:root {
  --bg: #050816;
  --bg-soft: #0b1020;
  --card-bg: #0f172a;
  --card-bg-soft: #0b1220;
  --text-main: #e5e7eb;
  --text-soft: #9ca3af;
  --accent: #38bdf8;
  --accent-soft: rgba(56,189,248,0.18);
  --border: #1f2937;
  --radius: 16px;
  --shadow-soft: 0 20px 60px rgba(0,0,0,0.65);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, #1d2538 0, transparent 50%),
    radial-gradient(circle at top right, #0b1120 0, transparent 55%),
    radial-gradient(circle at bottom, #020617 0, #000 55%);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;

  /* 👇 FIX FOOTER */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1; /* 👈 necesario para que el footer baje */
}

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

/* NAVBAR */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(15,23,42,0.9), rgba(15,23,42,0.6));
  border-bottom: 1px solid rgba(31,41,55,0.9);
}

.nav-inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--text-soft);
}

.nav-left:hover {
  color: #e5e7eb;
}

.nav-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34,197,94,0.7);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.6); }
  70% { box-shadow: 0 0 0 10px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--text-soft);
  flex-wrap: wrap;
  font-size: 13px;
}

.nav-links a {
  position: relative;
  padding-bottom: 4px;
  transition: color 0.18s ease-out;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.18s ease-out;
}

.nav-links a:hover {
  color: #e5e7eb;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.nav-link-active {
  color: #e5e7eb;
}

.nav-links a.nav-link-active::after {
  width: 100%;
}

.nav-cta {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.4);
  background: rgba(15,23,42,0.8);
  display: none;
  font-size: 12px;
  color: var(--text-soft);
  gap: 6px;
  align-items: center;
}

.nav-cta span.icon {
  font-size: 13px;
}

@media (min-width: 768px) {
  .nav-cta {
    display: inline-flex;
  }
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 6px;
  align-items: center;
}

.lang-btn {
  background: rgba(15,23,42,0.6);
  border: 1px solid rgba(148,163,184,0.5);
  color: var(--text-soft);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  text-transform: uppercase;
}

.lang-btn:hover {
  color: #e5e7eb;
  border-color: var(--accent);
}

.lang-btn.active {
  border-color: var(--accent);
  color: #e5e7eb;
}

/* LAYOUT */
header {
  padding: 28px 20px 10px;
}

.container {
  max-width: 1060px;
  margin: 0 auto 48px;
  padding: 0 20px 40px;
}

/* HERO HOME */
.hero {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.4fr);
  gap: 28px;
  align-items: center;
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.6);
  background: rgba(15,23,42,0.9);
  font-size: 11px;
  color: var(--text-soft);
}

.chip-code {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 11px;
  background: rgba(15,23,42,0.95);
  border-color: rgba(56,189,248,0.4);
  color: #e5e7eb;
}

.hero-title {
  font-size: 34px;
  font-weight: 700;
  margin: 18px 0 8px;
  letter-spacing: -0.03em;
  animation: fadeUp 0.6s ease-out;
}

.hero-sub {
  font-size: 14px;
  margin: 0 0 14px;
  color: var(--accent);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 40rem;
}

.hero-actions {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  border-radius: 999px;
  padding: 9px 18px;
  border: 1px solid rgba(148,163,184,0.6);
  background: rgba(15,23,42,0.9);
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.2s ease-out, transform 0.15s ease-out, box-shadow 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  color: #0b1120;
  border-color: transparent;
  box-shadow: 0 16px 40px rgba(56,189,248,0.35);
}

.btn span.emoji {
  font-size: 15px;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(15,23,42,0.7);
}

.btn-primary:hover {
  box-shadow: 0 18px 45px rgba(56,189,248,0.45);
}

/* skills ticker */
.skills-strip {
  margin-top: 14px;
  border-radius: 999px;
  border: 1px solid rgba(55,65,81,0.9);
  background: radial-gradient(circle at top left, #111827 0, #020617 80%);
  padding: 6px 10px;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
}

.skills-track {
  display: inline-flex;
  gap: 18px;
  white-space: nowrap;
  animation: marquee 22s linear infinite;
  font-size: 12px;
  color: var(--text-soft);
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.skills-pill {
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.45);
  background: rgba(15,23,42,0.9);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* HERO CARD + efecto glow */
.hero-card {
  position: relative;
  background: radial-gradient(circle at top left, #1f2937 0, #020617 55%);
  border-radius: 22px;
  border: 1px solid rgba(148,163,184,0.55);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow-soft);
  animation: float 6s ease-in-out infinite;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: conic-gradient(from 180deg, rgba(56,189,248,0.1), rgba(56,189,248,0.6), rgba(56,189,248,0.1));
  opacity: 0.7;
  filter: blur(10px);
  mix-blend-mode: screen;
  z-index: -1;
  animation: glowRing 8s linear infinite;
}

