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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #2d5a27 0%, #4a7c59 100%);
    min-height: 100vh;
    padding: 20px;
}

.device-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.9);
    padding: 8px 12px;
    border-radius: 20px;
    font-weight: bold;
    color: #2d5a27;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    backdrop-filter: blur(10px);
    font-size: 0.8em;
}

ul {
    padding-left: 20px;
}

.icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin-right: 5px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    overflow: hidden;
    animation: slideIn 0.8s ease-out;
}

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

.header {
    background: linear-gradient(135deg, #1b4332, #2d5a27);
    color: white;
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.photo-container {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    border-radius: 50%;
    border: 5px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.1);
    overflow: hidden;
}

.photo-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.name {
    font-size: 2.5em;
    font-weight: 400;
    margin-bottom: 10px;
    z-index: 1;
}

.title {
    font-size: 1.65em;
    opacity: 0.9;
    margin-bottom: 20px;
    z-index: 1;
    position: relative;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    z-index: 1;
    position: relative;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px;
}

.section {
    margin-bottom: 30px;
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

.section:nth-child(1) { animation-delay: 0.2s; }
.section:nth-child(2) { animation-delay: 0.4s; }
.section:nth-child(3) { animation-delay: 0.6s; }
.section:nth-child(4) { animation-delay: 0.8s; }

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.section h2 {
    color: #1b4332;
    font-size: 1.5em;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #52b788;
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 3px;
    background: #2d5a27;
    transition: width 0.3s ease;
}

.section:hover h2::after {
    width: 100%;
}

.experience-item, .education-item, .certification-item, .repository-item, .contract-item {
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #52b788;
    transition: all 0.3s ease;
    cursor: pointer;
}

.experience-item:hover, .education-item:hover, .certification-item:hover, .repository-item:hover, .contract-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-left-color: #2d5a27;
}

.job-title {
    font-weight: bold;
    color: #1b4332;
    font-size: 1.1em;
}

.cert-link {
    color: #1b4332;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    position: relative;
    transition: all 0.3s ease;
}

.cert-link:hover {
    color: #52b788;
    text-decoration: underline;
}

.cert-link::after {
    content: '🔗';
    font-size: 0.8em;
    opacity: 0.5;
    margin-left: 5px;
}

.cert-link:hover::after {
    opacity: 1;
}

.company {
    color: #7f8c8d;
    font-style: italic;
}

.date {
    color: #95a5a6;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.skill-category h3 {
    color: #2d5a27;
    margin-bottom: 10px;
}

.skill-item {
    background: #ecf0f1;
    padding: 8px 12px;
    border-radius: 20px;
    display: inline-block;
    margin: 4px;
    font-size: 0.9em;
    transition: all 0.3s ease;
}

.more-proyects {
    background: #ecf0f1;
    padding: 8px 10px;
    border-radius: 20px;
    display: inline-block;
    margin: 5px;
    font-size: 0.9em;
    transition: all 0.3s ease;
    text-decoration: none;
    color: #333;
}

.skill-item:hover {
    background: #52b788;
    color: white;
    transform: scale(1.05);
}

.more-proyects:hover {
    background: #52b788;
    color: white;
    transform: scale(1.05);
}

.profile-text {
    text-align: justify;
    line-height: 1.8;
    color: #555;
}

.additional-info {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.print-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #52b788;
    color: white;
    text-decoration: none;
    border: none;
    padding: 15px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(82, 183, 136, 0.3);
    transition: all 0.3s ease;
    z-index: 999;
}

.print-btn:hover {
    background: #2d5a27;
    transform: scale(1.1);
}

.experience-list {
    margin-left: 20px;
}

.experience-list li {
    text-align: justify;
}

/* RESPONSIVE DESIGN - TABLET */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        margin: 15px;
        border-radius: 15px;
    }
    
    .main-content {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px;
    }
    
    .header {
        padding: 30px 20px;
    }
    
    .name {
        font-size: 2.2em;
    }
    
    .photo-container {
        width: 130px;
        height: 130px;
    }
    
    .contact-info {
        gap: 20px;
    }
    
    .contact-item {
        font-size: 0.95em;
    }
    
    .section h2 {
        font-size: 1.4em;
    }
    
    .experience-item, .education-item, .certification-item, 
    .repository-item, .contract-item {
        padding: 18px;
    }
    
    .print-btn {
        bottom: 20px;
        right: 20px;
        padding: 12px;
    }
}

/* RESPONSIVE DESIGN - MÓVIL */
@media (max-width: 767px) {
    body {
        padding: 10px;
    }
    
    .container {
        border-radius: 15px;
        margin: 0 auto;
    }
    
    .device-indicator {
        position: static;
        margin: 0 auto 15px;
        width: fit-content;
    }
    
    .header {
        padding: 25px 15px;
    }
    
    .name {
        font-size: 1.8em;
    }
    
    .title {
        font-size: 1.2em;
    }
    
    .photo-container {
        width: 110px;
        height: 110px;
    }
    
    .main-content {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 20px;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    
    .contact-item {
        justify-content: center;
    }
    
    .section h2 {
        font-size: 1.3em;
    }
    
    .experience-item, .education-item, .certification-item, 
    .repository-item, .contract-item {
        padding: 16px;
        margin-bottom: 20px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .print-btn {
        bottom: 15px;
        right: 15px;
        padding: 12px;
        font-size: 13px;
    }
}

/* RESPONSIVE DESIGN - MÓVIL PEQUEÑO */
@media (max-width: 480px) {
    .name {
        font-size: 1.6em;
    }
    
    .title {
        font-size: 1em;
    }
    
    .photo-container {
        width: 90px;
        height: 90px;
    }
    
    .contact-item {
        font-size: 0.85em;
        text-align: center;
    }
    
    .section h2 {
        font-size: 1.2em;
    }
    
    .main-content {
        padding: 15px;
    }
    
    .experience-item, .education-item, .certification-item, 
    .repository-item, .contract-item {
        padding: 14px;
    }
    
    .skill-item, .more-proyects {
        font-size: 0.85em;
        padding: 6px 10px;
    }
    
    .print-btn {
        padding: 10px;
        font-size: 12px;
    }
}