10000;
        transform: translate(-50%, -50%);
        transition: width var(--transition-fast), height var(--transition-fast), background-color var(--transition-fast);
    }
    
    .custom-cursor-follower {
        position: fixed;
        top: 0;
        left: 0;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        border: 1px solid var(--brand-electric-blue);
        pointer-events: none;
        z-index: 9999;
        transform: translate(-50%, -50%);
        transition: width var(--transition-fast), height var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
    }

    [data-theme="light"] .custom-cursor { background-color: var(--brand-purple); box-shadow: 0 0 10px var(--brand-purple); }
    [data-theme="light"] .custom-cursor-follower { border-color: var(--brand-purple); }

    /* Custom Cursor hover scaling transformations */
    .custom-cursor.hover-expand {
        width: 24px;
        height: 24px;
        background-color: rgba(0, 240, 255, 0.2);
        box-shadow: none;
    }
    .custom-cursor-follower.hover-expand {
        width: 60px;
        height: 60px;
        border-color: var(--brand-cyan);
        background: rgba(0, 240, 255, 0.03);
    }

    [data-theme="light"] .custom-cursor.hover-expand { background-color: rgba(123, 44, 191, 0.15); }
    [data-theme="light"] .custom-cursor-follower.hover-expand { border-color: var(--brand-purple); background: rgba(123, 44, 191, 0.02); }

    .custom-cursor.hover-shrink {
        width: 4px;
        height: 4px;
        opacity: 0.5;
    }
    .custom-cursor-follower.hover-shrink {
        width: 16px;
        height: 16px;
        opacity: 0.5;
    }
}

/* --------------------------------------------------------------------------
   5. Accordion Animations (Section 10)
   -------------------------------------------------------------------------- */
.faq-accordion-item {
    margin-bottom: 16px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.faq-header-btn {
    width: 100%;
    padding: 24px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast);
    color: var(--text-primary);
}

.faq-header-btn:hover {
    background: rgba(255, 255, 255, 0.01);
}

.faq-header-btn h3 {
    font-size: 1.15rem;
    font-weight: 500;
}

.faq-icon-toggle {
    width: 20px;
    height: 20px;
    color: var(--brand-electric-blue);
    transition: transform var(--transition-medium);
}

[data-theme="light"] .faq-icon-toggle {
    color: var(--brand-purple);
}

.faq-body-content {
    height: 0;
    overflow: hidden;
    padding: 0 32px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    transition: height var(--transition-medium), padding var(--transition-medium);
}

/* Open Accordion toggle classes */
.faq-accordion-item.active .faq-body-content {
    padding-bottom: 24px;
}

.faq-accordion-item.active .faq-icon-toggle {
    transform: rotate(45deg);
}

.faq-accordion-item.active {
    border-color: rgba(0, 82, 255, 0.2);
}

[data-theme="light"] .faq-accordion-item.active {
    border-color: rgba(123, 44, 191, 0.15);
}

/* --------------------------------------------------------------------------
   6. Keyframe Animations
   -------------------------------------------------------------------------- */
@keyframes flash {
    0% { opacity: 0.3; filter: brightness(0.8); }
    100% { opacity: 1; filter: brightness(1.2); }
}

@keyframes rotatePortal {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes platformWave {
    0% {
        transform: rotateX(75deg) translateY(0px) scale(1);
        opacity: 0.6;
    }
    100% {
        transform: rotateX(75deg) translateY(-8px) scale(1.05);
        opacity: 0.9;
    }
}

@keyframes strokePulse {
    0% {
        stroke-dashoffset: 400;
        opacity: 0.3;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        stroke-dashoffset: 0;
        opacity: 0.3;
    }
}

@keyframes shimmerSlide {
    0% {
        transform: translate(-100px, -100px);
        opacity: 0;
    }
    30% {
        opacity: 0.7;
    }
    70% {
        opacity: 0.7;
    }
    100% {
        transform: translate(100px, 100px);
        opacity: 0;
    }
}

@keyframes orbPulseAnim {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(2.2);
        opacity: 0;
    }
}

@keyframes scrollDotMove {
    0% {
        transform: translateY(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(10px);
        opacity: 1;
    }
    100% {
        transform: translateY(0);
        opacity: 0.3;
    }
}

@keyframes borderGlowSweep {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 0%;
    }
}