/* ===== RESET Y VARIABLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colores principales */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #06b6d4;
    
    /* Colores de fondo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --bg-card: #ffffff;
    
    /* Colores de texto */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Bordes */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transiciones */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* === MODO OSCURO LIMPIO Y CONSISTENTE === */
:root {
  --primary: #2563eb;
  --bg: #f4f6fa;
  --card-bg: #fff;
  --text: #222;
  --text-light: #666;
  --border: #e5e7eb;
}
[data-theme="dark"] {
  --primary: #60a5fa;
  --bg: #212121;
  --card-bg: #23272e;
  --text: #f3f4f6;
  --text-light: #b0b0b0;
  --border: #313442;
}

/* === MEJORAS PARA TARJETAS EN MODO OSCURO === */
[data-theme="dark"] .project-card {
  background: #2a2f3a;
  border-color: #3a3f4a;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .project-card:hover {
  background: #323742;
  border-color: #4a4f5a;
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .project-card__title {
  color: #f3f4f6;
}

[data-theme="dark"] .project-card__description {
  color: #d1d5db;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
  overflow-x: hidden;
}

/* === RECUADRO DE CÓDIGO COMO EDITOR === */
.hero__code-animation {
  background: #23272e;
  color: #e6e6e6;
  font-family: 'Fira Mono', 'Consolas', 'Menlo', 'Monaco', monospace;
  font-size: 1.05rem;
  line-height: 1.7;
  border-radius: 1.2rem;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.10);
  border: 1.5px solid #1e232b;
  padding: 2rem 2.2rem;
  margin: 0 auto;
  min-width: 320px;
  max-width: 420px;
  transition: background 0.3s, color 0.3s;
}
[data-theme="dark"] .hero__code-animation {
  background: #181c22;
  color: #e6e6e6;
  border-color: #23272e;
}
.code-line {
  margin-bottom: 0.2em;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
.code-keyword {
  color: #82aaff;
  font-weight: 600;
}
.code-variable {
  color: #c3e88d;
}
.code-property {
  color: #ffcb6b;
}
.code-string {
  color: #f78c6c;
}
/* Ajuste para modo claro */
@media (prefers-color-scheme: light) {
  .hero__code-animation {
    background: #f7f7fa;
    color: #23272e;
    border-color: #e5e7eb;
  }
}

/* Ajustes para tarjetas y componentes en modo oscuro */
.skill-card,
.project-card,
.metric-card,
.chart-card {
  background: var(--card-bg);
  color: var(--text);
  border-color: var(--border);
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.skill-card__list li,
.project-card__tech .tech-tag {
  color: var(--text);
  background: rgba(96,165,250,0.08);
}
[data-theme="dark"] .skill-card__list li,
[data-theme="dark"] .project-card__tech .tech-tag {
  color: #fff;
  background: rgba(96,165,250,0.18);
}
.header, .nav, .footer, .about__photo-placeholder, .about__photo-overlay {
  background: var(--card-bg);
  color: var(--text);
}
/* Botón de cambio de tema */
.theme-toggle {
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.theme-toggle:hover {
  border-color: var(--primary);
}

/* ===== ESTILOS BASE ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* === FONDOS Y SECCIONES === */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
  overflow-x: hidden;
}
.hero, .about, .skills, .experience, .contact {
  background: var(--bg);
  transition: background 0.3s;
}
.container, .about__main, .about__profile, .about__stats {
  background: transparent;
}

/* === TARJETAS Y ELEMENTOS === */
.skill-card, .project-card, .metric-card, .chart-card, .timeline__content, .stat, .about__info-item {
  background: var(--card-bg);
  color: var(--text);
  border: 1.5px solid var(--border);
  border-radius: 1.1rem;
  box-shadow: 0 4px 24px 0 rgba(31, 38, 135, 0.07);
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}

/* === BOTONES === */
.btn, .btn--primary, .btn--secondary, .btn-modern {
  border-radius: 0.7rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(37,99,235,0.08);
  border: none;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.btn--primary, .btn-modern {
  background: var(--primary);
  color: #fff;
}
.btn--primary:hover, .btn-modern:hover {
  background: #00eaff;
  color: #23272e;
  box-shadow: 0 4px 16px #00eaff44;
}
.btn--secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn--secondary:hover {
  background: var(--primary);
  color: #fff;
}

