:root {
  --bg-main: #070914;
  --bg-soft: #0e1324;
  --surface: rgba(18, 25, 46, 0.62);
  --surface-strong: rgba(19, 27, 51, 0.84);
  --text-main: #e6ecff;
  --text-muted: #9ba8d0;
  --accent: #56a4ff;
  --accent-2: #9f5bff;
  --border: rgba(146, 180, 255, 0.24);
  --glow: 0 0 20px rgba(95, 149, 255, 0.25);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1140px;
  --transition: 220ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at 15% 10%, rgba(86, 164, 255, 0.18), transparent 35%),
    radial-gradient(circle at 80% 22%, rgba(159, 91, 255, 0.16), transparent 38%),
    linear-gradient(140deg, #05070f 0%, var(--bg-main) 42%, #05070f 100%);
  line-height: 1.6;
}

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

.container {
  width: min(var(--container), calc(100% - 2.5rem));
  margin-inline: auto;
}

.section {
  padding: 4.5rem 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(5, 8, 20, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  border-color: var(--border);
  background: rgba(6, 9, 20, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 70px;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
}

.brand-logo {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

.brand-text {
  display: inline-block;
}

.header-nav {
  display: flex;
  gap: 1.2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.header-nav a {
  transition: color var(--transition);
}

.header-nav a:hover {
  color: var(--text-main);
}

.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.72rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition), border-color var(--transition);
  cursor: pointer;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 30px rgba(84, 139, 255, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 16px 34px rgba(89, 145, 255, 0.45);
}

.btn-secondary {
  background: rgba(14, 24, 48, 0.85);
  border-color: var(--border);
}

.btn-lg {
  padding: 0.9rem 1.5rem;
  font-size: 1rem;
}

.hero {
  padding: 6.2rem 0 4.8rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.25;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  max-width: 24ch;
}

h2 {
  font-size: clamp(1.65rem, 2.4vw, 2.45rem);
  margin-bottom: 0.85rem;
}

h3 {
  font-size: 1.15rem;
}

.lead,
.section-subtitle {
  color: var(--text-muted);
  max-width: 74ch;
}

.eyebrow {
  color: #b8ceff;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  margin-bottom: 0.85rem;
}

.bullet-list {
  margin: 1.15rem 0 1.7rem;
  padding-left: 1.1rem;
}

.bullet-list li + li {
  margin-top: 0.45rem;
}

.helper-note {
  color: var(--text-muted);
  margin-top: 0.75rem;
  font-size: 0.93rem;
}

.glass-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(24, 34, 64, 0.68), var(--surface));
  backdrop-filter: blur(12px);
  box-shadow: var(--glow);
}

.hero-visual {
  min-height: 390px;
  position: relative;
  overflow: hidden;
  padding: 1.2rem;
}

.data-flow {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(110deg, transparent 0 24px, rgba(86, 164, 255, 0.08) 24px 28px),
    radial-gradient(circle at 80% 20%, rgba(159, 91, 255, 0.28), transparent 44%);
  opacity: 0.6;
  animation: pulseFlow 4.5s ease-in-out infinite;
}

.chat-stream {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 0.5rem;
}

.chat-bubble {
  max-width: 84%;
  padding: 0.65rem 0.8rem;
  border-radius: 12px;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(8px);
  animation: bubbleIn 0.55s forwards;
}

.chat-bubble.user {
  align-self: flex-start;
  background: rgba(63, 98, 170, 0.35);
  border: 1px solid rgba(103, 156, 255, 0.35);
}

.chat-bubble.ai {
  align-self: flex-end;
  background: rgba(115, 72, 182, 0.34);
  border: 1px solid rgba(182, 136, 255, 0.35);
}

.cards-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.cards-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cards-grid .glass-card,
.feature-block,
.compare-card,
.step-card,
.cta-inline-inner,
.main-cta .glass-card,
.lead-form {
  padding: 1.35rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.cards-grid .glass-card:hover,
.feature-block:hover,
.compare-card:hover,
.step-card:hover,
.cta-inline-inner:hover,
.main-cta .glass-card:hover,
.lead-form:hover {
  transform: translateY(-3px);
  border-color: rgba(141, 179, 255, 0.45);
  box-shadow: 0 16px 36px rgba(31, 52, 104, 0.35);
}

