:root {
    --bg: #07141d;
    --bg-deep: #041018;
    --panel: #0d1c26;
    --panel-2: #122530;
    --line: rgba(255, 255, 255, .12);
    --text: #f5f7f8;
    --muted: #aebcc5;
    --accent: #2696ff;
    --accent-2: #75c3ff;
    --white: #fff;
    --max: 1180px;
    --radius: 16px;
    --shadow: 0 20px 70px rgba(0, 0, 0, .28);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg-deep);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
}

body.nav-open {
    overflow: hidden;
}

html {
    scrollbar-gutter: stable;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

button,
input,
textarea,
select {
    font: inherit;
}

h1,
h2,
h3 {
    margin: 0 0 .65rem;
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.03;
    letter-spacing: -.025em;
}

h1 {
    font-size: clamp(3rem, 7vw, 6.7rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.4rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.7rem);
}

p {
    margin: 0 0 1rem;
}

.container {
    width: min(calc(100% - 40px), var(--max));
    margin-inline: auto;
}

.narrow {
    width: min(100%, 820px);
}

.section {
    padding: 82px 0;
}

.section-dark {
    background: var(--bg);
}

.section-divider {
    border-top: 1px solid var(--line);
}

.eyebrow {
    margin-bottom: .75rem;
    color: var(--accent-2);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.muted {
    color: var(--muted);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 1000;
    transform: translateY(-150%);
    background: white;
    color: black;
    padding: .75rem 1rem;
    border-radius: 8px;
}

.skip-link:focus {
    transform: none;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid transparent;
    background: rgba(4, 16, 24, .86);
    backdrop-filter: blur(16px);
    transition: border-color .2s ease, background .2s ease;
}

.site-header.scrolled {
    border-color: var(--line);
    background: rgba(4, 16, 24, .96);
}

.nav-shell {
    min-height: 88px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: inline-flex;
    align-items: center;
}

.brand img {
    width: 170px;
    height: auto;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    font-size: .96rem;
    font-weight: 700;
}

.site-nav a {
    position: relative;
    padding: .75rem 0;
    color: #e8eef2;
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: .35rem;
    height: 2px;
    background: var(--accent);
    transition: right .2s ease;
}

.site-nav a:hover::after,
.site-nav a.active::after {
    right: 0;
}

.nav-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: transparent;
    color: white;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span:not(.sr-only) {
    width: 22px;
    height: 2px;
    background: currentColor;
}

.hero {
    position: relative;
    min-height: 680px;
    display: grid;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(4, 16, 24, .99) 0%, rgba(4, 16, 24, .93) 34%, rgba(4, 16, 24, .58) 66%, rgba(4, 16, 24, .72) 100%),
        linear-gradient(180deg, rgba(4, 16, 24, .08), rgba(4, 16, 24, .36)),
        url('../img/hero/hero-tzb.webp') center / cover no-repeat,
        #07141d;
}

.hero-bg::before,
.hero-bg::after {
    content: "";
    position: absolute;
    right: 8%;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 50%;
}

.hero-bg::before {
    width: 430px;
    height: 430px;
    top: 12%;
    box-shadow: inset 0 0 0 70px rgba(0, 0, 0, .1), inset 0 0 0 120px rgba(255, 255, 255, .015);
}

.hero-bg::after {
    width: 230px;
    height: 230px;
    top: 30%;
    right: 17%;
    box-shadow: inset 0 0 0 42px rgba(255, 255, 255, .02);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 95px 0;
}

.hero-copy {
    width: min(680px, 100%);
}

.hero-services {
    max-width: 680px;
    color: #d8e1e6;
    font-size: clamp(1rem, 2vw, 1.3rem);
}

.hero-lead {
    max-width: 580px;
    color: var(--muted);
    font-size: 1.08rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .7rem;
    min-height: 50px;
    padding: .75rem 1.35rem;
    border-radius: 8px;
    font-weight: 800;
    border: 1px solid transparent;
    transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-deep);
    box-shadow: 0 12px 32px rgba(38, 150, 255, .24);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: #45a5ff;
}

.btn-outline {
    border-color: rgba(255, 255, 255, .45);
    background: rgba(4, 16, 24, .35);
}

.btn-outline:hover {
    border-color: white;
}

.btn-small {
    min-height: 44px;
    padding: .65rem 1rem;
    font-size: .9rem;
}

.text-link {
    color: var(--accent-2);
    font-weight: 800;
}

.trust-strip {
    background: #081821;
    border-bottom: 1px solid var(--line);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.trust-grid article {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 24px 22px;
    border-right: 1px solid var(--line);
}

.trust-grid article:first-child {
    border-left: 1px solid var(--line);
}

.trust-icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    color: var(--accent-2);
    font-size: 1.2rem;
}

.trust-grid strong,
.trust-grid small {
    display: block;
}

.trust-grid small {
    color: var(--muted);
    margin-top: .2rem;
}

.section-heading-row {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 28px;
}

.section-heading-row p {
    color: var(--muted);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    position: relative;
    min-height: 310px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    background: var(--panel);
}

.feature-card {
    --feature-image: linear-gradient(135deg, #172d39, #08131b);
}

.feature-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(4, 16, 24, .04) 10%, rgba(4, 16, 24, .18) 52%, rgba(4, 16, 24, .58) 100%),
        var(--feature-image) center / cover no-repeat;
    transition: transform .35s ease, filter .35s ease;
}

.feature-card--pump {
    --feature-image: url('../img/sluzby/tepelne-cerpadla.webp');
}

.feature-card--boiler {
    --feature-image: url('../img/sluzby/kotolne-strojovne.webp');
}

.feature-card--ac {
    --feature-image: url('../img/sluzby/klimatizacie.webp');
}

.feature-card:hover::before {
    transform: scale(1.045);
    filter: saturate(1.06) contrast(1.03);
}

.feature-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 35%, rgba(4, 16, 24, .96) 100%);
}

.feature-card-content {
    position: absolute;
    inset: auto 22px 22px;
    z-index: 3;
}

.feature-card-content p {
    color: #c1ccd2;
    max-width: 85%;
    font-size: .92rem;
}

.feature-card-content span {
    position: absolute;
    right: 0;
    bottom: 0;
    color: var(--accent-2);
    font-size: 1.4rem;
}

