/* ==========================================
   PORTAFOLIO RETRO-ANÁLOGO DE ÁLVARO ROMO
   Estilo: CRT Dark Retro / 70s Analog Horror / Late Night with the Devil vibe
   ========================================== */

/* 1. Reset & General Variables */
:root {
    --bg-dark: #000000; /* Pure black */
    --bg-card: #0A0A0A; /* Very dark gray for cards */
    --border-color: #222222; /* Minimal dark gray border */
    --text-primary: #FFFFFF; /* Pure white */
    --text-secondary: #888888; /* Minimalist medium gray */
    --accent-red: #444444; /* Dark gray */
    --accent-orange: #FFFFFF; /* Pure white for high contrast accents */
    --accent-yellow: #666666; /* Medium-dark gray */
    --accent-teal: #BBBBBB; /* Light gray */
    --accent-cream: #FFFFFF;
    
    --font-heading: 'Syne', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'Space Grotesk', sans-serif;
    --transition-smooth: all 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    --container-width: 1200px;
    
    /* Minimalist Glow Text Effect */
    --chromatic-bleed: 0px 0px 8px rgba(255, 255, 255, 0.25);

    /* CRT Side Bezel Color Palette (Selective Highlights) */
    --stripe-red: #C21717;
    --stripe-amber: #E76219;
    --stripe-orange: #FE6712;
    --stripe-gold: #FEA712;
    --stripe-teal: #3DA5A5;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    letter-spacing: -0.01em;
}

/* 2. Background: Retro stripes & Faded Sun */
.psychedelic-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -3;
    overflow: hidden;
    background-color: var(--bg-dark);
}

/* Faded Retro Sun Circle */
.blob {
    position: absolute;
    border-radius: 50%;
    will-change: transform;
    opacity: 0.12;
    filter: blur(80px);
}

.blob-1 {
    top: -5%;
    right: -10%;
    width: 600px;
    height: 600px;
    background-color: var(--accent-orange);
}

.blob-2 {
    bottom: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background-color: var(--accent-teal);
}

/* Retro Sunset Stripes on the side of the page (CRT screen reference) */
.grid-overlay {
    position: fixed;
    top: 0;
    right: 0;
    width: 40px;
    height: 100vh;
    background: linear-gradient(to right, 
        rgba(194, 23, 23, 0.8) 8px, 
        rgba(231, 98, 25, 0.8) 8px 16px, 
        rgba(254, 103, 18, 0.8) 16px 24px, 
        rgba(254, 167, 18, 0.8) 24px 32px,
        rgba(61, 165, 165, 0.8) 32px 40px
    );
    pointer-events: none;
    z-index: 99;
}

@media (max-width: 768px) {
    .grid-overlay {
        width: 15px;
        background: linear-gradient(to right, 
            rgba(194, 23, 23, 0.8) 3px, 
            rgba(231, 98, 25, 0.8) 3px 6px, 
            rgba(254, 103, 18, 0.8) 6px 9px, 
            rgba(254, 167, 18, 0.8) 9px 12px,
            rgba(61, 165, 165, 0.8) 12px 15px
        );
    }
}

/* Tame Impala Deformable Canvas (CRT Oscilloscope Look) */
#currents-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: auto;
    opacity: 0.45;
}

/* Utility Containers */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Sections */
section {
    padding: 8rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-shadow: var(--chromatic-bleed);
    word-break: break-word;
    hyphens: auto;
}

.section-description {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 1.05rem;
    max-width: 650px;
    margin: 0 auto;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

/* Buttons (Solid Retro) */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.85rem;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid var(--text-primary);
}

.btn-primary {
    background: var(--accent-orange);
    color: var(--bg-dark);
    box-shadow: 3px 3px 0px var(--text-primary);
    border-color: var(--text-primary);
    text-shadow: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 5px 5px 0px var(--text-primary);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 3px 3px 0px var(--border-color);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-dark);
    border-color: var(--text-primary);
    box-shadow: 4px 4px 0px var(--text-primary);
    transform: translateY(-2px);
}

#skip-projects-btn {
    margin-top: 1.5rem;
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    border-radius: 4px;
    transition: var(--transition-smooth);
}

#skip-projects-btn:hover {
    background: rgba(61, 165, 165, 0.05);
    border-color: var(--stripe-teal);
    color: var(--text-primary);
    box-shadow: 0 0 10px rgba(61, 165, 165, 0.15);
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    backdrop-filter: blur(15px);
    background: rgba(0, 0, 0, 0.75);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-accent {
    font-size: 1.1rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 0.25rem 0;
}

.nav-link:hover {
    color: var(--stripe-teal);
    text-shadow: 0 0 8px rgba(61, 165, 165, 0.4);
}

.nav-link.active {
    color: var(--stripe-amber);
    text-shadow: 0 0 8px rgba(231, 98, 25, 0.4);
}

