/* Reset */
body, h1, h2, h3, ul, li {
    margin: 0;
    padding: 0;
}

/* Základní vzhled */
body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: #121212;
    color: #e0e0e0;
    line-height: 1.6;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    padding-top: 120px;
    animation: fadeInBody 1s ease-in;
}

/* Top bar – glassmorphism look */
.topbar {
    position: fixed;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 75%; /* 3/4 šířky stránky */
    height: 45px; /* menší výška */
    padding: 0 10px 0 0;
    background: rgba(30, 30, 30, 0.35);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
    background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.02) 100%);
    overflow: hidden;
}

/* Logo vlevo v topbaru */
.topbar .logo {
    display: flex;
    align-items: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: #bb86fc;
    white-space: nowrap;
    flex-shrink: 0;
    margin-right: auto;
}

.logo-img {
    height: 28px;
    max-height: 100%;
    margin-right: 10px;
    vertical-align: middle;
    object-fit: contain;
}

/* Navigace vpravo */
.topbar .nav-links {
    display: flex;
    gap: 20px;
    flex-shrink: 0;
}

.topbar .nav-links a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.topbar .nav-links a:hover {
    color: #1abc9c;
}

/* Nadpis s psacím strojem */
.name-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    background: linear-gradient(90deg, #4aa3ff, #bb86fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
    overflow: hidden;
    width: 0;
    animation: typingName 3s steps(25) forwards;
    animation-delay: 0s;
}

/* Podtitulek – psací stroj */
.subtitle {
    text-align: center;
    font-size: 1.4rem;
    font-weight: 500;
    background: linear-gradient(90deg, #4aa3ff, #bb86fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
    overflow: hidden;
    width: 0;
    animation: typingSubtitle 3s steps(30) forwards;
    animation-delay: 3.2s;
}

/* Kurzor */
.cursor {
    display: inline-block;
    width: 2px;
    background-color: #bb86fc;
    animation: blinkCursor 0.8s steps(2) infinite;
    margin-left: 2px;
}

/* Klíčové animace */
@keyframes typingName {
    from { width: 0 }
    to { width: 100% }
}

@keyframes typingSubtitle {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blinkCursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

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

/* Podnadpisy H2 */
h2 {
    font-size: 1.6rem;
    color: #f1f1f1;
    margin: 25px 0 10px;
    padding-left: 12px;
    border-left: 5px solid #4aa3ff;
    background: linear-gradient(to right, rgba(74,163,255,0.15), transparent);
    border-radius: 4px;
}

/* Podnadpisy H3 */
h3 {
    font-size: 1.2rem;
    color: #ccc;
    margin-top: 20px;
    padding-left: 10px;
    border-left: 3px solid #888;
    background: linear-gradient(to right, rgba(136,136,136,0.12), transparent);
    border-radius: 3px;
}

/* Seznamy */
ul {
    list-style: none;
    margin-left: 10px;
}

ul li {
    margin: 8px 0;
}

/* Odkazy */
a {
    color: #82b1ff;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s ease;
}

a:hover {
    color: #1abc9c;
    text-decoration: underline;
}

/* Skupiny ikon */
.icon-group {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 5px;
}

/* Ikony s popiskem */
.icon-with-label {
    width: 64px;
    height: 64px;
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin: 10px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.icon-with-label:hover {
    transform: translateY(-8px) scale(1.1);
}

.icon-with-label::after {
    content: attr(data-label);
    font-size: 0.9rem;
    color: #aaa;
    text-align: center;
    margin-top: 6px;
    opacity: 0;
    background-color: rgba(0,0,0,0.75);
    backdrop-filter: blur(4px);
    padding: 6px;
    border-radius: 6px;
    transform: translateY(5px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.icon-with-label:hover::after {
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
footer {
    font-size: 0.9rem;
    color: #aaa;
    background-color: #1e1e1e;
    padding: 20px;
    margin-top: 40px;
    border-top: 1px solid #333;
    text-align: center;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Scroll offset kvůli topbaru */
h2, h3, section {
    scroll-margin-top: 120px;
}

/* === PLAYVERSE SEKCÍ === */
#playverse {
    padding: 0.8rem 2rem 3.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #121212;
    min-height: 40vh;
}

#playverse .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    width: 100%;
    gap: 3rem;
    flex-wrap: wrap;
}

#playverse .left {
    flex: 1;
    color: #e0e0e0;
}

#playverse .left h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #4aa3ff, #bb86fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#playverse .left p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: #bbb;
}

#playverse .btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, rgba(74, 163, 255, 0.6), rgba(187, 134, 252, 0.6));
    color: #fff;
    font-weight: 600;
    border-radius: 999px;
    text-decoration: none;
    transition: background-color 0.4s ease, transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

#playverse .btn:hover {
    background-color: #1abc9c;
    box-shadow: 0 6px 20px rgba(26, 188, 156, 0.4);
}

/* PRAVÁ STRANA */
#playverse .right {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.glass-card {
    width: 400px;
    height: 250px;
    border-radius: 24px;
    background: rgba(40, 40, 40, 0.6);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    border: 1px solid rgba(187, 134, 252, 0.25);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(74, 163, 255, 0.4);
}

.glass-card p {
    font-size: 4rem;
}

/* Úvodní sekce (pozdrav vysoko) */
#hero {
    height: auto;
    min-height: 300px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    background: #121212;
    padding: 120px 20px 60px;
    text-align: center;
}

#hero .hero-inner {
    max-width: 800px;
    width: 100%;
}

#hero .name-title {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

#hero .subtitle {
    font-size: 1.4rem;
    margin-top: 0;
}

/* === SEKCÍ PROJEKTY === */
#projekty {
    padding: 2rem 1rem;
    text-align: center;
    background: #121212;
}

#projekty h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(90deg, #4aa3ff, #bb86fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Karty projektů */
.project-card {
    display: inline-block;
    flex: 1;
    padding: 1.5rem;
    margin: 1rem;
    border-radius: 20px;
    background: rgba(40, 40, 40, 0.5);
    backdrop-filter: blur(12px) saturate(160%);
    -webkit-backdrop-filter: blur(12px) saturate(160%);
    border: 1px solid rgba(187, 134, 252, 0.25);
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(74,163,255,0.4);
}

.project-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #4aa3ff, #bb86fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.project-card p {
    font-size: 1rem;
    color: #bbb;
    margin-bottom: 1.5rem;
}

/* Tlačítko */
.project-card .btn {
    display: inline-block;
    padding: 0.6rem 1.4rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, rgba(74,163,255,0.6), rgba(187,134,252,0.6));
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
}

.project-card .btn:hover {
    background: #1abc9c;
    box-shadow: 0 6px 20px rgba(26,188,156,0.4);
}

.project-card .technologies {
    width: 100%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.projects-container {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.playverse-highlight h1 {
    background: linear-gradient(90deg, #4aa3ff, #bb86fc);
    color: transparent;
    background-clip: text;
    font-size: 100px;
    font-weight: 4000;
    text-align: center;
}