/* === TEXTOS === */
.section-title, .about__photo-initials, .timeline__title {
  color: var(--primary);
  letter-spacing: 0.01em;
}
[data-theme="dark"] .section-title, [data-theme="dark"] .about__photo-initials, [data-theme="dark"] .timeline__title {
  color: #60a5fa;
}
.section-title {
  text-shadow: none;
}

/* === HEADER Y NAVEGACIÓN ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: background var(--transition-normal), border-color var(--transition-normal);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.nav__logo {
    display: flex;
    align-items: center;
}

.nav__logo-image {
    height: 40px;
    width: auto;
    transition: var(--transition-normal);
}

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

.nav__logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--accent-color, #06b6d4));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav__link {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav__link:hover {
    color: var(--primary);
}

.nav__link--cta {
    background: var(--primary);
    color: #fff;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-normal);
}

.nav__link--cta:hover {
    background: var(--primary-dark, #1d4ed8);
    color: #fff;
    transform: translateY(-2px);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg) 0%, var(--card-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 500px;
}

.hero__title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero__name {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--text);
    line-height: 1.1;
}

.hero__role {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--accent-color, #06b6d4));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===== BOTONES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    gap: var(--spacing-xs);
}

.btn--primary {
    background: var(--primary-color);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn--secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

/* ===== SECCIONES GENERALES ===== */
.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

/* ===== SOBRE MÍ SECTION ===== */
.about {
    padding: var(--spacing-2xl) 0;
    background: var(--card-bg);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-2xl);
    align-items: start;
}

.about__main {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about__profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.about__photo-container {
    position: relative;
    width: 280px;
    height: 280px;
}

.about__photo {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 6px solid var(--bg-card);
    transition: var(--transition-normal);
    background: var(--bg-card);
}

.about__photo:hover {
    transform: scale(1.05);
}

.about__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
    border-radius: 50%;
}

.about__photo-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--text-white);
    border-radius: 50%;
    text-align: center;
}

.about__photo-initials {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 2px;
}

.about__photo-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    opacity: 0.9;
}

.about__photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(6, 182, 212, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.about__photo:hover .about__photo-overlay {
    opacity: 1;
}

.about__photo-icon {
    color: var(--text-white);
    font-size: var(--font-size-3xl);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.about__photo-decoration {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.2;
    animation: rotate 30s linear infinite;
}

.about__photo-decoration::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 1px solid var(--accent-color);
    border-radius: 50%;
    opacity: 0.4;
    animation: rotate 20s linear infinite reverse;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.about__quick-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
}

.about__info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.about__info-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.about__info-item i {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    width: 20px;
}

.about__info-item span {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.about__text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about__description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 0;
}

.about__cta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.about__stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.stat__number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.stat__label {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    font-weight: 500;
}

/* ===== HABILIDADES SECTION ===== */
.skills {
    padding: var(--spacing-2xl) 0;
    background: var(--bg);
}

/* Eliminado .skills__grid conflictivo - usando .skills-grid en su lugar */

.skill-category {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.skill-category__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.skill-category__title i {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.skill-tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

.skill-tag:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-1px);
}

/* ===== PROYECTOS SECTION ===== */
.projects {
    padding: var(--spacing-2xl) 0;
    background: var(--bg);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-card__header {
    margin-bottom: var(--spacing-md);
}

/* Títulos de tarjetas de proyectos destacados */
.project-card__title {
  color: var(--text);
  transition: color 0.3s;
}
[data-theme="dark"] .project-card__title {
  color: #e0e0e0;
  text-shadow: none;
  opacity: 1;
}

/* Descripciones de tarjetas de proyectos destacados */
.project-card__description {
  color: var(--text-light);
  transition: color 0.3s;
}
[data-theme="dark"] .project-card__description {
  color: #b0b0b0;
  text-shadow: none;
  opacity: 1;
}

.project-card__links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.project-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

.project-link:hover {
    color: var(--primary-dark);
    transform: translateX(2px);
}

/* ===== EXPERIENCIA SECTION ===== */
.experience {
    padding: var(--spacing-2xl) 0;
    background: var(--bg);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline__item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: 60px;
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
}

.timeline__content {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.timeline__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.timeline__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text);
}

.timeline__period {
    background: var(--primary);
    color: #fff;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.timeline__description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.timeline__achievements h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline__achievements ul {
    list-style: none;
    padding-left: 0;
}

.timeline__achievements li {
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
}

.timeline__achievements li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ===== CONTACTO SECTION ===== */
.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--bg);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact__description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.contact__links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
}