.btn-contact-nav {
    padding: 0.45rem 1.25rem;
    border-radius: 6px;
    border: 1px solid var(--text-primary);
    color: var(--text-primary);
    background: transparent;
    box-shadow: 2px 2px 0px var(--text-primary);
}

.btn-contact-nav:hover {
    background: var(--text-primary);
    color: var(--bg-dark);
    box-shadow: none;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.5rem;
}

/* Hero Section */
.hero-section {
    padding-top: 11rem;
    padding-bottom: 6rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 5rem;
    align-items: center;
    width: 100%;
}

.badge-eco-tech {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    margin-bottom: 2.25rem;
    text-transform: uppercase;
    box-shadow: 2px 2px 0px var(--border-color);
}

.badge-divider {
    color: var(--border-color);
}

/* Mask text reveal animation base */
.hero-title-container {
    overflow: hidden;
    margin-bottom: 1.75rem;
}

.title-line {
    overflow: hidden;
    height: auto;
    display: block;
    line-height: 1.1;
}

.reveal-text {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.05em;
    display: block;
    transform: translateY(100%);
    text-transform: uppercase;
    color: var(--text-primary);
    text-shadow: var(--chromatic-bleed);
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 3rem;
    max-width: 580px;
}

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

.hero-actions {
    display: flex;
    gap: 1.25rem;
}

/* Hero morphing photo frame */
.hero-image-wrapper {
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-morph-frame {
    width: 320px;
    height: 320px;
    overflow: hidden;
    border: 1px solid var(--text-primary);
    box-shadow: 6px 6px 0px var(--accent-orange);
    background: var(--bg-card);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: morphAnimation 12s ease-in-out infinite alternate;
}

@keyframes morphAnimation {
    0% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 40% 60% 60% 40% / 50% 60% 40% 60%; }
    100% { border-radius: 50% 50% 50% 50% / 60% 40% 60% 40%; }
}

.hero-image-morph {
    width: 100%;
    height: 100%;
    object-fit: cover;
    scale: 1.05;
}

/* Scroll indicator */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3.5rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    opacity: 0.8;
}

.bounce-icon {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

/* 3. Solid Minimalist Cards Layout */
.card-weird {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.25rem;
    border-radius: 12px;
    box-shadow: 4px 4px 0px var(--bg-dark);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.card-weird:hover {
    border-color: var(--text-primary);
    box-shadow: 6px 6px 0px var(--accent-orange);
    transform: translateY(-2px);
}

.academic-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 4px 4px 0px var(--bg-dark);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    transition: var(--transition-smooth);
}

.academic-card:hover {
    transform: translateY(-2px);
}
.academic-card:nth-child(4n+1):hover { border-color: var(--stripe-teal); box-shadow: 6px 6px 0px var(--stripe-teal); }
.academic-card:nth-child(4n+2):hover { border-color: var(--stripe-amber); box-shadow: 6px 6px 0px var(--stripe-amber); }
.academic-card:nth-child(4n+3):hover { border-color: var(--stripe-gold); box-shadow: 6px 6px 0px var(--stripe-gold); }
.academic-card:nth-child(4n+4):hover { border-color: var(--stripe-red); box-shadow: 6px 6px 0px var(--stripe-red); }

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

.academic-card-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-family: var(--font-mono);
}

.academic-card p {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-subtitle {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    color: var(--text-primary);
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.stat-card {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 1.25rem 1rem;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    border-color: var(--text-primary);
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    display: block;
    margin-bottom: 0.25rem;
}

.text-magenta { color: var(--accent-red); }
.text-neon { color: var(--accent-orange); }
.text-cyan { color: var(--accent-teal); }

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.about-pillars {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.pillar-card {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.pillar-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pillar-icon-box i {
    width: 22px;
    height: 22px;
}

.box-green { background: rgba(194, 23, 23, 0.15); border: 1px solid rgba(194, 23, 23, 0.3); color: var(--accent-red); }
.box-cyan { background: rgba(61, 165, 165, 0.15); border: 1px solid rgba(61, 165, 165, 0.3); color: var(--accent-teal); }
.box-purple { background: rgba(254, 167, 18, 0.15); border: 1px solid rgba(254, 167, 18, 0.3); color: var(--accent-yellow); }

.pillar-body h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
}

.pillar-body p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 4. Experience Section (Minimalist Timeline) */
.timeline-weird {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-weird::after {
    content: '';
    position: absolute;
    width: 1px;
    background: var(--border-color);
    top: 0;
    bottom: 0;
    left: 20px;
}

.timeline-card-wrapper {
    position: relative;
    margin-bottom: 3.5rem;
    display: block;
}

.timeline-marker {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-dark);
    left: 14px;
    top: 1.6rem;
    z-index: 2;
    border: 2px solid var(--text-primary);
}

.marker-red { background-color: var(--stripe-red); }
.marker-amber, .marker-orange { background-color: var(--stripe-amber); }
.marker-gold { background-color: var(--stripe-gold); }
.marker-teal, .marker-cyan { background-color: var(--stripe-teal); }
.marker-green { background-color: var(--stripe-red); } /* Fallback */
.marker-purple { background-color: var(--stripe-gold); } /* Fallback */

