/**
 * Spring Motion & Design System Styling
 * Inspired by next16-claude-starter (Textura Agency)
 * Tokens, split-text masks, spring perspective, magnetic containers, and reduced-motion fallbacks.
 */

:root {
    /* Spring tokens */
    --spring-tension-default: 170;
    --spring-friction-default: 26;
    --spring-mass-default: 1;

    /* Timing and easing */
    --ease-entrance: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --duration-fast: 220ms;
    --duration-normal: 400ms;
    --duration-slow: 700ms;

    /* Elevation & Spring shadows */
    --spring-shadow-sm: 0 4px 12px rgba(0, 32, 77, 0.05);
    --spring-shadow-md: 0 12px 28px rgba(0, 32, 77, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
    --spring-shadow-hover: 0 20px 38px rgba(0, 82, 218, 0.16), 0 6px 14px rgba(0, 0, 0, 0.06);
    --spring-glow-primary: 0 0 22px rgba(0, 82, 218, 0.3);
}

/* 1. Lenis Smooth Scroll Optimization */
html.lenis, html.lenis body {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

.lenis.lenis-stopped {
    overflow: hidden;
}

.lenis.lenis-scrolling iframe {
    pointer-events: none;
}

/* 2. Spring Split-Text Engine Masks */
.spring-word-wrap {
    display: inline-block;
    overflow: hidden;
    vertical-align: top;
    margin-right: 0.28em;
    padding-bottom: 0.05em;
}

.spring-char-wrap {
    display: inline-block;
    overflow: hidden;
    vertical-align: top;
}

.spring-word, .spring-char {
    display: inline-block;
    transform-origin: 50% 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* 3. Spring 3D Tilt Containers */
.spring-tilt {
    transform-style: preserve-3d;
    backface-visibility: hidden;
    transition: box-shadow var(--duration-fast) var(--ease-entrance);
}

.spring-tilt:hover {
    box-shadow: var(--spring-shadow-hover) !important;
}

.spring-tilt > * {
    transform: translateZ(0);
}

/* 4. Spring Magnetic Interactive Buttons */
.btn-spring-magnetic,
.theme-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--duration-fast) ease, border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
    will-change: transform;
}

.theme-btn:hover {
    box-shadow: var(--spring-glow-primary);
}

/* 5. In-View Reveal Base Rules */
[data-spring] {
    will-change: transform, opacity;
}

/* 6. Refined Modern Preloader */
.preloader {
    background: #00204d;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s;
}

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

/* 7. Modernized Card Accents (Next16 Aesthetic) */
.wpo-features-item,
.wpo-service-item,
.wpo-project-item,
.wpo-team-item {
    border-radius: 12px;
    overflow: hidden;
    transition: transform var(--duration-fast) var(--ease-entrance), box-shadow var(--duration-fast) var(--ease-entrance) !important;
}

.wpo-features-item:hover,
.wpo-service-item:hover {
    box-shadow: var(--spring-shadow-hover);
}

/* 8. Reduced Motion Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    [data-spring],
    .spring-word,
    .spring-char,
    .btn-spring-magnetic {
        transform: none !important;
        opacity: 1 !important;
    }
}