:root {
  --bg: #f2f6f7;
  --surface: #ffffff;
  --ink: #0b2a3c;
  --muted: #4d6574;
  --line: #d6e1e6;
  --accent: #e8590c;
  --accent-ink: #ffffff;
  --blue: #0f5f8a;
  --code-bg: #0b2a3c;
  --code-ink: #dbe9f0;
  --radius: 14px;
  --font: "Bricolage Grotesque", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #08141d;
    --surface: #0f2230;
    --ink: #e8f1f5;
    --muted: #93aebc;
    --line: #1d3748;
    --accent: #ff8a3d;
    --accent-ink: #1a0b00;
    --blue: #6cc0ec;
    --code-bg: #050d14;
    --code-ink: #cfe3ee;
    color-scheme: dark;
  }
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  line-height: 1.65;
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.12; margin: 0 0 .6em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 1.2rem + 3.6vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem); font-weight: 800; }
h3 { font-size: clamp(1.1rem, 1rem + .5vw, 1.35rem); font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 1em; max-width: 68ch; }
ul { margin: 0; padding: 0; list-style: none; }
.muted { color: var(--muted); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(1120px, 100% - 2.5rem); margin-inline: auto; }
section { padding-block: clamp(3rem, 8vw, 6rem); }

/* ===== Navegación ===== */
nav {
  position: sticky; top: 0; z-index: 20;
  padding-top: env(safe-area-inset-top, 0px);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.brand { font-weight: 800; font-size: 1.25rem; text-decoration: none; letter-spacing: -0.03em; }
.brand span { color: var(--accent); }
.nav-links { display: flex; gap: .25rem; }
.nav-links a {
  text-decoration: none; padding: .5rem .9rem; border-radius: 999px;
  color: var(--muted); font-weight: 500; transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--ink); background: var(--surface); }
.nav-toggle {
  display: none; background: var(--surface); color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px;
  width: 44px; height: 44px; font-size: 1.3rem; cursor: pointer;
}

/* ===== Hero ===== */
.hero {
  display: grid; gap: 2.5rem; align-items: center;
  padding-block: clamp(2.5rem, 7vw, 5.5rem);
}
.hero p.muted { font-size: 1.1em; margin-bottom: 1.6rem; }
.btns { display: flex; flex-wrap: wrap; gap: .75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: .7rem 1.5rem; border-radius: 999px;
  font-weight: 600; text-decoration: none; border: 2px solid transparent;
  transition: transform .15s, background .2s, border-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.ghost { border-color: var(--line); background: var(--surface); }
.btn.ghost:hover { border-color: var(--accent); }

#div_img { position: relative; max-width: 460px; width: 100%; justify-self: center; }
#img_portfolio {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover; object-position: center top;
  border-radius: 28px; border: 1px solid var(--line);
  box-shadow: 14px 14px 0 var(--accent);
}
#div_img pre {
  margin: -3.5rem 0 0 1.25rem; position: relative;
  background: var(--code-bg); color: var(--code-ink);
  font: 500 clamp(.72rem, .66rem + .3vw, .9rem)/1.7 var(--mono);
  padding: 1.1rem 1.25rem; border-radius: var(--radius);
  overflow-x: auto; max-width: calc(100% - 1.25rem);
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, .55);
}
.k { color: #ff9f5a; }
.s { color: #8fd8a8; }

/* ===== Proyectos ===== */
.projects { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .projects { grid-template-columns: repeat(2, 1fr); gap: 1.75rem; } }
.project {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(1.25rem, 3vw, 2rem);
  transition: border-color .2s, transform .2s;
}
.project:hover { border-color: var(--accent); transform: translateY(-4px); }
.project p { flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.4rem; }
.tags li {
  font-size: .85rem; font-weight: 500; padding: .2rem .75rem;
  border-radius: 999px; background: color-mix(in srgb, var(--blue) 14%, transparent); color: var(--blue);
}
.links { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; font-weight: 600; }
.links a { text-decoration-thickness: 2px; text-underline-offset: 5px; text-decoration-color: var(--accent); }
.links a:hover { color: var(--accent); }


