:root {
  --bg: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-soft: rgba(255, 255, 255, 0.66);
  --line: rgba(16, 24, 40, 0.08);
  --line-strong: rgba(16, 24, 40, 0.14);
  --text: #101114;
  --muted: #6e7381;
  --accent: #0a84ff;
  --shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.96), rgba(245, 245, 247, 0) 34%),
    radial-gradient(circle at 50% 12%, rgba(10, 132, 255, 0.05), transparent 20%),
    linear-gradient(180deg, #fbfbfc 0%, var(--bg) 38%, #ececef 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0));
  opacity: 0.55;
}

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

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1200px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

.site-header,
.site-footer,
.hero,
.device-stage,
.statement,
.feature-section,
.split-section,
.metrics-section,
.pricing-section,
.faq-section {
  position: relative;
}

.site-header {
  position: sticky;
  top: 0.8rem;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  margin-top: 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.05);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #191b20, #08090c);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.92rem;
}

.brand-copy {
  display: grid;
  gap: 0.08rem;
}

.brand-copy strong,
.brand-copy small,
.site-nav,
.header-cta {
  font-size: 0.92rem;
}

.brand-copy small,
.site-nav,
.hero-text,
.hero-notes,
.statement p,
.feature-card p,
.split-copy p,
.split-list p,
.metric-grid p,
.pricing-panel p,
.pricing-box span,
.faq-card p,
.site-footer,
.detail-card p,
.bubble p,
.conversation-header small,
.overview-strip small,
.detail-card small {
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.2rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(16, 24, 40, 0.06);
}

.lang-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.45rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.lang-button.is-active {
  background: #111318;
  color: #ffffff;
}

.header-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.header-cta {
  padding: 0.75rem 1rem;
  background: #111318;
  color: #ffffff;
}

.hero {
  padding: 7.2rem 0 2.6rem;
  text-align: center;
}

.hero-kicker,
.eyebrow,
.bubble span,
.status-pill {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-kicker,
.eyebrow {
  color: #5c6270;
}

.hero h1,
.section-heading h2,
.pricing-panel h2 {
  margin: 0;
  letter-spacing: -0.05em;
  line-height: 0.94;
  font-weight: 700;
}

.hero h1 {
  max-width: 10ch;
  margin: 0.4rem auto 0;
  font-size: clamp(3.9rem, 8vw, 7.4rem);
}

.hero h1 span {
  display: block;
  color: #5c6270;
}

.hero-text {
  max-width: 42rem;
  margin: 1.4rem auto 0;
  font-size: 1.12rem;
  line-height: 1.75;
}

.hero-caption {
  margin: 0.2rem 0 0;
  color: #8a90a0;
  font-size: 0.96rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 2rem 0 1.2rem;
}

.primary-button,
.secondary-button {
  padding: 0.95rem 1.45rem;
  font-size: 0.96rem;
  font-weight: 600;
}

.primary-button {
  background: #111318;
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(17, 19, 24, 0.14);
}

.secondary-button {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(16, 24, 40, 0.08);
}

.hero-notes {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.95rem;
}

.hero-notes span {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.44);
  border: 1px solid rgba(16, 24, 40, 0.05);
}

.device-stage,
.feature-section,
.split-section,
.metrics-section,
.pricing-section,
.faq-section {
  padding: 3.5rem 0;
}

.device-stage {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 44rem;
}

.device-halo {
  position: absolute;
  top: 6rem;
  width: min(44rem, 92vw);
  height: 28rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.08), transparent 68%);
  filter: blur(18px);
}

.floating-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(6px);
  opacity: 0.8;
  animation: drift 9s ease-in-out infinite;
}

.orb-one {
  top: 7rem;
  right: 14%;
  width: 0.9rem;
  height: 0.9rem;
  background: rgba(10, 132, 255, 0.2);
}

