@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@400;500;600&family=Space+Mono:wght@400;700&display=swap');

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

:root {
  /* Paleta Neutra Ultra-Premium (Modo Oscuro Monocromático) */
  --bg:          #09090b;        /* Fondo principal muy profundo */
  --bg-card:     #121214;        /* Fondo de tarjetas */
  --bg-card2:    #18181b;        /* Hover sobre tarjetas */
  --accent:      #ffffff;        /* Acento principal (Blanco puro) */
  --accent-dim:  #27272a;        /* Acento atenuado */
  --text:        #f4f4f5;        /* Texto principal claro */
  --text-2:      #a1a1aa;        /* Texto secundario */
  --text-3:      #71717a;        /* Texto terciario */
  --border:      rgba(255, 255, 255, 0.08); /* Bordes ultra finos */
  --border-h:    rgba(255, 255, 255, 0.2);  /* Borde al hover */
  
  --ff-display:  'Space Grotesk', sans-serif;
  --ff-body:     'Inter', sans-serif;
  --ff-mono:     'Space Mono', monospace;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── TEXTURA DE RUIDO ANALÓGICO ── */
body::before {
  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)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 10;
  opacity: 0.5;
}

/* ── FONDO GRID DINÁMICO ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s ease;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 44px;
  width: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.nav-logo:hover .nav-logo-img {
  transform: scale(1.05);
  border-color: var(--border-h);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  color: var(--text-2);
  text-decoration: none;
  letter-spacing: 0.05em;
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

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

/* ── HERO ── */
.hero {
  position: relative;
  z-index: 1;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
}

/* Sutil resplandor de fondo (Hero Glow) */
.hero-glow {
  position: absolute;
  top: 25%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
  filter: blur(80px);
}

.hero-eyebrow {
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  color: var(--text-3);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.2s;
}

.hero-title {
  font-family: var(--ff-display);
  font-size: clamp(3.2rem, 9vw, 7.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
  color: var(--text);
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.4s;
}

.hero-title .line-accent {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.7);
  display: block;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-2);
  max-width: 580px;
  margin: 0 auto 3.5rem;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.6s;
}

.hero-stats {
  display: flex;
  gap: 4rem;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.8s;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 3rem;
  background: rgba(255, 255, 255, 0.01);
  backdrop-filter: blur(8px);
  border-radius: 12px;
}

.stat {
  text-align: center;
  min-width: 100px;
}

.stat-number {
  font-family: var(--ff-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.stat-number span {
  color: var(--accent);
}

.stat-label {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 0.5rem;
}

.hero-scroll {
  position: absolute;
  bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 1s;
  cursor: pointer;
}

.scroll-text {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color 0.3s;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-3), transparent);
  transition: background 0.3s;
}

.hero-scroll:hover .scroll-text {
  color: var(--accent);
}

.hero-scroll:hover .scroll-line {
  background: linear-gradient(to bottom, var(--accent), transparent);
}

/* ── SECTIONS ── */
.section {
  position: relative;
  z-index: 1;
  padding: 8rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 4rem;
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}

.section-label {
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  color: var(--text-3);
  letter-spacing: 0.15em;
}

.section-title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}

/* ── SKILLS CAROUSEL ── */
.skills-carousel {
  overflow: hidden;
  width: 100%;
  padding: 1.5rem 0;
  position: relative;
  margin-bottom: 3.5rem;
  mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
}

.skills-carousel-track {
  display: flex;
  width: max-content;
  animation: scroll-marquee 30s linear infinite;
}


.skills-carousel-group {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-right: 2rem;
}

.skill-carousel-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.6rem 1.5rem;
  white-space: nowrap;
  transition: all 0.3s ease;
  cursor: default;
}

.skill-carousel-item::before {
  content: '>';
  color: var(--text-3);
  font-weight: bold;
  transition: color 0.3s;
}

.skill-carousel-item:hover {
  color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-h);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.05);
}

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

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

/* ── MEMBERS GRID ── */
.members-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

/* ── MEMBER CARD ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.25rem;
  cursor: default;
  transition: border-color 0.3s, transform 0.3s, background 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--member-color, var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover {
  border-color: var(--border-h);
  transform: translateY(-6px);
  background: var(--bg-card2);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
  opacity: 0.8;
}

.card-top {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--bg);
  flex-shrink: 0;
  background: var(--member-color, var(--accent));
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease;
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card:hover .avatar {
  transform: scale(1.05);
}

.card-name {
  font-family: var(--ff-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cursor-blink {
  display: inline-block;
  width: 2px;
  height: 0.85em;
  background: var(--member-color, var(--accent));
  animation: blink 1s step-end infinite;
  vertical-align: middle;
  opacity: 0;
  transition: opacity 0.2s;
}

.card:hover .cursor-blink {
  opacity: 1;
}

.card-role {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.05em;
  margin-top: 0.15rem;
}

.card-bio {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  min-height: 4.8em; /* Mantiene la consistencia de altura de las tarjetas */
}

/* ── SKILLS TERMINAL (NEUTRAL) ── */
.skills-block {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1.15rem;
  margin-bottom: 1.75rem;
  font-family: var(--ff-mono);
  font-size: 0.75rem;
}

.skills-prompt {
  color: var(--text-3);
  margin-bottom: 0.5rem;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.7rem;
  transition: all 0.2s ease;
}

.card:hover .skill-tag {
  color: var(--text);
  border-color: var(--border-h);
  background: rgba(255, 255, 255, 0.07);
}

/* ── CONTACT ROW (NEUTRAL) ── */
.contact-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.contact-link {
  flex: 1;
  text-align: center;
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  color: var(--text-2);
  text-decoration: none;
  padding: 0.5rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  background: rgba(255, 255, 255, 0.01);
}

.contact-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.05);
}

/* ── PROJECTS GRID ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

/* Tarjeta de Proyecto Premium */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 280px;
  transition: border-color 0.3s, transform 0.3s, background 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  border-color: var(--border-h);
  transform: translateY(-6px);
  background: var(--bg-card2);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.project-header {
  margin-bottom: 1.25rem;
}

.project-year {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  display: block;
  margin-bottom: 0.4rem;
}

.project-title {
  font-family: var(--ff-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--text-3);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
}

.project-card:hover .tech-tag {
  color: var(--text-2);
  border-color: rgba(255, 255, 255, 0.15);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  color: var(--text-2);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.2s;
}

.project-link::after {
  content: '→';
  transition: transform 0.2s;
}

.project-link:hover {
  color: var(--accent);
}

.project-link:hover::after {
  transform: translateX(3px);
}

/* ── FOOTER ── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 4rem 2rem;
  text-align: center;
  background: rgba(9, 9, 11, 0.9);
}

.footer-logo {
  font-family: var(--ff-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  color: var(--text);
}

.footer-logo span {
  color: var(--text-3);
  font-weight: 400;
}

.footer-tagline {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

/* Clase utilidad de animación de carga */
.fade-in {
  animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav {
    padding: 1.25rem 1.5rem;
  }
  
  .nav-links {
    gap: 1.25rem;
  }

  .nav-links a {
    font-size: 0.75rem;
  }

  .hero {
    min-height: 80vh;
    padding: 7rem 1.5rem 3rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 2.5rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    width: 100%;
    max-width: 320px;
  }

  .stat {
    min-width: 0;
  }

  .stat-number {
    font-size: 2.25rem;
  }

  .members-grid, .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .section {
    padding: 5rem 1.25rem;
  }
}

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