.timeline-card-weird {
    margin-left: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.25rem;
    border-radius: 12px;
    box-shadow: 4px 4px 0px var(--bg-dark);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.timeline-card-weird:hover {
    transform: translateY(-2px);
    border-color: var(--text-primary);
    box-shadow: 6px 6px 0px var(--accent-orange);
}

/* Card Hover Glows (Stripe Colors) */
.timeline-card-weird.hover-red:hover { box-shadow: 6px 6px 0px var(--stripe-red); border-color: var(--stripe-red); }
.timeline-card-weird.hover-orange:hover, .timeline-card-weird.hover-amber:hover { box-shadow: 6px 6px 0px var(--stripe-amber); border-color: var(--stripe-amber); }
.timeline-card-weird.hover-gold:hover, .timeline-card-weird.hover-purple:hover { box-shadow: 6px 6px 0px var(--stripe-gold); border-color: var(--stripe-gold); }
.timeline-card-weird.hover-teal:hover, .timeline-card-weird.hover-cyan:hover { box-shadow: 6px 6px 0px var(--stripe-teal); border-color: var(--stripe-teal); }
.timeline-card-weird.hover-green:hover { box-shadow: 6px 6px 0px var(--stripe-red); border-color: var(--stripe-red); }

.timeline-header-weird {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.25rem;
}

.timeline-icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.9rem;
    flex-shrink: 0;
    overflow: hidden;
}

.timeline-icon-circle img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 6px;
    display: block;
}

.border-red { border: 1px solid var(--stripe-red); color: var(--stripe-red); background: rgba(194, 23, 23, 0.1); }
.border-amber, .border-orange { border: 1px solid var(--stripe-amber); color: var(--stripe-amber); background: rgba(231, 98, 25, 0.1); }
.border-gold { border: 1px solid var(--stripe-gold); color: var(--stripe-gold); background: rgba(254, 167, 18, 0.1); }
.border-teal, .border-cyan { border: 1px solid var(--stripe-teal); color: var(--stripe-teal); background: rgba(61, 165, 165, 0.1); }
.border-green { border: 1px solid var(--stripe-red); color: var(--stripe-red); background: rgba(194, 23, 23, 0.1); } /* Fallback */
.border-purple { border: 1px solid var(--stripe-gold); color: var(--stripe-gold); background: rgba(254, 167, 18, 0.1); } /* Fallback */

.role-title {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.25rem;
}

.company-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.timeline-date-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-orange);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    margin-top: 0.25rem;
}

.timeline-summary {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.timeline-details-collapse {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease-out;
}

.timeline-details-collapse.open {
    max-height: 900px;
    opacity: 1;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.timeline-body-weird ul {
    margin-bottom: 0;
}

.timeline-body-weird li {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.95rem;
}

.timeline-body-weird li::before {
    content: '✦';
    color: var(--accent-orange);
    position: absolute;
    left: 0;
    font-size: 0.8rem;
}

.btn-toggle-details {
    background: transparent;
    border: none;
    color: var(--accent-orange);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    padding: 0.25rem 0;
    margin-top: 0.5rem;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-smooth);
}

.btn-toggle-details:hover {
    color: var(--text-primary);
}

.btn-toggle-details i {
    width: 14px;
    height: 14px;
    transition: transform 0.3s ease;
}

.btn-toggle-details.open i {
    transform: rotate(180deg);
}

.timeline-skills-weird {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.timeline-skills-weird span {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* 5. Horizontal Projects Slider (GSAP Pin) */
.projects-horizontal-section {
    width: 100%;
    overflow: hidden;
    position: relative;
    background: var(--bg-dark);
    padding: 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.horizontal-pin-container {
    height: 100vh;
    display: flex;
    overflow: hidden;
    position: relative;
    width: 100vw;
}

.horizontal-sidebar-title {
    width: 28vw;
    height: 100%;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3.5rem;
    flex-shrink: 0;
    z-index: 10;
}

.sidebar-sticky-content {
    max-width: 300px;
}

.sidebar-sticky-content h2 {
    font-size: 2.5rem;
    line-height: 1.1;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
}

.scroll-helper-arrow {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-orange);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-top: 2.5rem;
    text-transform: uppercase;
}

.scroll-helper-arrow i {
    animation: slideRight 1.5s infinite;
}

@keyframes slideRight {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(6px); }
}

.horizontal-scroll-track {
    display: flex;
    height: 100%;
    align-items: center;
    padding: 0 10vw 0 4vw;
    flex-wrap: nowrap;
    will-change: transform;
}

/* Slider Group Headers */
.group-header-inner {
    padding: 2.5rem;
    height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(135deg, rgba(61, 165, 165, 0.1) 0%, rgba(13, 12, 10, 0.5) 100%);
    border: 1px dashed rgba(61, 165, 165, 0.4);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 4px 4px 0px var(--bg-dark);
}

