:root{--bg:#fff;--bg2:#f5f7fb;--fg:#0f172a;--muted:#5b6475;--card:#fff;--border:#e3e8f0;--accent:#4f46e5;--accent2:#06b6d4;--shadow:0 10px 30px -12px rgba(15,23,42,.18)}
[data-theme=dark]{--bg:#0b0f19;--bg2:#111827;--fg:#e8ecf4;--muted:#9aa4b8;--card:#131a2a;--border:#232c3f;--accent:#818cf8;--accent2:#22d3ee;--shadow:0 10px 30px -12px rgba(0,0,0,.6)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--fg);line-height:1.65;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.container{width:min(1100px,92%);margin:auto}.center{text-align:center}.muted{color:var(--muted)}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;z-index:99;background:var(--accent);color:#fff;padding:.5rem 1rem;border-radius:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:color-mix(in srgb,var(--bg) 80%,transparent);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:1.3rem}.logo span{color:var(--accent)}
nav ul{display:flex;gap:1.5rem;list-style:none}nav a{color:var(--muted);font-weight:500;font-size:.95rem}nav a:hover{color:var(--fg)}
.nav-actions{display:flex;gap:.5rem}.icon-btn{background:var(--card);border:1px solid var(--border);color:var(--fg);width:40px;height:40px;border-radius:10px;cursor:pointer;font-size:1.1rem}
.menu-btn{display:none}
section{padding:96px 0}section:nth-of-type(even){background:var(--bg2)}
.hero{min-height:min(88vh,760px);display:flex;align-items:center;background:radial-gradient(circle at 80% 20%,color-mix(in srgb,var(--accent) 22%,transparent),transparent 45%),radial-gradient(circle at 10% 90%,color-mix(in srgb,var(--accent2) 15%,transparent),transparent 40%)}
.eyebrow{color:var(--accent);font-weight:600}
h1{font-size:clamp(2.6rem,7vw,4.8rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;background:linear-gradient(90deg,var(--fg),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.role{font-size:clamp(1.2rem,3vw,1.7rem);color:var(--muted);font-weight:600;margin:.6rem 0 1rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:640px}.center .lead{margin:auto}
.cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}.center .cta{justify-content:center}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.75rem 1.3rem;border-radius:10px;border:1px solid var(--border);background:var(--card);font-weight:600;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.ghost{background:transparent}
.section-title{font-size:2rem;font-weight:800;letter-spacing:-.02em;margin-bottom:1.5rem}
.section-title::after{content:"";display:block;width:48px;height:4px;border-radius:2px;margin-top:.5rem;background:linear-gradient(90deg,var(--accent),var(--accent2))}
.center .section-title::after{margin-inline:auto}
.about{display:grid;grid-template-columns:1.4fr 1fr;gap:2.5rem}.facts{list-style:none;display:grid;gap:.8rem}
.facts li{background:var(--card);border:1px solid var(--border);padding:.8rem 1rem;border-radius:12px;display:flex;justify-content:space-between;gap:1rem}
.timeline{list-style:none;border-left:2px solid var(--border);padding-left:2rem;display:grid;gap:2rem}
.timeline li{position:relative}.timeline li::before{content:"";position:absolute;left:calc(-2rem - 7px);top:.4rem;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 25%,transparent)}
.date{font-size:.85rem;color:var(--accent);font-weight:600}.timeline h3 span{color:var(--muted);font-weight:500}.timeline p{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;margin-top:1.5rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:1.5rem;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.project{padding:0;overflow:hidden;display:flex;flex-direction:column}
.project-img{aspect-ratio:16/9;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;color:#fff;font-weight:700;font-size:1.4rem}
.project-img img{width:100%;height:100%;object-fit:cover}
.project-body{padding:1.3rem;display:flex;flex-direction:column;gap:.7rem;flex:1}.project-body p{color:var(--muted);flex:1}
.link{color:var(--accent);font-weight:600}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.6rem}
.tags li{font-size:.8rem;padding:.25rem .65rem;border-radius:999px;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);font-weight:600}
.skills{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}
.files{list-style:none;display:grid;gap:1rem}.files li{display:flex;align-items:center;gap:1rem}.files li div{flex:1}.file-icon{font-size:2rem}
footer{padding:2rem 0;text-align:center;color:var(--muted);border-top:1px solid var(--border);font-size:.9rem}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}
@media (max-width:820px){.menu-btn{display:block}nav ul{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--bg);padding:1rem 4%;border-bottom:1px solid var(--border)}nav ul.open{display:flex}.about{grid-template-columns:1fr}section{padding:72px 0}}

