/* ============================================
   Portfolio — Design System & Styles
   ============================================ */

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.8);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.4);
  --purple: #8b5cf6;
  --cyan: #06b6d4;
  --pink: #ec4899;
  --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-text: linear-gradient(135deg, #818cf8, #c084fc, #22d3ee);
  --border: rgba(148, 163, 184, 0.12);
  --border-hover: rgba(99, 102, 241, 0.4);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--accent-glow);
  --radius: 12px;
  --radius-lg: 20px;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --header-height: 76px;
  --nav-control-size: 2.75rem;
  --nav-icon-size: 1.125rem;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container: min(1200px, 92vw);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(99, 102, 241, 0.5);
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --accent-glow: rgba(99, 102, 241, 0.2);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}
button { cursor: pointer; }

.container { width: var(--container); margin-inline: auto; }

/* Noise & cursor glow */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s;
}
body:hover .cursor-glow { opacity: 1; }

/* Typography */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow), var(--shadow-glow);
}
.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn--ghost:hover {
  border-color: var(--border-hover);
  background: var(--bg-card);
}
.btn--outline {
  border: 1px solid var(--accent);
  color: var(--accent-light);
}
.btn--outline:hover {
  background: rgba(99, 102, 241, 0.1);
}
.btn--sm { padding: 0.5rem 1rem; font-size: 0.8125rem; }
.btn--full { width: 100%; justify-content: center; }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
[data-theme="light"] .header.scrolled {
  background: rgba(248, 250, 252, 0.9);
}
.nav {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 100%;
  gap: 1rem;
}
.nav__logo {
  display: flex;
  align-items: center;
  justify-self: start;
  grid-column: 1;
  height: var(--nav-control-size);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
  line-height: 1;
  z-index: 1001;
  transition: opacity var(--transition);
}
.nav__logo:hover { opacity: 0.9; }
.nav__logo-name { color: var(--text-primary); }
.nav__logo-accent {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}
/* --- Magic Navigation Menu --- */
.magic-nav__wrapper {
  grid-column: 2;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.magic-nav__wrapper .nav__menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  list-style: none;
}
.magic-nav__item {
  flex-shrink: 0;
}
.magic-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--nav-control-size);
  height: var(--nav-control-size);
  color: var(--text-secondary);
  border-radius: 50%;
  background: transparent;
  transition: color var(--transition), filter var(--transition);
}
.magic-nav__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--nav-icon-size);
  line-height: 1;
  transition: color var(--transition), filter var(--transition);
}
.magic-nav__text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.magic-nav__link:hover .magic-nav__icon {
  color: var(--text-primary);
}
.magic-nav__link.active .magic-nav__icon {
  color: var(--accent-light);
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

@media (min-width: 901px) {
  .magic-nav__wrapper .nav__menu {
    gap: 0.2rem;
  }
  .magic-nav__link {
    width: auto;
    min-height: var(--nav-control-size);
    height: auto;
    padding: 0.45rem 0.75rem;
    gap: 0.45rem;
    border-radius: 100px;
    border: 1px solid transparent;
    transition: color var(--transition), background var(--transition), border-color var(--transition), filter var(--transition);
  }
  .magic-nav__link:hover {
    background: var(--bg-card);
    border-color: var(--border);
  }
  .magic-nav__link.active {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.28);
  }
  .magic-nav__text {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: nowrap;
    border: 0;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
  }
  .magic-nav__link:hover .magic-nav__text {
    color: var(--text-primary);
  }
  .magic-nav__link.active .magic-nav__text {
    color: var(--accent-light);
  }
  .magic-nav__link--cta {
    background: rgba(99, 102, 241, 0.14);
    border-color: rgba(99, 102, 241, 0.32);
  }
  .magic-nav__link--cta:hover {
    background: rgba(99, 102, 241, 0.22);
    border-color: var(--border-hover);
  }
  .magic-nav__link--cta .magic-nav__text {
    color: var(--accent-light);
  }
}

/* Botones circulares con glow (redes, tema) */
.icon-btn-round {
  width: var(--nav-control-size);
  height: var(--nav-control-size);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: var(--nav-icon-size);
  transition: color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.icon-btn-round:hover {
  color: var(--accent-light);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 22px var(--accent-glow);
}
.icon-btn-round:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 3px;
}

