/* ============================================
   LEISTUNGEN.HTML — Service Detail Page
   Also styles shared by all subpages (hero, back-buttons, quicknav)
   ============================================ */

/* ========== SUBPAGE HERO ========== */
.subpage-hero {
    position: relative;
    min-height: 65vh;
    min-height: 65svh;
    display: flex;
    align-items: flex-end;
    padding: 0;
    overflow: hidden;
    isolation: isolate;
}

.subpage-hero-bg {
    position: absolute;
    inset: -15%;
    z-index: 0;
}

@supports (animation-timeline: scroll()) {
    @keyframes subpage-hero-parallax {
        from { transform: translateY(0); }
        to   { transform: translateY(25vh); }
    }
    .subpage-hero-bg {
        animation: subpage-hero-parallax linear both;
        animation-timeline: scroll(root block);
        animation-range: 0vh 100vh;
    }
}

.subpage-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.65) contrast(1.08) saturate(0.9);
}

.subpage-hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(to right,
            rgba(20, 18, 17, 0.88) 0%,
            rgba(20, 18, 17, 0.6) 40%,
            rgba(20, 18, 17, 0.25) 80%,
            rgba(20, 18, 17, 0.2) 100%),
        linear-gradient(to bottom,
            rgba(20, 18, 17, 0.3) 0%,
            rgba(20, 18, 17, 0.5) 60%,
            rgba(20, 18, 17, 0.88) 100%);
}

.subpage-hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
    padding: 9rem 0 4rem;
}

.subpage-hero-content h1 {
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin-bottom: 1.25rem;
}

.subpage-hero-sub {
    font-size: clamp(1rem, 1.3vw, 1.1rem);
    color: var(--text-body);
    max-width: 580px;
    line-height: 1.7;
}

/* ========== STATIC BACK BUTTON ========== */
.subpage-backwrap {
    padding-top: 3rem;
    padding-bottom: 1rem;
}

.area-back {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-body);
    text-decoration: none;
    border-radius: var(--radius-pill);
    background: linear-gradient(to bottom,
                    rgba(240, 232, 217, 0.06),
                    rgba(240, 232, 217, 0.02));
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: inset 0 1px 0 rgba(240, 232, 217, 0.06),
                0 1px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.4s var(--ease);
}

.area-back:hover {
    background: linear-gradient(to bottom, var(--accent-25), var(--accent-12));
    border-color: var(--accent-60);
    color: var(--text);
    transform: translateY(-1px);
}

.area-back > span:first-child {
    transition: transform var(--dur-fast) var(--ease-soft);
    display: inline-block;
}

.area-back:hover > span:first-child {
    transform: translateX(-3px);
}

/* ========== FLOATING BACK BUTTON ========== */
.area-back-float {
    position: fixed;
    left: clamp(1rem, 2vw, 2.5rem);
    top: 50%;
    z-index: 50;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1.35rem;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-body);
    text-decoration: none;
    border-radius: var(--radius-pill);
    background: linear-gradient(to bottom,
                    rgba(20, 18, 17, 0.85),
                    rgba(20, 18, 17, 0.75));
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: inset 0 1px 0 rgba(240, 232, 217, 0.08),
                0 2px 5px rgba(0, 0, 0, 0.55);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%) translateX(-12px);
    transition: opacity 0.5s var(--ease),
                transform 0.5s var(--ease),
                background 0.4s var(--ease),
                border-color 0.4s var(--ease),
                color 0.4s var(--ease);
}

.area-back-float.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(-50%) translateX(0);
}

/* Floating Back verschwindet wenn Lightbox offen ist */
body.lb-open .area-back-float {
    opacity: 0;
    pointer-events: none;
}

.area-back-float:hover {
    background: linear-gradient(to bottom, var(--accent-25), var(--accent-12));
    border-color: var(--accent-60);
    color: var(--text);
}

.area-back-float > span:first-child {
    transition: transform var(--dur-fast) var(--ease-soft);
    display: inline-block;
}

.area-back-float:hover > span:first-child {
    transform: translateX(-2px);
}

@media (max-width: 767px) {
    .area-back-float { display: none !important; }
}

/* ========== AUTO-GENERATED QUICKNAV (injected by subpage.js) ========== */
.subpage-quicknav {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    gap: 0.65rem;
    padding: 0.75rem var(--container-pad);
    justify-content: center;
    background: rgba(20, 18, 17, 0.95);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: -54px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s var(--ease);
    overflow-x: auto;
    scrollbar-width: none;
    will-change: transform;
}

