/* ==========================================================================
   SKUPINA CREDIT - HLAVNÍ STYLESHEET (sdílené styly)
   ========================================================================== */

/* === 01. PROMĚNNÉ A ZÁKLADNÍ NASTAVENÍ === */

:root {
    --bg: #f5f4f0;
    --bg-white: #ffffff;

    /* Nová přívětivá žlutá paleta */
    --accent: #FFB300;
    --accent-hover: #E6A200;
    --accent-soft: rgba(255, 179, 0, 0.08);

    --text: #1a1a1a;
    --text-muted: #6b6b6b;
    --text-dim: #999999;
    --border: rgba(0, 0, 0, 0.08);
    --light-black: rgb(66, 66, 66);

    --font-display: 'Oswald', sans-serif;
    --font-body: 'Montserrat', sans-serif;

    --header-height: 90px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

/* Oprava scrollování s fixní hlavičkou */
section, #koncerty-strip, #galerie, #galerie-section {
    scroll-margin-top: var(--header-height);
}

/* === ANIMACE === */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === UTILITY === */
.bg-white { background: var(--bg-white) !important; }
.pb-80 { padding-bottom: 80px !important; }
.pt-60 { padding-top: 60px !important; }
.text-accent { color: var(--accent) !important; font-weight: 600; }
.page-offset { padding-top: calc(var(--header-height) + 60px) !important; }


/* === TLAČÍTKA (sdíleno) === */

/* Hlavní tlačítka - přepnuto na Oswald */
.btn-main {
    background: var(--accent);
    color: #111;
    border: 2px solid var(--accent);
    padding: 14px 32px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-decoration: none;
    transition: 0.3s;
    border-radius: 4px;
    text-align: center;
}

.btn-main:hover {
    background: white;
    color: var(--text);
    border: 2px solid var(--bg-white);
    transform: translateY(-3px);
}

.btn-outline {
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(5px);
    color: #fff;
    border: 2px solid #fff;
    padding: 14px 32px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-decoration: none;
    transition: 0.3s;
    border-radius: 4px;
    text-align: center;
}

.btn-outline:hover {
    background: #fff;
    color: var(--text);
    transform: translateY(-3px);
}


/* ==========================================================================
   02. NAVIGACE A HLAVIČKA
   ========================================================================== */

#top-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1500;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 0 48px;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.5s, border-color 0.5s, backdrop-filter 0.5s, box-shadow 0.5s;
    pointer-events: none;
}

.header-logo-wrap {
    flex: 1;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    pointer-events: auto;
}

.header-logo {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    display: block;
    flex-shrink: 0;
}

.header-logo img {
    height: 35px;
    width: auto;
    display: block;
}

#top-bar.solid {
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom-color: rgba(255, 179, 0, 0.3);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    pointer-events: auto;
}

#top-bar.solid .header-logo {
    opacity: 1;
    transform: translateX(0);
}

.nav-wrapper {
    flex: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    z-index: 10;
}

.nav-content { display: flex; }
.nav-group { display: flex; gap: 36px; align-items: center; }

/* Přepnuto na Oswald */
.nav-group a {
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.15rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s;
    color: rgba(255, 255, 255, 0.8);
    padding: 8px 0;
    white-space: nowrap;
}

#top-bar.solid .nav-group a { color: rgba(255, 255, 255, 0.9); }

.nav-group a:hover,
#top-bar.solid .nav-group a:hover,
.nav-group a.active,
#top-bar.solid .nav-group a.active { color: #fff; }

.nav-group a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    border-radius: 2px;
}

.nav-group a:hover::after,
.nav-group a.active::after { width: 100%; }

.nav-mobile-cta { display: none; }
.nav-mobile-header, .nav-mobile-footer { display: none; }

.header-cta {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    opacity: 0;
    transform: translateX(40px);
    pointer-events: none;
    transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Tlačítko v menu - přepnuto na Oswald */
.btn-header {
    background: var(--accent);
    color: #111;
    padding: 10px 24px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s;
    white-space: nowrap;
    pointer-events: auto;
}

.btn-header:hover {
    background: var(--bg-white);
    color: var(--text);
    transform: translateY(-2px);
}

#top-bar.solid .header-cta {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
    z-index: 1600;
    flex-shrink: 0;
    pointer-events: auto;
}

.hamburger span {
    width: 22px;
    height: 2px;
    background: #fff;
    display: block;
    transition: .3s cubic-bezier(0.25, 1, 0.5, 1);
}

#top-bar.solid .hamburger span { background: #fff; }
.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ==========================================================================
   03. UNIVERZÁLNÍ SEKCE
   ========================================================================== */

.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 32px;
}

.section-label {
    font-weight: 600;
    font-size: .7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 4rem);
    line-height: 1.3;
    letter-spacing: 2px;
    margin-bottom: 24px;
    color: var(--text);
    text-transform: uppercase;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 620px;
    line-height: 1.85;
    margin-bottom: 16px;
}

.divider {
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: 32px 0;
}

.page-main-title {
    text-align: center;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 60px;
    line-height: 1.1;
}

