:root {
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;

  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --text: #e8e8e2;
  --text-muted: #888888;
  --border: rgba(255, 255, 255, 0.07);
  --accent: #d4f26e;
  --accent-fg: #0f0f0f;

  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s;
  --transition-slow: 0.5s;
  --accent-glow: rgba(212, 242, 110, 0.15);
  --accent-glow-btn: rgba(212, 242, 110, 0.25);
  --shadow-hover: rgba(0, 0, 0, 0.2);
}

:root[data-theme="light"] {
  --bg: #f5f5f0;
  --surface: #e8e8e2;
  --text: #1a1a1a;
  --text-muted: #666666;
  --border: rgba(0, 0, 0, 0.08);
  --accent: #5a7a1a;
  --accent-fg: #ffffff;
  --accent-glow: rgba(90, 122, 26, 0.15);
  --accent-glow-btn: rgba(90, 122, 26, 0.25);
  --shadow-hover: rgba(0, 0, 0, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  scroll-padding-top: 80px; /* altura del navbar fijo + aire para que el título no quede tapado */
}

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background-color var(--transition-slow), color var(--transition-slow);
  cursor: none;
}

/* Saltar al contenido — visible solo al recibir foco con teclado */
.skip-link {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translate(-50%, -120%);
  z-index: 200;
  padding: 0.6rem 1.25rem;
  background-color: var(--accent);
  color: var(--accent-fg);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translate(-50%, 0);
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

@media (hover: none) {
  body { cursor: auto; }
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
  transition: background-color var(--transition-slow);
}

:root[data-theme="light"] body::before {
  background-image: radial-gradient(rgba(0,0,0,0.04) 1px, transparent 1px);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--accent);
  width: 0%;
  z-index: 9999;
  transition: width 0.1s linear;
  pointer-events: none;
}

#cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  display: none;
}

#cursor-ring {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  transition: width 0.2s ease, height 0.2s ease, transform 0.15s ease;
  display: none;
}

@media (hover: none) {
  #cursor-dot, #cursor-ring { display: none !important; }
}

@media (hover: hover) {
  #cursor-dot, #cursor-ring { display: block; }
}

.cursor--hover {
  width: 56px !important;
  height: 56px !important;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background-color: rgba(15, 15, 15, 0.5);
  transition: background-color var(--transition-slow), backdrop-filter var(--transition-slow);
}

:root[data-theme="light"] .navbar {
  background-color: rgba(245, 245, 240, 0.5);
}

.navbar.scrolled {
  background-color: rgba(26, 26, 26, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

:root[data-theme="light"] .navbar.scrolled {
  background-color: rgba(232, 232, 226, 0.85);
}

.navbar-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.navbar-links {
  display: flex;
  gap: 2rem;
}

.navbar-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition);
}

.navbar-links a:hover { color: var(--text); }
.navbar-links a:hover::after { width: 100%; }

.navbar-links a.active { color: var(--text); }
.navbar-links a.active::after { width: 100%; }

.navbar-toggles {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ── Theme switch ── */
.theme-switch {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  padding: 0;
  cursor: none;
}

.switch-icon {
  flex-shrink: 0;
  transition: color 0.25s;
}

.switch-icon--moon { color: var(--text-muted); }
:root[data-theme="dark"] .switch-icon--moon { color: var(--accent); }

.switch-icon--sun { color: var(--text-muted); }
:root[data-theme="light"] .switch-icon--sun { color: var(--accent); }

.switch-track {
  position: relative;
  display: block;
  width: 36px;
  height: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  flex-shrink: 0;
  transition: border-color 0.25s;
}

.theme-switch:hover .switch-track { border-color: var(--accent); }

.switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform 0.25s ease;
}

:root[data-theme="light"] .switch-thumb { transform: translateX(16px); }

/* ── Lang switch ── */
.lang-switch {
  background: none;
  border: none;
  padding: 0;
  cursor: none;
}

.lang-switch-track {
  position: relative;
  display: flex;
  align-items: center;
  width: 62px;
  height: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 13px;
  overflow: hidden;
  transition: border-color 0.25s;
}

.lang-switch:hover .lang-switch-track { border-color: var(--accent); }

.lang-switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: calc(50% - 4px);
  height: calc(100% - 4px);
  background: var(--accent);
  border-radius: 10px;
  transition: transform 0.25s ease;
  z-index: 0;
}

html[lang="en"] .lang-switch-thumb { transform: translateX(calc(100% + 4px)); }

.lang-opt {
  position: relative;
  z-index: 1;
  flex: 1;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: color 0.25s;
  pointer-events: none;
  letter-spacing: 0.03em;
}

html[lang="es"] .lang-opt--es { color: var(--accent-fg); }
html[lang="en"] .lang-opt--en { color: var(--accent-fg); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: none;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--text);
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 1.5rem 3rem;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-photo-wrapper {
  position: relative;
  width: 280px;
  height: 280px;
}

.hero-photo-border {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(var(--accent), transparent 30%, transparent 70%, var(--accent));
  animation: rotateBorder 4s linear infinite;
}

.hero-photo-border::before {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--bg);
}

.hero-photo-inner {
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

@keyframes rotateBorder {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-text { display: flex; flex-direction: column; gap: 0.1rem; }

.hero-greeting, .hero-name, .hero-role, .hero-description, .hero-ctas, .hero-stack {
  opacity: 0;
}

.hero-greeting {
  animation: heroItemReveal 0.6s ease forwards;
  animation-delay: 0.1s;
}

.hero-name {
  animation: heroItemReveal 0.6s ease forwards;
  animation-delay: 0.3s;
}

