/* =============================================
   PORTFOLIO — Vanilla CSS
   Autor: Tu Nombre
   ============================================= */

/* ── RESET & BASE ─────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-padding-top: 80px;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: clip;
  cursor: none; /* custom cursor */
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { border: none; background: none; cursor: none; font-family: inherit; }

/* ── CUSTOM PROPERTIES ────────────────────── */
:root {
  /* Colors */
  --bg:          #070707;
  --bg-alt:      #0e0e0e;
  --bg-card:     #0c0c0c;
  --border:      #1d1d1d;
  --border-hover:#333;
  --text:        #ececec;
  --text-muted:  #555;
  --text-dim:    #888;
  --accent:      #c8ff00;
  --accent-dim:  rgba(200, 255, 0, 0.08);

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  32px;
  --space-xl:  64px;
  --space-2xl: 120px;

  /* Typography */
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Misc */
  --radius:    8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-h:     68px;
}

/* ── TYPOGRAPHY UTILITIES ─────────────────── */
.mono { font-family: var(--font-mono); }

/* ── CUSTOM CURSOR ────────────────────────── */
.cursor {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, background 0.3s ease;
  mix-blend-mode: difference;
}

.cursor--hover {
  width: 40px;
  height: 40px;
  background: var(--accent);
  opacity: 0.4;
}

/* ── SCROLLBAR ────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 2px; }

/* ── NOISE OVERLAY ────────────────────────── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9998;
}

/* ── LAYOUT ───────────────────────────────── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ── REVEAL ANIMATION ─────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── BUTTONS ──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: var(--transition);
  white-space: nowrap;
  cursor: none;
}

.btn--primary {
  background: var(--accent);
  color: #000;
  font-weight: 600;
}
.btn--primary:hover {
  background: #d6ff1a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 255, 0, 0.2);
}

.btn--ghost {
  border: 1px solid var(--border-hover);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--transition);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ── TAGS ─────────────────────────────────── */
.tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: border-color var(--transition), color var(--transition);
}
.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ═══════════════════════════════════════════
   NAV
═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  transition: background var(--transition), border-color var(--transition);
}

.nav.is-scrolled {
  background: rgba(7, 7, 7, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text);
  transition: color var(--transition);
}
.nav__logo:hover { color: var(--accent); }
.nav__logo-bracket { color: var(--accent); }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: 0.875rem;
  color: var(--text-dim);
  transition: color var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { width: 100%; }

.nav__link--cta {
  padding: 8px 18px;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  color: var(--text);
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* Language toggle */
.nav__lang {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 10px;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.nav__lang:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}
.nav__toggle span {
  display: block;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__toggle.is-open span:first-child { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav__toggle.is-open span:last-child  { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: clamp(2.5rem, 7vh, 5rem);
  padding: calc(var(--nav-h) + var(--space-xl)) var(--space-lg) var(--space-xl);
  overflow: clip;
}

/* Dot grid background */
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 30%, transparent 80%);
  pointer-events: none;
}

.hero__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}
.hero__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--accent); }
  50%       { opacity: 0.6; box-shadow: 0 0 3px var(--accent); }
}

.hero__hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  animation: fadeDown 1.5s ease 1.5s both;
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__body {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero__label {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
  animation: fadeUp 0.8s ease 0.2s both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__title {
  font-size: clamp(3.5rem, 10vw, 9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
}

.hero__word {
  display: block;
  overflow: clip;
  pointer-events: none;
}
.hero__word--accent { color: var(--accent); }

/* Word reveal: each word animates in */
.hero__word:nth-child(1) { animation: revealWord 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both; padding-top: 0.1em; }
.hero__word:nth-child(2) { animation: revealWord 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both; }
.hero__word:nth-child(3) { animation: revealWord 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.7s both; }

@keyframes revealWord {
  from { opacity: 0; transform: translateY(60px) skewY(4deg); }
  to   { opacity: 1; transform: translateY(0) skewY(0deg); }
}

.hero__description {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--text-dim);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  animation: fadeUp 0.8s ease 0.9s both;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeUp 0.8s ease 1.1s both;
}

/* Stats bar */
.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding-top: var(--space-lg);
  /*border-top: 1px solid var(--border);*/
  position: relative;
  z-index: 1;
  animation: fadeUp 0.8s ease 1.3s both;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero__stat-num {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}
.hero__stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ═══════════════════════════════════════════
   SECTIONS — SHARED
═══════════════════════════════════════════ */
.section {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--border);
}

