:root {
    --color-background: #111;
    --color-section: #222;
    --color-accent: #8f8559;
    --color-text: #fff;
    --color-secondary: #b0b0b0;
    --font-main: 'Roboto', 'Arial', sans-serif;
    --header-padding: 38px;
}

/* Reset i ogólne */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
    background: var(--color-background);
    color: var(--color-text);
    font-size: 16px;
    line-height: 1.7;
    letter-spacing: 1px;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color .18s;
}

a:hover { color: #fff; }

/* Nagłówek i logo */
.header {
    background: #000;
    border-bottom: 2px solid var(--color-section);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: var(--header-padding);
    padding-bottom: 17px;
    min-height: 138px;
    position: sticky;
    top: 0;
    z-index: 22;
}

.logo-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: 34px;
    margin-bottom: 12px;
}

.logo-link img {
    height: 120px;
    max-width: 340px;
    margin: 0 auto;
    display: block;
    transition: transform .22s cubic-bezier(.16,.93,.61,1.02);
}

.logo-link img:hover {
    transform: scale(1.07);
}

/* Menu */
.nav {
    display: flex;
    justify-content: center;
    gap: 54px;
    font-size: 1.04rem;
    margin-top: 22px;
    font-weight: 500;
    letter-spacing: .09em;
}

.nav a {
    color: var(--color-text);
    font-weight: 500;
    text-transform: uppercase;
    padding: 6px 0;
    transition: color .14s;
    border-bottom: 2px solid transparent;
}

.nav a.active,
.nav a:hover {
    color: var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
}

/* Hero sekcja */
.hero {
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 46px 0;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #000c 36%, #1b1b1b80 100%);
    z-index: 0;
}

.hero-content {
    max-width: 880px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 32px 16px;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.4rem;
    color: var(--color-accent);
    font-weight: 800;
    text-transform: uppercase;
    margin: 0 0 12px 0;
    letter-spacing: .06em;
    text-shadow: 0 3px 19px #0004;
}

.hero-section h2 {
    font-size: 1.2rem;
    color: var(--color-text);
    font-weight: 400;
    letter-spacing: .08em;
    text-shadow: 0 2px 8px #1114;
}

.hero-section p {
    font-weight: 300;
}

/* WYŚRODKOWANIE PRZYCISKÓW */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 36px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.action-buttons .btn,
.action-buttons .btn--primary,
.action-buttons .btn--outline {
    display: inline-block;
    margin: 0;
}

/* PRZYCISKI */
.btn, .btn--primary {
    background: var(--color-accent);
    color: #111;
    font-family: var(--font-main);
    text-transform: uppercase;
    font-weight: 800;
    font-size: 1.07rem;
    letter-spacing: .12em;
    border: none;
    border-radius: 0;
    padding: 19px 52px;
    box-shadow: none;
    cursor: pointer;
    transition: background .17s, color .17s, box-shadow .18s, outline .12s;
    outline: 2px solid transparent;
}

.btn--primary:hover, .btn:hover {
    background: #fff;
    color: #111;
    outline: 2px solid var(--color-accent);
}

.btn--outline {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    border-radius: 0;
    font-weight: 800;
    padding: 17px 50px;
    transition: background .18s, color .17s, outline .12s;
}

.btn--outline:hover {
    background: var(--color-accent);
    color: #111;
    outline: 2px solid #fff;
}

/* Sekcje */
section {
    background: var(--color-section);
    max-width: 1060px;
    margin: 48px auto;
    padding: 44px 30px;
    box-shadow: 0 6px 36px #0002;
    border-radius: 0;
}

.section-heading {
    color: var(--color-accent);
    font-size: 2.1rem;
    font-weight: 900;
    margin-bottom: 19px;
    letter-spacing: 0.03em;
    text-align: center;
}

.section-subheading {
    color: var(--color-text);
    font-weight: 400;
    margin-bottom: 35px;
    font-size: 1.11rem;
    text-align: center;
}

.flex-cards {
    display: flex;
    gap: 38px;
    flex-wrap: wrap;
    justify-content: center;
}

.card {
    background: #181818;
    box-shadow: 0 2px 16px #ceb36b15;
    min-width: 250px;
    max-width: 350px;
    flex: 1 1 300px;
    padding: 32px 18px 28px 18px;
    margin-bottom: 22px;
    border-radius: 0;
    transition: box-shadow .22s, transform .22s;
}

.card:hover {
    box-shadow: 0 12px 48px #ceb36b1b;
    transform: translateY(-2px) scale(1.01);
}

.card h3 {
    color: var(--color-accent);
    font-size: 1.2rem;
    font-weight: 800;
}

.card p {
    color: var(--color-secondary);
    font-size: 1.01rem;
}

/* Stopka zawsze na dole ekranu */
footer {
    background: #000;
    color: var(--color-accent);
    padding: 48px 0 26px 0;
    text-align: center;
    font-size: 15px;
    letter-spacing: .09em;
    border-radius: 0;
    flex-shrink: 0;
}

/* Responsywność */
@media (max-width: 1100px) {
    .hero-content, section {
        max-width: 97vw;
        padding: 22px 16px;
    }
}

@media (max-width: 900px) {
    .flex-cards {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }

    .logo-link img {
        height: 90px;
    }

    .header {
        padding-top: 20px;
        min-height: 110px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content h2 {
        font-size: 1.1rem;
    }

    /* Przyciski na tabletach */
    .btn, .btn--primary {
        font-size: 0.95rem;
        padding: 14px 36px;
    }

    .btn--outline {
        font-size: 0.95rem;
        padding: 12px 34px;
    }
}

@media (max-width: 600px) {
    .logo-link img {
        height: 85px;
        margin-top: 10px;
    }

    .header {
        padding-top: 12px;
        padding-bottom: 12px;
        min-height: 90px;
    }

    .logo-link {
        margin-top: 8px;
        margin-bottom: 8px;
    }

    .nav {
        gap: 20px;
        font-size: 0.88rem;
        margin-top: 12px;
    }

    .hero {
        min-height: 320px;
        padding: 28px 0;
    }

    .hero-content {
        padding: 20px 12px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }

    .hero-content h2 {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    .action-buttons {
        gap: 12px;
        margin-top: 24px;
        margin-bottom: 20px;
        flex-direction: column;
        align-items: stretch;
        padding: 0 20px;
    }

    /* Przyciski mobilne - znacznie mniejsze */
    .btn, .btn--primary {
        font-size: 0.85rem;
        padding: 12px 24px;
        letter-spacing: .08em;
        width: 100%;
        max-width: 100%;
    }

    .btn--outline {
        font-size: 0.85rem;
        padding: 10px 22px;
        letter-spacing: .08em;
        width: 100%;
        max-width: 100%;
    }

    section {
        margin: 24px 12px;
        padding: 28px 18px;
    }

    .section-heading {
        font-size: 1.6rem;
    }

    .section-subheading {
        font-size: 0.95rem;
    }

    .card {
        padding: 24px 16px;
        min-width: auto;
    }
}

/* Bardzo małe ekrany */
@media (max-width: 400px) {
    .logo-link img {
        height: 75px;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .btn, .btn--primary, .btn--outline {
        font-size: 0.8rem;
        padding: 10px 20px;
    }
}