.cta-inline {
  padding-top: 0;
}

.cta-inline-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.flow-steps {
  margin: 1.5rem 0 1rem;
  padding: 1rem;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
}

.flow-steps span {
  text-align: center;
  font-size: 0.88rem;
  padding: 0.6rem 0.35rem;
  border-radius: var(--radius-sm);
  background: rgba(29, 41, 73, 0.75);
  border: 1px solid rgba(133, 170, 255, 0.22);
}

.solution-copy {
  color: var(--text-muted);
  max-width: 76ch;
}

.features .container {
  display: grid;
  gap: 1.3rem;
}

.result-note {
  margin: 0.9rem 0 0;
  color: #cce0ff;
  font-weight: 600;
}

.target-actions {
  color: var(--text-muted);
}

.compare-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.3rem;
}

.compare-card ul {
  margin: 0.85rem 0 0;
  padding-left: 1rem;
  color: var(--text-muted);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
}

.step-card span {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, rgba(86, 164, 255, 0.8), rgba(159, 91, 255, 0.8));
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.highlight-line {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  background: linear-gradient(90deg, rgba(86, 164, 255, 0.22), rgba(159, 91, 255, 0.2));
  border: 1px solid rgba(128, 172, 255, 0.35);
  font-size: 1.15rem;
  font-weight: 700;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.1rem;
}

.chips span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  background: rgba(17, 27, 52, 0.75);
}

.main-cta .glass-card {
  text-align: center;
}

.mini-list {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  padding: 0;
  margin: 1.1rem 0 0;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.lead-form {
  max-width: 700px;
  margin-top: 1rem;
}

.lead-form label {
  display: block;
  margin: 0.7rem 0 0.35rem;
  font-weight: 600;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  border: 1px solid rgba(132, 168, 251, 0.3);
  border-radius: 12px;
  background: rgba(9, 15, 30, 0.8);
  color: var(--text-main);
  padding: 0.7rem 0.8rem;
  font: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.lead-form input:focus,
.lead-form textarea:focus {
  border-color: rgba(120, 169, 255, 0.72);
  box-shadow: 0 0 0 4px rgba(94, 146, 255, 0.16);
}

.error-message {
  min-height: 1.2em;
  display: block;
  color: #ff9fb2;
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.form-status {
  margin: 0.75rem 0 0;
  color: #b3ddff;
  min-height: 1.3em;
}

.form-status a {
  color: #d1e4ff;
  text-decoration: underline;
}

.site-footer {
  border-top: 1px solid rgba(123, 158, 236, 0.2);
  padding: 2.5rem 0;
  margin-top: 2rem;
  background: rgba(5, 9, 18, 0.85);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1rem;
}

.site-footer h3 {
  margin-bottom: 0.45rem;
}

.footer-about {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.8rem;
  max-width: 520px;
  min-width: 450px;
}

.footer-about p {
  margin: 0;
}

.site-header .brand-logo {
  width: 64px;
  height: 64px;
}

.site-footer .brand-logo {
  width: 112px;
  height: 112px;
}

.site-footer p {
  margin: 0.4rem 0;
  color: var(--text-muted);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

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

@keyframes pulseFlow {
  0%,
  100% {
    opacity: 0.45;
  }
  50% {
    opacity: 0.8;
  }
}

@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .header-nav {
    display: none;
  }

  .section {
    padding: 3.5rem 0;
  }

  .cta-inline-inner {
    flex-direction: column;
    align-items: flex-start;
  }

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

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

  .mini-list {
    justify-content: flex-start;
    gap: 0.7rem;
  }

  .container {
    width: min(var(--container), calc(100% - 1.4rem));
  }

  .site-header .brand-logo {
    width: 48px;
    height: 48px;
  }

  .site-footer .brand-logo {
    width: 64px;
    height: 64px;
  }

  .footer-about {
    display: flex;
  }
}