/* ============================================
   MI PORTFOLIO - ARCTIC PRO BLUE THEME
   Estilos principales
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    /* Colores principales */
    --primary: #3b82f6;
    --secondary: #06b6d4;
    --tertiary: #6366f1;
    --accent: #8b5cf6;
    
    /* Fondos */
    --bg-dark: #050817;
    --bg-dark-alt: #0f172a;
    --bg-card: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(6, 182, 212, 0.05));
    
    /* Textos */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.5);
    
    /* Bordes y efectos */
    --border-color: rgba(59, 130, 246, 0.2);
    --border-hover: rgba(59, 130, 246, 0.4);
    --glow-primary: rgba(59, 130, 246, 0.3);
    --glow-secondary: rgba(6, 182, 212, 0.3);
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-text: linear-gradient(90deg, var(--primary), var(--secondary), var(--tertiary));
    --gradient-button: linear-gradient(135deg, var(--primary), var(--tertiary));
    
    /* Glassmorphism */
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Espaciado */
    --section-padding: 100px 0;
    --container-max: 1200px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}



/* ---------- Fondo Animado Aurora ---------- */
.aurora-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    background: var(--bg-dark);
}

.aurora-background::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(6, 182, 212, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 70% 60% at 60% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 30% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    animation: auroraMove 20s ease-in-out infinite alternate;
}

@keyframes auroraMove {
    0% { transform: translate(0, 0) rotate(0deg) scale(1); }
    33% { transform: translate(2%, -2%) rotate(1deg) scale(1.02); }
    66% { transform: translate(-1%, 1%) rotate(-0.5deg) scale(0.98); }
    100% { transform: translate(1%, 2%) rotate(0.5deg) scale(1.01); }
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
/* Grid overlay */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 20%, transparent 70%);
}

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- Navigation ---------- */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
}

.main-nav.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
}

/* La foto en círculo, igual que la del CV. El anillo azul es para que no
   se pierda contra el fondo oscuro de la barra. */
.nav-logo img {
    width: 40px;
    height: 40px;
    flex: none;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.22);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.35);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.nav-logo:hover img {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.55);
    transform: scale(1.04);
}

/* El degradado se queda solo en el texto: sobre la foto no aplica */
.nav-logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

.nav-menu a:hover {
    color: var(--text-primary);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
}

.btn-primary {
    background: var(--gradient-button);
    color: var(--text-primary);
    box-shadow: 0 4px 20px var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--glow-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

/* ---------- Section Styles ---------- */
section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- HERO SECTION ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    margin-bottom: 24px;
}

.hero h1 .name {
    display: block;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Typewriter effect */
.typewriter-wrapper {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    min-height: 40px;
}

.typewriter-text {
    color: var(--secondary);
    font-weight: 600;
}

.typewriter-cursor {
    width: 3px;
    height: 1.2em;
    background: var(--secondary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-container {
    position: relative;
    width: 400px;
    height: 400px;
}
.hero-image img {
    width: 100%;
    border-radius: 30px;
}
.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
    border: 2px solid var(--border-color);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 30px;
    filter: blur(60px);
    opacity: 0.3;
    z-index: -1;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.05); }
}

/* Floating elements */
.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    padding: 12px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 8%;
    right: -12%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    bottom: 24%;
    right: -16%;
    animation-delay: -2s;
}

.floating-element:nth-child(3) {
    bottom: 6%;
    left: -14%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ---------- ABOUT SECTION ---------- */
.about {
    background: var(--bg-dark-alt);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h3 {
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 16px;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Skills */
.skills-section {
    margin-top: 40px;
}

.skills-section h4 {
    margin-bottom: 24px;
}

.skill-bar {
    margin-bottom: 20px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.skill-name {
    font-weight: 500;
    color: var(--text-secondary);
}

.skill-percent {
    color: var(--primary);
    font-weight: 600;
}

.skill-progress {
    height: 8px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    transition: width 1.5s ease-out;
}


/* ---------- TECHNOLOGIES SECTION ---------- */
.technologies {
    background: var(--bg-dark-alt);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.tech-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    transition: var(--transition-normal);
}