.contact__link:hover {
    color: var(--primary-color);
    background: var(--bg-card);
    transform: translateX(5px);
}

.contact__link i {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    width: 20px;
}

/* ===== FORMULARIO ===== */
.form {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.form__group {
    margin-bottom: var(--spacing-md);
}

.form__input,
.form__textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--bg-secondary);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    background: var(--bg-primary);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

/* === FOOTER ===== */
.footer {
    background: var(--card-bg);
    color: var(--text);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer__social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    color: var(--text-light);
    font-size: var(--font-size-lg);
    transition: var(--transition-fast);
}

.social-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* === RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav__menu {
        display: none;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .hero__name {
        font-size: var(--font-size-4xl);
    }
    
    .hero__role {
        font-size: var(--font-size-xl);
    }
    
    .hero__buttons {
        justify-content: center;
    }
    
    .about__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about__main {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .about__profile {
        order: -1;
    }
    
    .about__photo-container {
        width: 220px;
        height: 220px;
        margin: 0 auto;
    }
    
    .about__quick-info {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .about__cta {
        justify-content: center;
    }
    
    .about__stats {
        flex-direction: row;
        justify-content: space-around;
    }
    
    /* Eliminado .skills__grid conflictivo */
    
    .projects__grid {
        grid-template-columns: 1fr;
    }
    
    .contact__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline__item {
        padding-left: 40px;
    }
    
    .timeline__item::before {
        left: 2px;
    }
    
    .footer__content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero__name {
        font-size: var(--font-size-3xl);
    }
    
    .hero__role {
        font-size: var(--font-size-lg);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ===== ANIMACIONES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== UTILIDADES ===== */
.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* ===== MODAL DE PROYECTOS ===== */
.project-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100vw;
    height: 100vh;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.project-modal[aria-hidden="false"] {
    display: flex;
    pointer-events: auto;
}
.project-modal__overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(30, 41, 59, 0.75);
    backdrop-filter: blur(2px);
    z-index: 1;
    animation: fadeIn 0.3s;
}
.project-modal__content {
    position: relative;
    z-index: 2;
    background: var(--bg-card);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 540px;
    width: 95vw;
    padding: var(--spacing-2xl) var(--spacing-xl);
    animation: modalIn 0.4s cubic-bezier(.4,2,.6,1) both;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}
.project-modal__close {
    background: none;
    border: none;
    font-size: 2.2rem;
    color: var(--primary-color);
    cursor: pointer;
    position: absolute;
    top: 18px;
    right: 28px;
    z-index: 3;
    transition: color 0.2s;
}
.project-modal__close:hover {
    color: var(--accent-color);
}
.project-modal__body {
    width: 100%;
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-lg);
}
.project-modal__img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    margin-bottom: var(--spacing-md);
    max-height: 220px;
}
.project-modal__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}
.project-modal__desc {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}
.project-modal__techs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}
.project-modal__tech {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 4px 12px;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}
.project-modal__links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}
.project-modal__link {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-color);
    color: var(--text-white);
    padding: 10px 22px;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    text-decoration: none;
    font-size: var(--font-size-base);
    box-shadow: var(--shadow-md);
    transition: background 0.2s, transform 0.2s;
}
.project-modal__link:hover {
    background: var(--primary-color);
    transform: translateY(-2px) scale(1.04);
}
@media (max-width: 600px) {
    .project-modal__content {
        padding: var(--spacing-lg) var(--spacing-sm);
        max-width: 98vw;
    }
    .project-modal__img {
        max-height: 140px;
    }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(60px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* === Tarjetas de habilidades técnicas === */
/* Eliminado .skills-cards-grid conflictivo - usando .skills-grid en su lugar */
.skill-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 1.2rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  padding: 2rem 1.2rem 1.5rem 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.18s, box-shadow 0.18s;
}
.skill-card:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 8px 32px rgba(37,99,235,0.10);
  border-color: var(--primary, #2563eb);
}
.skill-card__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin-bottom: 1.1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.skill-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
  text-align: center;
}
.skill-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.skill-card__list li {
  font-size: 1rem;
  color: var(--text, #222);
  background: rgba(37,99,235,0.04);
  border-radius: 0.5rem;
  padding: 0.3rem 0.7rem;
  display: inline-block;
  margin: 0 auto;
  transition: background 0.2s;
}
.skill-card__list li:hover {
  background: var(--primary, #2563eb);
  color: #fff;
}
@media (max-width: 600px) {
  /* Eliminado .skills-cards-grid conflictivo */
  .skill-card {
    padding: 1.2rem 0.7rem 1rem 0.7rem;
  }
  .skill-card__icon {
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
  }
}