/* ===== Estado y miniatura de proyecto ===== */
.project-head { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1rem; }
.project-head h3 { margin: .45rem 0 0; }
.thumb {
  flex: none; width: clamp(96px, 28%, 128px); aspect-ratio: 10 / 7;
  border-radius: 10px; overflow: hidden; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--blue) 10%, var(--bg));
}
.thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.status {
  --c: var(--muted);
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: .82rem; font-weight: 600; padding: .15rem .7rem;
  border-radius: 999px; color: var(--c);
  border: 1px solid color-mix(in srgb, var(--c) 45%, transparent);
  background: color-mix(in srgb, var(--c) 10%, transparent);
}
.status::before { content: ""; width: .55rem; height: .55rem; border-radius: 50%; background: var(--c); }
.status.done { --c: #1f8a4c; }
.status.wip  { --c: #b7791f; }
.status.wip::before { animation: pulso 1.6s ease-in-out infinite; }
.status.idea { --c: var(--blue); border-style: dashed; }
.status.idea::before { background: transparent; border: 2px dashed var(--c); }
@keyframes pulso { 50% { opacity: .3; } }
@media (prefers-color-scheme: dark) {
  .status.done { --c: #5fd08a; }
  .status.wip  { --c: #f0b64a; }
}
@media (max-width: 420px) { .thumb { width: 84px; } }


/* ===== Ampliar captura ===== */
button.thumb { padding: 0; display: block; cursor: zoom-in; transition: border-color .2s, transform .2s; }
button.thumb:hover { border-color: var(--accent); transform: scale(1.03); }
#lightbox {
  padding: 0; border: 0; background: transparent; color: #fff;
  max-width: min(1000px, 94vw); max-height: 90vh; overflow: visible;
}
#lightbox::backdrop { background: rgba(5, 13, 20, .85); backdrop-filter: blur(4px); }
#lightbox img {
  width: 100%; height: auto; max-height: 85vh; object-fit: contain;
  border-radius: var(--radius); background: var(--surface);
}
.lb-close {
  position: absolute; top: -3rem; right: 0; width: 44px; height: 44px;
  border-radius: 50%; border: 1px solid var(--line); background: var(--surface);
  color: var(--ink); font-size: 1.1rem; cursor: pointer;
}
.lb-close:hover { border-color: var(--accent); }

/* ===== Sobre mí ===== */
.about { display: grid; gap: 2.5rem; }
.edu {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(1.25rem, 3vw, 2rem);
}
.edu p { margin-bottom: 1.1rem; padding-left: 1rem; border-left: 3px solid var(--accent); }
.edu p:last-child { margin-bottom: 0; }
.edu strong { color: var(--ink); }

/* ===== Habilidades ===== */
.skills { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); }
.skills > div {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.5rem;
}
.skills li { padding: .55rem 0; border-bottom: 1px solid var(--line); }
.skills li:last-child { border-bottom: 0; }

/* ===== Contacto ===== */
.big-mail {
  display: block; width: fit-content; max-width: 100%;
  font-size: clamp(1.15rem, .6rem + 3.4vw, 2.6rem); font-weight: 800;
  letter-spacing: -0.02em; overflow-wrap: anywhere;
  text-decoration-thickness: 3px; text-underline-offset: 8px;
  text-decoration-color: var(--accent); margin: 1rem 0 1.8rem;
  transition: color .2s;
}
.big-mail:hover { color: var(--accent); }

footer {
  border-top: 1px solid var(--line); color: var(--muted);
  padding-block: 2rem calc(2rem + env(safe-area-inset-bottom, 0px));
  font-size: .95rem;
}

/* ===== Tablet y superior ===== */
@media (min-width: 760px) {
  .about { grid-template-columns: 1.1fr 1fr; align-items: start; gap: 3.5rem; }
}
@media (min-width: 960px) {
  .hero { grid-template-columns: 1.15fr .85fr; gap: 4rem; }
  #div_img { justify-self: end; }
}

/* ===== Móvil ===== */
@media (max-width: 680px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; gap: 0; padding: .5rem 1.25rem 1rem;
    background: var(--bg); border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .9rem .5rem; border-radius: 8px; font-size: 1.05rem; }
  .btn { flex: 1 1 100%; }
  #img_portfolio { box-shadow: 8px 8px 0 var(--accent); }
  #div_img pre { margin-left: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}