/* ===================================
   GOOGLE FONTS - INDUSTRIAL TECH
   =================================== */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Roboto+Mono:wght@300;400;500;600&family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
    /* Colores principales - Industrial Tech Premium */
    --color-bg: #0a0a0a;
    /* Negro más profundo */
    --color-bg-focal: #1a1a1a;
    /* Centro del foco */
    --color-bg-secondary: #0f0f0f;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-accent-green: #6fb93f;
    --color-accent-cyan: #00d9ff;
    --color-accent-magenta: #9333ea;
    /* Violeta Plasma */
    --color-accent-orange: #ff6b35;
    --color-steel: #4a5568;
    --color-steel-light: #6b7280;
    --color-dark-gray: #1e1e1e;
    --color-border: rgba(255, 255, 255, 0.08);
    /* Borde sutil */
    --color-border-glow: #00d9ff;
    --color-grid: rgba(0, 217, 255, 0.03);
    /* Rejilla técnica */

    /* Tipografía */
    --font-display: 'Oswald', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Espaciado */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    overflow: hidden;
    height: 100dvh;
    position: relative;

    /* Capa 1: Fondo Gradiente Radial (Profundidad) */
    background: radial-gradient(circle at 50% 50%, var(--color-bg-focal) 0%, var(--color-bg) 100%);
}

/* Capa 2: Rejilla Técnica (Blueprint Grid) */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(var(--color-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

/* Capa 3: Iluminación Ambiental Plasma (Luz secundaria) */
body::after {
    content: '';
    position: fixed;
    top: -20%;
    right: -10%;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle at 50% 50%, rgba(147, 51, 234, 0.08) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    animation: ambientFloat 30s infinite alternate ease-in-out;
}

@keyframes ambientFloat {
    from {
        transform: translate(0, 0) scale(1);
    }

    to {
        transform: translate(-10%, 15%) scale(1.1);
    }
}

/* ===================================
   CAPAS ATMOSFÉRICAS (SCROLL-FREE)
   =================================== */
.ambient-glow {
    position: fixed;
    bottom: -10%;
    left: -10%;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.04) 0%, transparent 70%);
    filter: blur(100px);
    pointer-events: none;
    z-index: 0;
}

.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100dvh;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 1px;
    height: 1px;
    background: var(--color-accent-cyan);
    border-radius: 50%;
    opacity: 0.15;
    filter: blur(0.5px);
}

/* Animación de partículas (Mota de polvo digital) */
.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation: floatParticle 25s infinite linear;
}

.particle:nth-child(2) {
    top: 60%;
    left: 30%;
    animation: floatParticle 35s infinite linear reverse;
}

.particle:nth-child(3) {
    top: 40%;
    left: 80%;
    animation: floatParticle 28s infinite linear;
}

.particle:nth-child(4) {
    top: 10%;
    left: 50%;
    animation: floatParticle 40s infinite linear reverse;
}

.particle:nth-child(5) {
    top: 80%;
    left: 70%;
    animation: floatParticle 32s infinite linear;
}

.particle:nth-child(6) {
    top: 30%;
    left: 20%;
    animation: floatParticle 45s infinite linear reverse;
}

.particle:nth-child(7) {
    top: 70%;
    left: 90%;
    animation: floatParticle 38s infinite linear;
}

.particle:nth-child(8) {
    top: 50%;
    left: 40%;
    animation: floatParticle 30s infinite linear reverse;
}

.particle:nth-child(9) {
    top: 15%;
    left: 85%;
    animation: floatParticle 33s infinite linear;
}

.particle:nth-child(10) {
    top: 85%;
    left: 5%;
    animation: floatParticle 37s infinite linear reverse;
}

@keyframes floatParticle {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }

    20% {
        opacity: 0.3;
    }

    80% {
        opacity: 0.3;
    }

    100% {
        transform: translate(150px, -150px) scale(0.5);
        opacity: 0;
    }
}

/* ===================================
   SCROLL CONTAINER HORIZONTAL
   =================================== */
.scroll-container {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    height: 100dvh;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.scroll-container.dragging {
    scroll-snap-type: none;
    scroll-behavior: auto;
}

.scroll-container::-webkit-scrollbar {
    height: 10px;
}

.scroll-container::-webkit-scrollbar-track {
    background: var(--color-dark-gray);
    border-top: 1px solid var(--color-border);
}

.scroll-container::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-green));
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

.scroll-container::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-cyan);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.8);
}

/* ===================================
   SLIDES BASE
   =================================== */
.slide {
    min-width: 100vw;
    height: 100dvh;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5vh 5vw;
    /* SEÑAL: Reducido de 3vh a 1.5vh para subir el contenido */
    position: relative;
    background: transparent;
    /* Permite ver el fondo inmersivo */
}

/* ===================================
   SLIDE 1: HERO / PORTADA
   =================================== */
.slide-hero {
    background: transparent;
    position: relative;
}

.slide-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 1600px;
    width: 95%;
    z-index: 10;
    position: relative;
    padding-top: 60px;
    /* Safe zone for sticky buttons */
}

