/* ============================================================
   HERÓN v2.1 — SaaS Minimalista Técnico
   ============================================================ */

/* ============================================================
   0. VARIABLES & RESET
   ============================================================ */
:root {
  --bg:           #060E1C;
  --bg-2:         #07101F;
  --bg-surface:   #0A1628;
  --bg-card:      rgba(10, 22, 44, 0.72);
  --bg-card-solid:#0C1A32;

  --border:       rgba(46, 140, 210, 0.10);
  --border-mid:   rgba(46, 140, 210, 0.22);
  --border-glow:  rgba(46, 185, 255, 0.42);

  --accent:       #2EB9FF;
  --accent-2:     #0E90D4;
  --accent-dim:   rgba(46, 185, 255, 0.12);
  --accent-glow:  rgba(46, 185, 255, 0.20);

  --white:        #FFFFFF;
  --gray-1:       #C8D8EA;
  --gray-2:       #7090B0;
  --gray-3:       #3A5068;

  --green:        #10D9A0;
  --green-bg:     rgba(16, 217, 160, 0.08);
  --wa-green:     #25D366;
  --wa-dark:      #0a2a22;
  --wa-bg:        #0b1a14;
  --wa-msg-bg:    #162a1e;
  --wa-user-bg:   #163320;

  --font:         'Inter', 'Montserrat', system-ui, sans-serif;

  --section-py:   100px;
  --container:    1200px;
  --radius:       10px;
  --radius-sm:    6px;
  --radius-lg:    12px;

  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast:       0.18s;
  --t-mid:        0.36s;
  --t-slow:       0.65s;

  --shadow-card:  0 8px 48px rgba(0,0,0,0.55);
  --shadow-glow:  0 0 36px rgba(46,185,255,0.11);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background-color: var(--bg);
  color: var(--white);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Engineering grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(46,185,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,185,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

img { display: block; max-width: 100%; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
button { cursor: pointer; border: none; background: none; }

/* ============================================================
   1. UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

.accent-text { color: var(--accent); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-label::before {
  content: '';
  display: block;
  width: 18px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-size: clamp(1.85rem, 3.4vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.14;
  color: var(--white);
  margin-bottom: 14px;
}

.section-sub {
  font-size: 0.97rem;
  color: var(--gray-2);
  max-width: 520px;
  line-height: 1.75;
}

.section-sub.centered {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.w-full { width: 100%; justify-content: center; }

.hidden { display: none !important; }

/* ============================================================
   2. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--t-fast) var(--ease);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: #52C9FF;
  box-shadow: 0 0 0 1px var(--accent), 0 0 22px var(--accent-glow), 0 0 44px rgba(46,185,255,0.12);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--gray-1);
  border: 1px solid var(--border-mid);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--gray-1);
  border: 1px solid var(--border-mid);
  justify-content: center;
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  color: var(--white);
  border-color: var(--gray-3);
  transform: translateY(-1px);
}

.btn-whatsapp {
  background: var(--wa-green);
  color: #fff;
  font-weight: 600;
}
.btn-whatsapp:hover {
  background: #1fc957;
  box-shadow: 0 0 0 1px var(--wa-green), 0 0 20px rgba(37,211,102,0.22);
  transform: translateY(-1px);
}

.btn-lg { padding: 13px 34px; font-size: 0.93rem; }

/* ============================================================
   3. NAVBAR
   — Logo grande, links pequeños y discretos
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background var(--t-mid) var(--ease),
              box-shadow var(--t-mid) var(--ease),
              padding var(--t-mid) var(--ease);
}
.navbar.scrolled {
  background: rgba(6, 14, 28, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
  padding: 12px 0;
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 40px;
}

/* LOGO — grande, fuerte */
.nav-logo {
  font-family: var(--font);
  font-size: 1.5rem;          /* más grande que antes */
  font-weight: 700;
  letter-spacing: 0.10em;
  color: var(--white);
  flex-shrink: 0;
  transition: color var(--t-fast);
}
.nav-logo:hover { color: var(--accent); }
.nav-logo span  { color: var(--accent); }

/* LINKS — pequeños y discretos */
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  font-size: 0.78rem;         /* más pequeño que antes */
  font-weight: 500;
  color: var(--gray-3);
  letter-spacing: 0.02em;
  transition: color var(--t-fast);
  text-transform: uppercase;
}
.nav-links a:hover { color: var(--white); }

