/* Variables - Tema Oscuro con colores vibrantes */
:root {
    --color-bg-dark: #0a0a0f;
    --color-bg-card: #12121a;
    --color-bg-card-hover: #1a1a25;
    --color-border: #2a2a3a;

    /* Colores vibrantes */
    --color-primary: #8b5cf6;
    --color-secondary: #06b6d4;
    --color-accent-pink: #ec4899;
    --color-accent-orange: #f97316;
    --color-accent-green: #10b981;
    --color-accent-yellow: #eab308;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
    --gradient-pink: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
    --gradient-sunset: linear-gradient(135deg, #f97316 0%, #ec4899 100%);
    --gradient-ocean: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);

    /* Texto */
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-text-dim: #64748b;

    /* Efectos */
    --glow-purple: 0 0 20px rgba(139, 92, 246, 0.4);
    --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.4);
    --glow-pink: 0 0 20px rgba(236, 72, 153, 0.4);

    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-bg-dark);
    color: var(--color-text);
    line-height: 1.6;
    background-image:
        radial-gradient(ellipse at top, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at bottom left, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
    min-height: 100vh;
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: var(--glow-purple);
    }
    50% {
        box-shadow: 0 0 30px rgba(139, 92, 246, 0.6);
    }
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes border-dance {
    0%, 100% {
        border-color: var(--color-primary);
    }
    33% {
        border-color: var(--color-secondary);
    }
    66% {
        border-color: var(--color-accent-pink);
    }
}

/* Header */
.header {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(6, 182, 212, 0.2) 50%, rgba(236, 72, 153, 0.2) 100%);
    padding: 5rem 2rem;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(236, 72, 153, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.1) 0%, transparent 40%);
    animation: gradient-shift 8s ease infinite;
    background-size: 200% 200%;
}

/* Partículas decorativas */
.header::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: float 6s ease-in-out infinite;
}

.header-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 2.5rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease;
}

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

.profile-image::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--gradient-primary);
    z-index: -1;
    animation: pulse-glow 3s ease-in-out infinite;
}

.image-placeholder {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: var(--color-bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-card-hover) 100%);
    color: var(--color-primary);
    transition: var(--transition-normal);
    background-image: url('./images/profile-photo-300.png');
    background-size: cover;
    background-repeat: no-repeat;
}

.image-placeholder:hover {
    transform: scale(1.05) rotate(5deg);
}

.header-text {
    animation: slideInLeft 0.8s ease 0.2s both;
}

.name {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title {
    font-size: 1.3rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.title::before {
    content: '◆';
    color: var(--color-accent-pink);
    font-size: 0.8rem;
}

.header-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.header-links a {
    color: var(--color-text);
    text-decoration: none;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.header-links a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: var(--glow-purple);
    transform: translateY(-2px);
}

.separator {
    display: none;
}

/* Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

/* Secciones */
.section {
    background: var(--color-bg-card);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.section:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--glow-purple);
}

.section:hover::before {
    opacity: 1;
}

/* Colores diferentes para cada sección */
.section:nth-child(1)::before { background: var(--gradient-primary); }
.section:nth-child(2)::before { background: var(--gradient-ocean); }
.section:nth-child(3)::before { background: var(--gradient-pink); }
.section:nth-child(4)::before { background: var(--gradient-sunset); }
.section:nth-child(5)::before { background: var(--gradient-primary); }
.section:nth-child(6)::before { background: var(--gradient-ocean); }

.section:nth-child(1):hover { box-shadow: var(--shadow-lg), var(--glow-purple); }
.section:nth-child(2):hover { box-shadow: var(--shadow-lg), var(--glow-cyan); }
.section:nth-child(3):hover { box-shadow: var(--shadow-lg), var(--glow-pink); }
.section:nth-child(4):hover { box-shadow: var(--shadow-lg), 0 0 20px rgba(249, 115, 22, 0.4); }
.section:nth-child(5):hover { box-shadow: var(--shadow-lg), var(--glow-purple); }
.section:nth-child(6):hover { box-shadow: var(--shadow-lg), var(--glow-cyan); }

