:root {
  --bg: #090d19;
  --bg-card: #101729;
  --bg-card-alt: #151b2e;
  --text: #f4f6ff;
  --muted: #a6aec3;
  --border: rgba(255, 255, 255, 0.10);
  --border-light: rgba(255, 255, 255, 0.18);
  --accent-purple: #9b76ff;
  --accent-blue: #4c8dff;
  --wa-green: #25d366;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Navbar */
.navbar {
  min-height: 78px;
  padding: 16px 7%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(9, 13, 25, 0.88);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 750;
  letter-spacing: -0.5px;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-grid;
  place-items: center;
  color: white;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  box-shadow: 0 4px 14px rgba(155, 118, 255, 0.35);
}

.brand-icon.small {
  width: 24px;
  height: 24px;
  font-size: 11px;
  border-radius: 6px;
}

.accent {
  color: #b7a0ff;
  margin-left: 2px;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

nav a:hover {
  color: #fff;
  transition: color 0.2s;
}

.nav-cta {
  padding: 10px 18px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  transition: all 0.2s;
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
}

/* Hero Section */
.hero {
  padding: 95px 7% 90px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 60px;
  overflow: hidden;
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(155, 118, 255, 0.3);
  background: rgba(155, 118, 255, 0.08);
  border-radius: 30px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 600;
  color: #c9bcff;
  letter-spacing: 0.3px;
}

.live-dot {
  width: 8px;
  height: 8px;
  background: var(--wa-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--wa-green);
}

h1 {
  font-size: clamp(40px, 5.2vw, 68px);
  line-height: 1.08;
  letter-spacing: -2.5px;
  margin: 22px 0;
  font-weight: 800;
}

.gradient {
  background: linear-gradient(100deg, #b7a0ff, #75c9ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text {
  max-width: 530px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.primary {
  color: #fff;
  background: linear-gradient(110deg, #8867f6, #4e8ff4);
  box-shadow: 0 8px 30px rgba(112, 89, 229, 0.28);
}

.primary:hover {
  box-shadow: 0 12px 36px rgba(112, 89, 229, 0.42);
}

.secondary {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: #f4f6ff;
}

.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.microcopy {
  font-size: 12px;
  color: #78839c;
  margin-top: 22px;
}

/* Product Preview Window */
.preview-wrap {
  position: relative;
  padding: 24px 0;
}

.glow {
  position: absolute;
  inset: 10% 0;
  background: radial-gradient(circle, rgba(120, 87, 255, 0.25) 0%, transparent 70%);
  filter: blur(60px);
  border-radius: 50%;
  pointer-events: none;
}

.preview {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background: var(--bg-card);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}

.preview-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.preview-controls {
  display: flex;
  gap: 6px;
}

.window-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.window-dot.red { background: #ff5f56; }
.window-dot.yellow { background: #ffbd2e; }
.window-dot.green { background: #27c93f; }

.preview-label {
  font-size: 10px;
  letter-spacing: 1.5px;
  color: #7e8aa5;
  font-weight: 700;
}

.live-badge {
  font-size: 10px;
  color: var(--wa-green);
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Scenario Switcher Tabs */
.scenario-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

.scenario-btn {
  flex: 1;
  padding: 9px 12px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
}

.scenario-btn:hover {
  color: #fff;
}

.scenario-btn.active {
  color: #fff;
  background: rgba(155, 118, 255, 0.08);
  border-bottom: 2px solid var(--accent-purple);
}

.preview-body {
  padding: 22px;
}

.chat-date {
  text-align: center;
  font-size: 11px;
  color: #6c7891;
  margin-bottom: 16px;
}

.message {
  margin-top: 10px;
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.7;
}

.user-message {
  background: rgba(255, 255, 255, 0.06);
  color: #dbe1f1;
  border: 1px solid var(--border);
  position: relative;
}

.user-message p, .ai-message p {
  margin: 0;
}

.msg-sender {
  font-size: 10px;
  font-weight: 700;
  color: #9aa5be;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: 4px;
}

.msg-time {
  font-size: 10px;
  color: #78849e;
  float: right;
  margin-top: 4px;
}

.ai-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  margin-top: 20px;
  color: #e4e0ff;
}

.verified-tag {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 10px;
  background: rgba(37, 211, 102, 0.15);
  color: var(--wa-green);
  font-weight: 600;
}

.ai-message {
  color: #f0edff;
  border: 1px solid rgba(157, 131, 255, 0.3);
  background: linear-gradient(135deg, rgba(128, 96, 255, 0.12), rgba(85, 185, 255, 0.06));
}

.ai-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.instant-badge {
  font-size: 11px;
  color: #9de4b7;
  font-weight: 600;
}

.preview-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: #8994ac;
  font-size: 11px;
  margin-top: 18px;
}

.demo-tag {
  color: #b8a7ff;
  font-weight: 700;
  letter-spacing: 1px;
}

/* Floating Cards */
.floating-card {
  position: absolute;
  padding: 11px 16px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: rgba(23, 28, 48, 0.95);
  backdrop-filter: blur(12px);
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
  color: #e2dcff;
}

.top-float {
  top: 6px;
  right: -20px;
}

.bottom-float {
  bottom: -15px;
  left: -20px;
}

/* Trust Strip */
.trust-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px 36px;
  padding: 24px 7%;
  border-block: 1px solid var(--border);
  color: #aeb6ca;
  font-size: 13px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.01);
}

.trust-strip > span {
  width: 100%;
  text-align: center;
  color: #727e98;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
}

/* General Section */
.section {
  padding: 95px 7%;
}

.section-heading {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-kicker {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #b8a7ff;
}

h2 {
  font-size: clamp(30px, 3.8vw, 46px);
  letter-spacing: -1.5px;
  line-height: 1.2;
  margin: 14px 0;
  font-weight: 800;
}