.subpage-quicknav::-webkit-scrollbar { display: none; }

.subpage-quicknav.visible {
    opacity: 1;
    pointer-events: auto;
}

.subpage-quicknav-chip {
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-body);
    text-decoration: none;
    border: 1px solid var(--border);
    background: linear-gradient(to bottom,
                    rgba(240, 232, 217, 0.04),
                    rgba(240, 232, 217, 0.01));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 0 rgba(240, 232, 217, 0.06),
                0 2px 6px var(--shadow-sm);
    transition: all 0.3s var(--ease);
    white-space: nowrap;
    cursor: pointer;
}

.subpage-quicknav-chip:hover {
    border-color: var(--accent-40);
    color: var(--text);
}

.subpage-quicknav-chip.active {
    background: linear-gradient(to bottom, var(--accent-light), var(--accent-hover));
    border-color: var(--accent-60);
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2),
                0 3px 10px var(--accent-25);
}

/* ========== SERVICE CONTENT WRAPPER ========== */
.service-content-wrap {
    position: relative;
    overflow: clip;
}

/* ========== SERVICE SECTION (editorial pattern) ========== */
.service-section {
    padding: clamp(4rem, 7vw, 8rem) 0;
    position: relative;
}

.service-section--alt {
    background: transparent;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.service-editorial {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1300px;
    margin: 0 auto;
}

@media (min-width: 960px) {
    .service-editorial {
        grid-template-columns: 1.1fr 1fr;
        gap: 5rem;
    }
    .service-editorial.reverse {
        grid-template-columns: 1fr 1.1fr;
    }
    .service-editorial.reverse .service-editorial-text {
        order: 2;
    }
    .service-editorial.reverse .service-editorial-image {
        order: 1;
    }
}

.service-editorial-text {
    max-width: 580px;
}

.service-editorial-text .label {
    margin-bottom: 1rem;
}

.service-editorial-text h2 {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin-bottom: 1.25rem;
    color: var(--text);
}

.service-lead {
    font-family: var(--font-serif);
    font-size: clamp(1.15rem, 1.5vw, 1.35rem);
    font-weight: 300;
    line-height: 1.45;
    color: var(--text);
    letter-spacing: -0.01em;
    margin-bottom: 1.75rem;
    font-style: italic;
}

.service-body p {
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.75;
    margin-bottom: 1rem;
}

.service-body p strong {
    color: var(--accent-light);
    font-weight: 500;
}

.service-list {
    list-style: none;
    margin: 2rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.65rem;
}

@media (min-width: 600px) {
    .service-list { grid-template-columns: 1fr 1fr; gap: 0.75rem 2rem; }
}

.service-list li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--text-body);
    font-size: 14px;
    line-height: 1.5;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-40);
}

.service-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 2rem;
}

.service-editorial-image {
    position: relative;
    aspect-ratio: 4/5;
    border-radius: var(--radius-lg);
    overflow: hidden;
    isolation: isolate;
    box-shadow: var(--depth-rest);
    border: 1px solid var(--border);
    max-width: 560px;
    justify-self: center;
    width: 100%;
}

.service-editorial-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-highlight);
    pointer-events: none;
    z-index: 2;
}

.service-editorial-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.85) contrast(1.05) saturate(0.95);
    transition: transform 1.2s var(--ease);
}

@media (hover: hover) and (min-width: 1025px) {
    .service-editorial-image:hover img {
        transform: scale(1.03);
    }
}

/* Reuse CTA banner styles from index.css */
.cta-banner {
    background: transparent;
    text-align: center;
    padding: clamp(5rem, 10vw, 9rem) 0;
}

.cta-inner {
    max-width: 640px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.cta-inner .label { margin-bottom: 0; }

.cta-inner h2 {
    font-size: clamp(2.2rem, 5vw, 3.75rem);
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

.cta-inner > p {
    color: var(--text-body);
    font-size: 1.0625rem;
    max-width: 480px;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    justify-content: center;
}

.cta-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    width: 100%;
    max-width: 520px;
    font-size: 13px;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}