.page-main-title span {
    display: block;
    font-family: var(--font-body);
    color: var(--accent);
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    letter-spacing: 3px;
    margin-top: 12px;
    font-weight: 700;
}


/* ==========================================================================
   04. KONCERTY (sdíleno index + kalendar)
   ========================================================================== */

.concerts-list {
    list-style: none;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px 24px;
}

.concert-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 20px;
    align-items: center;
    padding: 22px 16px;
    border-bottom: 1px solid var(--border);
    transition: background .3s;
}

.concert-item:first-child { border-top: 1px solid var(--border); }
.concert-item:hover { background: var(--accent-soft); }

.concert-date {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    justify-content: flex-start;
}

.concert-date .day {
    font-family: var(--font-display);
    font-size: 3.2rem;
    color: var(--accent);
    line-height: 1;
}

.date-m-y {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
}

.concert-date .month { font-size: 0.85rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--text); }
.concert-date .year { font-size: 0.75rem; font-weight: 500; color: var(--text-dim); letter-spacing: 1px; margin-top: 2px; }

.concert-info {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 20px;
}

.concert-city {
    font-family: var(--font-display);
    font-size: 1.8rem;
    letter-spacing: 1px;
    color: var(--text);
    text-transform: uppercase;
    line-height: 1.1;
    margin: 0;
    transition: color 0.3s;
    flex-shrink: 0;
}

.concert-item:hover .concert-city { color: var(--accent); }

.concert-details { display: flex; flex-direction: column; text-align: right; }
.concert-venue { font-weight: 600; font-size: 1.05rem; color: var(--text); line-height: 1.3; }
.concert-type { font-size: 0.85rem; color: var(--text-muted); margin-top: 2px; }

.year-divider {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--accent);
    text-align: center;
    padding: 40px 0 20px;
    margin-top: 20px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 20px;
}

.year-divider:first-child { margin-top: 0; padding-top: 0; }


/* ==========================================================================
   05. ZÁKLADNÍ G-ITEM (sdíleno index + galerie)
   ========================================================================== */

.g-item { overflow: hidden; position: relative; aspect-ratio: 1; cursor: pointer; border-radius: 8px; }
.g-item img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(40%); transition: filter .5s, transform .5s; }
.g-item:hover img { filter: grayscale(0%); transform: scale(1.03); }


/* ==========================================================================
   06. PATIČKA
   ========================================================================== */

.site-footer { background: #0a0a0a; color: var(--text-dim); padding: 60px 32px 30px; font-size: 0.95rem; }
.footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto auto; gap: 80px; margin-bottom: 40px; }
.footer-logo { display: inline-block; text-decoration: none; margin-bottom: 16px; }
.footer-logo img { height: 35px; width: auto; display: block; transition: transform 0.3s; }
.footer-logo:hover img { transform: scale(1.05); }
.footer-tagline { line-height: 1.7; margin-bottom: 24px; max-width: 400px; }

.social-icons { display: flex; gap: 16px; }
.social-icons a { display: flex; align-items: center; justify-content: center; width: 50px; height: 50px; border-radius: 50%; background: var(--accent); color: #111; text-decoration: none; transition: all 0.3s; font-size: 1.6rem; }
.social-icons a:hover { transform: translateY(-3px); background: #fff; }

.footer-heading { color: #fff; text-transform: uppercase; letter-spacing: 2px; font-size: 1.1rem; font-family: var(--font-display); margin-bottom: 20px; }
.footer-links ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }

/* FIX DUCHŮ V PATIČCE */
.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: translateZ(0);
}

.footer-links a:hover {
    color: var(--accent);
    transform: translate3d(5px, 0, 0);
}

.footer-bottom {max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding-top: 30px; border-top: 1px solid var(--light-black); font-size: 0.85rem; letter-spacing: 1px; flex-wrap: wrap; gap: 20px; }
.author-signature { opacity: 0.8; transition: opacity 0.3s; text-decoration: none; display: flex; align-items: center; gap: 8px;}
.author-signature:hover { opacity: 1; }


/* ==========================================================================
   07. RESPONZIVITA (sdílené styly)
   ========================================================================== */

@media (max-width: 1250px) {
    #top-bar { padding: 0 32px; }
    .header-cta { display: none; }
    .header-logo-wrap { flex: 0 0 auto; margin-right: 30px; }
    .nav-wrapper { justify-content: flex-end; }
    .nav-group { gap: 20px; }
    .nav-group a { font-size: 0.95rem; letter-spacing: 1.5px; }
}

@media (max-width: 950px) {
    :root { --header-height: 80px; }

    #top-bar {
        padding: 0 24px;
        background: rgba(10, 10, 10, 0.98);
        border-bottom-color: rgba(255, 179, 0, 0.3);
        box-shadow: 0 4px 30px rgba(0,0,0,0.4);
        pointer-events: auto;
    }

    /* KOUZLO: Logo ukotvíme absolutně na střed hlavičky a dáme mu z-index nad menu */
    .header-logo-wrap {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        z-index: 1600; 
    }
    
    /* Vynutíme zobrazení a zrušíme případné staré animace, co by s ním hýbaly */
    .header-logo { 
        opacity: 1 !important; 
        transform: none !important; 
    }

