:root {
  --bg: #07080b;
  --surface: #0d0f14;
  --line: #1b1e26;
  --text: #ecedf0;
  --muted: #8a8f9c;
  --blue: #3d6df5;
  --blue-soft: #7ea0ff;

  --sans: "Archivo", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;

  --gutter: clamp(1rem, 4vw, 2.5rem);
  --max: 72rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 100%);
}

a { color: inherit; }

::selection { background: var(--blue); color: #fff; }

.progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--blue);
  transform-origin: 0 50%;
  transform: scaleX(0);
  z-index: 20;
}

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.1rem var(--gutter);
  background: linear-gradient(var(--bg) 60%, transparent);
}

.brand {
  font-weight: 600;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.links { display: flex; gap: 1.5rem; }

.links a {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  transition: color .15s;
}

.links a:hover { color: var(--text); }

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.hero {
  padding: clamp(5rem, 14vh, 9rem) 0 1rem;
}

.name {
  display: grid;
  width: fit-content;
  margin: 0;
  font-size: clamp(3.6rem, 14vw, 10.5rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.045em;
  cursor: default;
  user-select: none;
}

.name > span { grid-area: 1 / 1; }

.name .base {
  background: linear-gradient(100deg, var(--blue) 0%, var(--blue-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.name .code {
  --mx: 30%;
  --my: 50%;
  --r: 190px;
  color: transparent;
  background-color: #0a1a44;
  background-repeat: repeat;
  -webkit-background-clip: text;
  background-clip: text;
  mask-image: radial-gradient(circle var(--r) at var(--mx) var(--my), #000 45%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle var(--r) at var(--mx) var(--my), #000 45%, transparent 100%);
}

.lead {
  max-width: 34rem;
  margin: 2rem 0 0;
  font-size: 1.2rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: transform .15s, background .15s, border-color .15s;
}

.btn:hover { transform: translateY(-1px); }

.btn.solid { background: var(--text); color: var(--bg); }
.btn.solid:hover { background: #fff; }

.btn.ghost { border: 1px solid #3a3f4b; }
.btn.ghost:hover { border-color: var(--text); }

.block { padding: 5rem 0; scroll-margin-top: 2rem; }

h2 {
  margin: 0 0 2.5rem;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.035em;
}

h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p { margin: 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.card p { color: var(--muted); font-size: 0.95rem; }

.art {
  display: block;
  width: 100%;
  height: 90px;
  margin-bottom: 1.25rem;
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.5;
}

.art text {
  font-family: var(--mono);
  font-size: 13px;
  fill: var(--muted);
  stroke: none;
}

.art text.ok { fill: var(--blue-soft); }

.art-api line { stroke-dasharray: 106; stroke-dashoffset: 106; }
.art-api .req { animation: draw 2.4s ease-in-out infinite; }
.art-api .res { animation: draw 2.4s ease-in-out .6s infinite; }

@keyframes draw {
  0%   { stroke-dashoffset: 106; }
  40%  { stroke-dashoffset: 0; }
  80%  { stroke-dashoffset: 0; opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}

.art-link rect { fill: var(--surface); }
.art-link .wire { stroke: #2a3350; }
.art-link .wire,
.art-link .w2 { stroke-dasharray: 6 8; animation: flow 1.2s linear infinite; }
.art-link .w2 { stroke: var(--blue); animation-direction: reverse; }

@keyframes flow { to { stroke-dashoffset: -28; } }

.art-ui .frame { fill: var(--bg); stroke: #2a2f3b; }
.art-ui line { stroke: #2a2f3b; }
.art-ui .dot { fill: #2a2f3b; stroke: none; }
.art-ui .blk {
  stroke: none;
  fill: var(--blue);
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: build 3.6s ease-out infinite;
}
.art-ui .b1 { fill: #1c2a55; }
.art-ui .b2 { animation-delay: .25s; }
.art-ui .b3 { fill: #2b4cb0; animation-delay: .5s; }
.art-ui .b4 { fill: #2b4cb0; animation-delay: .75s; }

