:root {
  --bg: #000000;
  --bg-soft: #07111f;
  --bg-card: #0b1628;
  --text: #f8fafc;
  --muted: #94a3b8;
  --primary: #1479ff;
  --secondary: #00bfff;
  --border: rgba(20, 121, 255, 0.25);
  --shadow: rgba(20, 121, 255, 0.28);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(20,121,255,0.16), transparent 32%),
    radial-gradient(circle at bottom right, rgba(0,191,255,0.10), transparent 30%),
    linear-gradient(135deg, #000000, #07111f 55%, #000000);
  color: var(--text);
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  max-width: 1200px;
  margin: auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: white;
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -1px;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-size: 14px;
}

.nav-links a:hover { color: var(--secondary); }

.menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 28px;
}

.hero {
  min-height: 90vh;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  padding: 90px 8%;
}

.tag {
  color: var(--secondary);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.05;
  margin: 20px 0;
}

.hero p,
.section-title p,
.card p,
.comparison-box li,
.contact-box p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 17px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.btn {
  border: none;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: bold;
  text-decoration: none;
  cursor: pointer;
  display: inline-block;
  transition: 0.3s;
}

.primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 15px 40px var(--shadow);
}

.secondary {
  background: transparent;
  color: white;
  border: 1px solid var(--border);
}

.btn:hover {
  transform: translateY(-3px);
}

.hero-card,
.card,
.comparison-box,
.interactive-chat,
.post-card,
.crm-layout,
.contact-box {
  background: rgba(7, 17, 31, 0.88);
  border: 1px solid var(--border);
  box-shadow: 0 25px 70px rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
}

.hero-card {
  border-radius: 28px;
  padding: 32px;
  min-height: 260px;
}

.status-dot {
  width: 14px;
  height: 14px;
  background: var(--secondary);
  border-radius: 50%;
  margin-bottom: 20px;
  box-shadow: 0 0 24px var(--secondary);
}

.section {
  padding: 90px 8%;
}

.section-title {
  max-width: 840px;
  margin: 0 auto 50px;
  text-align: center;
}

.section-title span {
  color: var(--secondary);
  font-weight: bold;
  text-transform: uppercase;
}

.section-title h2 {
  font-size: clamp(32px, 5vw, 48px);
  margin: 14px 0;
}

.cards-grid,
.experience-grid {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 24px;
  align-items: start;
}

.cards-grid {
  grid-template-columns: repeat(3, 1fr);
}

.card,
.comparison-box {
  padding: 28px;
  border-radius: 24px;
}

.card h3,
.comparison-box h3 {
  margin-bottom: 14px;
  color: var(--secondary);
}

.card p + p {
  margin-top: 14px;
}

.comparison {
  max-width: 960px;
  margin: 0 auto 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.comparison-box ul {
  padding-left: 20px;
}

.highlight {
  border-color: var(--secondary);
  box-shadow: 0 0 45px rgba(20,121,255,0.35);
}

.interactive-chat {
  border-radius: 28px;
  overflow: hidden;
}

.chat-header {
  background: linear-gradient(135deg, #020617, #0f2a50);
  color: white;
  padding: 18px;
  font-weight: bold;
}

.chat-messages {
  padding: 24px;
  min-height: 390px;
  max-height: 470px;
  overflow-y: auto;
}

.message {
  max-width: 86%;
  margin-bottom: 14px;
  padding: 14px 18px;
  border-radius: 18px;
  line-height: 1.5;
  animation: fadeUp 0.25s ease;
}

.client {
  background: #13243d;
  color: white;
  margin-left: auto;
}

.agent {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  margin-right: auto;
}

.system {
  background: rgba(255,255,255,0.08);
  color: var(--muted);
  margin: 12px auto;
  text-align: center;
  font-size: 14px;
}

.quick-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  padding: 0 24px 24px;
}

