:root {
    --gradient-start: #ffffff;
    --gradient-middle: #ee87cb;
    --gradient-end: #b060ff;
    --text-dark: #1a1a1a;
    --text-dark-75: rgba(26, 26, 26, 0.75);
    --text-light-75: rgba(255, 255, 255, 0.75);
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

.gradient-bg {
    background: linear-gradient(145deg, var(--gradient-start) 28%, var(--gradient-middle) 70%, var(--gradient-end) 100%);
    min-height: 100vh;
    position: relative;
}

.gradient-bg::before {
    content: '';
    position: absolute;
    top: -44px;
    right: -60px;
    width: 36rem;
    height: 15rem;
    background: linear-gradient(115deg, var(--gradient-start) 28%, var(--gradient-middle) 70%, var(--gradient-end) 100%);
    border-radius: 50%;
    filter: blur(3rem);
    transform: rotate(-10deg);
    z-index: -1;
}

.hero-section {
    padding-top: 120px;
    padding-bottom: 80px;
}

.hero-section h1 {
    font-size: 4rem;
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-section .lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.5;
}

.btn {
    font-weight: 500;
    border: none;
    transition: all 0.3s ease;
}

.btn-dark {
    background-color: var(--text-dark);
    color: white;
}

.btn-dark:hover {
    background-color: #333;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-outline-dark {
    border: 2px solid var(--text-dark);
    color: var(--text-dark);
    background: transparent;
}

.btn-outline-dark:hover {
    background-color: var(--text-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-middle), var(--gradient-end));
    border: none;
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--gradient-end), var(--gradient-middle));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(176, 96, 255, 0.3);
}

.card {
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--gradient-end) !important;
}

.introduction-section {
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.features-section,
.technology-section,
.cta-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.text-primary {
    color: var(--gradient-end) !important;
}

.text-success {
    color: #28a745 !important;
}

.text-light-75 {
    color: var(--text-light-75) !important;
}

.text-dark-75 {
    color: var(--text-dark-75) !important;
}

.pricing-card {
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    border-color: var(--gradient-end);
    transform: translateY(-10px);
}

.pricing-card.featured {
    border-color: var(--gradient-end);
    background: linear-gradient(135deg, rgba(238, 135, 203, 0.1), rgba(176, 96, 255, 0.1));
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--gradient-end);
    box-shadow: 0 0 0 0.2rem rgba(176, 96, 255, 0.25);
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .lead {
        font-size: 1.1rem;
    }
    
    .gradient-bg::before {
        width: 20rem;
        height: 10rem;
        right: -30px;
        top: -20px;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding-top: 100px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
}

.bg-opacity-90 {
    background-color: rgba(255, 255, 255, 0.9) !important;
}

.border-secondary {
    border-color: #6c757d !important;
}

.rounded-4 {
    border-radius: 1rem !important;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

.min-vh-100 {
    min-height: 100vh !important;
}
