/* Codigo hecho por Ey40-0 */

/* ─── Tokens de diseño ─────────────────────────────────────────── */
:root {
    --blue:        #6fabff;
    --blue-dim:    #4d8fe0;
    --blue-faint:  hsl(215 100% 85% / .12);
    --blue-border: hsl(215 100% 70% / .28);

    --bg:          #f5f7fa;
    --bg-card:     #ffffff;
    --bg-dark:     #111318;

    --text:        #1e2230;
    --text-muted:  #5a6072;
    --text-light:  #f0f4ff;

    --radius:      10px;
    --radius-sm:   6px;
    --shadow-card: 0 2px 16px hsl(215 40% 60% / .10), 0 1px 4px hsl(0 0% 0% / .04);
    --transition:  .22s cubic-bezier(.4, 0, .2, 1);
}

/* ─── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

/* ─── Base ───────────────────────────────────────────────────────── */
body {
    font-family: 'Nunito', system-ui, -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Google Sans', 'Nunito', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
}
a { text-decoration: none; }

/* ─── Header ─────────────────────────────────────────────────────── */
.header-bar {
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--blue-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .9rem 2.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}
#title {
    font-family: 'Google Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--blue);
    letter-spacing: .04em;
}
.nav-bar {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-link {
    color: hsl(0 0% 80%);
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: .02em;
    padding: .2rem 0;
    position: relative;
    transition: color var(--transition);
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -.15rem;
    width: 100%;
    height: 2px;
    background: var(--blue);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
}
.nav-link:hover { color: var(--blue); }
.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ─── Layout base ────────────────────────────────────────────────── */
.section-wrap {
    max-width: 1060px;
    margin: 0 auto;
    padding: 5rem 2rem;
}
.section-wrap + .section-wrap {
    padding-top: 0;
}

/* ─── Portada ────────────────────────────────────────────────────── */
.seccion-portada {
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

/* Canvas de partículas */
#particles-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.portada-inner {
    max-width: 1060px;
    margin: 0 auto;
    padding: 7rem 2rem 6rem;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* ── Badge kicker (sin animación; descomentado en HTML para activar) ── */
.portada-kicker {
    display: inline-block;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--blue);
    border: 1px solid var(--blue-border);
    background: var(--blue-faint);
    padding: .3rem .85rem;
    border-radius: 99px;
    margin-bottom: 1.4rem;
}

/* ── Gradiente animado en el nombre del headline ── */
@keyframes gradient-shift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.portada-headline {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 1.1rem;
    letter-spacing: -.01em;
}
.portada-headline span {
    background: linear-gradient(90deg, #6fabff, #a78bfa, #6fabff, #38bdf8);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 4s ease infinite;
}

#txt-intro {
    font-size: 1.05rem;
    color: hsl(220 20% 75%);
    max-width: 52ch;
    margin-bottom: 2rem;
}
#txt-intro .blue-link {
    color: var(--blue);
    font-weight: 700;
    position: relative;
}
#txt-intro .blue-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -.15rem;
    width: 100%;
    height: 2px;
    background: var(--blue);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
}
#txt-intro .blue-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Panel derecho de la portada */
.presentacion-visual {
    padding: 1.5rem;
    border: 1px solid var(--blue-border);
    background: hsl(215 40% 10% / .6);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: .6rem;
    backdrop-filter: blur(8px);
}
.visual-etiqueta {
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--blue);
    font-family: 'Google Sans', sans-serif;
    font-weight: 700;
    margin-top: .9rem;
}
.visual-etiqueta:first-child { margin-top: 0; }
.visual-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}
.visual-chips span {
    font-size: .72rem;
    padding: .2rem .65rem;
    background: hsl(215 100% 65% / .14);
    color: var(--text-light);
    font-weight: 600;
    font-family: 'Google Sans', sans-serif;
    border: 1px solid hsl(215 100% 70% / .3);
    border-radius: var(--radius-sm);
}
.visual-chip-destacado {
    background: hsl(215 100% 65% / .28) !important;
    color: var(--blue) !important;
    border-color: hsl(215 100% 70% / .5) !important;
}
/* Chip clicable (enlace a sección) */
.visual-chip-link {
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
    text-decoration: none;
    font-size: .72rem;
    padding: .2rem .65rem;
    font-weight: 600;
    font-family: 'Google Sans', sans-serif;
    border: 1px solid hsl(215 100% 70% / .5);
    border-radius: var(--radius-sm);
}
.visual-chip-link:hover {
    background: hsl(215 100% 65% / .45) !important;
    box-shadow: 0 0 10px hsl(215 100% 65% / .40);
    transform: translateY(-1px);
}

/* ─── Botón con Ripple ───────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .72rem 1.7rem;
    background: var(--blue);
    color: var(--bg-dark);
    font-weight: 700;
    font-size: .9rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 2px 12px hsl(215 100% 70% / .25);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.btn:hover {
    background: var(--blue-dim);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px hsl(215 100% 65% / .40);
}
.btn:active {
    transform: translateY(0);
}
/* Ripple element creado por JS */
.btn .ripple {
    position: absolute;
    border-radius: 50%;
    background: hsl(0 0% 100% / .35);
    transform: scale(0);
    animation: ripple-expand .55s linear;
    pointer-events: none;
}
@keyframes ripple-expand {
    to { transform: scale(4); opacity: 0; }
}
.presentacion-cta { align-self: flex-start; }

