/* ==========================================================================
   BuPet-Stav s.r.o. — firemní web
   Design dle manuálu: cihlová oranž + tmavě hnědá, Merriweather + Open Sans
   ========================================================================== */

/* ---------- CSS proměnné (brand tokens) ---------- */
:root {
    /* Primární barvy */
    --color-brick: #C8622E;          /* cihlová oranž */
    --color-brick-dark: #A34E1F;     /* tmavší hover odstín */
    --color-brown: #5C1E0B;          /* tmavě hnědá */
    --color-brown-dark: #3E1306;

    /* Neutrální / sekundární */
    --color-white: #FFFFFF;
    --color-cream: #F7F1E8;          /* krémová / béžová */
    --color-beige: #EFE4D2;
    --color-gray-dark: #2B2623;      /* tmavě šedá (text) */
    --color-gray-mid: #6B615B;
    --color-gray-light: #D9D2C7;
    --color-border: #E3DACB;

    /* Typografie */
    --font-heading: 'Merriweather', Georgia, 'Times New Roman', serif;
    --font-body: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;

    /* Rozměry a rytmus */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --shadow-sm: 0 2px 6px rgba(92, 30, 11, 0.08);
    --shadow-md: 0 6px 20px rgba(92, 30, 11, 0.12);
    --shadow-lg: 0 14px 40px rgba(92, 30, 11, 0.18);

    --container-max: 1200px;
    --gutter: 1.25rem;

    --transition: 0.25s ease;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover,
a:focus {
    color: var(--color-brown);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-brown);
    margin: 0 0 0.6em;
    line-height: 1.25;
    font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); }
h2 { font-size: clamp(1.6rem, 2.4vw + 1rem, 2.3rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p {
    margin: 0 0 1em;
}

/* ---------- Kontejner ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

/* ---------- Tlačítka ---------- */
.btn {
    display: inline-block;
    padding: 0.85em 1.8em;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: center;
    transition: background-color var(--transition),
                color var(--transition),
                border-color var(--transition),
                transform var(--transition),
                box-shadow var(--transition);
}

.btn-primary {
    background-color: var(--color-brick);
    color: var(--color-white);
    border-color: var(--color-brick);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-brick-dark);
    border-color: var(--color-brick-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-brown);
    border-color: var(--color-brown);
}

.btn-outline:hover,
.btn-outline:focus {
    background-color: var(--color-brown);
    color: var(--color-white);
}

/* ---------- Hlavička / navigace ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem var(--gutter);
    max-width: var(--container-max);
    margin: 0 auto;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-brown);
}

.site-logo img {
    height: 56px;
    width: auto;
}

.site-logo .logo-text {
    display: none; /* logo už obsahuje název firmy */
}

.nav-toggle {
    display: none;
    background: none;
    border: 0;
    font-size: 1.5rem;
    color: var(--color-brown);
    cursor: pointer;
    padding: 0.4rem 0.6rem;
}

.site-nav ul {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav a {
    display: inline-block;
    padding: 0.6rem 1rem;
    color: var(--color-gray-dark);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background-color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus,
.site-nav a.active {
    color: var(--color-brick);
    background-color: var(--color-cream);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    background:
        linear-gradient(135deg, rgba(92, 30, 11, 0.85), rgba(92, 30, 11, 0.55)),
        url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
    color: var(--color-white);
    padding: clamp(4rem, 10vw, 7rem) 0;
}

.hero h1 {
    color: var(--color-white);
    max-width: 820px;
}

.hero p.lead {
    font-size: clamp(1.05rem, 1.2vw + 0.8rem, 1.3rem);
    max-width: 680px;
    margin-bottom: 2rem;
    color: var(--color-cream);
}

.hero .cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero .btn-outline {
    color: var(--color-white);
    border-color: var(--color-white);
}

.hero .btn-outline:hover,
.hero .btn-outline:focus {
    background-color: var(--color-white);
    color: var(--color-brown);
}

/* ---------- Sekce ---------- */
section {
    padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-alt {
    background-color: var(--color-cream);
}

.section-title {
    text-align: center;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray-mid);
    max-width: 680px;
    margin: 0 auto 3rem;
}

.section-divider {
    width: 72px;
    height: 4px;
    background-color: var(--color-brick);
    border-radius: 2px;
    margin: 0 auto 2rem;
}

/* ---------- O nás ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-grid img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ---------- Služby (karty) ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    text-align: left;
    transition: transform var(--transition),
                box-shadow var(--transition),
                border-color var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-brick);
}

.service-card .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-cream);
    color: var(--color-brick);
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.service-card h3 {
    margin-bottom: 0.5rem;
}

.service-card p {
    color: var(--color-gray-mid);
    margin: 0;
}

/* ---------- Proč zvolit nás ---------- */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.benefit {
    text-align: center;
}

.benefit .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 74px;
    height: 74px;
    border-radius: 50%;
    background-color: var(--color-brown);
    color: var(--color-white);
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.benefit h3 {
    margin-bottom: 0.35rem;
}