.section--alt {
  background: var(--bg-alt);
}

.section__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.section__num {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-top: 6px;
  flex-shrink: 0;
}

.section__title em.accent-word,
#skills .section__title em.accent-word {
  font-style: normal;
  color: var(--accent) !important;
  text-shadow: 0 0 18px rgba(200,255,0,0.45);
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}

/* Decorative animation spans — must never intercept pointer/scroll events */
.char, .c-char { pointer-events: none; }

.section__sub {
  font-size: 0.875rem;
  color: var(--text-dim);
}

/* ═══════════════════════════════════════════
   PROJECTS — Editorial list
═══════════════════════════════════════════ */
#projects .section__header,
#skills .section__header {
  justify-content: center;
  text-align: center;
}
#projects .section__title,
#skills .section__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
}
#projects .section__sub {
  font-size: 1rem;
}

/* ══════════════════════════════════════════
   PROJECTS — Card grid
   Previews siempre visibles para que el usuario
   reconozca cada proyecto de un vistazo.
══════════════════════════════════════════ */
.pj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: clamp(1.25rem, 2.4vw, 2rem);
  margin-top: var(--space-xl);
}

/* Pantallas grandes: 4 columnas, con el contenedor más
   ancho para que las tarjetas sean más grandes y respiren. */
@media (min-width: 1340px) {
  #projects .container { max-width: 1480px; }
  .pj-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ── Card ─────────────────────────────────── */
.pj-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: none;
  /* Estado inicial para el reveal por scroll (clase .is-visible) */
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              border-color var(--transition),
              box-shadow var(--transition);
  will-change: opacity, transform;
}
.pj-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.pj-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.9);
  transform: translateY(-4px);
}

/* ── Media / preview ──────────────────────── */
.pj-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a0a0a;
  border-bottom: 1px solid var(--border);
}
.pj-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.pj-card:hover .pj-card__media img { transform: scale(1.05); }

/* Year badge sobre el preview */
.pj-card__year {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  color: var(--text);
  background: rgba(7, 7, 7, 0.72);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border);
  padding: 4px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

/* Badge "en construcción" — proyecto en progreso */
.pj-card__badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(7, 7, 7, 0.78);
  backdrop-filter: blur(4px);
  border: 1px solid var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.pj-card__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: wipPulse 1.6s ease-in-out infinite;
}
@keyframes wipPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.35; transform: scale(0.7); }
}
@media (prefers-reduced-motion: reduce) {
  .pj-card__badge::before { animation: none; }
}

/* ── Body ─────────────────────────────────── */
.pj-card__body {
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: clamp(1.25rem, 2vw, 1.7rem);
  flex: 1;
}
.pj-card__name {
  display: flex;
  align-items: center;
  gap: 0.4em;
  flex-wrap: nowrap;
  white-space: nowrap;
  min-width: 0;
  font-size: clamp(1rem, 1.15vw, 1.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  transition: color var(--transition);
}
.pj-card__name-text {
  overflow: hidden;
  text-overflow: ellipsis;
}
.pj-card:hover .pj-card__name { color: var(--accent); }
.pj-card__flag {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  line-height: 0;
}
.pj-card__desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  line-height: 1.55;
}
.pj-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 4px;
}

/* ── CTA ──────────────────────────────────── */
.pj-card__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0.95rem clamp(1.25rem, 2vw, 1.7rem);
  border-top: 1px solid var(--border);
  font-size: 0.76rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--text-dim);
  transition: color var(--transition), background var(--transition);
}
.pj-card:hover .pj-card__btn {
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── Toggle button ────────────────────────── */
.projects__toggle-bar {
  display: flex;
  justify-content: center;
  padding-top: var(--space-xl);
}
.projects__toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  cursor: none;
}
.projects__toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}
.projects__toggle-icon {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1rem;
}
.projects__toggle.is-open .projects__toggle-icon { transform: rotate(180deg); }

/* Responsive */
@media (max-width: 680px) {
  .pj-grid {
    grid-template-columns: 1fr;
  }
}

/* Respeta usuarios que prefieren menos movimiento */
@media (prefers-reduced-motion: reduce) {
  .pj-card {
    opacity: 1;
    transform: none;
    transition: border-color var(--transition), box-shadow var(--transition);
  }
  .pj-card:hover { transform: none; }
  .pj-card__media img,
  .pj-card__glyph { transition: none; }
}

