@charset "utf-8";
/* CSS principal del portfolio: reset, colores, layout, animaciones y responsive */


/* ========== RESET BÁSICO Y VARIABLES ========== */

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

/* Paleta de colores y variables reutilizables */
:root {
    --primary-black: #0a0a0a;
    --carbon-dark: #121212;
    --carbon-medium: #1a1a1a;
    --carbon-light: #2a2a2a;
    --metal-dark: #3a3a3a;
    --metal-light: #4a4a4a;
    --accent-red: #ff3333;
    --accent-blue: #00a8ff;
    --accent-green: #00ff88;
    --accent-purple: #9945ff;
    --accent-cyan: #00ffff;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-dim: #808080;
}

html {
    scroll-behavior: smooth;
}

/* Fuente, fondo y comportamiento general del body */
body {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    background: var(--primary-black);
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
}


/* ========== FONDOS ANIMADOS (CARBON Y GRID) ========== */

/* Patrón de fibra de carbono de fondo */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.03) 2px,
            rgba(255, 255, 255, 0.03) 4px),
        repeating-linear-gradient(90deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.03) 2px,
            rgba(255, 255, 255, 0.03) 4px),
        linear-gradient(135deg,
            var(--primary-black) 0%,
            var(--carbon-dark) 25%,
            var(--carbon-medium) 50%,
            var(--carbon-dark) 75%,
            var(--primary-black) 100%);
    z-index: -2;
}

/* Rejilla roja animada por encima del fondo */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 51, 51, 0.05) 2px, transparent 2px),
        linear-gradient(90deg, rgba(255, 51, 51, 0.05) 2px, transparent 2px);
    background-size: 150px 150px;
    animation: gridMove 20s linear infinite;
    z-index: -1;
    opacity: 0.5;
}

/* Animación de movimiento de la rejilla */
@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(150px, 150px);
    }
}


/* ========== PANTALLA DE CARGA (LOADER) ========== */

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--primary-black);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

/* Clase que esconde el loader tras la carga */
.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

/* Prisma central del loader */
.loader-prism {
    width: 100px;
    height: 100px;
    position: relative;
    margin: 0 auto 30px;
}

.prism-face {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    transform-origin: center;
    animation: prismRotate 3s linear infinite;
}

/* Caras del prisma con degradados de color */
.prism-face:nth-child(1) {
    border-image: linear-gradient(45deg, var(--accent-red), var(--accent-blue)) 1;
    animation-delay: 0s;
}

.prism-face:nth-child(2) {
    border-image: linear-gradient(45deg, var(--accent-blue), var(--accent-green)) 1;
    transform: rotate(60deg);
    animation-delay: 0.2s;
}

.prism-face:nth-child(3) {
    border-image: linear-gradient(45deg, var(--accent-green), var(--accent-purple)) 1;
    transform: rotate(120deg);
    animation-delay: 0.4s;
}

/* Rotación del prisma */
@keyframes prismRotate {
    0% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(1.2);
    }
    100% {
        transform: rotate(360deg) scale(1);
    }
}


/* ========== CABECERA Y NAVEGACIÓN ========== */

/* Header fijo con fondo semitransparente */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(180deg,
            rgba(18, 18, 18, 0.98) 0%,
            rgba(18, 18, 18, 0.9) 50%,
            rgba(18, 18, 18, 0) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

/* Estilo del header al hacer scroll */
.header.scrolled {
    background: rgba(18, 18, 18, 0.98);
    backdrop-filter: blur(30px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

/* Contenedor interno del nav */
.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
}

/* Logo principal (icono + texto) */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
}

.logo-icon {
    width: 45px;
    height: 45px;
    margin-right: 15px;
    position: relative;
}

/* Logo de prisma por defecto del template (el que luego ocultas con CSS inline) */
.logo-prism {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prism-shape {
    width: 30px;
    height: 30px;
    position: relative;
    transform: rotate(45deg);
    background: linear-gradient(135deg,
            var(--accent-red) 0%,
            var(--accent-blue) 33%,
            var(--accent-green) 66%,
            var(--accent-purple) 100%);
    animation: prismShine 3s ease-in-out infinite;
}