.section-title {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.title-icon {
    font-size: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Perfil */
.profile-text {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.6;
    border-left: 3px solid var(--color-primary);
    padding-left: 1.5rem;
    margin-bottom: 15px;
    text-align: justify;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    font-size: 0.85rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-category h3::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-secondary);
}

.skill-category:nth-child(1) h3::before { background: var(--color-primary); }
.skill-category:nth-child(1) h3 { color: var(--color-primary); }
.skill-category:nth-child(2) h3::before { background: var(--color-accent-pink); }
.skill-category:nth-child(2) h3 { color: var(--color-accent-pink); }
.skill-category:nth-child(3) h3::before { background: var(--color-secondary); }
.skill-category:nth-child(3) h3 { color: var(--color-secondary); }
.skill-category:nth-child(4) h3::before { background: var(--color-accent-green); }
.skill-category:nth-child(4) h3 { color: var(--color-accent-green); }

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-text);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    border: 1px solid rgba(139, 92, 246, 0.3);
    transition: var(--transition-fast);
    cursor: default;
}

.skill-category:nth-child(1) .skill-tag {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.3);
}
.skill-category:nth-child(1) .skill-tag:hover {
    background: var(--color-primary);
    box-shadow: var(--glow-purple);
}

.skill-category:nth-child(2) .skill-tag {
    background: rgba(236, 72, 153, 0.1);
    border-color: rgba(236, 72, 153, 0.3);
}
.skill-category:nth-child(2) .skill-tag:hover {
    background: var(--color-accent-pink);
    box-shadow: var(--glow-pink);
}

.skill-category:nth-child(3) .skill-tag {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
}
.skill-category:nth-child(3) .skill-tag:hover {
    background: var(--color-secondary);
    box-shadow: var(--glow-cyan);
}

.skill-category:nth-child(4) .skill-tag {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}
.skill-category:nth-child(4) .skill-tag:hover {
    background: var(--color-accent-green);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.skill-tag:hover {
    transform: translateY(-3px) scale(1.05);
    color: white;
}

/* Proyectos */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--color-bg-card-hover);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 0;
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg), var(--glow-purple);
}

.project-card:hover::before {
    opacity: 0.05;
}

.project-card > * {
    position: relative;
    z-index: 1;
}

.project-card:nth-child(1) { border-top: 3px solid var(--color-primary); }
.project-card:nth-child(2) { border-top: 3px solid var(--color-accent-pink); }
.project-card:nth-child(3) { border-top: 3px solid var(--color-secondary); }

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.project-header h3 {
    font-size: 1.15rem;
    color: var(--color-text);
}

.project-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: var(--transition-fast);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    background: rgba(139, 92, 246, 0.1);
}

.project-link:hover {
    background: var(--color-primary);
    color: white;
}

.project-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tech span {
    background: var(--gradient-primary);
    color: white;
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.project-card:nth-child(2) .project-tech span {
    background: var(--gradient-pink);
}

.project-card:nth-child(3) .project-tech span {
    background: var(--gradient-ocean);
}

/* Timeline - Experiencia */
.timeline {
    position: relative;
    padding-left: 2.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent-pink), var(--color-secondary));
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2.5rem;
    top: 0.25rem;
    width: 18px;
    height: 18px;
    background: var(--color-bg-dark);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    transition: var(--transition-fast);
    z-index: 1;
}

.timeline-item:nth-child(2) .timeline-marker {
    border-color: var(--color-accent-pink);
}

.timeline-item:nth-child(3) .timeline-marker {
    border-color: var(--color-secondary);
}

.timeline-item:hover .timeline-marker {
    transform: scale(1.4);
    background: var(--color-primary);
    box-shadow: var(--glow-purple);
}