/* Trabajos: tarjetas grandes con imagen protagonista */
#proyectos .grid{grid-template-columns:repeat(auto-fill,minmax(440px,1fr));gap:2rem}
#proyectos .project-img{aspect-ratio:4/3;font-size:3rem;overflow:hidden}
#proyectos .project-img img{transition:transform .5s}
#proyectos .project:hover .project-img img{transform:scale(1.05)}
@media (max-width:520px){#proyectos .grid{grid-template-columns:1fr}}

/* WhatsApp */
.btn.whatsapp{background:#25d366;border-color:#25d366;color:#fff}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px -6px rgba(0,0,0,.45);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}

/* Contacto minimalista */
.socials{display:flex;justify-content:center;gap:1.2rem;margin-top:2rem}
.social{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--border);background:var(--card);color:var(--muted);transition:transform .2s,color .2s,border-color .2s,box-shadow .2s}
.social:hover,.social:focus-visible{transform:translateY(-3px);box-shadow:var(--shadow)}
.s-mail:hover{color:#ea4335;border-color:#ea4335}.s-wa:hover{color:#25d366;border-color:#25d366}
.s-li:hover{color:#0a66c2;border-color:#0a66c2}.s-gh:hover{color:var(--fg);border-color:var(--fg)}

/* Minimalismo: sobre mí, habilidades, archivos */
.facts{display:grid;gap:0;align-self:start}
.facts div{display:grid;grid-template-columns:8.5rem 1fr;gap:1rem;padding:.9rem 0;border-bottom:1px solid var(--border)}
.facts div:first-child{border-top:1px solid var(--border)}
.facts dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);padding-top:.15rem}
.facts dd{font-weight:500}
.skills h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:600;padding-bottom:.8rem;border-bottom:1px solid var(--border)}
.skills .tags{gap:.4rem 1.2rem;margin-top:1rem}
.skills .tags li{background:none;padding:0;border-radius:0;color:var(--fg);font-size:.95rem;font-weight:400}
.files{gap:0}.files li{padding:1.2rem 0;border-bottom:1px solid var(--border)}.files li:first-child{border-top:1px solid var(--border)}
.files h3{font-size:1rem;font-weight:600}.files .muted{font-size:.85rem}

/* Botones del inicio como iconos */
.hero-icons{display:flex;gap:1rem;margin-top:2.2rem}
.hero-icons .social:hover,.hero-icons .social:focus-visible{color:var(--fg);border-color:var(--fg)}
/* WhatsApp flotante neutro */
.wa-float{background:var(--card);color:var(--fg);border:1px solid var(--border)}
.wa-float:hover{background:var(--fg);color:var(--bg)}
/* Botón de idioma */
.lang-btn{border-radius:50%;font-size:.72rem;font-weight:600;letter-spacing:.06em}
.icon-btn#theme-toggle{border-radius:50%}

/* Galería de proyectos */
button.project-img{border:0;padding:0;width:100%;cursor:zoom-in;background:var(--bg2)}
#proyectos .project-img img{object-fit:cover}
.project-body button.link{background:none;border:0;padding:0;font:inherit;font-weight:600;cursor:pointer;text-align:left}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(5,8,15,.92);display:flex;align-items:center;justify-content:center;gap:1rem;padding:2rem}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;max-width:min(1200px,86vw);text-align:center}
.lightbox img{max-width:100%;max-height:80vh;border-radius:8px;display:block;margin:auto}
.lightbox figcaption{color:#cbd5e1;font-size:.85rem;margin-top:.9rem;letter-spacing:.02em}
.lightbox button{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;font-size:1.4rem;line-height:1;cursor:pointer;transition:background .2s,color .2s}
.lightbox button:hover,.lightbox button:focus-visible{background:#fff;color:#0b0f19}
.lb-close{position:absolute;top:1.2rem;right:1.2rem}
@media (max-width:600px){.lb-prev,.lb-next{position:absolute;bottom:1.2rem}.lb-prev{left:30%}.lb-next{right:30%}}