.subservices-heading {
    margin-top: 42px;
}

.service-mini-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.service-mini-grid a {
    min-height: 110px;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 18px;
    border: 0;
    border-radius: 12px;
    background: rgba(255, 255, 255, .018);
}

.service-mini-grid a:hover {
    border-color: rgba(117, 195, 255, .5);
    background: rgba(38, 150, 255, .04);
}

.service-icon {
    font-size: 2rem;
    color: var(--accent-2);
}

.service-mini-grid small {
    color: var(--muted);
    margin-left: auto;
}

.service-note {
    margin-top: 20px;
    padding-left: 18px;
    border-left: 2px solid var(--accent);
    color: var(--muted);
    max-width: 1000px;
}

.realization-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.realization-card {
    --realization-image: url('../img/sluzby/tepelne-cerpadla.webp');
    position: relative;
    min-height: 165px;
    display: flex;
    align-items: end;
    overflow: hidden;
    padding: 18px;
    border: 0;
    border-radius: 12px;
    background:
        linear-gradient(180deg, rgba(4, 16, 24, .04) 20%, rgba(4, 16, 24, .88) 100%),
        var(--realization-image) center / cover no-repeat;
}

.realization-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 25%, rgba(4, 16, 24, .72));
    transition: background .2s ease;
}

.realization-card:hover::before {
    background: linear-gradient(180deg, rgba(38, 150, 255, .04), rgba(4, 16, 24, .68));
}

.realization-card--pump {
    --realization-image: url('../img/sluzby/tepelne-cerpadla.webp');
}

.realization-card--boiler {
    --realization-image: url('../img/sluzby/kotolne-strojovne.webp');
}

.realization-card--heating {
    --realization-image: url('../img/sluzby/vykurovanie.webp');
}

.realization-card--sanitary {
    --realization-image: url('../img/sluzby/zdravotechnika.webp');
}

.realization-card span {
    position: relative;
    z-index: 2;
    font-weight: 850;
}

.split-info {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 20px;
    align-items: stretch;
}

.about-block,
.showroom-card {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, .02);
}

.about-block p:not(.eyebrow),
.showroom-card p {
    color: var(--muted);
}

.showroom-card {
    position: relative;
    min-height: 250px;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(8, 24, 33, .98) 0%, rgba(8, 24, 33, .9) 42%, rgba(8, 24, 33, .38) 100%),
        url('../img/showroom/showroom.webp') center right / cover no-repeat,
        #0b1b24;
}

.showroom-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(4, 16, 24, .18));
    pointer-events: none;
}

.showroom-card>div {
    position: relative;
    z-index: 2;
    width: min(60%, 520px);
}

.showroom-arrow {
    position: absolute;
    right: 22px;
    bottom: 20px;
    z-index: 2;
    color: var(--accent-2);
    font-size: 1.4rem;
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.partner-placeholder {
    min-height: 90px;
    display: grid;
    place-items: center;
    align-content: center;
    gap: .2rem;
    border: 1px dashed rgba(255, 255, 255, .18);
    border-radius: 12px;
    color: #dce6eb;
}

.partner-placeholder span {
    font-size: 1.55rem;
    color: var(--accent-2);
}

.partner-placeholder small {
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .16em;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.article-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, .018);
}

.article-thumb {
    aspect-ratio: 16/9;
    background: linear-gradient(180deg, rgba(4, 16, 24, .02), rgba(4, 16, 24, .22)), url('../img/sluzby/kotolne-strojovne.webp') center / cover no-repeat;
}

.article-thumb--pump {
    background-image: linear-gradient(180deg, rgba(4, 16, 24, .02), rgba(4, 16, 24, .25)), url('../img/sluzby/tepelne-cerpadla.webp');
}

.article-thumb--ceiling {
    background-image: linear-gradient(180deg, rgba(4, 16, 24, .02), rgba(4, 16, 24, .25)), url('../img/sluzby/stropne-chladenie.webp');
}

.article-card-body {
    padding: 20px;
}

.article-card-body small {
    color: var(--accent-2);
}

.article-card-body p {
    color: var(--muted);
}

.contact-cta {
    background: #eef3f6;
    color: #0c1b24;
}

.contact-cta-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: center;
}

.contact-cta .eyebrow {
    color: #246b9f;
}

.contact-direct {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: .65rem;
    font-weight: 800;
}

.site-footer {
    background: #030b10;
    border-top: 1px solid var(--line);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr 1.3fr 1.1fr;
    gap: 28px;
    padding: 48px 0 34px;
}

.footer-grid h2 {
    font-family: inherit;
    font-size: .9rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #dbe5ea;
}

.footer-grid p,
.footer-grid a {
    color: var(--muted);
    margin-bottom: .35rem;
}

.footer-brand .brand img {
    width: 185px;
}

.footer-note {
    border-left: 1px solid var(--line);
    padding-left: 24px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 20px 0 28px;
    border-top: 1px solid var(--line);
    color: #71838d;
    font-size: .84rem;
}

.footer-links {
    display: flex;
    gap: 1.2rem;
}

.page-hero {
    padding: 110px 0 70px;
    border-bottom: 1px solid var(--line);
    background: radial-gradient(circle at 78% 30%, rgba(38, 150, 255, .15), transparent 25%), var(--bg);
}

.page-hero h1 {
    font-size: clamp(2.7rem, 6vw, 5.2rem);
}

.page-hero p {
    color: var(--muted);
    font-size: 1.1rem;
}

.service-detail-list {
    display: grid;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
}

.service-detail {
    padding: 34px;
    background: var(--bg);
    scroll-margin-top: 120px;
}

.service-detail p {
    color: var(--muted);
    max-width: 760px;
}

.service-detail--secondary {
    background: #0a1b25;
}
.realization-sections {
    display: grid;
    gap: 36px;
}

.realization-section {
    display: grid;
    grid-template-columns: .65fr 1.35fr;
    gap: 26px;
    align-items: center;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 16px;
    scroll-margin-top: 120px;
}

.realization-section p {
    color: var(--muted);
}
.realization-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.realization-gallery-block {
    min-width: 0;
}

.realization-gallery-open-all {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    margin-top: 12px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--accent-2);
    font: inherit;
    font-size: .9rem;
    font-weight: 800;
    cursor: pointer;
}

.realization-gallery-open-all:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.realization-gallery-open-all:focus-visible {
    outline: 2px solid var(--accent-2);
    outline-offset: 4px;
    border-radius: 3px;
}