.hero-layout {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-photo {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-photo-inner {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-photo img {
    max-width: 100%;
    max-height: 70vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    border: 2px solid var(--color-accent-cyan);
    box-shadow:
        0 0 50px rgba(0, 217, 255, 0.6),
        0 20px 100px rgba(0, 0, 0, 0.8);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.hero-photo:hover img {
    transform: scale(1.02);
    border-color: #fff;
    box-shadow:
        0 0 50px rgba(0, 217, 255, 0.5),
        0 20px 100px rgba(0, 0, 0, 0.7);
}

.hero-photo img:hover {
    transform: scale(1.05);
    box-shadow:
        0 0 60px rgba(0, 217, 255, 0.6),
        0 25px 80px rgba(0, 0, 0, 0.6);
}

/* Anillo decorativo acoplado al wrapper de la foto */
.hero-photo-inner::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border-radius: 50%;
    border: 2px solid var(--color-accent-cyan);
    opacity: 0.3;
    animation: rotate 20s linear infinite;
    pointer-events: none;
    z-index: 1;
}

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

    to {
        transform: rotate(360deg);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.2rem, 8.5vw, 6.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.2rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    background: linear-gradient(135deg, #ffffff 0%, var(--color-accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(0, 217, 255, 0.3);
}

.hero-subtitle {
    font-family: var(--font-main);
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
    border-left: 3px solid var(--color-accent-cyan);
    padding-left: 1.5rem;
}

.hero-tagline {
    font-family: var(--font-mono);
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 700;
    color: var(--color-accent-cyan);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    text-shadow: 0 0 15px rgba(0, 217, 255, 0.4);
}

/* HERO ACTION BUTTON */
.btn-hero-neon {
    display: inline-block;
    margin-top: 2rem;
    margin-bottom: 2.5rem;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(147, 51, 234, 0.1) 100%);
    border: 2px solid var(--color-accent-cyan);
    color: var(--color-text-primary);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
    animation: heroBtnPulse 3s infinite;
}

.btn-hero-neon:hover {
    background: var(--color-accent-cyan);
    color: var(--color-bg);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.6);
    transform: scale(1.05) translateY(-3px);
}

@keyframes heroBtnPulse {

    0%,
    100% {
        box-shadow: 0 0 15px rgba(0, 217, 255, 0.3);
        border-color: var(--color-accent-cyan);
    }

    50% {
        box-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
        border-color: #ffffff;
    }
}

.scroll-indicator {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0.8;
}

.scroll-indicator .arrow {
    font-size: 1.2rem;
    animation: slideRight 1.5s infinite;
}

@keyframes slideRight {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(8px);
    }
}

/* STICKY NAV CONTAINER */
.sticky-nav-container {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    gap: 15px;
    align-items: center;
}

/* STICKY CONTACT BUTTON - HIGH IMPACT VERSION (Used for all nav buttons) */
.sticky-contact {
    text-decoration: none;

    /* Neon Industrial Aesthetic */
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(147, 51, 234, 0.1) 100%);
    border: 1.5px solid var(--color-accent-cyan);
    color: var(--color-text-primary);
    padding: 0.7rem 1.8rem;
    border-radius: 50px;

    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12rem;

    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);

    box-shadow: 0 0 15px rgba(0, 217, 255, 0.3);
}

.sticky-contact:hover {
    background: var(--color-accent-cyan);
    color: var(--color-bg);
    box-shadow:
        0 0 30px rgba(0, 217, 255, 0.6),
        0 0 60px rgba(0, 217, 255, 0.2);
    transform: scale(1.05) translateY(-2px);
    border-color: #ffffff;
}

/* Specific pulse for Contact/Main button */
.nav-contacto {
    animation: contactGlowPulse 4s infinite;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.2) 0%, rgba(147, 51, 234, 0.2) 100%);
    border-width: 2px;
}

@keyframes contactGlowPulse {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(0, 217, 255, 0.4);
        border-color: var(--color-accent-cyan);
    }

    50% {
        box-shadow: 0 0 35px rgba(0, 217, 255, 0.6);
        border-color: #ffffff;
    }
}

@media (max-width: 1024px) {
    .sticky-nav-container {
        top: 20px;
        right: 20px;
        gap: 10px;
    }

    .sticky-contact {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .sticky-nav-container {
        top: 15px;
        right: 15px;
        flex-direction: column;
        align-items: flex-end;
        gap: 8px;
    }

    .sticky-contact {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
        backdrop-filter: blur(20px);
    }
}

/* ===================================
   SLIDE 2: ÍNDICE DE PROYECTOS (NEW)
   =================================== */
.slide-index {
    background: transparent;
}

.index-content {
    max-width: 1400px;
    width: 95%;
    z-index: 10;
    padding-top: 4rem;
    /* SEÑAL: Evitar corte de título arriba */
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    /* Subir un poco para dar aire al footer */
}

.index-header {
    margin-bottom: var(--spacing-sm);
    border-left: 3px solid var(--color-accent-cyan);
    padding-left: 1.5rem;
}

