@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Orbitron:wght@600;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ==========================================================================
   2. VARIABLES CSS (:root) - Tipografia, Paleta y Parametros
   ========================================================================== */
:root {
    /* Tipografias */
    --font-heading: 'Orbitron', system-ui, sans-serif;
    --font-body: 'Space Grotesk', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', Consolas, monospace;

    /* Superficies y Fondos */
    --bg-page: #090d12;
    --bg-surface: #0f1621;
    --bg-surface-elevated: #15202e;
    --border-subtle: #203042;
    --border-accent: #314a66;

    /* Colores Acento Aperture / Portal */
    --portal-blue: #00a2ff;
    --portal-blue-glow: rgba(0, 162, 255, 0.25);
    --portal-orange: #ff7300;
    --portal-orange-glow: rgba(255, 115, 0, 0.25);

    /* Textos y Jerarquia */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #8ea0b4;
    --text-inverse: #080c10;

    /* Metricas y Transiciones */
    --radius-sm: 4px;
    --radius-md: 8px;
    --transition-fast: 0.2s ease;
}

/* ==========================================================================
   3. ESTILOS BASE Y ACCESIBILIDAD
   ========================================================================== */
html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-page);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    min-height: 100vh;
}

.skip-link {
    position: fixed;
    top: -120px;
    left: 1rem;
    background-color: var(--portal-orange);
    color: var(--text-inverse);
    padding: 0.6rem 1.2rem;
    font-family: var(--font-mono);
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 1rem;
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==========================================================================
   4. HEADER Y NAVEGACION (FLEXBOX)
   ========================================================================== */
.site-header {
    background-color: var(--bg-surface);
    border-bottom: 2px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 1140px;
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 0 4px var(--portal-orange-glow));
    transition: transform var(--transition-fast), filter var(--transition-fast);
}

.brand:hover .brand-logo {
    transform: rotate(45deg);
    filter: drop-shadow(0 0 8px var(--portal-orange-glow));
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 1rem;
    letter-spacing: 0.12em;
}

.brand-text strong {
    color: var(--portal-blue);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 0.4rem 0.2rem;
    transition: color var(--transition-fast);
}

.nav-list a:hover,
.nav-list a:focus-visible {
    color: var(--portal-blue);
    outline: none;
}

/* ==========================================================================
   5. SECCION HERO (DIRECTIVA)
   ========================================================================== */
.hero {
    padding: 5rem 0 4rem;
    border-bottom: 1px solid var(--border-subtle);
    background: radial-gradient(circle at 80% 20%, rgba(0, 162, 255, 0.08), transparent 50%);
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.hero-content {
    flex: 1.2;
}

.hero-media {
    flex: 1;
    max-width: 480px;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border-accent);
    box-shadow: 0 0 30px var(--portal-blue-glow);
}

.hero-media img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.hero-media:hover img {
    transform: scale(1.03);
}

.tagline {
    font-family: var(--font-mono);
    color: var(--portal-blue);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 900;
    letter-spacing: 0.08em;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.08);
}

.lead {
    color: var(--text-secondary);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    max-width: 720px;
    line-height: 1.7;
}

/* ==========================================================================
   6. SECCION SOBRE MI / PROTOCOLOS
   ========================================================================== */
.about-section {
    padding: 4.5rem 0;
    border-bottom: 1px solid var(--border-subtle);
}

.about-card {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-accent);
    border-left: 4px solid var(--portal-blue);
    border-radius: var(--radius-md);
    padding: 2.5rem;
}

.about-header {
    margin-bottom: 1.5rem;
}

.spec-code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--portal-blue);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.5rem;
}

.about-header h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--text-primary);
}

.about-lead {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

.spec-item {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.spec-item strong {
    color: var(--portal-orange);
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    margin-bottom: 0.25rem;
}

/* ==========================================================================
   7. SECCION PORTAFOLIO / CAMARAS (CSS GRID)
   ========================================================================== */
.chambers-section {
    padding: 5rem 0;
    background-color: var(--bg-page);
    border-bottom: 1px solid var(--border-subtle);
}

.section-intro {
    margin-bottom: 3rem;
}

.section-intro h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.section-intro p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.grid-projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.chamber-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-top: 3px solid var(--portal-blue);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-fast), border-top-color var(--transition-fast);
}

.chamber-card:hover {
    transform: translateY(-4px);
    border-top-color: var(--portal-orange);
}

.card-media {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: var(--bg-surface-elevated);
    border-bottom: 1px solid var(--border-subtle);
    overflow: hidden;
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--portal-blue);
    letter-spacing: 0.1em;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.chamber-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
}

.tech-tags li {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

/* ==========================================================================
   8. SECCION CONTACTO / RECLUTAMIENTO
   ========================================================================== */
.contact-section {
    padding: 5rem 0;
    border-bottom: 1px solid var(--border-subtle);
}

.form-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    max-width: 760px;
    margin: 0 auto;
}

.form-card h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-card > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.aperture-form fieldset {
    border: 1px solid var(--border-accent);
    padding: 1.75rem;
    border-radius: var(--radius-md);
}

.aperture-form legend {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--portal-orange);
    padding: 0 0.5rem;
    letter-spacing: 0.05em;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.25rem;
    accent-color: var(--portal-orange);
    width: 1rem;
    height: 1rem;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.btn-submit {
    display: inline-block;
    width: 100%;
    padding: 0.9rem 1.5rem;
    margin-top: 1rem;
    background-color: var(--portal-orange);
    color: var(--text-inverse);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.btn-submit:hover,
.btn-submit:focus-visible {
    box-shadow: 0 0 15px var(--portal-orange-glow);
    transform: translateY(-1px);
    outline: none;
}

/* ==========================================================================
   9. FOOTER Y REDES SOCIALES (FLEXBOX)
   ========================================================================== */
.site-footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    padding: 3rem 0;
}

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

.social-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.social-link {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.social-link:hover,
.social-link:focus-visible {
    color: var(--portal-blue);
    border-color: var(--portal-blue);
    outline: none;
}

.site-footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   10. DISEÑO RESPONSIVE (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .nav-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .hero {
        padding: 3.5rem 0 2.5rem;
    }

    .hero-container {
        flex-direction: column-reverse;
        gap: 2rem;
        text-align: left;
    }

    .hero-media {
        max-width: 100%;
    }

    .about-card,
    .form-card {
        padding: 1.5rem;
    }

    .grid-projects {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-list {
        gap: 0.75rem;
    }

    .nav-list a {
        font-size: 0.85rem;
    }

    .social-links {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }

    .social-link {
        width: 100%;
        text-align: center;
    }
}