.realization-gallery-item {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    padding: 0;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 10px;
    background: var(--panel);
    color: var(--text);
    cursor: zoom-in;
}

.realization-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .28s ease, filter .28s ease;
}

.realization-gallery-item:hover img,
.realization-gallery-item:focus-visible img {
    transform: scale(1.035);
    filter: brightness(.88);
}

.realization-gallery-item:focus-visible {
    outline: 2px solid var(--accent-2);
    outline-offset: 3px;
}

.realization-gallery-zoom {
    position: absolute;
    right: 10px;
    bottom: 10px;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255,255,255,.24);
    border-radius: 50%;
    background: rgba(4,16,24,.76);
    color: var(--white);
    font-size: 1.15rem;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity .2s ease, transform .2s ease;
}

.realization-gallery-item:hover .realization-gallery-zoom,
.realization-gallery-item:focus-visible .realization-gallery-zoom {
    opacity: 1;
    transform: translateY(0);
}

.realization-gallery-empty {
    display: grid;
    min-height: 190px;
    place-items: center;
    border: 1px dashed rgba(255,255,255,.16);
    border-radius: 12px;
    background: rgba(255,255,255,.012);
    color: var(--muted);
    text-align: center;
}

.realization-gallery-empty p {
    margin: 0;
}

body.lightbox-open {
    overflow: hidden;
}

.gallery-lightbox[hidden] {
    display: none;
}

.gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
}

.gallery-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.9);
    backdrop-filter: blur(8px);
}

.gallery-lightbox-panel {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) 72px;
    align-items: center;
    padding: 28px;
    pointer-events: none;
}

.gallery-lightbox-figure {
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto auto;
    gap: 12px;
    margin: 0;
    min-width: 0;
    min-height: 0;
}

.gallery-lightbox-media {
    display: grid;
    min-width: 0;
    min-height: 0;
    place-items: center;
    pointer-events: auto;
    touch-action: pan-y;
}

.gallery-lightbox-image {
    width: auto;
    height: auto;
    max-width: min(84vw, 1600px);
    max-height: min(84dvh, calc(100dvh - 190px));
    object-fit: contain;
    user-select: none;
    cursor: grab;
}

.gallery-lightbox-image.is-dragging {
    cursor: grabbing;
}

.gallery-lightbox-caption {
    pointer-events: auto;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: .7rem;
    min-height: 28px;
    color: var(--text);
    text-align: center;
}

.gallery-lightbox-caption strong {
    font-size: .98rem;
}

.gallery-lightbox-caption span {
    color: #b8c3c9;
    font-size: .86rem;
}

.gallery-lightbox-thumbnails {
    display: flex;
    gap: 8px;
    /* Fit small galleries to their contents, but scroll when there are many. */
    width: max-content;
    max-width: min(100%, 1100px);
    min-width: 0;
    margin: 0 auto;
    padding: 2px 2px 8px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    pointer-events: auto;
    scroll-snap-type: x proximity;
}

.gallery-lightbox-thumbnail {
    position: relative;
    flex: 0 0 76px;
    width: 76px;
    height: 58px;
    padding: 0;
    overflow: hidden;
    border: 2px solid transparent;
    border-radius: 7px;
    background: rgba(255,255,255,.04);
    cursor: pointer;
    opacity: .58;
    scroll-snap-align: center;
    transition: opacity .18s ease, border-color .18s ease, transform .18s ease;
}

.gallery-lightbox-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-lightbox-thumbnail:hover,
.gallery-lightbox-thumbnail:focus-visible {
    opacity: .92;
}

.gallery-lightbox-thumbnail[aria-current="true"] {
    border-color: transparent;
    opacity: 1;
}

.gallery-lightbox-thumbnail[aria-current="true"]::after {
    content: "";
    position: absolute;
    inset: 0;
    border: 5px solid var(--accent-2);
    border-radius: inherit;
    pointer-events: none;
}

.gallery-lightbox-thumbnail:focus-visible {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

.gallery-lightbox-close,
.gallery-lightbox-nav {
    pointer-events: auto;
    border: 1px solid rgba(255,255,255,.2);
    background: rgba(4,16,24,.72);
    color: var(--white);
    cursor: pointer;
    transition: background .18s ease, border-color .18s ease, transform .18s ease;
    padding-bottom: 6px;
}

.gallery-lightbox-close:hover,
.gallery-lightbox-close:focus-visible,
.gallery-lightbox-nav:hover,
.gallery-lightbox-nav:focus-visible {
    border-color: rgba(255,255,255,.55);
    background: rgba(13,28,38,.94);
}

.gallery-lightbox-close:focus-visible,
.gallery-lightbox-nav:focus-visible {
    outline: 2px solid var(--accent-2);
    outline-offset: 3px;
}

.gallery-lightbox-close {
    position: absolute;
    top: 22px;
    right: 24px;
    z-index: 3;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 2rem;
    line-height: 1;
}

.gallery-lightbox-nav {
    position: relative;
    z-index: 2;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    font-size: 2.2rem;
    line-height: 1;
}

