@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
    --bg-primary: #f0f4f8;
    --bg-secondary: #e2e8f0;
    --blue-primary: #3b82f6;
    --blue-secondary: #1d4ed8;
    --blue-light: #dbeafe;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --white: #ffffff;
    --shadow-light: rgba(255, 255, 255, 0.9);
    --shadow-dark: rgba(0, 0, 0, 0.1);
    --shadow-blue: rgba(59, 130, 246, 0.15);
}

html {
    scroll-behavior: smooth;
}

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

/* Neumorphic Base Styles */
.neuro-card {
    background: var(--bg-primary);
    border-radius: 20px;
    box-shadow:
        8px 8px 16px var(--shadow-dark),
        -8px -8px 16px var(--shadow-light);
    transition: all 0.3s ease;
}

.neuro-card:hover {
    box-shadow:
        12px 12px 24px var(--shadow-dark),
        -12px -12px 24px var(--shadow-light);
    transform: translateY(-2px);
}

.neuro-inset {
    background: var(--bg-primary);
    border-radius: 15px;
    box-shadow:
        inset 6px 6px 12px var(--shadow-dark),
        inset -6px -6px 12px var(--shadow-light);
}

.neuro-button {
    background: var(--bg-primary);
    border: none;
    border-radius: 15px;
    padding: 12px 24px;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow:
        6px 6px 12px var(--shadow-dark),
        -6px -6px 12px var(--shadow-light);
}

.neuro-button:hover {
    box-shadow:
        inset 6px 6px 12px var(--shadow-dark),
        inset -6px -6px 12px var(--shadow-light);
}

.neuro-button.primary {
    background: linear-gradient(135deg, var(--blue-primary), var(--blue-secondary));
    color: white;
    box-shadow:
        6px 6px 12px var(--shadow-blue),
        -6px -6px 12px var(--shadow-light);
}

.neuro-button.primary:hover {
    box-shadow:
        inset 6px 6px 12px rgba(0, 0, 0, 0.2),
        inset -6px -6px 12px rgba(255, 255, 255, 0.1);
}

/* Gradient Button Animations */
.gradient-button-blue {
    position: relative;
    background: linear-gradient(145deg, #3b82f6, #1d4ed8) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3) !important;
    overflow: hidden;
}

.gradient-button-blue::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.6), rgba(255, 255, 255, 0.3), rgba(29, 78, 216, 0.4), rgba(255, 255, 255, 0.0));
    border-radius: 9999px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gradient-button-blue:hover::before {
    opacity: 1;
    animation: gradient-rotate 3s linear infinite;
}

.gradient-button-white {
    position: relative;
    background: linear-gradient(145deg, rgba(255, 255, 255, 1.0), rgba(255, 255, 255, 0.9)) !important;
    color: #3b82f6 !important;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.15) !important;
    overflow: hidden;
}

.gradient-button-white::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.5), rgba(255, 255, 255, 0.7), rgba(29, 78, 216, 0.3), rgba(255, 255, 255, 0.0));
    border-radius: 9999px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gradient-button-white:hover::before {
    opacity: 1;
    animation: gradient-rotate 3s linear infinite;
}

@keyframes gradient-rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Section Styles */
.section {
    padding: 80px 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}