:root {
  --ink: #172033;
  --muted: #6b7280;
  --line: #e8edf5;
  --paper: #ffffff;
  --wash: #f3f6fb;
  --cream: #fff7ed;
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --primary-soft: #eef6ff;
  --violet: #7c3aed;
  --cyan: #06b6d4;
  --orange: #f97316;
  --orange-strong: #ea580c;
  --deep: #111a31;
  --blue-deep: #252b5d;
  --violet-deep: #582b83;
  --shadow: 0 24px 70px rgba(37, 43, 93, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Arial, Helvetica, sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.96) 0%, rgba(247, 245, 255, 0.96) 52%, rgba(238, 250, 255, 0.96) 100%);
  border-bottom: 1px solid rgba(232, 237, 245, 0.86);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: clamp(132px, 13vw, 168px);
  height: 42px;
  min-width: 0;
  color: #111827;
  font-size: 19px;
  white-space: nowrap;
}

.brand:hover {
  color: #111827;
}

.brand img {
  width: auto;
  max-width: 100%;
  height: 42px;
  display: block;
  object-fit: contain;
}

.nav {
  justify-self: center;
  display: flex;
  gap: clamp(14px, 2vw, 28px);
  color: #3f4a5c;
  font-size: 14px;
  font-weight: 700;
}

.nav a,
.nav-cta {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.nav a:hover {
  color: var(--primary-strong);
}

.nav-cta,
.button {
  border-radius: 8px;
  font-weight: 800;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-cta {
  padding: 0 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--primary) 60%, var(--cyan));
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.2);
}

.hero {
  position: relative;
  min-height: calc(100vh - 42px);
  padding: clamp(116px, 15vh, 170px) clamp(20px, 6vw, 84px) 82px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--deep);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 28%;
  filter: saturate(1.03);
}

.hero-overlay {
  background:
    radial-gradient(circle at 82% 22%, rgba(34, 211, 238, 0.28), transparent 25%),
    linear-gradient(90deg, rgba(17, 26, 49, 0.94) 0%, rgba(37, 43, 93, 0.78) 39%, rgba(88, 43, 131, 0.28) 73%, rgba(6, 182, 212, 0.12) 100%),
    linear-gradient(0deg, rgba(17, 26, 49, 0.78) 0%, rgba(17, 26, 49, 0) 34%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(720px, 100%);
  min-width: 0;
  max-width: 720px;
  color: #fff;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 12px;
  line-height: 1.2;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero h1 {
  margin: 0;
  width: 100%;
  max-width: 680px;
  color: #fff;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 0.96;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.hero-copy {
  max-width: 590px;
  margin: 24px 0 0;
  color: #dce5f5;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
}

.microcopy {
  max-width: 560px;
  margin: 16px 0 0;
  color: #dce5f5;
  font-size: 14px;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  padding: 0 22px;
  border: 1px solid transparent;
  font-size: 15px;
  text-align: center;
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--primary) 60%, var(--cyan));
  box-shadow: 0 12px 34px rgba(37, 99, 235, 0.28);
}

.button.primary:hover,
.nav-cta:hover {
  background: linear-gradient(135deg, #5b21b6, var(--primary-strong) 60%, #0891b2);
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.08);
}

.hero-proof {
  position: absolute;
  z-index: 3;
  left: clamp(20px, 6vw, 84px);
  right: clamp(20px, 6vw, 84px);
  bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-proof span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  color: #fff;
  background: rgba(17, 26, 49, 0.62);
  font-size: 13px;
  font-weight: 800;
}

.band {
  padding: clamp(58px, 8vw, 104px) clamp(20px, 6vw, 84px);
}

.section-head {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-head.compact {
  max-width: 680px;
}

.section-head h2,
.assisted h2,
.founder h2,
.closing h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-head p:not(.eyebrow),
.assisted-copy p,
.founder p,
.closing p:not(.eyebrow) {
  color: var(--muted);
}