/* === Cube Loader Decorativo === */
.cube-loader {
  position: absolute;
  top: 20%;
  right: 10%;
  width: 100px;
  height: 100px;
  transform-style: preserve-3d;
  transform: rotateX(-30deg);
  animation: animate 4s linear infinite;
  z-index: 10;
}

@media (max-width: 1200px) {
  .cube-loader {
    top: 15%;
    right: 5%;
    width: 90px;
    height: 90px;
  }
}

@media (max-width: 768px) {
  .cube-loader {
    top: 10%;
    right: 5%;
    width: 80px;
    height: 80px;
  }
}

@media (max-width: 480px) {
  .cube-loader {
    top: 8%;
    right: 3%;
    width: 70px;
    height: 70px;
  }
}
@keyframes animate {
  0% {
    transform: rotateX(-30deg) rotateY(0);
  }
  100% {
    transform: rotateX(-30deg) rotateY(360deg);
  }
}
.cube-loader .cube-wrapper {
  position: absolute;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}
.cube-loader .cube-wrapper .cube-span {
  position: absolute;
  width: 100%;
  height: 100%;
  transform: rotateY(calc(90deg * var(--i))) translateZ(50px);
  background: linear-gradient(
    to bottom,
    hsl(200, 80%, 50%) 0%,
    hsl(200, 80%, 60%) 100%
  );
}
.cube-top {
  position: absolute;
  width: 100px;
  height: 100px;
  background: hsl(200, 80%, 50%);
  transform: rotateX(90deg) translateZ(50px);
  transform-style: preserve-3d;
}
.cube-top::before {
  content: '';
  position: absolute;
  width: 100px;
  height: 100px;
  background: hsl(200, 80%, 60%);
  transform: translateZ(-100px);
  filter: blur(10px);
  box-shadow: 0 0 10px #333,
              0 0 20px hsl(200, 80%, 60%),
              0 0 30px #333,
              0 0 40px hsl(200, 80%, 60%);
}

/* Ajustes para cube-loader en modo oscuro */
[data-theme="dark"] .cube-loader .cube-top,
[data-theme="dark"] .cube-loader .cube-wrapper .cube-span {
  background: linear-gradient(
    to bottom,
    hsl(200, 80%, 30%) 0%,
    hsl(200, 80%, 40%) 100%
  ) !important;
}
[data-theme="dark"] .cube-top {
  background: hsl(200, 80%, 30%) !important;
}
[data-theme="dark"] .cube-top::before {
  background: hsl(200, 80%, 40%) !important;
}

