:root {
  --bg: #070b14;
  --surface: #101827;
  --surface-2: #121d31;
  --ink: #eef5ff;
  --muted: #9fb0c7;
  --line: #223047;
  --primary: #4f8cff;
  --primary-dark: #9cc2ff;
  --accent: #28d9c4;
  --warm: #ffb84d;
  --danger: #ef4444;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(79, 140, 255, 0.16), transparent 32%),
    radial-gradient(circle at 90% 12%, rgba(40, 217, 196, 0.12), transparent 28%),
    var(--bg);
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  overflow-x: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.page-shell {
  min-height: 100vh;
}

.content-wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(7, 11, 20, 0.82);
  border-bottom: 1px solid rgba(34, 48, 71, 0.82);
  backdrop-filter: blur(18px);
}

.navbar {
  width: min(1180px, calc(100% - 32px));
  height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  color: #f8fbff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius);
  box-shadow: 0 14px 34px rgba(79, 140, 255, 0.28);
}

.brand-text {
  letter-spacing: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu a {
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius);
  transition: color 180ms ease, background 180ms ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #eef5ff;
  background: rgba(79, 140, 255, 0.16);
}

.nav-toggle {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: none;
  place-items: center;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  display: block;
  background: var(--ink);
}

.section {
  padding: 96px 0;
}

.section-band {
  position: relative;
}

.section-band.soft {
  background: linear-gradient(180deg, #0b1220, #101827);
}

.section-band.dark {
  background: #050813;
  color: #fff;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 140px;
  background: linear-gradient(180deg, rgba(7, 11, 20, 0), var(--bg));
  pointer-events: none;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.95;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 56px;
  align-items: center;
  padding: 78px 0 120px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-band.dark .eyebrow {
  color: #7dd3fc;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.1rem, 4.1vw, 3.65rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.12rem;
  letter-spacing: 0;
}

.hero-lead,
.section-copy,
.text-panel p,
.capability p,
.project-content p,
.timeline-item span {
  color: var(--muted);
  line-height: 1.75;
}

.hero-lead {
  max-width: 650px;
  margin: 26px 0 0;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-primary {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 18px 38px rgba(79, 140, 255, 0.26);
}

.btn-secondary {
  color: #dbeafe;
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
}

.btn-sm {
  min-height: 38px;
  padding: 0.45rem 1rem;
  font-size: 0.9rem;
}

.profile-panel {
  padding: 24px;
  background: rgba(16, 24, 39, 0.84);
  border: 1px solid rgba(78, 101, 138, 0.46);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.profile-card {
  display: flex;
  align-items: center;
  gap: 16px;
}

.avatar {
  width: 76px;
  height: 76px;
  flex: 0 0 76px;
  display: grid;
  place-items: center;
  color: #fff;
  background:
    radial-gradient(circle at 28% 24%, rgba(255, 255, 255, 0.58), transparent 28%),
    linear-gradient(135deg, #0b1120, var(--primary));
  border-radius: var(--radius);
  font-size: 1.3rem;
  font-weight: 900;
}

.profile-card h2 {
  font-size: 1.35rem;
}

.profile-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.4;
}

.status-line {
  margin: 24px 0;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #c8fff7;
  background: rgba(40, 217, 196, 0.1);
  border: 1px solid rgba(40, 217, 196, 0.28);
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 700;
}

.pulse {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  background: var(--accent);
  border-radius: 999px;
  box-shadow: 0 0 0 0 rgba(15, 185, 177, 0.5);
  animation: pulse 1.8s infinite;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.metrics div {
  padding: 16px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}

.metrics strong {
  display: block;
  color: var(--primary-dark);
  font-size: 1.7rem;
}

.metrics span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.section-heading {
  margin-bottom: 36px;
}

.profile-layout,
.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
  align-items: start;
}

.text-panel,
.skill-card,
.contact-form,
.contact-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.22);
}

.contact-panel {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-lead {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.6;
  margin: 0;
}

.contact-location {
  margin: 14px 0 0;
  color: var(--primary-dark);
  font-size: 0.96rem;
  font-weight: 700;
}

.contact-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.text-panel {
  padding: 28px;
}

.text-panel p {
  margin: 0;
}

.text-panel p + p {
  margin-top: 18px;
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.capability {
  min-height: 220px;
  padding: 24px;
  background: linear-gradient(180deg, #121d31, #0c1322);
  color: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.capability::after {
  content: "";
  position: absolute;
  right: -28px;
  bottom: -28px;
  width: 96px;
  height: 96px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.22;
}

.capability span {
  color: #7dd3fc;
  font-weight: 900;
}

.capability h3 {
  margin-top: 22px;
}

.capability p {
  color: #aebdd2;
  margin-bottom: 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.skill-card {
  padding: 24px;
}