.section-head p:not(.eyebrow) {
  max-width: 760px;
  margin: 18px 0 0;
  font-size: 18px;
  line-height: 1.6;
}

.problem {
  background: var(--wash);
}

.solution,
.audience {
  background: #fff;
}

.problem-grid,
.specialist-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.problem-grid article,
.specialist-grid article {
  min-width: 0;
  min-height: 168px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.problem-grid h3,
.specialist-grid h3,
.flow-list h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.2;
}

.problem-grid p,
.specialist-grid p,
.flow-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.flow {
  background: #f9fbfc;
}

.flow-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
}

.flow-list li {
  min-width: 0;
  min-height: 228px;
  padding: 24px;
  border-top: 4px solid var(--orange);
  background: var(--cream);
}

.note {
  max-width: 780px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.flow-list span {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  border-radius: 50%;
  color: #fff;
  background: var(--deep);
  font-weight: 900;
}

.specialists {
  background: #fff;
}

.specialist-grid article:nth-child(2n) {
  border-top-color: var(--orange);
}

.specialist-grid article:nth-child(3n) {
  border-top: 4px solid var(--cyan);
}

.founder {
  display: grid;
  grid-template-columns: minmax(280px, 0.48fr) minmax(0, 0.82fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  background: var(--wash);
}

.founder-media {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: #fff;
}

.founder-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 20%;
}

.founder p {
  max-width: 720px;
  font-size: 18px;
  line-height: 1.62;
}

.caption {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 13px;
  margin-top: 8px;
  border-radius: 999px;
  color: #9a3412;
  background: var(--cream);
  font-size: 13px;
  font-weight: 900;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 1040px;
}

.audience-grid > div {
  min-width: 0;
  padding: 26px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.audience-grid h3 {
  margin: 0 0 16px;
  font-size: 22px;
}

.audience-grid ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.75;
}

.assisted {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 0.62fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  color: #fff;
  background: linear-gradient(128deg, var(--deep) 0%, var(--blue-deep) 52%, var(--violet-deep) 100%);
}

.pricing {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 10%, rgba(124, 58, 237, 0.17), transparent 30%),
    radial-gradient(circle at 88% 90%, rgba(6, 182, 212, 0.16), transparent 34%),
    linear-gradient(145deg, #090f24 0%, #111a31 52%, #172554 100%);
}

.pricing::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
}

.pricing > * {
  position: relative;
  z-index: 1;
}

.pricing-head {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.pricing-head h2,
.pricing-head p:not(.eyebrow) {
  color: #fff;
}

.pricing-head p:not(.eyebrow) {
  margin-left: auto;
  margin-right: auto;
  color: #cbd5e1;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
  max-width: 920px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  overflow: hidden;
  min-width: 0;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.34);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.pricing-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.42);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  transform: translateY(-8px);
  box-shadow: 0 32px 90px rgba(37, 99, 235, 0.3);
}

.pricing-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.pricing-copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
}

.pricing-copy h3,
.pricing-copy p,
.pricing-copy strong {
  margin: 0;
}

.pricing-copy h3 {
  font-size: 25px;
}

.pricing-copy p {
  min-height: 52px;
  color: var(--muted);
  line-height: 1.55;
}

.pricing-copy strong {
  color: var(--deep);
  font-size: 30px;
}

.pricing-copy strong span {
  color: var(--muted);
  font-size: 14px;
}

.pricing-copy .button {
  width: 100%;
  margin-top: 4px;
}

.pricing-badge {
  position: absolute;
  z-index: 2;
  top: 14px;
  right: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #fff;
  background: var(--orange-strong);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pricing-assurance {
  max-width: 920px;
  margin: 28px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.pricing-assurance span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 800;
}

.pricing .note {
  margin-left: auto;
  margin-right: auto;
  color: #cbd5e1;
  text-align: center;
}

.assisted h2,
.assisted-copy p {
  color: #fff;
}

.assisted-copy p:not(.eyebrow) {
  max-width: 660px;
  color: #dce5f5;
  font-size: 18px;
  line-height: 1.6;
}