.tech-category:hover {
    border-color: var(--border-hover);
}

.tech-category h4 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    font-size: 1.2rem;
}

.tech-category h4 .icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 10px;
    font-size: 1.2rem;
}

.tech-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tech-item {
    padding: 10px 18px;
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    cursor: default;
}

.tech-item:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px var(--glow-primary);
}

/* ---------- CONTACT SECTION ---------- */
.contact {
    background: var(--bg-dark);
}

/* Estado de envío del formulario */
.contact-form .btn-primary {
    position: relative;
    transition: all 0.4s ease;
}

.contact-form .btn-primary.sending {
    pointer-events: none;
    opacity: 0.7;
}

.contact-form .btn-primary .btn-text,
.contact-form .btn-primary .btn-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.contact-form .btn-primary .btn-loading {
    display: none;
}

.contact-form .btn-primary.sending .btn-text {
    display: none;
}

.contact-form .btn-primary.sending .btn-loading {
    display: flex;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Alerta de resultado */
.form-alert {
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 20px;
    display: none;
    align-items: center;
    gap: 12px;
    animation: alertIn 0.4s ease;
}

.form-alert.show {
    display: flex;
}

.form-alert.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

.form-alert.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.form-alert .alert-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

@keyframes alertIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Honeypot - oculto para bots */
.ohnohoney {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
}

/* Validación visual de inputs */
.contact-form input:user-invalid,
.contact-form textarea:user-invalid {
    border-color: rgba(239, 68, 68, 0.5);
}

.contact-form input:user-valid,
.contact-form textarea:user-valid {
    border-color: rgba(34, 197, 94, 0.3);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 30px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-link-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    text-decoration: none;
    transition: var(--transition-normal);
}

.contact-link-item:hover {
    transform: translateX(10px);
    border-color: var(--border-hover);
}

.contact-link-item .icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 12px;
    color: #fff;
}

.contact-link-item .icon svg {
    width: 22px;
    height: 22px;
}

.contact-link-item .text {
    flex: 1;
    min-width: 0;
}

.contact-link-item .label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 2px;
}

.contact-link-item .value {
    display: block;
    font-size: 1.05rem;
    color: var(--text-primary);
    font-weight: 500;
    overflow-wrap: anywhere;
}

/* Contact form - Glassmorphism */
.contact-form-wrapper {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
}

.contact-form .form-group {
    margin-bottom: 24px;
}

.contact-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(5, 8, 23, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--glow-primary);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
}

/* ---------- FOOTER ---------- */
.site-footer {
    position: relative;
    background: var(--bg-dark-alt);
    padding: 72px 0 32px;
    border-top: 1px solid var(--border-color);
}

/* Filo de luz sobre el borde superior */
.site-footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: min(680px, 80%);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
    opacity: 0.7;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: 56px;
    padding-bottom: 48px;
}

/* --- Columna de marca --- */
.footer-logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.footer-role {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.footer-pitch {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 42ch;
    margin-bottom: 18px;
}

.footer-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #22c55e;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.footer-status .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse 2s infinite;
}

/* --- Columnas de enlaces --- */
.footer-col h5 {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.footer-col a {
    font-size: 0.92rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    display: inline-block;
}

.footer-col a:hover {
    color: var(--secondary);
    transform: translateX(4px);
}

/* --- Redes --- */
.footer-social {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    transition: var(--transition-normal);
}

.footer-social a:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: rgba(59, 130, 246, 0.12);
    transform: translateY(-3px);
}

/* --- Barra inferior --- */
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 26px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin: 0;
}

.footer-made {
    font-style: italic;
    opacity: 0.75;
}

@media (max-width: 860px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 560px) {
    .site-footer {
        padding: 56px 0 28px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-visual {
        order: 1;
    }
    
    .hero-image-container {
        width: 300px;
        height: 300px;
    }
    
    .hero-description {
        margin: 0 auto 32px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .floating-elements {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
}

/* ---------- Scrollbar Styling ---------- */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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

/* ---------- Selection ---------- */
::selection {
    background: var(--primary);
    color: var(--text-primary);
}

