:root {
    --color-bg: #f5f6f7;
    --color-bg-dark: #1e1e1e;
    --color-bg-footer: #2a2a2a;
    --color-text: #1e1e1e;
    --color-text-light: #e8e8e4;
    --color-text-muted: #666;
    --color-accent: #1a3a5c;
    --color-accent-hover: #142d47;
    --color-border: #c8c8c4;
    --color-bg-alt: #eef0f1;
    --color-card: #ffffff;
    --color-text-muted-light: rgba(232, 232, 228, 0.75);

    --font-size-base: 16px;
    --font-size-small: 0.875rem;
    --font-size-h1: clamp(2.4rem, 5.5vw, 3.6rem);
    --font-size-h2: clamp(1.6rem, 3vw, 2rem);
    --font-size-h3: 1.25rem;
    --font-size-footer: 0.875rem;

    --radius: 0.5rem;
    --radius-lg: 1.5rem;
    --section-gap: 6rem;
    --container-max: 1200px;
}

/* ── Reset ── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: 'LibreFranklin', Arial, sans-serif;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

a {
    color: var(--color-text);
    text-decoration: none;
    transition: opacity 0.2s;
}

a:hover {
    opacity: 0.75;
}

/* ── Typography ── */
h1 {
    font-family: 'UnicaOne', Arial, sans-serif;
    font-size: var(--font-size-h1);
    font-weight: 400;
    text-transform: uppercase;
    line-height: 1.1;
    letter-spacing: 0.02em;
}

h2 {
    font-family: 'UnicaOne', Arial, sans-serif;
    font-size: var(--font-size-h2);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

h3 {
    font-family: 'UnicaOne', Arial, sans-serif;
    font-size: var(--font-size-h3);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

p {
    line-height: 1.8;
}

/* ── Layout ── */
.container {
    width: 90%;
    max-width: var(--container-max);
    margin: 0 auto;
}

main {
    flex: 1;
}

section {
    padding: var(--section-gap) 0;
}

/* ── Buttons ── */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius);
    font-family: 'UnicaOne', Arial, sans-serif;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    border: none;
    transition: background 0.2s, transform 0.15s;
    text-align: center;
}

.btn:hover {
    opacity: 1;
    transform: translateY(-2px);
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-light);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-text-light);
}

/* ── Header ── */
header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-family: 'UnicaOne', Arial, sans-serif;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
}

.logo span {
    color: var(--color-accent);
}

nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

nav a {
    font-family: 'UnicaOne', Arial, sans-serif;
    text-transform: uppercase;
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    color: var(--color-text);
}

nav .btn {
    font-size: 0.9rem;
    padding: 0.5rem 1.25rem;
}

/* ── Hero ── */
.hero {
    padding: 7rem 0 6rem;
    background-color: var(--color-bg);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.hero-visual {
    background-color: var(--color-bg-dark);
    border-radius: var(--radius-lg);
    aspect-ratio: 4/3;
    overflow: hidden;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

/* ── Co nabízíme ── */
.packages {
    background-color: var(--color-bg-alt);
}

.packages h2 {
    margin-bottom: 0.75rem;
}

.packages .intro {
    color: var(--color-text-muted);
    margin-bottom: 3rem;
    max-width: 540px;
}

.package-note {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    line-height: 1.6;
    border-top: 1px solid var(--color-border);
    padding-top: 0.75rem;
    margin-top: 0.25rem;
}

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

.package-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.package-card.featured {
    border-color: var(--color-accent);
    border-width: 2px;
}

.package-card h3 {
    font-size: 1.1rem;
}

.package-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.package-card ul li {
    font-size: 0.95rem;
    padding-left: 1.25rem;
    position: relative;
}

.package-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

/* ── Jak to funguje ── */
.jak-to-funguje {
    background-color: var(--color-bg);
}

.jak-to-funguje h2 {
    margin-bottom: 3rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
}

.step {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.step-number {
    font-family: 'UnicaOne', Arial, sans-serif;
    font-size: 3.5rem;
    line-height: 1;
    color: var(--color-accent);
    opacity: 0.4;
}