/* === Paleta de colores animada === */
.palette-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
  background: var(--palette-bg, #f4f6fa);
  border-radius: 1.2rem;
  padding: 1.5rem 0.5rem;
  transition: background 0.3s;
}
[data-theme="dark"] .palette-section {
  --palette-bg: #212121;
  background: var(--palette-bg, #212121);
}
.palette-title {
  font-size: 1.2rem;
  font-weight: 600;
  text-align: center;
  color: var(--primary);
  margin-bottom: 0.7rem;
  max-width: 600px;
}
[data-theme="dark"] .palette-title {
  color: #60a5fa;
}
.palette-title-destacada {
  font-size: 2.3rem;
  letter-spacing: 0.08em;
  background: linear-gradient(90deg,
    #e11d48 0%,
    #f472b6 12%,
    #fb923c 24%,
    #facc15 36%,
    #84cc16 48%,
    #10b981 60%,
    #0ea5e9 72%,
    #3b82f6 82%,
    #8b5cf6 91%,
    #a78bfa 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  transition: background-position 0.7s cubic-bezier(0.4,0.2,0.2,1);
}
.palette-title-destacada:hover {
  background-position: 100% 0;
  animation: gradientMove 1.5s linear infinite alternate;
}
@keyframes gradientMove {
  0% { background-position: 0% 0; }
  100% { background-position: 100% 0; }
}
[data-theme="dark"] .palette-title-destacada {
  background: linear-gradient(90deg,
    #e11d48 0%,
    #f472b6 12%,
    #fb923c 24%,
    #facc15 36%,
    #84cc16 48%,
    #10b981 60%,
    #0ea5e9 72%,
    #3b82f6 82%,
    #8b5cf6 91%,
    #a78bfa 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  text-shadow: 0 2px 16px #fff, 0 0 2px #fff, 0 1px 0 #fff8;
}
.container-items {
  display: flex;
  transform-style: preserve-3d;
  transform: perspective(1000px);
  gap: 0.5rem;
}
.item-color {
  position: relative;
  flex-shrink: 0;
  width: 32px;
  height: 40px;
  border: none;
  outline: none;
  background: transparent;
  cursor: pointer;
  transition: transform 500ms cubic-bezier(0.175, 0.885, 0.32, 1.1), z-index 0.2s;
}
.item-color::after {
  position: absolute;
  content: "";
  inset: 0;
  width: 40px;
  height: 40px;
  background-color: var(--color);
  border-radius: 6px;
  transform: scale(1.2);
  pointer-events: none;
  transition: transform 500ms cubic-bezier(0.175, 0.885, 0.32, 1.1);
  z-index: 1;
}
.item-color::before {
  position: absolute;
  content: attr(aria-label);
  left: 50%;
  bottom: 52px;
  font-size: 12px;
  line-height: 16px;
  transform: translateX(-50%);
  padding: 4px 0.5rem;
  background-color: #fff;
  color: #222;
  border-radius: 6px;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  box-shadow: 0 2px 8px #0002;
  transition: 300ms cubic-bezier(0.175, 0.885, 0.32, 1.1);
  z-index: 2;
  font-weight: 600;
}
[data-theme="dark"] .item-color::before {
  background-color: #23272e;
  color: #e6e6e6;
  box-shadow: 0 2px 12px #0008;
}
.item-color:hover {
  transform: scale(1.5);
  z-index: 3;
}
.item-color:hover + .item-color {
  transform: scale(1.2);
  z-index: 2;
}
.item-color:hover + .item-color + .item-color {
  transform: scale(1.1);
  z-index: 1;
}
.item-color:has(+ .item-color:hover) {
  transform: scale(1.2);
  z-index: 2;
}
.item-color:has(+ .item-color + .item-color:hover) {
  transform: scale(1.1);
  z-index: 1;
}
.item-color:hover::before {
  opacity: 1;
  visibility: visible;
}

/* Mostrar el tooltip de "Confianza" por defecto */
.item-color[aria-label="Confianza"]::before {
  opacity: var(--tooltip-opacity, 1);
  visibility: var(--tooltip-visibility, visible);
}
.item-color:focus {
  outline: 2px solid var(--primary);
}
@media (max-width: 600px) {
  .container-items {
    gap: 0.2rem;
  }
  .palette-title {
    font-size: 1rem;
    max-width: 95vw;
  }
}

/* === Carrusel de habilidades técnicas === */
.skills-carousel-container {
    position: relative;
    margin-top: 2.5rem;
    margin-bottom: 2.5rem;
    padding: 0 60px;
}

.skills-carousel {
    overflow: hidden;
    position: relative;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.skills-carousel:active {
    cursor: grabbing;
}

.skills-carousel-track {
    display: flex;
    gap: 2rem;
    transition: transform 0.3s ease;
    touch-action: pan-x;
}

.skills-carousel-track .skill-card {
    flex-shrink: 0;
    width: calc((100% - 4rem) / 3); /* 3 tarjetas con 2 gaps de 2rem */
}

/* ===== INDICADORES DE DESLIZAMIENTO MODERNOS ===== */
.swipe-hint {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding: 1rem;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.swipe-hint__dots {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.swipe-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.3;
    transition: all 0.3s ease;
    animation: dotPulse 2s ease-in-out infinite;
}

.swipe-dot:nth-child(1) { animation-delay: 0s; }
.swipe-dot:nth-child(2) { animation-delay: 0.3s; }
.swipe-dot:nth-child(3) { animation-delay: 0.6s; }

@keyframes dotPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.swipe-hint__text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.swipe-icon {
    width: 16px;
    height: 16px;
    color: var(--primary);
    animation: swipeSlide 2s ease-in-out infinite;
}

@keyframes swipeSlide {
    0%, 100% {
        transform: translateX(0);
        opacity: 0.7;
    }
    50% {
        transform: translateX(4px);
        opacity: 1;
    }
}

/* Mostrar indicadores solo en móvil */
@media (max-width: 768px) {
    .swipe-hint {
        display: flex;
    }
    
