:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #667085;
  --line: #d9e0ea;
  --paper: #f6f7fb;
  --surface: #ffffff;
  --soft: #eef2f8;
  --navy: #172033;
  --blue: #315cff;
  --blue-dark: #2447d8;
  --aqua: #00a6a6;
  --lime: #b9e769;
  --rose: #ff6f61;
  --shadow: 0 24px 70px rgba(23, 32, 51, 0.16);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  margin: 0;
  min-width: 320px;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(49, 92, 255, 0.34);
  outline-offset: 4px;
}

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(217, 224, 234, 0.72);
  display: flex;
  justify-content: space-between;
  left: 0;
  min-height: 72px;
  padding: 15px clamp(20px, 4vw, 56px);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 10;
}

.site-header.compact {
  position: sticky;
}

.brand {
  align-items: center;
  display: inline-flex;
  height: 40px;
}

.brand img {
  display: block;
  height: 38px;
  object-fit: contain;
  width: auto;
}

nav {
  align-items: center;
  display: flex;
  gap: clamp(14px, 2vw, 28px);
  font-size: 0.94rem;
  font-weight: 690;
}

nav a {
  color: rgba(23, 32, 51, 0.72);
}

nav a:hover {
  color: var(--ink);
}

.hero {
  min-height: 92vh;
  overflow: hidden;
  position: relative;
}

.hero picture,
.hero img {
  display: block;
  height: 100%;
  inset: 0;
  position: absolute;
  width: 100%;
}

.hero img {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(246, 247, 251, 0.98) 0%, rgba(246, 247, 251, 0.9) 34%, rgba(246, 247, 251, 0.34) 66%, rgba(246, 247, 251, 0.08) 100%),
    linear-gradient(0deg, rgba(23, 32, 51, 0.08), rgba(23, 32, 51, 0.08));
  inset: 0;
  position: absolute;
}

.hero-content {
  color: var(--ink);
  max-width: 760px;
  padding: 21vh clamp(20px, 6vw, 78px) 13vh;
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker {
  color: var(--blue);
  font-size: 0.77rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  margin: 0 0 16px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(3rem, 7.4vw, 6.6rem);
  letter-spacing: 0;
  line-height: 0.94;
  margin-bottom: 26px;
  max-width: 790px;
}

.hero-copy {
  color: rgba(23, 32, 51, 0.76);
  font-size: clamp(1.08rem, 1.8vw, 1.34rem);
  line-height: 1.58;
  margin-bottom: 30px;
  max-width: 620px;
}

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

.messenger-note {
  color: rgba(23, 32, 51, 0.58);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 16px 0 0;
}

.button {
  align-items: center;
  border: 1px solid rgba(23, 32, 51, 0.16);
  border-radius: 8px;
  display: inline-flex;
  font-weight: 760;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-0.5px);
}

.button.primary {
  background: var(--navy);
  border-color: var(--navy);
  color: white;
}

.button.primary:hover {
  background: #263149;
  border-color: #263149;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.48);
  border-color: rgba(23, 32, 51, 0.18);
  color: var(--ink);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.84);
  border-color: rgba(23, 32, 51, 0.32);
}

.intro,
.feature-band,
.preview,
.trust,
.cta {
  margin: 0 auto;
  max-width: 1160px;
  padding: clamp(42px, 5.8vw, 76px) clamp(20px, 4vw, 48px);
  scroll-margin-top: 96px;
}

.intro {
  display: grid;
  gap: clamp(24px, 4vw, 58px);
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
}

.intro h2,
.preview h2,
.trust h2,
.cta h2 {
  font-size: clamp(2rem, 4vw, 4.1rem);
  letter-spacing: 0;
  line-height: 1.04;
  margin-bottom: 0;
}

.intro > p,
.preview-copy p,
.trust-copy p {
  color: var(--muted);
  font-size: 1.13rem;
  line-height: 1.72;
}

.feature-band {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  max-width: 1240px;
}

.feature-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.72)),
    radial-gradient(circle at 88% 14%, rgba(0, 166, 166, 0.1), transparent 12rem);
  border: 1px solid rgba(23, 32, 51, 0.1);
  border-radius: 8px;
  box-shadow: 0 18px 46px rgba(23, 32, 51, 0.08);
  display: flex;
  flex-direction: column;
  grid-column: span 4;
  min-height: 282px;
  overflow: hidden;
  padding: 26px;
  position: relative;
}

.feature-primary {
  background:
    radial-gradient(circle at 82% 20%, rgba(0, 166, 166, 0.42), transparent 12rem),
    radial-gradient(circle at 18% 100%, rgba(185, 231, 105, 0.24), transparent 14rem),
    var(--navy);
  box-shadow: 0 24px 70px rgba(23, 32, 51, 0.2);
  color: white;
  grid-column: span 5;
  grid-row: span 2;
  min-height: 506px;
  padding: 32px;
}