.nav-cta { margin-left: auto; flex-shrink: 0; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--t-fast) var(--ease);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   4. FADE-UP
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--t-slow) var(--ease),
              transform var(--t-slow) var(--ease);
  transition-delay: var(--delay, 0s);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   5. HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 72px;      /* reducido bottom para acercar la sig sección */
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -15%; right: -8%;
  width: 700px; height: 700px;
  background: radial-gradient(ellipse, rgba(46,185,255,0.08) 0%, transparent 65%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--border-mid) 30%,
    rgba(46,185,255,0.2) 50%,
    var(--border-mid) 70%,
    transparent);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 8px;
  background: var(--accent-dim);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 22px;
}
.hero-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

.hero-headline {
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.07;
  margin-bottom: 18px;
}

.hero-sub {
  font-size: 0.97rem;
  color: var(--gray-2);
  line-height: 1.78;
  margin-bottom: 32px;
  max-width: 460px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; }
.stat-num   { font-size: 1.45rem; font-weight: 700; letter-spacing: -0.03em; color: var(--white); line-height: 1; }
.stat-label { font-size: 0.72rem; color: var(--gray-3); margin-top: 4px; }
.stat-divider { width: 1px; height: 28px; background: var(--border); }

/* ============================================================
   5b. iPhone-style phone frame
   ============================================================ */
.hero-phone-wrap,
.demo-phone-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.hero-phone-wrap::before {
  content: '';
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse, rgba(46,185,255,0.07) 0%, transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}

.iphone-frame {
  width: 262px;
  background: #0C0C12;
  border-radius: 46px;
  padding: 13px 9px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.09),
    0 0 0 2.5px rgba(255,255,255,0.03),
    inset 0 0 0 1px rgba(255,255,255,0.05),
    0 36px 80px rgba(0,0,0,0.75),
    0 0 60px rgba(46,185,255,0.08);
  position: relative;
}
.iphone-frame::before {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 44px;
  border: 1px solid rgba(255,255,255,0.06);
  pointer-events: none;
}

.iphone-island {
  width: 96px; height: 26px;
  background: #0C0C12;
  border-radius: 20px;
  margin: 0 auto 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.06);
}
.iphone-island-cam {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #141420;
  box-shadow: inset 0 0 4px rgba(46,185,255,0.35);
  border: 1px solid rgba(255,255,255,0.07);
}

.iphone-screen {
  background: var(--wa-bg);
  border-radius: 32px;
  overflow: hidden;
  height: 450px;
  display: flex;
  flex-direction: column;
}

/* WhatsApp UI */
.wa-header {
  background: var(--wa-dark);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 9px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.wa-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--wa-green));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
  flex-shrink: 0;
}
.wa-name   { font-size: 0.8rem; font-weight: 600; color: var(--white); line-height: 1.2; }
.wa-status { font-size: 0.65rem; color: var(--green); }

.wa-chat {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  background: var(--wa-bg);
  background-image:
    linear-gradient(rgba(46,185,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,185,255,0.015) 1px, transparent 1px);
  background-size: 20px 20px;
}

.wa-msg {
  max-width: 88%;
  padding: 7px 10px;
  border-radius: 10px;
  font-size: 0.73rem;
  line-height: 1.48;
  color: var(--gray-1);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.wa-msg.show { opacity: 1; transform: translateY(0); }
.wa-msg.bot  { background: var(--wa-msg-bg); align-self: flex-start; border-bottom-left-radius: 2px; }
.wa-msg.user { background: var(--wa-user-bg); align-self: flex-end; border-bottom-right-radius: 2px; color: #9fd9b0; }

/* Typing indicator */
.wa-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--wa-msg-bg);
  padding: 9px 12px;
  border-radius: 10px;
  border-bottom-left-radius: 2px;
  align-self: flex-start;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.wa-typing.show { opacity: 1; }
.wa-typing span {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gray-3);
  animation: typing-dot 1.2s infinite;
}
.wa-typing span:nth-child(2) { animation-delay: 0.2s; }
.wa-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-dot {
  0%, 60%, 100% { transform: translateY(0); background: var(--gray-3); }
  30%            { transform: translateY(-4px); background: var(--accent); }
}