.gallery-lightbox-nav--previous {
    justify-self: start;
}

.gallery-lightbox-nav--next {
    justify-self: end;
}


@media (max-width: 980px) {
    .site-nav { gap: 1.2rem; }
    .trust-grid { grid-template-columns: repeat(2,1fr); }
    .trust-grid article:nth-child(odd) { border-left: 1px solid var(--line); }
    .feature-grid { grid-template-columns: 1fr 1fr; }
    .feature-card:last-child { grid-column: 1 / -1; }
    .service-mini-grid { grid-template-columns: repeat(2,1fr); }
    .realization-grid { grid-template-columns: repeat(2,1fr); }
    .partner-grid { grid-template-columns: repeat(3,1fr); }
    .article-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: repeat(2,1fr); }
    .realization-section, .showroom-layout { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .container { width: min(calc(100% - 28px), var(--max)); }
    .section { padding: 62px 0; }
    .nav-shell { min-height: 74px; }
    .brand img { width: 145px; }
    .nav-toggle { display: flex; }
    .site-nav { position: fixed; inset: 74px 0 auto; max-height: calc(100dvh - 74px); overflow-y: auto; overscroll-behavior: contain; display: grid; gap: 0; padding: 10px 20px 26px; background: rgba(4,16,24,.99); border-bottom: 1px solid var(--line); transform: translateY(-125%); opacity: 0; pointer-events: none; transition: transform .24s ease, opacity .24s ease; }
    .site-nav.open { transform: none; opacity: 1; pointer-events: auto; }
    .site-nav a { padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.08); }
    .hero { min-height: 620px; }
    .hero-bg::before { width: 290px; height: 290px; right: -80px; top: 25%; }
    .hero-bg::after { display: none; }
    .hero-content { padding: 74px 0; }
    .hero-services { font-size: 1rem; }
    .trust-grid { grid-template-columns: 1fr; }
    .trust-grid article, .trust-grid article:nth-child(odd) { border-left: 1px solid var(--line); }
    .feature-grid, .article-grid, .split-info, .contact-cta-grid, .contact-grid { grid-template-columns: 1fr; }
    .feature-card:last-child { grid-column: auto; }
    .feature-card { min-height: 260px; }
    .section-heading-row { align-items: flex-start; flex-direction: column; }
    .service-mini-grid, .realization-grid { grid-template-columns: 1fr; }
    .split-info { gap: 14px; }
    .showroom-card > div { width: 100%; padding-right: 30px; }
    .showroom-card::after { opacity: .35; }
    .partner-grid { grid-template-columns: repeat(2,1fr); }
    .contact-direct { align-items: flex-start; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-note { border-left: 0; padding-left: 0; }
    .footer-bottom { flex-direction: column; }
    .realization-gallery {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gallery-lightbox-panel {
        grid-template-columns: 52px minmax(0, 1fr) 52px;
        padding: 18px 10px;
    }

    .gallery-lightbox-nav {
        width: 44px;
        height: 44px;
    }

    .gallery-lightbox-close {
        top: 14px;
        right: 14px;
        width: 44px;
        height: 44px;
    }

    .gallery-lightbox-caption {
        flex-direction: column;
        align-items: center;
        gap: .2rem;
    }


    .gallery-lightbox-image {
        max-width: min(84vw, 1600px);
        max-height: min(78dvh, calc(100dvh - 175px));
    }

    .gallery-lightbox-thumbnails {
        gap: 6px;
        padding-bottom: 4px;
    }

   .gallery-lightbox-thumbnail {
        flex-basis: 64px;
        width: 64px;
        height: 48px;
    }
}

/* ESCETECH lightbox mobile: one full-width media column, overlaid arrows. */
@media (max-width: 600px) {
    .gallery-lightbox-panel {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        padding: 50px 12px max(18px, env(safe-area-inset-bottom));
    }

    .gallery-lightbox-figure {
        grid-column: 1;
        grid-row: 1;
        width: 100%;
        max-width: 100%;
        gap: 10px;
    }

    .gallery-lightbox-image {
        max-width: 100%;
        max-height: min(76dvh, calc(100dvh - 190px));
    }

    .gallery-lightbox-nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        margin: 0;
        z-index: 3;
        background: rgba(4,16,24,.82);
    }

    .gallery-lightbox-nav--previous { left: 8px; }
    .gallery-lightbox-nav--next { right: 8px; }

    .gallery-lightbox-caption {
        max-width: 100%;
        padding-inline: 8px;
        overflow-wrap: anywhere;
    }

    .gallery-lightbox-thumbnails {
        max-width: 100%;
        justify-self: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}


/* ESCETECH-04: richer Services page + mutual linking with Realizations */
.service-detail-list--expanded {
    gap: 36px;
    background: transparent;
    border: 0;
    border-radius: 0;
    overflow: visible;
}

.service-detail--with-media {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr);
    gap: 38px;
    align-items: center;
    min-height: 320px;
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    padding: 0;
    background: rgba(255,255,255,.018);
}

.service-detail--reverse .service-detail-copy {
    order: 2;
}

.service-detail--reverse .service-detail-media {
    order: 1;
}

.service-detail-copy {
    padding: 38px;
}

.service-detail-actions {
    margin-top: 24px;
}

.service-detail-media {
    min-height: 320px;
    height: 100%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.service-detail-media--pump {
    background-image: linear-gradient(180deg, rgba(4,16,24,.04), rgba(4,16,24,.22)), url('../img/sluzby/tepelne-cerpadla.webp');
}

.service-detail-media--boiler {
    background-image: linear-gradient(180deg, rgba(4,16,24,.04), rgba(4,16,24,.22)), url('../img/sluzby/kotolne-strojovne.webp');
}

.service-detail-media--ac {
    background-image: linear-gradient(180deg, rgba(4,16,24,.04), rgba(4,16,24,.22)), url('../img/sluzby/klimatizacie.webp');
}

.service-detail-media--heating {
    background-image: linear-gradient(180deg, rgba(4,16,24,.04), rgba(4,16,24,.22)), url('../img/sluzby/vykurovanie.webp');
}

.service-detail-media--sanitary {
    background-image: linear-gradient(180deg, rgba(4,16,24,.04), rgba(4,16,24,.22)), url('../img/sluzby/zdravotechnika.webp');
}

.service-detail-media--connections {
    background-image: linear-gradient(180deg, rgba(4,16,24,.04), rgba(4,16,24,.22)), url('../img/sluzby/pripojky-a-rozvody.webp');
}

.realization-section-copy .text-link {
    display: inline-flex;
    margin-top: 10px;
}

@media (max-width: 760px) {
    .service-detail--with-media {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .service-detail--reverse .service-detail-copy,
    .service-detail--reverse .service-detail-media {
        order: initial;
    }

    .service-detail-copy {
        padding: 26px;
    }

    .service-detail-media {
        min-height: 220px;
    }
}

/* ESCETECH-05: article content + mobile menu opens from below the header */
.article-prose h2 {
    margin-top: 2.3rem;
    font-size: clamp(1.6rem, 3vw, 2.25rem);
}

.article-prose p,
.article-prose li {
    color: var(--muted);
}

.article-prose ul {
    margin: 1rem 0 0;
    padding-left: 1.25rem;
}

.article-prose li + li {
    margin-top: .55rem;
}

.article-hero {
    min-height: 380px;
    margin: 2rem 0 2.5rem;
    border-radius: 16px;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    box-shadow: var(--shadow);
}

.article-hero--pump {
    background-image:
        linear-gradient(180deg, rgba(4,16,24,.02), rgba(4,16,24,.25)),
        url('../img/sluzby/tepelne-cerpadla.webp');
}

