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

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    color: #e2e8f0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
}

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

/* Navigation */
nav {
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #cbd5e1;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0.25rem;
}

.nav-menu a:hover {
    color: #8b5cf6;
}

.nav-menu a.active {
    color: #8b5cf6;
}

/* Main Content */
main {
    margin-top: 80px;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* Hero Section */
.hero {
    background: url(../images/pexels-bohlemedia-1124460.jpg) no-repeat center center;
    background-size: cover;
    position: relative;
    color: white;
    padding: 6rem 0;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 50%, #10b981 100%);
    opacity: 0.8;
}

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

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    font-weight: 600;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.btn {
    display: inline-block;
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.4s ease;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary,
.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover,
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

/* Intro Section */
.intro {
    padding: 5rem 0;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
}

.intro-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.intro h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.intro p {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* Advantages Section */
.advantages {
    padding: 5rem 0;
    background: rgba(15, 15, 35, 0.8);
}

.advantages h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.advantage-card {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.1), transparent);
    transition: left 0.6s;
}

.advantage-card:hover::before {
    left: 100%;
}

.advantage-card:hover {
    transform: translateY(-10px);
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

.advantage-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.advantage-card h3 {
    margin-bottom: 1rem;
    color: #f1f5f9;
    font-size: 1.3rem;
    font-weight: 600;
}

.advantage-card p {
    color: #cbd5e1;
    font-size: 1rem;
    line-height: 1.6;
}

/* Content Sections */
.content-section {
    padding: 5rem 0;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
}

.content-section:nth-child(even) {
    background: rgba(15, 15, 35, 0.8);
}

.content-section h1 {
    font-size: 3rem;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 3rem;
    font-weight: 800;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.content-section h2 {
    font-size: 2rem;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 3rem 0 1.5rem 0;
    font-weight: 600;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.content-section h3 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 2.5rem 0 1rem 0;
    font-weight: 600;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.content-section h4 {
    font-size: 1.2rem;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 2rem 0 1rem 0;
    font-weight: 600;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.content-section p {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.content-section ul {
    max-width: 900px;
    margin: 0 auto 2rem auto;
    padding-left: 2rem;
    list-style: none;
}

.content-section li {
    color: #cbd5e1;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    line-height: 1.6;
    position: relative;
}

.content-section li::before {
    content: "▶";
    color: #8b5cf6;
    position: absolute;
    left: -1.5rem;
}

.content-section p a {
    color: #8b5cf6;
    text-decoration: none;
}

.content-section p a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    max-width: 700px;
    margin: 3rem auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    color: #f1f5f9;
    font-weight: 600;
    font-size: 1.1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(15, 15, 35, 0.6);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 12px;
    font-size: 1.1rem;
    color: #e2e8f0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94a3b8;
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-info {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    max-width: 700px;
    margin: 3rem auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.contact-info h3 {
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.contact-info p {
    margin-bottom: 1rem;
    color: #cbd5e1;
    font-size: 1.1rem;
}

/* Footer */
footer {
    background: rgba(15, 15, 35, 0.9);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    color: #cbd5e1;
    text-align: center;
    padding: 3rem 0;
}

footer a {
    color: #8b5cf6;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Mobile Navigation */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #cbd5e1;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 15, 35, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        border-top: 1px solid rgba(139, 92, 246, 0.2);
    }

    .nav-menu.active {
        display: flex;
    }

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

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .content-section h1 {
        font-size: 2.2rem;
    }

    .intro h2,
    .advantages h2 {
        font-size: 2rem;
    }
}