.wa-input-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 9px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}
.wa-input-fake {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 11px;
  font-size: 0.7rem;
  color: var(--gray-3);
}
.wa-send {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--bg);
  flex-shrink: 0;
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  opacity: 0.3;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-2);
  animation: scrollBob 2.5s ease-in-out infinite;
  z-index: 1;
}
.scroll-line { width: 1px; height: 36px; background: linear-gradient(to bottom, var(--accent), transparent); }
@keyframes scrollBob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ============================================================
   6. PROBLEMS + SOLUTIONS
   — Glass cards en carrusel, sin flechas, auto-rotación
   ============================================================ */
.problems-section {
  padding: 64px 0 var(--section-py);   /* top reducido para acercar al hero */
  background: var(--bg-2);
  overflow: hidden;
}

/* Tabs toggle */
.ps-toggle-wrap {
  display: inline-flex;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  margin: 24px 0 32px;
  gap: 3px;
}
.ps-tab {
  padding: 8px 26px;
  border-radius: 5px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-2);
  transition: all var(--t-fast) var(--ease);
  font-family: var(--font);
  letter-spacing: 0.01em;
}
.ps-tab.active { background: var(--accent); color: var(--bg); }
.ps-tab:hover:not(.active) { color: var(--white); }

/* Fade edges */
.ps-carousel-outer {
  position: relative;
  overflow: hidden;
}
.ps-carousel-outer::before,
.ps-carousel-outer::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.ps-carousel-outer::before { left: 0;  background: linear-gradient(to right, var(--bg-2), transparent); }
.ps-carousel-outer::after  { right: 0; background: linear-gradient(to left,  var(--bg-2), transparent); }
/* CONTENEDOR DEL CARRUSEL */
.ps-cards {
  display: flex;
  overflow: hidden;
  justify-content: center;
  align-items: center;
  scroll-behavior: smooth;
  position: relative;
  margin-top: 20px;
}

/* CARD (1 visible centrada) */
.ps-card {
  flex: 0 0 70%;
  max-width: 520px;
  margin: 0 auto;
  margin-top: 10px;
  
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;

  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);

  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  min-height: 180px;

  display: none; /* 🔥 clave para carrusel JS */
}

/* SOLO LA ACTIVA SE MUESTRA */
.ps-card.active {
  display: block;
}

.ps-card:hover {
  border-color: var(--border-mid);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5), var(--shadow-glow);
}

.ps-card.solution-card:hover {
  border-color: rgba(46,185,255,0.32);
}

/* ICONO */
.ps-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
  background: var(--accent-dim);
  transition: border-color var(--t-fast), background var(--t-fast);
}

.ps-card:hover .ps-icon {
  border-color: var(--accent);
  background: rgba(46,185,255,0.14);
}

/* TEXTO */
.ps-card h3 {
  font-size: 0.93rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  color: var(--white);
}

.ps-card p {
  font-size: 0.81rem;
  color: var(--gray-2);
  line-height: 1.66;
}

/* DOTS */
.ps-nav {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
}

.ps-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-mid);
  transition: all var(--t-fast);
  cursor: pointer;
  border: none;
}

.ps-dot.active {
  background: var(--accent);
  width: 20px;
  border-radius: 3px;
}

/* ============================================================
   7. SERVICES
   ============================================================ */
.services-section { padding: var(--section-py) 0; background: var(--bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 42px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 22px;
  position: relative;
  overflow: hidden;
  transition: all var(--t-mid) var(--ease);
  transition-delay: var(--delay, 0s);
  backdrop-filter: blur(8px);
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.service-card:hover {
  border-color: var(--border-mid);
  transform: translateY(-5px);
  box-shadow: 0 18px 48px rgba(0,0,0,0.5), var(--shadow-glow);
}
.service-card:hover::after { opacity: 1; }

.service-icon {
  width: 44px; height: 44px;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: var(--accent-dim);
  margin-bottom: 18px;
}

.service-card h3 { font-size: 1rem; font-weight: 700; letter-spacing: -0.015em; margin-bottom: 9px; color: var(--white); }
.service-card p  { font-size: 0.84rem; color: var(--gray-2); line-height: 1.7; }

.service-tag {
  display: inline-flex;
  margin-top: 16px;
  padding: 3px 10px;
  background: var(--green-bg);
  color: var(--green);
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid rgba(16,217,160,0.16);
}

/* ============================================================
   8. DEMO SECTION
   — Botón grande y centrado en la columna izquierda
   ============================================================ */
.demo-section {
  padding: var(--section-py) 0;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}
.demo-glow {
  position: absolute;
  bottom: -20%; left: 5%;
  width: 480px; height: 480px;
  background: radial-gradient(ellipse, rgba(46,185,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.demo-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* Left column: text stacks naturally, CTA block anchored at bottom */
.demo-text {
  display: flex;
  flex-direction: column;
}

