/* =====================================================================
   Lucky Roof – Střechy Lukáš Pícha
   Hlavní styly webu
   ---------------------------------------------------------------------
   Obsah:
   1.  Proměnné (barvy, fonty, stíny)        – tady se mění design
   2.  Reset a základní styly
   3.  Pomocné třídy (container, tlačítka)
   4.  Hlavička a navigace
   5.  Hero (úvodní sekce)
   6.  Sekce + nadpisy
   7.  Karty služeb / výhody / o firmě
   8.  CTA pruh
   9.  Stránky: záhlaví, služby detail, postup
   10. Galerie + lightbox
   11. Kontakt + formulář + mapa
   12. Patička + tlačítko nahoru
   13. Responzivita (mobil / tablet)
   ===================================================================== */

/* =====================================================================
   1. PROMĚNNÉ — TADY UPRAVUJTE BARVY A VZHLED
   ===================================================================== */
:root {
    /* Barvy podle loga a vizitky */
    --color-primary: #E63027;       /* červená ze střechy v logu */
    --color-primary-dark: #c41f17;  /* tmavší červená pro hover */
    --color-dark: #1a1a1a;          /* černá z vizitky */
    --color-accent-dark: #2c2c2c;   /* tmavě šedá */
    --color-bg: #ffffff;            /* světlé pozadí */
    --color-bg-alt: #f6f6f7;        /* jemně šedá sekce */
    --color-text: #222222;          /* hlavní text */
    --color-text-muted: #666666;    /* sekundární text */
    --color-border: #e5e5e7;        /* jemné linky */

    /* Typografie */
    --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Rozměry */
    --container: 1200px;
    --radius: 14px;
    --radius-sm: 10px;

    /* Stíny */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.14);

    /* Přechody */
    --transition: 0.25s ease;
}

/* =====================================================================
   2. RESET A ZÁKLADNÍ STYLY
   ===================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    /* Kompenzace sticky hlavičky (78px) u anchor odkazů (#o-nas, #klempirske…) */
    scroll-padding-top: 90px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.65;
    font-size: 17px;
    overflow-x: hidden;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-primary-dark);
}

h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-dark);
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Skrytý odkaz pro přístupnost – objeví se při tabování */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 10px 18px;
    z-index: 2000;
    border-radius: 0 0 8px 0;
}
.skip-link:focus {
    left: 0;
    color: #fff;
}

/* Viditelné zaměření klávesnicí (přístupnost) */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* =====================================================================
   3. POMOCNÉ TŘÍDY
   ===================================================================== */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.text-accent {
    color: var(--color-primary);
}

/* ---- Tlačítka ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 16px;
    line-height: 1;
    text-align: center;
    transition: all var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-lg  { padding: 16px 34px; font-size: 17px; }
.btn-sm  { padding: 10px 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* Plné červené tlačítko */
.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 6px 18px rgba(230, 48, 39, 0.28);
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(230, 48, 39, 0.36);
}

/* Obrysové tlačítko (tmavé) */
.btn-outline {
    background: transparent;
    color: var(--color-dark);
    border-color: var(--color-border);
}
.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: #fff;
}

/* Průhledné tlačítko na tmavém pozadí (hero) */
.btn-ghost {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    border-color: #fff;
}

/* Světlé tlačítko (na červeném/tmavém CTA pruhu) */
.btn-light {
    background: #fff;
    color: var(--color-dark);
}
.btn-light:hover {
    background: #f1f1f1;
    color: var(--color-dark);
    transform: translateY(-2px);
}

.btn-ghost-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.55);
}
.btn-ghost-light:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-color: #fff;
}

/* =====================================================================
   4. HLAVIČKA A NAVIGACE
   ===================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition);
}
/* Stín hlavičky po odscrollování (přidává main.js) */
.site-header.is-scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 78px;
}

/* Logo (SVG obrázek v hlavičce) */
.logo-link {
    display: inline-block;
    text-decoration: none;
    transition: opacity var(--transition);
}
.logo-link:hover { opacity: 0.82; }
.logo {
    height: 50px;
    width: auto;
    display: block;
}

