:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    padding-top: 80px;
}

.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
}

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,208C1248,224,1344,192,1392,176L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center bottom;
}

.section-title {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 30px;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--secondary);
}

.feature-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    border: none;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.how-it-works {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.step-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    position: relative;
    height: 100%;
}

.step-number {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: var(--secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.api-section {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    color: white;
    padding: 80px 0;
}

.api-card {
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.api-method {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 5px;
    font-weight: bold;
    font-size: 0.9rem;
    margin-right: 10px;
}

.competencies-section {
    background: linear-gradient(135deg, #3a7bd5 0%, #00d2ff 100%);
    color: white;
    padding: 80px 0;
}

.competency-card {
    background: rgba(255,255,255,0.12);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.competency-card:hover {
    transform: translateY(-8px);
    background: rgba(255,255,255,0.18);
}

.method-get { background: #10b981; }
.method-post { background: #f59e0b; }
.method-put { background: #3b82f6; }
.method-delete { background: #ef4444; }

.testimonials .card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.testimonial-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 3px solid var(--secondary);
}

.cta-section {
    background: linear-gradient(135deg, var(--secondary) 0%, #1e6db6 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 30px;
}

.footer h5 {
    color: white;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer h5::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--secondary);
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    color: white;
    margin-right: 10px;
    transition: all 0.3s ease;
}

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

.copyright {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    margin-top: 40px;
    text-align: center;
}

.skill-badge {
    display: inline-block;
    background: rgba(52, 152, 219, 0.15);
    color: var(--dark);
    padding: 8px 20px;
    border-radius: 30px;
    margin: 8px 5px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-weight: 500;
    border: 1px solid rgba(52, 152, 219, 0.2);
}

.skill-badge:hover {
    background: var(--secondary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.2);
}

.stats-card {
    text-align: center;
    padding: 35px 25px;
    border-radius: 12px;
    background: white;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.stats-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
}

.stats-number {
    font-size: 2.8rem;
    font-weight: bold;
    color: var(--secondary);
    margin-bottom: 10px;
    line-height: 1;
}

.competency-visual {
    position: relative;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.radar-chart {
    width: 200px;
    height: 200px;
    position: relative;
}

.radar-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(52, 152, 219, 0.2);
    border-radius: 50%;
}

.radar-layer:nth-child(1) { transform: scale(0.2); }
.radar-layer:nth-child(2) { transform: scale(0.4); }
.radar-layer:nth-child(3) { transform: scale(0.6); }
.radar-layer:nth-child(4) { transform: scale(0.8); }
.radar-layer:nth-child(5) { transform: scale(1); }

.radar-point {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--secondary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.5);
}

.radar-label {
    position: absolute;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--dark);
}

.progress-container {
    background: rgba(236, 240, 241, 0.5);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
}

.btn-primary {
    background: var(--secondary);
    border: none;
    padding: 12px 28px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-3px);
    box-shadow: 0 7px 15px rgba(52, 152, 219, 0.3);
}

.btn-outline-light {
    border-radius: 50px;
    padding: 12px 28px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 15px rgba(255, 255, 255, 0.2);
}

.competency-level {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.level-bar {
    flex-grow: 1;
    height: 10px;
    background: rgba(236, 240, 241, 0.7);
    border-radius: 5px;
    margin: 0 15px;
    overflow: hidden;
}

.level-fill {
    height: 100%;
    background: var(--secondary);
    border-radius: 5px;
}

.level-label {
    min-width: 100px;
    font-weight: 500;
}

.animated {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

@media (max-width: 768px) {
    .hero {
        padding: 100px 0 70px;
        clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
    }

    .section-title {
        margin-bottom: 30px;
    }

    .competencies-section, .cta-section {
        clip-path: none;
        margin: 50px 0;
    }
}