.tags,
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tags span,
.project-tags span {
  padding: 8px 10px;
  color: #dbeafe;
  background: rgba(79, 140, 255, 0.12);
  border: 1px solid rgba(79, 140, 255, 0.24);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 800;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card {
  display: grid;
  grid-template-rows: 210px 1fr;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.26);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.36);
}

.project-visual {
  position: relative;
  overflow: hidden;
  background: #111827;
}

.project-visual::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
}

.project-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.project-type {
  margin: 0 0 10px;
  color: #7dd3fc;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.project-content h3 {
  font-size: 1.24rem;
}

.project-links {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.1rem;
  flex-wrap: wrap;
}

/* Certificaciones: 3-card grid on desktop (>=768px), scroll-snap carousel on mobile (<768px) */
.certs-carousel-wrapper {
  position: relative;
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  outline: none;
}

.certs-grid:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: var(--radius);
}

.cert-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.26);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 52px rgba(0, 0, 0, 0.34);
}

.cert-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #0b1220;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.cert-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cert-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cert-issuer {
  margin: 0 0 8px;
  color: #7dd3fc;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cert-body h3 {
  font-size: 1.2rem;
  color: var(--ink);
}

.cert-meta {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.cert-actions {
  margin-top: auto;
  padding-top: 18px;
}

.cert-btn {
  min-height: 40px;
  padding: 0.45rem 1.1rem;
  font-size: 0.9rem;
}

.certs-controls {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 18px;
}

.certs-arrow {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  transition: background 180ms ease, border-color 180ms ease;
}

.certs-arrow:hover {
  background: rgba(79, 140, 255, 0.18);
  border-color: var(--primary);
}

.certs-arrow:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.certs-dots {
  display: flex;
  align-items: center;
  gap: 10px;
}

.certs-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(156, 194, 255, 0.5);
  background: rgba(255, 255, 255, 0.16);
  cursor: pointer;
  transition: width 180ms ease, background 180ms ease;
}

.certs-dot.active {
  width: 26px;
  background: var(--accent);
  border-color: var(--accent);
}

.certs-dot:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 15px;
  width: 2px;
  background: rgba(125, 211, 252, 0.34);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 18px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
}

.timeline-dot {
  width: 14px;
  height: 14px;
  margin-top: 5px;
  background: var(--accent);
  border: 3px solid #050813;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(15, 185, 177, 0.2);
}

.timeline-item p {
  margin: 0 0 8px;
  color: #7dd3fc;
  font-weight: 800;
}

.timeline-item span {
  display: block;
  margin-top: 8px;
  color: #cbd5e1;
}

.timeline-list {
  margin: 12px 0 0;
  padding-left: 20px;
  color: #cbd5e1;
  line-height: 1.65;
  display: grid;
  gap: 6px;
}

.site-footer {
  padding: 28px 0;
  color: #cbd5e1;
  background: #050813;
  border-top: 1px solid var(--line);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-content p {
  margin: 0;
}

.footer-content div {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-content a {
  color: #e5eefc;
  font-weight: 700;
}

.cursor-dot {
  position: fixed;
  left: 0;
  top: 0;
  width: 18px;
  height: 18px;
  z-index: 100;
  pointer-events: none;
  background: rgba(40, 217, 196, 0.16);
  border: 1px solid rgba(40, 217, 196, 0.42);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 160ms ease, height 160ms ease, opacity 160ms ease;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 12px rgba(15, 185, 177, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(15, 185, 177, 0);
  }
}

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

  .skills-grid,
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 767.98px) {
  .content-wrap {
    width: min(100% - 28px, 1120px);
  }

  .navbar {
    height: 68px;
  }

  .brand-text {
    font-size: 0.92rem;
  }

  .nav-toggle {
    display: grid;
  }

  .nav-menu {
    position: fixed;
    top: 68px;
    left: 14px;
    right: 14px;
    display: grid;
    gap: 4px;
    padding: 12px;
    background: #101827;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    padding: 48px 0 76px;
    gap: 32px;
  }

  h1 {
    font-size: clamp(1.85rem, 7.8vw, 2.6rem);
    line-height: 1.12;
  }

  .section {
    padding: 72px 0;
  }

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

  .profile-panel {
    padding: 18px;
  }

  .metrics {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-panel {
    padding: 22px;
  }

  .certs-grid {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 6px;
  }

  .certs-grid::-webkit-scrollbar {
    display: none;
  }

  .cert-card {
    flex: 0 0 100%;
    max-width: 100%;
    scroll-snap-align: center;
    scroll-snap-stop: always;
  }

  .certs-controls {
    display: flex;
  }

  .footer-content {
    align-items: flex-start;
    flex-direction: column;
  }

  .cursor-dot {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}