.feature-card:nth-child(2) {
  grid-column: span 7;
}

.feature-card:nth-child(3) {
  grid-column: span 3;
}

.feature-card:nth-child(4) {
  grid-column: span 4;
}

.feature-card-dark {
  background:
    radial-gradient(circle at 86% 18%, rgba(0, 166, 166, 0.24), transparent 10rem),
    linear-gradient(145deg, #151d2d, #0d1422);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 22px 56px rgba(23, 32, 51, 0.22);
  color: white;
}

.feature-card::after {
  color: rgba(23, 32, 51, 0.05);
  content: attr(data-feature);
  font-size: 5.8rem;
  font-weight: 860;
  line-height: 1;
  position: absolute;
  right: 20px;
  top: 18px;
}

.feature-primary::after {
  color: rgba(255, 255, 255, 0.08);
  font-size: 12rem;
  right: 24px;
  top: 24px;
}

.feature-card-dark::after {
  color: rgba(255, 255, 255, 0.08);
}

.feature-index {
  align-items: center;
  align-self: flex-start;
  background: rgba(238, 242, 248, 0.84);
  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: 999px;
  color: rgba(23, 32, 51, 0.62);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 850;
  justify-content: center;
  margin: 0 0 auto;
  min-height: 32px;
  min-width: 48px;
  padding: 6px 12px;
  position: relative;
  z-index: 1;
}

.feature-primary .feature-index {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.78);
}

.feature-card-dark .feature-index {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.76);
}

.feature-card h3 {
  font-size: 1.42rem;
  line-height: 1.2;
  margin-bottom: 12px;
  margin-top: 48px;
  position: relative;
  z-index: 1;
}

.feature-primary h3 {
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  line-height: 1;
  margin-top: auto;
  max-width: 520px;
}

.feature-card p {
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0;
  position: relative;
  z-index: 1;
}

.feature-card:not(.feature-primary) p {
  max-width: 520px;
}

.feature-card-dark p {
  color: rgba(255, 255, 255, 0.7);
}

.feature-primary p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.08rem;
  max-width: 520px;
}

.feature-visual {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05)),
    rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
  display: grid;
  gap: 12px;
  margin-top: 36px;
  max-width: 520px;
  overflow: hidden;
  padding: 20px 18px 18px;
  position: relative;
  z-index: 1;
}

.feature-visual::before {
  background:
    radial-gradient(circle, rgba(185, 231, 105, 0.9) 0 2px, transparent 3px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.64), rgba(255, 255, 255, 0.28));
  border-radius: 999px;
  content: "";
  height: 8px;
  left: 18px;
  position: absolute;
  right: 18px;
  top: 18px;
}

.feature-visual span {
  align-items: center;
  display: grid;
  gap: 5px 12px;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  min-height: 42px;
}

.feature-visual span::before,
.feature-visual span::after {
  content: "";
  display: block;
}

.feature-visual span::before {
  background:
    linear-gradient(135deg, rgba(185, 231, 105, 0.95), rgba(0, 166, 166, 0.95));
  border: 2px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.16);
  height: 18px;
  justify-self: center;
  width: 18px;
}

.feature-visual b,
.feature-visual small {
  line-height: 1;
  position: relative;
  z-index: 1;
}

.feature-visual b {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  font-weight: 820;
  grid-column: 2;
  letter-spacing: 0;
}

.feature-visual small {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  font-weight: 780;
  grid-column: 3;
  justify-self: end;
}

.feature-visual span::after {
  background:
    linear-gradient(90deg, var(--aqua), var(--lime) var(--progress), rgba(255, 255, 255, 0.16) var(--progress));
  border-radius: 999px;
  grid-column: 2 / 4;
  height: 8px;
}

.feature-visual span:nth-child(1) {
  --progress: 74%;
  margin-top: 16px;
}

.feature-visual span:nth-child(2) {
  --progress: 58%;
}

.feature-visual span:nth-child(3) {
  --progress: 86%;
}

.feature-visual-light {
  background: rgba(246, 247, 251, 0.92);
  border-color: rgba(23, 32, 51, 0.09);
  box-shadow: none;
  margin-top: 24px;
  max-width: none;
  padding: 18px;
}

.feature-visual-light::before {
  background:
    radial-gradient(circle, rgba(0, 166, 166, 0.95) 0 2px, transparent 3px),
    linear-gradient(90deg, rgba(23, 32, 51, 0.34), rgba(23, 32, 51, 0.08));
  left: 18px;
  right: 18px;
}

