/* Reset a font */
html,
body {
    height: 100%;
    font-family: 'Merriweather', serif;
    scroll-behavior: smooth;
    transition: background-color 0.3s, color 0.3s;
    padding-top: 40px;
    /* posun pro fixní navbar */
}

/* Na mobilech větší posun kvůli vyššímu navbaru + větší mezera pod menu */
@media (max-width: 768px) {

    html,
    body {
        padding-top: 60px;
        /* zvýšeno z 40px na 60px */
    }

    .landing-section {
        padding-top: 30px;
        /* přidá větší mezeru pod menu */
    }

    .landing-image img {
        height: 35vh;
        padding-bottom: 30px;
    }

    .landing-image .modern-btn {
        margin-top: 30px;
        margin-bottom: 20px;
        display: block !important;
        /* zajistí, že tlačítko je vždy viditelné na mobilu */
    }
}

/* Světlé a tmavé téma */
body.light-mode {
    background-color: #ffffff;
    color: #000000;
    --navbar-bg: #ffffff;
    --navbar-link: #000000;
    --navbar-link-hover: #4facfe;
    --navbar-border: #4facfe;
    --accent: #4facfe;
    --accent2: #00f2fe;
}

body.dark-mode {
    background-color: #1a1a1a;
    color: #ffffff;
    --navbar-bg: #1a1a1a;
    --navbar-link: #ffffff;
    --navbar-link-hover: #ff4f81;
    --navbar-border: #ff4f81;
    --accent: #ff4f81;
    --accent2: #ff8fa3;
}

#logo {
    height: 50px;
    width: auto;
    transition: 0.3s ease;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--navbar-bg);
    border-bottom: 2px solid var(--navbar-border);
    z-index: 1000;
    transition: background-color 0.3s, border-color 0.3s;
}

.navbar .nav-link {
    color: var(--navbar-link);
    margin: 0 0.5rem;
    position: relative;
    font-weight: 500;
    padding: 0.5rem 0;
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: var(--navbar-link-hover);
    transition: width 0.3s ease;
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
    width: 100%;
}

.navbar .nav-link.active {
    color: var(--navbar-link-hover) !important;
}

.theme-switch {
    font-size: 1.2rem;
    cursor: pointer;
}

/* Landing */
.landing-section {
    height: calc(100vh - 70px);
}

.landing-text h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.landing-text p {
    font-size: 1.2rem;
    margin-top: 1rem;
}

.landing-image img {
    max-width: 100%;
    height: 65vh;
    object-fit: cover;
    border-radius: 12px;
}

/* Na mobilech menší obrázek */
@media (max-width: 768px) {
    .landing-image img {
        height: 45vh;
        padding-bottom: 30px;
    }

    .landing-image .modern-btn {
        margin-top: 30px;
        margin-bottom: 20px;
        /* Zvětší odsazení tlačítka od obrázku i od menu */
    }
}

/* Menší mezery mezi sekcemi */
section {
    padding-top: 40px;
    padding-bottom: 40px;
}

/* Border-line animace */
.border-line {
    border-bottom: 2px solid var(--navbar-border);
    height: 2px;
    animation: line-pulse 2s ease-in-out infinite;
    transform-origin: left;
}

@keyframes line-pulse {
    0% {
        transform: scaleX(0);
        opacity: 0;
    }

    50% {
        transform: scaleX(1);
        opacity: 1;
    }

    100% {
        transform: scaleX(0);
        opacity: 0;
    }
}

/* Barevné # v nadpisech sekcí */
h3 .hash,
h4 .hash,
h2 .hash,
h1 .hash {
    color: var(--navbar-link-hover);
    transition: color 0.3s;
}

/* Barevné # v menu - každý # má barvu podle tématu */
.navbar .nav-link .hash {
    color: var(--navbar-link-hover);
    font-weight: bold;
    transition: color 0.3s;
}

/* Moderní tlačítka */
.modern-btn {
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent2) 100%);
    border: none;
    color: #fff;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.modern-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
    text-decoration: none;
}

.modern-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 255, 254, 0.4);
}

/* Animovaný kurzor */
#cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 12px;
    height: 12px;
    background-color: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: width 0.2s ease, height 0.2s ease, transform 0.1s ease, background-color 0.2s;
    z-index: 10000;
}

.cursor-hover {
    background-color: var(--accent2) !important;
}

.cursor-text {
    width: 16px !important;
    height: 16px !important;
}

/* Efekt kruhu kolem tečky při hoveru na menu nebo na přepínač tématu */
.cursor-ring {
    box-shadow: 0 0 0 16px rgba(79, 172, 254, 0.25), 0 0 0 32px rgba(113, 194, 252, 0.15);
    /* Modrý kruh pro světlé téma, růžový pro tmavé */
    transition: box-shadow 0.2s;
}

body.dark-mode .cursor-ring {
    box-shadow: 0 0 0 16px rgba(255, 79, 129, 0.25), 0 0 0 32px rgba(255, 143, 163, 0.15);
}

/* Karty kontaktů podle motivu */
.contact-card {
    background-color: #fff;
    color: #333;
    border-color: #ccc;
    transition: 0.3s;
}

.dark-mode .contact-card {
    background-color: #222;
    color: #fff;
    border-color: #555;
}