.index-content.index-content-top {
    padding-top: 3rem;
    /* SEÑAL: Reducido de 6rem a 3rem para subir el catálogo y evitar cortes */
}

.index-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 3rem);
    text-transform: uppercase;
    color: var(--color-text-primary);
    line-height: 1.1;
    margin: 0;
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

.index-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.index-item {
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    /* SEÑAL: Acabado premium curvo */
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    aspect-ratio: 16/9;
}

.index-item.item-white {
    background: #ffffff;
    border-color: rgba(0, 217, 255, 0.3);
}

.index-item.item-dark {
    background: #000000;
    border-color: rgba(255, 255, 255, 0.1);
}

.index-item:hover {
    border-color: var(--color-accent-cyan);
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.2);
    transform: translateY(-5px);
}

.index-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* SEÑAL: Llenar la tarjeta */
    display: block;
    filter: grayscale(0.15);
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

/* Las fotos con fondo blanco en tarjetas blancas usan 'contain' para no recortar planos técnicos */
.item-white .index-img {
    object-fit: contain;
    padding: 0.8rem;
    /* SEÑAL: Reducido de 1.2rem para que se vean más grandes como pidió el usuario */
    box-sizing: border-box;
    filter: none;
    /* Mantener colores técnicos */
}

.index-img.img-small {
    padding: 1rem;
    /* SEÑAL: Reducido de 1.5rem para que la grúa y el tornillo resalten más */
    width: calc(100% - 2rem);
    margin: 0 auto;
}

.img-ascua-thumb {
    object-position: top center !important;
    /* SEÑAL: Evitar corte del título ASCUA interno */
}

/* OVERLAY DE NOMBRE DE PROYECTO */
.index-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    /* Un poco más oscuro para legibilidad */
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
    z-index: 5;
}

.index-name {
    color: #fff;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transform: translateY(15px);
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
    text-align: center;
    padding: 0 1rem;
}

.index-item:hover .index-overlay {
    opacity: 1;
}

.index-item:hover .index-name {
    transform: translateY(0);
}


.index-item:hover .index-img {
    filter: grayscale(0);
    transform: scale(1.05);
}

@media (max-width: 1024px) {
    .index-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .index-content.index-content-top {
        padding-top: 8rem;
        /* SEÑAL: Más aire en móvil para el HUD */
        width: 90%;
        max-height: 90vh;
        overflow-y: auto;
        /* SEÑAL: Permitir scroll interno si las fotos no caben */
    }

    .index-title {
        font-size: 1.8rem;
        text-align: left;
    }

    .index-grid {
        grid-template-columns: 1fr;
        /* Una columna por defecto en móvil */
        gap: 1.5rem;
        padding-bottom: 5rem;
        /* Espacio para que el HUD inferior no tape */
    }

    .index-item {
        aspect-ratio: 16/10;
        /* Un poco más alto para móvil */
    }

    /* Ocultar overlay en móvil para priorizar la imagen, o hacerlo fijo */
    .index-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent 40%);
        align-items: flex-end;
        padding-bottom: 1rem;
        backdrop-filter: none;
    }

    .index-name {
        transform: none;
        font-size: 0.9rem;
    }
}

/* ===================================
   SLIDES PROYECTOS - TECH CONTAINERS
   =================================== */
.slide-project {
    background: transparent;
    /* Fondo global visible */
    position: relative;
}

.project-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 0;
    /* SEÑAL: Eliminar gap para que la imagen y el texto se toquen sin fisuras */
    max-width: 1600px;
    width: 95%;
    height: 80vh;
    min-height: 600px;
    align-items: stretch;
    background: rgba(15, 15, 15, 0.4);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 0;
    /* SEÑAL: Padding a 0 para permitir "Full Bleed" de la imagen */
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(0, 217, 255, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.project-layout:hover {
    border-color: var(--color-border-glow);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(0, 217, 255, 0.2),
        inset 0 0 60px rgba(0, 217, 255, 0.03);
    transform: translateY(-8px);
}

.project-image {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000;
    border: none;
    /* SEÑAL: Sin bordes internos para máximo espacio */
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* SEÑAL: "Ocupe todo el espacio" - Full bleed total */
    object-position: center;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Fix específico para Ascua: Visibilidad total centrada */
.img-ascua {
    object-fit: contain !important;
    /* SEÑAL: "Que se vea entera" - Prioridad absoluta */
    object-position: center !important;
    width: 100% !important;
    height: 100% !important;
}

.project-layout:hover .project-image img {
    transform: scale(1.05);
}

/* Layout de Slider Interno para múltiples imágenes */
.project-image.slider-layout {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 0;
    padding: 0;
    background: #000;
    cursor: ew-resize;
}

.project-image.slider-layout::-webkit-scrollbar {
    height: 4px;
}

.project-image.slider-layout img {
    min-width: 100%;
    height: 100%;
    scroll-snap-align: start;
    object-fit: contain;
    background: #0a0a0a;
}