/* ── CARD (legacy, kept for safety) ──────── */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: var(--space-2xl);
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* Featured card spans 2 cols */
.card--featured {
  display: grid;
  grid-template-columns: 58% 42%;
  padding: 0;
  gap: 0;
  overflow: visible;
  border-top: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: #080808;
  min-height: 90vh;
  position: relative;
}
.card--featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(200,255,0,0.9), 0 0 50px rgba(200,255,0,0.4);
  z-index: 10;
  transform: none !important;
  transform-origin: unset !important;
  transition: none !important;
}

.card__featured-image {
  position: relative;
  overflow: hidden;
  background: #080808;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card__featured-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  display: block;
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}
.card--featured:hover .card__featured-image img {
  transform: scale(1.03);
}

.card__featured-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: clamp(2.5rem, 5vw, 4.5rem);
  background: #f2f2f0;
  border-left: none;
}

.card__featured-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  width: 100%;
  max-width: 480px;
}

/* Tags invertidos */
.card--featured .tag {
  background: transparent;
  color: #444;
  border-color: rgba(0,0,0,0.2);
}
.card--featured .tag:hover {
  border-color: #000;
  color: #000;
}
.tag--url {
  letter-spacing: 0.04em;
  color: #222;
}

.card--featured .card__title {
  font-size: clamp(2.8rem, 4.5vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.92;
  color: #0d0d0d;
}

.card--featured .card__desc {
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  line-height: 2.1;
  color: #555;
  max-width: 44ch;
}

.btn--glow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius);
  letter-spacing: 0.01em;
  box-shadow: 0 0 24px rgba(200, 255, 0, 0.45), 0 0 60px rgba(200, 255, 0, 0.2);
  transition: box-shadow var(--transition), transform var(--transition), gap var(--transition);
  width: fit-content;
}
.btn--glow:hover {
  box-shadow: 0 0 36px rgba(200, 255, 0, 0.7), 0 0 80px rgba(200, 255, 0, 0.35);
  transform: translateY(-2px);
  gap: 16px;
}

.card {
  background: var(--bg-card);
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}
.card.card--featured {
  display: grid;
  grid-template-columns: 50% 50%;
  padding: 0;
  gap: 0;
}

/* Accent line on hover */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.card:hover::before { transform: scaleX(1); }
.card:hover { background: #0f0f0f; }
.card--featured:hover { background: #080808; }

/* Variante invertida: texto izquierda, imagen derecha */
.card--featured-reverse {
  grid-template-columns: 50% 50%;
}
.card--featured-reverse .card__featured-content {
  border-left: none;
  border-right: 1px solid rgba(0,0,0,0.08);
  order: 1;
}
.card--featured-reverse .card__featured-image {
  order: 2;
}

.card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.card__num {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.card__badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 2px 8px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(200, 255, 0, 0.2);
  border-radius: 3px;
  letter-spacing: 0.06em;
}

.card__year {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.card__links {
  display: flex;
  gap: var(--space-sm);
}

.card__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.card__link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.card__title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.card__desc {
  font-size: 0.875rem;
  color: var(--text-dim);
  line-height: 1.7;
  flex: 1;
}

.card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

/* ── Projects collapsible wrap ────────────── */
.projects__grid-wrap {
  position: relative;
  overflow: clip;
  transition: max-height 0.75s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Fade gradient — indica que hay más contenido */
.projects__grid-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.projects__grid-wrap.is-open::after {
  opacity: 0;
}

.projects__toggle-bar {
  display: flex;
  justify-content: center;
  padding-top: var(--space-xl);
}

.projects__toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  cursor: none;
}
.projects__toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}
.projects__toggle-icon {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1rem;
}
.projects__toggle.is-open .projects__toggle-icon {
  transform: rotate(180deg);
}

/* ═══════════════════════════════════════════
   SKILLS — 3D Globe
═══════════════════════════════════════════ */
.skills__globe {
  display: block;
  width: min(720px, 100%);
  aspect-ratio: 1 / 1;
  margin: var(--space-lg) auto 0;
  cursor: none;
}

/* ═══════════════════════════════════════════
   EXIT MODAL
═══════════════════════════════════════════ */
.exit-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.exit-modal[hidden] { display: none; }

.exit-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: fadeIn .3s ease;
}
.exit-modal__card {
  position: relative;
  background: var(--bg-alt);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  padding: clamp(2rem, 5vw, 3rem);
  max-width: 440px;
  width: 100%;
  text-align: center;
  animation: slideUp .35s cubic-bezier(.22,1,.36,1);
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}

