/* ============================================================
   THEME.CSS — Capa de rediseño visual (Fabio Arias Portfolio)
   Se carga DESPUÉS de style.css, por lo que sobreescribe.
   Para revertir: quitar el <link> de theme.css en index.html.
   ============================================================ */

/* ---------- Tipografía ---------- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---------- Tokens / Paleta refinada ---------- */
:root {
    --bg-color: #0a0e16;             /* navy profundo */
    --second-bg-color: #111726;      /* superficie elevada */
    --surface-3: #1a2236;            /* cards / hover */
    --text-color: #eaf0f7;
    --text-muted: #9fb0c3;
    --main-color: #2ee6c0;           /* teal brillante */
    --accent-2: #4f9cff;             /* azul */
    --accent-3: #a78bfa;             /* violeta */
    --grad: linear-gradient(120deg, #2ee6c0 0%, #4f9cff 55%, #a78bfa 100%);
    --grad-soft: linear-gradient(120deg, rgba(46,230,192,.15), rgba(79,156,255,.12));
    --ring: rgba(46, 230, 192, .35);
    --shadow-lg: 0 24px 60px -20px rgba(0,0,0,.6);
    --radius: 1.6rem;
}

/* Tipografías base */
* { font-family: 'Inter', sans-serif; }
h1, h2, h3, h4, .logo, .heading, .navbar a, .btn {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    letter-spacing: -0.02em;
}

/* ---------- Fondo global con glow sutil + grano ---------- */
body {
    background:
        radial-gradient(900px 600px at 85% -5%, rgba(79,156,255,.12), transparent 60%),
        radial-gradient(800px 600px at 0% 20%, rgba(46,230,192,.10), transparent 55%),
        var(--bg-color);
    background-attachment: fixed;
}
body::after {
    /* textura de grano muy sutil */
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: .035;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Header: glassmorphism ---------- */
.header {
    background: rgba(10, 14, 22, .55);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border-bottom: 1px solid rgba(255,255,255,.06);
    padding-top: 1.8rem;
    padding-bottom: 1.8rem;
}
.header.sticky {
    background: rgba(10, 14, 22, .8);
    border-bottom: 1px solid rgba(46,230,192,.18);
}
.logo {
    font-weight: 700;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    flex-shrink: 0;
    margin-right: 2rem;          /* separa el logo del menú */
}
/* Aire entre logo y navegación + espaciado de items */
.header { gap: 2.5rem; }
.navbar { gap: 1.8rem; }
@media (max-width: 1350px) {
    .header { gap: 1.5rem; }
    .navbar { gap: 1.3rem; }
    .logo { margin-right: 1rem; }
}
.navbar a {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
}
.navbar a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -6px;
    width: 0; height: 2px;
    background: var(--grad);
    border-radius: 2px;
    transition: width .3s ease;
}
.navbar a:hover, .navbar a.active {
    color: var(--text-color);
}
.navbar a:hover::after, .navbar a.active::after { width: 100%; }

.language-toggle-btn {
    background: var(--grad) !important;
    border: none !important;
    color: #06121a !important;
    font-weight: 700;
    box-shadow: 0 6px 18px -6px var(--ring);
}
.language-toggle-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
    color: #06121a !important;
}

/* ============================================================
   HERO
   ============================================================ */
.home {
    position: relative;
    overflow: hidden;
    gap: 4rem;
    z-index: 2;
}
/* blobs animados de fondo del hero */
.home::before {
    content: '';
    position: absolute;
    inset: -20% -10% auto auto;
    width: 55rem; height: 55rem;
    background: radial-gradient(circle at 30% 30%, rgba(46,230,192,.35), transparent 60%),
                radial-gradient(circle at 70% 70%, rgba(79,156,255,.30), transparent 60%);
    filter: blur(60px);
    opacity: .55;
    z-index: -1;
    animation: heroFloat 14s ease-in-out infinite alternate;
}
.home::after {
    content: '';
    position: absolute;
    left: -10%; bottom: -25%;
    width: 40rem; height: 40rem;
    background: radial-gradient(circle, rgba(167,139,250,.28), transparent 60%);
    filter: blur(70px);
    z-index: -1;
    animation: heroFloat 18s ease-in-out infinite alternate-reverse;
}
@keyframes heroFloat {
    0%   { transform: translate(0,0) scale(1); }
    100% { transform: translate(-4rem, 3rem) scale(1.15); }
}

