/* ============================================================
   BESSAI — style.css | Dark Mode Enterprise UI
   bess-solutions.cl
   ============================================================ */

:root {
  --bg-primary:   #080E14;
  --bg-secondary: #0D1820;
  --bg-card:      #0F1E2B;
  --bg-card-hover:#132436;
  --border:       rgba(0, 245, 196, 0.12);
  --border-hover: rgba(0, 245, 196, 0.35);
  --accent-teal:  #00F5C4;
  --accent-blue:  #00D4FF;
  --accent-purple:#A855F7;
  --accent-yellow:#F59E0B;
  --text-primary: #F0F6FF;
  --text-secondary:#8BA4B8;
  --text-muted:   #4A6070;
  --font-main:    'Inter', -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    20px;
  --shadow-card:  0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow:  0 0 40px rgba(0,245,196,0.08);
  --transition:   0.25s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── UTILITIES ── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section-badge {
  display: inline-block;
  background: rgba(0,245,196,0.08);
  color: var(--accent-teal);
  border: 1px solid rgba(0,245,196,0.2);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 48px;
  color: var(--text-primary);
}
.section-title em { font-style: normal; color: var(--accent-teal); }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, #00F5C4, #00D4FF);
  color: #050D13;
  font-weight: 700; font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: none; cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(0,245,196,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(0,245,196,0.4);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600; font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: var(--transition);
}
.btn-secondary:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,0.04);
}

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(8,14,20,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1180px; margin: 0 auto;
  padding: 16px 24px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
  font-weight: 800; font-size: 1.2rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500; font-size: 0.95rem;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.btn-nav {
  background: rgba(0,245,196,0.1) !important;
  color: var(--accent-teal) !important;
  border: 1px solid rgba(0,245,196,0.3) !important;
  padding: 8px 18px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
}
.btn-nav:hover { background: rgba(0,245,196,0.2) !important; }
.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-burger span { width: 24px; height: 2px; background: var(--text-secondary); border-radius: 2px; transition: var(--transition); }

/* ── HERO ── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  pointer-events: none;
}
#gridCanvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.3; }
.hero-glow {
  position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(0,245,196,0.08) 0%, transparent 70%);
}
.hero .container { position: relative; z-index: 1; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(0,245,196,0.06);
  border: 1px solid rgba(0,245,196,0.18);
  color: var(--accent-teal);
  font-size: 0.85rem; font-weight: 500;
  padding: 8px 18px; border-radius: 999px;
  margin-bottom: 32px;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--accent-teal);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-title {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 900; line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.highlight-number {
  display: block;
  background: linear-gradient(135deg, #00F5C4, #00D4FF);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: clamp(4rem, 9vw, 8rem);
  font-family: var(--font-mono);
}
.highlight-label { color: var(--text-primary); }
.hero-sub {
  max-width: 640px; margin: 0 auto 40px;
  font-size: 1.15rem; color: var(--text-secondary);
  line-height: 1.7;
}
.hero-cta { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }
.hero-stats {
  display: flex; justify-content: center; align-items: center; gap: 0;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 40px;
  max-width: 600px; margin: 0 auto;
  backdrop-filter: blur(10px);
}
.stat-item { text-align: center; padding: 0 32px; }
.stat-value { font-size: 2rem; font-weight: 800; color: var(--accent-teal); font-family: var(--font-mono); }
.stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 4px; }
.stat-divider { width: 1px; height: 50px; background: var(--border); flex-shrink: 0; }

/* ── PROBLEMA ── */
.problema {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}
.problema-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-bottom: 40px;
}
.problema-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}
.problema-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.problema-card.featured {
  background: linear-gradient(135deg, rgba(0,245,196,0.06), rgba(0,212,255,0.04));
  border-color: rgba(0,245,196,0.25);
}
.problema-icon { font-size: 2.5rem; margin-bottom: 16px; }
.problema-num { font-size: 3rem; font-weight: 900; color: var(--accent-teal); font-family: var(--font-mono); }
.problema-label { font-size: 0.9rem; color: var(--text-secondary); margin-top: 8px; line-height: 1.5; }
.problema-text {
  max-width: 720px; margin: 0 auto;
  text-align: center; font-size: 1.05rem;
  color: var(--text-secondary); line-height: 1.8;
}
.problema-text strong { color: var(--text-primary); }

