/* Bažant Alexandr
2. ročník, IT 2025/2026
*/

/* --- 1. PROMĚNNÉ (Barvy a fonty) --- */
:root {
    --primary-color: #DFFF00; /* Neonová žlutá ze zadání */
    --text-color: #1b1a20;
    --bg-color: #ffffff;
    --gray-bg: #f8f8f8;
    --gap: 20px;
}

/* --- 2. ZÁKLADNÍ NASTAVENÍ (Reset) --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; /* Důležité pro box model */
}

body {
    font-family: 'Rubik', sans-serif;
    color: var(--text-color);
    line-height: 1.5;
    background-color: var(--bg-color);
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* --- 3. KOMPONENTY (Opakovatelné prvky) --- */
.container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 700;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    opacity: 0.8;
}

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

.btn-dark {
    background-color: var(--text-color);
    color: white;
}

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

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

.section-title {
    font-size: 2rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-weight: 700;
}

/* --- 4. HEADER --- */
.main-header {
    background: white;
    padding: 15px 0;
    border-bottom: 1px solid #ddd;
    /* Bonus: Sticky header */
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 900;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-weight: 500;
    text-transform: uppercase;
}

.main-nav a:hover {
    color: #777;
}

.cart-btn {
    position: relative;
    display: flex;
    align-items: center;
}

.badge {
    position: absolute;
    top: -5px;
    right: -8px;
    background: var(--primary-color);
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 11px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
}

.hamburger {
    display: none; /* Na desktopu skryto */
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* --- 5. HERO SEKCE --- */
.hero {
    padding: 50px 0;
}

.hero-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1; /* Zabere polovinu */
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 10px;
}

.hero .subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: #555;
}

.cta-group {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 30px 0;
}

.stat-box {
    background: #eee;
    padding: 15px;
    display: inline-block;
    margin-bottom: 20px;
}

.stat-box strong {
    display: block;
    font-size: 1.2rem;
}

.hero-image {
    flex: 1;
}

/* --- 6. KOLEKCE --- */
.collections {
    padding: 40px 0;
}

.collections-flex {
    display: flex;
    gap: 30px;
}

.collection-card {
    flex: 1;
    position: relative;
    background: #f4f4f4;
    display: flex;
    justify-content: space-between;
    align-items: center;
    overflow: hidden;
}

.collection-card.men { background-color: var(--primary-color); }
.collection-card.women { background-color: #222; color: white; }

.collection-card .card-content {
    padding: 30px;
    z-index: 2;
}

.collection-card img {
    height: 300px;
    width: auto;
    object-fit: cover;
}

/* --- 7. OUR STORY --- */
.our-story {
    padding: 60px 0;
}

.story-flex {
    display: flex;
    align-items: center;
    gap: 50px;
}

.story-text, .story-image {
    flex: 1;
}

.story-stats {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.mini-box {
    border: 2px solid #ddd;
    padding: 10px;
    font-weight: bold;
}

/* --- 8. BEST SELLERS (Grid produktů) --- */
.best-sellers {
    padding: 50px 0;
    background: var(--gray-bg);
}

.product-grid {
    display: flex;
    flex-wrap: wrap; /* Umožní zalamování na další řádek */
    gap: 30px;
}

.product-card {
    background: white;
    padding-bottom: 15px;
    /* Flex-basis výpočet pro 4 sloupce: (100% / 4) - mezery */
    flex: 1 1 calc(25% - 30px); 
}

.product-info {
    padding: 15px;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.add-btn {
    width: 30px;
    height: 30px;
    background: var(--text-color);
    color: white;
    border: none;
    cursor: pointer;
}

.add-btn:hover {
    background: var(--primary-color);
    color: black;
}

/* --- 9. PROMO BANNER --- */
.promo-banner {
    padding: 60px 0;
    background-color: var(--primary-color);
    margin: 40px 0;
}