/* Navigace */
.main-nav {
    display: flex;
    align-items: center;
    gap: 36px;
}
.main-nav ul {
    display: flex;
    gap: 32px;
}
.main-nav a {
    color: var(--color-dark);
    font-weight: 500;
    font-size: 16px;
    position: relative;
    padding: 6px 0;
}
.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition);
}
.main-nav a:hover,
.main-nav a.is-active {
    color: var(--color-primary);
}
.main-nav a:hover::after,
.main-nav a.is-active::after {
    width: 100%;
}

.nav-phone {
    display: inline-flex;
    align-items: center;
    background: var(--color-primary);
    color: #fff !important;
    padding: 11px 22px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    box-shadow: 0 6px 16px rgba(230, 48, 39, 0.25);
}
.nav-phone:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

/* Hamburger (mobilní menu) */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
}
.nav-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--color-dark);
    border-radius: 3px;
    transition: all var(--transition);
}
/* Křížek když je menu otevřené */
.nav-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* =====================================================================
   5. HERO (úvodní tmavá sekce)
   ===================================================================== */
.hero {
    position: relative;
    background:
        linear-gradient(135deg, rgba(20,20,20,0.92) 0%, rgba(20,20,20,0.78) 100%),
        url('/assets/img/hero-bg.jpg') center/cover no-repeat,
        var(--color-dark);
    color: #fff;
    overflow: hidden;
}
/* Jemné červené světlo v rohu */
.hero-overlay {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 50%;
    height: 140%;
    background: radial-gradient(circle, rgba(230,48,39,0.22) 0%, transparent 70%);
    pointer-events: none;
}
.hero-inner {
    position: relative;
    z-index: 2;
    padding: 96px 24px 104px;
}
.hero-content {
    max-width: 720px;
}
.hero-eyebrow {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-primary);
    background: rgba(230, 48, 39, 0.12);
    border: 1px solid rgba(230, 48, 39, 0.35);
    padding: 7px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}
.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -1px;
    margin-bottom: 22px;
}
.hero-lead {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.82);
    max-width: 600px;
    margin-bottom: 36px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 28px;
}
.hero-badges li {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
}
.hero-badges li::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    flex-shrink: 0;
}

/* =====================================================================
   6. SEKCE A NADPISY
   ===================================================================== */
.section {
    padding: 88px 0;
}
.section-alt {
    background: var(--color-bg-alt);
}
.section-head {
    max-width: 680px;
    margin: 0 auto 56px;
    text-align: center;
}
.section-eyebrow {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 14px;
}
.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}
.section-foot {
    text-align: center;
    margin-top: 48px;
}

/* =====================================================================
   7. KARTY SLUŽEB / VÝHODY / O FIRMĚ
   ===================================================================== */
/* Mřížka karet služeb */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}
.service-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 34px 28px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.service-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(230, 48, 39, 0.10);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
}
.service-card-icon svg { width: 32px; height: 32px; }
.service-card-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
}
.service-card-text {
    color: var(--color-text-muted);
    font-size: 15px;
    margin-bottom: 20px;
    flex-grow: 1;
}
.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
}
.service-card-link svg { transition: transform var(--transition); }
.service-card-link:hover svg { transform: translateX(4px); }

/* Mřížka výhod */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.feature {
    text-align: center;
    padding: 10px;
}
.feature-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: var(--color-dark);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}
.feature p {
    color: var(--color-text-muted);
    font-size: 15px;
}

/* Sekce o firmě */
.about-split {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 64px;
    align-items: center;
}
.about-text .section-title { margin-bottom: 20px; }
.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 18px;
}
.about-text strong { color: var(--color-text); }
.about-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}
.about-stats {
    display: grid;
    gap: 18px;
}
.stat {
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-sm);
    padding: 24px 28px;
}
.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.1;
}
.stat-label {
    display: block;
    color: var(--color-text-muted);
    font-size: 15px;
    margin-top: 4px;
}

