/* Reset a základní styly */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #1e293b;
    --text: #334155;
    --text-light: #64748b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 16px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typografie */
h1, h2, h3 {
    color: var(--secondary);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Tlačítka */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

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

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

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-nav {
    padding: 8px 20px;
    background: var(--primary);
    color: white;
}

.btn-nav:hover {
    background: var(--primary-dark);
    color: white;
}

.btn-full {
    width: 100%;
}

/* Header a navigace */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.header.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
}

.logo:hover {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--secondary);
    transition: all 0.3s ease;
}

/* Hero sekce */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.hero-content {
    max-width: 700px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin: 24px 0 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Sekce - obecné */
.section-title {
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 48px;
}

/* Služby */
.services {
    padding: 100px 0;
    background: var(--bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    padding: 32px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    color: var(--primary);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
}

/* O mně */
.about {
    padding: 100px 0;
    background: var(--bg-alt);
}

.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 64px;
    align-items: start;
}

.about-image {
    position: sticky;
    top: 100px;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.0625rem;
}

.about-list {
    list-style: none;
    margin-top: 24px;
}

.about-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
}

.about-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}

/* E-shopy */
.eshops {
    padding: 100px 0;
    background: var(--bg);
}

.eshops-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.eshop-card {
    display: block;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.eshop-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    color: inherit;
}

.eshop-logo {
    height: 200px;
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.eshop-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.eshop-card h3 {
    padding: 20px 20px 8px;
}

.eshop-card p {
    padding: 0 20px 20px;
    color: var(--text-light);
}

.eshops-note {
    text-align: center;
    color: var(--text-light);
    font-style: italic;
}

/* Kontakt */
.contact {
    padding: 100px 0;
    background: var(--bg-alt);
}

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-item svg {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    color: var(--secondary);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item span {
    color: var(--text-light);
}

.contact-item a:hover {
    color: var(--primary);
}

/* Formulář */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--secondary);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    padding: 40px 0;
    background: var(--secondary);
    color: white;
}

.footer-content {
    text-align: center;
}

.footer-content p {
    opacity: 0.9;
}

.footer-note {
    margin-top: 8px;
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Responzivní design */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .services,
    .about,
    .eshops,
    .contact {
        padding: 60px 0;
    }

    .section-subtitle {
        margin-bottom: 32px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-image {
        position: static;
        max-width: 250px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .service-card {
        padding: 24px;
    }

    .eshops-grid {
        grid-template-columns: 1fr;
    }
}

/* Animace */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.6s ease;
}

/* Utility classes */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}