/* Spacer pushes the CTA block down */
.demo-text .section-sub { margin-bottom: 0; }

/* CTA block — the big button area */
.demo-cta-block {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

/* The big demo button */
.btn-demo-main {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  background: var(--wa-green);
  color: #fff;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
  box-shadow: 0 4px 24px rgba(37,211,102,0.20);
}
.btn-demo-main:hover {
  background: #1fc957;
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--wa-green), 0 8px 36px rgba(37,211,102,0.30);
}
.btn-demo-main svg { flex-shrink: 0; }

.demo-cta-note {
  font-size: 0.76rem;
  color: var(--gray-3);
  letter-spacing: 0.02em;
  font-weight: 400;
}

.demo-phone-wrap { display: flex; justify-content: center; }

/* ============================================================
   9. PRICING
   ============================================================ */
.pricing-section { padding: var(--section-py) 0; background: var(--bg); text-align: center; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  text-align: left;
  position: relative;
  transition: all var(--t-mid) var(--ease);
  transition-delay: var(--delay, 0s);
  backdrop-filter: blur(8px);
}
.pricing-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-mid);
  box-shadow: 0 20px 56px rgba(0,0,0,0.5);
}
.pricing-card.featured {
  border-color: var(--accent);
  background: rgba(46,185,255,0.04);
  box-shadow: 0 0 0 1px rgba(46,185,255,0.3), var(--shadow-glow);
  transform: scale(1.02);
}
.pricing-card.featured:hover {
  transform: scale(1.02) translateY(-5px);
  box-shadow: 0 0 0 1px var(--accent), 0 24px 56px rgba(0,0,0,0.6), 0 0 40px var(--accent-glow);
}

.plan-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  padding: 3px 14px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  white-space: nowrap;
}
.plan-name  { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-2); margin-bottom: 14px; }
.plan-price { display: flex; align-items: baseline; gap: 2px; margin-bottom: 10px; letter-spacing: -0.035em; font-size: 2.6rem; font-weight: 700; color: var(--white); }
.currency   { font-size: 1.2rem; font-weight: 600; margin-top: 4px; }
.period     { font-size: 0.85rem; font-weight: 400; color: var(--gray-2); margin-left: 2px; letter-spacing: 0; }
.plan-desc  { font-size: 0.82rem; color: var(--gray-2); line-height: 1.65; margin-bottom: 20px; min-height: 46px; }
.plan-features { display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; }
.plan-features li { font-size: 0.82rem; color: var(--gray-1); display: flex; align-items: flex-start; gap: 7px; }
.plan-features li.muted { color: var(--gray-3); }

/* ============================================================
   10. ABOUT
   ============================================================ */
.about-section { padding: var(--section-py) 0; background: var(--bg-2); }
.about-inner   { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }

.about-badges { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  color: var(--gray-1);
  font-weight: 500;
  transition: border-color var(--t-fast);
}
.badge:hover { border-color: var(--border-mid); }

.about-grid-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.av-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 18px;
  backdrop-filter: blur(8px);
  transition: all var(--t-fast) var(--ease);
}
.av-block:hover { border-color: var(--border-mid); transform: translateY(-3px); }
.av-block.big   { grid-column: span 2; background: rgba(46,185,255,0.03); border-color: rgba(46,185,255,0.16); }
.av-block.highlight { background: rgba(46,185,255,0.04); border-color: rgba(46,185,255,0.2); }
.av-num { font-size: 2.1rem; font-weight: 700; letter-spacing: -0.04em; color: var(--white); line-height: 1; margin-bottom: 5px; }
.av-block.big .av-num { font-size: 2.6rem; }
.av-label { font-size: 0.75rem; color: var(--gray-2); }

/* ============================================================
   11. FINAL CTA
   ============================================================ */
.cta-section {
  padding: var(--section-py) 0;
  background: var(--bg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 280px;
  background: radial-gradient(ellipse, rgba(46,185,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner    { position: relative; z-index: 1; }
.cta-headline { font-size: clamp(2.1rem, 4.2vw, 3.4rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 16px; }
.cta-sub      { font-size: 0.97rem; color: var(--gray-2); max-width: 460px; margin: 0 auto 34px; line-height: 1.75; }
.cta-actions  { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }

/* ============================================================
   12. FOOTER
   ============================================================ */
.footer { background: #040912; border-top: 1px solid var(--border); padding: 56px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1.3fr 2fr; gap: 56px; padding-bottom: 40px; }