/* Efecto shine del prisma del logo */
@keyframes prismShine {
    0%, 100% {
        filter: brightness(1) hue-rotate(0deg);
        transform: rotate(45deg) scale(1);
    }
    50% {
        filter: brightness(1.5) hue-rotate(10deg);
        transform: rotate(45deg) scale(1.1);
    }
}

.prism-shape::before,
.prism-shape::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    opacity: 0.5;
}

.prism-shape::before {
    transform: rotate(60deg);
}

.prism-shape::after {
    transform: rotate(-60deg);
}

/* Texto del logo (nombre) */
.logo-text {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* “Saúl” con degradado */
.logo-text .prism {
    background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* “Martín Sánchez” más suave */
.logo-text .flux {
    color: var(--text-secondary);
    font-weight: 300;
    margin-left: 5px;
}

/* Menú principal */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 10px;
    align-items: center;
}

/* Enlaces del menú */
.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 12px 25px;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 1px;
    font-size: 14px;
}

/* Subrayado animado del menú */
.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    transition: width 0.3s ease;
}

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

.nav-menu a:hover::before,
.nav-menu a.active::before {
    width: 80%;
}

/* Enlace activo en el menú */
.nav-menu a.active {
    color: var(--accent-cyan);
}

/* Botón hamburguesa (solo móvil) */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Animación de la X del menú hamburguesa */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}


/* ========== HERO + CARRUSEL 3D ========== */

/* Sección hero con fondo radial */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 20px 80px;
    background: radial-gradient(ellipse at center,
            rgba(153, 69, 255, 0.1) 0%,
            transparent 50%);
}

/* Contenedor general del carrusel 3D */
.carousel-container {
    width: 100%;
    max-width: 1600px;
    height: 650px;
    perspective: 1200px;
    position: relative;
    padding-top: 60px;
}

/* Escenario 3D del carrusel */
.carousel {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
}

/* Cada item del carrusel */
.carousel-item {
    position: absolute;
    width: 400px;
    height: 500px;
    left: 50%;
    top: 50%;
    transform-style: preserve-3d;
    transition: all 0.8s cubic-bezier(0.4, 0.0, 0.2, 1);
    cursor: pointer;
    transform-origin: center center;
}

/* Tarjeta de proyecto dentro del carrusel */
.carousel-item .card {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--carbon-medium), var(--carbon-dark));
    border: 2px solid var(--metal-dark);
    border-radius: 20px;
    padding: 30px;
    position: relative;
    overflow: hidden;
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.8),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Línea de scan (efecto retro) */
.carousel-item .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.5),
            transparent);
    animation: scanline 3s linear infinite;
}

@keyframes scanline {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(500px);
    }
}

/* Número grande de la tarjeta (01, 02...) */
.card-number {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 72px;
    font-weight: 900;
    color: rgba(153, 69, 255, 0.1);
    font-family: 'Orbitron', monospace;
}

/* Imagen del proyecto */
.card-image {
    width: 100%;
    height: 200px;
    background: var(--carbon-dark);
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--metal-dark);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(50%) contrast(1.2);
    transition: all 0.5s ease;
}

/* Zoom y color al hacer hover en la tarjeta */
.carousel-item:hover .card-image img {
    filter: grayscale(0%) contrast(1.3);
    transform: scale(1.1);
}

/* Título del proyecto */
.card-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Descripción del proyecto */
.card-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 14px;
}

/* Badges de tecnologías usadas */
.card-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tech-badge {
    padding: 5px 12px;
    background: rgba(153, 69, 255, 0.1);
    border: 1px solid var(--accent-purple);
    border-radius: 20px;
    font-size: 12px;
    color: var(--accent-purple);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Botón CTA “Explorar” */
.card-cta {
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border: none;
    border-radius: 30px;
    color: var(--text-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(153, 69, 255, 0.3);
}