.project-layout:hover .project-image {
    border-color: var(--color-accent-cyan);
    box-shadow:
        0 0 30px rgba(0, 217, 255, 0.4),
        inset 0 0 20px rgba(0, 217, 255, 0.1);
    transform: scale(1.01);
}

.project-layout:hover .project-image img {
    filter: grayscale(0) contrast(1.15) brightness(1.05);
}

/* Eliminar duplicado y forzar consistencia */
.project-image img {
    filter: grayscale(0.2) contrast(1.1);
}

/* Placeholders con gradientes técnicos */
.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-placeholder[data-project="eoat"] {
    background: linear-gradient(135deg, #1a2332 0%, #2d3e50 50%, #1a2332 100%);
}

.project-placeholder[data-project="hmi"] {
    background: linear-gradient(135deg, #2a1a32 0%, #4a3050 50%, #2a1a32 100%);
}

.project-placeholder[data-project="shaft"] {
    background: linear-gradient(135deg, #322a1a 0%, #5a4a30 50%, #322a1a 100%);
}

.project-placeholder[data-project="pokayoke"] {
    background: linear-gradient(135deg, #1a3225 0%, #305a42 50%, #1a3225 100%);
}

.placeholder-icon {
    font-size: 8rem;
    opacity: 0.5;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.placeholder-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.project-info {
    padding: 4rem;
    /* SEÑAL: Recuperar el margen aquí para que el texto NO toque los bordes */
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow-y: auto;
    max-height: 100%;

    /* SEÑAL: Ocultar barra de scroll completamente manteniendo funcionalidad */
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE/Edge */
}

/* Ocultar scrollbar para Chrome, Safari y Opera */
.project-info::-webkit-scrollbar {
    display: none;
}

/* Línea decorativa técnica */
.project-info::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 60px;
    background: linear-gradient(180deg, var(--color-accent-cyan), transparent);
    box-shadow: 0 0 10px var(--color-accent-cyan);
}

.project-number {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-accent-cyan);
    font-weight: 600;
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.project-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3.2rem);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--color-accent-cyan);
    /* Branding continuity */
}

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

.project-description p {
    font-family: var(--font-main);
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.project-description strong {
    color: var(--color-text-primary);
    font-weight: 600;
    border-bottom: 1px solid var(--color-accent-cyan);
    padding-bottom: 2px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: var(--spacing-md);
}

.tag {
    font-family: var(--font-mono);
    background: rgba(0, 217, 255, 0.08);
    color: var(--color-accent-cyan);
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(0, 217, 255, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tag:hover {
    background: var(--color-accent-cyan);
    color: #000;
    border-color: var(--color-accent-cyan);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.4);
}

/* ===================================
   SLIDE 6: ABOUT / PERFIL
   =================================== */
.slide-about {
    background: transparent;
    position: relative;
}

.slide-about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 50%, rgba(111, 185, 63, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.about-content {
    max-width: 1100px;
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(15, 15, 15, 0.4);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    position: relative;
    z-index: 10;
}

/* Scrollbar personalizada para About section */
.about-content::-webkit-scrollbar {
    width: 8px;
}

.about-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

.about-content::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-accent-green), var(--color-accent-cyan));
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(111, 185, 63, 0.5);
}

.about-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-green);
    box-shadow: 0 0 12px rgba(111, 185, 63, 0.8);
}

.section-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent-green);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-left: 3px solid var(--color-accent-green);
    padding-left: 1rem;
}



.about-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    text-transform: uppercase;
}

.about-description {
    font-family: var(--font-main);
    font-size: clamp(1.1rem, 1.8vw, 1.3rem);
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.about-description strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.highlight {
    color: var(--color-accent-green);
    font-weight: 500;
    border-bottom: 2px solid var(--color-accent-green);
    padding-bottom: 2px;
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: calc(var(--spacing-md) * 0.8);
}

.skill-item {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: rgba(0, 0, 0, 0.5);
    border-color: var(--color-accent-green);
    box-shadow: 0 4px 20px rgba(111, 185, 63, 0.1);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.skill-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.skill-level {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-accent-green);
    text-transform: uppercase;
}

.skill-bar {
    width: 100%;
    height: 6px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-green), var(--color-accent-cyan));
    border-radius: 5px;
    transition: width 1s ease;
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.3);
    position: relative;
}

/* Colores Específicos por Software */
.skill-progress.skill-sw,
.skill-progress.skill-inventor {
    background: linear-gradient(90deg, #00d9ff, #0088ff);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.4);
}

.skill-progress.skill-autocad {
    background: linear-gradient(90deg, #6fb93f, #4a8a25);
    box-shadow: 0 0 15px rgba(111, 185, 63, 0.3);
}

.skill-progress.skill-rhino {
    background: linear-gradient(90deg, #ffb300, #ff6b35);
    box-shadow: 0 0 15px rgba(255, 179, 0, 0.3);
}

.skill-progress.skill-simulation {
    background: linear-gradient(90deg, #ff3d00, #b71c1c);
    box-shadow: 0 0 15px rgba(255, 61, 0, 0.3);
}

