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


html {
    scroll-behavior: smooth;
}


body {
    font-family: Arial, Helvetica, sans-serif;
    background: #0b0b0b;
    color: #ffffff;
}


.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}



/* ===== HERO ===== */


.hero {

    min-height: 850px;

    position: relative;

    display: flex;

    align-items: center;

    background-image:
    linear-gradient(
    rgba(0,0,0,0.75),
    rgba(0,0,0,0.85)
    ),
    url("images/banner.jpg");

    background-size: cover;

    background-position: center;

}


.overlay {

    position:absolute;

    inset:0;

}



nav {

    position:absolute;

    top:30px;

    left:0;

    right:0;

    width:90%;

    max-width:1200px;

    margin:auto;

    display:flex;

    justify-content:space-between;

    align-items:center;

}



.logo img {

    width:180px;

}



.phone a {

    color:white;

    text-decoration:none;

    font-size:20px;

    font-weight:bold;

}



.hero-content {

    position:relative;

    max-width:800px;

    margin-top:80px;

}



.hero-content h1 {

    font-size:55px;

    line-height:1.15;

    margin-bottom:25px;

}



.hero-content h1 span {

    color:#ffd400;

}



.hero-content p {

    font-size:22px;

    line-height:1.5;

    color:#dddddd;

}



.hero-buttons {

    margin-top:35px;

}



.btn-yellow,
.btn-green {

    display:inline-block;

    padding:16px 35px;

    border-radius:10px;

    margin-right:15px;

    text-decoration:none;

    font-size:18px;

    font-weight:bold;

}



.btn-yellow {

    background:#ffd400;

    color:#000;

}


.btn-green {

    background:#25D366;

    color:white;

}
/* ===== INFO BOX ===== */


.hero-box {

    margin-top:40px;

    padding:25px;

    background:rgba(0,0,0,0.6);

    border-left:4px solid #ffd400;

    border-radius:12px;

    font-size:18px;

    line-height:2;

}



/* ===== TITLES ===== */


h2 {

    text-align:center;

    font-size:40px;

    color:#ffd400;

    margin-bottom:20px;

}


.subtitle {

    text-align:center;

    color:#ccc;

    font-size:20px;

    margin-bottom:40px;

}



/* ===== SERVICES ===== */


.services {

    padding:80px 0;

}



.cards {

    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:25px;

}



.service-card {

    background:#161616;

    border-radius:18px;

    overflow:hidden;

    border:1px solid #333;

    transition:0.3s;

}



.service-card:hover {

    transform:translateY(-8px);

    border-color:#ffd400;

}



.service-card img {

    width:100%;

    height:220px;

    object-fit:cover;

}



.service-card h3 {

    color:#ffd400;

    font-size:24px;

    padding:20px 20px 10px;

}



.service-card p {

    padding:0 20px 25px;

    color:#ccc;

    line-height:1.5;

}



/* ===== ADVANTAGES ===== */


.advantages {

    background:#111;

    padding:80px 0;

}



.advantages-grid {

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:20px;

}



.advantages-grid div {

    background:#181818;

    padding:25px;

    border-radius:15px;

    text-align:center;

}



.advantages-grid h3 {

    color:#ffd400;

    margin-bottom:15px;

}



.advantages-grid p {

    color:#ddd;

}



/* ===== STEPS ===== */


.steps {

    padding:80px 0;

}



.step-list {

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:20px;

}



.step-list div {

    background:#161616;

    padding:25px;

    border-radius:15px;

    text-align:center;

}



.step-list span {

    display:block;

    width:45px;

    height:45px;

    line-height:45px;

    margin:0 auto 15px;

    background:#ffd400;

    color:#000;

    border-radius:50%;

    font-weight:bold;

    font-size:22px;

}
/* ===== CONTACT ===== */


.contact {

    padding:80px 0;

    text-align:center;

}



.contact-box {

    margin:40px auto;

    max-width:600px;

    background:#161616;

    padding:30px;

    border-radius:18px;

    border:1px solid #333;

