body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f4f4;
    color: #333;
}
.hero {
    background: linear-gradient(135deg, #1E90FF, #104E8B);
    height: 100vh;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}
.overlay {
    background: rgba(0,0,0,0.4);
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    z-index: 2;
    position: relative;
    margin-top: 200px;
}
.hero h1 {
    color: #E6EAE1;
    font-size: 3.5rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.4);
}
.hero p {
    color: #E6EAE1;
    font-size: 1.3rem;
    margin-bottom: 40px
}
.btn {
    padding: 10px 60px;
    background: #E6EAE1;
    color: #00008B;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
}

.button-container {
    display: flex;
    justify-content: center;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

/* Responsive (mobile): vertical layout */
@media screen and (max-width: 600px) {
    .hero-content {
        z-index: 2;
        position: relative;
        margin-top: 0px;
    }
    .social-icons {
        margin-top: 0px;
    }
    .button-container {
        flex-direction: column;
        align-items: center;
        margin-top: 20px
    }

    .btn {
        margin: 5px 0; /* vertical spacing between buttons */
    }
}

.social-icons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 170px;
}

.icon {
    width: 48px;
    border-radius: 50%;
    margin: 0 10px;
}
.section {
    padding: 30px 20px;
    max-width: 1000px;
    margin: auto;
}
.about-me {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
}
.image-perfil {
    border-style: double;
    border-radius: 200px;
    width: 200px;
}
.about-text {
    padding: 30px 20px;
    margin: auto;
    text-align: justify
}
.cards {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 30px;
}
.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    flex: 1 1 10%;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 300px;
}
.btn-card {
    margin-top: auto;
    padding: 10px 60px;
    background: #E6EAE1;
    color: #00008B;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    text-align: center
}
footer {
    background: #2F4F4F;
    color: white;
    text-align: center;
    padding: 20px;
}

.hero-subpages {
    background: linear-gradient(135deg, #1E90FF, #104E8B);
    height: 37vh;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}
.overlay-subpages{
    background: rgba(0,0,0,0.4);
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content-subpages {
    z-index: 2;
    position: relative;
}

.hero-subpages h1 {
    color: #E6EAE1;
    font-size: 3.5rem;
    margin-bottom: 30px;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.4);
}

.social-icons-subpages {
    margin-top: 40px;
    align-items: bottom;
}

@media screen and (max-width: 600px) {
    .hero-subpages {
        flex-direction: column;
        height: 60vh;
    }

    .hero-content-subpages {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        margin-top: 50px;
        z-index: 2;
        width: 100%;
    }

    .hero-subpages h1 {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }

    .button-container {
        flex-direction: column;
        align-items: center;
        margin-top: 10px;
    }

    .social-icons-subpages {
        display: flex;
        justify-content: center;
        align-items: center;
        margin-top: 40px;
        gap: 20px;
    }

    .icon {
        width: 40px;
    }
}

.resume {
    width: 75%;
    height: 100%
    justify-content: center;
    margin-top: 10px;
    padding: 30px 20px;
    max-width: 1000px;
    margin: auto;
}

.resume h2 {
    text-align: center;
}