.skill-progress.skill-keyshot {
    background: linear-gradient(90deg, #e0e0e0, #9e9e9e);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* ===================================
   SLIDE 7: CONTACTO
   =================================== */
.slide-contact {
    background-color: var(--color-bg);
}

.contact-content {
    max-width: 1200px;
    width: 100%;
}

.contact-layout {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.contact-photo {
    flex: 0 0 320px;
    height: 320px;
    position: relative;
}

.contact-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid rgba(176, 190, 197, 0.4);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 217, 255, 0.1);
    transition: all 0.4s ease;
}

.contact-photo:hover img {
    border-color: var(--color-accent-cyan);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 217, 255, 0.3);
    transform: scale(1.02);
}

.contact-info {
    flex: 1;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    text-transform: uppercase;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.contact-link {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-text-primary);
    padding: 0.8rem 1.2rem;
    /* REDUCIDO: Más compacto */
    background: rgba(30, 30, 30, 0.6);
    backdrop-filter: blur(8px);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.contact-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-accent-cyan);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.contact-link:hover::before {
    transform: scaleY(1);
}

.contact-link:hover {
    background: rgba(0, 217, 255, 0.05);
    border-color: var(--color-accent-cyan);
    transform: translateX(15px);
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(0, 217, 255, 0.2);
}

.contact-link-content {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    position: relative;
    width: 100%;
}

.contact-icon {
    width: 22px;
    /* REDUCIDO: Era 28px */
    height: 22px;
    flex-shrink: 0;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.contact-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    /* REDUCIDO: Era 0.75rem */
    color: var(--color-accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
}

.contact-value {
    font-size: 0.9rem;
    /* REDUCIDO: Escala técnica */
}

.contact-link-gmail {
    border-color: rgba(234, 67, 53, 0.2);
}

.contact-link-gmail::before {
    background: #ea4335;
    /* Gmail Red */
}

.contact-link-gmail:hover {
    background: rgba(234, 67, 53, 0.05);
    border-color: #ea4335;
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(234, 67, 53, 0.2);
}

.contact-link-gmail:hover .contact-icon {
    color: #ea4335;
    opacity: 1;
}

.contact-link-phone {
    border-color: rgba(37, 211, 102, 0.2);
}

.contact-link-phone::before {
    background: #25d366;
    /* WhatsApp Green */
}

.contact-link-phone:hover {
    background: rgba(37, 211, 102, 0.05);
    border-color: #25d366;
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(37, 211, 102, 0.2);
}

.contact-link-phone:hover .contact-icon {
    color: #25d366;
    opacity: 1;
}

.contact-link-linkedin {
    border-color: rgba(0, 119, 181, 0.2);
}

.contact-link-linkedin::before {
    background: #0077b5;
    /* LinkedIn Blue */
}

.contact-link-linkedin:hover {
    background: rgba(0, 119, 181, 0.05);
    border-color: #0077b5;
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(0, 119, 181, 0.2);
}

.contact-link-linkedin:hover .contact-icon {
    color: #0077b5;
    opacity: 1;
}

.contact-badge {
    margin-left: auto;
    background: #0077b5;
    color: white;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    /* REDUCIDO */
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 0 10px rgba(0, 119, 181, 0.4);
    animation: badgePulse 2s infinite ease-in-out;
}

@keyframes badgePulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.contact-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    /* Prioridad al texto */
    gap: var(--spacing-xl);
    max-width: 1400px;
    width: 95%;
    align-items: center;
}

.contact-photo {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    /* Centered in its column for alignment */
    align-items: center;
}

.contact-photo img {
    max-width: 100%;
    max-height: 50vh;
    /* Un poco más grande para llenar el aire */
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    border: 2px solid var(--color-accent-cyan);
    box-shadow:
        0 0 30px rgba(0, 217, 255, 0.4),
        0 15px 50px rgba(0, 0, 0, 0.6);
    transition: all 0.5s ease;
    z-index: 2;
}

.contact-photo:hover img {
    border-color: var(--color-accent-cyan);
    transform: scale(1.02);
}

.contact-info .section-label {
    font-size: 0.65rem;
    /* REDUCIDO: Más elegante */
    margin-bottom: 0.8rem;
    /* Menos espacio con el título */
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    /* Compactado para evitar distancias excesivas */
    text-align: left;
}

.contact-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    /* Conexión inmediata entre título y cuerpo */
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    /* REDUCIDO: Era 2.5-4rem */
    font-weight: 700;
    line-height: 1.0;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
    margin: 0;
}

.contact-intro {
    font-family: var(--font-main);
    font-size: 0.95rem;
    /* REDUCIDO: Era 1.1rem */
    line-height: 1.5;
    color: var(--color-text-secondary);
    max-width: 450px;
    margin: 0;
}

.footer {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-md);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    /* Mirrored from .contact-layout */
    gap: var(--spacing-xl);
    width: 95%;
    max-width: 1400px;
    margin: 0 auto;
    align-items: center;
    position: relative;
    z-index: 10;
}

