* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: #f8fafc;
    color: #1e293b;
}

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

header {
    background: linear-gradient(rgba(255,255,255,0.85), rgba(255,255,255,0.85)),
                url('https://images.unsplash.com/photo-1501706362039-c6e8096f5b15?auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    padding: 140px 0;
    text-align: center;
}

header h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #0f172a;
}

header p {
    font-size: 18px;
    max-width: 700px;
    margin: auto;
    color: #334155;
}

.cta-btn {
    margin-top: 30px;
    padding: 14px 35px;
    background: #2563eb;
    color: white;
    border: none;
    font-size: 16px;
    cursor: pointer;
    border-radius: 6px;
    transition: 0.3s;
}

.cta-btn:hover {
    background: #1d4ed8;
}

.services {
    padding: 80px 0;
    text-align: center;
}

.services h2 {
    font-size: 32px;
    margin-bottom: 40px;
}

.service-list {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.card {
    background: white;
    padding: 40px 20px;
    width: 23%;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.06);
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-8px);
}

.contacts {
    background: #e2e8f0;
    padding: 70px 0;
    text-align: center;
}

.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: -2;
}

.overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0); /* можеш зробити темніше */
    z-index: -1;
}

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

.top-bar {
    position: absolute;
    top: 20px;
    left: 40px;
    z-index: 3;
}

.logo {
    width: 250px;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}


.hero-title {
    font-size: 72px;
    font-weight: 900;
    letter-spacing: 2px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;  
    transform: translateX(-50%);
    text-align: center;
    color: rgb(0, 0, 0);
    font-size: 17px;
    letter-spacing: 2px;
    cursor: pointer;
}

.scroll-indicator:hover {
    opacity: 0.7;
}

.mouse {
    width: 22px;
    height: 35px;
    border: 2px solid rgb(101, 101, 101);
    border-radius: 12px;
    margin: 8px auto 0;
    position: relative;
}

.mouse::after {
    content: "";
    width: 4px;
    height: 6px;
    background: rgb(0, 0, 0);
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    animation: scrollAnim 1.5s infinite;
}

@keyframes scrollAnim {
    0% { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 18px; }
}

html {
    scroll-behavior: smooth;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.active {
    display: flex;
}

.modal-content {
    position: relative;
    background: white;
    padding: 40px;
    width: 400px;
    border-radius: 14px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.25);
    animation: modalFade 0.3s ease;
    text-align: center;
}

@keyframes modalFade {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content h2 {
    margin-bottom: 20px;
    font-size: 24px;
    color: #1e293b;
}

/* Інпути */
.modal-content input {
    width: 100%;
    padding: 14px 16px;
    margin: 10px 0;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 15px;
    transition: 0.2s;
}

.modal-content input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

/* Кнопка */
#sendBtn {
    width: 100%;
    padding: 14px;
    margin-top: 15px;
    border: none;
    border-radius: 8px;
    background: #1e3a8a;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

#sendBtn:hover {
    background: #1d4ed8;
}

/* Хрестик */
.close-btn {
    position: absolute;
    top: 15px;
    right: 18px;
    font-size: 22px;
    cursor: pointer;
    color: #64748b;
}

.close-btn:hover {
    color: #1e293b;
}

.top-bar {
    position: absolute;
    top: 20px;
    left: 40px;
    right: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 3;
}

.header-btn {
    padding: 10px 20px;
    background: #1e3a8a;
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    cursor: pointer;
    transition: 0.3s;
}

.header-btn:hover {
    background: #1d4ed8;
}

@media (max-width: 1024px) {

    .hero-title {
        font-size: 48px;
    }

    .service-list {
        flex-wrap: wrap;
    }

    .card {
        width: 45%;
    }
}

@media (max-width: 768px) {
        .about-features {
        grid-template-columns: 1fr;
    }

    .about p {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 36px;
        line-height: 1.2;
    }

    .hero-content p {
        font-size: 16px;
        padding: 0 20px;
    }

    .top-bar {
        left: 20px;
        right: 20px;
    }

    .logo {
        width: 180px;
    }

    .header-btn {
        padding: 8px 14px;
        font-size: 13px;
    }

    .service-list {
        flex-direction: column;
        align-items: center;
    }

    .card {
        width: 90%;
    }

    .modal-content {
        width: 90%;
        padding: 25px;
    }
}

@media (max-height: 500px) {
    .hero {
        height: auto;
        padding: 80px 0;
    }
}

.about {
    padding: 100px 0;
    background: #f8fafc;
}

.about h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 30px;
}

.about-intro {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
    text-align: center;
}

.about p {
    max-width: 800px;
    margin: 0 auto 20px auto;
    text-align: center;
    line-height: 1.6;
    color: #475569;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    max-width: 700px;
    margin: 30px auto;
}

.about-features div {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.about-services {
    max-width: 700px;
    margin: 20px auto;
    padding-left: 20px;
}

.about-services li {
    margin-bottom: 10px;
}