/* GOOGLE FONTS IMPORT - INTER */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS PROMĚNNÉ PRO CHYTRÉ A KONZISTENTNÍ STYLOVÁNÍ VŠECH PODSTRÁNEK */
:root {
    /* Barevná paleta (Uklidňující, důvěryhodná, profesionální) */
    --primary-color: #1b3b5f;       /* Hluboká důvěryhodná tmavě modrá */
    --secondary-color: #4d7c7a;     /* Uklidňující šalvějová / šedozelená */
    --accent-color: #7ba4b5;        /* Jemná pastelová modrá pro akcenty */
    --text-main: #2d3748;           /* Tmavě šedá pro optimální čitelnost textu */
    --text-muted: #5a6a85;          /* Jemnější šedá pro doplňující texty */
    --bg-main: #fafbfc;             /* Velmi světlý uklidňující podklad */
    --bg-card: #ffffff;             /* Čistě bílá pro karty a sekce */
    --border-color: #e2e8f0;        /* Světlá linka pro jemné ohraničení */
    
    /* Typografie */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Rozvržení a mezery */
    --max-width: 1140px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    
    /* Animace */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ZÁKLADNÍ RESET A NASTAVENÍ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* REUSABLE KOMPONENTY / KONTEJNER */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* TLAČÍTKA */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-card);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: rgba(27, 59, 95, 0.05);
    transform: translateY(-2px);
}

/* HLAVIČKA A NAVIGACE (RESPONSIVE MOBILE-FIRST) */
.site-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: var(--space-sm);
    padding-bottom: var(--space-sm);
}

.logo {
    margin-bottom: var(--space-sm);
    text-align: center;
}

.logo-link {
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.8rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.main-navigation {
    width: 100%;
}

.nav-list {
    display: flex;
    flex-direction: column;
    width: 100%;
    list-style: none;
    gap: var(--space-xs);
    text-align: center;
}

.nav-link {
    display: block;
    padding: 0.6rem var(--space-sm);
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
    background-color: rgba(27, 59, 95, 0.04);
}

.nav-link.nav-cta {
    background-color: rgba(77, 124, 122, 0.1);
    color: var(--secondary-color);
    font-weight: 600;
}

.nav-link.nav-cta:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* HERO SEKCE */
.hero-section {
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-main) 100%);
    padding: var(--space-xl) 0;
    overflow: hidden;
}

.hero-container {
    display: flex;
    flex-direction: column-reverse;
    gap: var(--space-lg);
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-content h1 {
    font-size: 2.2rem;
    color: var(--primary-color);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Prostor pro fotografii */
.hero-image-box {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-image-placeholder {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 4 / 5;
    background-color: #edf2f7;
    border: 1px dashed var(--accent-color);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-muted);
    padding: var(--space-md);
    text-align: center;
    gap: var(--space-sm);
}

.placeholder-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-color);
}

/* SEKCE O MNĚ (KDO JSEM) */
.about-section {
    padding: var(--space-xl) 0;
    background-color: var(--bg-card);
}

.section-header {
    margin-bottom: var(--space-xl);
}

.section-header h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: var(--space-xs);
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

.section-tagline {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.about-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.about-main-text {
    font-size: 1.05rem;
}

.lead-paragraph {
    font-size: 1.15rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.about-main-text p {
    margin-bottom: var(--space-sm);
}

.about-details-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.info-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

.info-card h3 {
    font-size: 1.15rem;
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.card-icon {
    font-size: 1.3rem;
}

.custom-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.custom-list li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.95rem;
}

.custom-list li::before {
    content: "•";
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: -2px;
}

.custom-list li.list-notice {
    color: #c53030;
    font-weight: 500;
}

.custom-list li.list-notice::before {
    content: "×";
    color: #c53030;
    font-size: 1.1rem;
    top: 0;
}

/* KONTAKTNÍ SEKCE */
.contact-section {
    padding: var(--space-xl) 0;
    background-color: var(--bg-main);
}

.contact-box {
    background-color: var(--primary-color);
    color: white;
    padding: var(--space-lg) var(--space-md);
    border-radius: var(--radius-lg);
    text-align: center;
}

.contact-header h2 {
    font-size: 1.8rem;
    margin-bottom: var(--space-xs);
}

.contact-header p {
    color: var(--accent-color);
    margin-bottom: var(--space-lg);
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-card {
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: var(--transition);
}

.contact-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.contact-icon {
    width: 44px;
    height: 44px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

.contact-info {
    text-align: left;
}

.contact-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent-color);
}

.contact-value {
    font-size: 1.1rem;
    font-weight: 600;
    word-break: break-all;
}

/* PATIČKA */
.site-footer {
    background-color: var(--primary-color);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    text-align: center;
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-subtext {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}


/* ==========================================================================
   MEDIA QUERIES (TABLET & DESKTOP KROKY)
   ========================================================================== */

/* Tablet (min-width: 600px) */
@media (min-width: 600px) {
    .nav-list {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-actions {
        flex-direction: row;
    }
    
    .contact-cards {
        flex-direction: row;
        justify-content: center;
    }
    
    .contact-card {
        flex: 1;
        max-width: 350px;
    }
}

/* Desktop (min-width: 900px) */
@media (min-width: 900px) {
    .header-container {
        flex-direction: row;
        justify-content: space-between;
        padding-top: var(--space-md);
        padding-bottom: var(--space-md);
    }
    
    .logo {
        margin-bottom: 0;
        text-align: left;
    }
    
    .main-navigation {
        width: auto;
    }
    
    .nav-list {
        gap: var(--space-xs);
    }
    
    .hero-container {
        flex-direction: row;
        gap: var(--space-xl);
    }
    
    .hero-content {
        flex: 1.2;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-image-box {
        flex: 0.8;
        justify-content: flex-end;
    }
    
    .profile-image-placeholder {
        max-width: 360px;
    }
    
    .about-grid {
        flex-direction: row;
        gap: var(--space-xl);
    }
    
    .about-main-text {
        flex: 1;
    }
    
    .about-details-grid {
        flex: 1.2;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .contact-box {
        padding: var(--space-xl);
    }
    
    .contact-header h2 {
        font-size: 2.4rem;
    }
    
    .footer-container {
        flex-direction: row;
        justify-content: space-between;
    }
}