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

:root {
  --ink:      #090C10;
  --ink-2:    #0F1923;
  --ink-3:    #162230;
  --cyan:     #00D4FF;
  --violet:   #7B61FF;
  --mist:     #E8EDF2;
  --mist-2:   #A3B3C2;
  --border:   rgba(255,255,255,0.08);
  --border-2: rgba(0,212,255,0.25);
}

html { scroll-behavior: smooth; }

/* CORRECCIÓN: Ahora solo limita la altura al logo del menú, no rompe otras imágenes */
.logo-img {
  height: 40px;
  width: 40px;
}

body {
  background: var(--ink);
  color: var(--mist);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, .display {
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.02em;
}

/* ─── NAV ─────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  background: rgba(9,12,16,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--mist);
  text-decoration: none;
  display: flex;
  align-items: center;  
  gap: 0.45rem;
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--mist);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-links {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: rgba(9,12,16,0.97);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem;
  gap: 0.25rem;
}
.nav-links.open { display: flex; }

.nav-links a {
  color: var(--mist-2);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  font-family: 'Space Grotesk', sans-serif;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.nav-links a:last-child { border-bottom: none; }
.nav-links a:hover { color: var(--cyan); }

@media (min-width: 768px) {
  .hamburger { display: none; }
  .nav-links {
    display: flex !important;
    flex-direction: row;
    position: static;
    background: none;
    border: none;
    padding: 0;
    gap: 2rem;
  }
  .nav-links a { border: none; padding: 0; }
  nav { padding: 1.1rem 3rem; }
}

/* ─── HERO ────────────────────────────────── */
#hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 6rem 1.5rem 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 80% 30%, rgba(0,212,255,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 70%, rgba(123,97,255,0.09) 0%, transparent 55%),
    linear-gradient(175deg, #0F1923 0%, #090C10 55%);
}

.circuit-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.8;
  -webkit-mask-image: linear-gradient(to top, transparent 0%, rgba(0,0,0,0.65) 38%, #000 68%);
          mask-image: linear-gradient(to top, transparent 0%, rgba(0,0,0,0.65) 38%, #000 68%);
}

.circuit-overlay svg {
  width: 100%;
  height: 100%;
  display: block;
}

.chip-halo {
  animation: haloPulse 8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  transform-origin: 400px 300px;
}

@keyframes haloPulse {
  0%, 100% { opacity: 0; transform: scale(0.85); }
  45%      { opacity: 1; transform: scale(1.15); }
  70%      { opacity: 0.6; transform: scale(1.05); }
}

.single-chip path,
.single-chip circle {
  fill: none;
  stroke: url(#techGrad);
  filter: url(#glow);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 2000;
  animation: drawEnergyFlow 8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.single-chip circle {
  fill: rgba(0, 212, 255, 0.15);
}

.single-chip .chip-core   { animation-delay: 0s; }
.single-chip .chip-package{ animation-delay: 0.35s; }
.single-chip .tracks-top,
.single-chip .tracks-bottom,
.single-chip .tracks-left,
.single-chip .tracks-right { animation-delay: 0.7s; }
.single-chip .nodes-top,
.single-chip .nodes-bottom,
.single-chip .nodes-left,
.single-chip .nodes-right  { animation-delay: 1.1s; }

@keyframes drawEnergyFlow {
  0% { stroke-dashoffset: 2000; opacity: 0; }
  5% { opacity: 1; }
  40% { stroke-dashoffset: 0; opacity: 1; }
  60% { stroke-dashoffset: 0; opacity: 1; }
  95% { opacity: 1; }
  100% { stroke-dashoffset: -2000; opacity: 0; }
}

.hero-graphics {
  transform: translateY(0px);
  transition: transform 0.3s ease;
}

@media (max-width: 767px) {
  .circuit-overlay {
    inset: auto 0 0 0;
    top: 0;
    height: 62%;
    opacity: 0.55;
    -webkit-mask-image: linear-gradient(to top, transparent 0%, rgba(0,0,0,0.5) 30%, #000 65%);
            mask-image: linear-gradient(to top, transparent 0%, rgba(0,0,0,0.5) 30%, #000 65%);
  }
  .hero-graphics {
    transform-origin: 400px 300px;
    transform: scale(1.35) translateY(-12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .single-chip path,
  .single-chip circle,
  .chip-halo {
    animation: none;
    opacity: 0.6;
    stroke-dashoffset: 0;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.hero-eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 28px; height: 1px;
  background: var(--cyan);
}

.hero-title {
  font-size: clamp(2.4rem, 8vw, 4.4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--mist);
  margin-bottom: 1.4rem;
}