/* ─── Separador de sección ────────────────────────────────────────── */
.section-heading {
    font-size: 1.6rem;
    color: var(--text);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: .75rem;
}
.section-heading::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 1.5em;
    background: var(--blue);
    border-radius: 2px;
    flex-shrink: 0;
}

/* ─── Sobre mí / Cómo trabajo ─────────────────────────────────────── */
.prose-section {
    background: var(--bg);
}
.prose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.2rem;
}
.prose-card {
    background: var(--bg-card);
    border: 1px solid hsl(215 30% 88%);
    border-left: 3px solid var(--blue);
    border-radius: var(--radius);
    padding: 1.3rem 1.5rem;
    font-size: .97rem;
    color: var(--text-muted);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.prose-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 0 1px hsl(215 100% 70% / .35), 0 6px 28px hsl(215 40% 60% / .18);
    border-left-color: var(--blue);
}

/* ─── Tecnologías ─────────────────────────────────────────────────── */
.tech-section {
    background: var(--bg);
}
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 1.4rem;
}
.tech-categoria {
    background: var(--bg-card);
    border: 1px solid hsl(215 30% 88%);
    border-radius: var(--radius);
    padding: 1.2rem 1.3rem;
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--transition), transform var(--transition);
}
.tech-categoria:hover {
    box-shadow: 0 0 0 1px hsl(215 100% 70% / .25), 0 4px 20px hsl(215 40% 60% / .12);
    transform: translateY(-2px);
}
.tech-categoria h3 {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--text-muted);
    margin-bottom: .8rem;
    font-weight: 700;
}
.tech-pills {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}
.tech-pill {
    display: inline-block;
    padding: .25rem .75rem;
    background: var(--blue-faint);
    color: var(--blue-dim);
    border: 1px solid var(--blue-border);
    font-size: .78rem;
    font-weight: 700;
    font-family: 'Google Sans', sans-serif;
    border-radius: 99px;
    transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
    cursor: default;
}
.tech-pill:hover {
    background: var(--blue);
    color: var(--bg-dark);
    border-color: var(--blue);
    box-shadow: 0 0 12px hsl(215 100% 65% / .45);
    transform: scale(1.06);
}

/* ─── Aplicaciones ─────────────────────────────────────────────────── */
.apps-section {
    background: var(--bg);
}
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}
.app-card {
    background: var(--bg-card);
    border: 1px solid hsl(215 30% 88%);
    border-radius: var(--radius);
    padding: 1.8rem;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: .9rem;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
}
/* Glare / sweep sutil al hover */
.app-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 40%, hsl(215 100% 70% / .07) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform .5s cubic-bezier(.4, 0, .2, 1);
    pointer-events: none;
}
.app-card:hover::before {
    transform: translateX(100%);
}
.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 0 1px hsl(215 100% 65% / .40), 0 12px 36px hsl(215 40% 60% / .20);
    border-color: hsl(215 100% 70% / .50);
}
.app-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    overflow: hidden;
    flex-shrink: 0;
}
.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.app-card h3 {
    font-size: 1.25rem;
    color: var(--text);
}
.app-card p {
    font-size: .94rem;
    color: var(--text-muted);
    flex-grow: 1;
}

/* ─── Contacto ─────────────────────────────────────────────────────── */
.contact-section {
    background: var(--bg);
}
.contact-box {
    background: var(--bg-dark);
    border-radius: var(--radius);
    border: 1px solid var(--blue-border);
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    max-width: 600px;
    position: relative;
    overflow: hidden;
}
.contact-box::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(hsl(215 100% 75% / .05) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}
.contact-box p {
    font-size: 1rem;
    color: hsl(220 20% 70%);
    position: relative;
    z-index: 1;
}
.contact-box .section-heading {
    color: var(--text-light);
    position: relative;
    z-index: 1;
}
.contact-box .section-heading::before {
    background: var(--blue);
}

