/* ═══════════════════════════════════════════════
   BioScan Vital – Premium Dark Design System
   ═══════════════════════════════════════════════ */

:root {
  --bg-deep:        #050D1F;
  --bg-mid:         #0A1628;
  --bg-card:        rgba(255,255,255,0.04);
  --border-glow:    rgba(0,255,136,0.2);
  --green:          #00FF88;
  --green-dim:      #00CC6A;
  --cyan:           #00D4FF;
  --blue-accent:    #1E6FFF;
  --text-white:     #FFFFFF;
  --text-muted:     #8DA0BC;
  --text-body:      #C5D5E8;
  --font-head:      'Outfit', sans-serif;
  --font-body:      'Inter', sans-serif;
  --radius-md:      16px;
  --radius-lg:      24px;
  --transition:     0.35s cubic-bezier(0.4,0,0.2,1);
  --glow-green:     0 0 30px rgba(0,255,136,0.3), 0 0 60px rgba(0,255,136,0.1);
  --glow-cyan:      0 0 30px rgba(0,212,255,0.25);
  --shadow-card:    0 8px 32px rgba(0,0,0,0.4);
}

/* ── Reset ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-body);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typography ─────────────────────────────────── */
h1,h2,h3,h4 {
  font-family: var(--font-head);
  color: var(--text-white);
  line-height: 1.2;
}
h1 { font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 900; }
h2 { font-size: clamp(1.6rem, 4vw, 2.8rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 600; }

.gradient-text {
  background: linear-gradient(135deg, var(--green) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.accent { color: var(--green); }
.accent-green { color: var(--green); }
.lead { font-size: 1.15rem; color: var(--text-white); margin-bottom: 1.2rem; }
p { color: var(--text-body); }

/* ── Container ──────────────────────────────────── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Utility ─────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.glass-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--glow-green), var(--shadow-card);
  border-color: rgba(0,255,136,0.5);
}
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1rem;
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.25);
  border-radius: 100px;
  padding: 0.3rem 1rem;
}
.section-title { margin-bottom: 1.25rem; text-align: center; }
.section-title.left { text-align: left; }
.section-subtitle {
  max-width: 680px;
  margin: 0 auto 3rem;
  font-size: 1.1rem;
  text-align: center;
  color: var(--text-body);
}
.section { padding: 100px 0; }
.section-dark { background: var(--bg-mid); }

/* ── Scanlines overlay ──────────────────────────── */
.scanlines {
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background: repeating-linear-gradient(
    to bottom,
    transparent, transparent 2px,
    rgba(0,255,136,0.015) 2px, rgba(0,255,136,0.015) 4px
  );
}

/* ─────────────────────────────────────────────────
   NAV
───────────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0.9rem 0;
  background: rgba(5,13,31,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,255,136,0.1);
  transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(5,13,31,0.95);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav-inner {
  max-width: 1180px; margin: 0 auto;
  padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.75rem;
}
#nav-logo-img { height: 40px; width: 40px; object-fit: contain; }
.nav-brand {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-white);
}
.nav-links {
  display: flex; align-items: center; gap: 2rem;
}
.nav-links a {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--green);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
  border-radius: 4px;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-white); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.btn-nav {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #050D1F !important;
  font-weight: 700 !important;
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  transition: box-shadow var(--transition), transform var(--transition) !important;
}
.btn-nav::after { display: none !important; }
.btn-nav:hover {
  box-shadow: var(--glow-green) !important;
  transform: scale(1.05) !important;
}
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─────────────────────────────────────────────────
   HERO
───────────────────────────────────────────────── */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  overflow: hidden;
  background: url('assets/hero_bg.png') center center / cover no-repeat;
}
.hero-bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(5,13,31,0.6) 0%,
    rgba(5,13,31,0.4) 50%,
    rgba(5,13,31,0.95) 100%
  );
  z-index: 0;
}
.hero-content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center;
  padding: 120px 1.5rem 4rem;
}
.hero-logo-wrap { margin-bottom: 1.5rem; }
.hero-logo {
  height: 120px; width: 120px; object-fit: contain;
  filter: drop-shadow(var(--glow-green));
  animation: hero-float 4s ease-in-out infinite;
}
@keyframes hero-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-head); font-weight: 600; font-size: 0.8rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--green);
  background: rgba(0,255,136,0.1);
  border: 1px solid rgba(0,255,136,0.35);
  border-radius: 100px; padding: 0.35rem 1.1rem;
  margin-bottom: 1.25rem;
}
#hero h1 { margin-bottom: 1.25rem; max-width: 800px; }
.hero-slogan {
  font-size: 1.2rem; color: var(--text-body);
  max-width: 580px; margin-bottom: 2.5rem;
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.hero-scroll-indicator {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 2;
}
.scroll-dot {
  width: 28px; height: 28px;
  border: 2px solid rgba(0,255,136,0.5);
  border-radius: 50%;
  position: relative;
  animation: scroll-bounce 2s infinite;
}
.scroll-dot::after {
  content: '';
  position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--green);
  border-radius: 4px;
}
@keyframes scroll-bounce {
  0%,100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.5; }
}