    .nav-wrapper { 
        position: fixed; 
        top: 0; 
        left: 0; 
        width: 100vw; 
        height: 100dvh; 
        overflow: hidden !important; 
        touch-action: none; 
        
        background: linear-gradient(180deg, rgba(10, 10, 10, 0.98) 0%, rgba(0, 0, 0, 1) 100%);
        backdrop-filter: blur(20px); 
        -webkit-backdrop-filter: blur(20px);
    
        display: flex;
        flex-direction: column; 
        justify-content: center; 
        align-items: center; 
        
        /* Ochranná bariéra pro logo + safe area */
        padding: 110px 20px calc(30px + env(safe-area-inset-bottom)); 
        box-sizing: border-box;

        /* TOTO TU CHYBĚLO: Základní stav (schované) */
        opacity: 0; 
        visibility: hidden; 
        pointer-events: none; /* Aby šlo klikat na web pod tím */
        transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1); 
        z-index: 1550; 
    }
    
    .nav-wrapper.open { 
        opacity: 1; 
        visibility: visible; 
        pointer-events: auto; /* Při otevření zase zapneme klikání */
    }
    
    .nav-group { flex-direction: column; align-items: center; gap: 8px; width: 100%; }
    
    /* === FIX: TEXTY PLNĚ BÍLÉ === */
    .nav-group a { 
        font-family: var(--font-display);
        text-transform: uppercase;
        font-size: 1.6rem; 
        padding: 10px 20px; 
        color: #ffffff; 
        letter-spacing: 2px; 
        transform: translateY(20px); 
        opacity: 0;
        transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
        display: block;
        white-space: nowrap;
    }
    
    .nav-group a::after { display: none; }
    .nav-group a.active, #top-bar.solid .nav-group a.active { color: var(--accent) !important; transform: scale(1.05); }
    .nav-group a:hover { color: var(--accent); }

    /* Spodní sekce (Tlačítko + Sociální sítě) */
    .nav-mobile-footer {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 20px; 
        flex-shrink: 0; 
        width: 100%;
        margin-top: 30px; 
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1) 0.5s; 
    }
    
    .nav-mobile-cta { display: flex; width: 100%; justify-content: center; }
    .nav-mobile-cta .btn-main { padding: 12px 32px; font-size: 1rem; box-shadow: 0 10px 30px rgba(255, 179, 0, 0.2); }

    .nav-mobile-socials { display: flex; gap: 16px; justify-content: center; width: 100%; }
    .nav-mobile-socials a { 
        display: flex; align-items: center; justify-content: center; 
        width: 42px; height: 42px; border-radius: 50%; 
        background: var(--accent); color: #111; 
        text-decoration: none; transition: all 0.3s; font-size: 1.2rem; 
    }
    .nav-mobile-socials a:hover { transform: translateY(-3px); background: #fff; }

    /* Animace zobrazení */
    .nav-wrapper.open .nav-group a,
    .nav-wrapper.open .nav-mobile-footer {
        transform: translateY(0);
        opacity: 1 !important;
    }
    
    .nav-wrapper.open .nav-group a:nth-child(1) { transition-delay: 0.1s; }
    .nav-wrapper.open .nav-group a:nth-child(2) { transition-delay: 0.15s; }
    .nav-wrapper.open .nav-group a:nth-child(3) { transition-delay: 0.2s; }
    .nav-wrapper.open .nav-group a:nth-child(4) { transition-delay: 0.25s; }
    .nav-wrapper.open .nav-group a:nth-child(5) { transition-delay: 0.3s; }
    .nav-wrapper.open .nav-group a:nth-child(6) { transition-delay: 0.35s; }

    /* Hamburger a zbytek... */
    .hamburger { display: flex; flex-shrink: 0; margin-left: auto; }

    .footer-container { gap: 30px; grid-template-columns: 1fr auto auto; }
}

@media (max-width: 768px) {
    .concert-item { grid-template-columns: 130px 1fr; gap: 24px; }
    .concert-info { flex-direction: column; align-items: flex-start; gap: 4px; }
    .concert-details { text-align: left; }

    .section { padding: 80px 20px; }

    .footer-container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .footer-tagline { margin: 0 auto 24px; }
    .social-icons { justify-content: center; }
    .footer-bottom { flex-direction: column; justify-content: center; text-align: center; }

    .page-main-title { margin-bottom: 40px; }
}

@media (max-width: 480px) {
    #top-bar { padding: 0 16px; }
    .header-logo img { height: 24px; }

    .nav-group a { font-size: 1.5rem; }
    .nav-mobile-cta { margin-top: 40px; }

    .concert-item { grid-template-columns: 85px 1fr; gap: 16px; padding: 20px 12px; }
    .concert-date { flex-direction: column; align-items: center; gap: 2px; text-align: center; }
    .date-m-y { align-items: center; }
    .concert-date .day { font-size: 2.2rem; }
    .concert-city { font-size: 1.3rem; line-height: 1.2; }
    .concert-venue { font-size: 0.95rem; }
}