/* ============================================
   PROJECT CARDS — ESTILOS BASE
   ============================================ */
.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
}

.project-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.project-image {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: var(--bg-dark-alt);
}

.project-overlay {
    position: absolute;
    top: 32px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 8, 23, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-info {
    padding: 24px;
}

.project-category {
    font-size: 0.75rem;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    font-weight: 600;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 6px;
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

.project-info > p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.project-tech {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tech-tag {
    padding: 5px 12px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

/* ============================================
   PROYECTOS — ESTILOS NUEVOS
   Pegar al final de tu CSS existente
   (Reemplaza el CSS de proyectos anterior)
   ============================================ */

/* --- Filter button animation --- */
/* --- Filter buttons --- */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 28px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.filter-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--text-primary);
}

.filter-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    border-radius: 50px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.filter-btn span {
    position: relative;
    z-index: 1;
}

.filter-btn.active::before {
    transform: scaleX(1);
}

/* --- Results counter --- */
.filter-results-count {
    text-align: center;
    margin-bottom: 28px;
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: opacity 0.3s;
}

/* --- Card entrance animation ---
   La clase .js-anim la pone main.js apenas arranca. Si el JS no carga,
   las tarjetas se ven igual en vez de quedar invisibles para siempre. */
.project-card {
    transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.js-anim .project-card {
    opacity: 0;
    transform: translateY(40px);
}

.js-anim .project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card.filtering-out {
    opacity: 0 !important;
    transform: scale(0.92) translateY(16px) !important;
    pointer-events: none;
}

.project-card.filtering-in {
    opacity: 1 !important;
    transform: scale(1) translateY(0) !important;
}

/* --- Tilt: la tarjeta se inclina siguiendo el mouse ---
   main.js pone .tilt solo si hay mouse de verdad y el usuario no pidió
   menos movimiento, y va actualizando las variables en cada movimiento.
   El selector largo (.visible.tilt) es para ganarle a la entrada de arriba. */
.project-card.tilt,
.js-anim .project-card.visible.tilt {
    transform:
        perspective(900px)
        rotateX(var(--tilt-x, 0deg))
        rotateY(var(--tilt-y, 0deg))
        translateY(var(--tilt-lift, 0px));
    transition: transform 0.15s ease-out,
                border-color var(--transition-normal),
                box-shadow var(--transition-normal);
    will-change: transform;
}

/* Al salir el mouse vuelve más despacio, para que no se sienta un latigazo */
.project-card.tilt.tilt-volviendo,
.js-anim .project-card.visible.tilt.tilt-volviendo {
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.3, 1),
                border-color var(--transition-normal),
                box-shadow var(--transition-normal);
}

@media (prefers-reduced-motion: reduce) {
    .project-card.tilt,
    .js-anim .project-card.visible.tilt { transform: none; }
}

/* --- Hover: title gradient --- */
.project-card:hover .project-info h3 {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Hover: tech tags glow --- */
.project-card:hover .tech-tag {
    background: rgba(59, 130, 246, 0.18);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

/* ============================================
   BROWSER CHROME BAR
   ============================================ */
.browser-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 32px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 6px;
    z-index: 4;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.browser-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.browser-dot:nth-child(1) { background: #ff5f57; }
.browser-dot:nth-child(2) { background: #ffbd2e; }
.browser-dot:nth-child(3) { background: #28ca42; }

.browser-url {
    flex: 1;
    margin-left: 8px;
    padding: 3px 10px;
    background: rgba(255,255,255,0.06);
    border-radius: 4px;
    font-size: 0.62rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   SCREENSHOT AUTO-SCROLL EFFECT
   ============================================ */
.project-image {
    background: var(--bg-dark-alt);
}

.screenshot-scroll {
    position: absolute;
    top: 32px;
    left: 0;
    width: 100%;
    height: calc(100% - 32px);
    overflow: hidden;
}

.screenshot-scroll img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    display: block;
    transition: transform 0.4s ease;
}

/* Hover: solo zoom sutil */
.project-card:hover .screenshot-scroll img {
    transform: scale(1.05);
}


/* Fade at bottom of screenshot */
.screenshot-scroll::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(5, 8, 23, 0.85), transparent);
    pointer-events: none;
    z-index: 2;
}