/* ── CÓMO FUNCIONA ── */
.como-funciona { padding: 100px 0; }
.steps-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  transition: var(--transition);
}
.step-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  transform: translateY(-4px);
}
.step-num {
  font-size: 5rem; font-weight: 900;
  font-family: var(--font-mono);
  color: rgba(0,245,196,0.08);
  position: absolute; top: 20px; right: 24px;
  line-height: 1;
}
.step-icon { margin-bottom: 20px; }
.step-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.step-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }

/* ── RESULTADOS ── */
.resultados {
  padding: 100px 0;
  background: var(--bg-secondary);
  text-align: center;
}
.result-card {
  background: var(--bg-card);
  border: 1px solid rgba(0,245,196,0.2);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 800px; margin: 0 auto 40px;
  box-shadow: var(--shadow-card), 0 0 80px rgba(0,245,196,0.05);
}
.result-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 32px; padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.result-project { font-weight: 700; font-size: 1.1rem; }
.result-period { font-size: 0.85rem; color: var(--accent-teal); font-weight: 600; }
.result-comparison {
  display: flex; align-items: center; gap: 24px;
  margin-bottom: 32px;
}
.result-col { flex: 1; text-align: center; padding: 24px; border-radius: var(--radius-md); background: rgba(255,255,255,0.02); }
.result-col.featured { background: rgba(0,245,196,0.05); border: 1px solid rgba(0,245,196,0.15); }
.result-label { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 8px; }
.result-value { font-size: 2.5rem; font-weight: 900; font-family: var(--font-mono); }
.result-value.manual { color: var(--text-muted); }
.result-value.ai { color: var(--accent-teal); }
.result-value span { font-size: 1rem; font-weight: 500; }
.result-sub { font-size: 0.8rem; color: var(--text-secondary); margin-top: 6px; }
.result-vs { font-weight: 900; font-size: 1.2rem; color: var(--text-muted); flex-shrink: 0; }
.alpha-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.alpha-row:last-child { border-bottom: none; }
.alpha-label { font-size: 0.9rem; color: var(--text-secondary); }
.alpha-value { font-weight: 700; font-family: var(--font-mono); }
.alpha-value.highlight { color: var(--accent-teal); font-size: 1.2rem; }
.alpha-row.payback { background: rgba(0,245,196,0.04); margin: 0 -48px; padding: 16px 48px; border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
.payback-val { color: var(--accent-teal); font-size: 1.1rem; }
.result-cta-text { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 24px; }

/* ── PRECIOS ── */
.precios { padding: 100px 0; text-align: center; }
.precios-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  align-items: start;
}
.precio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: left;
  position: relative;
  transition: var(--transition);
}
.precio-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.precio-card.featured {
  background: linear-gradient(135deg, rgba(0,245,196,0.06), rgba(0,212,255,0.03));
  border-color: rgba(0,245,196,0.3);
  transform: scale(1.02);
}
.precio-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #00F5C4, #00D4FF);
  color: #050D13; font-weight: 800; font-size: 0.75rem;
  padding: 4px 16px; border-radius: 999px;
  white-space: nowrap;
}
.precio-name { font-size: 1.3rem; font-weight: 800; margin-bottom: 6px; }
.precio-target { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 24px; }
.precio-amount {
  font-size: 2.5rem; font-weight: 900;
  font-family: var(--font-mono);
  color: var(--accent-teal);
  margin-bottom: 28px;
}
.precio-amount span { font-size: 0.9rem; font-weight: 500; color: var(--text-secondary); }
.precio-features { list-style: none; margin-bottom: 32px; }
.precio-features li {
  padding: 9px 0; border-bottom: 1px solid var(--border);
  font-size: 0.9rem; color: var(--text-secondary);
  display: flex; align-items: center; gap: 10px;
}
.precio-features li::before { content: "→"; color: var(--accent-teal); font-weight: 700; flex-shrink: 0; }
.btn-precio {
  display: block; text-align: center;
  background: rgba(0,245,196,0.08);
  color: var(--accent-teal);
  border: 1px solid rgba(0,245,196,0.25);
  padding: 12px 24px; border-radius: var(--radius-md);
  font-weight: 600; text-decoration: none;
  transition: var(--transition);
}
.btn-precio:hover { background: rgba(0,245,196,0.15); }
.btn-precio.featured {
  background: linear-gradient(135deg, #00F5C4, #00D4FF);
  color: #050D13; border: none;
  font-weight: 700;
  box-shadow: 0 0 30px rgba(0,245,196,0.25);
}