.home-content { position: relative; z-index: 2; }

.home-content h3 {
    font-family: 'Inter', sans-serif;
    font-size: 2.4rem;
    font-weight: 500;
    color: var(--text-muted);
}
/* pill "Hola yo soy" */
.home-content > h3:first-child {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--main-color);
    padding: .6rem 1.4rem;
    border: 1px solid rgba(46,230,192,.35);
    border-radius: 4rem;
    background: var(--grad-soft);
    margin-bottom: 1.8rem;
}

.home-content h1 {
    font-size: 7.2rem;
    font-weight: 700;
    line-height: 1.05;
    margin: .5rem 0 1rem;
    background: linear-gradient(180deg, #ffffff 30%, #b9c6d6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.home-content h3 .multiple-text,
.multiple-text {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.home-content p {
    font-size: 1.7rem;
    color: var(--text-muted);
    max-width: 52rem;
    line-height: 1.7;
    margin-top: 1rem;
}

/* Redes sociales — refinadas */
.social-media a {
    border-color: rgba(255,255,255,.15);
    color: var(--text-color);
    width: 4.4rem; height: 4.4rem;
    backdrop-filter: blur(4px);
    transition: .35s ease;
}
.social-media a:hover {
    background: var(--grad);
    border-color: transparent;
    color: #06121a;
    transform: translateY(-4px);
    box-shadow: 0 10px 24px -8px var(--ring);
}

/* Botones modernos */
.btn {
    background: var(--grad);
    color: #06121a;
    font-weight: 700;
    padding: 1.2rem 3rem;
    box-shadow: 0 12px 28px -10px var(--ring);
    border-radius: 4rem;
    transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
.btn:hover {
    transform: translateY(-3px);
    filter: brightness(1.06);
    box-shadow: 0 18px 36px -10px var(--ring);
}
/* Segundo botón del grupo como "ghost" para jerarquía */
.btn-group .btn:last-child {
    background: transparent;
    color: var(--text-color);
    border: 1.5px solid rgba(255,255,255,.18);
    box-shadow: none;
}
.btn-group .btn:last-child:hover {
    border-color: var(--main-color);
    color: var(--main-color);
    background: var(--grad-soft);
}

/* Foto del hero con glow / anillo */
.contenedor-foto {
    position: relative;
    border: none;
    width: 34vw; height: 34vw;
    max-width: 42rem; max-height: 42rem;
    box-shadow: 0 0 0 2px rgba(46,230,192,.5),
                0 0 0 12px rgba(46,230,192,.06),
                var(--shadow-lg);
    animation: floatImage 5s ease-in-out infinite;
}
.contenedor-foto::before {
    content: '';
    position: absolute;
    inset: -24px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--main-color), var(--accent-2), var(--accent-3), var(--main-color));
    filter: blur(26px);
    opacity: .45;
    z-index: -1;
    animation: spin 12s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   HEADINGS de sección
   ============================================================ */
.heading, .services h2.heading {
    font-size: 4.8rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}
.heading span, .services h2.heading span {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ============================================================
   SECCIONES / SUPERFICIES
   ============================================================ */
.about, .portfolio { background: var(--second-bg-color); position: relative; z-index: 2; }
section { position: relative; z-index: 2; }

.about-content h2 { font-size: 4.5rem; }
.about-content h3 { color: var(--main-color); }
.about-content p { color: var(--text-muted); }