}



.contact-box p {

    margin:15px 0;

    font-size:20px;

}



.contact-box a {

    color:#ffd400;

    text-decoration:none;

}



.main-button {

    display:inline-block;

    padding:18px 40px;

    background:#ffd400;

    color:#000;

    text-decoration:none;

    font-size:20px;

    font-weight:bold;

    border-radius:12px;

}



/* ===== FOOTER ===== */


footer {

    background:#000;

    padding:30px 0;

    text-align:center;

    color:#888;

}



footer p {

    margin:8px;

}



/* ===== MOBILE ===== */


@media(max-width:900px) {


.hero {

    min-height:750px;

}



.hero-content h1 {

    font-size:38px;

}



.cards {

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

}



.advantages-grid {

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

}



.step-list {

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

}


}



@media(max-width:600px) {


nav {

    flex-direction:column;

    gap:20px;

}



.logo img {

    width:150px;

}



.hero-content {

    text-align:center;

}



.hero-content h1 {

    font-size:30px;

}



.hero-content p {

    font-size:18px;

}



.btn-yellow,
.btn-green {

    display:block;

    margin:15px auto;

    width:90%;

}



.cards {

    grid-template-columns:1fr;

}



.advantages-grid {

    grid-template-columns:1fr;

}



.step-list {

    grid-template-columns:1fr;

}



h2 {

    font-size:32px;

}


}
/* ===== FINAL DESIGN UPGRADE ===== */

.hero-content {
    animation: heroAppear 0.8s ease-out;
}

@keyframes heroAppear {
    from {
        opacity: 0;
        transform: translateY(25px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ===== BUTTONS ===== */

.btn-yellow,
.btn-green,
.main-button {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-yellow:hover,
.main-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 212, 0, 0.25);
}

.btn-green:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.25);
}


/* ===== HERO INFO ===== */

.hero-box {
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 212, 0, 0.25);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
}


/* ===== SECTION HEADINGS ===== */

h2 {
    position: relative;
    padding-bottom: 18px;
}

h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: #ffd400;
    margin: 15px auto 0;
    border-radius: 10px;
}


/* ===== SERVICE CARDS ===== */

.service-card {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.service-card img {
    display: block;
    transition: transform 0.4s ease;
}

.service-card:hover img {
    transform: scale(1.04);
}


/* ===== ADVANTAGES ===== */

.advantages-grid div {
    border: 1px solid transparent;
    transition: 0.3s ease;
}

.advantages-grid div:hover {
    border-color: #ffd400;
    transform: translateY(-5px);
}


/* ===== WORK STEPS ===== */

.step-list div {
    border: 1px solid #292929;
    transition: 0.3s ease;
}

.step-list div:hover {
    border-color: #ffd400;
    transform: translateY(-5px);
}


/* ===== CONTACT ===== */

.contact {
    background:
        linear-gradient(
            rgba(0, 0, 0, 0.92),
            rgba(0, 0, 0, 0.92)
        );
}

.contact-box {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
}


/* ===== MOBILE CALL BUTTON ===== */

.mobile-call {
    display: none;
}


@media (max-width: 600px) {

    .hero {
        min-height: 780px;
    }

    .hero-content {
        margin-top: 120px;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-box {
        font-size: 16px;
        text-align: left;
    }

    .service-card {
        border-radius: 14px;
    }

    .service-card img {
        height: 210px;
    }

    .contact-box p {
        font-size: 18px;
    }

    footer {
        padding-bottom: 85px;
    }

    .mobile-call {
        display: block;
        position: fixed;
        left: 15px;
        right: 15px;
        bottom: 15px;
        z-index: 9999;

        background: #ffd400;
        color: #000;

        text-align: center;
        text-decoration: none;

        padding: 15px;
        border-radius: 12px;

        font-size: 18px;
        font-weight: bold;