@keyframes build {
  0%       { opacity: 0; transform: scale(.85); }
  12%, 75% { opacity: 1; transform: none; }
  90%,100% { opacity: 0; transform: none; }
}

.art-bars line { stroke: #2a2f3b; }
.art-bars .bar {
  fill: var(--blue);
  stroke: none;
  transform-box: fill-box;
  transform-origin: bottom;
  animation: bar 3s ease-in-out infinite;
}
.art-bars .bar:nth-child(2) { animation-delay: -.6s; }
.art-bars .bar:nth-child(3) { animation-delay: -1.4s; }
.art-bars .bar:nth-child(4) { animation-delay: -2.1s; }
.art-bars .bar:nth-child(5) { animation-delay: -.9s; }

@keyframes bar {
  0%, 100% { transform: scaleY(.35); }
  50%      { transform: scaleY(1); }
}

.stack {
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.note {
  max-width: 36rem;
  margin: -1.5rem 0 2.5rem;
  color: var(--muted);
}

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

.project {
  display: flex;
  flex-direction: column;
  padding: 0 1.5rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  transition: border-color .2s;
}

.project:hover { border-color: #2c3445; }

.project header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 -1.5rem 1.25rem;
  padding: 0.65rem 1.5rem;
  border-bottom: 1px solid var(--line);
}

.project header::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2a2e38;
  box-shadow: 13px 0 #2a2e38, 26px 0 #2a2e38;
  margin-right: 32px;
}

.path {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.project p { color: var(--muted); font-size: 0.95rem; flex: 1; }

.project .role {
  flex: 0;
  margin-top: 0.75rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--blue);
  color: var(--text);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--blue-soft);
}

.timeline-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 4rem;
}

h4 {
  margin: 0 0 1.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0 0 2rem 1.75rem;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 9px;
  height: 9px;
  border: 1.5px solid #4a5060;
  border-radius: 50%;
  background: var(--bg);
}

.timeline li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1.2rem;
  bottom: 0.2rem;
  width: 1px;
  background: var(--line);
}

.timeline li.now::before {
  border-color: var(--blue);
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(61,109,245,.18);
}

.timeline li.now::after { background: linear-gradient(var(--blue), var(--line)); }

.when {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.timeline strong { font-weight: 600; font-size: 1.05rem; }
.where { color: var(--muted); }

.contact {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem 4rem;
  padding-bottom: 6rem;
}

.big {
  font-size: clamp(2.8rem, 9vw, 6.5rem);
  margin-bottom: 0;
}

.contact .lead { margin-top: 1.5rem; }

.contact .lead a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--blue);
  text-underline-offset: 4px;
}

.copy.done::after {
  content: " ✓";
  color: var(--blue-soft);
}

.btn.copy.done::after { content: ""; }

.photo {
  position: relative;
  display: grid;
  place-items: center;
  width: clamp(150px, 18vw, 220px);
  height: clamp(150px, 18vw, 220px);
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, #12204a, #0d0f14);
  border: 1px solid var(--line);
}

.photo span {
  font-family: var(--mono);
  font-size: 2rem;
  color: var(--blue-soft);
}

.photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

footer { border-top: 1px solid var(--line); }

.foot-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem var(--gutter);
}

.foot-inner strong { font-weight: 600; }
.foot-inner small { color: var(--muted); font-size: 0.8rem; width: 100%; }

.social { display: flex; gap: 1.1rem; }

.social a { color: var(--muted); transition: color .15s; }
.social a:hover { color: var(--text); }

.social svg {
  display: block;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}

.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 1060px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .projects { grid-template-columns: 1fr; }
  .timeline-wrap { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; }
  .photo { order: -1; width: 110px; height: 110px; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .cards { grid-template-columns: 1fr; }
  .links a:not(:last-child) { display: none; }
  .hero { padding: 4rem 0 0; }
  .lead { font-size: 1.05rem; }
  .block { padding: 3.5rem 0; }
  .name .code { --r: 120px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}