/* ===========================
    Základní styly a proměnné
    =========================== */

:root {
    /* Barevná paleta */
    --primary-color: #2C5F8D;
    --secondary-color: #E07A47;
    --dark-color: #1A1A1A;
    --gray-color: #6B7280;
    --light-gray: #F3F4F6;
    --white: #FFFFFF;
    
    /* Typografie */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Georgia', serif;
    
    /* Rozměry */
    --container-width: 1200px;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
    user-select: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================
    Typografie
    =========================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin-bottom: 1rem;
    user-select: text;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

input,
textarea {
    user-select: text;
}

/* ===========================
    Navigace
    =========================== */

.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    height: 36px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a.active {
    color: var(--secondary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===========================
    Hero sekce
    =========================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a4567 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(224, 122, 71, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    width: 6px;
    height: 6px;
    background-color: var(--white);
    border-radius: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        top: 10px;
        opacity: 1;
    }
    100% {
        top: 30px;
        opacity: 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
    Tlačítka
    =========================== */

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(224, 122, 71, 0.3);
}

.btn-primary:hover {
    background-color: #c96839;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(224, 122, 71, 0.4);
}

/* ===========================
    Sekce - obecné styly
    =========================== */

section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-line {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto 1rem;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-color);
    max-width: 600px;
    margin: 0 auto;
}

.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================
    O nás
    =========================== */

.about-section {
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
}

.about-text .lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--gray-color);
}

.about-image .image-stack {
    position: relative;
    display: grid;
    gap: 20px;
}

.about-image img {
    width: 100%;
    border-radius: var(--border-radius);
    object-fit: cover;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.about-image .image-secondary {
    transform: translateX(40px);
}

/* ===========================
   Výroba / Galerie
   =========================== */

.gallery-section {
    background-color: var(--light-gray);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.gallery-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(0);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-6px);
}

.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

/* ===========================
    Služby
    =========================== */

.services-section {
    background-color: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #3a7ab5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon svg {
    width: 40px;
    height: 40px;
    color: var(--white);
}

.service-title {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.service-description {
    color: var(--gray-color);
    line-height: 1.7;
}

/* ===========================
    Proč my
    =========================== */

.why-us-section {
    background-color: var(--white);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.why-card {
    text-align: center;
    padding: 30px 20px;
}

.why-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-color);
    opacity: 0.2;
    font-family: var(--font-heading);
    margin-bottom: 10px;
}

.why-card h3 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.why-card p {
    color: var(--gray-color);
}

/* ===========================
   Partneři
   =========================== */

.partners-section {
    background-color: var(--white);
}

.partners-marquee {
    position: relative;
    overflow: hidden;
    padding: 10px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 28px;
    width: max-content;
    animation: marquee 22s linear infinite;
    padding: 10px 0;
}

.partner-logo-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    padding: 14px 22px;
    border-radius: 999px;
    background: var(--light-gray);
    color: var(--primary-color);
    font-family: var(--font-heading);
    font-size: 1rem;
    letter-spacing: 0.3px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.partner-logo-item:hover {
    transform: translateY(-2px) scale(1.02);
    color: var(--secondary-color);
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ===========================
    Pro koho
    =========================== */

.for-whom-section {
    background-color: var(--light-gray);
}

.for-whom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.for-whom-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.for-whom-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.for-whom-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(44, 95, 141, 0.15), rgba(224, 122, 71, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.for-whom-icon svg {
    width: 32px;
    height: 32px;
}

.for-whom-card h3 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.for-whom-card p {
    color: var(--gray-color);
}

/* ===========================
    Kontaktní formulář
    =========================== */

.contact-section {
    background-color: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

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

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

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    padding: 14px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.form-message {
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
    display: none;
    text-align: center;
    font-weight: 500;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    display: block;
}

.contact-info {
    background-color: var(--light-gray);
    padding: 40px;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item h3,
.info-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.info-item p {
    color: var(--gray-color);
}

.info-item a {
    color: var(--primary-color);
    font-weight: 500;
}

.info-item a:hover {
    color: var(--secondary-color);
}

/* ===========================
    Footer
    =========================== */

.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: 10px;
}

.footer-tagline {
    color: var(--secondary-color);
    font-size: 1.125rem;
    font-style: italic;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1.125rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a {
    color: #9CA3AF;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    color: #9CA3AF;
    font-size: 0.9rem;
}

/* ===========================
    Responsivita
    =========================== */

@media (max-width: 968px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image .image-secondary {
        transform: translateX(0);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 15px 0;
        border-bottom: 1px solid var(--light-gray);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(10px);
    }

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-10px);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

    .why-us-grid {
        grid-template-columns: 1fr;
    }

    .for-whom-grid {
        grid-template-columns: 1fr;
    }

    .marquee-track {
        animation-duration: 28s;
    }

    .footer-links {
        flex-direction: column;
        gap: 30px;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .service-card,
    .for-whom-card {
        padding: 30px 20px;
    }

    .contact-info {
        padding: 30px 20px;
    }
}