.checks {
  display: grid;
  gap: 12px;
}

.checks p {
  margin: 0;
  padding: 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.checks strong,
.checks span {
  display: block;
}

.checks span {
  margin-top: 5px;
  color: #dce5f5;
  line-height: 1.45;
}

.demo {
  background: #fff;
}

.demo-panel {
  max-width: 980px;
  display: grid;
  gap: 12px;
  padding: clamp(18px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--wash);
  box-shadow: var(--shadow);
}

.demo-steps strong {
  display: inline-block;
  margin-bottom: 4px;
}

.chat-line {
  min-width: 0;
  width: min(760px, 100%);
  padding: 16px 18px;
  border-radius: 8px;
  line-height: 1.5;
}

.chat-line.customer {
  color: #fff;
  background: var(--deep);
}

.chat-line.system {
  justify-self: end;
  color: #9a3412;
  background: var(--cream);
  border-left: 4px solid var(--orange);
}

.chat-line.draft {
  justify-self: end;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
}

.faq {
  background: var(--wash);
}

.faq-list {
  max-width: 900px;
}

details {
  border-top: 1px solid var(--line);
  background: transparent;
}

details:last-child {
  border-bottom: 1px solid var(--line);
}

summary {
  cursor: pointer;
  padding: 22px 0;
  font-size: 18px;
  font-weight: 900;
}

details p {
  max-width: 720px;
  margin: -8px 0 22px;
  color: var(--muted);
  line-height: 1.6;
}

.closing {
  padding: clamp(58px, 8vw, 104px) clamp(20px, 6vw, 84px);
  color: #fff;
  background: var(--deep);
}

.closing h2 {
  max-width: 840px;
  color: #fff;
}

.closing .button {
  margin-top: 28px;
}

.closing .hero-actions .button {
  margin-top: 0;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 24px clamp(20px, 6vw, 84px);
  color: #3f4a5c;
  background: #fff;
  border-top: 1px solid var(--line);
}

.footer strong {
  color: var(--ink);
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  font-weight: 800;
}

.footer a:hover {
  color: var(--primary-strong);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .hero-overlay {
    background:
      radial-gradient(circle at 82% 22%, rgba(34, 211, 238, 0.24), transparent 25%),
      linear-gradient(90deg, rgba(17, 26, 49, 0.94) 0%, rgba(37, 43, 93, 0.74) 58%, rgba(88, 43, 131, 0.36) 100%),
      linear-gradient(0deg, rgba(17, 26, 49, 0.82) 0%, rgba(17, 26, 49, 0) 38%);
  }

  .flow-list,
  .problem-grid,
  .specialist-grid,
  .pricing-grid,
  .founder,
  .audience-grid,
  .assisted {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    gap: 12px;
    padding: 10px 14px;
  }

  .brand {
    width: 132px;
    height: 36px;
  }

  .brand img {
    height: 36px;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    min-height: 92vh;
    padding: 104px 18px 112px;
  }

  .hero-content,
  .hero h1,
  .hero-copy,
  .hero-actions {
    width: min(100%, 330px);
    max-width: 330px;
  }

  .hero-media img {
    object-position: 64% 30%;
  }

  .hero h1 {
    font-size: 30px;
    line-height: 1.06;
  }

  .hero-copy {
    font-size: 16px;
    line-height: 1.48;
  }

  .button {
    width: 100%;
  }

  .hero-proof {
    left: 18px;
    right: 18px;
    bottom: 14px;
  }

  .hero-proof span {
    font-size: 12px;
  }

  .problem-grid,
  .flow-list,
  .specialist-grid,
  .pricing-grid,
  .founder,
  .audience-grid,
  .assisted {
    grid-template-columns: 1fr;
  }

  .founder-media {
    max-width: 280px;
  }

  .problem-grid article,
  .specialist-grid article,
  .flow-list li {
    min-height: auto;
  }

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

  .band,
  .closing {
    padding-left: 18px;
    padding-right: 18px;
  }
}
