/* Homepage motion layer: restrained reveals, line movement and micro-interactions. */

html.sps-home-motion-ready .sps-home-hero .sps-eyebrow,
html.sps-home-motion-ready .sps-home-hero__title,
html.sps-home-motion-ready .sps-home-hero__lead,
html.sps-home-motion-ready .sps-home-hero__actions,
html.sps-home-motion-ready .sps-home-hero__media,
html.sps-home-motion-ready .sps-hero-collage__image {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 850ms cubic-bezier(0.22, 1, 0.36, 1);
}

html.sps-home-motion-ready .sps-home-hero.is-visible .sps-eyebrow,
html.sps-home-motion-ready .sps-home-hero.is-visible .sps-home-hero__title,
html.sps-home-motion-ready .sps-home-hero.is-visible .sps-home-hero__lead,
html.sps-home-motion-ready .sps-home-hero.is-visible .sps-home-hero__actions,
html.sps-home-motion-ready .sps-home-hero.is-visible .sps-home-hero__media,
html.sps-home-motion-ready .sps-home-hero.is-visible .sps-hero-collage__image {
    opacity: 1;
    transform: translateY(0);
}

html.sps-home-motion-ready .sps-home-hero.is-visible .sps-eyebrow {
    transition-delay: 80ms;
}

html.sps-home-motion-ready .sps-home-hero.is-visible .sps-home-hero__title {
    transition-delay: 150ms;
}

html.sps-home-motion-ready .sps-home-hero.is-visible .sps-home-hero__lead {
    transition-delay: 230ms;
}

html.sps-home-motion-ready .sps-home-hero.is-visible .sps-home-hero__actions {
    transition-delay: 310ms;
}

html.sps-home-motion-ready .sps-home-hero.is-visible .sps-home-hero__media,
html.sps-home-motion-ready .sps-home-hero.is-visible .sps-hero-collage__image {
    transition-delay: 180ms;
}

.sps-home-hero::after {
    animation: sps-home-orbit 12s ease-in-out infinite alternate;
}

@keyframes sps-home-orbit {
    from {
        transform: translate3d(0, 0, 0);
    }

    to {
        transform: translate3d(-14px, 12px, 0);
    }
}

html.sps-home-motion-ready .sps-home-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 650ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 760ms cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--sps-reveal-delay, 0ms);
}

html.sps-home-motion-ready .sps-home-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Keep filled CTA button text colour stable; the shine is the hover feedback. */
.sps-home-hero__actions .has-green-background-color,
.sps-home-hero__actions .has-green-background-color:hover,
.sps-home-hero__actions .has-green-background-color:focus,
.sps-home-cta .has-green-background-color,
.sps-home-cta .has-green-background-color:hover,
.sps-home-cta .has-green-background-color:focus {
    color: var(--sps-white) !important;
}

/* Services accent line and cards. */
.sps-section--services::before {
    transform-origin: left center;
    transition:
        width 420ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.sps-section--services:hover::before {
    width: min(170px, 18vw);
    transform: translateX(10px);
}

.sps-service-card {
    will-change: transform;
}

.sps-service-card__index {
    transition: color 220ms ease, transform 220ms ease;
}

.sps-service-card:hover .sps-service-card__index {
    color: var(--sps-orange);
    transform: translateX(4px);
}

/* Intro: one accent line only, filling as the panel enters the viewport. */
.sps-intro-panel {
    border-left: 0 !important;
}

.sps-intro-panel::before {
    content: "";
    position: absolute;
    z-index: 2;
    left: 0;
    top: 0;
    width: clamp(8px, 1vw, 14px);
    height: 100%;
    background: linear-gradient(180deg, var(--sps-primary), var(--sps-orange));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 760ms cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: none;
}

.sps-intro-panel.is-visible::before {
    transform: scaleY(1);
}

/* Stats move very slightly on interaction, leaving the existing counter animation intact. */
.sps-business-stat {
    transition: transform 280ms ease, background-color 280ms ease;
}

.sps-business-stat:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.025);
}

/* Heat-pump feature. */
.sps-section--heat-pumps .sps-feature__media img {
    transition: transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.sps-section--heat-pumps .sps-feature:hover .sps-feature__media img {
    transform: scale(1.025);
}

.sps-feature__list li {
    transition: transform 220ms ease, border-color 220ms ease;
}

.sps-feature__list li::before {
    transition: transform 220ms ease, color 220ms ease;
}

.sps-feature__list li:hover {
    transform: translateX(7px);
    border-bottom-color: rgba(255, 255, 255, 0.34);
}

.sps-feature__list li:hover::before {
    color: var(--sps-orange);
    transform: rotate(90deg) scale(1.08);
}

/* Why-us: all three use the same orange hover treatment as the third item. */
.sps-reason::after {
    content: "";
    position: absolute;
    top: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--sps-orange);
    transform: scaleX(0.22);
    transform-origin: left center;
    transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.sps-reason:hover::after {
    transform: scaleX(1);
}

.sps-reason {
    transition: transform 260ms ease;
}

.sps-reason:hover {
    transform: translateY(-5px);
}

/* CTA background ring drifts subtly. */
.sps-home-cta::before {
    animation: sps-home-cta-ring 13s ease-in-out infinite alternate;
}

@keyframes sps-home-cta-ring {
    from {
        transform: translateY(-50%) translate3d(0, 0, 0);
    }

    to {
        transform: translateY(-50%) translate3d(-16px, 10px, 0);
    }
}

@media (prefers-reduced-motion: reduce) {
    html.sps-home-motion-ready .sps-home-hero .sps-eyebrow,
    html.sps-home-motion-ready .sps-home-hero__title,
    html.sps-home-motion-ready .sps-home-hero__lead,
    html.sps-home-motion-ready .sps-home-hero__actions,
    html.sps-home-motion-ready .sps-home-hero__media,
    html.sps-home-motion-ready .sps-hero-collage__image,
    html.sps-home-motion-ready .sps-home-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .sps-home-hero::after,
    .sps-home-cta::before {
        animation: none;
    }

    .sps-section--services::before,
    .sps-intro-panel::before,
    .sps-reason::after,
    .sps-business-stat,
    .sps-feature__list li,
    .sps-feature__list li::before,
    .sps-section--heat-pumps .sps-feature__media img {
        transition: none;
    }
}