.group-header-inner::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(61, 165, 165, 0.2) 0%, transparent 70%);
    z-index: 1;
}

.group-header-inner.warm-theme {
    background: linear-gradient(135deg, rgba(231, 98, 25, 0.08) 0%, rgba(13, 12, 10, 0.5) 100%);
    border-color: rgba(231, 98, 25, 0.4);
}

.group-header-inner.warm-theme::before {
    background: radial-gradient(circle, rgba(231, 98, 25, 0.15) 0%, transparent 70%);
}

.group-header-inner.green-theme {
    background: linear-gradient(135deg, rgba(46, 189, 127, 0.08) 0%, rgba(13, 12, 10, 0.5) 100%);
    border-color: rgba(46, 189, 127, 0.4);
}

.group-header-inner.green-theme::before {
    background: radial-gradient(circle, rgba(46, 189, 127, 0.15) 0%, transparent 70%);
}

.group-number {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--text-primary);
    opacity: 0.15;
    position: absolute;
    top: 2rem;
    right: 2.5rem;
}

.group-title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-top: 2rem;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    color: var(--text-primary);
    z-index: 2;
}

.group-header-inner:not(.warm-theme):not(.green-theme) .group-title {
    background: linear-gradient(to right, var(--text-primary), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.group-header-inner.warm-theme .group-title {
    background: linear-gradient(to right, var(--text-primary), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.group-header-inner.green-theme .group-title {
    background: linear-gradient(to right, var(--text-primary), #2ebd7f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.group-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    z-index: 2;
}

.group-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--accent-orange);
}

.group-indicator i {
    animation: slideRight 1.5s infinite;
}

.project-slide-card {
    width: 440px;
    flex-shrink: 0;
    margin-right: 4rem;
}

.project-slide-inner {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    height: 480px;
}

.project-slide-img-box {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    margin-bottom: 1.25rem;
    border: 1px solid var(--border-color);
    background: #0d0c0a;
}

.project-slide-img-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.project-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 0.05em;
}

.project-slide-tag {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.85rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-weight: bold;
}

.icon-slide-big {
    width: 44px;
    height: 44px;
}

.project-slide-content h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.project-slide-content p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.project-slide-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: auto;
}

.project-slide-skills span {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* Retro Sunset Gradient Fillers for slide placeholders (CRT theme) */
.green-gradient { background: linear-gradient(135deg, #130C0A 0%, #2D1A15 100%); color: var(--accent-red) !important; }
.blue-gradient { background: linear-gradient(135deg, #130C0A 0%, #2D1A15 100%); color: var(--accent-teal) !important; }
.amber-gradient { background: linear-gradient(135deg, #130C0A 0%, #2D1A15 100%); color: var(--accent-orange) !important; }
.cyan-gradient { background: linear-gradient(135deg, #130C0A 0%, #2D1A15 100%); color: var(--accent-yellow) !important; }
.purple-gradient { background: linear-gradient(135deg, #130C0A 0%, #2D1A15 100%); color: var(--text-secondary) !important; }
.darkgreen-gradient { background: linear-gradient(135deg, #130C0A 0%, #2D1A15 100%); color: var(--accent-red) !important; }

/* 6. Certifications & Filters */
.cert-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 2px 2px 0px var(--bg-dark);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
    box-shadow: 3px 3px 0px var(--border-color);
    transform: translateY(-1px);
}

.filter-btn.active {
    color: var(--bg-dark);
    background: var(--accent-orange);
    border-color: var(--text-primary);
    box-shadow: 3px 3px 0px var(--text-primary);
    font-weight: bold;
}

.certifications-grid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.25rem;
    transition: var(--transition-smooth);
}

.cert-card-compact {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 10px;
    display: flex;
    gap: 1rem;
    align-items: center;
    box-shadow: 3px 3px 0px var(--bg-dark);
    transition: var(--transition-smooth);
    text-decoration: none;
    color: inherit;
    min-height: 90px;
    height: 100%;
}

.cert-card-compact:hover {
    transform: translateY(-2px);
}
.cert-card-compact:nth-child(4n+1):hover { border-color: var(--stripe-teal); box-shadow: 5px 5px 0px var(--stripe-teal); }
.cert-card-compact:nth-child(4n+1) .cert-icon-compact { color: var(--stripe-teal); }
.cert-card-compact:nth-child(4n+2):hover { border-color: var(--stripe-amber); box-shadow: 5px 5px 0px var(--stripe-amber); }
.cert-card-compact:nth-child(4n+2) .cert-icon-compact { color: var(--stripe-amber); }
.cert-card-compact:nth-child(4n+3):hover { border-color: var(--stripe-gold); box-shadow: 5px 5px 0px var(--stripe-gold); }
.cert-card-compact:nth-child(4n+3) .cert-icon-compact { color: var(--stripe-gold); }
.cert-card-compact:nth-child(4n+4):hover { border-color: var(--stripe-red); box-shadow: 5px 5px 0px var(--stripe-red); }
.cert-card-compact:nth-child(4n+4) .cert-icon-compact { color: var(--stripe-red); }

