:root {
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --bg-dark: #090b10;
  --bg-dark-elevated: #121520;
  --ink: #1d1d1f;
  --ink-muted: #6e6e73;
  --border: rgba(0, 0, 0, 0.08);
  --border-dark: rgba(255, 255, 255, 0.12);
  --purple: #7c3aed;
  --purple-bright: #a855f7;
  --purple-dark: #6d28d9;
  --purple-soft: rgba(124, 58, 237, 0.09);
  --radius: 20px;
  --ease-apple: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar Frosted Glass */
.navbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s var(--ease-apple);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-logo {
  height: 32px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.25s var(--ease-apple);
}

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

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink);
  border-radius: 10px;
  padding: 7px 9px;
  cursor: pointer;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.94rem;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: transform 0.3s var(--ease-apple), box-shadow 0.3s var(--ease-apple), background 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple) 0%, #9333ea 100%);
  color: #fff;
  border: none;
  box-shadow: 0 6px 20px -6px rgba(124, 58, 237, 0.55);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 14px 28px -8px rgba(124, 58, 237, 0.65);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.45);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-outline-dark:hover {
  border-color: var(--purple);
  color: var(--purple);
  transform: translateY(-2px);
}

/* Hero Oscuro Estilo Showcase Centrado (Tipo Apple Keynote) */
.hero {
  position: relative;
  background: radial-gradient(1000px 560px at 50% 10%, rgba(124, 58, 237, 0.28), transparent 65%),
              radial-gradient(700px 420px at 20% 90%, rgba(168, 85, 247, 0.14), transparent 60%),
              var(--bg-dark);
  color: #fff;
  padding: 76px 0 84px;
  overflow: hidden;
  text-align: center;
}

.hero-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 860px;
  margin: 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(168, 85, 247, 0.14);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: #e9d5ff;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.07;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
  max-width: 820px;
}

.hero h1 span {
  background: linear-gradient(120deg, #c084fc 0%, #a855f7 50%, #e9d5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.1rem;
  color: #cbd5e1;
  line-height: 1.65;
  margin: 0 auto 30px;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 42px;
}

.hero-media {
  position: relative;
  width: 100%;
  max-width: 780px;
  margin: 0 auto 36px;
  border-radius: 24px;
  padding: 8px;
  background: linear-gradient(145deg, rgba(255,255,255,0.16), rgba(124,58,237,0.22));
  box-shadow: 0 36px 80px -20px rgba(0, 0, 0, 0.85), 0 0 70px -15px rgba(124, 58, 237, 0.38);
  animation: floatSlow 7s ease-in-out infinite;
}

.hero-media img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  display: block;
  border-radius: 18px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  width: 100%;
  max-width: 780px;
  padding: 20px 24px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dark);
  backdrop-filter: blur(12px);
}

.metric-val {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
}

.metric-lbl {
  font-size: 0.8rem;
  color: #94a3b8;
  margin-top: 2px;
}

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

/* Carrusel de Marcas */
.logos-section {
  background: var(--bg-soft);
  padding: 34px 0;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.logos-title {
  text-align: center;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  font-weight: 600;
  margin-bottom: 20px;
}

.carousel-wrapper {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.carousel-track {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: scrollLogos 34s linear infinite;
}

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

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

.logo-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 18px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.25s var(--ease-apple), box-shadow 0.25s var(--ease-apple);
}

.logo-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.12);
}

.logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 6px;
}

.logo-name {
  font-weight: 700;
  font-size: 0.9rem;
}

.logo-sub {
  font-size: 0.74rem;
  color: var(--ink-muted);
}

/* Secciones */
.section {
  padding: 92px 0;
  background: var(--bg);
}

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

.section-dark {
  background: radial-gradient(700px 400px at 50% 0%, rgba(124, 58, 237, 0.16), transparent 70%), var(--bg-dark);
  color: #fff;
}

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 54px;
}

.section-kicker {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--purple);
  margin-bottom: 10px;
}

.section-dark .section-kicker {
  color: #c084fc;
}

.section-head h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.55rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--ink-muted);
  font-size: 1.04rem;
}

.section-dark .section-head p {
  color: #94a3b8;
}

/* Grid de Tarjetas Bento */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.45s var(--ease-apple), box-shadow 0.45s var(--ease-apple), border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -18px rgba(15, 23, 42, 0.14);
  border-color: rgba(124, 58, 237, 0.28);
}

.project-thumb {
  width: 100%;
  height: 186px;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  transition: transform 0.55s var(--ease-apple);
}

.card:hover .project-thumb {
  transform: scale(1.03);
}

.card-tag {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--purple-dark);
  background: var(--purple-soft);
  padding: 5px 11px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.card p {
  font-size: 0.94rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* Pasos Glassmorphism sobre Fondo Oscuro */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 30px;
  backdrop-filter: blur(12px);
  transition: transform 0.4s var(--ease-apple), border-color 0.3s ease, background 0.3s ease;
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: rgba(168, 85, 247, 0.45);
  background: rgba(255, 255, 255, 0.07);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--purple) 0%, #9333ea 100%);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 18px;
}

.step-card h3 {
  font-size: 1.12rem;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.015em;
}

.step-card p {
  font-size: 0.94rem;
  color: #cbd5e1;
  line-height: 1.6;
}

/* Cifra de impacto en tarjetas de resultados */
.impact-stat {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--purple);
  margin-bottom: 6px;
}

/* FAQ */
.faq-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px 26px;
  transition: transform 0.35s var(--ease-apple), box-shadow 0.35s var(--ease-apple);
}

.faq-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px -15px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.faq-item p {
  font-size: 0.92rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* Contacto */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(1.75rem, 2.8vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.contact-info p {
  color: var(--ink-muted);
  margin-bottom: 24px;
}

.contact-meta {
  font-size: 0.95rem;
  color: var(--ink);
}

.contact-form {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.14);
  background: #fff;
  font-family: inherit;
  font-size: 0.94rem;
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.14);
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  font-size: 0.8rem;
  color: var(--ink-muted);
  text-align: center;
}

/* Footer */
footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding: 28px 0;
  text-align: center;
  font-size: 0.86rem;
  border-top: 1px solid var(--border-dark);
}

/* Animaciones Reveal al Scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s var(--ease-apple), transform 0.75s var(--ease-apple);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-media { animation: none; }
  .carousel-track { animation: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .grid-3,
  .steps-grid,
  .faq-list,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 56px 0 64px;
  }

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(18px);
    flex-direction: column;
    padding: 20px 24px 26px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.12);
  }

  .nav-links.open {
    display: flex;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}