/* ============================================
   STATUS BADGE
   ============================================ */
.project-status {
    position: absolute;
    top: 40px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(5, 8, 23, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.68rem;
    font-weight: 500;
    color: #86efac;
    border: 1px solid rgba(134, 239, 172, 0.15);
    z-index: 5;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22c55e;
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
    50% { opacity: 0.7; box-shadow: 0 0 0 5px rgba(34, 197, 94, 0); }
}

/* ============================================
   OVERLAY ACTION BUTTONS
   ============================================ */
.project-overlay {
    z-index: 6;
    top: 32px;
    background: rgba(5, 8, 23, 0.4);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.overlay-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 20px;
    border-radius: 50px;
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transform: translateY(14px);
    opacity: 0;
    transition: all 0.35s ease;
}

.project-card:hover .overlay-btn {
    transform: translateY(0);
    opacity: 1;
}
.project-card:hover .overlay-btn:nth-child(1) { transition-delay: 0.08s; }
.project-card:hover .overlay-btn:nth-child(2) { transition-delay: 0.16s; }

.overlay-btn svg { width: 15px; height: 15px; }

.overlay-btn.primary {
    background: var(--gradient-button);
    color: var(--text-primary);
}
.overlay-btn.primary:hover {
    box-shadow: 0 4px 24px var(--glow-primary);
}

.overlay-btn.secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}
.overlay-btn.secondary:hover {
    background: rgba(255,255,255,0.15);
}

/* ============================================
   METRICS ROW
   ============================================ */
.project-metrics {
    display: flex;
    gap: 20px;
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

.metric-label {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

/* ============================================
   MODAL — Case Study
   ============================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(5, 8, 23, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s ease;
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-dark-alt);
    border-radius: 24px;
    max-width: 720px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    transform: scale(0.92) translateY(20px);
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.modal-backdrop.active .modal {
    transform: scale(1) translateY(0);
}

.modal::-webkit-scrollbar { width: 6px; }
.modal::-webkit-scrollbar-track { background: transparent; }
.modal::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(5, 8, 23, 0.6);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-normal);
}

.modal-close:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--border-hover);
    transform: rotate(90deg);
}

.modal-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    object-position: top;
    border-radius: 24px 24px 0 0;
}

.modal-body { padding: 36px; }

.modal-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--secondary);
    margin-bottom: 8px;
    display: block;
}

.modal-body h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.modal-body .description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 28px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 28px;
}

.detail-block {
    background: rgba(59, 130, 246, 0.05);
    border-radius: 14px;
    padding: 18px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.detail-block .label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.detail-block .value {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.modal-tech .tech-tag {
    padding: 6px 16px;
    font-size: 0.82rem;
}

.modal-actions {
    display: flex;
    gap: 12px;
}

.modal-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.modal-btn svg { width: 16px; height: 16px; }

.modal-btn.primary {
    background: var(--gradient-button);
    color: var(--text-primary);
    box-shadow: 0 4px 20px var(--glow-primary);
}

.modal-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--glow-primary);
}

.modal-btn.ghost {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.modal-btn.ghost:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--border-hover);
}

/* --- Responsive modal --- */
@media (max-width: 768px) {
    .detail-grid { grid-template-columns: repeat(2, 1fr); }
    .modal-actions { flex-direction: column; }
    .project-overlay { flex-direction: column; gap: 10px; }
    .modal-body { padding: 24px; }

    .tech-grid-item .grid-item-years {
    font-size: 13px !important;
}
.tech-grid-item {
    gap: 0px !important;
}
.tech-grid-item .grid-item-name {
    font-size: 15px!important;
}
.tech-grid-item i, .tech-grid-item svg {
    font-size: 2.6rem !important;
    margin-bottom: 11px;
}
}

@media (max-width: 480px) {
    .detail-grid { grid-template-columns: 1fr; }

    .contact-form-wrapper {
    padding: 27px;
    margin-top: 25px;
}

    .contact-wrapper {
        grid-template-columns: 1fr;
        display: block;
    }