    .swipe-hint__text {
        font-size: 0.8rem;
    }
    
    .swipe-icon {
        width: 14px;
        height: 14px;
    }
}

@media (max-width: 480px) {
    .swipe-hint {
        margin-top: 1rem;
        padding: 0.75rem;
    }
    
    .swipe-hint__text {
        font-size: 0.75rem;
    }
    
    .swipe-icon {
        width: 12px;
        height: 12px;
    }
    
    .swipe-dot {
        width: 5px;
        height: 5px;
    }
}

.skills-nav-btn {
    position: relative;
    z-index: 10;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: var(--card-bg);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 24px 0 rgba(31, 38, 135, 0.07);
    transition: all 0.3s ease;
    flex-shrink: 0;
    border: 1.5px solid var(--border);
}

.skills-nav-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1);
    box-shadow: 0 8px 32px 0 rgba(37,99,235,0.12);
    border-color: var(--primary);
}

.skills-nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.skills-nav-btn i {
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

[data-theme="dark"] .skills-nav-btn {
    background: #2a2a2a;
    color: #e0e0e0;
    border-color: #404040;
}

[data-theme="dark"] .skills-nav-btn:hover {
    background: #60a5fa;
    color: #fff;
    border-color: #60a5fa;
}

/* === Grid simple de habilidades técnicas === */
.skills-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 2rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0.5rem 0;
    flex: 1;
    min-width: 100%;
}

.skills-grid::-webkit-scrollbar {
    display: none;
}
.skill-card-simple {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px 0 rgba(31, 38, 135, 0.07);
  padding: 2.5rem 1.5rem 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 1.2rem;
  min-height: 320px;
  transition: all 0.3s ease;
  position: relative;
  overflow: visible;
}
.skill-card-simple:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 32px 0 rgba(37,99,235,0.12);
  border-color: var(--primary);
}
.skill-card-simple .skill-card__icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
  background: rgba(37,99,235,0.08);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
[data-theme="dark"] .skill-card-simple .skill-card__icon {
  color: #60a5fa;
  background: rgba(96,165,250,0.12);
}
.skill-card-simple:hover .skill-card__icon {
  transform: scale(1.1);
  background: rgba(37,99,235,0.15);
}
.skill-card-simple .skill-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  text-align: center;
  color: var(--text);
  line-height: 1.3;
}
.skill-card-simple .skill-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}
.skill-card-simple .skill-card__list li {
  font-size: 1rem;
  color: var(--text-light);
  background: rgba(37,99,235,0.04);
  border-radius: 0.6rem;
  padding: 0.4rem 0.8rem;
  display: inline-block;
  margin: 0 auto;
  transition: all 0.2s ease;
  font-weight: 500;
}
[data-theme="dark"] .skill-card-simple .skill-card__list li {
  color: #b0b0b0;
  background: rgba(96,165,250,0.08);
}
.skill-card-simple .skill-card__list li:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .skills-carousel-container {
    padding: 0 60px;
    margin: 0 -20px;
  }
  
  .skills-nav-btn {
    width: 40px;
    height: 40px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
  }
  
  .skills-nav-btn--prev {
    left: 10px;
  }
  
  .skills-nav-btn--next {
    right: 10px;
  }
  
  .skills-nav-btn i {
    font-size: 1rem;
  }
  
  .skills-carousel-track {
    gap: 1rem;
  }
  
  .skills-carousel-track .skill-card {
    width: calc((100% - 2rem) / 3);
  }
  
  .skill-card-simple {
    padding: 1.5rem 1rem 1rem 1rem;
    min-height: 260px;
  }
  .skill-card-simple .skill-card__icon {
    font-size: 1.8rem;
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 480px) {
  .skills-carousel-container {
    padding: 0 50px;
    margin: 0 -15px;
  }
  
  .skills-nav-btn {
    width: 36px;
    height: 36px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
  }
  
  .skills-nav-btn--prev {
    left: 8px;
  }
  
  .skills-nav-btn--next {
    right: 8px;
  }
  
  .skills-nav-btn i {
    font-size: 0.9rem;
  }
  
  .skills-carousel-track {
    gap: 0.8rem;
  }
  
  .skills-carousel-track .skill-card {
    width: calc((100% - 1.6rem) / 3);
  }
  
  .skill-card-simple {
    padding: 1.2rem 0.8rem 0.8rem 0.8rem;
    min-height: 240px;
  }
  .skill-card-simple .skill-card__icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
  }
  .skill-card-simple .skill-card__title {
    font-size: 1rem;
  }
  .skill-card-simple .skill-card__list li {
    font-size: 0.9rem;
    padding: 0.3rem 0.6rem;
  }
}