.exit-modal__close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
  transition: color .2s;
}
.exit-modal__close:hover { color: var(--text); }

.exit-modal__eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.exit-modal__title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.exit-modal__body {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.8rem;
}
.exit-modal__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #25D366;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  transition: filter .2s;
  margin-bottom: 1rem;
}
.exit-modal__cta:hover { filter: brightness(1.1); }
.exit-modal__dismiss {
  display: block;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0.25rem;
  transition: color .2s;
}
.exit-modal__dismiss:hover { color: var(--text); }

/* ═══════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════ */
.about__grid {
  display: grid;
  grid-template-columns: 280px 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

/* ── Photo column ─────────────────────────── */
.about__photo {
  position: relative;
}

/* Corner accent frame — top-right decorative bracket */
.about__photo-deco {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 52%;
  height: 52%;
  border-top: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  border-radius: 0 var(--radius) 0 0;
  box-shadow: 2px -2px 8px rgba(200, 255, 0, 0.3);
  pointer-events: none;
  z-index: 0;
}

.about__photo-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  z-index: 1;
}
.about__photo-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
}
.about__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: grayscale(15%);
  transition: filter 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.about__photo-wrap:hover .about__img {
  filter: grayscale(0%);
}

/* Social links below photo — 2×2 button grid */
.about__socials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: var(--space-md);
}
.about__social {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  transition: color var(--transition), border-color var(--transition),
              background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.about__social:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: #111;
  transform: translateY(-2px);
}

/* WhatsApp — full width, green accent */
.about__social:nth-child(3) {
  grid-column: 1 / -1;
  color: #25D366;
  border-color: rgba(37, 211, 102, 0.35);
  background: rgba(37, 211, 102, 0.06);
  font-size: 0.85rem;
  justify-content: center;
}
.about__social:nth-child(3):hover {
  background: rgba(37, 211, 102, 0.14);
  border-color: #25D366;
  color: #25D366;
  transform: translateY(-2px);
}

/* Download CV — full width, accent */
.about__social:nth-child(4) {
  grid-column: 1 / -1;
  color: var(--accent);
  border-color: rgba(200, 255, 0, 0.35);
  background: rgba(200, 255, 0, 0.05);
  font-size: 0.85rem;
  justify-content: center;
}
.about__social:nth-child(4):hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.about__social-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--transition);
}
.about__social:nth-child(3) .about__social-icon,
.about__social:nth-child(4) .about__social-icon {
  width: 18px;
  height: 18px;
  opacity: 0.9;
}
.about__social:hover .about__social-icon { opacity: 1; }
.about__social-arrow {
  margin-left: auto;
  transition: transform var(--transition);
  font-size: 0.75rem;
}
.about__social:nth-child(3) .about__social-arrow,
.about__social:nth-child(4) .about__social-arrow { display: none; }
.about__social:hover .about__social-arrow { transform: translate(2px, -2px); }

/* ── Bio copy ─────────────────────────────── */
.about__p {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}
.about__p strong {
  color: var(--text);
  font-weight: 600;
}

/* ── Pillars ──────────────────────────────── */
.about__pillars {
  display: flex;
  flex-direction: column;
}

.pillar {
  position: relative;
  border-left: 1px solid var(--border);
  transition: border-color var(--transition);
  perspective: 900px;
}
.pillar:hover { border-left-color: var(--accent); }

/* Animated accent overlay on the left border */
.pillar__line {
  position: absolute;
  left: -1px;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--accent);
  border-radius: 1px;
  box-shadow: 0 0 6px rgba(200, 255, 0, 0.4);
  z-index: 2;
}

/* ── Flip inner ───────────────────────────── */
.pillar__inner {
  display: grid;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.pillar:hover .pillar__inner { transform: rotateY(180deg); }

.pillar__front,
.pillar__back {
  grid-area: 1 / 1;
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0 var(--space-md) var(--space-lg);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.pillar__back {
  transform: rotateY(180deg);
  background: var(--accent-dim);
  border-radius: 0 var(--radius) var(--radius) 0;
  align-items: center;
  gap: var(--space-lg);
}

.pillar__num {
  color: var(--accent);
  font-size: 0.78rem;
  opacity: 0.55;
  flex-shrink: 0;
  padding-top: 2px;
  min-width: 1.8rem;
  transition: opacity var(--transition);
}
.pillar:hover .pillar__num { opacity: 1; }

