/* ================================================= */
/* 1. FAREBNÁ PALETA A FONT ZÁKLADNÉ NASTAVENIA       */
/* ================================================= */

:root {
    /* BF Innovation Farby */
    --color-primary-navy: #0D3754;      /* Hlavná modrá (dôvera) */
    --color-accent-blue: #007ACC;       /* Akcentná modrá (CTA) */
    --color-secondary-grey: #6C757D;    /* Strieborná/Šedá (precíznosť) */
    --color-light-grey: #F8F9FA;        /* Svetlé pozadie */
    --color-white: #FFFFFF;             /* Text a biele plochy */

    /* Fonty */
    --font-primary: 'Montserrat', sans-serif;
    --font-size-base: 1.1rem;
}

/* Aplikácia fontu a reset základného štýlu */
body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-secondary-grey);
    margin: 0;
    padding: 0;
    background-color: var(--color-white);
}

h1, h2, h3 {
    font-weight: 700; /* Tučné pre nadpisy */
    color: var(--color-primary-navy);
    line-height: 1.2;
    margin-top: 0;
}

.container {
    width: 90%;
    max-width: 1200px; /* Maximálna šírka obsahu */
    margin: 0 auto;
    padding: 20px 0;
}

/* ================================================= */
/* 2. HEADER A NAVIGÁCIA                             */
/* ================================================= */

.main-header {
    background-color: var(--color-white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--color-primary-navy);
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 25px;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-primary-navy);
    font-weight: 500;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: var(--color-accent-blue);
}

/* ================================================= */
/* 3. CTA TLAČIDLÁ                                   */
/* ================================================= */

.cta-button {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    transition: background-color 0.3s, color 0.3s;
    border: 2px solid transparent;
}

.main-cta {
    background-color: var(--color-accent-blue);
    color: var(--color-white);
}

.main-cta:hover {
    background-color: var(--color-primary-navy); /* Stmavenie pri hoveri */
}

.secondary-cta {
    background-color: transparent;
    border-color: var(--color-primary-navy);
    color: var(--color-primary-navy);
    margin-left: 15px;
}

.secondary-cta:hover {
    background-color: var(--color-light-grey);
}

/* ================================================= */
/* 4. HERO SEKCIA A MOTTO                            */
/* ================================================= */

.hero-section {
    background: var(--color-primary-navy); /* Tmavý podklad pre kontrast */
    color: var(--color-white);
    padding: 100px 0;
    text-align: center;
    /* SEM PRIDAJTE FOTO STROJOVÉHO VIZUÁLU AK MÁTE! */
    /* background-image: url('../images/hero-bg.jpg'); */
    background-size: cover;
    background-position: center;
}

.hero-section h1 {
    font-size: 3rem;
    color: var(--color-white);
    margin-bottom: 20px;
}

.hero-section .subtitle {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 30px;
}

.hero-section .motto {
    font-style: italic;
    font-size: 1.5rem;
    color: var(--color-secondary-grey); /* Strieborný/Šedý tón */
}

.cta-group {
    margin-top: 40px;
}

/* ================================================= */
/* 5. PREHĽAD SLUŽIEB (Service Cards)                */
/* ================================================= */

.services-overview {
    padding: 80px 0;
    background-color: var(--color-light-grey);
    text-align: center;
}

.service-cards {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 40px;
}

.card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    flex: 1;
    text-align: left;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px); /* Jemný efekt pri prechode myšou */
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.card h3 {
    font-size: 1.5rem;
    color: var(--color-accent-blue);
    margin-bottom: 15px;
}

.card a {
    display: inline-block;
    margin-top: 15px;
    color: var(--color-primary-navy);
    font-weight: 700;
    text-decoration: none;
}

/* ================================================= */
/* 6. KONTAKTNÁ VÝZVA (Sekcia pred pätičkou)        */
/* ================================================= */

.contact-cta-section {
    padding: 60px 0;
    background-color: var(--color-primary-navy);
    color: var(--color-white);
    text-align: center;
}

.contact-cta-section h2 {
    color: var(--color-white);
    margin-bottom: 10px;
}

.contact-cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.contact-cta-section .large {
    font-size: 1.1rem;
    padding: 15px 30px;
}

/* ================================================= */
/* 7. PÄTIČKA (Footer)                               */
/* ================================================= */

.main-footer {
    background-color: #333; /* Tmavá neutrálna farba */
    color: var(--color-light-grey);
    padding: 30px 0;
    text-align: center;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0 0 15px 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.main-footer a {
    color: var(--color-light-grey);
    text-decoration: none;
    transition: color 0.3s;
}

.main-footer a:hover {
    color: var(--color-accent-blue);
}

/* ================================================= */
/* 8. RESPONZIVITA (Zabezpečenie pre mobily)        */
/* ================================================= */

@media (max-width: 900px) {
    .service-cards {
        flex-direction: column; /* Karty pod sebou na menších obrazovkách */
    }

    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }
}