.nav__link {
  font-weight: 500;
  text-decoration: none;
}
.nav__actions {
  display: flex;
  align-items: center;
  justify-self: end;
  grid-column: 3;
  gap: 0.75rem;
  flex-shrink: 0;
  z-index: 1001;
}
.theme-toggle {
  cursor: pointer;
  padding: 0;
}
[data-theme="dark"] .theme-toggle { color: var(--accent-light); }
[data-theme="light"] .theme-toggle { color: #f59e0b; }
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: var(--nav-control-size);
  height: var(--nav-control-size);
  align-items: center;
  justify-content: center;
  justify-self: end;
  grid-column: 3;
  z-index: 1001;
}
.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav__toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 2rem) 0 4rem;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}
.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: rgba(99, 102, 241, 0.15);
  top: -10%;
  right: -10%;
}
.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: rgba(139, 92, 246, 0.12);
  bottom: 10%;
  left: -15%;
  animation-delay: -4s;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -30px); }
}
.hero__stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.25rem);
  width: 100%;
}
.hero__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  width: 100%;
}
.hero__head .hero__title {
  max-width: min(100%, 42rem);
  line-height: 1.2;
  margin-bottom: 0;
}
.hero__typewriter-line {
  display: block;
  width: 100%;
  min-height: 1.2em;
  margin-top: 0.15em;
}
.hero__typewriter-live {
  display: block;
  text-align: center;
  line-height: 1.2;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.hero__typewriter-live .hero__typewriter {
  display: inline;
}
.hero__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 34rem);
  grid-template-rows: auto;
  column-gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: stretch;
  width: 100%;
}
.hero__content {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
  align-self: stretch;
  min-height: 100%;
  padding: 0 clamp(1rem, 2vw, 1.5rem) 0 clamp(1.5rem, 5vw, 4rem);
}
.hero__subtitle {
  width: 100%;
  max-width: none;
  padding: 0;
}
.hero__subtitle p {
  font-size: clamp(0.9375rem, 1.35vw, 1.0625rem);
  font-weight: 500;
  color: #e2e8f0;
  line-height: 1.75;
  text-align: left;
  text-wrap: pretty;
  margin: 0 0 1.125rem;
}
[data-theme="light"] .hero__subtitle p {
  color: var(--text-primary);
}
.hero__subtitle p:last-child {
  margin-bottom: 0;
}
.hero__actions {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.875rem;
  width: 100%;
  padding: 0;
  margin: 0;
}
@media (min-width: 769px) {
  .hero__actions {
    flex-wrap: nowrap;
  }
}
/* Badge de disponibilidad */
.availability-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-radius: 100px;
  transition: transform var(--transition), box-shadow var(--transition), color var(--transition);
}
.availability-badge__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.7);
  animation: availability-pulse 2s ease-in-out infinite;
}
.availability-badge__icon {
  font-size: 0.8125rem;
  opacity: 0.95;
}
@keyframes availability-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55); }
  50% { opacity: 0.85; box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); }
}
@keyframes badge-shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}
.availability-badge--hero {
  padding: 0.5rem 1.125rem;
  font-size: 0.875rem;
  background:
    linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
    linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4, #6366f1) border-box;
  background-size: auto, 200% 100%;
  border: 1px solid transparent;
  animation: badge-shimmer 4s linear infinite;
  box-shadow: 0 0 28px rgba(6, 182, 212, 0.2);
}
.availability-badge--hero:hover {
  transform: translateY(-2px);
  color: #67e8f9;
  box-shadow: 0 0 36px rgba(6, 182, 212, 0.35), 0 0 48px var(--accent-glow);
}
.availability-badge--header {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.28);
  color: #4ade80;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), box-shadow var(--transition);
}
.header.scrolled .availability-badge--header {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.availability-badge--header:hover {
  color: #86efac;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.25);
}
.availability-badge--contact {
  margin-bottom: 1.25rem;
  padding: 0.45rem 1rem;
  font-size: 0.8125rem;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.28);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.12);
}
.availability-badge--contact:hover {
  transform: translateY(-1px);
  color: #67e8f9;
  box-shadow: 0 0 28px rgba(6, 182, 212, 0.28);
}
.hero__title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.hero__cursor {
  display: inline-block;
  flex-shrink: 0;
  margin-left: 2px;
  color: var(--cyan);
  font-weight: 400;
  animation: cursor-blink 1s step-end infinite;
}
@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.hero__visual {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  justify-content: flex-start;
  align-items: stretch;
  flex-shrink: 0;
  padding: 0 clamp(1.5rem, 5vw, 4rem) 0 clamp(0.5rem, 1.5vw, 1rem);
  align-self: stretch;
  width: 100%;
  min-height: 100%;
}
.dev-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.dev-card--compact {
  width: 100%;
  max-width: min(100%, 34rem);
  height: 100%;
  min-height: 0;
  padding: 1rem 1.125rem 1.125rem;
}
.dev-card--compact .dev-card__header {
  margin-bottom: 0.75rem;
}
.dev-card--compact .dev-card__dot {
  width: 0.625rem;
  height: 0.625rem;
}
.dev-card--compact .dev-card__filename {
  font-size: 0.6875rem;
  margin-left: 0.35rem;
}
.dev-card--compact .dev-card__code {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: flex-start;
  margin: 0;
  font-size: clamp(0.625rem, 0.85vw, 0.6875rem);
  line-height: 1.45;
  overflow: hidden;
}
.dev-card--compact .dev-card__code code {
  width: 100%;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.dev-card--compact .dev-card__glow {
  width: 8.5rem;
  height: 8.5rem;
  bottom: -2rem;
  right: -2rem;
}
.dev-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}
.dev-card__shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent 55%);
  pointer-events: none;
}
.dev-card__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.dev-card__dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
}
.dev-card__dot--red { background: #ef4444; }
.dev-card__dot--yellow { background: #eab308; }
.dev-card__dot--green { background: #22c55e; }
.dev-card__filename {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.dev-card__code {
  position: relative;
  z-index: 1;
  flex: 1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.6875rem, 1.2vw, 0.8125rem);
  line-height: 1.65;
  color: var(--text-secondary);
  overflow-x: auto;
}
.dev-card__code code { font-family: inherit; }
.tok-keyword { color: var(--pink); }
.tok-name { color: var(--cyan); }
.tok-prop { color: var(--accent-light); }
.tok-string { color: #34d399; }
.tok-number { color: #fbbf24; }
.tok-bool { color: var(--purple); }
.tok-comment { color: var(--text-muted); }
.tok-fn { color: var(--cyan); }
.dev-card__glow {
  position: absolute;
  bottom: -2.5rem;
  right: -2.5rem;
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.25);
  filter: blur(40px);
  pointer-events: none;
  transition: background var(--transition);
}
.dev-card:hover .dev-card__glow {
  background: rgba(6, 182, 212, 0.25);
}
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  animation: bounce 2s infinite;
}
.hero__scroll svg { width: 20px; height: 20px; }
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* Terminal */
.terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.terminal__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .terminal__header { background: rgba(0, 0, 0, 0.04); }
.terminal__dot { width: 12px; height: 12px; border-radius: 50%; }
.terminal__dot--red { background: #ef4444; }
.terminal__dot--yellow { background: #eab308; }
.terminal__dot--green { background: #22c55e; }
.terminal__title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.terminal__body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.8;
}
.terminal__body code { display: block; }
.terminal__prompt { color: var(--accent-light); }
.terminal__output { color: var(--text-primary); }
.terminal__muted { color: var(--text-muted); }
.terminal__success { color: #22c55e; }