.orb-two {
  bottom: 5rem;
  left: 14%;
  width: 1.25rem;
  height: 1.25rem;
  background: rgba(10, 132, 255, 0.12);
  animation-delay: 1.8s;
}

.device-card,
.statement,
.feature-card,
.split-list article,
.metric-grid article,
.pricing-panel,
.pricing-box,
.faq-card,
.detail-card {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow);
}

.device-card {
  position: relative;
  z-index: 1;
  width: min(100%, 62rem);
  padding: 1rem;
  border-radius: 2.4rem;
  transform-style: preserve-3d;
  transition: transform 220ms ease;
}

.device-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(10, 132, 255, 0.12), rgba(255, 255, 255, 0.65));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.device-topbar,
.conversation-header,
.pricing-panel,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.device-topbar {
  padding: 0.2rem 0.3rem 1rem;
}

.device-topbar span {
  width: 4rem;
  height: 0.35rem;
  border-radius: 999px;
  background: rgba(16, 24, 40, 0.12);
}

.device-topbar p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.device-screen {
  padding: 1.1rem;
  border-radius: 1.8rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 247, 249, 0.95)),
    #ffffff;
  border: 1px solid rgba(16, 24, 40, 0.06);
  overflow: hidden;
}

.overview-strip,
.detail-grid,
.feature-grid,
.metric-grid,
.faq-grid {
  display: grid;
  gap: 1rem;
}

.overview-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.overview-strip article {
  padding: 1rem;
  border-radius: 1.2rem;
  background: rgba(245, 245, 247, 0.95);
  border: 1px solid rgba(16, 24, 40, 0.05);
}

.overview-strip strong,
.conversation-header strong,
.detail-card strong,
.feature-card h3,
.split-list strong,
.metric-grid strong,
.pricing-box strong,
.faq-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.conversation-panel {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 1.5rem;
  background: #ffffff;
  border: 1px solid rgba(16, 24, 40, 0.06);
  position: relative;
}

.conversation-panel::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 5rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(248, 248, 250, 0.9));
  pointer-events: none;
}

.conversation-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.9rem;
}

.conversation-meta span {
  padding: 0.38rem 0.72rem;
  border-radius: 999px;
  background: #f3f4f7;
  color: #737887;
  font-size: 0.82rem;
}

.status-pill {
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(10, 132, 255, 0.08);
  color: var(--accent);
}

.chat-thread {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
  position: relative;
  z-index: 1;
}

.bubble {
  width: max-content;
  max-width: 84%;
  padding: 0.95rem 1rem;
  border-radius: 1.35rem;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
  transform: translateY(0);
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.bubble:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.06);
}

.bubble span {
  color: #7d8290;
}

.guest {
  background: #f1f2f5;
  border-top-left-radius: 0.5rem;
}

.ai {
  margin-left: auto;
  background: #111318;
  color: #ffffff;
  border-top-right-radius: 0.5rem;
}

.agent-bubble {
  min-width: min(100%, 22rem);
  background: linear-gradient(180deg, #16181d, #0d0f13);
}

.agent-head,
.agent-actions,
.agent-ribbon {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.agent-head {
  margin-bottom: 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.agent-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: #5ff0c3;
  box-shadow: 0 0 0.7rem rgba(95, 240, 195, 0.55);
  animation: pulse 2.2s ease-in-out infinite;
}

.agent-actions {
  margin-top: 0.7rem;
}

.agent-actions span,
.agent-ribbon span {
  padding: 0.34rem 0.62rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.75rem;
}

.typing-row {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: max-content;
  padding: 0.8rem 0.9rem;
  border-radius: 999px;
  background: rgba(241, 242, 245, 0.95);
}

.typing-row span {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: #8a90a0;
  animation: typing 1.2s infinite ease-in-out;
}

.typing-row span:nth-child(2) {
  animation-delay: 0.15s;
}

.typing-row span:nth-child(3) {
  animation-delay: 0.3s;
}

.ai span,
.ai p {
  color: rgba(255, 255, 255, 0.84);
}

.compact {
  max-width: fit-content;
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1rem;
}

