/* ============================
   CSS — Te lo voy a decir
   Industrial/Tech · Dark Navy + Electric Green
   ============================ */

/* ── Variables ── */
:root {
  --navy:      #0a0f1e;
  --navy-2:    #0f1729;
  --navy-3:    #162040;
  --green:     #2dd4a0;
  --green-dim: #1a8f6b;
  --green-glow:#2dd4a020;
  --white:     #f0f4f8;
  --white-dim: #a8b8cc;
  --mono:      'DM Mono', 'Courier New', monospace;
  --sans:      'Syne', 'Trebuchet MS', sans-serif;
  --radius:    6px;
  --max-w:     1200px;
  --transition: 0.25s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--sans);
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* ── Container ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: all var(--transition);
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--green);
  color: var(--navy);
  border-color: var(--green);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: transparent;
  color: var(--green);
  box-shadow: 0 0 20px var(--green-glow);
}
.btn-outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--green-glow);
  box-shadow: 0 0 20px var(--green-glow);
}

/* ── Section shared ── */
.section {
  padding: 100px 0;
}
.section-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--sans);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--white);
}
.section-sub {
  color: var(--white-dim);
  font-size: 1.05rem;
  max-width: 560px;
  margin-bottom: 60px;
}

/* ==================
   HEADER
================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(45, 212, 160, 0.12);
  transition: background var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-mark {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--navy);
  background: var(--green);
  padding: 4px 8px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}
.logo-mark.small {
  font-size: 0.7rem;
  padding: 3px 6px;
}
.logo-text {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--white-dim);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a:focus-visible {
  color: var(--green);
}
.nav-links .nav-cta {
  color: var(--green);
  border: 1px solid var(--green);
  padding: 6px 16px;
  border-radius: var(--radius);
}
.nav-links .nav-cta:hover {
  background: var(--green-glow);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.mobile-nav {
  background: var(--navy-2);
  border-top: 1px solid rgba(45,212,160,0.1);
  padding: 20px 24px;
}
.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-nav a {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--white-dim);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--green); }

/* ==================
   HERO
================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(45,212,160,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,212,160,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(45,212,160,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--green);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(45,212,160,0.08);
  border: 1px solid rgba(45,212,160,0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-family: var(--sans);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.0;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.hero-title em {
  font-style: normal;
  color: var(--green);
  position: relative;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--white-dim);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-family: var(--mono);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--green);
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--white-dim);
  margin-top: 4px;
  letter-spacing: 0.02em;
}
.stat-divider {
  width: 1px; height: 36px;
  background: rgba(45,212,160,0.2);
}
.hero-visual {
  position: absolute;
  right: -40px; top: 50%;
  transform: translateY(-50%);
  width: 400px; height: 500px;
  opacity: 0.5;
  pointer-events: none;
}
.circuit-lines {
  width: 100%; height: 100%;
}
.circuit-lines svg {
  width: 100%; height: 100%;
}

/* ==================
   QUÉ HACEMOS
================== */
.que-hacemos {
  background: var(--navy-2);
  border-top: 1px solid rgba(45,212,160,0.08);
  border-bottom: 1px solid rgba(45,212,160,0.08);
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--navy-3);
  border: 1px solid rgba(45,212,160,0.12);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover, .card:focus-visible {
  border-color: rgba(45,212,160,0.35);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(45,212,160,0.08);
}
.card:hover::before, .card:focus-visible::before {
  opacity: 1;
}
.card--accent {
  background: linear-gradient(135deg, #0f2035 0%, #162040 100%);
  border-color: rgba(45,212,160,0.25);
}
.card-icon {
  color: var(--green);
  margin-bottom: 20px;
}
.card-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: rgba(45,212,160,0.4);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.card-title {
  font-family: var(--sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.3;
}
.card-desc {
  font-size: 0.92rem;
  color: var(--white-dim);
  line-height: 1.7;
  margin-bottom: 24px;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.card-tags li {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--green);
  background: rgba(45,212,160,0.08);
  border: 1px solid rgba(45,212,160,0.2);
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

/* ==================
   CASO DE USO
================== */
.caso-de-uso { background: var(--navy); }
.caso-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.caso-desc p {
  color: var(--white-dim);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 32px;
}
.caso-bullets {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.caso-bullets li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.bullet-icon {
  color: var(--green);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
  font-family: var(--mono);
}
.caso-bullets li span:last-child {
  color: var(--white-dim);
  font-size: 0.95rem;
  line-height: 1.5;
}
.kpis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.kpi-label {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(45,212,160,0.5);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.kpi-card {
  background: var(--navy-2);
  border: 1px solid rgba(45,212,160,0.12);
  border-radius: var(--radius);
  padding: 20px 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: border-color var(--transition);
}
.kpi-card:hover { border-color: rgba(45,212,160,0.3); }
.kpi-icon {
  color: var(--green);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
}
.kpi-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}
.kpi-desc {
  font-size: 0.78rem;
  color: var(--white-dim);
}