/* =====================================================================
   8. CTA PRUH
   ===================================================================== */
.cta-band {
    background:
        linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 60px 0;
}
.cta-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.cta-band h2 {
    color: #fff;
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 8px;
}
.cta-band p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
}
.cta-band-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* =====================================================================
   9. STRÁNKY: ZÁHLAVÍ, SLUŽBY DETAIL, POSTUP
   ===================================================================== */
/* Záhlaví podstránek */
.page-hero {
    background:
        linear-gradient(135deg, rgba(20,20,20,0.95) 0%, rgba(44,44,44,0.9) 100%),
        var(--color-dark);
    color: #fff;
    padding: 70px 0 60px;
    position: relative;
    overflow: hidden;
}
.page-hero::after {
    content: '';
    position: absolute;
    bottom: -40%;
    right: -5%;
    width: 40%;
    height: 120%;
    background: radial-gradient(circle, rgba(230,48,39,0.20) 0%, transparent 70%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero-title {
    color: #fff;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 14px;
}
.page-hero-lead {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    max-width: 640px;
}
.breadcrumb {
    display: flex;
    gap: 10px;
    font-size: 14px;
    margin-bottom: 18px;
    color: rgba(255, 255, 255, 0.55);
}
.breadcrumb a { color: rgba(255, 255, 255, 0.8); }
.breadcrumb a:hover { color: #fff; }

/* Detailní řádky služeb */
.service-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    padding: 50px 0;
    border-bottom: 1px solid var(--color-border);
}
.service-row:last-child { border-bottom: none; }
.service-row.is-reversed .service-row-media { order: 2; }
.service-row-media img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    width: 100%;
}
.service-row-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(230, 48, 39, 0.10);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.service-row-icon svg { width: 30px; height: 30px; }
.service-row-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 14px;
}
.service-row-text {
    color: var(--color-text-muted);
    margin-bottom: 22px;
}
.check-list {
    display: grid;
    gap: 12px;
    margin-bottom: 30px;
}
.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-weight: 500;
}
.check-list svg {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Postup spolupráce */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: step;
}
.step {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 26px;
    position: relative;
    transition: all var(--transition);
}
.step:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--color-primary);
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 18px;
}
.step h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}
.step p {
    color: var(--color-text-muted);
    font-size: 15px;
}

/* =====================================================================
   10. GALERIE + LIGHTBOX
   ===================================================================== */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 3 / 2;
    display: block;
    width: 100%;
    background: var(--color-bg-alt);
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.gallery-item:hover img {
    transform: scale(1.06);
}
.gallery-caption {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 20px;
    background: linear-gradient(to top, rgba(20,20,20,0.78) 0%, transparent 55%);
    color: #fff;
    opacity: 0;
    transition: opacity var(--transition);
}
.gallery-item:hover .gallery-caption,
.gallery-item:focus-visible .gallery-caption {
    opacity: 1;
}
/* Viditelný focus ring pro klávesnici na tmavém pozadí galerie */
.gallery-item:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
}
.gallery-caption-text {
    font-weight: 600;
    font-size: 15px;
}
.gallery-caption svg {
    flex-shrink: 0;
    background: var(--color-primary);
    border-radius: 50%;
    padding: 5px;
    width: 34px;
    height: 34px;
}
.gallery-note {
    text-align: center;
    margin-top: 40px;
    color: var(--color-text-muted);
}

/* Lightbox (zvětšený náhled) */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: rgba(15, 15, 15, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition);
}
.lightbox[hidden] { display: none; }
.lightbox.is-open { opacity: 1; }
.lightbox-figure {
    max-width: 90vw;
    max-height: 86vh;
    text-align: center;
}
.lightbox-figure img {
    max-width: 100%;
    max-height: 78vh;
    border-radius: var(--radius-sm);
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}
.lightbox-figure figcaption {
    color: #fff;
    margin-top: 16px;
    font-size: 1rem;
    font-weight: 500;
}
.lightbox-close,
.lightbox-nav {
    position: absolute;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}
.lightbox-close:hover,
.lightbox-nav:hover { background: var(--color-primary); }
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }

/* =====================================================================
   11. KONTAKT + FORMULÁŘ + MAPA
   ===================================================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 48px;
    align-items: start;
}