/* ── Buttons ─────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #050D1F;
  font-family: var(--font-head); font-weight: 700; font-size: 0.95rem;
  padding: 0.85rem 2rem; border-radius: 100px;
  transition: box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-primary:hover {
  box-shadow: var(--glow-green);
  transform: scale(1.05);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent;
  color: var(--text-white);
  font-family: var(--font-head); font-weight: 600; font-size: 0.95rem;
  padding: 0.85rem 2rem; border-radius: 100px;
  border: 1px solid rgba(0,255,136,0.4);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn-secondary:hover {
  background: rgba(0,255,136,0.07);
  border-color: var(--green);
  box-shadow: var(--glow-green);
}
.btn-icon { width: 18px; height: 18px; flex-shrink: 0; }

/* ─────────────────────────────────────────────────
   OPORTUNIDAD / STATS
───────────────────────────────────────────────── */
#oportunidad { text-align: center; }
.oportunidad-stats {
  display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap;
  margin-top: 3rem;
}
.stat-card {
  flex: 1; min-width: 180px; max-width: 260px;
  padding: 2.5rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--glow-green);
}
.stat-number {
  font-family: var(--font-head);
  font-size: 3.5rem; font-weight: 900;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-suffix {
  font-family: var(--font-head);
  font-size: 1.8rem; font-weight: 800;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-card p {
  margin-top: 0.75rem;
  font-size: 0.9rem; color: var(--text-muted);
}

/* ─────────────────────────────────────────────────
   TWO-COL LAYOUT
───────────────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
  margin-top: 3.5rem;
}
.text-col {}
.visual-col {}

/* ── SCANNER section ──────────────────────────── */
.feature-list { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.feature-item {
  display: flex; gap: 1rem; align-items: flex-start;
}
.feature-icon {
  font-size: 1.5rem; min-width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,255,136,0.1); border-radius: 12px;
  flex-shrink: 0;
}
.feature-item strong { color: var(--text-white); display: block; margin-bottom: 0.2rem; }
.feature-item p { font-size: 0.9rem; color: var(--text-muted); }

.scanner-card {
  padding: 2rem;
  text-align: center;
}
.scanner-card h3 { margin: 1.25rem 0 1.5rem; font-size: 1.1rem; }
.scanner-icon-wrap {
  position: relative; width: 90px; height: 90px;
  margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
}
.pulse-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid var(--green);
  animation: pulse-out 2.4s ease-out infinite;
}
.delay-pulse { animation-delay: 1.2s; }
@keyframes pulse-out {
  0%   { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(1.8); opacity: 0; }
}
.scanner-icon-main { font-size: 2.8rem; position: relative; z-index: 1; }
.sistemas-grid {
  display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center;
}
.sistema-tag {
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.2);
  color: var(--green);
  font-size: 0.78rem; font-weight: 600;
  padding: 0.3rem 0.75rem; border-radius: 100px;
  transition: background var(--transition), box-shadow var(--transition);
}
.sistema-tag:hover {
  background: rgba(0,255,136,0.18);
  box-shadow: 0 0 12px rgba(0,255,136,0.2);
}

/* ─────────────────────────────────────────────────
   PLATAFORMA CARDS
───────────────────────────────────────────────── */
#plataforma { text-align: center; }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}
.feature-card {
  padding: 2rem 1.75rem;
  text-align: left;
}
.card-icon {
  font-size: 2rem; margin-bottom: 1rem;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,255,136,0.08);
  border-radius: 14px;
}
.feature-card h3 { margin-bottom: 0.75rem; }
.feature-card p { font-size: 0.92rem; color: var(--text-muted); }

/* ─────────────────────────────────────────────────
   ANI SECTION
───────────────────────────────────────────────── */
.ani-section {}
.ani-col { align-items: center; }
.ani-visual { position: relative; }
.ani-img {
  width: 100%; max-width: 420px;
  border-radius: var(--radius-lg);
  filter: drop-shadow(var(--glow-cyan));
  position: relative; z-index: 1;
}
.ani-glow {
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,212,255,0.3) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  border-radius: 50%; z-index: 0;
  animation: ani-pulse 3s ease-in-out infinite;
}
@keyframes ani-pulse {
  0%,100% { opacity: 0.6; transform: translate(-50%,-50%) scale(1); }
  50%      { opacity: 1;   transform: translate(-50%,-50%) scale(1.15); }
}
.ani-features { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.ani-feature-item { display: flex; align-items: center; gap: 1rem; }
.ani-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  flex-shrink: 0;
}
.ani-feature-item p { font-size: 1rem; color: var(--text-body); }

