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

body {
    font-family: 'Poppins', sans-serif;
    background: #05050f;
    color: #e2e2e2;
    overflow-x: hidden;
    line-height: 1.6;
}

header {
    position: sticky;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 30, 0.6);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-bottom: 1px solid #00ffcc60;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    color: #00fff2;
    font-size: clamp(1.4rem, 4vw, 1.9rem);
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 0 15px #00fff2;
}

nav a {
    color: #d6d6d6;
    margin: 0 1rem;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

nav a:hover {
    color: #00fff2;
    text-shadow: 0 0 10px #00fff2;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 2rem;
}

.profile-card {
    max-width: 1100px;
    margin: 60px auto;
    padding: clamp(20px, 4vw, 40px);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 255, 242, 0.15);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 25px rgba(0, 255, 242, 0.08);
}

.profile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(0, 255, 242, 0.15);
    flex-wrap: wrap;
}

.profile-info h1 {
    font-size: clamp(1.7rem, 4vw, 2.2rem);
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 0 12px #00fff2;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.profile-info .subtitle {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    color: #00fff2;
    text-shadow: 0 0 8px #00fff2;
}

.profile-image {
    flex-shrink: 0;
}

.profile-image img {
    width: clamp(140px, 30vw, 200px);
    height: clamp(140px, 30vw, 200px);
    border-radius: 15px;
    object-fit: cover;
    border: 2px solid rgba(0, 255, 242, 0.3);
    box-shadow: 0 0 20px rgba(0, 255, 242, 0.2);
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 6vw, 2.8rem);
    color: #00fff2;
    margin: 3rem 0 2rem;
    text-shadow: 0 0 15px #00fff2;
}

.about-content {
    background: rgba(10, 10, 28, 0.5);
    border: 1px solid #00ffcc40;
    padding: clamp(1.2rem, 3vw, 2rem);
    border-radius: 15px;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    max-width: 900px;
    margin: auto;
    font-size: clamp(1rem, 2.2vw, 1.1rem);
    color: #d0eaff;
}

.skills-grid {
    max-width: 1200px;
    margin: 2rem auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: rgba(15, 15, 35, 0.45);
    border: 1px solid #00ffcc40;
    padding: 1.7rem;
    border-radius: 12px;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    transition: 0.3s ease-in-out;
}

.skill-category h3 {
    margin-bottom: 1rem;
    color: #00fff2;
    font-size: 1.4rem;
    text-shadow: 0 0 10px #00fff2;
}

.skill-category:hover {
    transform: translateY(-7px);
    border-color: #00fff2;
    box-shadow: 0 0 20px #00fff270;
}

.projects-grid {
    max-width: 1400px;
    margin: 2rem auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.project-card {
    background: rgba(10, 10, 28, 0.55);
    border: 1px solid #00ffcc30;
    border-radius: 14px;
    overflow: hidden;
    transition: 0.3s;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: #00fff2;
    box-shadow: 0 0 20px #00fff280;
}

.project-header img {
    max-width: 70% !important;
    height: 120px !important;
    object-fit: contain !important;
    border-radius: 8px !important;
    margin: 0 auto !important;
    display: block !important;
}

.project-header {
    background: linear-gradient(135deg, #001a1a, #003333);
    padding: 1rem;
    text-align: center;
    color: #00fff2;
    font-size: 2.4rem;
    text-shadow: 0 0 12px #00fff2;
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    color: #00fff2;
    text-shadow: 0 0 10px #00fff2;
    margin-bottom: 0.8rem;
}

.project-description {
    color: #cde7ff;
    margin-bottom: 1rem;
}

.tech-tag {
    display: inline-block;
    background: #00fff215;
    border: 1px solid #00fff230;
    padding: 0.35rem 0.9rem;
    border-radius: 6px;
    color: #00fff2;
    margin: 0.25rem;
    font-size: 0.85rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
}

.social-btn {
    width: 50px;
    height: 50px;
    background: rgba(20, 30, 50, 0.8);
    border: 2px solid rgba(0, 255, 242, 0.3);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #00fff2;
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.social-btn:hover {
    background: rgba(0, 255, 242, 0.15);
    border-color: #00fff2;
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(0, 255, 242, 0.4);
}