.card-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(153, 69, 255, 0.5);
}

/* Controles del carrusel (flechas) */
.carousel-controls {
    position: absolute;
    bottom: -70px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 100;
}

.carousel-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--carbon-medium), var(--carbon-dark));
    border: 2px solid var(--metal-dark);
    border-radius: 50%;
    color: var(--accent-purple);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 5px 15px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.carousel-btn:hover {
    border-color: var(--accent-purple);
    box-shadow:
        0 8px 25px rgba(153, 69, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* Puntos indicadores del carrusel */
.carousel-indicators {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 100;
}

.indicator {
    width: 12px;
    height: 12px;
    background: var(--metal-dark);
    border: 1px solid var(--metal-light);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    box-shadow: 0 0 10px rgba(153, 69, 255, 0.5);
    transform: scale(1.3);
}


/* ========== SECCIÓN FILOSOFÍA / ABOUT ========== */

/* Fondo suave con toque de color */
.philosophy-section {
    padding: 120px 30px;
    background: linear-gradient(180deg,
            var(--primary-black) 0%,
            rgba(153, 69, 255, 0.02) 50%,
            var(--primary-black) 100%);
    position: relative;
    overflow: hidden;
}

.philosophy-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

/* Línea tipo prisma animada arriba */
.prism-line {
    width: 100%;
    height: 2px;
    margin: 0 auto 60px;
    position: relative;
    overflow: hidden;
    background: var(--carbon-medium);
}

.prism-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            var(--accent-red) 20%,
            var(--accent-blue) 40%,
            var(--accent-green) 60%,
            var(--accent-purple) 80%,
            transparent);
    animation: prismSweep 4s ease-in-out infinite;
}

@keyframes prismSweep {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Título grande “Quién es Saúl…” */
.philosophy-headline {
    font-size: 56px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 30px;
    line-height: 1.2;
    background: linear-gradient(135deg,
            var(--accent-cyan) 0%,
            var(--accent-purple) 25%,
            var(--accent-blue) 50%,
            var(--accent-green) 75%,
            var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientFlow 5s ease infinite;
}

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

/* Párrafo principal de presentación */
.philosophy-subheading {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 80px;
    line-height: 1.6;
    font-weight: 300;
}

/* Grid de pilares (logros) */
.philosophy-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    margin-bottom: 60px;
}

/* Tarjeta de cada pilar/logro */
.pillar {
    position: relative;
    padding: 40px 30px;
    background: linear-gradient(135deg,
            rgba(42, 42, 42, 0.2),
            rgba(26, 26, 26, 0.3));
    border: 1px solid var(--metal-dark);
    border-radius: 20px;
    transition: all 0.4s ease;
    overflow: hidden;
}

/* Línea superior que se anima al hover */
.pillar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,
            var(--accent-purple),
            var(--accent-blue),
            var(--accent-green));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.pillar:hover::before {
    transform: scaleX(1);
}

/* Efecto hover en el pilar */
.pillar:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: 0 20px 40px rgba(153, 69, 255, 0.2);
    background: linear-gradient(135deg,
            rgba(153, 69, 255, 0.05),
            rgba(26, 26, 26, 0.3));
}

/* Icono redondo animado arriba de cada pilar */
.pillar-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    position: relative;
}

.pillar-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-radius: 50%;
    opacity: 0.2;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.1;
    }
}

/* Título de logro */
.pillar-title {
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

/* Descripción de pilar (si la usaras) */
.pillar-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.pillar-description a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

/* Efecto subrayado en enlaces del texto de pilar */
.pillar-description a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-cyan);
    transition: width 0.3s ease;
}

.pillar-description a:hover {
    color: var(--accent-purple);
}

.pillar-description a:hover::after {
    width: 100%;
}

/* Contenedor de partículas de fondo en la sección filosofía */
.philosophy-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    pointer-events: none;
}