/* Stats */
.stats {
  padding: 4rem 0 5rem;
}
.stats__header {
  margin-bottom: 2.5rem;
}
.stats__title {
  font-size: clamp(2.125rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.stat-card {
  position: relative;
  text-align: center;
  padding: 1.75rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), transparent 55%);
  pointer-events: none;
}
.stat-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}
.stat-card__icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-light);
  font-size: 1.125rem;
}
.stat-card__value {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.125rem;
}
.stat-card__number {
  font-size: clamp(2.25rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-card__suffix {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  line-height: 1;
  color: var(--accent-light);
}
.stat-card__label {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 0.625rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Sections */
.section {
  padding: 6rem 0;
}
.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}
.section__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-light);
  margin-bottom: 0.75rem;
}
.section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section__desc {
  color: var(--text-secondary);
  font-size: 1.0625rem;
}
.section__cta {
  text-align: center;
  margin-top: 3rem;
}
.section__cta p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* About */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}
.about__profile {
  position: relative;
  width: min(100%, 20rem);
  margin: 0 auto;
}
.about__profile-border {
  position: absolute;
  inset: -4px;
  border-radius: calc(var(--radius-lg) + 4px);
  background: var(--gradient);
  opacity: 0.35;
  filter: blur(2px);
  transition: opacity var(--transition);
}
.about__profile:hover .about__profile-border {
  opacity: 0.85;
}
.about__profile-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 22rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  overflow: hidden;
}
.about__avatar {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.15), var(--bg-primary));
  font-size: 5rem;
  font-weight: 800;
  color: rgba(148, 163, 184, 0.25);
}
.about__avatar-status {
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.5);
  animation: availability-pulse 2s ease-in-out infinite;
}
.about__profile-info {
  position: relative;
  z-index: 1;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.about__profile-name {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.25rem;
}
.about__profile-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}
.about__profile-location {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.about__profile-location i {
  color: var(--pink);
  font-size: 0.75rem;
}
.about__content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  line-height: 1.35;
}
.about__content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.7;
}
.about__principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}
.about__principles--solo {
  max-width: 52rem;
  margin: 0 auto;
  gap: 1.5rem;
}
.about__principles--solo .about__principle {
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.about__principles--solo .about__principle:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}
.about__principles--solo .about__principle h4 {
  font-size: 1rem;
}
.about__principles--solo .about__principle p {
  font-size: 0.875rem;
}
.section.about {
  padding: 3rem 0 4rem;
}
.about__principle {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.about__principle-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: 1rem;
}
.about__principle-icon--cyan {
  background: rgba(6, 182, 212, 0.12);
  color: var(--cyan);
}
.about__principle-icon--purple {
  background: rgba(139, 92, 246, 0.12);
  color: var(--purple);
}
.about__principle h4 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.about__principle p {
  font-size: 0.8125rem;
  margin-bottom: 0;
  line-height: 1.5;
}

