@font-face {
  font-family: "Inter";
  src: local("Inter");
  font-display: swap;
}

:root {
  --navy: #0B1220;
  --navy-2: #111827;
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --violet: #7C3AED;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --text: #334155;
  --muted: #64748B;
  --line: #E2E8F0;
  --soft-blue: #EFF6FF;
  --shadow: 0 24px 70px rgba(15, 23, 42, .12);
  --shadow-soft: 0 12px 36px rgba(15, 23, 42, .08);
  --radius: 24px;
  --radius-sm: 16px;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--navy);
  color: var(--white);
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 1000;
}

.skip-link:focus {
  left: 8px;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(226, 232, 240, .8);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--white);
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 12px 30px rgba(37, 99, 235, .24);
}

.brand-text {
  display: grid;
  line-height: 1.05;
}

.brand-text strong {
  color: var(--navy);
  font-size: 21px;
  letter-spacing: -.03em;
}

.brand-text strong span {
  color: var(--blue);
}

.brand-text small {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
}

.main-nav a {
  transition: color .2s ease;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.login-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 12px;
  padding: 9px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  border-radius: 999px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}

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

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 16px 34px rgba(37, 99, 235, .25);
}

.btn-primary:hover {
  box-shadow: 0 20px 46px rgba(37, 99, 235, .35);
}

.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border-color: var(--line);
  box-shadow: var(--shadow-soft);
}

.btn-small {
  min-height: 42px;
  padding: 0 16px;
  font-size: 14px;
}

.btn-light {
  background: var(--white);
  color: var(--navy);
}

.btn-outline-light {
  color: var(--white);
  border-color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.08);
}

.section {
  padding: 96px 0;
}

.section-gradient {
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, .14), transparent 32%),
    radial-gradient(circle at top right, rgba(124, 58, 237, .14), transparent 28%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.hero {
  padding: 92px 0 88px;
  overflow: hidden;
}

.hero-grid,
.split-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}

.align-center {
  align-items: center;
}

.badge,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  background: var(--soft-blue);
  border: 1px solid #DBEAFE;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 850;
  margin: 0 0 16px;
}

.eyebrow {
  background: transparent;
  border: 0;
  padding: 0;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.eyebrow.light {
  color: #BFDBFE;
}

h1,
h2,
h3 {
  color: var(--navy);
  line-height: 1.05;
  margin: 0;
  letter-spacing: -.04em;
}

h1 {
  font-size: clamp(46px, 7vw, 78px);
}

h2 {
  font-size: clamp(34px, 4.5vw, 54px);
}

h3 {
  font-size: 22px;
}

.lead,
.section-lead {
  font-size: 18px;
  color: var(--muted);
  margin: 22px 0 0;
}

.narrow {
  max-width: 760px;
}

.center {
  text-align: center;
}

.center .narrow {
  margin-left: auto;
  margin-right: auto;
}

.hero-points {
  margin: 24px 0 0;
  display: grid;
  gap: 8px;
}

.hero-points p {
  margin: 0;
  color: var(--navy);
  font-weight: 760;
  font-size: 18px;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.center-actions {
  justify-content: center;
}

.trust-row {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  color: var(--muted);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 750;
}

.hero-visual {
  position: relative;
}

.floating-card {
  animation: floatCard 5.6s ease-in-out infinite;
}

@keyframes floatCard {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.app-window,
.chat-mockup,
.source-proof,
.timeline-card,
.price-card,
.info-card,
.photo-card {
  background: var(--white);
  border: 1px solid rgba(226, 232, 240, .9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-window {
  overflow: hidden;
  min-height: 530px;
}

.window-top {
  height: 54px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  color: var(--navy);
}

.dots {
  display: flex;
  gap: 6px;
}

.dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #CBD5E1;
}

.dots span:nth-child(1) { background: #F87171; }
.dots span:nth-child(2) { background: #FBBF24; }
.dots span:nth-child(3) { background: #34D399; }

.app-layout {
  display: grid;
  grid-template-columns: 150px 1fr;
  min-height: 476px;
}

.app-sidebar {
  background: #F8FAFC;
  border-right: 1px solid var(--line);
  padding: 18px 12px;
}

.sidebar-title {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 850;
  margin-bottom: 12px;
}

.source-pill {
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  margin-bottom: 6px;
}