.footer p {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin: 0;
    text-align: left;
}

/* ===================================
   CURSOR PERSONALIZADO (CAD STYLE)
   =================================== */
/* DESACTIVADO: Descomentar cuando el cursor personalizado funcione correctamente
* {
    cursor: none;
}
*/

.custom-cursor {
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    mix-blend-mode: difference;
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.custom-cursor-inner {
    width: 30px;
    height: 30px;
    border: 2px solid var(--color-accent-green);
    border-radius: 50%;
    position: relative;
    transform: translate(-50%, -50%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Cruz CAD dentro del cursor */
.custom-cursor-inner::before,
.custom-cursor-inner::after {
    content: '';
    position: absolute;
    background: var(--color-accent-cyan);
    opacity: 0.6;
}

.custom-cursor-inner::before {
    width: 1px;
    height: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.custom-cursor-inner::after {
    width: 12px;
    height: 1px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Efectos hover del cursor */
.custom-cursor.hovering .custom-cursor-inner {
    transform: translate(-50%, -50%) scale(1.5);
    border-color: var(--color-accent-cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.6);
}

/* ===================================
   MEJORAS PARA TILT 3D
   =================================== */
.project-layout {
    transform-style: preserve-3d;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.project-image,
.project-info {
    transform-style: preserve-3d;
}

/* ===================================
   SLIDE 7: TRAYECTORIA PROFESIONAL
   =================================== */
.slide-experience {
    background: transparent;
    position: relative;
    padding: var(--spacing-lg) var(--spacing-md);
}

.experience-container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.experience-main-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    color: var(--color-text-primary);
}

.experience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.experience-card {
    background: rgba(20, 20, 20, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.experience-card:hover {
    border-color: var(--color-accent-cyan);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 217, 255, 0.1);
    transform: translateY(-10px);
}

.card-image-wrapper {
    position: relative;
    height: 38vh;
    overflow: hidden;
    background: rgba(10, 10, 10, 0.6);
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.experience-card:hover .card-image-wrapper img {
    transform: scale(1.05);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(15, 15, 15, 0.8));
}

.card-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--color-accent-cyan);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-text {
    font-family: var(--font-main);
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--color-text-secondary);
    margin-bottom: 0.8rem;
}

.card-text strong {
    color: var(--color-text-primary);
}

/* Botón técnico */
.btn-technical {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: rgba(0, 217, 255, 0.05);
    border: 1px solid rgba(0, 217, 255, 0.2);
    color: var(--color-accent-cyan);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 4px;
    transition: all 0.3s ease;
    margin-top: auto;
}

.btn-technical:hover {
    background: var(--color-accent-cyan);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.4);
}

.btn-technical .icon-arrow {
    font-style: normal;
    font-size: 1.2rem;
}

/* Tags de experiencia */
.experience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: auto;
}

.tag-outline {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent-cyan);
    padding: 0.4rem 0.8rem;
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 4px;
    text-transform: uppercase;
    background: rgba(0, 217, 255, 0.02);
}

/* ===================================
   RESPONSIVE
   =================================== */

/* TABLET: 1024px y menos */
@media (max-width: 1024px) {

    .hero-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .hero-photo {
        width: 300px;
        height: 300px;
        order: -1;
        /* Foto arriba en tablet */
    }

    .hero-subtitle {
        border-left: none;
        padding-left: 0;
        border-bottom: 3px solid var(--color-accent-cyan);
        padding-bottom: 1rem;
        display: inline-block;
    }

    .scroll-indicator {
        margin: 0 auto;
    }

    .project-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .project-image {
        height: 400px;
    }

    .slide {
        padding: var(--spacing-md);
    }

    .experience-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* MÓVIL: 768px y menos - ADAPTACIÓN COMPLETA PARA SMARTPHONES */
@media (max-width: 768px) {

    /* ===================================
       1. AJUSTES GENERALES DE SCROLL Y NAVEGACIÓN
       =================================== */

    /* Habilitar scroll táctil suave */
    .scroll-container {
        overflow-x: scroll;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
    }

    /* Ocultar scrollbar horizontal en móvil para interfaz más limpia */
    .scroll-container::-webkit-scrollbar {
        display: none;
    }

    /* OCULTAR FLECHAS DE NAVEGACIÓN EN MÓVIL */
    .hud-nav-btn,
    .hud-nav-btn-left,
    .hud-nav-btn-right {
        display: none !important;
    }

    /* Ajustar indicador de progreso para móvil */
    .hud-progress-container {
        bottom: 15px;
    }

    .hud-progress-track {
        width: 150px;
    }

    .hud-counter {
        font-size: 0.75rem;
        padding: 3px 8px;
    }

    /* ===================================
       2. SLIDES BASE - ESTRUCTURA VERTICAL
       =================================== */

    .slide {
        min-width: 100vw;
        width: 100vw;
        height: 100dvh;
        /* Altura fija para snap horizontal */
        padding: 2vh 4vw;
        scroll-snap-align: start;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        /* VUELVE A CENTRADO para slides cortos */
        overflow-y: auto;
        /* Permitir scroll vertical interno si el contenido es largo */
        -webkit-overflow-scrolling: touch;
    }