.footer-logo { font-size: 1.05rem; font-weight: 700; letter-spacing: 0.07em; color: var(--white); margin-bottom: 11px; }
.footer-brand p { font-size: 0.82rem; color: var(--gray-3); line-height: 1.65; max-width: 230px; margin-bottom: 16px; }
.footer-socials { display: flex; gap: 8px; }

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--gray-3);
  transition: all var(--t-fast) var(--ease);
}
.social-icon:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-col h4 { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-3); margin-bottom: 12px; }
.footer-col a  { display: block; font-size: 0.82rem; color: var(--gray-3); margin-bottom: 8px; transition: color var(--t-fast); }
.footer-col a:hover { color: var(--white); }

.footer-bottom { border-top: 1px solid var(--border); padding: 16px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; font-size: 0.75rem; color: var(--gray-3); }

/* ============================================================
   13. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner    { grid-template-columns: 1fr; gap: 52px; text-align: center; }
  .hero-content  { align-items: center; display: flex; flex-direction: column; }
  .hero-sub      { margin: 0 auto 32px; }
  .hero-actions  { justify-content: center; }
  .hero-stats    { justify-content: center; }
  .hero-phone-wrap { max-width: 300px; margin: 0 auto; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid .service-card:last-child { grid-column: span 2; max-width: 380px; margin: 0 auto; }

  .demo-inner    { grid-template-columns: 1fr; gap: 52px; }
  .demo-text     { text-align: center; align-items: center; }
  .demo-cta-block { align-items: center; }

  .about-inner   { grid-template-columns: 1fr; gap: 48px; }

  .pricing-grid  { grid-template-columns: 1fr; max-width: 380px; margin-left: auto; margin-right: auto; }
  .pricing-card.featured { transform: scale(1); }
  .pricing-card.featured:hover { transform: translateY(-5px); }

  .footer-inner  { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --section-py: 64px; }

  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(6,14,28,0.97);
    backdrop-filter: blur(22px);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transform: translateX(100%);
    transition: transform var(--t-mid) var(--ease);
    z-index: 998;
  }
  .nav-links.open     { transform: translateX(0); }
  .nav-links a        { font-size: 0.95rem; }
  .nav-cta            { display: none; }
  .nav-hamburger      { display: flex; z-index: 999; }

  .services-grid      { grid-template-columns: 1fr; }
  .services-grid .service-card:last-child { grid-column: auto; max-width: 100%; margin: 0; }

  .footer-links       { grid-template-columns: 1fr 1fr; }
  .footer-bottom .container { flex-direction: column; gap: 6px; text-align: center; }
  .hero-stats         { flex-wrap: wrap; gap: 14px; }

  .btn-demo-main      { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .footer-links       { grid-template-columns: 1fr; }
  .hero-actions       { flex-direction: column; align-items: stretch; }
  .hero-actions .btn  { justify-content: center; }
  .cta-actions        { flex-direction: column; align-items: center; }
  .cta-actions .btn   { width: 100%; max-width: 300px; justify-content: center; }
}

/* ============================================================
   14. SCROLLBAR & SELECTION
   ============================================================ */
::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-card-solid); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-2); }
::selection { background: rgba(46,185,255,0.18); color: var(--white); }

.wa-chat {
  height: 100%;
  max-height: 420px; /* ajusta según tu diseño */
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;

  scroll-behavior: smooth;
}

/* Opcional: estilo scroll más limpio */
.wa-chat::-webkit-scrollbar {
  width: 4px;
}
.wa-chat::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.2);
  border-radius: 10px;
}

.center-demo {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 400px;
}

.demo-text {
  max-width: 600px;
}

.demo-cta-block {
  margin-top: 24px;
}

.btn-demo-main {
  display: inline-block;
  font-size: 1.2rem;
  padding: 16px 32px;
  border-radius: 14px;
  background: linear-gradient(135deg, #00c46a, #00a85a);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 15px 40px rgba(0, 196, 106, 0.35);
  transition: all 0.25s ease;
}

.btn-demo-main:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 50px rgba(0, 196, 106, 0.5);
}

.demo-cta-note {
  margin-top: 10px;
  font-size: 0.85rem;
  opacity: 0.7;
}

.demo-cta-block {
  display: flex;
  flex-direction: column;
  align-items: center;   /* 🔥 ESTA ES LA CLAVE */
  justify-content: center;
}