.contact-card:hover {
    transform: translateY(-3px);
}

.contact-card:hover .contact-text {
    font-weight: 600;
    transition: 0.3s;
}

.contact-icon i {
    color: currentColor;
    transition: transform 0.3s, color 0.3s;
}

.contact-icon:hover i {
    transform: scale(1.3);
    color: #4facfe;
}

.contact-name {
    display: block;
    font-size: 0.9rem;
    margin-top: 0.3rem;
    transition: color 0.3s;
}

/* Barvy podle tématu */
body.light-mode .contact-name,
body.light-mode .contact-icon i,
body.light-mode .skill-icon i {
    color: #212529;
}

body.dark-mode .contact-name,
body.dark-mode .contact-icon i,
body.dark-mode .skill-icon i {
    color: #f8f9fa;
}

/* Skill cards */
.skill-card {
    background: var(--card-bg, #f5f5f5);
    border-radius: 12px;
    padding: 1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

/* Skill cards - barvy podle tématu */
.skill-card {
    background: #f5f5f5;
    color: #212529;
}

body.dark-mode .skill-card {
    background: #222;
    color: #fff;
}

body.dark-mode .skill-card i {
    color: #fff;
}

body.dark-mode .skill-card p,
body.dark-mode .skill-card h5 {
    color: #fff;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Ikony */
.skill-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
    transition: transform 0.3s;
}

.skill-card:hover .skill-icon {
    transform: scale(1.2);
}

/* Ikony ve skill-cards */
body.light-mode .skill-card i {
    color: #212529;
}

body.dark-mode .skill-card i {
    color: #f8f9fa;
}

/* Přechody pro text a ikony */
.skill-card i,
.contact-icon i,
.skill-card p,
.contact-name {
    transition: color 0.3s ease;
}

/* Popup */
.skill-popup {
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    opacity: 0;
    pointer-events: none;
    width: 200px;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    transition: opacity 0.3s, transform 0.3s;
    text-align: center;
}

.skill-popup h3 {
    font-size: 1.1rem;
    font-weight: bold;
}


.skill-card:hover .skill-popup {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(-20px);
}

/* Skills badges */
#projekty .badge {
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    transition: transform 0.2s;
}

/* Projekty overlay a hover */
.project-card {
    cursor: pointer;
    transition: transform 0.3s;
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: 8px 8px 0 0;
    transition: filter 0.3s;
    /* odstraněno zvětšování */
}

.project-card:hover img {
    /* transform: scale(1.05);  odstraněno zvětšování */
    filter: brightness(0.7);
}

.project-overlay {
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 12px;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-overlay h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-overlay .description {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Tlačítka podle tématu */
.theme-btn {
    border: 1px solid #333;
    background-color: #fff;
    color: #000000;
    transition: 0.3s;
}

.dark-mode .theme-btn {
    background-color: #222;
    color: #fff;
    border-color: #555;
}

/* Hover efekt na text v tlačítku */
.theme-btn:hover .btn-text {
    transform: translateY(-2px);
    font-weight: 600;
}

/* Hover efekt na karty kontaktů */
.contact-card:hover p {
    font-weight: 600;
    color: #0d6efd;
    transition: 0.3s;
}

footer {
    background-color: var(--navbar-bg);
    color: var(--navbar-link);
    border-top: 2px solid var(--navbar-border);
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

/* Hamburger menu barva podle tématu */
body.dark-mode .navbar-toggler {
    border-color: #fff;
}

body.dark-mode .navbar-toggler .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255,255,255,1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* Skryj vlastní kurzor, zobraz pouze modrou tečku */
body,
html,
* {
    cursor: none !important;
}

/* Na telefonech (max-width: 768px) tečku vůbec nezobrazuj */
@media (max-width: 768px) {
    #cursor-dot {
        display: none !important;
    }

    body,
    html,
    * {
        cursor: auto !important;
    }
}

.project-block {
    background: none;
    box-shadow: none;
    border-radius: 12px;
    padding: 0;
    transition: none;
    text-align: left;
}

.project-block img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: center;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.project-block .tags .badge {
    /* zachová minimalistický styl badge */
    background: none;
    color: #1756c9;
    border: 2px solid #1756c9;
    border-radius: 8px;
    padding: 0.35em 0.9em;
    font-size: 0.95em;
    font-weight: 500;
    margin: 0 0.25em 0.3em 0.25em;
    box-shadow: none;
    transition: border-color 0.3s, color 0.3s;
}

.dark-mode .project-block .tags .badge {
    color: #ff6f91;
    /* světlejší růžová – lepší kontrast */
    border-color: #ff6f91;
}

/* Přidat do existujících stylů */
h1.me-3,
h2.me-3,
h3.me-3,
h4.me-3,
h5.me-3 {
    font-size: 2rem;
    /* původní velikost nadpisů sekcí */
    font-weight: 600;
    margin-bottom: 0;
}

/* Upravit specifické styly pro landing-text */
.landing-text h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Zachovat stejný styl pro nadpisy v kartách */
.skill-popup h1,
.skill-popup h2,
.skill-popup h3,
.skill-popup h4,
.skill-popup h5,
.project-block h1,
.project-block h2,
.project-block h3,
.project-block h4,
.project-block h5 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}