:root {
  --page: #0A0A0A;
  --menu: #000000;
  --divider: #181818;
  --box: #171717;
  --box-border: #404040;
  --line: #222222;
  --white: #F5F5F5;
  --grey: #8D9AAE;
  --grey-2: #6A7382;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--page);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.wrap {
  width: 100%;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
}

.t-title {
  font-weight: 600;
  color: var(--white);
  font-size: 22px;
  line-height: 28px;
}

.t-label {
  font-weight: 600;
  color: var(--grey);
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.t-body {
  font-weight: 400;
  color: var(--white);
  font-size: 16px;
  line-height: 24px;
}

.t-muted {
  font-weight: 400;
  color: var(--grey);
  font-size: 16px;
  line-height: 24px;
}

nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--menu);
  border-bottom: 1px solid var(--divider);
}

.nav-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  font-weight: 600;
  font-size: 16px;
  color: var(--white);
}

.nav-links {
  display: flex;
  gap: 26px;
}

.nav-links a {
  font-weight: 600;
  font-size: 13px;
  color: var(--grey);
}

.nav-links a:hover {
  color: var(--white);
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
  }
}

.hero {
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--divider);
}

.hero-inner {
  max-width: 760px;
}

.hero h1 {
  font-weight: 600;
  color: var(--white);
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.1;
}

.hero .lead {
  margin-top: 22px;
  max-width: 60ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--white);
  color: #000000;
  font-weight: 600;
  font-size: 16px;
  line-height: 24px;
  padding: 13px 24px;
  border-radius: 10px;
  transition: transform 0.15s ease;
}

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

.btn .a {
  transition: transform 0.2s ease;
}

.btn:hover .a {
  transform: translateX(3px);
}

.hero .btn {
  margin-top: 34px;
}

.hero .note {
  display: block;
  margin-top: 14px;
  font-weight: 400;
  color: var(--grey-2);
  font-size: 13px;
  line-height: 18px;
}

section {
  padding: 76px 0;
  border-bottom: 1px solid var(--divider);
}

.sec-inner {
  max-width: 900px;
  margin: 0 auto;
}

.sec-label {
  margin-bottom: 16px;
}

.sec-h {
  font-weight: 600;
  color: var(--white);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
  max-width: 24ch;
}

.sec-lead {
  margin-top: 16px;
  max-width: 66ch;
}

.box {
  background: var(--box);
  border: 2px solid var(--box-border);
  border-radius: 16px;
  padding: 26px;
}

.problem-body {
  margin-top: 30px;
  max-width: 72ch;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.problem-body b {
  color: var(--white);
  font-weight: 600;
}

.does-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 40px;
}

@media (max-width: 820px) {
  .does-grid {
    grid-template-columns: 1fr;
  }
}

.does h3 {
  font-weight: 600;
  color: var(--white);
  font-size: 18px;
  line-height: 24px;
  margin-bottom: 10px;
}

.does p {
  font-weight: 400;
  color: var(--grey);
  font-size: 15px;
  line-height: 22px;
}

.tree {
  margin-top: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.tree .tnode {
  background: var(--box);
  border: 2px solid var(--box-border);
  border-radius: 12px;
  padding: 13px 22px;
  text-align: center;
  min-width: 240px;
}

.tree .tnode .lbl {
  font-weight: 600;
  font-size: 15px;
  color: var(--white);
  display: block;
}

.tree .tnode .sub {
  display: block;
  font-weight: 400;
  font-size: 12px;
  line-height: 16px;
  color: var(--grey);
  margin-top: 3px;
}

.tree .branch {
  width: 2px;
  height: 26px;
  background: var(--box-border);
}

.tree .tnode.core {
  border-color: var(--white);
}

.stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 46px;
}

@media (max-width: 760px) {
  .stack {
    grid-template-columns: 1fr;
  }
}

.tech .t-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.tech h3 {
  font-weight: 600;
  color: var(--white);
  font-size: 16px;
  line-height: 22px;
}

.tech .tag {
  font-weight: 600;
  font-size: 11px;
  line-height: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--grey);
}

.tech p {
  font-weight: 400;
  color: var(--grey);
  font-size: 14px;
  line-height: 21px;
}

.notes {
  margin-top: 44px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 74ch;
}

.note-item {
}

.note-title {
  font-weight: 600;
  color: var(--white);
  font-size: 18px;
  line-height: 24px;
  margin-bottom: 8px;
}

.notes p {
  font-weight: 400;
  color: var(--grey);
  font-size: 16px;
  line-height: 24px;
}

.notes p b {
  color: var(--white);
  font-weight: 600;
}

.shots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 44px;
}

@media (max-width: 820px) {
  .shots {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
  }
}

.phone {
  background: var(--box);
  border: 2px solid var(--box-border);
  border-radius: 20px;
  padding: 13px;
}