    .contact-link-item {
    display: block;
}
.contact-link-item .text {
    flex: 1;
    margin-top: 8px;
}
}


/* ============================================
   TECNOLOGÍAS — ORBIT SYSTEM V2
   REEMPLAZAR todo el bloque orbit anterior
   ============================================ */

/* --- Orbit wrapper --- */
.orbit-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    max-width: 740px;
    aspect-ratio: 1;
    margin: 0 auto;
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25,0.46,0.45,0.94);
}

.orbit-wrapper.visible {
    opacity: 1;
    transform: scale(1);
}

/* --- Orbit rings — with animated glow --- */
.orbit-ring {
    position: absolute;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.orbit-ring-1 {
    width: 34%;
    height: 34%;
    border: 1.5px solid rgba(247, 223, 30, 0.12);
    box-shadow: 0 0 30px rgba(247, 223, 30, 0.04), inset 0 0 30px rgba(247, 223, 30, 0.02);
    animation: ringGlow1 6s ease-in-out infinite;
}

.orbit-ring-2 {
    width: 58%;
    height: 58%;
    border: 1.5px dashed rgba(136, 146, 191, 0.12);
    box-shadow: 0 0 40px rgba(136, 146, 191, 0.03), inset 0 0 40px rgba(136, 146, 191, 0.02);
    animation: ringGlow2 8s ease-in-out infinite;
}

.orbit-ring-3 {
    width: 84%;
    height: 84%;
    border: 1.5px solid rgba(59, 130, 246, 0.1);
    box-shadow: 0 0 50px rgba(59, 130, 246, 0.03), inset 0 0 50px rgba(59, 130, 246, 0.015);
    animation: ringGlow3 10s ease-in-out infinite;
}

@keyframes ringGlow1 {
    0%, 100% { box-shadow: 0 0 30px rgba(247, 223, 30, 0.04), inset 0 0 30px rgba(247, 223, 30, 0.02); }
    50%      { box-shadow: 0 0 50px rgba(247, 223, 30, 0.08), inset 0 0 50px rgba(247, 223, 30, 0.04); }
}

@keyframes ringGlow2 {
    0%, 100% { box-shadow: 0 0 40px rgba(136, 146, 191, 0.03), inset 0 0 40px rgba(136, 146, 191, 0.02); }
    50%      { box-shadow: 0 0 60px rgba(136, 146, 191, 0.07), inset 0 0 60px rgba(136, 146, 191, 0.035); }
}

@keyframes ringGlow3 {
    0%, 100% { box-shadow: 0 0 50px rgba(59, 130, 246, 0.03), inset 0 0 50px rgba(59, 130, 246, 0.015); }
    50%      { box-shadow: 0 0 70px rgba(59, 130, 246, 0.06), inset 0 0 70px rgba(59, 130, 246, 0.03); }
}

/* --- Center core --- */
.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    text-align: center;
}

.orbit-center-glow {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, transparent 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: centerPulse 4s ease-in-out infinite;
}

@keyframes centerPulse {
    0%, 100% { box-shadow: 0 0 40px rgba(59, 130, 246, 0.12), 0 0 80px rgba(59, 130, 246, 0.06); }
    50%      { box-shadow: 0 0 60px rgba(59, 130, 246, 0.22), 0 0 120px rgba(59, 130, 246, 0.1); }
}

.orbit-center-inner {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.orbit-center-inner .center-number {
    font-size: 1.7rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.orbit-center-inner .center-label {
    font-size: 0.55rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

/* --- Rotating tracks --- */
.orbit-track {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
}

.orbit-track-1 { width: 34%; height: 34%; animation: orbitSpin 35s linear infinite; }
.orbit-track-2 { width: 58%; height: 58%; animation: orbitSpin 50s linear infinite reverse; }
.orbit-track-3 { width: 84%; height: 84%; animation: orbitSpin 70s linear infinite; }

@keyframes orbitSpin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.orbit-wrapper:hover .orbit-track {
    animation-play-state: paused;
}

/* --- Tech nodes — with persistent labels --- */
.tech-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    z-index: 5;
}

.tech-node-icon {
    width: 66px;
    height: 66px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 1.5px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.35s ease;
    position: relative;
}