/* ==================
   POR QUÉ COLOMBIA
================== */
.por-que {
  background: var(--navy-2);
  border-top: 1px solid rgba(45,212,160,0.08);
  border-bottom: 1px solid rgba(45,212,160,0.08);
}
.por-que-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.pq-item { padding: 0; }
.pq-num {
  font-family: var(--mono);
  font-size: 2.5rem;
  font-weight: 400;
  color: rgba(45,212,160,0.2);
  line-height: 1;
  margin-bottom: 20px;
}
.pq-item h3 {
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.3;
}
.pq-item p {
  font-size: 0.92rem;
  color: var(--white-dim);
  line-height: 1.7;
}

/* ==================
   ALIANZA
================== */
.alianza { background: var(--navy); }
.alianza-inner {
  max-width: 900px;
}
.alianza-text {
  margin-bottom: 36px;
}
.alianza-lead {
  font-size: 1.15rem;
  color: var(--white);
  line-height: 1.7;
  margin-bottom: 16px;
}
.alianza-text p:last-child {
  color: var(--white-dim);
  font-size: 0.95rem;
}
.alianza-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 40px;
}
.alianza-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--navy-2);
  border: 1px solid rgba(45,212,160,0.1);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 0.9rem;
  color: var(--white-dim);
  line-height: 1.5;
  transition: border-color var(--transition);
}
.alianza-list li:hover { border-color: rgba(45,212,160,0.3); }
.ali-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--green);
  background: rgba(45,212,160,0.08);
  border: 1px solid rgba(45,212,160,0.2);
  padding: 2px 8px;
  border-radius: 3px;
  white-space: nowrap;
  margin-top: 2px;
  flex-shrink: 0;
}
.alianza-cta { margin-top: 0; }

/* ==================
   CONTACTO
================== */
.contacto { background: var(--navy-2); }
.contacto-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}
.contacto-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.info-block {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.info-icon {
  color: var(--green);
  margin-top: 2px;
  flex-shrink: 0;
}
.info-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(45,212,160,0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.info-val {
  font-size: 0.92rem;
  color: var(--white);
}
.info-link {
  color: var(--green);
  transition: opacity var(--transition);
}
.info-link:hover { opacity: 0.7; }
.nda-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: rgba(45,212,160,0.06);
  border: 1px solid rgba(45,212,160,0.18);
  border-radius: var(--radius);
  padding: 16px;
  font-size: 0.85rem;
  color: var(--white-dim);
  line-height: 1.5;
}
.nda-badge {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--navy);
  background: var(--green);
  padding: 2px 8px;
  border-radius: 3px;
  white-space: nowrap;
  margin-top: 1px;
  flex-shrink: 0;
}

/* ── Form ── */
.contacto-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--white-dim);
  letter-spacing: 0.05em;
}
.form-group label span { color: var(--green); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--navy-3);
  border: 1px solid rgba(45,212,160,0.15);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--sans);
  font-size: 0.9rem;
  padding: 12px 14px;
  transition: border-color var(--transition);
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(168,184,204,0.4);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%232dd4a0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
.form-group select option { background: var(--navy-2); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-error {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: #ff6b6b;
  background: rgba(255,107,107,0.08);
  border: 1px solid rgba(255,107,107,0.2);
  border-radius: var(--radius);
  padding: 10px 14px;
}
.form-submit { align-self: flex-start; }

/* ==================
   FOOTER
================== */
.site-footer {
  background: var(--navy);
  border-top: 1px solid rgba(45,212,160,0.12);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--white);
}
.footer-note {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(45,212,160,0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(45,212,160,0.06);
  border: 1px solid rgba(45,212,160,0.15);
  padding: 6px 14px;
  border-radius: 100px;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--white-dim);
}

/* ==================
   ANIMATIONS
================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================
   RESPONSIVE
================== */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .caso-inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero { min-height: auto; padding: 100px 0 60px; }
  .hero-visual { display: none; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 20px; }

  .cards-grid { grid-template-columns: 1fr; }
  .por-que-grid { grid-template-columns: 1fr; gap: 32px; }
  .alianza-list { grid-template-columns: 1fr; }
  .contacto-inner { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .kpis-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.4rem; }
  .section-title { font-size: 1.8rem; }
}