/* Stack (habilidades + tecnologías) */
.section.stack {
  position: relative;
}
.stack__marquee {
  margin-bottom: 2.5rem;
}
.stack__grid,
.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}
.skill-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 15.5rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 55%);
  pointer-events: none;
}
.skill-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  opacity: 0.65;
  transition: opacity var(--transition);
}
.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}
.skill-card:hover::after {
  opacity: 1;
}
.skill-card__top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.skill-card__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius);
  font-size: 1.125rem;
  background: rgba(99, 102, 241, 0.14);
  color: var(--accent-light);
  transition: transform var(--transition), box-shadow var(--transition);
}
.skill-card:hover .skill-card__icon-wrap {
  transform: scale(1.06);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.25);
}
.skill-card__level {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.35rem 0.625rem;
  border-radius: 100px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.skill-card__level--expert {
  color: #34d399;
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.25);
}
.skill-card__level--advanced {
  color: var(--accent-light);
  background: rgba(99, 102, 241, 0.14);
  border-color: rgba(99, 102, 241, 0.28);
}
.skill-card__level--mid {
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.28);
}
.skill-card h3 {
  position: relative;
  z-index: 1;
  font-size: 1.1875rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}
.skill-card__desc {
  position: relative;
  z-index: 1;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}
.skill-card__tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}
.skill-card__tags span {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 0.3rem 0.625rem;
  color: var(--accent-light);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.22);
  border-radius: 6px;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.skill-card:hover .skill-card__tags span {
  background: rgba(99, 102, 241, 0.18);
  border-color: rgba(99, 102, 241, 0.35);
}

/* Tech marquee (usado en stack) */
.tech__marquee {
  overflow: hidden;
  margin-bottom: 2rem;
  opacity: 0.72;
  mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}
.tech__track {
  display: flex;
  gap: 1.5rem;
  animation: marquee 55s linear infinite;
  width: max-content;
}
.tech__track:hover {
  animation-play-state: paused;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.tech__item {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 0.4rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: rgba(17, 24, 39, 0.35);
}
[data-theme="light"] .tech__item {
  background: rgba(248, 250, 252, 0.6);
}
.tech-badge {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all var(--transition);
}
.tech-badge:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  transform: scale(1.05);
}