.quick-options button {
  position: relative;
  border: 2px solid rgba(20, 121, 255, 0.9);
  background:
    radial-gradient(circle at top left, rgba(20,121,255,0.28), transparent 38%),
    linear-gradient(135deg, rgba(3, 15, 35, 0.98), rgba(1, 8, 20, 0.98));
  color: white;
  padding: 20px 52px 20px 20px;
  min-height: 76px;
  border-radius: 26px;
  font-size: 17px;
  font-weight: 800;
  cursor: pointer;
  text-align: left;
  box-shadow:
    0 0 18px rgba(20,121,255,0.35),
    inset 0 0 22px rgba(20,121,255,0.12);
  transition: 0.25s ease;
}

.quick-options button::after {
  content: "›";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 46px;
  line-height: 1;
  color: #1479ff;
  text-shadow: 0 0 16px rgba(20,121,255,0.85);
}

.quick-options button:hover {
  transform: translateY(-4px) scale(1.015);
  border-color: #00bfff;
  box-shadow:
    0 0 28px rgba(0,191,255,0.55),
    inset 0 0 26px rgba(20,121,255,0.18);
}

.quick-options button:active {
  transform: scale(0.98);
}

.chat-btn {
  margin: 0 24px 24px;
}

.instagram-demo {
  max-width: 1050px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.post-card {
  border-radius: 28px;
  overflow: hidden;
}

.post-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.post-image {
  height: 300px;
  background:
    linear-gradient(135deg, rgba(0,0,0,0.2), rgba(20,121,255,0.45)),
    url("https://images.unsplash.com/photo-1551183053-bf91a1d81141?auto=format&fit=crop&w=1000&q=80");
  background-size: cover;
  background-position: center;
  color: white;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 34px;
  font-weight: 900;
  text-shadow: 0 4px 20px black;
}

.post-comments {
  padding: 18px;
}

.post-comments p {
  margin-bottom: 10px;
  color: var(--text);
}

.dark-btn {
  margin: 0 18px 18px;
}

.crm-layout {
  max-width: 1100px;
  margin: auto;
  display: grid;
  grid-template-columns: 260px 1fr;
  border-radius: 28px;
  overflow: hidden;
}

.crm-sidebar {
  background: rgba(0,0,0,0.65);
  padding: 24px;
}

.crm-sidebar h3 {
  margin-bottom: 24px;
  color: var(--secondary);
}

.crm-menu {
  display: block;
  width: 100%;
  padding: 14px;
  margin-bottom: 10px;
  border: none;
  border-radius: 12px;
  text-align: left;
  cursor: pointer;
  background: rgba(255,255,255,0.08);
  color: white;
}

.crm-menu.active,
.crm-menu:hover {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.crm-content {
  padding: 30px;
}

.crm-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.crm-table th,
.crm-table td {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  color: white;
}

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(20,121,255,0.18);
  color: var(--secondary);
  font-size: 12px;
  font-weight: bold;
}

.contact-box {
  max-width: 1000px;
  margin: auto;
  text-align: center;
  border-radius: 32px;
  padding: 60px 30px;
}

.contact-box h2 {
  font-size: clamp(30px, 5vw, 46px);
  margin-bottom: 16px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.contact-grid a {
  background: rgba(255,255,255,0.08);
  color: white;
  text-decoration: none;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.contact-grid a:hover {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.footer {
  background: #000;
  color: #94a3b8;
  text-align: center;
  padding: 30px;
  border-top: 1px solid var(--border);
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  background: linear-gradient(135deg, #1479ff, #00bfff);
  color: white;
  padding: 16px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 15px 40px rgba(20,121,255,0.45);
  z-index: 99;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .hero,
  .comparison,
  .instagram-demo,
  .crm-layout,
  .experience-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .quick-options {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    right: 24px;
    background: #07111f;
    padding: 22px;
    border-radius: 18px;
    flex-direction: column;
    border: 1px solid var(--border);
  }

  .nav-links.active {
    display: flex;
  }

  .menu-btn {
    display: block;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}