:root {
    /* Color Palette */
    --bg-color: #0b0c10;
    --surface-color: #1f2833;
    --primary-color: #66fcf1;
    --primary-dark: #45a29e;
    --text-color: #c5c6c7;
    --text-light: #ffffff;
    
    /* Typography */
    --font-main: 'Poppins', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Neon Glow */
    --neon-glow: 0 0 10px rgba(102, 252, 241, 0.5), 0 0 20px rgba(102, 252, 241, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-light);
    font-weight: 700;
}

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

ul {
    list-style: none;
}

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

.section-padding {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-color);
}

.neon-text {
    color: var(--primary-color);
    text-shadow: var(--neon-glow);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 4px 15px rgba(102, 252, 241, 0.3);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: var(--neon-glow);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--bg-color);
    box-shadow: var(--neon-glow);
}

.w-100 {
    width: 100%;
}

.mt-1 {
    margin-top: 1rem;
}

/* Loading Animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(102, 252, 241, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(11, 12, 16, 0.95);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-light);
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
}

.nav-links a:hover {
    color: var(--primary-color);
    text-shadow: var(--neon-glow);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--text-light);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at center, #1f2833 0%, #0b0c10 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%2366fcf1" opacity="0.1"/></svg>') repeat;
    opacity: 0.5;
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--surface-color);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid rgba(102, 252, 241, 0.1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5), var(--neon-glow);
    border-color: var(--primary-color);
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.service-card p {
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.portfolio-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11,12,16,0.9), transparent);
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    color: var(--text-light);
    transform: translateY(20px);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay h3 {
    transform: translateY(0);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: center;
}

.pricing-card {
    background-color: var(--surface-color);
    padding: 50px 40px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(102, 252, 241, 0.1);
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: var(--neon-glow);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--bg-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.price {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin: 20px 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.price span {
    font-size: 1.5rem;
    margin-top: 10px;
}

.features {
    margin-bottom: 30px;
}

.features li {
    margin-bottom: 15px;
    color: var(--text-color);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
}

.quote {
    font-style: italic;
    margin-bottom: 20px;
}

.author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.info h4 {
    font-size: 1rem;
}

.info p {
    font-size: 0.8rem;
    color: var(--primary-dark);
}

/* Footer */
footer {
    background-color: #050608;
    padding: 80px 0 20px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info {
    max-width: 400px;
}

.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-info h3 span {
    color: var(--primary-color);
}

.footer-contact h4 {
    margin-bottom: 20px;
}

.footer-contact li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
}

/* Checkout Page */
.checkout-page {
    background-color: var(--bg-color);
}

.checkout-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 100px 20px;
}

.checkout-card {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: 15px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    border: 1px solid rgba(102, 252, 241, 0.2);
}

.checkout-card h2 {
    margin-bottom: 10px;
    text-align: center;
}

.checkout-card > p {
    text-align: center;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    background-color: rgba(0,0,0,0.2);
    color: var(--text-light);
    font-family: var(--font-main);
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(102, 252, 241, 0.3);
}

.order-summary {
    background-color: rgba(0,0,0,0.2);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
}

.total-price {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.secure-note {
    display: block;
    text-align: center;
    margin-top: 10px;
    color: var(--primary-dark);
}

.success-message {
    text-align: center;
    padding: 20px 0;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        gap: 0;
        flex-direction: column;
        background-color: rgba(11, 12, 16, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        height: calc(100vh - 70px);
        padding-top: 50px;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 20px 0;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-5px);
    }
}