.hero-title .accent {
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1rem;
  color: var(--mist-2);
  max-width: 420px;
  line-height: 1.75;
  margin-bottom: 2.2rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--cyan);
  color: #090C10;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  padding: 0.8rem 1.6rem;
  border-radius: 4px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
}
.hero-cta:hover { opacity: 0.88; transform: translateY(-1px); }
.hero-cta svg { flex-shrink: 0; }

.scroll-hint {
  position: absolute;
  bottom: 1.8rem;
  right: 1.5rem;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  opacity: 0.35;
}
.scroll-hint span {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: 'Space Grotesk', sans-serif;
  writing-mode: vertical-rl;
}
.scroll-hint .line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--mist), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ─── SECTIONS SHARED ─────────────────────── */
section { padding: 5rem 1.5rem; }
section + section { border-top: 1px solid var(--border); }

.section-eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 20px; height: 1px;
  background: var(--cyan);
}

.section-title {
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--mist);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-body {
  color: var(--mist-2);
  font-size: 0.97rem;
  max-width: 520px;
  line-height: 1.8;
}

@media (min-width: 768px) {
  section { padding: 6.5rem 3rem; }
}

/* ─── ABOUT ───────────────────────────────── */
#about .about-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  #about .about-grid { grid-template-columns: 1fr 1fr; }
}

.stat-card {
  background: var(--ink-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: border-color 0.25s;
}
.stat-card:hover { border-color: rgba(0,212,255,0.3); }

.stat-card .stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 0.3rem;
}

.stat-card .stat-label {
  font-size: 0.82rem;
  color: var(--mist-2);
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.02em;
}

.about-desc {
  margin-top: 2.5rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .about-desc { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

.about-desc p { color: var(--mist-2); font-size: 0.95rem; line-height: 1.85; }

/* ─── SERVICES ────────────────────────────── */
#services { background: var(--ink-2); }

.services-intro {
  max-width: 540px;
  margin-bottom: 3rem;
}

.services-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: var(--ink);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.25s;
}
.service-card:hover { border-color: var(--border-2); transform: translateY(-3px); }

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover::before { opacity: 1; }

.service-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 1.4rem;
  opacity: 0.7;
}

.service-icon {
  width: 44px; height: 44px;
  border-radius: 6px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.service-icon svg { width: 20px; height: 20px; }

.service-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--mist);
  margin-bottom: 0.65rem;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.88rem;
  color: var(--mist-2);
  line-height: 1.8;
}

/* ─── FAQ NUEVO (DISEÑO INTEGRADO AL ESTILO OSCURO) ─── */
#faq { background: var(--ink); }

.faq-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .faq-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

.faq-item {
  background: var(--ink-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.8rem 1.5rem;
  transition: border-color 0.25s;
}
.faq-item:hover {
  border-color: rgba(0,212,255,0.25);
}

.faq-question {
  font-size: 1.05rem;
  color: var(--mist);
  font-weight: 600;
  margin-bottom: 0.8rem;
  line-height: 1.4;
}

.faq-answer {
  color: var(--mist-2);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ─── CONTACT ─────────────────────────────── */
#contact { background: var(--ink-2); }

#contact .contact-wrap {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  #contact .contact-wrap { grid-template-columns: 1fr 1.2fr; align-items: start; gap: 4rem; }
}

.contact-info p {
  color: var(--mist-2);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 2rem;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--mist-2);
}
.contact-detail .icon-wrap {
  width: 32px; height: 32px;
  border-radius: 6px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-detail .icon-wrap svg { width: 15px; height: 15px; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-size: 0.78rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  color: var(--mist-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.field input,
.field textarea,
.field select {
  background: var(--ink);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 0.9rem;
  color: var(--mist);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  -webkit-appearance: none;
}

.field input::placeholder,
.field textarea::placeholder { color: rgba(163,179,194,0.4); }

.field input:focus,
.field textarea:focus,
.field select:focus { border-color: rgba(0,212,255,0.5); }

.field textarea { resize: vertical; min-height: 120px; }

.field select { cursor: pointer; }
.field select option { background: #0F1923; }

.btn-submit {
  align-self: flex-start;
  background: transparent;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background 0.2s, color 0.2s;
}
.btn-submit:hover {
  background: var(--cyan);
  color: #090C10;
}
.btn-submit:disabled { cursor: default; }

.form-status {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  margin: 0;
  min-height: 1.2em;
}
.form-status.is-success { color: var(--cyan); }
.form-status.is-error { color: #FF6B6B; }

footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
}

@media (min-width: 768px) {
  footer { flex-direction: row; justify-content: space-between; padding: 2rem 3rem; }
}

footer .logo-small {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--mist);
  letter-spacing: -0.02em;
}

footer p {
  font-size: 0.78rem;
  color: rgba(163,179,194,0.5);
}

.fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}