/* ─────────────────────────────────────────────────
   MODELO DE NEGOCIO
───────────────────────────────────────────────── */
#negocio { text-align: center; }
.negocio-dual {
  display: flex; align-items: stretch; gap: 0;
  margin: 3rem auto 3.5rem;
  max-width: 800px;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.ingreso-card {
  flex: 1; padding: 2.5rem 2rem;
  background: transparent; border: none; border-radius: 0;
  box-shadow: none; text-align: center;
  transition: background var(--transition);
}
.ingreso-card:hover {
  background: rgba(0,255,136,0.04);
  transform: none; box-shadow: none; border-color: transparent;
}
.ingreso-icon {
  font-size: 2.8rem; margin-bottom: 1rem;
  filter: drop-shadow(0 0 10px rgba(0,255,136,0.4));
}
.ingreso-card h3 { margin-bottom: 1rem; }
.ingreso-card p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.ingreso-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #050D1F; font-weight: 700; font-size: 0.8rem;
  padding: 0.35rem 1rem; border-radius: 100px;
}
.ingreso-divider {
  display: flex; align-items: center; justify-content: center;
  padding: 0 1rem;
  border-left: 1px solid var(--border-glow);
  border-right: 1px solid var(--border-glow);
}
.ingreso-divider span {
  font-family: var(--font-head); font-size: 2rem; font-weight: 900;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.proceso-steps { margin-top: 1rem; }
.proceso-title {
  font-family: var(--font-head); font-size: 1.1rem;
  color: var(--text-muted); margin-bottom: 2rem;
}
.steps-row {
  display: flex; align-items: flex-start; justify-content: center;
  gap: 0.5rem; flex-wrap: wrap;
}
.step {
  flex: 1; min-width: 140px; max-width: 200px;
  text-align: center;
}
.step-num {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #050D1F; font-family: var(--font-head); font-weight: 900; font-size: 1.3rem;
  border-radius: 50%; margin: 0 auto 0.75rem;
  display: flex; align-items: center; justify-content: center;
}
.step p { font-size: 0.88rem; color: var(--text-muted); }
.step-arrow {
  font-size: 1.5rem; color: var(--green);
  margin-top: 0.8rem; flex-shrink: 0;
}

/* ─────────────────────────────────────────────────
   CTA FINAL
───────────────────────────────────────────────── */
.cta-section {
  position: relative; text-align: center;
  background: var(--bg-mid);
  overflow: hidden;
}
.cta-bg-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,255,136,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-container { position: relative; z-index: 2; }
.cta-cards {
  display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap;
  margin-top: 3rem;
}
.contact-card {
  flex: 1; min-width: 260px; max-width: 380px;
  padding: 2.5rem 2rem; text-align: center;
}
.contact-icon {
  font-size: 2.5rem; margin-bottom: 1rem;
}
.contact-card h4 { margin-bottom: 0.75rem; }
.contact-card p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 1.75rem; }

/* ─────────────────────────────────────────────────
   FOOTER
───────────────────────────────────────────────── */
footer {
  background: rgba(0,0,0,0.5);
  border-top: 1px solid rgba(0,255,136,0.1);
  padding: 3rem 0;
}
.footer-inner {
  display: flex; flex-direction: column; align-items: center; gap: 1.5rem; text-align: center;
}
.footer-brand {
  display: flex; align-items: center; gap: 1rem;
}
.footer-logo { height: 48px; width: 48px; object-fit: contain; }
.footer-slogan { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; }
.footer-links {
  display: flex; gap: 1.75rem; flex-wrap: wrap; justify-content: center;
}
.footer-links a {
  font-size: 0.88rem; color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--green); }
.footer-copy { font-size: 0.8rem; color: rgba(141,160,188,0.55); }

/* ─────────────────────────────────────────────────
   ANIMATIONS
───────────────────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-right { opacity: 0; transform: translateX(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible, .fade-left.visible, .fade-right.visible {
  opacity: 1; transform: translate(0,0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-pulse { animation-delay: 1.2s; }

/* ─────────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────────── */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: 2.5rem; }
  .ani-col { direction: initial; }
  .ani-visual { order: -1; text-align: center; }
  .ani-img { max-width: 320px; margin: 0 auto; }
  .negocio-dual { flex-direction: column; }
  .ingreso-divider { padding: 1rem; border-left: none; border-right: none; border-top: 1px solid var(--border-glow); border-bottom: 1px solid var(--border-glow); flex-direction: row; }
}
@media (max-width: 768px) {
  .nav-links {
    display: none; flex-direction: column; align-items: center;
    position: fixed; top: 70px; left: 0; right: 0;
    background: rgba(5,13,31,0.98);
    padding: 2rem 1rem; gap: 1.5rem;
    border-bottom: 1px solid var(--border-glow);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .hero-logo { height: 90px; width: 90px; }
  .steps-row { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); }
  .section { padding: 70px 0; }
  .cards-grid { grid-template-columns: 1fr; }
  .oportunidad-stats { flex-direction: column; align-items: center; }
  .stat-card { width: 100%; max-width: 340px; }
}