.article-hero--ceiling {
    background-image:
        linear-gradient(180deg, rgba(4,16,24,.02), rgba(4,16,24,.25)),
        url('../img/sluzby/stropne-chladenie.webp');
}

.article-callout {
    margin-top: 2.5rem;
    padding: 24px;
    border-left: 3px solid var(--accent);
    border-radius: 0 12px 12px 0;
    background: rgba(255,255,255,.025);
}

.article-callout strong {
    display: block;
    margin-bottom: .45rem;
    color: var(--text);
    font-size: 1.05rem;
}

.article-callout p {
    margin-bottom: .8rem;
}

@media (max-width: 760px) {
    .site-nav {
        top: 74px;
        bottom: auto;
        inset-inline: 0;
        transform: translateY(-14px);
        transform-origin: top center;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    .site-nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .article-hero {
        min-height: 240px;
    }
}


/* ESCETECH-07: clickable article cards + explicit full-width service CTA */
.article-card-link {
    display: block;
    color: inherit;
    transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.article-card-link:hover,
.article-card-link:focus-visible {
    transform: translateY(-3px);
    border-color: rgba(117,195,255,.5);
    background: rgba(38,150,255,.035);
}

.article-card-link:focus-visible,
.article-list-card:focus-visible,
.service-realizations-link:focus-visible {
    outline: 2px solid var(--accent-2);
    outline-offset: 3px;
}

.article-card-body {
    position: relative;
    padding-right: 54px;
}

.article-card-arrow {
    position: absolute;
    right: 20px;
    bottom: 20px;
    color: var(--accent-2);
    font-size: 1.35rem;
    transition: transform .18s ease;
}

.article-card-link:hover .article-card-arrow,
.article-card-link:focus-visible .article-card-arrow {
    transform: translateX(4px);
}

.article-list-card:hover,
.article-list-card:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(117,195,255,.5);
    background: rgba(38,150,255,.03);
}

.article-list-link {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    margin-top: .45rem;
    color: var(--accent-2);
    font-weight: 800;
}

.article-list-link span {
    transition: transform .18s ease;
}

.article-list-card:hover .article-list-link span,
.article-list-card:focus-visible .article-list-link span {
    transform: translateX(4px);
}

.service-realizations-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 48px;
    padding: .8rem 1rem;
    border: 1px solid rgba(117,195,255,.26);
    border-radius: 10px;
    background: rgba(38,150,255,.035);
    color: var(--accent-2);
    font-weight: 800;
    transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.service-realizations-link:hover,
.service-realizations-link:focus-visible {
    border-color: rgba(117,195,255,.62);
    background: rgba(38,150,255,.08);
    transform: translateY(-1px);
}

.service-realizations-link > span:last-child {
    font-size: 1.2rem;
    transition: transform .18s ease;
}

.service-realizations-link:hover > span:last-child,
.service-realizations-link:focus-visible > span:last-child {
    transform: translateX(4px);
}


/* eSCeTech – experiment 01: technické ikony a jemné oživenie kariet na úvode.
   Fotografie, odkazy a ostatné stránky ostávajú bez zmeny. */
@property --esc-border-angle {
    syntax: "<angle>";
    inherits: false;
    initial-value: 0deg;
}

.feature-grid .feature-card {
    --tech-accent: #34c7dd;
    --tech-accent-soft: rgba(52, 199, 221, .38);
    isolation: isolate;
    transition: border-color .25s ease, box-shadow .3s ease;
}
.feature-grid .feature-card--boiler {
    --tech-accent: #ffa264;
    --tech-accent-soft: rgba(255, 162, 100, .35);
}
.feature-grid .feature-card--ac {
    --tech-accent: #8db9ff;
    --tech-accent-soft: rgba(141, 185, 255, .35);
}
.feature-grid .feature-card::after {
    content: "";
    position: absolute;
    z-index: 4;
    inset: 0;
    border: 2px solid transparent;
    border-radius: inherit;
    pointer-events: none;
    background: conic-gradient(from var(--esc-border-angle), transparent 0deg,
        transparent 230deg, var(--tech-accent) 285deg, transparent 340deg) border-box;
    -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .25s ease;
}
.feature-grid .feature-card:is(:hover, :focus-visible) {
    border-color: var(--tech-accent-soft);
    box-shadow: var(--shadow), 0 0 24px var(--tech-accent-soft);
}
.feature-grid .feature-card:is(:hover, :focus-visible)::after {
    opacity: 1;
    animation: esc-border-trace 2.4s linear infinite;
}
@keyframes esc-border-trace { to { --esc-border-angle: 360deg; } }

.feature-tech-badge {
    position: absolute;
    z-index: 3;
    top: 17px;
    right: 17px;
    display: grid;
    place-items: center;
    width: 75px;
    height: 75px;
    border: 1px solid var(--tech-accent-soft);
    border-radius: 15px;
    background: rgba(4, 16, 24, .79);
    backdrop-filter: blur(7px);
    color: var(--tech-accent);
    box-shadow: inset 0 0 20px rgba(255,255,255,.02);
    transition: transform .3s ease, background .3s ease;
}
.feature-technical-icon { width: 56px; height: 56px; overflow: visible; }
.feature-technical-icon .tech-case,
.feature-technical-icon .tech-ring,
.feature-technical-icon .tech-pipe { stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.feature-technical-icon .tech-detail { fill: currentColor; opacity: .83; }
.feature-technical-icon .tech-hub { fill: #ecf6ff; }
.feature-technical-icon .tech-rotor { transform-origin: 32px 32px; }
.feature-technical-icon .tech-flow,
.feature-technical-icon .tech-wind { stroke: currentColor; stroke-width: 2.3; stroke-linecap: round; }
.feature-grid .feature-card:is(:hover, :focus-visible) .feature-tech-badge { transform: translateY(-3px); background: rgba(4,16,24,.9); }
.feature-grid .feature-card:is(:hover, :focus-visible) .tech-rotor { animation: esc-rotor 1.6s linear infinite; }
.feature-grid .feature-card:is(:hover, :focus-visible) .tech-flow { animation: esc-flow 1.1s ease-in-out infinite alternate; }
.feature-grid .feature-card:is(:hover, :focus-visible) .tech-wind { animation: esc-wind 1.2s ease-in-out infinite alternate; }
.feature-grid .feature-card:is(:hover, :focus-visible) .tech-wind--two { animation-delay: .2s; }
.feature-grid .feature-card:is(:hover, :focus-visible) .tech-wind--three { animation-delay: .4s; }
@keyframes esc-rotor { to { transform: rotate(360deg); } }
@keyframes esc-flow { from { opacity: .25; transform: translateY(-2px); } to { opacity: 1; transform: translateY(2px); } }
@keyframes esc-wind { from { opacity: .25; transform: translateY(-3px); } to { opacity: 1; transform: translateY(3px); } }

