body {
    margin: 0;
    padding: 0;
    font-family: "Vazirmatn", sans-serif;
    background: #0D0F17;
    color: #fff;
    overflow-x: hidden;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background: rgba(20, 22, 34, 0.7);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: sticky;
    top: 0;
    z-index: 999;
}

.logo {
    font-size: 26px;
    font-weight: 800;
    color: #09e0ff;
    text-shadow: 0 0 10px #09e0ff;
}

/* Nav */
.nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav a {
    text-decoration: none;
    color: #b9bed3;
    transition: 0.2s;
    font-size: 15px;
}

.nav a:hover {
    color: #fff;
}

/* Mobile Menu Button */
.menu-btn {
    display: none;
    font-size: 30px;
    color: #21f0ff;
    cursor: pointer;
}

/* Hero */
.hero {
    height: 65vh;
    background: url("https://images.unsplash.com/photo-1607799279861-4dd421887fb3?auto=format&fit=crop&w=1500&q=80") center/cover;
    display: flex;
    align-items: center;
    justify-content: right;
    padding-right: 80px;
    position: relative;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.55);
}

.hero-content {
    position: relative;
    max-width: 450px;
}

.hero-content h1 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 15px;
    color: #21f0ff;
    text-shadow: 0 0 15px #0df;
}

.hero-content p {
    font-size: 18px;
    color: #cdd7f2;
    line-height: 1.9;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 28px;
    background: #21f0ff;
    color: #000;
    font-weight: 700;
    border-radius: 8px;
    text-decoration: none;
    transition: 0.25s;
}

.btn:hover {
    background: #19bad1;
}

/* About */
.about {
    padding: 60px 40px;
    background: #10121c;
}

.about h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #17defc;
}

.about p {
    line-height: 2.1;
    font-size: 17px;
    margin-bottom: 18px;
}

/* Services */
.services {
    padding: 50px 40px;
}

.services h2 {
    font-size: 28px;
    color: #19eaff;
    margin-bottom: 30px;
}

.service-list {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.service-card {
    flex: 1;
    min-width: 260px;
    background: #141726;
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: 0.3s;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: #19eaff;
    box-shadow: 0 0 15px rgba(25,234,255,0.2);
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #23edff;
}

.service-card p {
    color: #b9c4d8;
    line-height: 1.8;
}

/* Footer */
.footer {
    padding: 20px;
    text-align: center;
    background: #0d0f17;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: #b6bbce;
    font-size: 14px;
}

/* -------------------------------------------- */
/* RESPONSIVE BREAKPOINTS */
/* -------------------------------------------- */

/* Tablet */
@media (max-width: 992px) {

    .header {
        padding: 15px 20px;
        justify-content: center;
    }

    .nav {
        gap: 15px;
    }

    .hero {
        padding-right: 40px;
        height: 60vh;
    }

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

/* Mobile */
@media (max-width: 768px) {

    /* Convert nav to mobile menu */
    .nav {
        display: none;
        position: absolute;
        top: 70px;
        right: 0;
        background: #111421;
        width: 100%;
        flex-direction: column;
        text-align: right;
        padding: 15px 0;
        border-top: 1px solid rgba(255,255,255,0.05);
    }

    .nav a {
        padding: 12px 20px;
        font-size: 16px;
    }

    .menu-btn {
        display: block;
    }

    /* Hero */
    .hero {
        justify-content: center;
        padding: 0;
        text-align: center;
    }

    .hero-content {
        max-width: 90%;
    }

    .hero-content h1 {
        font-size: 28px;
    }

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

    /* About */
    .about {
        padding: 40px 20px;
    }

    /* Services */
    .services {
        padding: 40px 20px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {

    .logo {
        font-size: 22px;
    }

    .hero-content h1 {
        font-size: 24px;
    }

    .btn {
        text-align: center;
    }
}