/* Base Styles & Variables */
:root {
    --primary-dark: #1a1a1a;
    --primary-accent: #00bfff;
    --primary-text: #ffffff;
    --primary-background: #f0f0f0;
    --secondary-background: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', 'Open Sans', sans-serif;
    background-color: var(--primary-background);
    color: var(--primary-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 15px;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: 'Montserrat', sans-serif;
}

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

.btn-primary:hover {
    background-color: #00a2d9;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 191, 255, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-accent);
    border: 2px solid var(--primary-accent);
}

.btn-secondary:hover {
    background-color: rgba(0, 191, 255, 0.1);
    transform: translateY(-3px);
}

/* Header */
header {
    background-color: var(--primary-dark);
    color: var(--primary-text);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.logo h2 {
    color: var(--primary-accent);
    font-size: 1.8rem;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--primary-text);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

nav ul li a:hover {
    color: var(--primary-accent);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-accent);
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
#hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2d2d2d 100%);
    color: var(--primary-text);
    padding: 150px 0 100px;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 191, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    z-index: 0;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

#hero .container {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-content h1 {
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.placeholder-image {
    width: 300px;
    height: 300px;
    background: rgba(0, 191, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 2px solid var(--primary-accent);
    animation: pulse 2s infinite;
}

.placeholder-image i {
    font-size: 8rem;
    color: var(--primary-accent);
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 191, 255, 0.4);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 20px rgba(0, 191, 255, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 191, 255, 0);
    }
}

/* Sections */
section {
    padding: 100px 0;
}

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

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-accent);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

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

.feature-card {
    background-color: var(--secondary-background);
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(0, 191, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background-color: var(--primary-accent);
    transform: rotate(10deg);
}

.feature-icon i {
    font-size: 2.5rem;
    color: var(--primary-accent);
}

.feature-card:hover .feature-icon i {
    color: var(--primary-dark);
}

/* How It Works Section */
#how-it-works {
    background-color: var(--secondary-background);
}

.steps-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.step {
    flex: 1;
    min-width: 250px;
    text-align: center;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 40px;
    right: -20px;
    width: 40px;
    height: 2px;
    background-color: var(--primary-accent);
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-accent);
    color: var(--primary-dark);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(0, 191, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 25px;
}

.step-icon i {
    font-size: 2rem;
    color: var(--primary-accent);
}

/* Testimonials Section */
#testimonials {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2d2d2d 100%);
    color: var(--primary-text);
}

.testimonials-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.rating {
    color: #ffd700;
    margin-bottom: 20px;
}

.performance-stats {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.performance-stats span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(0, 191, 255, 0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    margin-top: 20px;
}

.author-image {
    width: 50px;
    height: 50px;
    background-color: rgba(0, 191, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 15px;
}

.author-image i {
    font-size: 1.2rem;
    color: var(--primary-accent);
}

.author-info h4 {
    margin-bottom: 5px;
}

.author-info p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Pricing Section */
#pricing {
    background-color: var(--secondary-background);
}

.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background-color: var(--secondary-background);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border: 2px solid var(--primary-accent);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
}

.pricing-header {
    background-color: var(--primary-dark);
    color: var(--primary-text);
    text-align: center;
    padding: 30px 20px;
}

.pricing-header h3 {
    color: var(--primary-text);
    margin-bottom: 10px;
}

.price {
    margin: 20px 0;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-accent);
}

.period {
    font-size: 1rem;
    color: #aaa;
}

.pricing-features {
    padding: 30px 20px;
}

.pricing-features ul {
    list-style: none;
}

.pricing-features ul li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.pricing-features ul li:last-child {
    border-bottom: none;
}

.pricing-features ul li i {
    margin-right: 10px;
}

.pricing-features ul li i.fa-check {
    color: #28a745;
}

.pricing-features ul li i.fa-times {
    color: #dc3545;
}

.pricing-button {
    padding: 0 20px 30px;
    text-align: center;
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: var(--primary-text);
    padding: 70px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-section h3,
.footer-section h4 {
    color: var(--primary-accent);
    margin-bottom: 25px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 15px;
}

.footer-section ul li a {
    color: #aaa;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-accent);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-text);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-accent);
    transform: translateY(-5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.developer-credit {
    text-align: center;
    padding: 10px 0;
    font-size: 0.9rem;
    color: #aaa;
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    margin-left: 20px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-accent);
}

/* Watermark */
.watermark {
    position: fixed;
    bottom: 20px;
    right: 20px;
    opacity: 0.3;
    pointer-events: none;
    z-index: 9999;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-dark);
}

/* Responsive Design */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    #hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .steps-container {
        flex-direction: column;
        align-items: center;
    }
    
    .step:not(:last-child)::after {
        display: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-links a {
        margin: 0 10px 10px;
    }
}

@media (max-width: 768px) {
    nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    h1 {
        font-size: 2.3rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .testimonials-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .container {
        width: 95%;
    }
    
    section {
        padding: 70px 0;
    }
    
    #hero {
        padding: 130px 0 70px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-container {
        grid-template-columns: 1fr;
    }
}