*{
    box-sizing:border-box;
}

body{
    margin:0;
    min-height:100vh;
    background:#d6ebff;
    font-family:'Roboto', sans-serif;
    color:#333;
}

html{
    scroll-behavior:smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8px 20px;
    display: flex;
    gap: 20px;
    align-items: center;
}

.contact a {
    color: white;
    text-decoration: none;
}

.contact a:hover {
    text-decoration: underline;
}

.fo_sor{
    position:sticky;
    top:0;
    width:100%;
    z-index:1000;
}

.nav {
    display: flex;
    gap: 15px;
    margin-left: 40px;
}

.nav-btn{
    font-size:15px;
    border:none;
    padding:8px 12px;
    color:white;
    text-transform:uppercase;
    cursor:pointer;
    text-decoration:none;
}

.nav-btn:hover {
    text-decoration: underline;
}

.container_oldalak{
    background-color:#0e2b3f;
    max-width:100%;
    margin:0 auto;
    padding:20px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}

.logo{
    font-size:28px;
    font-weight:bold;
    margin-left:20px;
    color:white;
}

.logo span {
    color: #2bb3ff;
}

.logo_2{
    font-size:12px;
    letter-spacing:2px;
    color:white;
    margin-top:3px;
}

.gomb{
    display:flex;
    gap:15px;
    margin-right:20px;
}

.kep img {
    margin-top: 50px;
    width: 100%;
    height: auto;
    display: block;
}

.klimak_container {
    max-width: 1400px;
    margin: 80px auto 50px;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.klima_kartya {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    min-height: 300px;
    transition: .3s ease;

}

.klima_kartya:hover {
    transform: translateY(-5px);
    box-shadow:0 20px 40px rgba(0,0,0,0.25);
}

.klima_kep {
    width: 45%;
    padding: 20px;
    transition: 0.4s ease;
    z-index: 2;
}

.klima_kep img {
    width: 100%;
    height: 360px;
    object-fit: contain;
}

.klima_kep:hover {
    transform: scale(1.2);
}

.klima_info {
    width: 55%;
    padding: 20px;
}

.klima_info h2 {
    font-size: 35px;
}

.klima_info p {
    font-size: 28px;
    line-height: 1.5px;;
}

.klima_info ul {
    list-style: none;
    padding: 0;
    font-size: 20px;
}

.klima_info h2:hover {
    text-decoration: underline;
}

.marka_logo {
    max-width: 700px; 
    margin: 100px auto;
    padding: 18px 25px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    border-left: 6px;
    margin-bottom: 5px;
}

.brand-title img {
    height: 55px;
    width: auto;
    object-fit: contain;
}

.brand-title h2 {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
}

.meleget {
    max-width: 700px; 
    font-size: 2rem;
    text-align: center;
    margin: 100px auto;
    padding: 18px 25px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    border-left: 6px;
    margin-bottom: 5px;
    margin-bottom: 120px;
}

.meleget img {
    height: 110px;
    width: auto;
    object-fit: contain;
}

.web {
    text-decoration: underline;
    color: black;
}

.footer{
    background:#0e2b3f;
    color:white;
    padding:70px 20px 25px;
}

.footer-container{
    max-width:1200px;
    margin:auto;

    display:grid;
    grid-template-columns:1.3fr 1fr 1fr 1fr;

    gap:60px;
}

.footer-column{
    display:flex;
    flex-direction:column;
}

.footer-column h3{
    color:#53b8ff;
    font-size:20px;
    margin-bottom:25px;
}

.footer-column a,
.footer-column p{
    color:#d7e8f5;
    text-decoration:none;
    margin:8px 0;
    line-height:1.6;
    transition:.3s;
}

.footer-column a:hover{
    color:#53b8ff;
    padding-left:6px;
}

.footer-logo .logo{
    font-size:34px;
    font-weight:bold;
    margin-bottom:15px;
    margin-left:0;
}

.footer-logo .logo span{
    color:#2bb3ff;
}

.footer-text{
    color:#b9cad7;
    line-height:1.8;
    max-width:280px;
}

.ajanlat-footer{
    margin-top:20px;
    background:#2bb3ff;
    color:white !important;
    width:fit-content;
    padding:12px 24px;
    border-radius:6px;
    font-weight:600;
}

.ajanlat-footer:hover{
    background:#169de7;
    color:white !important;
    padding-left:24px !important;
}

.footer-bottom{
    margin-top:55px;
    padding-top:25px;
    border-top:1px solid rgba(255,255,255,.15);
    text-align:center;
    color:#9fb5c7;
    font-size:15px;
}

/* =========================================================
   TABLET
   769px - 1100px
========================================================= */

@media (max-width: 1100px) {

    /*
       Fejléc
    */

    .container_oldalak {
        padding: 15px 20px;
    }

    .logo {
        font-size: 24px;
        margin-left: 0;
    }

    .logo_2 {
        font-size: 10px;
    }

    .gomb {
        gap: 5px;
        margin-right: 0;
    }

    .nav-btn {
        font-size: 13px;
        padding: 7px 8px;
    }


    /*
       Klímák
    */

    .klimak_container {
        width: min(900px, calc(100% - 30px));
        gap: 20px;
    }

    .klima_kartya {
        min-height: 280px;
    }

    .klima_kep {
        width: 42%;
        padding: 15px;
    }

    .klima_kep img {
        height: 250px;
    }

    .klima_info {
        width: 58%;
        padding: 20px 15px;
    }

    .klima_info h2 {
        font-size: 25px;
    }

    .klima_info ul {
        font-size: 15px;
    }


    /*
       Footer
    */

    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 45px;
    }

}


/* =========================================================
   TABLET / KISEBB TABLET
   600px - 768px
========================================================= */