/* ── CONTACTO / FORM ── */
.contacto { padding: 100px 0; text-align: center; background: var(--bg-secondary); }
.contacto-sub {
  max-width: 600px; margin: -24px auto 48px;
  font-size: 1.05rem; color: var(--text-secondary);
}
.form-container {
  max-width: 700px; margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: left;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; margin-bottom: 20px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); }
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main); font-size: 0.95rem;
  padding: 12px 16px;
  outline: none; transition: var(--transition);
  -webkit-appearance: none;
}
.form-group select { cursor: pointer; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(0,245,196,0.5);
  background: rgba(0,245,196,0.04);
  box-shadow: 0 0 0 3px rgba(0,245,196,0.08);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.checkbox-label {
  display: flex; align-items: flex-start; gap: 12px;
  cursor: pointer; font-size: 0.85rem; color: var(--text-secondary);
}
.checkbox-label input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--accent-teal); flex-shrink: 0; }
.btn-submit {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%;
  background: linear-gradient(135deg, #00F5C4, #00D4FF);
  color: #050D13; font-weight: 700; font-size: 1rem;
  padding: 16px 32px; border-radius: var(--radius-md);
  border: none; cursor: pointer;
  transition: var(--transition);
  margin-top: 24px;
  box-shadow: 0 0 30px rgba(0,245,196,0.25);
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(0,245,196,0.4); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-success {
  text-align: center; padding: 48px;
}
.success-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, #00F5C4, #00D4FF);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; color: #050D13; font-weight: 900;
  margin: 0 auto 24px;
}
.form-success h3 { font-size: 1.5rem; margin-bottom: 12px; }
.form-success p { color: var(--text-secondary); }
.contacto-alt { margin-top: 32px; color: var(--text-secondary); font-size: 0.9rem; }
.contacto-alt p { margin-bottom: 12px; }
.contacto-email, .contacto-linkedin {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--accent-teal); text-decoration: none;
  font-weight: 600; margin: 0 12px;
  transition: var(--transition);
}
.contacto-email:hover, .contacto-linkedin:hover { color: var(--accent-blue); }

/* ── FOOTER ── */
.footer { padding: 60px 0 32px; border-top: 1px solid var(--border); }
.footer-top { display: flex; gap: 60px; margin-bottom: 48px; flex-wrap: wrap; }
.footer-brand { flex: 1; min-width: 220px; }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; margin-top: 16px; line-height: 1.7; max-width: 260px; }
.footer-links { display: flex; gap: 60px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { font-weight: 700; font-size: 0.9rem; color: var(--text-primary); margin-bottom: 4px; }
.footer-col a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; transition: var(--transition); }
.footer-col a:hover { color: var(--accent-teal); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--border);
  font-size: 0.82rem; color: var(--text-muted); flex-wrap: wrap; gap: 12px;
}
.footer-tech { font-family: var(--font-mono); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .problema-grid, .steps-grid, .precios-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 24px; padding: 24px; }
  .stat-divider { width: 80px; height: 1px; }
  .result-comparison { flex-direction: column; }
  .result-header { flex-direction: column; gap: 8px; text-align: left; }
  .precio-card.featured { transform: none; }
  .footer-top { flex-direction: column; gap: 40px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .form-container { padding: 32px 24px; }
}

@media (max-width: 600px) {
  .hero { padding: 100px 0 60px; }
  .section-title { font-size: 1.8rem; }
  .hero-cta { flex-direction: column; }
  .hero-stats { padding: 20px; }
  .alpha-row.payback { margin: 0 -24px; padding: 16px 24px; }
  .result-card { padding: 32px 24px; }
}