:root {
  --bg: #0d1117;
  --bg-soft: #11161d;
  --panel: #161b22;
  --panel-strong: #0f141b;
  --line: #30363d;
  --line-strong: #3d444d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #00ff41;
  --accent-soft: rgba(0, 255, 65, 0.12);
  --accent-alt: #58a6ff;
  --accent-alt-soft: rgba(88, 166, 255, 0.12);
  --danger: #ff7b72;
  --warning: #d29922;
  --radius: 18px;
  --container: 1180px;
  --font-sans: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --transition: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(88, 166, 255, 0.08), transparent 24%),
    radial-gradient(circle at left top, rgba(0, 255, 65, 0.06), transparent 20%),
    linear-gradient(180deg, #0b0f14 0%, var(--bg) 100%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(48, 54, 61, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(48, 54, 61, 0.18) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 90%);
}

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

button {
  font: inherit;
}

.app-shell {
  position: relative;
  overflow: clip;
}

.section {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(13, 17, 23, 0.86);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-mark,
.brand-copy,
.nav a,
.section-label,
.card-title,
.stack-card h3,
.project-tags li,
.project-actions a,
.terminal-button,
.hero-meta li,
.status-list span,
.status-list strong,
.terminal-line,
.terminal-result,
pre,
code {
  font-family: var(--font-mono);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--accent);
  background: var(--panel);
  font-size: 0.9rem;
}

.brand-copy {
  color: var(--text);
  font-size: 0.95rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav a {
  padding: 0.7rem 0.9rem;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
  border-color: var(--line);
  background: rgba(22, 27, 34, 0.8);
}

.nav-cta {
  color: var(--accent) !important;
  border-color: var(--line) !important;
  background: rgba(0, 255, 65, 0.06);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 1.5rem;
  padding: 4rem 0 2.8rem;
}

.section-label {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 1.6rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.08;
}

.section-heading p:last-child {
  margin: 0.9rem 0 0;
  color: var(--muted);
}

.terminal-window,
.panel-card,
.stack-card,
.project-card,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(22, 27, 34, 0.98), rgba(13, 17, 23, 0.98));
}

.terminal-window {
  overflow: hidden;
  margin-bottom: 1.6rem;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel-strong);
}

.terminal-bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.terminal-bar span:nth-child(1) {
  background: var(--danger);
}

.terminal-bar span:nth-child(2) {
  background: var(--warning);
}

.terminal-bar span:nth-child(3) {
  background: var(--accent);
}

.terminal-bar p {
  margin: 0 0 0 0.45rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.terminal-body {
  padding: 1rem 1.1rem 1.2rem;
}

.terminal-line,
.terminal-result {
  margin: 0;
  font-size: 0.92rem;
}

.terminal-line + .terminal-result,
.terminal-result + .terminal-line {
  margin-top: 0.42rem;
}

.prompt {
  color: var(--accent);
}

.command {
  color: var(--text);
}

.terminal-result {
  color: var(--accent-alt);
  min-height: 1.5em;
}

.terminal-result.is-typing::after {
  content: "_";
  display: inline-block;
  margin-left: 0.12rem;
  color: var(--accent);
  animation: blink 0.8s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero h1 {
  margin: 0;
  max-width: 13ch;
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

.hero-text {
  max-width: 62ch;
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.terminal-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(0, 255, 65, 0.08), rgba(0, 255, 65, 0.03));
  color: var(--accent);
  font-size: 0.84rem;
  transition: transform var(--transition), border-color var(--transition), background-color var(--transition), color var(--transition);
}

.terminal-button::before {
  content: ">";
  margin-right: 0.55rem;
  color: var(--accent);
}

.terminal-button:hover,
.terminal-button:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.terminal-button-secondary {
  background: linear-gradient(180deg, rgba(88, 166, 255, 0.08), rgba(88, 166, 255, 0.03));
  color: var(--accent-alt);
}

.terminal-button-secondary::before {
  color: var(--accent-alt);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-meta li {
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  background: rgba(22, 27, 34, 0.82);
}

.hero-panel {
  display: grid;
  gap: 1rem;
}

.panel-card {
  padding: 1.2rem;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.card-title {
  margin: 0;
  color: var(--accent-alt);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.status-pill {
  padding: 0.28rem 0.55rem;
  border: 1px solid rgba(0, 255, 65, 0.3);
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.status-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.status-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
}

.status-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.status-list span {
  color: var(--muted);
  font-size: 0.78rem;
}

.status-list strong {
  font-size: 0.8rem;
  text-align: right;
}

.code-card pre {
  margin: 0;
  overflow: auto;
  color: var(--text);
  font-size: 0.83rem;
  line-height: 1.7;
}

#stack,
#proyectos,
#contacto {
  padding: 2.8rem 0;
}

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

.stack-card {
  padding: 1.2rem;
  transition: transform var(--transition), border-color var(--transition);
}

.stack-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.stack-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.25rem;
  height: 2rem;
  padding-inline: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--accent);
  background: rgba(0, 255, 65, 0.05);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.stack-card h3 {
  margin: 1rem 0 0.55rem;
  font-size: 1rem;
}

.stack-card p {
  margin: 0;
  color: var(--muted);
}

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

.project-card {
  padding: 1.3rem;
  transition: transform var(--transition), border-color var(--transition);
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-alt);
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.project-badge {
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(88, 166, 255, 0.08);
  color: var(--accent-alt);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.project-card h3 {
  margin: 0.9rem 0 0.7rem;
  font-size: 1.35rem;
  line-height: 1.18;
}

.project-card p {
  margin: 0;
  color: var(--muted);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.project-tags li {
  padding: 0.38rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font-size: 0.74rem;
  background: rgba(22, 27, 34, 0.9);
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.project-actions a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 42px;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--accent);
  font-size: 0.78rem;
  background: rgba(0, 255, 65, 0.04);
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}

.project-actions a::before {
  content: "$";
  color: var(--accent-alt);
}

.project-actions a:hover,
.project-actions a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.contact-panel {
  padding: 1.4rem;
}

.contact-heading {
  margin-bottom: 1.2rem;
}

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

.contact-card h3 {
  margin: 0.85rem 0 0.5rem;
  font-size: 1.25rem;
}

.contact-card p:not(.card-title) {
  margin: 0 0 1rem;
  color: var(--muted);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 980px) {
  .hero,
  .stack-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 11ch;
  }
}

@media (max-width: 820px) {
  .topbar {
    padding: 0.75rem;
  }

  .menu-toggle {
    display: inline-block;
  }

  .nav {
    position: absolute;
    top: calc(100% + 0.55rem);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(13, 17, 23, 0.98);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    width: 100%;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}

@media (max-width: 720px) {
  .section {
    width: min(var(--container), calc(100% - 1.25rem));
  }

  .hero {
    padding-top: 2.8rem;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .contact-links,
  .project-actions {
    flex-direction: column;
  }

  .hero-actions > *,
  .contact-links > *,
  .project-actions > * {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .topbar {
    width: min(var(--container), calc(100% - 1.25rem));
  }

  .brand-copy {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .terminal-body,
  .panel-card,
  .stack-card,
  .project-card,
  .contact-panel {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  #stack,
  #proyectos,
  #contacto {
    padding: 2.2rem 0;
  }
}