.cert-icon-compact {
    width: 38px;
    height: 38px;
    border-radius: 6px;
    background: var(--bg-dark);
    color: var(--accent-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.cert-icon-compact i {
    width: 18px;
    height: 18px;
}

.cert-info-compact {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    overflow: hidden;
}

.cert-info-compact h3 {
    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.cert-issuer-compact {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    margin: 0;
}

.cert-id-compact {
    display: inline-block;
    align-self: flex-start;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-size: 0.65rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* 8. Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
}

.contact-cards-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-card {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.contact-card-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-card-icon-box i {
    width: 22px;
    height: 22px;
}

.contact-card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
}

.contact-card-body p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-family: var(--font-mono);
}

.contact-card-action {
    font-size: 0.85rem;
    color: var(--accent-orange);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

.contact-info-card:hover .contact-card-action {
    color: var(--text-primary);
}

.contact-form {
    padding: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.form-group label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.form-group input, .form-group textarea {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--stripe-teal);
    outline: none;
    box-shadow: 3px 3px 0px rgba(61, 165, 165, 0.25);
}

.btn-full-width {
    width: 100%;
    justify-content: center;
    padding: 1rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    background: var(--bg-card);
    padding: 2.5rem 0;
    margin-top: 6rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

.footer-links i {
    width: 18px;
    height: 18px;
}

/* ==========================================
   7. Conferencias & Paneles Section
   ========================================== */
.conferencias-section {
    padding: 6rem 0;
    border-bottom: 1px solid var(--border-color);
}

.conferencias-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.conferencia-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 4px 4px 0px var(--bg-dark);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.conferencia-card:hover {
    transform: translateY(-3px);
}
.conferencia-card:nth-child(4n+1):hover { border-color: var(--stripe-teal); box-shadow: 6px 6px 0px var(--stripe-teal); }
.conferencia-card:nth-child(4n+2):hover { border-color: var(--stripe-amber); box-shadow: 6px 6px 0px var(--stripe-amber); }
.conferencia-card:nth-child(4n+3):hover { border-color: var(--stripe-gold); box-shadow: 6px 6px 0px var(--stripe-gold); }
.conferencia-card:nth-child(4n+4):hover { border-color: var(--stripe-red); box-shadow: 6px 6px 0px var(--stripe-red); }

.conferencia-img-box {
    height: 240px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border-color);
    background: #0d0c0a;
}

/* Conferencia Slide Gallery Styles */
.conferencia-slides {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.conferencia-slides img {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    object-fit: contain;
    background: #0d0c0a;
    transition: opacity 0.4s ease, transform 0.5s ease;
    z-index: 1;
}

.conferencia-slides img.active {
    opacity: 1;
    z-index: 2;
}

.conferencia-card:hover .conferencia-slides img.active {
    transform: scale(1.03);
}

.conf-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(13, 12, 10, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.3s ease, background 0.3s ease;
}

.conf-nav-btn:hover {
    background: var(--accent-orange);
    color: var(--bg-dark);
    border-color: var(--text-primary);
}

.conferencia-img-box:hover .conf-nav-btn {
    opacity: 1;
}

.prev-btn {
    left: 0.75rem;
}

.next-btn {
    right: 0.75rem;
}

.conf-dots {
    position: absolute;
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.35rem;
    z-index: 10;
    background: rgba(13, 12, 10, 0.6);
    padding: 0.25rem 0.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.conf-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

.conf-dot.active {
    background: var(--accent-orange);
    transform: scale(1.25);
}

.conferencia-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.35rem 0.8rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: bold;
    transition: var(--transition-smooth);
}

.conferencia-card:nth-child(4n+1) .conferencia-badge { border-color: var(--stripe-teal); color: var(--stripe-teal); }
.conferencia-card:nth-child(4n+2) .conferencia-badge { border-color: var(--stripe-amber); color: var(--stripe-amber); }
.conferencia-card:nth-child(4n+3) .conferencia-badge { border-color: var(--stripe-gold); color: var(--stripe-gold); }
.conferencia-card:nth-child(4n+4) .conferencia-badge { border-color: var(--stripe-red); color: var(--stripe-red); }

.conferencia-body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.conferencia-meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-orange);
    margin-bottom: 0.5rem;
    transition: var(--transition-smooth);
}

.conferencia-card:nth-child(4n+1) .conferencia-meta { color: var(--stripe-teal); }
.conferencia-card:nth-child(4n+2) .conferencia-meta { color: var(--stripe-amber); }
.conferencia-card:nth-child(4n+3) .conferencia-meta { color: var(--stripe-gold); }
.conferencia-card:nth-child(4n+4) .conferencia-meta { color: var(--stripe-red); }

.conferencia-body h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.conferencia-body p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================
   Responsive Styles
   ========================================== */

