@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Space+Mono:wght@400;700&display=swap');

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #050505;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 30px 20px;
    overflow-x: hidden;
}

/* HEADER */
.landing-header {
    text-align: center;
    padding: 10px 0 20px 0;
}

.main-logo {
    max-height: 55px;
    width: auto;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.08));
}

.tagline {
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    color: #666666;
    text-transform: uppercase;
    letter-spacing: 2.5px;
}

/* CONTAINER */
.expertise-container {
    display: flex;
    gap: 18px;
    max-width: 980px;
    width: 100%;
    margin: 0 auto;
    flex: 1;
    align-items: center;
    justify-content: center;
}

/* CARDS BASE */
.expertise-card {
    flex: 1;
    position: relative;
    background: #0f0f0f;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 12px;
    padding: 24px 22px;
    min-height: 280px;
    max-height: 320px;
    text-decoration: none;
    color: #ffffff;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* GLOW EFFECTS */
.glow-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
    pointer-events: none;
}

.sound .glow-effect {
    background: radial-gradient(circle at 50% 0%, rgba(255, 120, 0, 0.15) 0%, transparent 70%);
}

.dop .glow-effect {
    background: radial-gradient(circle at 50% 0%, rgba(0, 150, 255, 0.15) 0%, transparent 70%);
}

.dev .glow-effect {
    background: radial-gradient(circle at 50% 0%, rgba(0, 255, 150, 0.15) 0%, transparent 70%);
}

/* CARD TOP */
.card-top {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-num {
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    color: #444444;
    transition: color 0.4s ease;
}

.icon-box {
    font-size: 1.3rem;
    color: #666666;
    transition: all 0.4s ease;
}

/* CARD BOTTOM */
.card-bottom {
    position: relative;
    z-index: 2;
}

.expertise-card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
    transition: transform 0.4s ease;
}

.expertise-card p {
    font-size: 0.82rem;
    color: #888888;
    line-height: 1.5;
    margin-bottom: 18px;
    transition: color 0.4s ease;
}

/* ACTION BUTTON INSIDE CARD */
.card-action {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #777777;
    transition: all 0.4s ease;
}

.card-action i {
    font-size: 0.8rem;
    transition: transform 0.4s ease;
}

/* INTERACTIVE HOVER STATES */
.expertise-card:hover {
    flex: 1.12;
    border-color: rgba(255, 255, 255, 0.22);
    background: #131313;
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

.expertise-card:hover .glow-effect {
    opacity: 1;
}

.expertise-card:hover .card-num {
    color: #ffffff;
}

.expertise-card:hover .icon-box {
    color: #ffffff;
    transform: scale(1.1) rotate(-4deg);
}

.expertise-card:hover p {
    color: #cccccc;
}

.expertise-card:hover .card-action {
    color: #ffffff;
}

.expertise-card:hover .card-action i {
    transform: translateX(5px);
}

/* FOOTER STYLING */
.landing-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding-top: 25px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: #666666;
    text-decoration: none;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

.copyright {
    color: #333333;
    font-size: 0.75rem;
}

/* MOBIL NÉZET */
@media (max-width: 850px) {
    .expertise-container {
        flex-direction: column;
        max-width: 400px;
    }

    .expertise-card {
        width: 100%;
        min-height: auto;
        max-height: none;
    }

    .expertise-card:hover {
        flex: 1;
        transform: translateY(-2px);
    }
}