/* Projects */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.project-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.project-card:hover .project-card__image {
  filter: brightness(1.12);
}
.project-card:hover h3 {
  color: var(--accent-light);
}
.project-card:hover .project-card__tags span {
  background: rgba(99, 102, 241, 0.22);
  border: 1px solid rgba(99, 102, 241, 0.35);
}
.project-card__image {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 80%, transparent), color-mix(in srgb, var(--purple) 60%, transparent));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: filter var(--transition);
}
.project-card__image[style] {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent, #6366f1) 30%, var(--bg-primary)), var(--bg-secondary));
}
.project-card[style] .project-card__image,
.project-card .project-card__image {
  background: linear-gradient(145deg, rgba(99, 102, 241, 0.25), rgba(139, 92, 246, 0.15));
}
.project-card:nth-child(1) .project-card__image { background: linear-gradient(145deg, rgba(99, 102, 241, 0.35), rgba(10, 14, 23, 0.9)); }
.project-card:nth-child(2) .project-card__image { background: linear-gradient(145deg, rgba(139, 92, 246, 0.35), rgba(10, 14, 23, 0.9)); }
.project-card:nth-child(3) .project-card__image { background: linear-gradient(145deg, rgba(6, 182, 212, 0.35), rgba(10, 14, 23, 0.9)); }
.project-card:nth-child(4) .project-card__image { background: linear-gradient(145deg, rgba(236, 72, 153, 0.35), rgba(10, 14, 23, 0.9)); }
.project-card__emoji { font-size: 4rem; transition: transform var(--transition); }
.project-card:hover .project-card__emoji { transform: scale(1.1); }
.project-card__icon {
  font-size: 3.5rem;
  color: var(--accent-light);
  opacity: 0.85;
  transition: transform var(--transition), opacity var(--transition);
}
.project-card:hover .project-card__icon {
  transform: scale(1.08);
  opacity: 1;
}
.project-card__metrics i {
  margin-right: 0.35rem;
  font-size: 0.6875rem;
  opacity: 0.85;
}
.project-card__content { padding: 1.5rem; }
.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.project-card__tags span {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.25rem 0.625rem;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-light);
  border-radius: 6px;
}
.project-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}
.project-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.project-card__metrics {
  display: flex;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--purple), transparent);
}
.timeline__item {
  position: relative;
  padding-bottom: 2.5rem;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__marker {
  position: absolute;
  left: -2rem;
  top: 0.25rem;
  width: 14px;
  height: 14px;
  margin-left: -6px;
  background: var(--accent);
  border: 3px solid var(--bg-primary);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-glow);
}
.timeline__content {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.timeline__content:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}
.timeline__date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-light);
}
.timeline__content h3 {
  font-size: 1.125rem;
  margin: 0.25rem 0;
}
.timeline__company {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.timeline__content p:last-child {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* Services */
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.service-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.15);
  border-radius: 12px;
  margin-bottom: 1.25rem;
  color: var(--accent-light);
}
.service-card__icon svg { width: 28px; height: 28px; }
.service-card h3 { font-size: 1.125rem; margin-bottom: 0.75rem; }
.service-card > p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  flex: 1;
}
.service-card ul {
  margin-bottom: 1.5rem;
}
.service-card li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.25rem 0;
  padding-left: 1rem;
  position: relative;
}
.service-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
}
.service-card__cta {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--accent-light);
  transition: color var(--transition);
}
.service-card__cta:hover { color: var(--cyan); }

/* Testimonials */
.testimonials__slider { overflow: hidden; }
.testimonials__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.testimonial-card {
  flex: 0 0 100%;
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 100%;
}
.testimonial-card__stars {
  color: #eab308;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}
.testimonial-card blockquote {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 1.5rem;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: #fff;
}
.testimonial-card__author strong { display: block; }
.testimonial-card__author span {
  font-size: 0.875rem;
  color: var(--text-muted);
}
.testimonials__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}
.testimonials__btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 1.25rem;
  transition: all var(--transition);
}
.testimonials__btn:hover {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.1);
}
.testimonials__dots {
  display: flex;
  gap: 0.5rem;
}
.testimonials__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all var(--transition);
}
.testimonials__dot.active {
  background: var(--accent);
  width: 28px;
  border-radius: 100px;
}

