:root {
  --primary: #ffffff;
  --primary-dark: #171717;
  --secondary: #e5e5e5;
  --dark: #080808;
  --dark-2: #181818;
  --text: #171717;
  --muted: #616161;
  --soft: #f5f5f5;
  --white: #ffffff;
  --border: rgba(128, 128, 128, 0.25);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.14);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }

.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  padding: 18px 0;
  transition: 0.25s ease;
  background: #000000;
  backdrop-filter: blur(12px);
}
.navbar-shrink { padding: 10px 0; background: #000000; box-shadow: 0 10px 35px rgba(0, 0, 0, 0.18); }
.nav-container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--white); font-weight: 800; letter-spacing: -0.02em; }
.brand img { width: 142px; height: auto; }
.brand span { font-size: 0.85rem; color: rgba(255, 255, 255, 0.78); }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-menu a { color: rgba(255,255,255,0.84); font-weight: 700; padding: 10px 13px; border-radius: 999px; font-size: 0.92rem; }
.nav-menu a:hover { color: var(--white); background: rgba(255,255,255,0.10); }
.nav-cta { background: linear-gradient(135deg, var(--primary), var(--secondary)) !important; color: var(--dark) !important; }
.nav-toggle { display: none; border: 0; color: var(--white); background: rgba(255,255,255,0.12); width: 44px; height: 44px; border-radius: 12px; font-size: 1.2rem; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  padding: 150px 0 90px;
  color: var(--white);
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.32), transparent 34%), linear-gradient(135deg, #050505 0%, #080808 46%, #202020 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.08fr 0.92fr; align-items: center; gap: 60px; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 16px; color: var(--primary); font-weight: 800; text-transform: uppercase; font-size: 0.82rem; letter-spacing: 0.08em; }
.hero h1 { margin: 0; font-family: "Montserrat", sans-serif; font-size: clamp(2.45rem, 5vw, 5.1rem); line-height: 0.98; letter-spacing: -0.06em; }
.hero-text { margin: 24px 0 0; max-width: 680px; color: rgba(255,255,255,0.78); font-size: 1.15rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 34px 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border-radius: 999px; font-weight: 800; border: 1px solid transparent; transition: 0.2s ease; cursor: pointer; font-family: inherit; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #111111; background: linear-gradient(135deg, var(--primary), var(--secondary)); box-shadow: 0 14px 36px rgba(255, 255, 255, 0.25); }
.btn-secondary { color: var(--white); background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.2); }
.btn-outline { color: var(--white); border-color: rgba(255,255,255,0.25); background: rgba(255,255,255,0.06); }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 650px; }
.hero-stats div { padding: 16px; border: 1px solid rgba(255,255,255,0.12); border-radius: 18px; background: rgba(255,255,255,0.06); }
.hero-stats strong { display: block; font-size: 1.3rem; color: var(--white); }
.hero-stats span { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
.hero-card { position: relative; animation: float-card 6s ease-in-out infinite; }
.card-glow { position: absolute; inset: -16px; background: linear-gradient(135deg, rgba(255,255,255,0.35), rgba(180,180,180,0.15)); filter: blur(22px); border-radius: 36px; }
.tech-card { position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,0.15); border-radius: 32px; background: rgba(255,255,255,0.09); box-shadow: 0 30px 90px rgba(0,0,0,0.25); backdrop-filter: blur(18px); }
.tech-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 0%, rgba(255,255,255,0.16) 45%, transparent 62%);
  transform: translateX(-120%);
  animation: card-sheen 5.5s ease-in-out infinite;
  pointer-events: none;
}
.tech-card-header { display: flex; gap: 8px; padding: 22px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.tech-card-header span { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.45); }
.tech-card-body { padding: 44px; }
.tech-card-body > svg { font-size: 4rem; color: var(--primary); margin-bottom: 18px; }
.tech-card h2 { margin: 0; font-size: 3rem; font-family: "Montserrat", sans-serif; letter-spacing: -0.05em; }
.tech-card p { color: rgba(255,255,255,0.74); }
.tech-card ul { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.tech-card li { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.86); }
.tech-card li svg { color: var(--primary); }