@media (max-width: 1024px) {
    .projects-horizontal-section {
        padding: 6rem 0;
    }

    .horizontal-pin-container {
        height: auto;
        display: block;
        width: 100%;
    }

    .horizontal-sidebar-title {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 3rem 2rem;
    }

    .horizontal-scroll-track {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 2rem;
        width: 100%;
        height: auto;
        padding: 3rem 2rem;
    }

    .project-slide-card {
        width: 100%;
        margin-right: 0;
    }

    .project-slide-inner {
        height: auto;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
        text-align: center;
    }

    .hero-content {
        order: 2;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-image-wrapper {
        order: 1;
    }

    .reveal-text {
        font-size: 3rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .chat-container-layout {
        grid-template-columns: 1fr;
        height: auto;
    }

    .chat-info-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 2rem;
    }

    .chat-messages {
        height: 360px;
        padding: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem 0;
    }

    .nav-menu {
        position: fixed;
        top: 5rem;
        left: -100%;
        width: 100%;
        height: calc(100vh - 5rem);
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(25px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
        transition: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
        border-top: 1px solid var(--border-color);
        padding: 2rem;
    }

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

    .nav-toggle {
        display: block;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .timeline-weird::after {
        left: 20px;
    }

    .timeline-marker {
        left: 14px;
    }

    .timeline-card-weird {
        margin-left: 35px;
        margin-top: 0;
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-info-card {
        padding: 1.5rem !important;
    }

    .contact-form {
        padding: 1.75rem !important;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .reveal-text {
        font-size: 2.25rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* ==========================================
   8. Blog & Demos Section Styles
   ========================================== */
.blog-page main, .admin-page main {
    animation: fadeIn 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

.blog-toolbar {
    padding: 2rem;
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Terminal style search bar */
.search-terminal-box {
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    position: relative;
    transition: var(--transition-smooth);
}

.search-terminal-box:focus-within {
    border-color: var(--text-primary);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.prompt-symbol {
    font-family: var(--font-mono);
    color: var(--accent-orange);
    font-weight: bold;
    margin-right: 0.75rem;
    font-size: 0.95rem;
    user-select: none;
}

.search-terminal-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    width: 100%;
    padding-right: 2rem;
}

.search-terminal-box input::placeholder {
    color: #444444;
}

.search-icon {
    position: absolute;
    right: 1.25rem;
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
    pointer-events: none;
}

/* Category tabs */
.blog-category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-tab {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.filter-tab.active {
    color: var(--bg-dark);
    background: var(--text-primary);
    border-color: var(--text-primary);
    font-weight: bold;
}

/* Blog grid */
.blog-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2.5rem;
    margin-bottom: 6rem;
}

.blog-post-card {
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.blog-post-card:hover {
    transform: translateY(-4px);
    border-color: var(--text-primary);
    box-shadow: 6px 6px 0px var(--border-color);
}

.blog-card-header {
    height: 140px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}

.blog-card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.8) 100%);
    z-index: 1;
}

.blog-card-badge {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
}

.badge-article {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.badge-demo {
    background: rgba(231, 98, 25, 0.15);
    border: 1px solid rgba(231, 98, 25, 0.3);
    color: var(--accent-orange);
}

.blog-card-category {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    z-index: 2;
    font-weight: bold;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.15rem 0.45rem;
    border-radius: 3px;
    background: rgba(0,0,0,0.5);
}

.blog-card-body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    display: block;
}

.blog-card-body h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    transition: var(--transition-smooth);
}

.blog-post-card:hover .blog-card-body h3 {
    text-shadow: var(--chromatic-bleed);
}

.blog-card-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.blog-card-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--accent-orange);
}

.blog-card-action i {
    width: 14px;
    height: 14px;
    transition: transform 0.3s ease;
}

.blog-post-card:hover .blog-card-action i {
    transform: translateX(4px);
}

/* Loading indicator */
.loading-indicator {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 6rem 0;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* ==========================================
   9. Blog Reader Modal Styles
   ========================================== */
.blog-reader-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.blog-reader-modal.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(15px);
}

.modal-container {
    width: 90%;
    max-width: 800px;
    height: 85vh;
    background: var(--bg-card);
    z-index: 2;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.blog-reader-modal.open .modal-container {
    transform: scale(1);
}

.modal-glow-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.02);
}

.modal-close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-smooth);
}

.modal-close-btn:hover {
    background: var(--text-primary);
    color: var(--bg-dark);
    border-color: var(--text-primary);
}

.modal-content-scroll {
    padding: 3.5rem 3rem;
    height: 100%;
    overflow-y: auto;
}

/* Custom Scrollbar for Modal and tables */
.modal-content-scroll::-webkit-scrollbar, .admin-table-wrapper::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.modal-content-scroll::-webkit-scrollbar-track, .admin-table-wrapper::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
.modal-content-scroll::-webkit-scrollbar-thumb, .admin-table-wrapper::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}
.modal-content-scroll::-webkit-scrollbar-thumb:hover, .admin-table-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.modal-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.modal-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.modal-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.modal-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.modal-title {
    font-size: 2.2rem;
    line-height: 1.2;
}