/* Contact */
.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: start;
  padding: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.contact__info .section__title { text-align: left; }
.contact__info p {
  color: var(--text-secondary);
  margin: 1rem 0 2rem;
}
.contact__details { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.contact__detail {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}
a.contact__detail:hover { color: var(--accent-light); }
.contact__detail svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--accent); }
.contact__social {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.contact__social a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-light);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all var(--transition);
}
.contact__social a:hover {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.1);
}
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form__legend {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin: 0 0 0.25rem;
}
.form__required {
  color: #ef4444;
  font-weight: 600;
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group input.error,
.form-group select.error,
.form-group textarea.error { border-color: #ef4444; }
.form-group--honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}
.form__error {
  text-align: center;
  color: #f87171;
  font-weight: 500;
  font-size: 0.875rem;
}
.form__success {
  text-align: center;
  color: #22c55e;
  font-weight: 500;
}
.form-send-method {
  border: none;
  padding: 0;
  margin: 0;
  min-width: 0;
}
.form-send-method legend {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  padding: 0;
}
.form-send-method__options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.form-send-method__option {
  position: relative;
  cursor: pointer;
}
.form-send-method__option input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.form-send-method__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 5.5rem;
  padding: 1rem 0.75rem;
  text-align: center;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.form-send-method__card i {
  font-size: 1.35rem;
  color: var(--accent-light);
  transition: color var(--transition);
}
.form-send-method__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.3;
}
.form-send-method__option:hover .form-send-method__card {
  border-color: var(--border-hover);
}
.form-send-method__option input:checked + .form-send-method__card {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-send-method__option input:checked + .form-send-method__card i {
  color: var(--accent-light);
}
.form-send-method__option input:focus-visible + .form-send-method__card {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}
.form-send-method__option input[value="whatsapp"]:checked + .form-send-method__card {
  border-color: #25d366;
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.25);
}
.form-send-method__option input[value="whatsapp"]:checked + .form-send-method__card i {
  color: #25d366;
}
#contactSubmitBtn.btn--whatsapp {
  background: #25d366;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}
#contactSubmitBtn.btn--whatsapp:hover {
  background: #20bd5a;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
}

/* Acciones flotantes */
.floating-actions {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 998;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 0.75rem;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease, visibility 0.4s;
}
.floating-actions--hidden {
  transform: translateY(calc(100% + 1.5rem));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* WhatsApp flotante */
.whatsapp-fab {
  position: relative;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  font-size: 1.75rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-fab:hover {
  color: #fff;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.55);
}
.whatsapp-fab:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* Footer */
.footer {
  padding: 2.25rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  column-gap: 2rem;
  row-gap: 1.25rem;
  min-height: 2.75rem;
}
.footer__logo {
  justify-self: start;
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
  white-space: nowrap;
  transition: opacity var(--transition);
}
.footer__logo:hover { opacity: 0.9; }
.footer__logo-name { color: var(--text-primary); }
.footer__logo-accent {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}
.footer__copy {
  justify-self: center;
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--text-muted);
  white-space: nowrap;
}
.footer__links {
  justify-self: end;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.footer__links a {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--accent-light); }

/* Privacy */
.privacy {
  padding: 3rem 0 4rem;
  border-top: 1px solid var(--border);
}
.privacy__inner {
  max-width: 42rem;
  margin-inline: auto;
  text-align: center;
}
.privacy__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.privacy p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 0.875rem;
}
.privacy p:last-child { margin-bottom: 0; }
.privacy a {
  color: var(--accent-light);
  font-weight: 600;
}
.privacy a:hover { text-decoration: underline; }

/* Back to top */
.back-to-top {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  border-radius: 12px;
  color: #fff;
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  transform: scale(0.8);
  transition: opacity var(--transition), visibility var(--transition), max-height var(--transition), transform var(--transition), margin var(--transition);
  box-shadow: var(--shadow-glow);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  max-height: 48px;
  transform: scale(1);
  margin: 0;
}
.back-to-top svg { width: 24px; height: 24px; }
.back-to-top.visible:hover { transform: scale(1.08); }