.section { padding: 95px 0; }
.bg-soft { background: var(--soft); }
.section-dark { color: var(--white); background: linear-gradient(135deg, var(--dark), var(--dark-2)); }
.section-heading { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section-heading.left { margin-left: 0; text-align: left; }
.section-heading h2, .cta-box h2, .about-content h2 { margin: 0 0 16px; font-family: "Montserrat", sans-serif; font-size: clamp(2rem, 3.7vw, 3.2rem); line-height: 1.08; letter-spacing: -0.05em; }
.section-heading p, .about-content p, .cta-box p { margin: 0; color: var(--muted); font-size: 1.04rem; }
.section-dark .section-heading p, .section-dark .solution-item p { color: rgba(255,255,255,0.68); }

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { position: relative; overflow: hidden; padding: 30px; min-height: 260px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); box-shadow: 0 10px 34px rgba(0,0,0,0.06); transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease; }
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.04), transparent 42%);
  opacity: 0;
  transition: opacity 0.24s ease;
}
.service-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); border-color: rgba(0,0,0,0.35); }
.service-card:hover::before { opacity: 1; }
.service-card > * { position: relative; }
.service-card > svg { font-size: 2.4rem; color: var(--primary-dark); margin-bottom: 18px; }
.service-card h3, .portfolio-card h3, .solution-item h3, .founder-card h3 { margin: 0 0 10px; font-family: "Montserrat", sans-serif; letter-spacing: -0.03em; }
.service-card p, .portfolio-card p, .founder-card p { margin: 0; color: var(--muted); }

.solutions-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; }
.solution-list { display: grid; gap: 18px; }
.solution-item { display: flex; gap: 20px; padding: 24px; border: 1px solid rgba(255,255,255,0.12); border-radius: 22px; background: rgba(255,255,255,0.07); }
.solution-item span { flex: 0 0 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; color: var(--dark); background: linear-gradient(135deg, var(--primary), var(--secondary)); font-weight: 900; }
.solution-item p { margin: 0; }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.portfolio-card { overflow: hidden; border-radius: var(--radius); background: var(--white); box-shadow: 0 12px 36px rgba(0,0,0,0.08); transition: transform 0.24s ease, box-shadow 0.24s ease; }
.portfolio-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.portfolio-card img { width: 100%; height: 210px; object-fit: cover; transition: transform 0.5s ease; }
.portfolio-card:hover img { transform: scale(1.06); }
.portfolio-card div { padding: 24px; }

.about-grid { display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 42px; align-items: center; }
#nosotros { padding-bottom: 42px; }
.about-content p + p { margin-top: 16px; }
.badges { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.badges span { display: inline-flex; gap: 8px; align-items: center; padding: 10px 14px; border-radius: 999px; background: var(--soft); font-weight: 800; color: var(--dark-2); }
.badges svg { color: var(--primary-dark); }
.founder-card { position: relative; overflow: hidden; padding: 34px; border-radius: 32px; color: var(--white); background: linear-gradient(135deg, var(--dark), var(--dark-2)); box-shadow: var(--shadow); }
.founder-card::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -70px;
  top: -70px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}
.founder-card > * { position: relative; }
.founder-avatar {
  width: 96px;
  height: 96px;
  margin-bottom: 22px;
  border-radius: 24px;
  overflow: hidden;
  flex-shrink: 0;
}

.founder-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.founder-card p { color: rgba(255,255,255,0.72); }
.founder-card ul { padding-left: 20px; color: rgba(255,255,255,0.86); }

.cta-section { padding-top: 0; }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 42px; border-radius: 34px; color: var(--white); background: radial-gradient(circle at top right, rgba(255,255,255,0.35), transparent 30%), linear-gradient(135deg, var(--dark), #202020); box-shadow: var(--shadow); }
.cta-box p { color: rgba(255,255,255,0.7); }
.cta-btn {
  min-width: 250px;
  height: 68px;
  padding: 0 36px;
  border-radius: 999px;
  font-size: 1.15rem;
  font-weight: 800;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: 0 15px 35px rgba(255, 255, 255, 0.35);
}