/* Flechas minimalistas */
.carousel-arrow {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: all 0.3s ease;
  opacity: 0.7;
}
.carousel-arrow:hover {
  opacity: 1;
  color: var(--primary);
  transform: scale(1.1);
}
[data-theme="dark"] .carousel-arrow {
  color: #60a5fa;
}
.carousel-arrow:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 600px) {
  .skills-carousel-container {
    padding: 0 4vw;
    max-width: 100vw;
    min-width: 0;
  }
  .skills-carousel {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100vw;
    min-width: 0;
  }
  .skills-carousel-track {
    gap: 0.5rem;
    min-width: 600px;
  }
  .skills-carousel-track .skill-card {
    width: 160px;
    min-width: 140px;
    max-width: 180px;
  }
  .skill-card-simple {
    padding: 0.7rem 0.4rem 0.7rem 0.4rem;
    min-height: 180px;
    max-width: 95vw;
  }
  .skill-card-simple .skill-card__icon {
    font-size: 1.1rem;
    width: 36px;
    height: 36px;
  }
  .skill-card-simple .skill-card__title {
    font-size: 0.95rem;
  }
  .skill-card-simple .skill-card__list li {
    font-size: 0.8rem;
    padding: 0.2rem 0.4rem;
  }
  .palette-title-destacada {
    font-size: 1.2rem;
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
    padding: 0 0.5rem;
    word-break: break-word;
  }
  .palette-section {
    padding: 1rem 0.2rem;
    gap: 0.5rem;
  }
  .container-items {
    gap: 0.2rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  .item-color {
    width: 24px;
    height: 30px;
  }
  .item-color::after {
    width: 30px;
    height: 30px;
  }
  .item-color::before {
    font-size: 8px;
    left: 50%;
    bottom: 36px;
    padding: 2px 0.2rem;
  }
  .hero {
    min-height: 80vh;
    padding-top: 3.5rem;
    padding-bottom: 1.5rem;
  }
  .hero__container {
    padding: 0 0.5rem;
    gap: 1rem;
  }
  .hero__name {
    font-size: 1.5rem;
  }
  .hero__role {
    font-size: 1.1rem;
  }
  .hero__description {
    font-size: 1rem;
  }
  .hero__visual {
    margin-top: 1.2rem;
    max-width: 95vw;
  }
  .hero__code-animation {
    min-width: 0;
    max-width: 98vw;
    padding: 1rem 0.5rem;
    font-size: 0.9rem;
  }
  .about__content, .about__main {
    gap: 0.7rem;
    padding: 0;
  }
  .about__photo-container {
    width: 120px;
    height: 120px;
  }
  .about__photo-initials {
    font-size: 1.2rem;
  }
  .about__stats {
    flex-direction: column;
    gap: 0.5rem;
  }
  .stat {
    padding: 0.7rem;
  }
  .projects__grid {
    gap: 1rem;
  }
  .project-card {
    padding: 1rem;
  }
  .section-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
  }
  .container {
    padding: 0 0.3rem;
  }
  .contact__content {
    gap: 0.7rem;
  }
  .footer__content {
    padding: 0.5rem 0;
  }
}

/* Theme Switch */
.switch {
  font-size: 17px;
  position: relative;
  display: inline-block;
  width: 4em;
  height: 2.2em;
  border-radius: 30px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #2a2a2a;
  transition: 0.4s;
  border-radius: 30px;
  overflow: hidden;
}
.slider:before {
  position: absolute;
  content: "";
  height: 1.2em;
  width: 1.2em;
  border-radius: 20px;
  left: 0.5em;
  bottom: 0.5em;
  transition: 0.4s;
  transition-timing-function: cubic-bezier(0.81, -0.04, 0.38, 1.5);
  box-shadow: inset 8px -4px 0px 0px #fff;
}
.switch input:checked + .slider {
  background-color: #00a6ff;
}
.switch input:checked + .slider:before {
  transform: translateX(1.8em);
  box-shadow: inset 15px -4px 0px 15px #ffcf48;
}
.star {
  background-color: #fff;
  border-radius: 50%;
  position: absolute;
  width: 5px;
  transition: all 0.4s;
  height: 5px;
}
.star_1 {
  left: 2.5em;
  top: 0.5em;
}
.star_2 {
  left: 2.2em;
  top: 1.2em;
}
.star_3 {
  left: 3em;
  top: 0.9em;
}
.switch input:checked ~ .slider .star {
  opacity: 0;
}
.cloud {
  width: 3.5em;
  position: absolute;
  bottom: -1.4em;
  left: -1.1em;
  opacity: 0;
  transition: all 0.4s;
}
.switch input:checked ~ .slider .cloud {
  opacity: 1;
}
[data-theme="dark"] .header {
  background: var(--card-bg) !important;
  border-bottom: 1px solid var(--border) !important;
  backdrop-filter: blur(10px);
}