    /* ===================================
       3. HERO SECTION - IMAGEN ARRIBA, TEXTO ABAJO
       =================================== */

    .hero-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
        width: 100%;
    }

    .hero-photo {
        order: -1;
        /* Foto primero */
        width: 100%;
        max-width: 250px;
        /* Reducido */
        height: auto;
        margin: 0 auto;
    }

    .hero-photo img {
        max-height: 25vh;
        /* REDUCIDO para iPhone 14 */
        width: auto;
        max-width: 100%;
    }

    .hero-title {
        font-size: clamp(1.8rem, 10vw, 2.6rem);
        /* Reducido */
        margin-bottom: 0.6rem;
    }

    .hero-subtitle {
        font-size: clamp(0.9rem, 4vw, 1.1rem);
        border-left: none;
        padding-left: 0;
        margin-bottom: 0.8rem;
    }

    .hero-tagline {
        font-size: clamp(0.8rem, 3.5vw, 0.95rem);
        letter-spacing: 1.2px;
        margin-bottom: 1rem;
    }

    .scroll-indicator {
        margin: 0 auto;
        font-size: 0.75rem;
        padding: 0.6rem 1rem;
    }

    /* ===================================
       4. PROYECTOS - COLUMNA VERTICAL (IMAGEN ARRIBA)
       =================================== */

    .project-layout {
        grid-template-columns: 1fr;
        gap: 0.8rem;
        /* Reducido */
        padding: 1rem;
        min-height: auto;
        width: 100%;
    }

    .project-image {
        width: 100%;
        height: 30vh;
        /* REDUCIDO */
        /* Altura controlada para dejar ver el texto */
        max-height: 30vh;
        min-height: 200px;
        order: -1;
        /* Imagen primero */
    }

    .project-info {
        padding: 1rem 0.5rem;
        /* Ajustado */
    }

    .project-number {
        font-size: 0.7rem;
        margin-bottom: 0.4rem;
    }

    .project-title {
        font-size: clamp(1.3rem, 5vw, 1.8rem);
        margin-bottom: 0.8rem;
    }

    .project-description p {
        font-size: clamp(0.85rem, 3.5vw, 0.95rem);
        /* Reducido */
        line-height: 1.5;
    }

    .project-tags {
        gap: 0.4rem;
        margin-top: 0.8rem;
    }

    .tag {
        font-size: 0.65rem;
        padding: 0.35rem 0.7rem;
    }

    /* ===================================
       5. ABOUT / PERFIL - AJUSTES DE TEXTO Y HABILIDADES
       =================================== */

    .about-content {
        padding: 1.2rem;
        max-width: 100%;
        width: 100%;
    }

    .about-title {
        font-size: clamp(1.6rem, 7vw, 2.2rem);
        margin-bottom: 0.8rem;
    }

    .about-description {
        font-size: clamp(0.9rem, 3.5vw, 1rem);
        line-height: 1.6;
        margin-bottom: 1.2rem;
    }

    /* HABILIDADES: 1 COLUMNA EN MÓVIL */
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .skill-item {
        padding: 0.6rem 0.8rem;
    }

    .skill-name {
        font-size: 0.8rem;
    }

    .skill-level {
        font-size: 0.6rem;
    }

    /* ===================================
       6. EXPERIENCIA PROFESIONAL - COLUMNA VERTICAL
       =================================== */

    .slide-experience,
    .slide-contact {
        padding: 2vh 4vw;
        justify-content: flex-start !important;
    }

    .experience-main-title {
        font-size: clamp(1.4rem, 6vw, 1.8rem);
        margin-bottom: 1rem;
    }

    .experience-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        width: 100%;
    }

    .card-image-wrapper {
        height: 22vh;
        /* REDUCIDO significativamente */
        max-height: 180px;
    }

    .card-content {
        padding: 1rem;
    }

    .card-title {
        font-size: 1.1rem;
        margin-bottom: 0.3rem;
    }

    .card-text {
        font-size: 0.8rem;
        line-height: 1.4;
        margin-bottom: 0.6rem;
    }

    .btn-technical {
        padding: 0.7rem 1.1rem;
        font-size: 0.75rem;
    }

    .experience-tags {
        gap: 0.5rem;
    }

    .tag-outline {
        font-size: 0.65rem;
        padding: 0.3rem 0.6rem;
    }

    /* ===================================
       7. CONTACTO - COLUMNA VERTICAL (IMAGEN ARRIBA)
       =================================== */

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
        /* Muy compacto */
        text-align: center;
        width: 100%;
    }

    .contact-photo {
        order: -1;
        /* Foto primero */
        width: 100%;
        max-width: 200px;
        /* Reducido */
        margin: 0 auto;
        justify-content: center;
    }

    .contact-photo img {
        max-height: 25vh;
        /* REDUCIDO para iPhone 14 */
        width: auto;
        max-width: 100%;
        object-fit: contain;
    }