.tech-node-icon i,
.tech-node-icon svg {
    font-size: 2rem;
    transition: transform 0.3s ease;
}

.tech-node-icon svg {
    width: 28px;
    height: 28px;
}

/* Persistent label below each node */
.tech-node-label {
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    text-align: center;
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

/* Counter-rotate nodes to keep icons upright */
.orbit-track-1 .tech-node { animation: counterSpin 35s linear infinite; }
.orbit-track-2 .tech-node { animation: counterSpin 50s linear infinite reverse; }
.orbit-track-3 .tech-node { animation: counterSpin 70s linear infinite; }

@keyframes counterSpin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to   { transform: translate(-50%, -50%) rotate(-360deg); }
}

.orbit-wrapper:hover .tech-node {
    animation-play-state: paused;
}

/* Node hover */
.tech-node:hover .tech-node-icon {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.12);
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.25);
    transform: scale(1.2);
}

.tech-node:hover .tech-node-label {
    color: var(--text-primary);
}

.tech-node:hover .tech-node-icon i,
.tech-node:hover .tech-node-icon svg {
    transform: scale(1.1);
}

/* Tooltip (shows years/level on hover) */
.tech-node-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    padding: 6px 14px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    pointer-events: none;
    z-index: 30;
    text-align: center;
}

.tech-node-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--border-color);
}

.tooltip-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

.tooltip-detail {
    font-size: 0.68rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--secondary);
    display: block;
    margin-top: 2px;
}

.tech-node:hover .tech-node-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Track-specific ring colors */
.orbit-track-1 .tech-node-icon { border-color: rgba(247, 223, 30, 0.3); }
.orbit-track-2 .tech-node-icon { border-color: rgba(136, 146, 191, 0.25); }
.orbit-track-3 .tech-node-icon { border-color: rgba(59, 130, 246, 0.2); }

/* Track-specific sizes */
.orbit-track-1 .tech-node-icon { width: 58px; height: 58px; }
.orbit-track-1 .tech-node-icon i { font-size: 1.8rem; }

.orbit-track-3 .tech-node-icon { width: 70px; height: 70px; }
.orbit-track-3 .tech-node-icon i,
.orbit-track-3 .tech-node-icon svg { font-size: 2.2rem; }
.orbit-track-3 .tech-node-icon svg { width: 30px; height: 30px; }

/* --- Node positions --- */
/* Track 1 — 4 items */
.orbit-track-1 .node-1 { top: 0%;   left: 50%; }
.orbit-track-1 .node-2 { top: 50%;  left: 100%; }
.orbit-track-1 .node-3 { top: 100%; left: 50%; }
.orbit-track-1 .node-4 { top: 50%;  left: 0%; }

/* Track 2 — 6 items */
.orbit-track-2 .node-1 { top: 0%;     left: 50%; }
.orbit-track-2 .node-2 { top: 13.4%;  left: 93.3%; }
.orbit-track-2 .node-3 { top: 75%;    left: 96.6%; }
.orbit-track-2 .node-4 { top: 100%;   left: 50%; }
.orbit-track-2 .node-5 { top: 75%;    left: 3.4%; }
.orbit-track-2 .node-6 { top: 13.4%;  left: 6.7%; }

/* Track 3 — 8 items */
.orbit-track-3 .node-1 { top: 0%;     left: 50%; }
.orbit-track-3 .node-2 { top: 7.6%;   left: 85.4%; }
.orbit-track-3 .node-3 { top: 50%;    left: 100%; }
.orbit-track-3 .node-4 { top: 92.4%;  left: 85.4%; }
.orbit-track-3 .node-5 { top: 100%;   left: 50%; }
.orbit-track-3 .node-6 { top: 92.4%;  left: 14.6%; }
.orbit-track-3 .node-7 { top: 50%;    left: 0%; }
.orbit-track-3 .node-8 { top: 7.6%;   left: 14.6%; }

/* --- Legend — improved contrast --- */
.tech-legend {
    display: flex;
    justify-content: center;
    gap: 36px;
    margin-top: 48px;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease 0.4s, transform 0.6s ease 0.4s;
}