/* Levý sloupec – kontaktní karty */
.contact-info-title {
    font-size: 1.4rem;
    margin-bottom: 22px;
}
.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    margin-bottom: 14px;
    transition: all var(--transition);
    color: var(--color-text);
}
a.contact-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transform: translateX(3px);
}
.contact-card--static { cursor: default; }
.contact-card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(230, 48, 39, 0.10);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact-card-body { display: flex; flex-direction: column; }
.contact-card-label {
    font-size: 13px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.contact-card-value {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-dark);
}
.contact-hours {
    margin-top: 26px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    padding: 22px 24px;
}
.contact-hours h3 { font-size: 1.05rem; margin-bottom: 12px; }
.contact-hours ul { display: grid; gap: 8px; }
.contact-hours li {
    display: flex;
    justify-content: space-between;
    color: var(--color-text-muted);
    font-size: 15px;
}
.contact-hours li span:last-child { font-weight: 600; color: var(--color-text); }

/* Pravý sloupec – formulář */
.contact-form-wrap {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 38px 36px;
    box-shadow: var(--shadow-sm);
}
.contact-form-title { font-size: 1.5rem; margin-bottom: 6px; }
.contact-form-intro { color: var(--color-text-muted); font-size: 14px; margin-bottom: 26px; }
.req { color: var(--color-primary); }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 7px;
    color: var(--color-text);
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 15px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 15px;
    color: var(--color-text);
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(230, 48, 39, 0.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.captcha-input { max-width: 160px; }

/* Honeypot – skryté pole proti spamu (lidé ho nevidí) */
.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* GDPR checkbox */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    margin: 8px 0 24px;
}
.form-check input {
    width: 20px;
    height: 20px;
    margin-top: 3px;
    flex-shrink: 0;
    accent-color: var(--color-primary);
    cursor: pointer;
}
.form-check label {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Hláška success / error */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 26px;
    font-size: 15px;
    font-weight: 500;
}
.alert svg { flex-shrink: 0; margin-top: 1px; }
.alert-success {
    background: #e8f6ec;
    color: #1c7a3d;
    border: 1px solid #b6e2c4;
}
.alert-error {
    background: #fdeceb;
    color: #c41f17;
    border: 1px solid #f6c5c1;
}

/* Mapa */
.map-section {
    line-height: 0; /* odstraní mezeru pod iframe */
}
.map-section iframe { display: block; width: 100%; }

/* =====================================================================
   12. PATIČKA + TLAČÍTKO NAHORU
   ===================================================================== */
.site-footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 64px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 48px;
}
.footer-logo { display: inline-block; margin-bottom: 18px; }
.footer-logo-img { height: 36px; width: auto; display: block; }
.footer-about { font-size: 15px; margin-bottom: 20px; max-width: 320px; }
.footer-social {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
}
.footer-social:hover { color: var(--color-primary); }

.footer-heading {
    color: #fff;
    font-size: 1.05rem;
    margin-bottom: 18px;
}
.footer-links { display: grid; gap: 11px; }
.footer-links a { color: rgba(255, 255, 255, 0.7); font-size: 15px; }
.footer-links a:hover { color: var(--color-primary); padding-left: 4px; }

.footer-contact { display: grid; gap: 14px; margin-bottom: 22px; }
.footer-contact li {
    display: flex;
    align-items: center;
    gap: 11px;
    font-size: 15px;
}
.footer-contact svg { color: var(--color-primary); flex-shrink: 0; }
.footer-contact a { color: rgba(255, 255, 255, 0.85); }
.footer-contact a:hover { color: var(--color-primary); }
.footer-cta { margin-top: 4px; }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 22px 0;
}
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* Tlačítko zpět nahoru */
.back-to-top {
    position: fixed;
    bottom: 26px;
    right: 26px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all var(--transition);
    z-index: 900;
}
.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover { background: var(--color-primary-dark); transform: translateY(-3px); }

/* Tlačítko formuláře ve stavu odesílání */
@keyframes btn-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.65; }
}
.btn:disabled {
    cursor: not-allowed;
    animation: btn-pulse 1.4s ease-in-out infinite;
    transform: none !important;
    box-shadow: none !important;
}

/* =====================================================================
   13. RESPONZIVITA
   ===================================================================== */

/* ---- Tablet a menší (do 1024px) ---- */
@media (max-width: 1024px) {
    .cards-grid    { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .steps         { grid-template-columns: repeat(2, 1fr); }
    .gallery       { grid-template-columns: repeat(2, 1fr); }
    .footer-grid   { grid-template-columns: 1fr 1fr; gap: 32px; }
    .about-split   { gap: 40px; }
    .contact-layout { grid-template-columns: 1fr; gap: 36px; }
}