    /* Ocultar anillo decorativo en móvil para evitar ruidos de layout */
    .hero-photo-inner::before {
        display: none;
    }

    .contact-info {
        width: 100%;
        gap: 0.6rem;
    }

    .contact-title {
        font-size: clamp(1.3rem, 7vw, 1.8rem);
    }

    .contact-intro {
        font-size: 0.85rem;
        line-height: 1.4;
        max-width: 100%;
        margin: 0 auto 0.8rem;
    }

    .contact-methods {
        gap: 0.5rem;
    }

    /* BOTONES DE CONTACTO: Tamaño táctil adecuado */
    .contact-link {
        padding: 0.8rem 1rem;
        min-height: 48px;
        /* Tamaño mínimo para toque con dedo */
    }


    .contact-link:hover {
        transform: translateX(0);
        /* Eliminar desplazamiento en móvil */
    }

    .contact-icon {
        width: 20px;
        height: 20px;
    }

    .contact-label {
        font-size: 0.65rem;
    }

    .contact-value {
        font-size: 0.85rem;
    }

    .contact-badge {
        font-size: 0.55rem;
        padding: 2px 5px;
    }

    .footer {
        padding-top: 2rem;
        margin-top: 2rem;
    }

    .footer p {
        font-size: 0.7rem;
    }

    /* ===================================
       8. AJUSTES DE ESPACIADO Y PADDING
       =================================== */

    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1.25rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    /* ===================================
       9. OPTIMIZACIÓN DE EFECTOS VISUALES
       =================================== */

    /* Reducir animaciones para mejor rendimiento en móvil */
    .particle {
        display: none;
        /* Ocultar partículas en móvil para mejor rendimiento */
    }

    /* Ajustar efectos de hover para táctil */
    .project-layout:hover {
        transform: none;
        /* Eliminar transformación en móvil */
    }

    .hero-photo:hover img,
    .contact-photo:hover img {
        transform: none;
        /* Eliminar zoom en móvil */
    }
}

/* ===================================
   HUD NAVIGATION CONTROLS (SCI-FI)
   =================================== */
.hud-nav-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 100px;
    background: rgba(26, 26, 26, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(176, 190, 197, 0.3);
    /* Steel gray thin border */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2000;
    transition: all 0.2s cubic-bezier(0.19, 1, 0.22, 1);
    color: var(--color-text-primary);
}

.hud-nav-btn-left {
    left: 20px;
    border-radius: 4px 0 0 4px;
    clip-path: polygon(0% 0%, 100% 10%, 100% 90%, 0% 100%);
}

.hud-nav-btn-right {
    right: 20px;
    border-radius: 0 4px 4px 0;
    clip-path: polygon(0% 10%, 100% 0%, 100% 100%, 0% 90%);
}

/* Icons */
.hud-nav-btn svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 0 2px rgba(0, 217, 255, 0.5));
}

/* HOVER: Intense Glow */
.hud-nav-btn:hover {
    border-color: var(--color-accent-cyan);
    background: rgba(0, 217, 255, 0.1);
    box-shadow:
        0 0 20px rgba(0, 217, 255, 0.3),
        inset 0 0 10px rgba(0, 217, 255, 0.2);
}

.hud-nav-btn-left:hover svg {
    transform: translateX(-4px);
    filter: drop-shadow(0 0 8px var(--color-accent-cyan));
}

.hud-nav-btn-right:hover svg {
    transform: translateX(4px);
    filter: drop-shadow(0 0 8px var(--color-accent-cyan));
}

/* CLICK: Mechanical switch feeling */
.hud-nav-btn:active {
    transform: translateY(-50%) scale(0.92);
    background: var(--color-accent-cyan);
    color: #000;
    transition: all 0.05s linear;
}

/* HUD PROGRESS INDICATOR */
.hud-progress-container {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 2000;
    pointer-events: none;
}

.hud-counter {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.2em;
    background: rgba(15, 15, 15, 0.8);
    padding: 4px 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.hud-counter span.current {
    color: #ff9900;
    /* Industrial Orange */
    font-weight: 700;
}

.hud-progress-track {
    width: 200px;
    height: 1.5px;
    /* Thinner */
    background: rgba(255, 255, 255, 0.05);
    /* Stealthier track */
    position: relative;
    overflow: hidden;
}

.hud-progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: #ff9900;
    box-shadow: 0 0 8px rgba(255, 153, 0, 0.4);
    /* Subtler glow */
    transition: width 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

/* La media query para móvil (768px) está consolidada arriba en la sección RESPONSIVE */

/* ===================================
   BACK TO TOP BUTTON (Cloned from Contact)
   =================================== */
.footer .sticky-contact {
    position: relative;
    top: auto;
    right: auto;
    justify-self: center;
    /* Vertical alignment with photo */
    margin: 0;
    z-index: 10;
    display: inline-block;
}

/* Ensure footer text stays centered or left in the row */
.footer p {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin: 0;
}




.btn-text {
    font-weight: 600;
}