/* Partículas individuales */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 50%;
    opacity: 0;
    animation: float-particle 20s infinite linear;
}

/* Animación de subida y rotación de partículas */
@keyframes float-particle {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0;
    }
    5% {
        opacity: 1;
    }
    95% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}


/* ========== SECCIÓN MÉTRICAS (STATS) ========== */

/* Fondo tipo banda oscura */
.stats-section {
    padding: 120px 30px;
    background: linear-gradient(180deg,
            var(--primary-black) 0%,
            var(--carbon-dark) 50%,
            var(--primary-black) 100%);
    position: relative;
}

/* Grid de tarjetas de métricas */
.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

/* Tarjeta de cada métrica */
.stat-card {
    background: linear-gradient(135deg,
            rgba(42, 42, 42, 0.5),
            rgba(26, 26, 26, 0.8));
    border: 1px solid var(--metal-dark);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Línea de brillo al pasar el ratón */
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,
            transparent,
            var(--accent-purple),
            transparent);
    animation: none;
}

.stat-card:hover::before {
    animation: slideRight 0.5s ease forwards;
}

@keyframes slideRight {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Efecto hover en tarjeta de métricas */
.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
    box-shadow: 0 15px 35px rgba(153, 69, 255, 0.2);
}

/* Icono circular de la métrica */
.stat-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: var(--text-primary);
    box-shadow: 0 10px 25px rgba(153, 69, 255, 0.3);
}

/* Número grande que se anima con JS */
.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-family: 'Orbitron', monospace;
}

/* Etiqueta corta de la métrica */
.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

/* Descripción breve de la métrica */
.stat-description {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.5;
    padding: 0 10px;
}


/* ========== SECCIÓN SKILLS (ARSENAL) ========== */

/* Fondo para la sección de skills */
.skills-section {
    padding: 120px 30px;
    background: var(--carbon-dark);
    position: relative;
    overflow: hidden;
}

.skills-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Cabecera reutilizada (título + subtítulo) */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

/* Título de sección genérico (Métricas, Arsenal, Contacto…) */
.section-title {
    font-size: 48px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Subtítulo de sección */
.section-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* Grid de hexágonos de habilidades */
.skills-hexagon-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 60px;
}

/* Contenedor de cada hexágono */
.skill-hexagon {
    width: 200px;
    height: 230px;
    position: relative;
    margin: 30px 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.skill-hexagon:hover {
    transform: translateY(-10px);
}

/* Hexágono rotado */
.hexagon-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform: rotate(30deg);
    overflow: hidden;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--carbon-medium), var(--carbon-light));
    border: 2px solid var(--metal-dark);
}

/* Glow al pasar el ratón por skill */
.skill-hexagon:hover .hexagon-inner {
    border-color: var(--accent-purple);
    box-shadow: 0 0 30px rgba(153, 69, 255, 0.5);
}

/* Contenido del hexágono re-rotado */
.hexagon-content {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    transform: rotate(-30deg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Icono de la skill */
.skill-icon-hex {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--accent-purple);
    animation: float 3s ease-in-out infinite;
}

/* Animación de flotación del icono */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Nombre de la skill */
.skill-name-hex {
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin-bottom: 10px;
    text-align: center;
}

/* Barra de nivel de skill */
.skill-level {
    width: 100%;
    height: 4px;
    background: var(--carbon-dark);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.skill-level-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    border-radius: 2px;
    position: relative;
    animation: fillLevel 2s ease-out;
}

/* Animación de llenado de barra */
@keyframes fillLevel {
    0% {
        width: 0;
    }
}

/* Porcentaje de la skill */
.skill-percentage-hex {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 600;
}

/* Pestañas de categorías (Todas, SO, IA, etc.) */
.skill-categories {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 12px 30px;
    background: var(--carbon-medium);
    border: 1px solid var(--metal-dark);
    border-radius: 30px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
}