.modal-body-content {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #cccccc;
}

.modal-body-content h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.modal-body-content h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.modal-body-content p {
    margin-bottom: 1.5rem;
}

.modal-body-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.modal-body-content li {
    margin-bottom: 0.5rem;
}

.modal-body-content blockquote {
    border-left: 3px solid var(--accent-orange);
    padding-left: 1.25rem;
    margin: 1.5rem 0;
    color: var(--text-secondary);
    font-style: italic;
}

.modal-body-content a {
    color: var(--accent-orange);
    text-decoration: underline;
}

.modal-body-content a:hover {
    color: var(--text-primary);
}

.modal-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* ==========================================
   10. CMS Admin Panel Styles
   ========================================== */

/* Login Overlay Terminal Card */
.admin-login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.9);
}

.login-card {
    width: 90%;
    max-width: 500px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.terminal-header-bar {
    background: #111;
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-header-bar .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.red-dot { background: #ff5f56; }
.yellow-dot { background: #ffbd2e; }
.green-dot { background: #27c93f; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.terminal-body {
    padding: 2rem;
    background: #050505;
}

.term-line {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
}

.green-text {
    color: #00ff66;
}

/* Dashboard Grid Layout */
.admin-layout-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    align-items: start;
    margin-bottom: 4rem;
}

.admin-sidebar {
    padding: 2rem;
}

.sidebar-user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.user-avatar-placeholder {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-teal);
}

.sidebar-user-info h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.admin-tabs-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-nav-tab {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.85rem 1.25rem;
    border-radius: 6px;
    cursor: pointer;
    text-align: left;
    transition: var(--transition-smooth);
    width: 100%;
}

.admin-nav-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.admin-nav-tab.active {
    color: var(--text-primary);
    background: var(--bg-dark);
    border-color: var(--border-color);
    box-shadow: 2px 2px 0px rgba(255, 255, 255, 0.05);
}

.admin-nav-tab i {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Tab Contents visibility */
.admin-tab-content {
    display: none;
}

.admin-tab-content.active {
    display: block;
}

/* Management Table styling */
.table-card, .editor-card, .settings-card {
    padding: 2.5rem;
}

.table-header-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.table-header-toolbar h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
}

.admin-table-wrapper {
    overflow-x: auto;
    width: 100%;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.admin-table th {
    background: #0a0a0a;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
    font-weight: bold;
    padding: 1rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-table td {
    padding: 1.15rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tr:hover td {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.01);
}

/* Select inputs */
select {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2em;
}

select:focus {
    border-color: var(--text-primary);
    outline: none;
}

/* Responsive updates for Admin layout */
@media (max-width: 1024px) {
    .admin-layout-grid {
        grid-template-columns: 1fr;
    }
    .admin-sidebar {
        padding: 1.5rem;
    }
    .admin-tabs-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    .admin-nav-tab {
        white-space: nowrap;
        width: auto;
        padding: 0.65rem 1rem;
    }
    .table-card, .editor-card, .settings-card {
        padding: 1.5rem;
    }
}

/* Blog Card Header Gradients Override (Premium Glow) */
.blog-card-header.blue-gradient { background: linear-gradient(135deg, #05131b 0%, #0d2836 100%); border-bottom: 1px solid rgba(61, 165, 165, 0.15); }
.blog-card-header.amber-gradient { background: linear-gradient(135deg, #160a04 0%, #2f1709 100%); border-bottom: 1px solid rgba(231, 98, 25, 0.15); }
.blog-card-header.green-gradient { background: linear-gradient(135deg, #04140a 0%, #0c2b16 100%); border-bottom: 1px solid rgba(46, 189, 127, 0.15); }
.blog-card-header.cyan-gradient { background: linear-gradient(135deg, #041414 0%, #0d2e2e 100%); border-bottom: 1px solid rgba(61, 165, 165, 0.15); }
.blog-card-header.darkgreen-gradient { background: linear-gradient(135deg, #100612 0%, #240d2b 100%); border-bottom: 1px solid rgba(255, 255, 255, 0.1); }



/* ==========================================================================
   NUEVAS SECCIONES VERTICALES DE PROYECTOS & SHOWCASES
   ========================================================================== */

:root {
    --stripe-green: #2ebd7f;
}

.projects-vertical-section {
    padding: 6rem 0;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-dark);
}

.projects-vertical-section.gold-theme {
    background: linear-gradient(135deg, rgba(254, 167, 18, 0.03) 0%, rgba(13, 12, 10, 1) 100%);
    border-bottom: 1px solid rgba(254, 167, 18, 0.15);
}

.projects-vertical-section.warm-theme {
    background: linear-gradient(135deg, rgba(231, 98, 25, 0.03) 0%, rgba(13, 12, 10, 1) 100%);
    border-bottom: 1px solid rgba(231, 98, 25, 0.15);
}

