:root {
  color-scheme: dark;
  --bg: #071014;
  --bg-soft: #0c171c;
  --panel: #101d22;
  --line: #20343c;
  --text: #edf7f6;
  --muted: #91a7ad;
  --blue: #44a3ff;
  --green: #48f5a4;
  --amber: #ffcc66;
  --danger: #ff5d73;
  --shadow: 0 24px 80px rgba(0, 0, 0, .32);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(68, 163, 255, .12), transparent 28rem),
    radial-gradient(circle at 82% 2%, rgba(72, 245, 164, .09), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

code,
.mono {
  font-family: var(--mono);
}

.signal {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .34;
  pointer-events: none;
}

/* Header translúcido: conserva presencia sin tapar el contenido. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 5vw, 4rem);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  background: rgba(7, 16, 20, .78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-weight: 800;
}

.brand__mark {
  display: grid;
  width: 2.15rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(72, 245, 164, .55);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(68, 163, 255, .18), rgba(72, 245, 164, .13));
  color: var(--green);
  font-family: var(--mono);
  box-shadow: 0 0 30px rgba(72, 245, 164, .12);
}

.brand__name {
  font-family: var(--mono);
  letter-spacing: 0;
}

.nav {
  display: flex;
  gap: clamp(.7rem, 2vw, 1.4rem);
  color: var(--muted);
  font-size: .92rem;
}

.nav a:hover {
  color: var(--green);
}

main {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 4.2rem);
  display: grid;
  align-content: center;
  padding: 4rem 0 3rem;
}

.eyebrow {
  margin: 0 0 .9rem;
  color: var(--green);
  font-family: var(--mono);
  font-size: .78rem;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1rem;
  font-size: clamp(4rem, 12vw, 9.5rem);
  line-height: .86;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: .95;
}

h3 {
  margin-bottom: .8rem;
  font-size: 1.55rem;
}

.hero__copy {
  max-width: 760px;
  color: #c9d8da;
  font-size: clamp(1.08rem, 2vw, 1.45rem);
  line-height: 1.65;
}

.hero__actions,
.contact {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .85rem;
}

.button {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .75rem 1rem;
  background: rgba(255, 255, 255, .03);
  color: var(--text);
  font: 700 .92rem var(--mono);
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, color .18s ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: var(--green);
  color: var(--green);
}

.button--primary {
  border-color: rgba(68, 163, 255, .58);
  background: rgba(68, 163, 255, .12);
}

.button--danger {
  position: relative;
  border-color: rgba(255, 93, 115, .5);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  margin: 3rem 0 0;
}

.metrics div,
.project,
.manifesto__body {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 29, 34, .74);
  box-shadow: var(--shadow);
}

.metrics div {
  padding: 1rem;
}

.metrics dt {
  color: var(--muted);
  font: .74rem var(--mono);
  text-transform: uppercase;
}

.metrics dd {
  margin: .35rem 0 0;
  color: var(--text);
  font: 700 .96rem var(--mono);
}

.section {
  padding: 5.5rem 0;
}

.section__head {
  display: grid;
  gap: .25rem;
  margin-bottom: 1.4rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.project {
  padding: 1.4rem;
}

.project__top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font: .75rem var(--mono);
  text-transform: uppercase;
}

.project__status {
  color: var(--green);
}

.project p,
.manifesto__body p,
.contact p {
  color: #b9cacf;
  line-height: 1.7;
}

.project a {
  display: inline-flex;
  margin-top: .5rem;
  color: var(--blue);
  font: 700 .9rem var(--mono);
}

.project a:hover {
  color: var(--green);
}

.manifesto__body {
  max-width: 860px;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.manifesto__body p:last-child {
  margin-bottom: 0;
}

.aside {
  border-left: 2px solid var(--amber);
  padding-left: 1rem;
}

.contact {
  justify-content: space-between;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact p {
  max-width: 480px;
  margin: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem clamp(1rem, 5vw, 4rem);
  color: var(--muted);
  font-size: .88rem;
}

.panic {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(7, 16, 20, .88);
  backdrop-filter: blur(10px);
}

.panic[hidden] {
  display: none;
}

.panic__terminal {
  width: min(680px, 100%);
  border: 1px solid rgba(72, 245, 164, .4);
  border-radius: 8px;
  padding: 1rem;
  background: #030806;
  box-shadow: 0 0 60px rgba(72, 245, 164, .16);
}

.panic__dot {
  display: inline-block;
  width: .65rem;
  aspect-ratio: 1;
  margin-right: .35rem;
  border-radius: 50%;
  background: var(--danger);
}

.panic__dot:nth-child(2) {
  background: var(--amber);
}

.panic__dot:nth-child(3) {
  background: var(--green);
}

.panic pre {
  margin: 1rem 0 0;
  overflow: auto;
  color: var(--green);
  font: .9rem/1.6 var(--mono);
  white-space: pre-wrap;
}

.matrix-mode {
  --bg: #020704;
  --bg-soft: #031108;
  --panel: #06160c;
  --line: #195f37;
  --text: #d8ffe7;
  --muted: #88b99b;
  --blue: #77ff9b;
  --green: #39ff14;
  --amber: #efff6b;
}

.party-mode {
  --bg: #150616;
  --panel: #201024;
  --line: #6b386d;
  --text: #fff6fb;
  --muted: #d9a9cd;
  --blue: #ff7ad9;
  --green: #9dff7a;
  --amber: #fff06a;
}

@media (max-width: 760px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
  }

  .metrics,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .contact {
    align-items: flex-start;
  }
}