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

body {
    font-family: Segoe UI, sans-serif;
    background: #050b14;
    color: #ffffff;
    line-height: 1.6;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(5,11,20,.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 8%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
}

.logo span {
    background: linear-gradient(90deg, #00d4ff, #536dff, #a64dff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-links a {
    text-decoration: none;
    color: #d6d6d6;
    transition: .3s;
}

.nav-links a:hover {
    color: #00d4ff;
}

.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    background:
        radial-gradient(circle at top, rgba(0,212,255,.18), transparent 50%),
        #050b14;
}

.hero-content {
    max-width: 900px;
}

.badge {
    color: #00d4ff;
    font-weight: 700;
    margin-bottom: 15px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-text {
    color: #b5b5b5;
    max-width: 750px;
    margin: 0 auto 20px;
    font-size: 1.15rem;
}

.service-area {
    color: #8fdfff;
    margin-bottom: 35px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.btn {
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 700;
    transition: all .25s ease;
    cursor: pointer;
    border: none;
}

.primary {
    background: #00d4ff;
    color: #000;
}

.primary:hover {
    transform: translateY(-3px);
}

.secondary {
    background: #1a2433;
    color: white;
}

.secondary:hover {
    background: #25344a;
}

.outline {
    border: 2px solid #00d4ff;
    color: #00d4ff;
    background: transparent;
}

.outline:hover {
    background: #00d4ff;
    color: black;
}

.rgb-btn {
    color: white;
    border: 1px solid rgba(255,255,255,.18);
    background: linear-gradient(90deg, #00a8cc, #536dff, #a64dff, #00a8cc);
    background-size: 300%;
    animation: rgbFlow 6s linear infinite;
    box-shadow: 0 0 10px rgba(0,212,255,.18);
}

.rgb-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 16px rgba(166,77,255,.24);
}

.section {
    width: min(1200px, 90%);
    margin: 100px auto;
}

.section-heading {
    text-align: center;
    margin-bottom: 50px;
}

.section-heading h2 {
    font-size: 2.3rem;
}

.eyebrow {
    color: #00d4ff;
    font-weight: 700;
    margin-bottom: 10px;
}

.service-grid,
.build-grid,
.why-grid {
    display: grid;
    gap: 25px;
}

.service-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.build-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.why-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card,
.build-card {
    background: #0c1625;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 18px;
    padding: 28px;
    transition: all .25s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

.card:hover {
    transform: translateY(-6px);
    border-color: #00d4ff;
}

.card h3,
.build-card h3 {
    color: #00d4ff;
    margin-bottom: 10px;
}

.build-card {
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.build-card:hover {
    transform: translateY(-5px);
    border-color: transparent;
    box-shadow: 0 0 14px rgba(0,212,255,.16);
}

.build-card:hover h3 {
    color: white;
}

.build-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 18px;
    padding: 2px;
    background: linear-gradient(
        90deg,
        #00d4ff,
        #536dff,
        #a64dff,
        #00bfa6,
        #00d4ff
    );
    background-size: 300%;
    opacity: 0;
    transition: .3s;
    z-index: -1;
    animation: rgbFlow 4s linear infinite;
}

.build-card:hover::before {
    opacity: 1;
}

.featured {
    border: 2px solid #00d4ff;
    box-shadow: 0 0 18px rgba(0,212,255,.16);
}

.dark-panel {
    background: #08111d;
    border-radius: 24px;
    padding: 60px;
}

.contact-box {
    background: #0c1625;
    border-radius: 24px;
    padding: 50px;
    border: 1px solid rgba(255,255,255,.08);
}

.contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 30px;
}

.large-btn {
    padding: 18px 38px;
    font-size: 1.05rem;
    display: inline-block;
}

.modal {
    display: none;
    position: fixed;
    z-index: 999;
    inset: 0;
    background: rgba(0,0,0,.75);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: #0c1625;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 20px;
    padding: 35px;
    width: min(500px, 100%);
    position: relative;
}

.close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: #00d4ff;
}

.modal-content form {
    display: grid;
    gap: 15px;
    margin-top: 20px;
}

.modal-content input,
.modal-content select,
.modal-content textarea {
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,.12);
    background: #050b14;
    color: white;
    font-size: 1rem;
}

.help-text {
    color: #b5b5b5;
    margin-top: 10px;
    margin-bottom: 20px;
    line-height: 1.5;
}

footer {
    text-align: center;
    padding: 40px 20px;
    color: #9f9f9f;
    border-top: 1px solid rgba(255,255,255,.08);
}

@keyframes rgbFlow {
    0% {
        background-position: 0%;
    }

    100% {
        background-position: 300%;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 75vh;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .navbar {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .dark-panel,
    .contact-box {
        padding: 30px;
    }
}
.modal-content {
    max-height: 90vh;
    overflow-y: auto;
}