/* ---- Mobilní menu se zapíná do 900px ---- */
@media (max-width: 900px) {
    .nav-toggle { display: flex; }

    .main-nav {
        position: fixed;
        top: 78px;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        z-index: 1001;          /* nad hlavičkou (z-index: 1000) */
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 0;
        padding: 24px 32px;
        box-shadow: 0 8px 40px rgba(0,0,0,0.14);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
    }
    .main-nav.is-open { transform: translateX(0); }
    .main-nav ul {
        flex-direction: column;
        gap: 4px;
    }
    .main-nav li { border-bottom: 1px solid var(--color-border); }
    .main-nav a {
        display: block;
        padding: 15px 4px;
        font-size: 17px;
    }
    .main-nav a::after { display: none; }
    .nav-phone {
        margin-top: 20px;
        justify-content: center;
    }
}

/* ---- Telefon (do 768px) ---- */
@media (max-width: 768px) {
    /* Zabrání horizontálnímu scrollování způsobenému přetékajícími prvky */
    html, body { overflow-x: hidden; }

    body { font-size: 16px; }
    .section { padding: 60px 0; }
    .hero-inner { padding: 70px 24px 76px; }
    .section-head { margin-bottom: 40px; }

    .logo { height: 40px; }
    .testimonials-grid { grid-template-columns: 1fr; }   /* 1 sloupec na mobilu */
    .about-split { grid-template-columns: 1fr; gap: 36px; }
    .service-row {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 36px 0;
    }
    /* Na mobilu obrázek vždy nahoře */
    .service-row.is-reversed .service-row-media { order: 0; }

    .cta-band-inner { flex-direction: column; align-items: flex-start; text-align: left; }

    .footer-bottom-inner { flex-direction: column; }
}

/* ---- Malý telefon (do 480px) ---- */
@media (max-width: 480px) {
    /* Menší header = menší offset pro anchor scroll */
    html { scroll-padding-top: 70px; }

    .container { padding: 0 18px; }
    .header-inner { height: 66px; }
    .main-nav { top: 66px; }

    .cards-grid,
    .features-grid,
    .steps,
    .gallery,
    .testimonials-grid { grid-template-columns: 1fr; }

    .form-row { grid-template-columns: 1fr; gap: 0; }
    .footer-grid { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 26px 22px; }

    .hero-actions .btn,
    .cta-band-actions .btn { width: 100%; }

    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }
    .lightbox-close { top: 14px; right: 14px; }
}

/* =====================================================================
   14. REFERENCE ZÁKAZNÍKŮ (TESTIMONIALS)
   ===================================================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 32px 28px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    position: relative;
}

/* Velká uvozovka jako dekorativní prvek */
.testimonial::before {
    content: '\201C';
    font-size: 84px;
    line-height: 1;
    color: var(--color-primary);
    opacity: 0.12;
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: Georgia, serif;
    pointer-events: none;
}

.testimonial-text {
    font-size: 0.97rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.testimonial-footer {
    display: flex;
    flex-direction: column;
    gap: 3px;
    border-top: 1px solid var(--color-border);
    padding-top: 14px;
    margin-top: auto;
}

.testimonial-author {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-dark);
}

.testimonial-location {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* =====================================================================
   15. FAQ – ČASTÉ DOTAZY
   ===================================================================== */
.faq-list {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.faq-item[open] {
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 18px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    user-select: none;
    transition: color var(--transition);
}

.faq-question::-webkit-details-marker { display: none; }

/* Šipka jako dekorativní indikátor */
.faq-question::after {
    content: '';
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E63027' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: contain;
    transition: transform var(--transition);
}

.faq-item[open] .faq-question {
    color: var(--color-primary);
}

.faq-item[open] .faq-question::after {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* =====================================================================
   16. HERO BADGE – urgency + WhatsApp ikona
   ===================================================================== */
.hero-badge-urgent {
    font-weight: 600;
    color: #fff !important;
    background: rgba(230, 48, 39, 0.55);
    border-radius: 20px;
    padding: 3px 12px;
    font-size: 0.82rem;
}

.contact-card-icon--wa { color: #25D366; }
.contact-card-icon--fb { color: #1877F2; }

/* ---- Ohleduplnost k pohybu (přístupnost) ---- */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}