:root {
    --primary: #2DC1E0;
    --dark: #131316;
    --light: #FFFFFF;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--light);
    color: #222;
    line-height: 1.8;
}

h1, h2, h3, h4, h5 {
    color: var(--dark);
}

a {
    color: var(--primary);
    text-decoration: none;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER & NAVIGATION ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    z-index: 1000;
    padding: 18px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo img {
    height: 36px;
    width: auto;
    display: block;
}

/* Desktop Navigation */
.nav-menu {
    display: block;
}

.nav-menu > ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 32px;
}

.nav-menu > ul > li {
    position: relative;
}

.nav-menu a {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--dark);
    transition: color 0.2s;
}

.nav-menu a:hover {
    color: var(--primary);
}

/* Dropdown Styles — VERTICAL LIST */
.dropdown .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    list-style: none;
    margin: 12px 0 0 0;
    padding: 12px 0;
    border-radius: 12px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.12);
    min-width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
    padding: 0;
    display: block; /* Ensures vertical stacking */
}

.dropdown-menu a {
    display: block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    color: #333;
    transition: all 0.2s;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: #f0f8ff;
    color: var(--primary);
    padding-left: 30px;
}

/* Optional: rounded corners on first/last items */
.dropdown-menu li:first-child a {
    border-radius: 12px 12px 0 0;
}
.dropdown-menu li:last-child a {
    border-radius: 0 0 12px 12px;
}

/* Mobile Hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--dark);
    cursor: pointer;
}

/* ===== MOBILE MENU (max-width: 992px) ===== */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        padding: 24px 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    /* Stack nav items vertically */
    .nav-menu > ul {
        flex-direction: column;
        gap: 16px;
    }

    /* Dropdown in mobile: appear as indented vertical list */
    .dropdown-menu {
        position: static;
        box-shadow: none;
        margin: 12px 0 0 20px;
        padding: 12px 0 12px 20px;
        border-radius: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
        background: transparent;
    }

    .dropdown.active .dropdown-menu {
        max-height: 500px;
    }

    .dropdown-menu li {
        display: block;
    }

    .dropdown-menu a {
        padding: 10px 0;
        color: #555;
        font-size: 1rem;
        background: none !important;
        border-radius: 0 !important;
    }

    .dropdown-menu a:hover {
        padding-left: 0;
        background: none !important;
        color: var(--primary);
    }

    .hamburger {
        display: block;
    }
}

/* ===== ALL OTHER STYLES (UNCHANGED) ===== */
.hero {
    padding-top: 110px;
    min-height: 65vh;
}

.hero {
    background: linear-gradient(rgba(19, 21, 22, 0.68), rgba(19, 19, 22, 0.78)),
                url('https://images.unsplash.com/photo-1498050108023-c5249f4df085?q=80&w=2948&auto=format&fit=crop') center/cover no-repeat fixed;
    color: white;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 4.8rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.35rem;
    max-width: 900px;
    margin: 0 auto 2rem;
    opacity: 0.95;
}

.btn-primary {
    background: var(--primary);
    color: var(--dark);
    padding: 16px 48px;
    font-weight: 700;
    border-radius: 50px;
    font-size: 1.2rem;
    transition: all 0.3s;
    box-shadow: 0 12px 40px rgba(45, 128, 224, 0.4);
}

.btn-primary:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(45, 193, 224, 0.6);
}

.section-title {
    font-size: 3.2rem;
    text-align: center;
    margin-bottom: 25px;
    color: var(--dark);
}

/* Testimonials */
.testimonials {
    background: #f8fbff;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 40px;
}

.testimonial {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.4s;
}

.testimonial:hover {
    transform: translateY(-12px);
}

.testimonial img {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 25px;
    border: 5px solid var(--primary);
    box-shadow: 0 8px 25px rgba(45, 193, 224, 0.3);
}

.testimonial p.quote {
    font-style: italic;
    font-size: 1.15rem;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.7;
}

.testimonial p.author {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.15rem;
    margin: 0;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    max-width: 1000px;
    margin: 0 auto 70px;
    color: #555;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.service-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 18px;
    text-align: center;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.07);
    transition: all 0.4s;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-15px);
    border-color: var(--primary);
    box-shadow: 0 25px 60px rgba(45, 193, 224, 0.15);
}

.service-card i {
    font-size: 3.8rem;
    color: var(--primary);
    margin-bottom: 25px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.why-item {
    background: #fff;
    padding: 40px;
    border-radius: 18px;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.07);
    border-left: 6px solid var(--primary);
}

.faq {
    background: #f8fbff;
}

.faq-item {
    background: white;
    margin-bottom: 20px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}

.faq-question {
    background: var(--primary);
    color: var(--dark);
    padding: 22px 30px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 30px 25px;
    display: none;
    line-height: 1.8;
}

.faq-question.active + .faq-answer {
    display: block;
}

.cta {
    background: linear-gradient(135deg, var(--primary), #00a0c0);
    color: var(--dark);
    text-align: center;
}

.cta h2 {
    color: var(--dark);
    font-size: 3rem;
}

.cta .btn-primary {
    background: var(--dark);
    color: white;
}

footer {
    background: var(--dark);
    color: #aaa;
    padding: 90px 0 40px;
    text-align: center;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 3.2rem;
    }

    .section-title {
        font-size: 2.6rem;
    }

    .logo img {
        height: 32px;
    }
    .btn-primary {
    padding: 10px 20px;
    font-weight: 600;
    font-size: 17px;
}
}