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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #030406;
    color: #fff;
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(10 10 10 / 14%);
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
}

nav {
    display: flex;
    align-items: center;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 30px;
    font-size: 16px;
    transition: color 0.3s;
}

nav a:hover {
    color: #f39c12;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 4px 0;
    transition: all 0.3s;
    border-radius: 3px;
}

.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);
}

.nav-menu {
    display: flex;
    align-items: center;
}

#hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 50px;
    overflow: hidden;
}

#particles-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: 800px;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 1;
    object-fit: cover;
}

#hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 80px;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 20px;
    color: #bbb;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-contact {
    display: inline-block;
    padding: 15px 40px;
    border: 2px solid #fff;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s;
}

.btn-contact:hover {
    background: #f2cc8f;
    color: #0a0a0a;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    background: #25D366;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s;
    border: 2px solid #25D366;
}

.btn-whatsapp:hover {
    background: #128C7E;
    border-color: #128C7E;
}

section {
    padding: 40px 50px;
    position: relative;
}

.section-title {
    font-size: 48px;
    margin-bottom: 50px;
    font-weight: 300;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.contact-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s;
}

.contact-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.contact-card h3 {
    color: #f2cc8f;
    margin-bottom: 10px;
    font-size: 18px;
}

.contact-card a {
    color: #fff;
    text-decoration: none;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-chart {
    height: 300px;
    background: rgba(0, 0, 0, 0.3);
}

.project-info {
    padding: 30px;
}

.project-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.project-info p {
    color: #bbb;
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(243, 156, 18, 0.1);
    border: 1px solid #f2cc8f;
    color: #f2cc8f;
    text-decoration: none;
    border-radius: 5px;
    font-size: 14px;
    transition: all 0.3s;
}

.project-link:hover {
    background: #f2cc8f;
    color: #0a0a0a;
    transform: translateY(-2px);
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    overflow: auto;
}

.modal-content {
    position: relative;
    margin: 50px auto;
    width: 90%;
    max-width: 1200px;
    background: #1a1a1a;
    border-radius: 10px;
    padding: 40px;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
    transition: color 0.3s;
}

.close-modal:hover {
    color: #f39c12;
}

.modal h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.modal p {
    color: #bbb;
    line-height: 1.8;
    margin-bottom: 30px;
}

.modal-chart {
    height: 500px;
    margin: 30px 0;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
}

.skills-section {
    background: rgba(255, 255, 255, 0.03);
}

#chart4 {
    width: 100%;
    height: 500px;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        width: 100%;
        text-align: center;
        transition: left 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu a {
        margin: 15px 0;
        font-size: 18px;
    }

    .hero-content h1 {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 16px;
        line-height: 1.4;
    }

    .hero-content {
        padding: 0 20px;
    }

    .btn-contact,
    .btn-whatsapp {
        padding: 12px 30px;
        font-size: 14px;
    }

    .hero-buttons {
        gap: 10px;
    }

    header {
        padding: 20px;
    }

    section {
        padding: 60px 20px;
    }

    #chart4 {
        height: 400px;
    }

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

    .modal-content {
        padding: 20px;
        margin: 20px;
    }

    .modal h2 {
        font-size: 24px;
    }

    .modal-chart {
        height: 300px;
    }
}

@media (max-width: 430px) {
    .hero-content h1 {
        font-size: 36px;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    #hero {
        padding: 0 20px;
    }

    .btn-contact,
    .btn-whatsapp {
        padding: 10px 25px;
        font-size: 13px;
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}