.projects-vertical-section.green-theme {
    background: linear-gradient(135deg, rgba(46, 189, 127, 0.03) 0%, rgba(13, 12, 10, 1) 100%);
    border-bottom: 1px solid rgba(46, 189, 127, 0.15);
}

.section-header-weird {
    position: relative;
    margin-bottom: 4rem;
    max-width: 800px;
}

.section-header-weird .section-num {
    font-size: 4rem;
    font-weight: 800;
    opacity: 0.1;
    position: absolute;
    top: -2rem;
    left: -1rem;
    line-height: 1;
    z-index: 1;
}

.section-header-weird .section-title {
    font-size: 2.25rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.projects-vertical-section:not(.gold-theme):not(.warm-theme):not(.green-theme) .section-title {
    background: linear-gradient(to right, var(--text-primary), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.projects-vertical-section.gold-theme .section-title {
    background: linear-gradient(to right, var(--text-primary), var(--stripe-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.projects-vertical-section.warm-theme .section-title {
    background: linear-gradient(to right, var(--text-primary), var(--stripe-amber));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.projects-vertical-section.green-theme .section-title {
    background: linear-gradient(to right, var(--text-primary), #2ebd7f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.project-card-weird {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-smooth);
    box-shadow: 4px 4px 0px var(--bg-dark);
}

.project-card-weird:hover {
    transform: translateY(-4px);
    border-color: var(--text-primary);
    box-shadow: 8px 8px 0px var(--stripe-teal);
}

.project-card-weird.hover-gold:hover {
    box-shadow: 8px 8px 0px var(--stripe-gold);
    border-color: var(--stripe-gold);
}

.project-card-weird.hover-orange:hover {
    box-shadow: 8px 8px 0px var(--stripe-orange);
    border-color: var(--stripe-orange);
}

.project-card-weird.hover-green:hover {
    box-shadow: 8px 8px 0px var(--stripe-green);
    border-color: var(--stripe-green);
}

.project-img-box {
    width: 100%;
    aspect-ratio: 16 / 9;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    background: #0d0c0a;
}

.project-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card-weird:hover .project-img-box img {
    transform: scale(1.05);
}

.project-tag-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(13, 12, 10, 0.75);
    backdrop-filter: blur(4px);
    color: var(--text-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    border: 1px solid var(--border-color);
    text-transform: uppercase;
}

.project-card-body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-card-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.3;
    color: var(--text-primary);
}

.project-card-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-card-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.project-card-skills span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 4px;
    color: var(--text-secondary);
}

/* Timeline green color overrides */
.marker-green {
    background-color: var(--stripe-green) !important;
}

.border-green {
    border: 1px solid var(--stripe-green) !important;
    color: var(--stripe-green) !important;
    background: rgba(46, 189, 127, 0.1) !important;
}

.timeline-card-weird.hover-green:hover {
    box-shadow: 6px 6px 0px var(--stripe-green) !important;
    border-color: var(--stripe-green) !important;
}

/* Showcase: El Origen (Péndulos) & Redes Sociales */
.origin-showcase {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 4px 4px 0px var(--bg-dark);
}

.social-media-showcase {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 4px 4px 0px var(--bg-dark);
}

.origin-tag {
    background: rgba(254, 167, 18, 0.1);
    color: var(--stripe-gold);
    border: 1px solid var(--stripe-gold);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
    margin-bottom: 1rem;
}

.social-media-tag {
    background: rgba(231, 98, 25, 0.1);
    color: var(--stripe-amber);
    border: 1px solid var(--stripe-amber);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
    margin-bottom: 1rem;
}

.origin-title, .social-media-title {
    font-size: 1.8rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    text-transform: uppercase;
    color: var(--text-primary);
}

.origin-text, .social-media-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.origin-skills, .social-media-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.origin-skills span, .social-media-skills span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--text-secondary);
}

.gallery-main {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    aspect-ratio: 1.77;
    background: #0d0c0a;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.2s ease;
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.gallery-thumb {
    cursor: pointer;
    border-radius: 4px;
    border: 2px solid transparent;
    aspect-ratio: 1.77;
    object-fit: cover;
    width: 100%;
    height: 100%;
    opacity: 0.6;
    transition: var(--transition-smooth);
}

.gallery-thumb:hover {
    opacity: 0.9;
}

.gallery-thumb.active {
    border-color: var(--stripe-gold);
    opacity: 1;
}

.social-media-img-box {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    aspect-ratio: 16 / 9;
    background: #000;
}

.social-media-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Responsiveness for Showcases & Grids */
@media (max-width: 1024px) {
    .origin-showcase, .social-media-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }
    
    .social-media-showcase {
        display: flex;
        flex-direction: column-reverse;
    }
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-header-weird .section-title {
        font-size: 1.8rem;
    }
    
    .section-header-weird .section-num {
        font-size: 3rem;
        top: -1.5rem;
    }
}