.social-btn i {
    transition: all 0.3s ease;
}

.social-btn:hover i {
    transform: scale(1.1);
    text-shadow: 0 0 10px #00fff2;
}

.social-btn.email:hover {
    border-color: #D44638;
    color: #D44638;
    box-shadow: 0 0 20px rgba(212, 70, 56, 0.4);
}

.social-btn.whatsapp:hover {
    border-color: #25D366;
    color: #25D366;
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
}

.social-btn.linkedin:hover {
    border-color: #0A66C2;
    color: #0A66C2;
    box-shadow: 0 0 20px rgba(10, 102, 194, 0.4);
}

.social-btn.github:hover {
    border-color: #fff;
    color: #fff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}

.education-grid {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.education-card {
    background: rgba(10, 10, 28, 0.55);
    border: 1px solid #00ffcc30;
    border-radius: 14px;
    overflow: hidden;
    transition: 0.3s;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 0;
}

.education-card:hover {
    transform: translateY(-5px);
    border-color: #00fff2;
    box-shadow: 0 0 25px #00fff280;
}

.card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.card-institution {
    font-size: 1.1rem;
    color: #00fff2;
    margin-bottom: 0.8rem;
    text-shadow: 0 0 8px #00fff2;
}

.card-date {
    color: #999;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.card-status {
    display: inline-block;
    background: rgba(0, 255, 242, 0.15);
    border: 1px solid #00fff230;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    color: #00fff2;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    width: fit-content;
}

.card-status.status-completed {
    background: rgba(0, 255, 100, 0.15);
    border-color: #00ff6430;
    color: #00ff64;
}

.card-image {
    background: rgba(255, 255, 255, 0.03);
    border-left: 1px solid #00ffcc30;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    transition: 0.3s;
    max-height: 350px;
}


.card-image:hover img {
    transform: scale(1.05);
}

.certificate-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #001a1a, #003333);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00fff2;
    font-size: 1rem;
    text-align: center;
    padding: 1rem;
    border: 2px dashed #00fff230;
}

footer {
    text-align: center;
    padding: 1.5rem 0;
    background: rgba(10, 10, 30, 0.6);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-top: 1px solid #00ffcc60;
    margin-top: 3rem;
}

@media (max-width: 1200px) {
    .profile-card { margin: 50px 20px; }
    .projects-grid { grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
    .skills-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
}

@media (max-width: 992px) {
    .education-card {
        grid-template-columns: 1fr; /* mantiene diseño pero apila en móvil */
    }
    .card-image {
        border-left: none;
        border-top: 1px solid #00ffcc30;
        min-height: 250px;
    }
    .profile-header { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
    .social-links { gap: 0.8rem; }
    .social-btn { width: 45px; height: 45px; font-size: 1.3rem; }
    .profile-card { padding: 25px; margin: 30px 20px; }
    .profile-info h1 { font-size: 1.8rem; }
    .info-row { grid-template-columns: 1fr; gap: 10px; }
    .info-label { justify-content: center; }
    .info-value { justify-content: center; }
    .values-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}

@media (max-width: 568px) {
    .card-title { font-size: 1.3rem; }
    .card-institution { font-size: 1rem; }
    .card-content { padding: 1.5rem; }
    .project-header { font-size: 1.6rem; padding: 1rem; }
    .project-content { padding: 1rem; }
    .profile-image img { width: 140px; height: 140px; }
}

@media (max-width: 480px) {
    .profile-card { padding: 20px; margin: 18px; }
    .about-content { padding: 1rem; }
    .projects-grid { grid-template-columns: 1fr; gap: 1rem; }
    .skills-grid { grid-template-columns: 1fr; }
}

@media (min-width: 1600px) {
    .container, .profile-card, .projects-grid, .skills-grid { max-width: 1500px; }
    .projects-grid { grid-template-columns: repeat(4, 1fr); gap: 2rem; }
}