:root {
    --bg: #091817;
    --text: #d2e0ff;
    --accent: #45af99;
    --muted: #8c96b5;
    --font-body: 'Montserrat', sans-serif;
    --font-heading: 'Space Mono', monospace;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    border-top: 10px solid var(--accent);
}

/* --- Hero --- */
.hero {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem 1.5rem;
}

.hero-content {
    width: 100%;
    max-width: 800px;
}

.hero-greeting {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--accent);
    letter-spacing: 3px;
    margin-bottom: 1.2rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    color: var(--text);
    line-height: 1.1;
    margin-bottom: 0.8rem;
}

.hero-role {
    font-size: 1.6rem;
    color: var(--muted);
    line-height: 1.4;
}

.btn-primary {
    display: inline-block;
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    font-family: var(--font-heading);
    font-size: 1rem;
    padding: 0.9rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    transition: background var(--transition), color var(--transition);
}

.btn-primary:hover {
    background: var(--accent);
    color: var(--bg);
}

/* --- Sections --- */
.section {
    padding: 4rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
}

/* --- About --- */
.about-content p {
    color: var(--muted);
    font-size: 1rem;
    margin-bottom: 1.2rem;
}

.about-content p span {
    color: var(--accent);
    font-weight: 600;
}

/* --- Education --- */
.education-grid {
    display: grid;
    gap: 1.2rem;
}

.edu-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem;
    border: 1px solid rgba(69, 175, 153, 0.2);
    border-radius: 10px;
    transition: border-color var(--transition), transform var(--transition);
}

.edu-card:hover {
    border-color: var(--accent);
    transform: translateX(6px);
}

.edu-icon {
    font-size: 1.5rem;
    color: var(--accent);
    min-width: 2rem;
    padding-top: 0.1rem;
}

.edu-info h3 {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.2rem;
}

.edu-place {
    font-size: 0.9rem;
    color: var(--accent);
}

.edu-date {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 0.2rem;
}

/* --- Skills --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

.skill-card {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    border: 1px solid rgba(69, 175, 153, 0.2);
    border-radius: 10px;
    font-size: 0.85rem;
    color: var(--text);
    transition: border-color var(--transition), transform var(--transition);
}

.skill-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.skill-card i {
    font-size: 1.3rem;
    color: var(--accent);
    width: 1.5rem;
    text-align: center;
}

.skill-card span {
    font-weight: 500;
}

.habilidades-title {
    margin-top: 1rem;
}

.soft-skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.soft-skill {
    padding: 0.6rem 1.2rem;
    border: 1px solid rgba(69, 175, 153, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--accent);
    transition: background var(--transition), color var(--transition);
}

.soft-skill:hover {
    background: var(--accent);
    color: var(--bg);
}

/* --- Contact --- */
.contact-section {
    text-align: center;
}

.contact-section .section-title {
    display: inline-block;
}

.contact-description {
    color: var(--muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.contact-wrapper {
    display: grid;
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: grid;
    gap: 0.8rem;
    text-align: left;
}

.contact-form label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--accent);
}

.contact-form input,
.contact-form textarea {
    padding: 0.9rem;
    font-size: 1rem;
    font-family: var(--font-body);
    background: transparent;
    border: 2px solid rgba(69, 175, 153, 0.3);
    border-radius: 8px;
    color: var(--text);
    outline: none;
    transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent);
}

.contact-form .btn-primary {
    width: 100%;
    text-align: center;
    cursor: pointer;
    font-size: 1rem;
}

.contact-info {
    display: grid;
    gap: 0.8rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    justify-content: center;
}

.contact-item i {
    font-size: 1.2rem;
    color: var(--accent);
}

.contact-item a {
    color: var(--muted);
    text-decoration: none;
    font-size: 1rem;
    transition: color var(--transition);
}

.contact-item a:hover {
    color: var(--accent);
}

/* --- Footer --- */
.footer {
    padding: 2rem 1.5rem;
    text-align: center;
}

.footer-text {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--muted);
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 1rem;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    transition: background var(--transition), color var(--transition);
}

.social-link i {
    font-size: 1.2rem;
}

.social-link:hover {
    background: var(--accent);
    color: var(--bg);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--muted);
}

/* --- Responsive --- */
@media (max-width: 767px) {
    .hero-greeting {
        font-size: 1.1rem;
    }

    .hero-title {
        font-size: 2.8rem;
    }

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

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

@media (min-width: 768px) {
    .hero-greeting {
        font-size: 1.8rem;
    }

    .hero-title {
        font-size: 6rem;
    }

    .hero-role {
        font-size: 2rem;
    }

    .btn-primary {
        font-size: 1.1rem;
        padding: 1rem 2.5rem;
    }

    .section {
        padding: 5rem 4rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .about-content p {
        font-size: 1.1rem;
    }

    .education-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
        max-width: 800px;
    }

    .contact-info {
        justify-content: center;
    }
}

@media (min-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .education-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .education-grid .edu-card:last-child {
        grid-column: 1;
    }
}