/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00d4ff;
    --secondary-color: #00ff88;
    --dark-bg: #0f2027;
    --dark-secondary: #203a43;
    --dark-tertiary: #2c5364;
    --text-white: #ffffff;
    --text-gray: rgba(255, 255, 255, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --transition: all 0.4s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-secondary) 50%, var(--dark-tertiary) 100%);
    min-height: 100vh;
    color: var(--text-white);
    overflow-x: hidden;
    line-height: 1.6;
}

.main-content {
    position: relative;
    z-index: 1;
}

/* ===== Animated Background Particles ===== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 15s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 0;
    background: rgba(15, 32, 39, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: var(--transition);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

.nav-links a:not(.btn-nav):hover::after,
.nav-links a:not(.btn-nav).active::after {
    width: 100%;
}

.nav-links a:not(.btn-nav):hover,
.nav-links a:not(.btn-nav).active {
    color: var(--primary-color);
}

.btn-nav {
    padding: 10px 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg) !important;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

.btn-nav:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.btn-nav::after {
    display: none;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-white);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
}

.hero-content {
    max-width: 1000px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: shine 3s linear infinite;
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

.hero h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 2rem;
    color: #b0e0e6;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--text-gray);
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Buttons ===== */
.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 18px 45px;
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 212, 255, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-5px);
}

/* ===== Sections ===== */
.features-section,
.stats-section,
.pricing-section,
.contact-section,
.how-section {
    padding: 6rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-bottom: 4rem;
}

/* ===== Feature Cards ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    animation: bounce 2s infinite;
}

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

.feature-card:hover .feature-icon {
    animation: none;
    transform: scale(1.2);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-desc {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-gray);
}

/* ===== Stats Section ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    padding: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-gray);
}

/* ===== Pricing Cards ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
    position: relative;
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.3);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-5px);
}

.pricing-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.pricing-price span {
    font-size: 1.2rem;
    color: var(--text-gray);
}

.pricing-period {
    color: var(--text-gray);
    margin-bottom: 2rem;
    display: block;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-gray);
}

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

.pricing-features li i {
    color: var(--secondary-color);
    margin-right: 10px;
}

/* ===== Contact Form ===== */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-white);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ===== How It Works Steps ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.step-card {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.step-desc {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
    background: rgba(15, 32, 39, 0.9);
    border-top: 1px solid var(--border-color);
    padding: 4rem 5% 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

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

.footer-title {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-desc {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: var(--transition);
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    transform: translateY(-5px);
}

.footer-heading {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.footer-contact i {
    color: var(--primary-color);
    margin-top: 3px;
}

.footer-contact a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-credit {
    color: rgba(255, 255, 255, 0.5);
}

.footer-credit i {
    color: #ff4757;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3rem; }
    .hero h2 { font-size: 1.5rem; }
    .section-title { font-size: 2.5rem; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 32, 39, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 1.5rem;
        border-top: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 6rem 1.5rem 3rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 1.3rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .features-grid,
    .pricing-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .contact-container {
        padding: 2rem 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .pricing-price {
        font-size: 2.5rem;
    }
}