.step h3 {
    font-size: 1.1rem;
}

.step p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ── Kalkulátor ── */
.kalkulator {
    background-color: var(--color-bg-alt);
}

.kalkulator h2 {
    margin-bottom: 0.5rem;
}

.kalkulator .intro {
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}

.calc-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 3rem;
    align-items: start;
}

.calc-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: 'LibreFranklin', Arial, sans-serif;
    font-size: 1rem;
    background: white;
    color: var(--color-text);
    transition: border-color 0.2s;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    min-height: 5rem;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Autocomplete dropdown */
.autocomplete-wrapper {
    position: relative;
}

.autocomplete-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    z-index: 50;
    max-height: 14rem;
    overflow-y: auto;
}

.autocomplete-item {
    padding: 0.6rem 1rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.15s;
}

.autocomplete-item:hover {
    background: #f0f4f8;
}

/* Nápověda pod polem formuláře */
.form-hint {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Label nad skupinou bez for="" */
.form-group-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

/* Radio tlačítka — zájem o službu */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.1rem;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    cursor: pointer;
    font-size: 0.95rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: white;
    transition: border-color 0.2s, background 0.2s;
    user-select: none;
}

.radio-item:has(input:checked) {
    border-color: var(--color-accent);
    background: #f0f4f8;
}

.radio-item input[type="radio"] {
    width: 1.05rem;
    height: 1.05rem;
    cursor: pointer;
    accent-color: var(--color-accent);
    flex-shrink: 0;
}

/* Kalkulátor sidebar - cenový výsledek */
.price-box {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    position: sticky;
    top: 5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.price-box h3 {
    font-size: 1rem;
    margin-bottom: 0;
}

.price-estimate {
    font-family: 'UnicaOne', Arial, sans-serif;
    font-size: 2.2rem;
    color: var(--color-accent);
    line-height: 1;
}

.price-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.price-detail {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

.price-detail span {
    display: flex;
    justify-content: space-between;
}

/* ── O nás ── */
.o-nas {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.o-nas h2 {
    margin-bottom: 3rem;
}


.o-nas-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.o-nas-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.o-nas-content p {
    color: var(--color-text-muted);
    line-height: 1.8;
}

.o-nas .btn-outline {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.o-nas .btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-text-light);
}

.o-nas-photo {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 3/2;
    background: var(--color-border);
    display: block;
    position: relative;
}

/* Galerie: 4 fotky nad sebou, každá 3 s z 12s cyklu (1 s prolnutí).
   Zpoždění je o 1 s posunuté dopředu, aby první fotka byla vidět hned po načtení.
   Při změně počtu fotek upravit délku cyklu, procenta v keyframes i zpoždění. */
.o-nas-photo img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    animation: o-nas-prolinani 12s linear infinite;
}

.o-nas-photo img:nth-child(1) { animation-delay: -1s; }
.o-nas-photo img:nth-child(2) { animation-delay: 2s; }
.o-nas-photo img:nth-child(3) { animation-delay: 5s; }
.o-nas-photo img:nth-child(4) { animation-delay: 8s; }

@keyframes o-nas-prolinani {
    0%     { opacity: 0; }
    8.33%  { opacity: 1; }
    25%    { opacity: 1; }
    33.33% { opacity: 0; }
    100%   { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .o-nas-photo img {
        animation: none;
    }

    .o-nas-photo img:nth-child(1) {
        opacity: 1;
    }
}

/* ── Footer ── */
footer {
    background-color: var(--color-bg-footer);
    color: var(--color-text-light);
    padding: 3.5rem 0 2rem;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 4rem;
    padding-bottom: 3rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.footer-label {
    font-size: var(--font-size-footer);
    color: rgba(232,232,228,0.5);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
}

.footer-contact a,
.footer-contact span {
    font-size: 1.15rem;
    color: var(--color-text-light);
    line-height: 1.9;
    transition: opacity 0.2s;
}