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

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid transparent;
}

.legend-dot.frontend {
    background: #f7df1e;
    border-color: rgba(247, 223, 30, 0.4);
    box-shadow: 0 0 8px rgba(247, 223, 30, 0.3);
}

.legend-dot.backend {
    background: #8892bf;
    border-color: rgba(136, 146, 191, 0.4);
    box-shadow: 0 0 8px rgba(136, 146, 191, 0.3);
}

.legend-dot.tools {
    background: #3b82f6;
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.3);
}

/* ============================================
   MOBILE GRID FALLBACK
   ============================================ */
.tech-mobile-grid {
    display: none;
}

.tech-grid-category {
    margin-bottom: 36px;
}

.tech-grid-category-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tech-grid-category-title .cat-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.cat-dot.core      { background: #f7df1e; box-shadow: 0 0 6px rgba(247, 223, 30, 0.4); }
.cat-dot.frameworks { background: #8892bf; box-shadow: 0 0 6px rgba(136, 146, 191, 0.4); }
.cat-dot.tooling   { background: #3b82f6; box-shadow: 0 0 6px rgba(59, 130, 246, 0.4); }

.tech-grid-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 12px;
}

.tech-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 8px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    transition: all 0.3s ease;
}

.tech-grid-item:active {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--border-hover);
    transform: scale(0.96);
}

.tech-grid-item i {
    font-size: 1.6rem;
}

/* Los iconos SVG se dimensionan por CSS, no por atributos */
.tech-grid-item svg {
    width: 30px;
    height: 30px;
    display: block;
}

.tech-grid-item .grid-item-name {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.2;
}

.tech-grid-item .grid-item-years {
    font-size: 0.58rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--secondary);
}

/* --- Responsive orbit --- */
@media (min-width: 769px) and (max-width: 1024px) {
    .orbit-wrapper { max-width: 580px; }
    .tech-node-icon { width: 56px; height: 56px; }
    .tech-node-icon i { font-size: 1.7rem; }
    .tech-node-label { font-size: 0.56rem; }
    .orbit-center-glow { width: 120px; height: 120px; }
    .orbit-center-inner { width: 84px; height: 84px; }
    .orbit-center-inner .center-number { font-size: 1.4rem; }
}

@media (max-width: 768px) {
    .orbit-wrapper { display: none !important; }
    .tech-legend { display: none; }
    .tech-mobile-grid { display: block; }
}

/* ============================================
   LANGUAGE SWITCHER — PILL STYLE
   Vive dentro del nav (.nav-actions), no flotando
   ============================================ */
.lang-switcher {
    display: flex;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 3px;
    gap: 2px;
}

.lang-switcher a {
    padding: 6px 14px;
    font-size: 0.78rem;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    border-radius: 50px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.lang-switcher a.active {
    background: var(--gradient-primary);
    color: #fff;
    pointer-events: none;
    box-shadow: 0 2px 12px var(--glow-primary);
}

.lang-switcher a:not(.active):hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* Bloque derecho del nav: idioma + botón de menú */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* ============================================
   AJUSTES v3 — nav, CV, footer social, about,
   tecnologías, tarjetas, accesibilidad
   ============================================ */

/* --- Botón terciario (Descargar CV) --- */
.btn-ghost {
    background: rgba(6, 182, 212, 0.08);
    color: var(--secondary);
    border: 1px solid rgba(6, 182, 212, 0.35);
    font-weight: 600;
}

.btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--secondary);
    background: rgba(6, 182, 212, 0.18);
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(6, 182, 212, 0.18);
}

/* --- Sobre Mí: columnas alineadas arriba --- */
.about-content {
    align-items: start;
}

/* Las estadísticas van a lo ancho, entre el título y las dos columnas */
.stats-grid {
    margin-top: 0;
    margin-bottom: 60px;
}

/* --- Tecnologías: la grilla por categorías en todas las resoluciones ---
   La órbita quedó archivada: para recuperarla, borrá estas 3 reglas. */
.orbit-wrapper { display: none !important; }
.tech-legend   { display: none !important; }
.tech-mobile-grid { display: block; }