.promo-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sale-title {
    font-size: 3.5rem;
    font-weight: 900;
}

/* --- 10. QUOTE --- */
.quote-section {
    padding: 60px 0;
}

.quote-flex {
    display: flex;
    align-items: center;
    gap: 40px;
}

.quote-content {
    flex: 1;
    font-size: 1.5rem;
    font-style: italic;
    border-left: 5px solid var(--primary-color);
    padding-left: 20px;
}

.quote-image {
    flex: 0 0 300px;
}

/* --- 11. FOOTER --- */
footer {
    background: var(--text-color);
    color: white;
    padding: 50px 0 20px;
}

.footer-flex {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    border-bottom: 1px solid #444;
    padding-bottom: 30px;
}

.footer-col {
    flex: 1;
    min-width: 200px;
}

.footer-col h4 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.footer-col a:hover {
    text-decoration: underline;
}

.newsletter form {
    display: flex;
    margin-top: 10px;
}

.newsletter input {
    padding: 10px;
    flex: 1;
    border: none;
}

.newsletter button {
    padding: 10px 20px;
    background: var(--primary-color);
    border: none;
    cursor: pointer;
    font-weight: bold;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    font-size: 0.8rem;
    color: #888;
}

/* =======================================================
   RESPONZIVITA - 5 POVINNÝCH STAVŮ (Media Queries)
   ======================================================= */

/* 1. XL desktop ≥ 1201px */
@media (min-width: 1201px) {
    /* Platí základní styly + extra široké mezery */
    .container {
        max-width: 1350px;
    }
}

/* 2. Desktop 1025px – 1200px */
@media (min-width: 1025px) and (max-width: 1200px) {
    .container {
        max-width: 980px;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    /* Produkty stále 4 v řadě, ale menší písmo */
    .product-info h3 {
        font-size: 0.9rem;
    }
}

/* 3. Tablet landscape 769px – 1023px */
@media (min-width: 769px) and (max-width: 1023px) {
    /* Story sekce pod sebe */
    .story-flex {
        flex-direction: column;
        text-align: center;
    }
    
    /* Produkty 2 v řadě (pro jasnou změnu) */
    .product-card {
        flex: 1 1 calc(50% - 30px);
    }
    
    .hero-flex {
        gap: 20px;
    }
}

/* 4. Tablet / Mobile 481px – 768px */
@media (min-width: 481px) and (max-width: 768px) {
    /* Navigace - zjednodušení na hamburger */
    .main-nav { display: none; }
    .hamburger { display: block; }
    
    /* Hero sekce - skládání */
    .hero-flex {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-image {
        order: -1; /* Obrázek nahoru */
        margin-bottom: 20px;
    }
    
    .cta-group {
        justify-content: center;
    }

    /* Kolekce pod sebe */
    .collections-flex {
        flex-direction: column;
    }
    
    /* Produkty 2 v řadě */
    .product-card {
        flex: 1 1 calc(50% - 30px);
    }
    
    .promo-flex { flex-direction: column; }
    .quote-flex { flex-direction: column; }
    .quote-image { order: -1; }
}

/* 5. Mobile ≤ 480px */
@media (max-width: 480px) {
    /* Navigace */
    .main-nav { display: none; }
    .hamburger { display: block; }

    /* Vše do jednoho sloupce */
    .hero-flex, .story-flex, .promo-flex, .quote-flex, .footer-flex {
        flex-direction: column;
    }
    
    .hero h1 { font-size: 2.5rem; }
    .hero-image { order: -1; width: 100%; }
    
    .cta-group { flex-direction: column; width: 100%; }
    .btn { width: 100%; display: block; text-align: center; margin-bottom: 10px; }
    
    .collections-flex { flex-direction: column; gap: 15px; }
    
    /* Produkty 1 v řadě */
    .product-card {
        flex: 1 1 100%;
    }
    
    .sale-title { font-size: 2.5rem; }
}