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .hero__body {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 0;
  }
  .hero__visual {
    display: none;
  }
  .hero__content {
    grid-column: 1;
    grid-row: 1;
    align-items: center;
    text-align: center;
    padding-inline: max(1rem, env(safe-area-inset-left, 1rem));
    gap: 1.25rem;
  }
  .hero__subtitle p {
    text-align: center;
  }
  .hero__actions {
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    align-self: center;
    width: auto;
    gap: 0.625rem;
  }
  .hero__actions .btn--primary {
    padding: 0.75rem 1.125rem;
    font-size: 0.875rem;
  }
  .hero {
    min-height: auto;
    padding-bottom: 3rem;
  }
  .dev-card--compact .dev-card__code {
    flex: none;
    display: block;
  }
  .hero__typewriter-live {
    white-space: normal;
  }
}
@media (max-width: 1024px) {
  .hero__head .hero__title {
    max-width: none;
  }
  .skills__grid,
  .stack__grid,
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .about__principles { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .nav {
    display: flex;
    justify-content: space-between;
  }
  .nav__logo {
    grid-column: auto;
    justify-self: auto;
    height: auto;
  }
  .magic-nav__wrapper {
    position: static;
    grid-column: auto;
    justify-self: auto;
    flex: 0;
    width: 0;
    height: 0;
    overflow: visible;
  }
  .nav__actions {
    grid-column: auto;
    justify-self: auto;
  }
  .nav__toggle {
    margin-left: auto;
    grid-column: auto;
    justify-self: auto;
  }
  .availability-badge--header {
    display: none;
  }
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 88vw);
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    padding: calc(var(--header-height) + 2rem) 1.5rem 2rem;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    transition: right var(--transition);
    z-index: 1000;
    gap: 0.25rem;
  }
  .nav__menu.open { right: 0; }
  .magic-nav__wrapper .nav__menu {
    display: flex;
  }
  .magic-nav__item {
    width: 100%;
  }
  .magic-nav__link {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.875rem;
    width: 100%;
    height: auto;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
  }
  .magic-nav__link:hover,
  .magic-nav__link.active {
    background: var(--bg-card);
  }
  .magic-nav__link.active .magic-nav__icon {
    filter: none;
  }
  .magic-nav__text {
    position: static;
    width: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    clip: auto;
    font-size: 0.9375rem;
    font-weight: 500;
    color: inherit;
  }
  .magic-nav__link.active .magic-nav__text {
    color: var(--accent-light);
  }
  .nav__toggle { display: flex; }
}
@media (max-width: 768px) {
  .about__grid,
  .contact__wrapper { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr; }
  .hero__scroll { display: none; }
  .timeline { padding-left: 1.5rem; }
  .timeline__marker { left: -1.5rem; }
}
@media (max-width: 900px) {
  main {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
  }
  .floating-actions {
    bottom: max(1.25rem, env(safe-area-inset-bottom));
    right: max(1rem, env(safe-area-inset-right));
  }
  .whatsapp-fab {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
  .back-to-top {
    width: 44px;
    height: 44px;
    border-radius: 50%;
  }
  .back-to-top.visible {
    max-height: 44px;
  }
  .footer {
    padding-bottom: calc(2.5rem + env(safe-area-inset-bottom, 0px));
  }
  .footer__inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    row-gap: 1rem;
  }
  .footer__logo,
  .footer__copy,
  .footer__links {
    justify-self: center;
  }
  .footer__copy {
    white-space: normal;
    max-width: 22rem;
  }
  .footer__links {
    justify-content: center;
  }
}
@media (max-width: 700px) {
  .stats__grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stack__grid,
  .skills__grid,
  .services__grid { grid-template-columns: 1fr; }
  .section { padding: 4rem 0; }
  .contact__wrapper { padding: 1.5rem; }
  .form-send-method__options { grid-template-columns: 1fr; }
  .footer { padding: 2rem 0; }
  .footer__links {
    width: 100%;
    max-width: 16rem;
    justify-content: center;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__cursor { display: none; }
  .floating-actions { transition: none; }
}