/* Fotos centradas (sin recorte) y clic para pasar */
#proyectos .project-img:has(img){background:var(--bg2);position:relative}
#proyectos .project-img img{object-fit:contain;object-position:center;transition:opacity .2s ease}
#proyectos .project:hover .project-img img{transform:none}
button.project-cycle{cursor:pointer}
.dots{position:absolute;left:50%;bottom:.8rem;transform:translateX(-50%);display:flex;gap:6px}
.dots i{width:6px;height:6px;border-radius:50%;background:var(--muted);opacity:.45;transition:opacity .2s,background .2s}
.dots i.on{opacity:1;background:var(--fg)}
.lightbox img{object-fit:contain;cursor:pointer}
#proyectos .project-img:has(img) img{position:absolute;inset:0;width:100%;height:100%}
.dots{z-index:1;padding:4px 7px;border-radius:999px;background:color-mix(in srgb,var(--bg) 55%,transparent)}

/* Fotos uniformes en tarjeta + una sola tarjeta centrada */
#proyectos .project-img:has(img){aspect-ratio:4/3}
#proyectos .project-img img{object-fit:cover;object-position:center}
#proyectos .grid:has(> .project:only-child){grid-template-columns:minmax(0,640px);justify-content:center}

/* Acciones de la tarjeta (galería + Instagram) y tarjetas uniformes */
.card-actions{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:auto;padding-top:.4rem}
.card-ig{width:40px;height:40px}
#proyectos .grid{align-items:stretch}
.card-actions{height:46px;min-height:0}
#proyectos .project-body p.credit{flex:0;font-size:.8rem;color:var(--muted);margin-top:-.2rem}
.credit a{color:var(--fg);text-decoration:underline;text-underline-offset:2px}
#proyectos .grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}
.project-body h3 .badge{display:inline-block;vertical-align:middle;margin-left:.45rem;padding:.1rem .5rem;border:1px solid var(--border);border-radius:999px;font-size:.68rem;font-weight:500;letter-spacing:.04em;color:var(--muted)}
#proyectos .grid{grid-template-columns:repeat(2,minmax(0,1fr))}@media (max-width:760px){#proyectos .grid{grid-template-columns:1fr}}
#proyectos .grid > .project:last-child:nth-child(odd){grid-column:1/-1;justify-self:center;width:calc(50% - .75rem)}@media (max-width:760px){#proyectos .grid > .project:last-child:nth-child(odd){width:auto;justify-self:stretch}}
#proyectos .card-actions{justify-content:flex-start;gap:.5rem}#proyectos .card-actions .card-ig:first-of-type{margin-left:auto}
.logo{display:inline-flex;align-items:center;color:var(--fg);line-height:0}.logo svg{height:14px;width:auto;display:block}@media (max-width:520px){.logo svg{height:12px}}
#proyectos .project-body p.subtitle{flex:0;font-size:.85rem;font-style:italic;color:var(--muted);margin-top:-.45rem}
#proyectos .project-img{position:relative;overflow:hidden}.lightbox figure{position:relative}
img.xf{position:absolute;opacity:0;transform:scale(1.02);transition:opacity .42s ease,transform .42s ease;pointer-events:none;object-fit:contain;object-position:center;margin:0;max-width:none;max-height:none}
#proyectos .project-img img.xf{object-fit:cover}
img.xf.in{opacity:1;transform:none}
#proyectos .project-img img:not(.xf){transition:none}
@media (prefers-reduced-motion:reduce){img.xf{transition:none}}
#proyectos .card-actions .card-ig{margin-left:0}#proyectos .card-actions .project-open{margin-right:auto;cursor:pointer}
@media (hover:hover) and (pointer:fine){#proyectos .project-cycle img:not(.xf){transition:transform .4s ease}#proyectos .project-cycle:hover img:not(.xf),#proyectos .project-cycle:hover img.xf.in{transform:scale(1.05)}#proyectos .project-cycle img.xf{transition:opacity .42s ease,transform .42s ease}}
@media (prefers-reduced-motion:reduce){#proyectos .project-cycle img:not(.xf){transition:none}#proyectos .project-cycle:hover img:not(.xf),#proyectos .project-cycle:hover img.xf.in{transform:none}}
#proyectos button.social{padding:0;font:inherit}
#proyectos .card-actions .card-ig.card-ig:first-of-type{margin-left:0}