.timeline-item:nth-child(2):hover .timeline-marker {
    background: var(--color-accent-pink);
    box-shadow: var(--glow-pink);
}

.timeline-item:nth-child(3):hover .timeline-marker {
    background: var(--color-secondary);
    box-shadow: var(--glow-cyan);
}

.timeline-content {
    background: var(--color-bg-card-hover);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

.timeline-item:hover .timeline-content {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.timeline-header h3 {
    font-size: 1.15rem;
    color: var(--color-text);
}

.timeline-date {
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.2rem 0.75rem;
    background: rgba(139, 92, 246, 0.15);
    border-radius: 20px;
}

.timeline-item:nth-child(2) .timeline-date {
    color: var(--color-accent-pink);
    background: rgba(236, 72, 153, 0.15);
}

.timeline-item:nth-child(3) .timeline-date {
    color: var(--color-secondary);
    background: rgba(6, 182, 212, 0.15);
}

.timeline-company {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    font-weight: 500;
}

.timeline-description {
    color: var(--color-text-dim);
    font-size: 0.95rem;
    padding-left: 1.25rem;
}

.timeline-description li {
    margin-bottom: 0.5rem;
    position: relative;
}

.timeline-description li::marker {
    color: var(--color-primary);
}

/* Educación */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.education-card {
    background: var(--color-bg-card-hover);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: var(--transition-normal);
}

.education-card:hover {
    transform: translateX(8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.education-card:hover::before {
    transform: scaleY(1);
}

.education-card:nth-child(2)::before {
    background: var(--gradient-ocean);
}

.education-card h3 {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.education-institution {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.education-date {
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 0.75rem;
    display: inline-block;
    padding: 0.2rem 0.75rem;
    background: rgba(139, 92, 246, 0.15);
    border-radius: 20px;
}

.education-card:nth-child(2) .education-date {
    color: var(--color-secondary);
    background: rgba(6, 182, 212, 0.15);
}

/* Contacto */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--color-bg-card-hover);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--color-text);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.contact-item:nth-child(2)::before { background: var(--gradient-pink); }
.contact-item:nth-child(3)::before { background: var(--gradient-ocean); }
.contact-item:nth-child(4)::before { background: var(--gradient-sunset); }

.contact-item:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: transparent;
    box-shadow: var(--shadow-lg), var(--glow-purple);
}

.contact-item:hover::before {
    opacity: 1;
}

.contact-item > * {
    position: relative;
    z-index: 1;
}

.contact-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.2);
    border-radius: 10px;
    transition: var(--transition-fast);
}

.contact-item:nth-child(1) .contact-icon { background: rgba(139, 92, 246, 0.2); }
.contact-item:nth-child(2) .contact-icon { background: rgba(236, 72, 153, 0.2); }
.contact-item:nth-child(3) .contact-icon { background: rgba(6, 182, 212, 0.2); }
.contact-item:nth-child(4) .contact-icon { background: rgba(249, 115, 22, 0.2); }

.contact-item:hover .contact-icon {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(10deg) scale(1.1);
}

/* Footer */
.footer {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--color-text-dim);
    font-size: 0.9rem;
    border-top: 1px solid var(--color-border);
    background: linear-gradient(to top, rgba(139, 92, 246, 0.05) 0%, transparent 100%);
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        padding: 3rem 1.5rem;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .header-links {
        justify-content: center;
    }

    .name {
        font-size: 2.2rem;
    }

    .title {
        justify-content: center;
    }

    .container {
        padding: 1rem;
    }

    .section {
        padding: 1.5rem;
    }

    .timeline {
        padding-left: 2rem;
    }

    .timeline-marker {
        left: -2rem;
    }

    .timeline-header {
        flex-direction: column;
    }

    .profile-text {
        padding-left: 1rem;
    }
}

/* Scroll reveal base state */
.section {
    opacity: 0;
    transform: translateY(40px);
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Selección de texto */
::selection {
    background: var(--color-primary);
    color: white;
}