.footer-contact a:hover {
    opacity: 0.7;
}

.footer-ids {
    font-size: var(--font-size-footer);
    color: rgba(232,232,228,0.45);
    margin-top: 0.4rem;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    align-self: end;
}

.footer-nav a {
    font-size: var(--font-size-footer);
    color: rgba(232,232,228,0.6);
    transition: color 0.2s;
}

.footer-nav a:hover {
    color: var(--color-text-light);
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(232,232,228,0.12);
    padding-top: 1.25rem;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: rgba(232,232,228,0.35);
    line-height: 1;
}

/* ── Antispam honeypot — mimo obrazovku, skryté i pro čtečky ── */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ── Flash messages ── */
.flash {
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
}

.flash.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flash.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ── Upload fotek ── */
.foto-dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem 1rem;
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.foto-dropzone:hover,
.foto-dropzone:focus-visible,
.foto-dropzone.pretahuji {
    border-color: var(--color-accent);
    background: var(--color-bg-alt);
}

.foto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(5rem, 1fr));
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.foto-nahled {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-bg-alt);
}

.foto-nahled img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.foto-zpracovani img {
    opacity: 0.4;
}

.foto-zpracovani::after {
    content: '';
    position: absolute;
    inset: 0;
    margin: auto;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: foto-otaceni 0.8s linear infinite;
}

@keyframes foto-otaceni {
    to { transform: rotate(360deg); }
}

.foto-odebrat {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    width: 1.5rem;
    height: 1.5rem;
    border: none;
    border-radius: 50%;
    background: rgba(30, 30, 30, 0.65);
    color: var(--color-text-light);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
}

.foto-odebrat:hover {
    background: var(--color-bg-dark);
}

.foto-chyba {
    color: #721c24;
}

/* ── Responsive ── */
@media (max-width: 64rem) { /* 1024px */
    .hero-inner,
    .o-nas-inner {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        display: none;
    }

    .packages-grid,
    .steps {
        grid-template-columns: 1fr 1fr;
    }

    .calc-layout {
        grid-template-columns: 1fr;
    }

    .price-box {
        position: static;
    }
}

@media (max-width: 48rem) { /* 768px */
    :root {
        --section-gap: 4rem;
    }

    .header-inner nav a:not(.btn) {
        display: none;
    }

    .packages-grid,
    .steps {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 2.5rem;
    }

    .footer-nav {
        align-self: flex-start;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ── Právní stránky ─────────────────────────────────────────────────── */
.legal {
    padding: 4rem 0 6rem;
}

.legal h1 {
    margin-bottom: 2.5rem;
}

.legal h2 {
    margin-top: 3.5rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
}

.legal h3 {
    margin-top: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.legal p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    max-width: 72ch;
}

.legal li {
    line-height: 1.7;
    color: var(--color-text);
    max-width: 72ch;
}

.legal ul,
.legal ol {
    padding-left: 1.25rem;
    margin-bottom: 1.25rem;
}

.legal ul li,
.legal ol li {
    padding-left: 0.5rem;
    margin-bottom: 0.5rem;
}

.legal a {
    text-decoration: none;
    color: var(--color-accent);
}

.legal a:hover {
    text-decoration: underline;
}

.legal hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 2.5rem 0 0;
}

.legal table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-small);
    margin-bottom: 1rem;
}

.legal th,
.legal td {
    text-align: left;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--color-border);
    vertical-align: top;
}

.legal th {
    background-color: var(--color-bg-alt);
    font-weight: 600;
}

@media (max-width: 640px) {
    .legal table,
    .legal thead,
    .legal tbody,
    .legal th,
    .legal td,
    .legal tr {
        display: block;
    }

    .legal thead {
        display: none;
    }

    .legal td {
        border-top: none;
        padding-left: 1rem;
    }

    .legal td::before {
        content: attr(data-label);
        font-weight: 600;
        display: block;
        margin-bottom: 0.25rem;
        color: var(--color-text-muted);
    }

    .legal tr {
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        margin-bottom: 1rem;
        padding: 0.5rem 0;
    }
}