.service-mini-grid .service-icon { display: inline-grid; flex: 0 0 38px; place-items: center; color: #d5e2e9; }
.service-mini-grid .mini-technical-icon { width: 37px; height: 37px; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s ease; }
.service-mini-grid a { border: 1px solid transparent; transition: border-color .25s ease, background .25s ease; }
.service-mini-grid a:is(:hover, :focus-visible) { border-color: rgba(205,224,235,.46); background: rgba(255,255,255,.045); }
.service-mini-grid a:is(:hover, :focus-visible) .mini-technical-icon { transform: translateY(-3px); }

/* Obsah zostáva vždy viditeľný bez JavaScriptu. Trieda sa pridá až po aktivácii pozorovania. */
@media (prefers-reduced-motion: no-preference) {
    .esc-reveal-ready .feature-grid .feature-card,
    .esc-reveal-ready .service-mini-grid a { opacity: 0; transform: translateY(23px); }
    .esc-reveal-ready .feature-grid .feature-card.esc-visible,
    .esc-reveal-ready .service-mini-grid a.esc-visible {
        animation: esc-card-in 650ms cubic-bezier(.2,.7,.25,1) both;
        animation-delay: calc(var(--esc-index, 0) * 115ms);
    }
    @supports (animation-delay: calc(sibling-index() * 1ms)) {
        .esc-reveal-ready .feature-grid .feature-card.esc-visible,
        .esc-reveal-ready .service-mini-grid a.esc-visible {
            animation-delay: calc((sibling-index() - 1) * 115ms);
        }
    }
}
@keyframes esc-card-in { from { opacity: 0; transform: translateY(23px); } to { opacity: 1; transform: none; } }
@media (max-width: 760px) {
    .feature-tech-badge { width: 66px; height: 66px; top: 13px; right: 13px; }
    .feature-technical-icon { width: 49px; height: 49px; }
}
@media (prefers-reduced-motion: reduce) {
    .esc-reveal-ready .feature-grid .feature-card,
    .esc-reveal-ready .service-mini-grid a { opacity: 1; transform: none; }
}

/* Jednorazové animovanie technických ikon aj na dotykových zariadeniach. */
@media (prefers-reduced-motion: no-preference) {
    .feature-grid .feature-card.esc-visible .tech-rotor {
        animation: esc-rotor 1.5s linear 1;
        animation-delay: calc(var(--esc-index, 0) * 115ms + 450ms);
    }
    .feature-grid .feature-card.esc-visible .tech-flow {
        animation: esc-flow .75s ease-in-out 2 alternate;
        animation-delay: calc(var(--esc-index, 0) * 115ms + 450ms);
    }
    .feature-grid .feature-card.esc-visible .tech-wind {
        animation: esc-wind .75s ease-in-out 2 alternate;
        animation-delay: calc(var(--esc-index, 0) * 115ms + 450ms);
    }
    .feature-grid .feature-card:is(:hover, :focus-visible) .tech-rotor {
        animation: esc-rotor 1.6s linear infinite;
        animation-delay: 0s;
    }
    .feature-grid .feature-card:is(:hover, :focus-visible) .tech-flow {
        animation: esc-flow 1.1s ease-in-out infinite alternate;
        animation-delay: 0s;
    }
    .feature-grid .feature-card:is(:hover, :focus-visible) .tech-wind {
        animation: esc-wind 1.2s ease-in-out infinite alternate;
        animation-delay: 0s;
    }
}


/* eSCeTech – Experiment 02: obsah a ikony nad menším fotografickým náhľadom. */
.feature-grid .feature-card {
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: #0b1b25;
    text-decoration: none;
}
.feature-grid .feature-card::before { content: none; }
.feature-grid .feature-card-header {
    min-height: 158px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 21px 20px;
}
.feature-grid .feature-tech-badge {
    position: static;
    flex: 0 0 72px;
    width: 72px;
    height: 72px;
    backdrop-filter: none;
}
.feature-grid .feature-card-content {
    position: static;
    flex: 1;
    min-width: 0;
}
.feature-grid .feature-card-content h3 { font-size: clamp(1.28rem, 1.65vw, 1.7rem); line-height: 1.16; margin: 0 0 9px; }
.feature-grid .feature-card-content p { max-width: none; margin: 0; font-size: .85rem; line-height: 1.5; }
.feature-grid .feature-card-content span { position: static; display: inline-block; margin-top: 7px; line-height: 1; }
.feature-grid .feature-card-photo {
    position: relative;
    flex: 1 0 155px;
    min-height: 155px;
    overflow: hidden;
    border-top: 1px solid rgba(255,255,255,.09);
    background: #152a34;
}
.feature-grid .feature-card-photo::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--feature-image) center / cover no-repeat;
    transition: transform .4s ease, filter .4s ease;
}
.feature-grid .feature-card:is(:hover,:focus-visible) .feature-card-photo::before {
    transform: scale(1.06);
    filter: saturate(1.08);
}
.feature-grid .feature-card .feature-card-photo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(4,16,24,.13));
    pointer-events: none;
}
.feature-grid .feature-card:is(:hover,:focus-visible) .feature-tech-badge { background: rgba(4,16,24,.8); }