[data-theme="dark"] .nav {
  background: transparent;
}

[data-theme="dark"] .nav__toggle span {
  background: var(--text);
}

/* === MEJORAS RESPONSIVAS ADICIONALES === */

/* Desktop grande */
@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }
  
  .hero__name {
    font-size: var(--font-size-5xl);
  }
  
  .hero__role {
    font-size: var(--font-size-2xl);
  }
  
  .projects__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop mediano */
@media (max-width: 1200px) and (min-width: 1025px) {
  .hero__container {
    gap: var(--spacing-xl);
  }
  
  .about__main {
    gap: var(--spacing-xl);
  }
  
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet grande */
@media (max-width: 1024px) and (min-width: 769px) {
  .hero__name {
    font-size: var(--font-size-4xl);
  }
  
  .hero__role {
    font-size: var(--font-size-xl);
  }
  
  .about__photo-container {
    width: 280px;
    height: 280px;
  }
  
  .skills-carousel-track .skill-card {
    min-width: 300px;
  }
}

/* Mejoras para móviles pequeños */
@media (max-width: 375px) {
  .container {
    padding: 0 var(--spacing-xs);
  }
  
  .hero__name {
    font-size: var(--font-size-2xl);
  }
  
  .hero__role {
    font-size: var(--font-size-base);
  }
  
  .hero__description {
    font-size: var(--font-size-sm);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .about__photo-container {
    width: 180px;
    height: 180px;
  }
  
  .about__stats {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .stat {
    text-align: center;
  }
  
  .skills-carousel-track .skill-card {
    min-width: 220px;
  }
  
  .palette-title-destacada {
    font-size: 1.4rem;
  }
  
  .item-color {
    width: 24px;
    height: 30px;
  }
  
  .item-color::after {
    width: 30px;
    height: 30px;
  }
}

/* Mejoras para dispositivos táctiles */
@media (hover: none) and (pointer: coarse) {
  .nav__link:hover {
    transform: none;
  }
  
  .btn:hover {
    transform: none;
  }
  
  .project-card:hover {
    transform: none;
  }
  
  .skill-card:hover {
    transform: none;
  }
  
  .item-color:hover {
    transform: scale(1.1) !important;
  }
  
  /* Aumentar áreas táctiles */
  .nav__link {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .btn {
    min-height: 44px;
    padding: var(--spacing-sm) var(--spacing-lg);
  }
  
  .project-link {
    padding: var(--spacing-xs) var(--spacing-md);
    min-height: 36px;
  }
}

/* Mejoras para orientación landscape en móviles */
@media (max-width: 768px) and (orientation: landscape) {
  .hero {
    min-height: 100vh;
    padding: var(--spacing-lg) 0;
  }
  
  .hero__container {
    gap: var(--spacing-md);
  }
  
  .hero__name {
    font-size: var(--font-size-3xl);
  }
  
  .hero__role {
    font-size: var(--font-size-lg);
  }
  
  .about__photo-container {
    width: 200px;
    height: 200px;
  }
  
  .about__stats {
    flex-direction: row;
    justify-content: space-around;
  }
}

/* Mejoras para pantallas de alta densidad */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero__code-animation {
    font-weight: 300;
  }
  
  .skill-card__icon {
    font-weight: 300;
  }
}

/* Mejoras para modo oscuro en dispositivos móviles */
@media (max-width: 768px) {
  [data-theme="dark"] .project-card {
    background: #2a2f3a;
    border-color: #3a3f4a;
  }
  
  [data-theme="dark"] .project-card:hover {
    background: #323742;
    border-color: #4a4f5a;
  }
  
  [data-theme="dark"] .skill-card {
    background: #2a2f3a;
    border-color: #3a3f4a;
  }
  
  [data-theme="dark"] .skill-card:hover {
    background: #323742;
    border-color: #4a4f5a;
  }
}