.category-tab:hover {
    background: rgba(153, 69, 255, 0.1);
    border-color: var(--accent-purple);
    color: var(--text-primary);
}

/* Pestaña activa de categoría */
.category-tab.active {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-color: var(--accent-purple);
    color: var(--text-primary);
    box-shadow: 0 5px 20px rgba(153, 69, 255, 0.3);
}


/* ========== SECCIÓN CONTACTO ========== */

.contact-section {
    padding: 120px 30px;
    background: linear-gradient(180deg,
            var(--carbon-dark) 0%,
            var(--primary-black) 100%);
    position: relative;
}

/* Grid: info a la izquierda, formulario a la derecha */
.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* Tarjeta que agrupa los items de contacto */
.contact-info {
    padding: 40px;
    background: linear-gradient(135deg,
            rgba(42, 42, 42, 0.3),
            rgba(26, 26, 26, 0.5));
    border: 1px solid var(--metal-dark);
    border-radius: 20px;
}

/* Cada item de contacto (maps, mail, tel, calendly) */
.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--carbon-dark);
    border-radius: 10px;
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

/* Destello que cruza el item al hacer hover */
.info-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(153, 69, 255, 0.1),
            transparent);
    transition: left 0.5s ease;
}

.info-item:hover::before {
    left: 100%;
}

/* Efecto hover: se desplaza un poco a la derecha */
.info-item:hover {
    transform: translateX(10px);
    background: rgba(153, 69, 255, 0.1);
    box-shadow: 0 5px 20px rgba(153, 69, 255, 0.2);
}

/* Asegura que los enlaces hereden color */
a.info-item {
    color: inherit;
    text-decoration: none;
}

/* Icono circular de cada info-item */
.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    color: var(--text-primary);
    font-size: 20px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.info-item:hover .info-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 8px 25px rgba(153, 69, 255, 0.4);
}

/* Título del bloque de texto */
.info-text h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

/* Efecto sobre el título en hover */
.info-item:hover .info-text h4 {
    color: var(--accent-cyan);
}

/* Texto principal del item (dirección, mail, etc.) */
.info-text p {
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.info-item:hover .info-text p {
    color: var(--text-primary);
}

/* Indicador “↗” para links externos */
.info-item[target="_blank"] .info-text p::after {
    content: ' ↗';
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.info-item[target="_blank"]:hover .info-text p::after {
    opacity: 1;
}

/* Tarjeta del formulario de contacto */
.contact-form {
    padding: 40px;
    background: linear-gradient(135deg,
            rgba(42, 42, 42, 0.3),
            rgba(26, 26, 26, 0.5));
    border: 1px solid var(--metal-dark);
    border-radius: 20px;
}

/* Grupos de campos del formulario */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--carbon-dark);
    border: 1px solid var(--metal-dark);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

/* Foco en inputs/textarea */
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 10px rgba(153, 69, 255, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Botón de envío del formulario */
.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(153, 69, 255, 0.3);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(153, 69, 255, 0.5);
}


/* ========== FOOTER ========== */

.footer {
    padding: 60px 30px 30px;
    background: var(--primary-black);
    border-top: 1px solid var(--metal-dark);
    position: relative;
}

/* Grid con marca + 3 columnas */
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

/* Columna de marca personal */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 14px;
}

/* Iconos de redes sociales */
.footer-social {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: var(--carbon-medium);
    border: 1px solid var(--metal-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-color: var(--accent-purple);
    color: var(--text-primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(153, 69, 255, 0.3);
}

/* Título de cada columna del footer */
.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 16px;
}

/* Links del footer */
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--accent-purple);
    padding-left: 10px;
}

/* Banda inferior del footer */
.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--metal-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

/* Texto de copyright */
.copyright {
    color: var(--text-dim);
    font-size: 14px;
}

/* Créditos (si se usan) */
.footer-credits {
    color: var(--text-dim);
    font-size: 14px;
}

.footer-credits a {
    color: var(--accent-purple);
    text-decoration: none;
}