.section-heading p {
  color: var(--muted);
  font-size: 16px;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1150px;
  margin: auto;
}

.feature-card {
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(145deg, var(--bg-card-alt), #0e1322);
  transition: transform 0.25s, border-color 0.25s;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(155, 118, 255, 0.35);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(156, 123, 255, 0.12);
  color: #b5a2ff;
  font-size: 22px;
}

h3 {
  font-size: 18px;
  margin: 20px 0 10px;
  font-weight: 700;
}

.feature-card p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}

/* WhatsApp Simulator Section */
.demo-section {
  background: rgba(0, 0, 0, 0.25);
  border-block: 1px solid var(--border);
}

.sim-wrapper {
  max-width: 580px;
  margin: auto;
}

.sim-window {
  border: 1px solid var(--border-light);
  border-radius: 18px;
  background: #0f1627;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.sim-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: #141c33;
  border-bottom: 1px solid var(--border);
}

.sim-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(37, 211, 102, 0.15);
  font-size: 18px;
}

.sim-info strong {
  display: block;
  font-size: 13.5px;
  color: #fff;
}

.sim-info span {
  font-size: 11px;
  color: var(--wa-green);
}

.sim-messages {
  height: 290px;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: radial-gradient(circle at center, rgba(16, 23, 41, 0.9), #0b101c);
}

.bubble {
  max-width: 82%;
  padding: 12px 15px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.6;
  position: relative;
  word-wrap: break-word;
}

.bubble-time {
  display: block;
  font-size: 9.5px;
  color: rgba(255, 255, 255, 0.5);
  text-align: right;
  margin-top: 4px;
}

.bot-bubble {
  align-self: flex-start;
  background: #192238;
  color: #e5e9f8;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.user-bubble {
  align-self: flex-end;
  background: linear-gradient(135deg, #1d6e49, #155536);
  color: #fff;
}

.prompt-chips {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  background: #111728;
  overflow-x: auto;
  border-top: 1px solid var(--border);
}

.chip-btn {
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: #b7c1dc;
  font-size: 11.5px;
  padding: 6px 12px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.chip-btn:hover {
  background: rgba(155, 118, 255, 0.15);
  color: #fff;
  border-color: rgba(155, 118, 255, 0.4);
}

.sim-input-box {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  background: #141c33;
  border-top: 1px solid var(--border);
}

.sim-input-box input {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 11px 14px;
  color: #fff;
  font-size: 13px;
  outline: none;
}

.sim-input-box input:focus {
  border-color: var(--accent-purple);
}

.send-btn {
  padding: 10px 18px;
  font-size: 13px;
}

/* How It Works */
.how-section {
  padding: 95px 7%;
  background: #0d1220;
  border-bottom: 1px solid var(--border);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  max-width: 1080px;
  margin: auto;
}

.step {
  border-top: 1px solid rgba(161, 139, 255, 0.35);
  padding-top: 22px;
}

.step > span {
  font-size: 13px;
  font-weight: 800;
  color: #ad9bff;
  letter-spacing: 2px;
}

.step p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1100px;
  margin: auto;
  align-items: center;
}

.pricing-card {
  padding: 36px 30px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--bg-card);
  position: relative;
  transition: transform 0.2s;
}

.pricing-card.featured {
  border-color: rgba(155, 118, 255, 0.5);
  background: linear-gradient(160deg, #151a2e, #101526);
  box-shadow: 0 20px 60px rgba(155, 118, 255, 0.15);
  transform: scale(1.03);
}

.badge-featured {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #8867f6, #4e8ff4);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 4px 12px;
  border-radius: 20px;
}

.plan-desc {
  font-size: 12.5px;
  color: var(--muted);
  min-height: 38px;
}

.price {
  font-size: 38px;
  font-weight: 800;
  margin: 18px 0;
  color: #fff;
}

.price span {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
  color: #cfd6ea;
}

.full-width {
  width: 100%;
}

/* CTA Section */
.cta-section {
  padding: 30px 7% 95px;
}

.cta-box {
  max-width: 920px;
  margin: auto;
  text-align: center;
  padding: 65px 30px;
  border: 1px solid rgba(161, 139, 255, 0.3);
  border-radius: 22px;
  background: radial-gradient(ellipse at top, rgba(120, 87, 255, 0.18), transparent 65%), #111729;
}

.cta-box > p {
  max-width: 560px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 16px;
}

.cta-buttons {
  margin-top: 15px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 7% 30px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  flex-wrap: wrap;
}

.footer-left p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
  max-width: 320px;
}

.footer-links {
  display: flex;
  gap: 22px;
  font-size: 13px;
  color: var(--muted);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
  text-align: center;
  font-size: 11px;
  color: #727f98;
}

/* Responsive */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 45px;
    padding-top: 75px;
  }
  .feature-grid, .steps, .pricing-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.featured {
    transform: none;
  }
  .preview-wrap {
    max-width: 580px;
    width: 100%;
    margin: auto;
  }
}

@media (max-width: 650px) {
  .navbar {
    padding: 14px 5%;
  }
  .menu-toggle {
    display: block;
    color: white;
    background: none;
    border: 0;
    font-size: 24px;
    cursor: pointer;
  }
  nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    padding: 24px 6%;
    background: #0c1120;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
  }
  nav.open {
    display: flex;
  }
  .hero, .section, .how-section {
    padding: 65px 5%;
  }
  h1 {
    font-size: clamp(36px, 11vw, 54px);
    letter-spacing: -1.5px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .button {
    width: 100%;
  }
  .floating-card {
    display: none;
  }
  .footer {
    flex-direction: column;
  }
}