/* Štyri monochromatické mikroanimácie: vstup do viewportu aj opakovanie na hover/focus. */
.service-mini-grid .mini-technical-icon .mini-heat,
.service-mini-grid .mini-technical-icon .mini-water,
.service-mini-grid .mini-technical-icon .mini-junction,
.service-mini-grid .mini-technical-icon .mini-sun,
.service-mini-grid .mini-technical-icon .mini-shine { transform-box: fill-box; transform-origin: center; }
.service-mini-grid .mini-shine { opacity: 0; }
@keyframes esc-mini-heat { 0%,100% { opacity: .55; transform: translateY(1px); } 50% { opacity: 1; transform: translateY(-3px); } }
@keyframes esc-mini-drop { 0%,100% { transform: translateY(-2px); opacity: .65; } 50% { transform: translateY(2px); opacity: 1; } }
@keyframes esc-mini-pipe { 0%,100% { opacity: .6; transform: scale(.85); } 50% { opacity: 1; transform: scale(1.22); } }
@keyframes esc-mini-sun { 0%,100% { opacity: .5; transform: rotate(-6deg); } 50% { opacity: 1; transform: rotate(6deg); } }
@keyframes esc-mini-shine { 0%,15%,100% { opacity: 0; } 45%,65% { opacity: .85; } }
@media (prefers-reduced-motion: no-preference) {
    .service-mini-grid a:is(:hover,:focus-visible).mini-service--heating .mini-heat,
    .service-mini-grid a.esc-visible.mini-service--heating .mini-heat { animation: esc-mini-heat .95s ease-in-out 2; }
    .service-mini-grid a:is(:hover,:focus-visible).mini-service--sanitary .mini-water,
    .service-mini-grid a.esc-visible.mini-service--sanitary .mini-water { animation: esc-mini-drop .85s ease-in-out 2; }
    .service-mini-grid a:is(:hover,:focus-visible).mini-service--pipes .mini-junction,
    .service-mini-grid a.esc-visible.mini-service--pipes .mini-junction { animation: esc-mini-pipe .85s ease-in-out 2; }
    .service-mini-grid a:is(:hover,:focus-visible).mini-service--solar .mini-sun,
    .service-mini-grid a.esc-visible.mini-service--solar .mini-sun { animation: esc-mini-sun .95s ease-in-out 2; }
    .service-mini-grid a:is(:hover,:focus-visible).mini-service--solar .mini-shine,
    .service-mini-grid a.esc-visible.mini-service--solar .mini-shine { animation: esc-mini-shine 1.3s ease-in-out 2; }
}
@media (max-width: 1100px) {
    .feature-grid .feature-card-header { gap: 10px; padding: 17px 14px; }
    .feature-grid .feature-tech-badge { flex-basis: 59px; width: 59px; height: 59px; }
    .feature-grid .feature-technical-icon { width: 45px; height: 45px; }
}
@media (max-width: 760px) {
    .feature-grid .feature-card-header { min-height: 130px; padding: 18px; }
    .feature-grid .feature-card-photo { min-height: 145px; flex-basis: 145px; }
}
@media (max-width: 520px) {
    .feature-grid .feature-card-header { min-height: 120px; gap: 15px; }
    .feature-grid .feature-tech-badge { flex-basis: 62px; width: 62px; height: 62px; }
    .feature-grid .feature-card-content h3 { font-size: 1.4rem; }
}

/* eSCeTech – Experiment 03: šípka v pravom hornom rohu hlavných kariet. */
.feature-grid .feature-card-header { position: relative; }
.feature-grid .feature-card-content { padding-right: 15px; }
.feature-grid .feature-card-content > span {
    position: absolute;
    top: 12px;
    right: 17px;
    bottom: auto;
    margin: 0;
    display: inline-grid;
    place-items: center;
    width: 24px;
    height: 24px;
    color: var(--accent-2);
    font-size: 1.25rem;
    line-height: 1;
    transition: transform .2s ease, color .2s ease;
}
.feature-grid .feature-card:is(:hover, :focus-visible) .feature-card-content > span {
    transform: translateX(3px);
    color: var(--tech-accent);
}

/* Experiment 03: viditeľnejšie, no stále decentné monochromatické animácie.
   Nábeh sa spustí pri prvom vstupe karty do viewportu (esc-visible).
   Hover/focus používa iný názov animácie, aby sa dokázala znovu spustiť. */
@keyframes esc03-heat {
    0% { transform: translateY(3px); opacity: .25; }
    55% { transform: translateY(-4px); opacity: 1; }
    100% { transform: translateY(-6px); opacity: .3; }
}
@keyframes esc03-water {
    0% { transform: translateY(-5px) scale(.84); opacity: .4; }
    65% { transform: translateY(3px) scale(1.06); opacity: 1; }
    100% { transform: translateY(3px) scale(1); opacity: .8; }
}
@keyframes esc03-junction {
    0%,100% { transform: scale(.8); opacity: .45; }
    50% { transform: scale(1.45); opacity: 1; }
}
@keyframes esc03-sun {
    0%,100% { transform: translateY(1px) rotate(-10deg); opacity: .5; }
    50% { transform: translateY(-2px) rotate(12deg); opacity: 1; }
}
@keyframes esc03-shine {
    0%,10%,100% { opacity: 0; stroke-dashoffset: 32; }
    30%,70% { opacity: 1; }
    85% { stroke-dashoffset: -32; opacity: 0; }
}
@media (prefers-reduced-motion: no-preference) {
    .service-mini-grid a.esc-visible.mini-service--heating .mini-heat {
        animation: esc03-heat 1.05s ease-in-out 3 alternate;
    }
    .service-mini-grid a.esc-visible.mini-service--sanitary .mini-water {
        animation: esc03-water 1.05s ease-in-out 3 alternate;
    }
    .service-mini-grid a.esc-visible.mini-service--pipes .mini-junction {
        animation: esc03-junction .95s ease-in-out 3;
    }
    .service-mini-grid a.esc-visible.mini-service--solar .mini-sun {
        animation: esc03-sun 1.1s ease-in-out 3;
    }
    .service-mini-grid a.esc-visible.mini-service--solar .mini-shine {
        stroke-dasharray: 32;
        animation: esc03-shine 1.5s linear 3;
    }
    /* Odlišné animation-name spôsobí reštart aj po jednorazovom zobrazení. */
    .service-mini-grid a:is(:hover,:focus-visible).mini-service--heating .mini-heat {
        animation: esc03-heat-hover 1.05s ease-in-out infinite alternate;
    }
    .service-mini-grid a:is(:hover,:focus-visible).mini-service--sanitary .mini-water {
        animation: esc03-water-hover 1.05s ease-in-out infinite alternate;
    }
    .service-mini-grid a:is(:hover,:focus-visible).mini-service--pipes .mini-junction {
        animation: esc03-junction-hover .95s ease-in-out infinite;
    }
    .service-mini-grid a:is(:hover,:focus-visible).mini-service--solar .mini-sun {
        animation: esc03-sun-hover 1.1s ease-in-out infinite;
    }
    .service-mini-grid a:is(:hover,:focus-visible).mini-service--solar .mini-shine {
        stroke-dasharray: 32;
        animation: esc03-shine-hover 1.5s linear infinite;
    }
}
@keyframes esc03-heat-hover { 0% { transform: translateY(3px); opacity: .25; } 55% { transform: translateY(-4px); opacity: 1; } 100% { transform: translateY(-6px); opacity: .3; } }
@keyframes esc03-water-hover { 0% { transform: translateY(-5px) scale(.84); opacity: .4; } 65% { transform: translateY(3px) scale(1.06); opacity: 1; } 100% { transform: translateY(3px) scale(1); opacity: .8; } }
@keyframes esc03-junction-hover { 0%,100% { transform: scale(.8); opacity: .45; } 50% { transform: scale(1.45); opacity: 1; } }
@keyframes esc03-sun-hover { 0%,100% { transform: translateY(1px) rotate(-10deg); opacity: .5; } 50% { transform: translateY(-2px) rotate(12deg); opacity: 1; } }
@keyframes esc03-shine-hover { 0%,10%,100% { opacity: 0; stroke-dashoffset: 32; } 30%,70% { opacity: 1; } 85% { stroke-dashoffset: -32; opacity: 0; } }