@keyframes glowRing {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hero-card-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-soft);
  margin-bottom: 10px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  font-size: 13px;
}

.metric-label {
  color: var(--text-soft);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .13em;
  margin-bottom: 4px;
}

.metric-value {
  font-weight: 500;
}

.console-card {
  margin-top: 14px;
  border-radius: 14px;
  border: 1px solid rgba(55,65,81,0.9);
  background: radial-gradient(circle at top left, #111827 0, #020617 70%);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  padding: 10px 12px;
  color: #e5e7eb;
}

.console-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  color: #6b7280;
  font-size: 11px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #f97373;
}

.dot:nth-child(2) {
  background: #facc15;
}

.dot:nth-child(3) {
  background: #22c55e;
}

.console-body-line {
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.prompt {
  color: #22c55e;
}

.cursor {
  display: inline-block;
  width: 6px;
  height: 12px;
  background: #e5e7eb;
  margin-left: 2px;
  animation: blink 1s steps(2, start) infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* SECTIONS */
.section {
  margin-top: 64px;
}

.section--alt {
  background: radial-gradient(circle at top, #020617 0, #020617 60%, #000 100%);
  border-radius: 24px;
  padding: 24px 18px 28px;
  margin-inline: -18px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 18px;
}

.section-title {
  font-size: 20px;
  font-weight: 600;
}

.section-sub {
  font-size: 13px;
  color: var(--text-soft);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.card {
  background: radial-gradient(circle at top left, #111827 0, #020617 85%);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  border: 1px solid rgba(55,65,81,0.95);
  box-shadow: 0 16px 40px rgba(15,23,42,0.85);
  transition: transform 0.18s ease-out, box-shadow 0.2s ease-out, border-color 0.2s;
  transform-origin: center;
}

.card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 22px 55px rgba(15,23,42,0.95);
  border-color: rgba(56,189,248,0.6);
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.card-text {
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 10px;
  line-height: 1.8;
}

.project-thumb {
  border-radius: 10px;
  background: radial-gradient(circle at top left, #1d4ed8, #020617);
  height: 120px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  opacity: 0.95;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}

.badge {
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.7);
  background: rgba(15,23,42,0.9);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(55,65,81,0.9);
  background: rgba(15,23,42,0.9);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  font-size: 13px;
  color: var(--text-soft);
}

@media (max-width: 768px) {
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }
}

.step {
  border-radius: var(--radius);
  border: 1px dashed rgba(75,85,99,0.8);
  padding: 10px 12px;
  background: rgba(15,23,42,0.9);
}

.step-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.about-bullets .card-text {
  position: relative;
  padding-left: 26px;
  margin-bottom: 8px;
}

.about-bullets .card-text::before {
  content: "⚙️";
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 14px;
}

.about-bullets .card-text:nth-child(2)::before {
  content: "🧠";
}

.about-bullets .card-text:nth-child(3)::before {
  content: "🎨";
}

/* PAGE HERO (subpáginas) */
.page-hero {
  margin-top: 32px;
  margin-bottom: 10px;
}

.page-hero-title {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.04em;
}

.page-hero-sub {
  font-size: 14px;
  color: var(--text-soft);
}

.page-hero + .section .card-text,
.page-hero + .section .about-bullets {
  max-width: 60ch;
}

/* ANIMACIÓN REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s ease-out, transform .5s ease-out;
}

.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* FOOTER */
footer {
  padding: 20px;
  border-top: 1px solid rgba(31,41,55,0.9);
  font-size: 12px;
  color: var(--text-soft);
  text-align: center;
  background: radial-gradient(circle at bottom, #020617 0, #020617 55%, #000 100%);
}

/* RESPONSIVE */
@media (max-width: 640px) {
  .container {
    padding: 0 16px 32px;
    margin-bottom: 32px;
  }
  .section--alt {
    margin-inline: -12px;
    border-radius: 18px;
  }
}

/* SUBPÁGINAS COMPACTAS */
body:not([data-page="home"]) header {
  padding: 16px 20px 0;
}

body:not([data-page="home"]) .container {
  margin: 0 auto 32px;
  padding: 0 20px 24px;
}

body:not([data-page="home"]) .page-hero {
  margin-top: 16px;
  margin-bottom: 0;
}

body:not([data-page="home"]) main .section:first-of-type {
  margin-top: 8px;
}

body:not([data-page="home"]) main .section--alt:first-of-type {
  padding-top: 16px;
  padding-bottom: 20px;
}