:root {
    --primary-color: #00b4d8;
    --secondary-color: #48cae4;
    --accent-color: #90e0ef;
    --dark-blue: #03045e;
    --deep-blue: #023e8a;
    --medium-blue: #0077b6;
    --dark-bg: #051923;
    --darker-bg: #03111a;
    --card-bg: #062436;
    --text-color: #e0fbfc;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, var(--dark-blue) 0%, var(--dark-bg) 100%);
    --gradient-2: linear-gradient(45deg, var(--deep-blue) 0%, var(--darker-bg) 100%);
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--gradient-1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background-color: rgba(3, 4, 94, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo img {
    height: 40px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin: 0 1.5rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
    text-shadow: 0 0 8px rgba(144, 224, 239, 0.3);
}

.cta-button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--secondary-color);
}

/* Hero Section */
#hero {
    background-image: url('https://raw.githubusercontent.com/yourusername/nexwave-wireless/main/assets/hero.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content h1 {
    background: linear-gradient(120deg, var(--white) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    font-size: 4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.primary-button, .secondary-button {
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
}

.secondary-button {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.primary-button:hover {
    background-color: var(--secondary-color);
}

.secondary-button:hover {
    background-color: var(--white);
    color: var(--dark-blue);
}

/* Features Section */
#features {
    background: var(--gradient-2);
    position: relative;
    padding: 5rem 0;
}

#features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(144, 224, 239, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 30px rgba(0, 180, 216, 0.2);
    transform: translateY(-5px);
}

.feature-card i {
    position: relative;
    background: linear-gradient(120deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card i::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover i::after {
    opacity: 0.3;
}

/* Plans Section */
#plans {
    background: var(--dark-bg);
    position: relative;
    padding: 5rem 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.plan-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(144, 224, 239, 0.1);
    transition: transform 0.3s ease;
}

.plan-card.featured {
    background: linear-gradient(135deg, var(--medium-blue) 0%, var(--deep-blue) 100%);
    border: none;
    transform: scale(1.05);
}

.plan-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 30px rgba(0, 180, 216, 0.2);
}

.plan-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
}

.plan-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.plan-card ul li {
    margin-bottom: 0.5rem;
}

.plan-button {
    background: linear-gradient(90deg, var(--primary-color), var(--medium-blue));
    border: none;
    position: relative;
    z-index: 1;
    overflow: hidden;
    padding: 0.8rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.plan-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, var(--medium-blue), var(--primary-color));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.plan-button:hover::before {
    opacity: 1;
}

.featured .plan-button {
    background-color: var(--white);
    color: var(--primary-color);
}

.featured .plan-button:hover {
    background-color: var(--light-color);
}

.plan-button:hover {
    background-color: var(--secondary-color);
}

/* Footer */
footer {
    background: var(--darker-bg);
    border-top: 4px solid var(--deep-blue);
    color: var(--text-color);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-section a {
    color: var(--light-color);
    text-decoration: none;
    display: block;
    margin-bottom: 0.8rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .hero-content p {
        font-size: 1.2rem;
    }

    .cta-group {
        flex-direction: column;
    }

    .plan-card.featured {
        transform: none;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom animations */
@keyframes wave {
    0% {
        transform: translateX(0) translateY(0);
    }
    50% {
        transform: translateX(-25%) translateY(10px);
    }
    100% {
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Animated wave elements */
.animate-wave {
    animation: wave 15s linear infinite;
    animation-fill-mode: forwards;
    transform-origin: center;
}

.animate-wave[animation-delay] {
    animation-delay: var(--animation-delay);
}

/* Mobile menu styles */
@media (max-width: 768px) {
    .mobile-menu {
        display: none;
    }
    
    .mobile-menu.active {
        display: block;
    }
}

/* Additional Gradients and Effects */
h2 {
    background: linear-gradient(120deg, var(--white) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
    margin-bottom: 2rem;
}