/* Cards (services / cert / tech) — más limpias y consistentes */
.services-box, .cert-card, .tech-card {
    background: linear-gradient(180deg, var(--surface-3), var(--second-bg-color));
    border: 1px solid rgba(255,255,255,.07);
    border-radius: var(--radius);
    box-shadow: 0 10px 30px -18px rgba(0,0,0,.7);
}
.services-box:hover, .cert-card:hover, .tech-card:hover {
    border-color: rgba(46,230,192,.45);
    box-shadow: 0 22px 48px -20px var(--ring);
    transform: translateY(-8px);
}
.services-box i { color: var(--main-color); }
.services-box h3 { animation: none; color: var(--text-color); }
.services-box p { color: var(--text-muted); }

/* Botón de "ver más" dentro de cards */
.services-box .btn { color: #06121a; border-radius: .9rem; }

/* Portfolio overlay más elegante */
.portfolio-box .portfolio-layer {
    background: linear-gradient(to top, rgba(6,10,16,.92) 10%, rgba(46,230,192,.55) 100%);
}
.portfolio-layer a {
    background: var(--grad);
    color: #06121a;
}

/* Footer */
.footer { background: var(--second-bg-color); border-top: 1px solid rgba(255,255,255,.06); }
.footer-iconTop a { background: var(--grad); }

/* ============================================================
   RESPONSIVE: ajustes del hero rediseñado
   ============================================================ */
@media (max-width: 991px) {
    .home-content h1 { font-size: 5.6rem; }
    .contenedor-foto { width: 60vw; height: 60vw; }
}
@media (max-width: 768px) {
    .home-content h1 { font-size: 4.6rem; }
    .home-content > h3:first-child { font-size: 1.3rem; }
    .heading, .services h2.heading { font-size: 3.6rem; }
    .contenedor-foto { width: 70vw; height: 70vw; }
}
@media (max-width: 450px) {
    .home-content h1 { font-size: 3.8rem; }
}

/* Respeta usuarios que prefieren menos movimiento */
@media (prefers-reduced-motion: reduce) {
    .home::before, .home::after, .contenedor-foto, .contenedor-foto::before { animation: none; }
}

/* ============================================================
   TARJETA DE PROYECTO SIN CAPTURA (design-card)
   ============================================================ */
.portfolio-box.design-card { aspect-ratio: 16 / 9; }
.design-card-bg {
    width: 100%; height: 100%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 1.1rem;
    background: linear-gradient(135deg, #111726 0%, #1a2236 55%, rgba(46,230,192,.12) 100%);
    position: relative;
    overflow: hidden;
}
.design-card-bg::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 50% 30%, rgba(46,230,192,.20), transparent 60%);
}
.design-card-bg i {
    font-size: 5.5rem;
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
    position: relative;
}
.design-card-bg h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.8rem; color: var(--text-color); position: relative;
}
.stack-tags {
    display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center;
    position: relative; padding: 0 1.2rem; max-width: 90%;
}
.stack-tags span {
    font-size: 1.2rem; color: var(--text-muted);
    border: 1px solid rgba(255,255,255,.14); border-radius: 2rem;
    padding: .35rem 1rem; background: rgba(255,255,255,.04);
}
.private-badge {
    display: inline-flex; align-items: center; gap: .5rem;
    font-size: 1.4rem; font-weight: 700; color: #06121a;
    background: var(--grad); padding: .7rem 1.6rem; border-radius: 2rem;
    flex-shrink: 0;
}

/* ============================================================
   PORTFOLIO: overlay y BOTÓN siempre visibles + responsividad
   ============================================================ */
.portfolio-container {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.portfolio-box { aspect-ratio: 16 / 11; }