/* Experiment 05: uzavreté animácie horných ikon bez skoku pri návrate.
   Každá sekvencia začína aj končí v pokojovej polohe SVG.
   Staršie infinite hover animácie prebijeme aj po dokončení cyklu. */
@keyframes esc05-rotor {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
@keyframes esc05-flow {
    0%, 100% { opacity: 1; transform: translateY(0); }
    50%      { opacity: .35; transform: translateY(-3px); }
}
@keyframes esc05-wind {
    0%, 100% { opacity: 1; transform: translateY(0); }
    50%      { opacity: .3; transform: translateY(4px); }
}
@media (prefers-reduced-motion: no-preference) {
    /* Bez nekonečných hover animácií; jedna sekvencia je riadená JS. */
    .feature-grid .feature-card:is(:hover, :focus-visible):not(.esc-icon-playing) .tech-rotor,
    .feature-grid .feature-card:is(:hover, :focus-visible):not(.esc-icon-playing) .tech-flow,
    .feature-grid .feature-card:is(:hover, :focus-visible):not(.esc-icon-playing) .tech-wind,
    .feature-grid .feature-card.esc-icon-played:not(.esc-icon-playing) .tech-rotor,
    .feature-grid .feature-card.esc-icon-played:not(.esc-icon-playing) .tech-flow,
    .feature-grid .feature-card.esc-icon-played:not(.esc-icon-playing) .tech-wind {
        animation: none;
        transform: none;
        opacity: 1;
    }
    .feature-grid .feature-card.esc-icon-playing .tech-rotor {
        animation: esc05-rotor 1.35s linear 1 both;
        animation-delay: 0s;
    }
    .feature-grid .feature-card.esc-icon-playing .tech-flow {
        animation: esc05-flow 1.3s ease-in-out 1 both;
        animation-delay: 0s;
    }
    .feature-grid .feature-card.esc-icon-playing .tech-wind {
        animation: esc05-wind 1.1s ease-in-out 1 both;
        animation-delay: 0s;
    }
    .feature-grid .feature-card.esc-icon-playing .tech-wind--two { animation-delay: .12s; }
    .feature-grid .feature-card.esc-icon-playing .tech-wind--three { animation-delay: .24s; }
}


/* eSCeTech lightbox layout fix 2026-10-24: prevent intrinsic image/strip width
   from expanding the grid; keep media centred and thumbs scrollable. */
.gallery-lightbox,
.gallery-lightbox-panel {
    min-width: 0;
    min-height: 0;
    max-width: 100%;
    overflow: hidden;
}
.gallery-lightbox-panel {
    grid-template-columns: 72px minmax(0, 1fr) 72px;
    grid-template-rows: minmax(0, 1fr);
}
.gallery-lightbox-figure {
    grid-column: 2;
    grid-row: 1;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr) auto auto;
    justify-items: stretch;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}
.gallery-lightbox-media {
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.gallery-lightbox-image {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    flex: 0 1 auto;
}
.gallery-lightbox-caption {
    min-width: 0;
    max-width: 100%;
    flex-wrap: wrap;
    overflow-wrap: anywhere;
}
.gallery-lightbox-thumbnails {
    box-sizing: border-box;
    width: fit-content;
    max-width: 100%;
    min-width: 0;
    justify-self: center;
    margin-inline: auto;
    overflow-x: auto;
    overflow-y: hidden;
}
@media (max-width: 760px) {
    .gallery-lightbox-panel {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: minmax(0, 1fr);
        padding: 56px 10px max(12px, env(safe-area-inset-bottom));
    }
    .gallery-lightbox-figure {
        grid-column: 1;
        grid-row: 1;
        gap: 10px;
    }
    .gallery-lightbox-nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 3;
        margin: 0;
        background: rgba(4,16,24,.82);
    }
    .gallery-lightbox-nav--previous { left: 8px; }
    .gallery-lightbox-nav--next { right: 8px; }
    .gallery-lightbox-caption {
        padding-inline: 4px;
        text-align: center;
    }
}

/* ESCETECH – showroom: real concept render, not a decorative placeholder */
.showroom-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, .8fr);
    gap: clamp(24px, 4vw, 52px);
    align-items: center;
}
.showroom-plan { margin: 0; min-width: 0; }
.showroom-plan img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 650px;
    object-fit: contain;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #eef1f2;
}
.showroom-plan figcaption { margin-top: 12px; color: var(--muted); font-size: .88rem; }

/* Fotografie doplnene do /assets/img/sluzby/; identicky pristup ako ostatne sluzby. */
.service-detail-media--solar {
    background-image: linear-gradient(180deg, rgba(4,16,24,.04), rgba(4,16,24,.22)), url('../img/sluzby/fotovoltika.webp');
}
.service-detail-media--other {
    background-image: linear-gradient(180deg, rgba(4,16,24,.04), rgba(4,16,24,.22)), url('../img/sluzby/dalsie-technicke-prace.webp');
}