/* Social links */
.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    position: relative;
    z-index: 1;
}
.social-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: .88rem;
    font-weight: 700;
    font-family: 'Google Sans', sans-serif;
    border: 1px solid transparent;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
    text-decoration: none;
}
.social-btn svg {
    flex-shrink: 0;
}
/* GitHub */
.social-btn--github {
    background: hsl(0 0% 100% / .07);
    color: hsl(0 0% 90%);
    border-color: hsl(0 0% 100% / .12);
}
.social-btn--github:hover {
    background: hsl(0 0% 100% / .13);
    border-color: hsl(0 0% 100% / .30);
    box-shadow: 0 4px 16px hsl(0 0% 0% / .3);
    transform: translateY(-2px);
}
/* Instagram */
.social-btn--instagram {
    background: hsl(340 60% 20% / .5);
    color: hsl(340 80% 75%);
    border-color: hsl(340 60% 50% / .3);
}
.social-btn--instagram:hover {
    background: hsl(340 60% 25% / .7);
    border-color: hsl(340 60% 60% / .55);
    box-shadow: 0 4px 20px hsl(340 80% 50% / .30);
    transform: translateY(-2px);
}
/* Reddit */
.social-btn--reddit {
    background: hsl(20 80% 20% / .5);
    color: hsl(20 90% 70%);
    border-color: hsl(20 80% 50% / .3);
}
.social-btn--reddit:hover {
    background: hsl(20 80% 25% / .7);
    border-color: hsl(20 80% 60% / .55);
    box-shadow: 0 4px 20px hsl(20 90% 50% / .30);
    transform: translateY(-2px);
}
/* X / Twitter */
.social-btn--x {
    background: hsl(0 0% 100% / .07);
    color: hsl(0 0% 90%);
    border-color: hsl(0 0% 100% / .12);
}
.social-btn--x:hover {
    background: hsl(0 0% 100% / .13);
    border-color: hsl(0 0% 100% / .30);
    box-shadow: 0 4px 16px hsl(0 0% 0% / .35);
    transform: translateY(-2px);
}

/* Fila de GitHub principal */
.contact-main-link {
    position: relative;
    z-index: 1;
}

/* ─── Footer ─────────────────────────────────────────────────────── */
footer {
    background-color: var(--bg-dark);
    border-top: 1px solid var(--blue-border);
    color: hsl(220 15% 55%);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .8rem;
    padding: 1.6rem 2.5rem;
    font-size: .85rem;
}
footer a {
    color: var(--blue);
    font-weight: 700;
    position: relative;
}
footer a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -.15rem;
    width: 100%;
    height: 2px;
    background: var(--blue);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
}
footer a:hover { color: var(--text-light); }
footer a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
    background: var(--text-light);
}
.footer-socials {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}
.footer-socials a {
    color: hsl(220 15% 55%);
    display: flex;
    align-items: center;
    transition: color var(--transition), transform var(--transition);
}
.footer-socials a::after { display: none; }
.footer-socials a:hover {
    color: var(--blue);
    transform: translateY(-2px);
}

/* ─── Accesibilidad: focus visible ──────────────────────────────── */
.nav-link:focus-visible,
.btn:focus-visible,
footer a:focus-visible,
#txt-intro .blue-link:focus-visible,
.social-btn:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 3px;
    border-radius: 2px;
}

/* ─── Animaciones de entrada con stagger ─────────────────────────── */
.fade-up {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .55s ease, transform .55s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}
/* Stagger para hijos directos de grids dentro de fade-up visible */
.fade-up.visible .prose-card:nth-child(1),
.fade-up.visible .tech-categoria:nth-child(1),
.fade-up.visible .app-card:nth-child(1) { transition-delay: .05s; }

.fade-up.visible .prose-card:nth-child(2),
.fade-up.visible .tech-categoria:nth-child(2),
.fade-up.visible .app-card:nth-child(2) { transition-delay: .12s; }

.fade-up.visible .prose-card:nth-child(3),
.fade-up.visible .tech-categoria:nth-child(3),
.fade-up.visible .app-card:nth-child(3) { transition-delay: .19s; }

.fade-up.visible .prose-card:nth-child(4),
.fade-up.visible .tech-categoria:nth-child(4),
.fade-up.visible .app-card:nth-child(4) { transition-delay: .26s; }

.fade-up.visible .tech-categoria:nth-child(5) { transition-delay: .33s; }

/* Entrada escalonada de cards */
.prose-card,
.tech-categoria,
.app-card {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .45s ease, transform .45s ease,
                box-shadow var(--transition), border-color var(--transition);
}
.fade-up.visible .prose-card,
.fade-up.visible .tech-categoria,
.fade-up.visible .app-card {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 860px) {
    .portada-inner {
        grid-template-columns: 1fr;
    }
    .presentacion-visual {
        display: none;
    }
}
@media (max-width: 700px) {
    .header-bar {
        padding: .85rem 1.4rem;
    }
    .nav-bar { gap: 1.2rem; }
    .section-wrap { padding: 3.5rem 1.4rem; }
    .portada-inner { padding: 5rem 1.4rem 4rem; }
    .contact-box { padding: 2rem 1.4rem; }
    footer { padding: 1.4rem; }
}
@media (max-width: 480px) {
    .portada-headline { font-size: 1.9rem; }
    .btn { width: 100%; justify-content: center; }
    .apps-grid { grid-template-columns: 1fr; }
    footer { flex-direction: column; text-align: center; }
    .footer-socials { justify-content: center; }
    .social-links { flex-direction: column; }
    .social-btn { width: 100%; justify-content: center; }
}

/* ─── Movimiento reducido ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition: none !important;
        animation: none !important;
    }
    .fade-up { opacity: 1; transform: none; }
    .prose-card,
    .tech-categoria,
    .app-card { opacity: 1; transform: none; }
    .portada-headline span {
        background: none;
        -webkit-text-fill-color: var(--blue);
        color: var(--blue);
    }
}