.portfolio-box .portfolio-layer {
    justify-content: center;
    gap: .5rem;
    padding: 1.6rem 1.4rem;
    overflow-y: auto;                 /* seguridad: nada queda inaccesible */
    background: linear-gradient(to top, rgba(6,10,16,.96) 30%, rgba(46,230,192,.45) 100%);
}
.portfolio-layer h4 {
    font-size: 1.9rem;
    margin-bottom: .2rem;
    line-height: 1.15;
    flex-shrink: 0;
}
.portfolio-layer p {
    font-size: 1.3rem;
    line-height: 1.4;
    margin: 0 0 1.1rem;
    /* recorta a 5 líneas para que SIEMPRE entre el botón */
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
/* Botón: pill claro, nunca se corta */
.portfolio-layer a {
    width: auto;
    height: auto;
    min-height: 4.4rem;
    padding: .7rem 2rem;
    border-radius: 3rem;
    font-size: 1.5rem;
    font-weight: 700;
    gap: .6rem;
    background: var(--grad);
    color: #06121a;
    flex-shrink: 0;
    box-shadow: 0 8px 20px -8px var(--ring);
}
.portfolio-layer a i { font-size: 2rem; }
.portfolio-layer a:hover { filter: brightness(1.08); transform: translateY(-2px); }

/* En pantallas táctiles (sin hover) mostramos el overlay siempre */
@media (hover: none) {
    .portfolio-box .portfolio-layer { transform: translateY(0); }
    .portfolio-box img { transform: scale(1.05); }
    .portfolio-box.design-card .design-card-bg { filter: brightness(.5); }
}

@media (max-width: 768px) {
    .portfolio-box { aspect-ratio: 16 / 12; }
    .portfolio-layer p { -webkit-line-clamp: 4; font-size: 1.25rem; }
    .portfolio-layer h4 { font-size: 1.7rem; }
}
@media (max-width: 450px) {
    .portfolio-box { aspect-ratio: 4 / 3; }
}

/* ============================================================
   SECCIÓN FUSALABS (CTA / banner)
   ============================================================ */
.fusalabs-cta {
    min-height: auto;
    padding: 6rem 9% 7rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg-color);
    position: relative;
    z-index: 2;
}
.fusalabs-inner {
    width: 100%;
    max-width: 95rem;
    text-align: center;
    padding: 5rem 3rem;
    border-radius: 2.6rem;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(600px 280px at 50% 0%, rgba(46,230,192,.20), transparent 70%),
        linear-gradient(135deg, #111726, #1a2236);
    border: 1px solid rgba(46,230,192,.28);
    box-shadow: var(--shadow-lg);
}
.fusalabs-inner > i {
    font-size: 5rem;
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.fusalabs-inner h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 4.6rem;
    margin: 1rem 0 1.2rem;
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.fusalabs-inner p {
    font-size: 1.7rem;
    color: var(--text-muted);
    max-width: 62rem;
    margin: 0 auto 2.6rem;
    line-height: 1.65;
}
.fusalabs-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-size: 1.6rem;
}
.fusalabs-cta .btn i { font-size: 2rem; }

@media (max-width: 768px) {
    .fusalabs-inner { padding: 3.5rem 1.6rem; }
    .fusalabs-inner h2 { font-size: 3.4rem; }
    .fusalabs-inner p { font-size: 1.5rem; }
}

/* ============================================================
   BOTONES DE DESCARGA DE CV (sección Curriculum)
   Sobreescriben el estilo de .services-box .btn y su icono 5rem
   ============================================================ */
#curriculum .services-box .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    width: auto;
    margin-top: 1.6rem;
    padding: 1.1rem 2.6rem;
    border-radius: 4rem;
    background: var(--grad);
    color: #06121a;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    box-shadow: 0 10px 24px -10px var(--ring);
    transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
#curriculum .services-box .btn:hover {
    transform: translateY(-3px);
    filter: brightness(1.08);
    color: #06121a;
    background: var(--grad);
    box-shadow: 0 16px 34px -10px var(--ring);
}
/* Icono del botón: anula el 5rem/display:block de .services-box i */
#curriculum .services-box .btn i {
    font-size: 1.9rem;
    display: inline-flex;
    margin: 0;
    color: #06121a;
}