.detail-card {
  padding: 1rem;
  border-radius: 1.35rem;
  background: var(--surface-soft);
}

.detail-card.highlight {
  background: linear-gradient(180deg, rgba(10, 132, 255, 0.09), rgba(255, 255, 255, 0.92));
}

.agent-ribbon {
  gap: 0.65rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(16, 24, 40, 0.06);
}

.agent-ribbon span {
  padding: 0.42rem 0.78rem;
  border-radius: 999px;
  background: rgba(16, 24, 40, 0.04);
  color: #69707f;
  font-size: 0.8rem;
}

.statement {
  padding: 2rem 2.2rem;
  border-radius: 1.8rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.72);
}

.statement p {
  max-width: 48rem;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
}

.section-heading {
  max-width: 44rem;
  margin-bottom: 1.8rem;
}

.section-heading.narrow {
  max-width: 38rem;
}

.section-heading h2,
.pricing-panel h2 {
  font-size: clamp(2.5rem, 4vw, 4.4rem);
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.split-list article,
.metric-grid article,
.pricing-box,
.faq-card {
  padding: 1.35rem;
  border-radius: 1.6rem;
}

.feature-card,
.split-list article,
.faq-card {
  background: rgba(255, 255, 255, 0.72);
}

.feature-card small,
.detail-card small {
  display: block;
  margin-bottom: 0.45rem;
}

.feature-card h3,
.faq-card h3 {
  line-height: 1.24;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1.2rem;
  align-items: start;
}

.split-copy p,
.pricing-panel p {
  line-height: 1.78;
}

.split-list {
  display: grid;
  gap: 1rem;
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-grid article {
  background: var(--surface-strong);
}

.metric-grid strong {
  display: block;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.metric-grid p {
  margin: 0.5rem 0 0;
  line-height: 1.7;
}

.pricing-panel {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.76);
}

.pricing-panel > div:first-child {
  max-width: 42rem;
}

.pricing-box {
  width: min(100%, 23rem);
  background: var(--surface-strong);
}

.pricing-box .primary-button {
  margin-top: 1rem;
}

.full-width {
  width: 100%;
}

.faq-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.site-footer {
  padding: 2rem 0 1rem;
  font-size: 0.95rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 900ms cubic-bezier(0.22, 1, 0.36, 1), transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.delay-1 {
  transition-delay: 100ms;
}

.reveal.delay-2 {
  transition-delay: 180ms;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.header-cta:hover,
.primary-button:hover,
.secondary-button:hover,
.lang-button:hover {
  transform: translateY(-1px);
}

.secondary-button:hover {
  background: rgba(255, 255, 255, 0.9);
}

@keyframes typing {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }

  40% {
    transform: translateY(-0.18rem);
    opacity: 1;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.85;
  }

  50% {
    transform: scale(1.14);
    opacity: 1;
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }

  50% {
    transform: translate3d(0, -10px, 0);
  }
}

@media (max-width: 1080px) {
  .site-header,
  .pricing-panel,
  .site-footer,
  .split-section {
    flex-direction: column;
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .overview-strip,
  .feature-grid,
  .metric-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

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

  .pricing-box {
    width: 100%;
  }

  .device-stage {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 1rem, 100%);
  }

  .site-header {
    position: static;
    border-radius: 1.5rem;
  }

  .header-controls,
  .site-nav,
  .hero-actions,
  .hero-notes {
    width: 100%;
  }

  .header-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .language-toggle {
    justify-content: center;
  }

  .site-nav {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 4rem;
  }

  .hero h1 {
    font-size: 3.5rem;
  }

  .primary-button,
  .secondary-button,
  .header-cta {
    width: 100%;
  }

  .device-card {
    border-radius: 2rem;
  }
}