.hero-role {
  animation: heroItemReveal 0.6s ease forwards;
  animation-delay: 0.5s;
}

.hero-description {
  animation: heroItemReveal 0.6s ease forwards;
  animation-delay: 0.7s;
}

.hero-ctas {
  animation: heroItemReveal 0.6s ease forwards;
  animation-delay: 0.9s;
}

.hero-stack {
  animation: heroItemReveal 0.6s ease forwards;
  animation-delay: 1.1s;
}

@keyframes heroItemReveal {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.hero-role {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition), box-shadow var(--transition);
}

.cta-primary {
  background-color: var(--accent);
  color: var(--accent-fg);
}

.cta-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow-btn);
}

.cta-secondary {
  border: 1px solid var(--border);
  color: var(--text);
}

.cta-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  animation: bounceArrow 1.5s ease-in-out infinite;
  z-index: 1;
  display: block;
}

@keyframes bounceArrow {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.section {
  position: relative;
  z-index: 1;
  padding: 4.5rem 1.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}

.section-title::before {
  content: attr(data-section-number);
  position: absolute;
  left: -3.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.07;
  line-height: 1;
  pointer-events: none;
}

.section-text {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 800px;
  align-items: stretch;
}

.stat-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
	font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  position: relative;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform 0.3s ease, border-color var(--transition), box-shadow var(--transition);
  transform-style: preserve-3d;
  perspective: 800px;
}

.project-card:hover {
  border-color: var(--accent);
  box-shadow: 0 20px 40px var(--shadow-hover);
}

.project-number {
  position: absolute;
  top: -0.5rem;
  right: 1rem;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.06;
  line-height: 1;
  pointer-events: none;
  transition: opacity var(--transition);
}

.project-card:hover .project-number {
  opacity: 0.12;
}

.project-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}

.project-description {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition);
}

.badge:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.project-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.cert-card { display: flex; flex-direction: column; }
.cert-card .project-name { font-size: 1.1rem; }

.cert-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.cert-date {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--accent-fg);
  cursor: none;
}

.btn-primary:hover {
  opacity: 0.9;
  box-shadow: 0 4px 16px var(--accent-glow-btn);
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: none;
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.skills-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.skill-category-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  cursor: default;
}

.skill-separator {
  color: var(--text-muted);
  opacity: 0.4;
}

.marquee-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.marquee-wrapper:hover .marquee-track {
  animation-play-state: paused;
}

.marquee {
  overflow: hidden;
  padding: 1rem 0;
}

.marquee-track {
  display: flex;
  gap: 0.75rem;
  width: max-content;
}

.marquee-left .marquee-track {
  animation: marqueeLeft 35s linear infinite;
}

.marquee-right .marquee-track {
  animation: marqueeRight 35s linear infinite;
}

@keyframes marqueeLeft {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes marqueeRight {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

.skill-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  white-space: nowrap;
  transition: border-color var(--transition), color var(--transition);
}

.skill-item:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.skill-item svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 600px;
}

.contact-card {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  transition: color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.contact-card:hover {
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}

.contact-card svg { width: 22px; height: 22px; flex-shrink: 0; }

.contact-card--full {
  grid-column: 1 / -1;
}

.footer {
  position: relative;
  z-index: 1;
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
  color: var(--text-muted);
}

:root[data-theme="light"] .footer {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Hero stack */
.hero-stack {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
  letter-spacing: 0.04em;
}

/* Stat detail line */
.stat-detail {
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.65;
  line-height: 1.5;
  margin-top: auto;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
}

/* Project highlight */
.project-highlight {
  font-size: 0.78rem;
  color: var(--accent);
  opacity: 0.85;
  margin-bottom: 1rem;
  padding: 0.4rem 0.75rem;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--accent);
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

/* Skills static grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.skills-category {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color var(--transition);
}

.skills-category:hover {
  border-color: var(--accent);
}

.skills-category-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.skills-category-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.skills-category-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Cert description */
.cert-description {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
  font-style: italic;
  opacity: 0.85;
}

/* Cert button — más prominente */
.btn-cert {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid var(--accent);
  color: var(--accent);
  cursor: none;
}

.btn-cert:hover {
  background-color: var(--accent);
  color: var(--accent-fg);
  box-shadow: 0 4px 16px var(--accent-glow-btn);
}

/* Contact hover enhancement */
.contact-card:hover {
  background-color: var(--accent-glow);
}

/* Contact grid — slightly wider */
.contact-grid {
  max-width: 640px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-photo-border { animation: none; }
  .scroll-indicator { animation: none; }
  .marquee-track { animation-play-state: paused !important; }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  body { cursor: auto; }

  .navbar-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }

  .navbar-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .hamburger { display: flex; }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
  }

  .hero-photo-wrapper {
    width: 200px;
    height: 200px;
    max-width: 100%;
    flex-shrink: 0;
  }

  .hero-photo-border { animation-duration: 4s; }

  .hero-description { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .section-title::before {
    font-size: 3.5rem;
    left: -2.5rem;
  }

  .contact-grid { grid-template-columns: 1fr; }
  .contact-card--full { grid-column: auto; }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .hero-stack { text-align: center; }
}

/* ── Reveal on scroll (reemplaza AOS) ──
   Solo se ocultan/animan los elementos si el usuario no pidió menos movimiento;
   con reduced-motion quedan visibles desde el inicio. */
@media (prefers-reduced-motion: no-preference) {
  [data-aos] {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.7s ease, transform 0.7s ease;
    will-change: opacity, transform;
  }

  [data-aos].is-visible {
    opacity: 1;
    transform: none;
  }
}