@media (min-width: 769px) {
    .tech-mobile-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 28px;
        align-items: stretch;
    }

    .tech-grid-category {
        margin-bottom: 0;
        padding: 26px 24px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 20px;
        transition: var(--transition-normal);
    }

    .tech-grid-category:hover {
        border-color: var(--border-hover);
    }

    .tech-grid-items {
        grid-template-columns: repeat(auto-fill, minmax(102px, 1fr));
    }
}

/* --- Tarjetas de proyecto: la captura entra sin recortarse --- */
.project-image {
    height: auto;
    aspect-ratio: 16 / 9;
}

/* La descripción reserva dos líneas para que las métricas queden alineadas
   entre tarjetas vecinas */
.project-info > p {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
}

/* --- Accesibilidad --- */
a:focus-visible,
button:focus-visible,
.project-card:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--secondary);
    outline-offset: 3px;
    border-radius: 6px;
}

.project-card:focus-visible {
    border-color: var(--border-hover);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


/* ============================================
   INTERACCIONES — progreso de lectura, sección
   activa, contadores y copiar al portapapeles
   ============================================ */

/* Barra de progreso de lectura */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 100%;
    transform: scaleX(0);
    transform-origin: 0 50%;
    background: var(--gradient-text);
    z-index: 1200;
    pointer-events: none;
}

/* Sección activa en el menú */
.nav-menu a.active {
    color: var(--text-primary);
}

.nav-menu a.active::after {
    width: 100%;
}

/* Botón de copiar dentro de las tarjetas de contacto */
.copy-btn {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.copy-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: rgba(59, 130, 246, 0.12);
}

.copy-btn.done {
    color: #22c55e;
    border-color: rgba(34, 197, 94, 0.4);
    background: rgba(34, 197, 94, 0.12);
}

/* Aviso de "copiado" */
.toast {
    position: fixed;
    left: 50%;
    bottom: 32px;
    transform: translate(-50%, 20px);
    padding: 12px 22px;
    border-radius: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-hover);
    color: var(--text-primary);
    font-size: 0.92rem;
    font-weight: 500;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    z-index: 1300;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}


/* ============================================
   TRAYECTORIA — línea de tiempo de "Sobre Mí"
   ============================================ */
.exp-timeline {
    margin-top: 32px;
    position: relative;
}

.exp-title {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

/* La línea vertical que une los puntos */
.exp-timeline::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 58px;
    bottom: 14px;
    width: 2px;
    background: linear-gradient(to bottom,
        var(--primary) 0%,
        var(--secondary) 55%,
        transparent 100%);
    opacity: 0.35;
}

.exp-item {
    position: relative;
    padding-left: 30px;
    padding-bottom: 26px;
}

.exp-item:last-of-type {
    padding-bottom: 0;
}

/* El punto de cada etapa */
.exp-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-dark-alt);
    border: 2px solid var(--primary);
    z-index: 1;
    transition: var(--transition-normal);
}

.exp-item:first-of-type::before {
    background: var(--gradient-primary);
    border-color: transparent;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

.exp-item:hover::before {
    border-color: var(--secondary);
    transform: scale(1.15);
}

.exp-period {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 6px;
}

.exp-role {
    font-size: 1.02rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.exp-desc {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.exp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.exp-tags span {
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid var(--border-color);
}

/* Entrada al hacer scroll — solo si el JS está vivo (ver .js-anim) */
.exp-item {
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.js-anim .exp-item {
    opacity: 0;
    transform: translateY(16px);
}

.js-anim .exp-item.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .js-anim .exp-item { opacity: 1; transform: none; }
}

/* La trayectoria arranca a la altura del texto de la izquierda */
.about-stats .exp-timeline {
    margin-top: 0;
}


/* ── Cambio de idioma, marcado como tal ── */
.footer-lang {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding: 10px 16px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 0.86rem;
    color: var(--text-secondary);
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.footer-lang b {
    color: var(--text-primary);
    font-weight: 700;
}

.footer-lang svg {
    flex-shrink: 0;
    color: var(--secondary);
}

.footer-lang:hover {
    background: rgba(59, 130, 246, 0.16);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}