@media (max-width: 768px) {

    /*
       Fejléc
    */

    .container_oldalak {
        flex-direction: column;
        justify-content: center;

        padding: 15px 10px;

        gap: 10px;
    }

    .logo {
        margin: 0;
        text-align: center;

        font-size: 26px;
    }

    .logo_2 {
        text-align: center;
    }

    .gomb {
        width: 100%;

        justify-content: center;

        gap: 3px;
        margin: 0;
    }

    .nav-btn {
        font-size: 12px;
        padding: 7px 6px;
    }


    /*
       Márkalogók
    */

    .marka_logo {
        width: calc(100% - 30px);

        margin-top: 50px;

        padding: 15px;

        gap: 20px;
    }

    .marka_logo img {
        max-width: 42%;
        max-height: 60px;
    }


    /*
       Klímák
    */

    .klimak_container {
        width: calc(100% - 30px);

        grid-template-columns: 1fr;

        gap: 25px;

        margin: 35px auto 50px;
    }

    .klima_kartya {
        min-height: 0;
    }

    .klima_kep {
        width: 42%;
    }

    .klima_info {
        width: 58%;
    }


    /*
       Meleget
    */

    .meleget {
        width: calc(100% - 30px);

        margin: 70px auto 90px;

        gap: 15px;

        padding: 20px;
    }

    .meleget p {
        font-size: 20px;
    }

    .meleget img {
        width: 100px;
    }


    /*
       Footer
    */

    .footer {
        padding: 55px 20px 25px;
    }

    .footer-container {
        grid-template-columns: repeat(2, 1fr);

        gap: 40px 30px;
    }

}


/* =========================================================
   TELEFON
   480px alatt
========================================================= */

@media (max-width: 480px) {

    /*
       Fejléc
    */

    .container_oldalak {
        padding: 14px 8px;
    }

    .logo {
        font-size: 23px;
    }

    .logo_2 {
        font-size: 9px;
        letter-spacing: 1.5px;
    }

    .gomb {
        display: grid;

        grid-template-columns: repeat(2, 1fr);

        width: 100%;

        gap: 3px;
    }

    .nav-btn {
        font-size: 11px;

        padding: 8px 4px;

        text-align: center;
    }

    /*
       Az Ajánlatkérés gomb legyen teljes szélességű.
    */

    .nav-btn:nth-child(4) {
        grid-column: span 1;
    }

    .nav-btn:nth-child(5) {
        grid-column: span 1;
    }


    /*
       Márkalogók
    */

    .marka_logo {
        width: calc(100% - 24px);

        margin-top: 35px;

        padding: 12px;

        gap: 12px;

        border-left-width: 4px;
    }

    .marka_logo img {
        max-width: 43%;
        max-height: 45px;
    }


    /*
       Klímakártyák
    */

    .klimak_container {
        width: calc(100% - 24px);

        margin-top: 25px;

        gap: 20px;
    }

    .klima_kartya {
        flex-direction: column;

        width: 100%;

        border-radius: 15px;
    }

    .klima_kep {
        width: 100%;

        padding: 15px 20px 5px;

        transform: none !important;
    }

    .klima_kep img {
        width: 100%;
        height: 220px;

        object-fit: contain;
    }

    .klima_info {
        width: 100%;

        padding: 10px 20px 25px;
    }

    .klima_info h2 {
        margin-bottom: 15px;

        font-size: 24px;

        text-align: center;
    }

    .klima_info ul {
        font-size: 15px;

        line-height: 1.55;
    }

    .klima_info li {
        margin-bottom: 3px;
    }

    .klima_info li:last-child {
        margin-top: 15px;
    }


    /*
       Mobilon ne legyen kép nagyítás
    */

    .klima_kep:hover {
        transform: none;
    }


    /*
       Meleget.hu
    */

    .meleget {
        width: calc(100% - 24px);

        flex-direction: column;

        margin: 60px auto 75px;

        padding: 20px 15px;

        gap: 15px;

        border-left-width: 4px;
    }

    .meleget p {
        font-size: 18px;
        line-height: 1.5;
    }

    .meleget img {
        width: 130px;
        max-width: 60%;
    }


    /*
       Footer
    */

    .footer {
        padding: 45px 20px 20px;
    }

    .footer-container {
        grid-template-columns: 1fr;

        gap: 35px;
    }

    .footer-column {
        text-align: center;

        align-items: center;
    }

    .footer-logo .logo {
        font-size: 30px;

        text-align: center;
    }

    .footer-logo .logo_2 {
        text-align: center;
    }

    .footer-text {
        max-width: 320px;
    }

    .footer-column h3 {
        margin-bottom: 15px;
    }

    .footer-column a:hover {
        padding-left: 0;
    }

    .ajanlat-footer {
        margin-left: auto;
        margin-right: auto;
    }

    .footer-bottom {
        margin-top: 40px;

        padding-top: 20px;

        font-size: 13px;

        line-height: 1.5;
    }

}


/* =========================================================
   EXTRA KIS TELEFON
   360px alatt
========================================================= */

@media (max-width: 360px) {

    .logo {
        font-size: 21px;
    }

    .logo_2 {
        font-size: 8px;
    }

    .nav-btn {
        font-size: 10px;
        padding: 7px 3px;
    }

    .klima_kep img {
        height: 190px;
    }

    .klima_info {
        padding-left: 15px;
        padding-right: 15px;
    }

    .klima_info h2 {
        font-size: 21px;
    }

    .klima_info ul {
        font-size: 14px;
    }

    .meleget p {
        font-size: 16px;
    }

}