.footer-credits a:hover {
    text-decoration: underline;
}


/* ========== SELECTOR DE IDIOMA (PANTALLA INICIAL) ========== */

.language-selector {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #2d1b4e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(10px);
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

/* Ocultar selector de idioma cuando ya se ha elegido */
.language-selector.hidden {
    opacity: 0;
    visibility: hidden;
}

.language-content {
    text-align: center;
    animation: fadeInScale 0.6s ease-out;
}

/* Icono principal (globo, etc.) */
.language-icon {
    font-size: 80px;
    margin-bottom: 30px;
    animation: float 3s ease-in-out infinite;
}

/* Título del selector de idioma */
.language-content h1 {
    color: #fff;
    font-size: 32px;
    margin-bottom: 40px;
    font-weight: 300;
    letter-spacing: 2px;
}

/* Contenedor de botones de idioma */
.language-buttons {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Botón de idioma (ES / EN) */
.lang-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 40px;
    border: 2px solid transparent;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.lang-btn:hover {
    background: rgba(147, 51, 234, 0.3);
    border-color: #9333ea;
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(147, 51, 234, 0.3);
}

/* Emoji/bandera de idioma */
.lang-flag {
    font-size: 32px;
    display: inline-block;
}

.lang-name {
    text-transform: capitalize;
}

/* Animación de entrada del selector */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}


/* ========== RESPONSIVE (TABLET / MÓVIL) ========== */

/* Ajustes para tablets (<= 1024px) */
@media (max-width: 1024px) {
    .carousel-item {
        width: 350px;
        height: 480px;
    }

    .carousel-controls {
        bottom: -60px;
    }

    .card-image {
        height: 170px;
    }

    .card-title {
        font-size: 22px;
    }

    .card-description {
        font-size: 13px;
    }

    .philosophy-pillars {
        grid-template-columns: 1fr;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Ajustes para móviles (<= 768px) */
@media (max-width: 768px) {
    /* Mostrar menú hamburguesa */
    .menu-toggle {
        display: flex;
    }

    /* Menú móvil desplegable */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 85px;
        flex-direction: column;
        background: rgba(18, 18, 18, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 40px 0;
        border-bottom: 1px solid var(--metal-dark);
        gap: 0;
    }

    .nav-menu li {
        margin: 15px 0;
    }

    .nav-menu a {
        display: block;
        padding: 15px 30px;
        font-size: 16px;
    }

    .nav-menu.active {
        left: 0;
    }

    /* Carrusel y tarjetas más pequeñas */
    .carousel-item {
        width: 300px;
        height: 460px;
    }

    .carousel-item .card {
        padding: 20px;
    }

    .card-image {
        height: 150px;
        margin-bottom: 15px;
    }

    .card-title {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .card-description {
        font-size: 13px;
        margin-bottom: 15px;
    }

    .card-tech {
        margin-bottom: 15px;
        gap: 6px;
    }

    .tech-badge {
        padding: 4px 10px;
        font-size: 11px;
    }

    .card-number {
        font-size: 50px;
        top: 15px;
        right: 20px;
    }

    .card-cta {
        padding: 10px 25px;
        font-size: 14px;
    }

    .carousel-controls {
        bottom: -60px;
        gap: 15px;
    }

    .carousel-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .carousel-indicators {
        top: 20px;
        gap: 12px;
    }

    .indicator {
        width: 10px;
        height: 10px;
    }

    /* Títulos más pequeños */
    .philosophy-headline {
        font-size: 36px;
    }

    .section-title {
        font-size: 32px;
    }

    /* Métricas a una columna */
    .stats-grid {
        grid-template-columns: 1fr;
    }

    /* Hexágonos de skills más compactos */
    .skill-hexagon {
        width: 150px;
        height: 170px;
        margin: 20px 5px;
    }

    .skill-icon-hex {
        font-size: 36px;
    }

    .skill-name-hex {
        font-size: 14px;
    }

    /* Footer a una columna y centrado */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}