.cta-btn i {
  font-size: 1.4rem;
}
.contact-section { background: #101010; color: var(--white); }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 46px; align-items: start; }
.contact-list { display: grid; gap: 14px; margin-top: 26px; }
.contact-list a, .contact-list span { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,0.82); }
.contact-list svg { color: var(--primary); }
.contact-card { padding: 30px; border: 1px solid rgba(255,255,255,0.12); border-radius: 28px; background: rgba(255,255,255,0.07); }
.contact-card label { display: grid; gap: 8px; margin-bottom: 18px; font-weight: 800; }
.contact-card input, .contact-card select, .contact-card textarea { width: 100%; border: 1px solid rgba(255,255,255,0.14); border-radius: 16px; padding: 14px 16px; color: var(--white); background: rgba(255,255,255,0.08); outline: none; font: inherit; }
.contact-card select option { color: var(--text); }
.contact-card input:focus, .contact-card select:focus, .contact-card textarea:focus { border-color: var(--primary); }
.contact-card ::placeholder { color: rgba(255,255,255,0.48); }
.contact-card .btn { width: 100%; }

.footer { padding: 28px 0; background: #050505; color: rgba(255,255,255,0.72); }
.footer-content { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer p { margin: 0; }
.footer a { margin-left: 16px; }
.footer a:hover { color: var(--primary); }
.whatsapp-float { position: fixed; right: 20px; bottom: 20px; z-index: 1001; width: 58px; height: 58px; display: grid; place-items: center; color: var(--white); background: #111111; border-radius: 50%; font-size: 2rem; box-shadow: 0 14px 30px rgba(0,0,0,0.35); transition: 0.2s ease; }
.whatsapp-float:hover { transform: translateY(-3px) scale(1.03); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; transition-delay: var(--reveal-delay, 0ms); }
.reveal.show { opacity: 1; transform: translateY(0); }

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes card-sheen {
  0%, 55% { transform: translateX(-120%); }
  78%, 100% { transform: translateX(120%); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .nav-toggle { display: grid; place-items: center; }
  .brand span { display: none; }
  .nav-menu { position: absolute; top: calc(100% + 8px); left: 16px; right: 16px; display: none; flex-direction: column; align-items: stretch; padding: 16px; border-radius: 20px; background: rgba(0, 0, 0, 0.98); box-shadow: var(--shadow); }
  .nav-menu.active { display: flex; }
  .nav-menu a { text-align: center; }
  .hero-grid, .solutions-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 125px; }
  .hero-card { max-width: 560px; }
  .services-grid, .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-box { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  #nosotros { padding-bottom: 34px; }
  .hero { min-height: auto; padding-bottom: 70px; }
  .hero-stats, .services-grid, .portfolio-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .tech-card-body { padding: 28px; }
  .portfolio-card img { height: 190px; }
  .cta-box { padding: 28px; border-radius: 26px; }
  .footer-content { flex-direction: column; text-align: center; }
  .footer a { margin: 0 8px; }
}

/* Contraste de la paleta blanco y negro en fondos claros y oscuros. */
.section-kicker { color: #171717; }
.hero .eyebrow, .section-dark .section-kicker,
.cta-box .section-kicker, .contact-section .section-kicker { color: #ffffff; }
.contact-section .section-heading p { color: #bfbfbf; }
.btn-primary { background: #ffffff; box-shadow: 0 12px 30px rgba(0,0,0,0.18); }
.btn-primary:hover, .nav-cta:hover { background: #e5e5e5 !important; }
.whatsapp-float { border: 1px solid #737373; }
a:focus-visible, button:focus-visible { outline: 3px solid #808080; outline-offset: 4px; }
.contact-card input:focus, .contact-card select:focus,
.contact-card textarea:focus { outline: 2px solid #ffffff; outline-offset: 2px; }
.contact-card select option { background: #ffffff; color: #171717; }
@media (max-width: 640px) {
  .cta-box .hero-actions { width: 100%; }
  .cta-btn { min-width: 0; padding-inline: 18px; font-size: 1rem; white-space: normal; }
  .contact-list a { overflow-wrap: anywhere; }
}