:root {
    --primary: #0066ff;
    --secondary: #00d4ff;
    --dark: #0a0e27;
    --light: #f8f9fa;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #fafbfc;
    color: #333;
}

/* ─── Navigation ─── */
.navbar {
    background: linear-gradient(135deg, var(--dark) 0%, #1a1f3a 100%);
    padding: 1.2rem 0;
    border-bottom: 1px solid rgba(0, 102, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.8rem !important;
    font-weight: 800 !important;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: #ccc !important;
    transition: 0.3s;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--secondary) !important;
}

.btn-nav-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
    border: none !important;
    color: white !important;
    font-weight: 600 !important;
    transition: 0.3s;
}

.btn-nav-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 102, 255, 0.3);
}

/* ─── Hero Section ─── */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, #1a1f3a 50%, #2d1b4e 100%);
    color: white;
    padding: 120px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s infinite ease-in-out reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(30px);
    }
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--secondary), #00f0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    color: #bbb;
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.btn-hero-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: white;
    padding: 14px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: 0.3s;
    margin-right: 15px;
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.4);
    color: white;
}

.btn-hero-secondary {
    border: 2px solid var(--secondary);
    background: transparent;
    color: var(--secondary);
    padding: 12px 38px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: 0.3s;
}

.btn-hero-secondary:hover {
    background: var(--secondary);
    color: var(--dark);
    box-shadow: 0 15px 30px rgba(0, 212, 255, 0.3);
}

/* ─── Products Section ─── */
.products {
    padding: 100px 0;
    background: white;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 4rem;
    max-width: 600px;
}

.product-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 2.5rem;
    height: 100%;
    transition: 0.3s;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 25px 50px rgba(0, 102, 255, 0.15);
}

.product-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin-bottom: 1.5rem;
}

.product-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.product-card p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* ─── Stats Section ─── */
.stats {
    background: linear-gradient(135deg, var(--dark) 0%, #1a1f3a 100%);
    color: white;
    padding: 80px 0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: #aaa;
}

/* ─── CTA Section ─── */
.cta {
    background: linear-gradient(135deg, var(--primary) 0%, #004fc9 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ─── Footer ─── */
footer {
    background: linear-gradient(135deg, var(--dark) 0%, #0f1220 100%);
    color: #aaa;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(0, 102, 255, 0.1);
}

footer h6 {
    color: white;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

footer a {
    color: #aaa;
    text-decoration: none;
    transition: 0.3s;
}

footer a:hover {
    color: var(--secondary);
}

footer ul {
    list-style: none;
    padding: 0;
}

footer li {
    margin-bottom: 0.8rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    margin-top: 2rem;
    text-align: center;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .btn-hero-primary,
    .btn-hero-secondary {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }
}