.source-pill.active {
  background: var(--white);
  color: var(--blue);
  box-shadow: 0 10px 20px rgba(15, 23, 42, .06);
}

.app-main {
  padding: 22px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.question-box,
.answer-card,
.source-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
}

.question-box {
  padding: 16px;
  background: linear-gradient(135deg, #EFF6FF, #F5F3FF);
}

.question-box span,
.answer-label {
  display: block;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 6px;
}

.question-box strong {
  color: var(--navy);
}

.answer-card {
  padding: 18px;
}

.answer-card p {
  margin: 0;
}

.sources-list {
  display: grid;
  gap: 10px;
}

.source-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px;
}

.source-card strong,
.source-card small {
  display: block;
}

.source-card small {
  color: var(--muted);
}

.source-card span {
  color: var(--white);
  background: var(--navy);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 850;
}

.mini-card {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  border-radius: 18px;
  padding: 14px 16px;
}

.mini-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.mini-card strong {
  display: block;
  color: var(--navy);
  font-size: 22px;
  margin-top: 2px;
}

.mini-card-one {
  left: -24px;
  bottom: 70px;
}

.mini-card-two {
  right: -16px;
  top: 92px;
}

.soft-bg {
  background: var(--bg);
}

.problem-section {
  padding-bottom: 76px;
}

.photo-card {
  overflow: hidden;
}

.photo-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.card-grid {
  display: grid;
  gap: 22px;
  margin-top: 42px;
}

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

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

.info-card {
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.info-card .icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--soft-blue);
  border-radius: 14px;
  margin-bottom: 18px;
  font-size: 22px;
}

.info-card h3 {
  margin-bottom: 10px;
}

.info-card p {
  margin: 0;
  color: var(--muted);
}

.steps {
  margin-top: 46px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.step-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-soft);
}

.step-card span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--violet));
  font-weight: 900;
  margin-bottom: 18px;
}

.step-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.process-strip {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 16px;
  box-shadow: var(--shadow-soft);
}

.process-strip span {
  color: var(--navy);
  font-weight: 850;
}

.process-strip i {
  width: 36px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--violet));
  border-radius: 999px;
}

.check-list {
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--text);
  font-weight: 650;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--blue);
  font-weight: 900;
}

.chat-mockup {
  padding: 22px;
  display: grid;
  gap: 14px;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.chat-header strong {
  color: var(--navy);
}

.chat-header span {
  color: #059669;
  font-size: 12px;
  font-weight: 900;
  background: #ECFDF5;
  border-radius: 999px;
  padding: 5px 10px;
}

.message {
  max-width: 88%;
  padding: 14px 16px;
  border-radius: 18px;
}

.user-message {
  margin-left: auto;
  color: var(--white);
  background: var(--blue);
  border-bottom-right-radius: 4px;
}

.bot-message {
  color: var(--navy);
  background: var(--bg);
  border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
}

.source-result {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: var(--white);
}

.source-result strong,
.source-result span {
  display: block;
}

.source-result span {
  color: var(--blue);
  font-weight: 900;
  margin: 6px 0;
}

.source-result p {
  color: var(--muted);
  margin: 0 0 12px;
}

.source-result button {
  border: 0;
  background: var(--navy);
  color: var(--white);
  border-radius: 999px;
  padding: 9px 13px;
  font-weight: 800;
}

.source-section {
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, .08), transparent 35%),
    #FFFFFF;
}

.source-demo-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  margin-top: 42px;
  align-items: stretch;
}

.source-proof,
.timeline-card {
  padding: 28px;
}

.proof-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 24px;
}

.proof-top strong {
  color: var(--navy);
}

.proof-top span {
  background: var(--navy);
  color: var(--white);
  border-radius: 999px;
  padding: 7px 12px;
  font-weight: 900;
}

blockquote {
  margin: 0 0 24px;
  color: var(--navy);
  font-size: 23px;
  line-height: 1.35;
  font-weight: 760;
  letter-spacing: -.02em;
}

.video-placeholder {
  height: 190px;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, .9), rgba(124, 58, 237, .9)),
    var(--navy);
  display: grid;
  place-items: center;
  color: var(--white);
  font-weight: 900;
}

.timeline {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  margin-top: 18px;
}