.benefit p {
    color: var(--color-gray-mid);
    margin: 0;
}

/* ---------- Kontaktní formulář ---------- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info ul {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
}

.contact-info li {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
    margin-bottom: 1rem;
    color: var(--color-gray-dark);
}

.contact-info li i {
    color: var(--color-brick);
    font-size: 1.15rem;
    margin-top: 0.2rem;
    width: 20px;
    text-align: center;
}

.contact-form {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.form-field {
    margin-bottom: 1.1rem;
}

.form-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--color-brown);
    font-size: 0.95rem;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 0.75rem 0.9rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--color-brick);
    box-shadow: 0 0 0 3px rgba(200, 98, 46, 0.18);
}

.form-field textarea {
    resize: vertical;
    min-height: 140px;
}

.form-status {
    margin-top: 1rem;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #E8F4EA;
    color: #1E5B28;
    border: 1px solid #B5D8BC;
}

.form-status.error {
    display: block;
    background-color: #FBEAE5;
    color: #7A2518;
    border: 1px solid #EEB4A8;
}

/* ---------- Patička ---------- */
.site-footer {
    background-color: var(--color-brown);
    color: var(--color-cream);
    padding: 3rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.site-footer h4 {
    color: var(--color-white);
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.site-footer p,
.site-footer li {
    color: var(--color-beige);
    font-size: 0.95rem;
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-footer ul li {
    margin-bottom: 0.4rem;
}

.site-footer a {
    color: var(--color-beige);
}

.site-footer a:hover,
.site-footer a:focus {
    color: var(--color-white);
}

.social-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    transition: background-color var(--transition), transform var(--transition);
}

.social-links a:hover,
.social-links a:focus {
    background-color: var(--color-brick);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 1.25rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-beige);
}

/* ==========================================================================
   Podstránka Reference
   ========================================================================== */
.page-hero {
    background-color: var(--color-brown);
    color: var(--color-white);
    padding: clamp(3rem, 6vw, 4.5rem) 0;
    text-align: center;
}

.page-hero h1 {
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.page-hero p {
    color: var(--color-cream);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.gallery-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

.gallery-item:hover,
.gallery-item:focus {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.gallery-item .thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--color-beige);
}

.gallery-item .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover .thumb img {
    transform: scale(1.06);
}

.gallery-item .thumb::after {
    content: "\f00e"; /* magnifying-glass-plus */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(200, 98, 46, 0.92);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.85);
    transition: opacity var(--transition), transform var(--transition);
}

.gallery-item:hover .thumb::after {
    opacity: 1;
    transform: scale(1);
}

.gallery-item .info {
    padding: 1.1rem 1.25rem 1.35rem;
}

.gallery-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
}

.gallery-item p {
    margin: 0;
    color: var(--color-gray-mid);
    font-size: 0.93rem;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background-color: rgba(46, 22, 11, 0.92);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1.5rem;
}

.lightbox.is-open {
    display: flex;
    animation: fadeIn 0.25s ease;
}

.lightbox-content {
    max-width: min(1100px, 92vw);
    max-height: 88vh;
    text-align: center;
    color: var(--color-white);
}

.lightbox-content img {
    max-width: 100%;
    max-height: 78vh;
    width: auto;
    margin: 0 auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.lightbox-caption {
    margin-top: 1rem;
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

.lightbox-close {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-brick);
    border: 0;
    color: var(--color-white);
    font-size: 1.35rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), transform var(--transition);
}

.lightbox-close:hover,
.lightbox-close:focus {
    background-color: var(--color-brick-dark);
    transform: rotate(90deg);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ==========================================================================
   Podstránka Kontakt
   ========================================================================== */
.map-embed {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-top: 1.5rem;
}

.info-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.info-card h3 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0;
    color: var(--color-brown);
}

.info-card h3 i {
    color: var(--color-brick);
    font-size: 1.1rem;
}

.hours-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.hours-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.45rem 0;
    border-bottom: 1px dashed var(--color-border);
}

.hours-list li:last-child {
    border-bottom: 0;
}

.hours-list .day {
    font-weight: 600;
    color: var(--color-gray-dark);
}

.hours-list .time {
    color: var(--color-gray-mid);
}

/* ==========================================================================
   Responsivní breakpointy
   ========================================================================== */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
    }
}

@media (max-width: 960px) {
    .about-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    :root { --gutter: 1rem; }

    .nav-toggle {
        display: inline-block;
    }

    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        display: none;
    }

    .site-nav.is-open {
        display: block;
    }

    .site-nav ul {
        flex-direction: column;
        padding: 0.5rem 0;
        gap: 0;
    }

    .site-nav a {
        display: block;
        padding: 0.85rem 1.25rem;
        border-radius: 0;
    }

    .hero {
        padding: 3.5rem 0;
    }

    .gallery {
        grid-template-columns: 1fr;
    }

    .site-logo img {
        height: 44px;
    }

    .btn {
        width: 100%;
    }

    .hero .cta-group .btn {
        width: auto;
    }
}

/* Respektovat reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}