        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

        }
/* ===== PREMIUM HERO ===== */

.hero {
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(
            90deg,
            rgba(0, 0, 0, 0.88) 0%,
            rgba(0, 0, 0, 0.65) 45%,
            rgba(0, 0, 0, 0.25) 100%
        );
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 820px;
}

.hero-content h1 {
    font-weight: 800;
    letter-spacing: -1px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.hero-content h1 span {
    display: block;
    color: #ffd400;
}

.hero-content p {
    max-width: 700px;
}

.hero-box {
    max-width: 520px;
}

@media (max-width: 600px) {

    .hero::after {
        background:
            linear-gradient(
                rgba(0, 0, 0, 0.72),
                rgba(0, 0, 0, 0.88)
            );
    }

    .hero-content h1 {
        letter-spacing: -0.5px;
    }

}
/* ===== PREMIUM SERVICE CARDS ===== */

.service-card {
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    background: #151515;
    border: 1px solid rgba(255, 212, 0, 0.15);
    transition: 0.3s ease;
}

.service-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: 0.4s ease;
}

.service-card h3 {
    padding: 18px 20px 20px;
    margin: 0;
    font-size: 21px;
    color: #fff;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: #ffd400;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
}

.service-card:hover img {
    transform: scale(1.06);
}

@media (max-width: 600px) {
    .service-card img {
        height: 200px;
    }

    .service-card h3 {
        font-size: 19px;
    }
}
/* ===== PREMIUM ADVANTAGES ===== */

.advantage {
    background: #151515;
    border: 1px solid rgba(255, 212, 0, 0.12);
    border-radius: 18px;
    padding: 28px 20px;
    text-align: center;
    transition: 0.3s ease;
}

.advantage:hover {
    transform: translateY(-6px);
    border-color: #ffd400;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.advantage h3 {
    color: #ffd400;
    margin-bottom: 10px;
    font-size: 20px;
}

.advantage p {
    color: #ccc;
    line-height: 1.6;
}
/* ===== PREMIUM STEPS ===== */

.step {
    background: #151515;
    border: 1px solid rgba(255, 212, 0, 0.12);
    border-radius: 18px;
    padding: 28px 20px;
    text-align: center;
    position: relative;
    transition: 0.3s ease;
}

.step:hover {
    transform: translateY(-6px);
    border-color: #ffd400;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.step h3 {
    color: #ffd400;
    margin-bottom: 10px;
}

.step p {
    color: #ccc;
    line-height: 1.6;
}
/* ===== PREMIUM CONTACTS ===== */

.contacts {
    background: #111;
    border-top: 1px solid rgba(255, 212, 0, 0.15);
    border-bottom: 1px solid rgba(255, 212, 0, 0.15);
}

.contacts a {
    color: #ffd400;
    font-weight: 700;
    text-decoration: none;
}

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

.contacts .btn-yellow {
    display: inline-block;
    margin-top: 20px;
    padding: 16px 32px;
    font-size: 18px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(255, 212, 0, 0.2);
    transition: 0.3s ease;
}

.contacts .btn-yellow:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(255, 212, 0, 0.35);
}
/* ===== PREMIUM NAVIGATION ===== */

nav {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 212, 0, 0.15);
}

nav a {
    transition: 0.3s ease;
}

nav a:hover {
    color: #ffd400;
}

.nav-phone {
    font-weight: 700;
    color: #fff;
}
/* ===== PREMIUM MOBILE ===== */

@media (max-width: 600px) {

    .container {
        width: 92%;
    }

    .hero {
        min-height: 680px;
    }

    .hero-content h1 {
        font-size: 34px;
        line-height: 1.15;
    }

    .hero-content p {
        font-size: 16px;
        line-height: 1.6;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .hero-buttons a {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }

    .services-grid,
    .advantages-grid,
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .service-card img {
        height: 210px;
    }

    section {
        padding: 55px 0;
    }

    .section-title {
        font-size: 30px;
    }

    body {
        padding-bottom: 80px;
    }
}