.phone .cap {
  font-weight: 600;
  font-size: 13px;
  line-height: 16px;
  color: var(--grey);
  text-align: center;
  margin-top: 13px;
}

.screen {
  background: var(--page);
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 15px;
  min-height: 330px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.bubble {
  max-width: 88%;
  padding: 9px 12px;
  border-radius: 13px;
  font-weight: 400;
  font-size: 13px;
  line-height: 19px;
}

.bubble.me {
  align-self: flex-end;
  background: var(--white);
  color: #000000;
}

.bubble.bot {
  align-self: flex-start;
  background: var(--box);
  color: var(--white);
  border: 1px solid var(--line);
}

.demo-note {
  margin-top: 30px;
  font-weight: 400;
  color: var(--grey-2);
  font-size: 14px;
  line-height: 22px;
  max-width: 60ch;
}

.try-band {
  padding: 84px 0;
  text-align: center;
  border-bottom: 1px solid var(--divider);
}

.try-band h2 {
  font-weight: 600;
  color: var(--white);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
}

.try-band .lead {
  margin: 16px auto 30px;
  max-width: 52ch;
}

.try-band .note {
  display: block;
  margin-top: 14px;
  font-weight: 400;
  color: var(--grey-2);
  font-size: 13px;
  line-height: 18px;
}

footer {
  padding: 34px 0;
}

.foot-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.foot-in .brand {
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
}

.foot-in .fn {
  font-weight: 400;
  color: var(--grey-2);
  font-size: 13px;
  line-height: 18px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 34px;
}

.hero-cta .btn {
  margin-top: 0;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  font-family: var(--font);
  font-weight: 600;
  font-size: 16px;
  color: var(--white);
  background: transparent;
  border: 2px solid var(--box-border);
  padding: 11px 22px;
  border-radius: 10px;
  transition: border-color 0.15s ease;
}

.btn-secondary:hover {
  border-color: var(--grey);
}

.preview-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.preset {
  font-family: var(--font);
  font-weight: 600;
  font-size: 14px;
  color: var(--white);
  background: var(--box);
  border: 2px solid var(--box-border);
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.preset:hover {
  border-color: var(--grey);
}

.preview-form {
  margin-top: 20px;
}

.pf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 760px) {
  .pf-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 460px) {
  .pf-grid {
    grid-template-columns: 1fr;
  }
}

.pf-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pf-field span {
  font-weight: 600;
  font-size: 12px;
  line-height: 16px;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pf-field select {
  font-family: var(--font);
  font-size: 15px;
  color: var(--white);
  background: var(--page);
  border: 2px solid var(--box-border);
  border-radius: 9px;
  padding: 10px 12px;
  cursor: pointer;
}

.pf-submit {
  margin-top: 20px;
}

.pf-note {
  margin-top: 12px;
  font-weight: 400;
  font-size: 12px;
  color: var(--grey-2);
  line-height: 16px;
}

.preview-results {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pf-loading {
  font-weight: 400;
  color: var(--grey);
  font-size: 15px;
}

.rc-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.rc-title {
  font-weight: 600;
  color: var(--white);
  font-size: 18px;
  line-height: 24px;
}

.rc-org {
  font-weight: 400;
  color: var(--grey);
  font-size: 14px;
  margin-top: 2px;
}

.rc-status {
  font-weight: 600;
  font-size: 12px;
  color: var(--white);
  background: var(--page);
  border: 2px solid var(--box-border);
  padding: 5px 11px;
  border-radius: 100px;
  white-space: nowrap;
  flex: none;
}

.rc-score {
  font-weight: 400;
  color: var(--grey-2);
  font-size: 13px;
  margin-top: 6px;
}

.rc-why-label {
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--grey);
  margin-top: 16px;
  margin-bottom: 8px;
}

.rc-why {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rc-why li {
  font-weight: 400;
  color: var(--white);
  font-size: 14px;
  line-height: 20px;
  padding-left: 16px;
  position: relative;
}

.rc-why li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--grey);
}

.rc-meta {
  margin-top: 14px;
  font-weight: 400;
  color: var(--grey);
  font-size: 13px;
}

.rc-link {
  display: inline-block;
  margin-top: 16px;
  font-weight: 600;
  font-size: 14px;
  color: var(--white);
  border-bottom: 1px solid var(--box-border);
}

.rc-link:hover {
  border-color: var(--white);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
          opacity 0.5s ease,
          transform 0.5s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn:hover {
    transform: none;
  }
}

:focus-visible {
  outline: 2.5px solid var(--white);
  outline-offset: 3px;
  border-radius: 4px;
}

.rc-src {
  margin-top: 12px;
  font-weight: 400;
  font-size: 12px;
  color: var(--grey-2);
}