.timeline div {
  height: 8px;
  background: #E2E8F0;
  border-radius: 999px;
  position: relative;
}

.timeline div span {
  position: absolute;
  left: 58%;
  top: 50%;
  width: 18px;
  height: 18px;
  background: var(--blue);
  border: 3px solid var(--white);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 8px 16px rgba(37, 99, 235, .35);
}

.dark-feature {
  background:
    radial-gradient(circle at right, rgba(37, 99, 235, .24), transparent 36%),
    linear-gradient(135deg, #020617, #0B1220);
  color: #E2E8F0;
}

.dark-feature h2,
.dark-feature h3 {
  color: var(--white);
}

.dark-feature p {
  color: #CBD5E1;
}

.question-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.question-chips span {
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  color: #E0F2FE;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 800;
}

.light-chips span {
  background: var(--soft-blue);
  color: var(--blue);
  border-color: #DBEAFE;
}

.question-cloud {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.question-cloud button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--navy);
  padding: 13px 18px;
  font-weight: 850;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease;
}

.question-cloud button:hover {
  transform: translateY(-2px);
  border-color: #BFDBFE;
}

.pricing-section {
  background: var(--bg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 44px;
}

.price-card {
  position: relative;
  padding: 28px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border-color: rgba(37, 99, 235, .45);
  transform: translateY(-10px);
}

.popular {
  position: absolute;
  top: -14px;
  left: 22px;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  color: var(--white);
  font-size: 12px;
  border-radius: 999px;
  padding: 7px 12px;
  font-weight: 900;
}

.price-card p,
.price-card li {
  color: var(--muted);
}

.price-card ul {
  padding-left: 18px;
  margin: 18px 0 24px;
}

.price-card .btn {
  margin-top: auto;
}

.faq-list {
  max-width: 860px;
  margin-top: 36px;
}

details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 22px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-soft);
}

summary {
  cursor: pointer;
  color: var(--navy);
  font-weight: 900;
  font-size: 18px;
}

details p {
  color: var(--muted);
  margin-bottom: 0;
}

.final-cta {
  padding: 96px 0;
  background:
    radial-gradient(circle at top right, rgba(124, 58, 237, .34), transparent 32%),
    linear-gradient(135deg, #020617, #111827);
  color: var(--white);
  text-align: center;
}

.final-cta h2 {
  color: var(--white);
  max-width: 850px;
  margin: 0 auto;
}

.final-cta p {
  max-width: 700px;
  margin: 20px auto 0;
  color: #CBD5E1;
  font-size: 19px;
}

.final-cta small {
  display: block;
  margin-top: 28px;
  color: #94A3B8;
}

.site-footer {
  background: #020617;
  color: #CBD5E1;
  padding: 62px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 36px;
}

.footer-brand .brand-text strong {
  color: var(--white);
}

.site-footer h3 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 14px;
}

.site-footer a {
  display: block;
  color: #CBD5E1;
  margin: 8px 0;
}

.site-footer a:hover {
  color: var(--white);
}

.disclaimer {
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: #94A3B8;
  font-size: 13px;
}

@media (max-width: 1050px) {
  .main-nav,
  .header-actions {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav.is-open {
    display: grid;
    position: fixed;
    inset: 78px 20px auto 20px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    border-radius: 20px;
    padding: 22px;
    z-index: 120;
    gap: 14px;
  }

  .hero-grid,
  .split-grid,
  .source-demo-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .hero {
    padding-top: 46px;
  }

  .card-grid.three,
  .card-grid.six,
  .steps,
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .disclaimer {
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .section {
    padding: 70px 0;
  }

  .hero {
    padding-top: 34px;
  }

  .hero-window {
    min-height: auto;
  }

  .app-layout {
    grid-template-columns: 1fr;
  }

  .app-sidebar {
    display: none;
  }

  .mini-card {
    display: none;
  }

  .card-grid.three,
  .card-grid.six,
  .steps,
  .pricing-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .price-card.featured {
    transform: none;
  }

  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 34px;
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .process-strip {
    border-radius: 24px;
    flex-direction: column;
  }

  .process-strip i {
    width: 2px;
    height: 28px;
  }

  .proof-top {
    align-items: flex-start;
    flex-direction: column;
  }

  blockquote {
    font-size: 20px;
  }
}