.pillar__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.pillar__desc {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ── Pillar back face content ─────────────── */
.pillar__back-symbol {
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
  min-width: 2.2rem;
  line-height: 1;
}
.pillar__back-text {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.55;
  font-style: italic;
}

/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
.section--contact {
  text-align: center;
  background: var(--bg-alt);
}

.contact__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.contact__inner .section__num {
  margin-bottom: -var(--space-sm);
}

.contact__title {
  font-size: clamp(1.6rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  text-align: center;
}
.contact__title em {
  font-style: normal;
  color: var(--accent);
}

.contact__sub {
  font-size: 1rem;
  color: var(--text-dim);
  margin-top: -var(--space-sm);
  text-align: center;
}

.contact__socials {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.contact__sep { color: var(--border-hover); }
.contact__social {
  transition: color var(--transition);
}
.contact__social:hover { color: var(--accent); }

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--text-muted);
}
.footer__made { color: var(--text-muted); }

/* ── ACCENT TEXT UTILITY ──────────────────── */
.text--accent { color: var(--accent); }

/* ── HERO ORBITAL CANVAS ──────────────────── */
.hero__orbit {
  position: absolute;
  right: 0;
  top: 0;
  width: 50%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  /* Fade the left edge so the canvas never bleeds over the headline */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, transparent 28%, black 58%);
          mask-image: linear-gradient(to right, transparent 0%, transparent 28%, black 58%);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (min-width: 1400px) {
  .hero__actions .btn {
    padding: 16px 32px;
    font-size: 1.05rem;
  }
}

@media (min-width: 1800px) {
  .hero__actions .btn {
    padding: 18px 38px;
    font-size: 1.15rem;
  }
}

@media (max-width: 1100px) {
  .hero__orbit { display: none; }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .about__photo-wrap {
    max-width: 220px;
    margin: 0 auto;
  }

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

  .card--featured {
    grid-template-columns: 1fr;
    min-height: unset;
  }
  .card__featured-image { min-height: 55vw; }
  .card__featured-num { font-size: 4rem; }
  .card--featured-reverse .card__featured-content { order: 1; }
  .card--featured-reverse .card__featured-image { order: 2; }
  .card__featured-content {
    border-top: 1px solid rgba(0,0,0,0.08);
    padding: var(--space-xl);
  }

  .skills__group {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

@media (max-width: 680px) {
  :root {
    --space-xl:  40px;
    --space-2xl: 72px;
  }

  /* Reduce padding so content breathes on small screens */
  .container {
    padding: 0 var(--space-md);
  }

  /* Hero uses its own padding (not .container) */
  .hero {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  /* Nav mobile */
  .nav {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
  /* CRITICAL: backdrop-filter on the nav (applied via .is-scrolled) makes it
     a containing block for position:fixed children in Chromium, collapsing the
     mobile menu overlay. We disable it on mobile and use a solid background instead. */
  .nav.is-scrolled {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(7, 7, 7, 0.97);
  }
  .nav__logo {
    font-size: 0.8rem;
    position: relative;
    z-index: 160; /* above the overlay so logo remains visible when menu is open */
  }
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 150; /* above nav (100) so page content is fully covered */
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__link { font-size: 1.4rem; }
  .nav__link--cta { padding: 12px 28px; }
  .nav__lang { font-size: 1rem; padding: 8px 20px; }
  .nav__toggle { display: flex; z-index: 160; position: relative; } /* above the overlay */

  .hero__stats {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }
  .hero__stat-divider { display: none; }

  .card { padding: var(--space-lg); }

  .footer__inner { flex-direction: column; gap: var(--space-sm); }
}

@media (max-width: 420px) {
  .hero__actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }

  .nav__logo {
    font-size: 0.72rem;
    letter-spacing: 0.03em;
  }

  .pj-card__name {
    font-size: clamp(1rem, 5vw, 1.3rem);
  }
}

/* ── TOUCH / MOBILE DEVICES ───────────────── */
@media (pointer: coarse) {
  body { cursor: auto; }
  .cursor { display: none !important; }
  button, a, .pj-card, .tag, .projects__toggle, .nav__lang, .nav__toggle {
    cursor: pointer;
  }
  .btn { cursor: pointer; }

  /* Disable hover-only effects that don't work on touch */
  .pj-card:hover { transform: none; }
  .pillar:hover .pillar__inner { transform: none; }
}