.feature-visual-light span {
  min-height: 38px;
}

.feature-visual-light span:nth-child(1) {
  --progress: 72%;
}

.feature-visual-light span:nth-child(2) {
  --progress: 48%;
}

.feature-visual-light span::before {
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 18px rgba(23, 32, 51, 0.1);
}

.feature-visual-light span::after {
  background:
    linear-gradient(90deg, var(--aqua), var(--lime) var(--progress), rgba(23, 32, 51, 0.1) var(--progress));
}

.feature-visual-light b {
  color: var(--ink);
}

.feature-visual-light small {
  color: rgba(23, 32, 51, 0.52);
}

.feature-toast,
.feature-agenda {
  margin-top: auto;
  position: relative;
  z-index: 1;
}

.feature-toast {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 5px;
  padding: 16px;
}

.feature-toast::before {
  background: linear-gradient(135deg, var(--lime), var(--aqua));
  border-radius: 50%;
  content: "";
  height: 12px;
  position: absolute;
  right: 16px;
  top: 18px;
  width: 12px;
}

.feature-toast strong,
.feature-toast span {
  display: block;
  padding-right: 24px;
}

.feature-toast strong {
  color: white;
  font-size: 0.98rem;
}

.feature-toast span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.84rem;
  font-weight: 720;
}

.feature-agenda {
  display: grid;
  gap: 10px;
}

.feature-agenda span {
  align-items: center;
  background: rgba(246, 247, 251, 0.9);
  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: 8px;
  display: grid;
  gap: 2px 12px;
  grid-template-columns: auto minmax(0, 1fr);
  padding: 13px 14px;
}

.feature-agenda span::before {
  background: linear-gradient(135deg, var(--aqua), var(--blue));
  border-radius: 999px;
  content: "";
  grid-row: 1 / 3;
  height: 28px;
  width: 4px;
}

.feature-agenda b,
.feature-agenda small {
  line-height: 1.2;
}

.feature-agenda b {
  color: var(--ink);
  font-size: 0.9rem;
}

.feature-agenda small {
  color: rgba(23, 32, 51, 0.58);
  font-size: 0.82rem;
  font-weight: 760;
}

.preview {
  align-items: center;
  display: grid;
  gap: clamp(28px, 4.5vw, 64px);
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
}

.screenshot-stack {
  display: grid;
  gap: 18px;
}

.screenshot-card {
  background:
    linear-gradient(180deg, #ffffff 0%, #f3f7fb 100%);
  border: 8px solid #101827;
  border-radius: 26px;
  box-shadow: var(--shadow);
  margin: 0;
  overflow: hidden;
}

.screenshot-card.featured {
  transform: translateX(-28px);
}

.chat-shot {
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.chat-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(217, 224, 234, 0.9);
  display: flex;
  gap: 12px;
  padding: 16px;
}

.chat-avatar {
  align-items: center;
  background: #111827;
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  box-shadow: 0 6px 16px rgba(23, 32, 51, 0.18);
  display: inline-flex;
  height: 38px;
  justify-content: center;
  overflow: hidden;
  width: 38px;
}

.chat-avatar img {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.chat-header strong,
.chat-header small {
  display: block;
  line-height: 1.2;
}

.chat-header strong {
  color: var(--ink);
  font-size: 0.98rem;
}

.chat-header small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 720;
  margin-top: 3px;
}

.chat-body {
  background:
    radial-gradient(circle at 90% 10%, rgba(0, 166, 166, 0.13), transparent 11rem),
    radial-gradient(circle at 8% 92%, rgba(185, 231, 105, 0.16), transparent 10rem),
    #eef4f8;
  display: grid;
  gap: 10px;
  padding: 18px 16px 16px;
}

.chat-bubble {
  border-radius: 18px;
  box-shadow: 0 10px 26px rgba(23, 32, 51, 0.08);
  font-size: 0.94rem;
  line-height: 1.45;
  margin: 0;
  max-width: 86%;
  padding: 12px 14px;
}

.chat-bubble.user {
  background: #ffffff;
  border-bottom-left-radius: 6px;
  color: var(--ink);
}

.chat-bubble.buddy {
  background: linear-gradient(135deg, var(--navy), #243248);
  border-bottom-right-radius: 6px;
  color: rgba(255, 255, 255, 0.9);
  justify-self: end;
}

.chat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 2px;
}

.chat-chips span {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: 999px;
  color: rgba(23, 32, 51, 0.68);
  font-size: 0.78rem;
  font-weight: 820;
  padding: 7px 10px;
}

.chat-progress {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: 8px;
  margin-top: 4px;
  padding: 12px;
}

.chat-progress span {
  align-items: center;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.chat-progress span::after {
  background:
    linear-gradient(90deg, var(--aqua), var(--lime) 72%, rgba(23, 32, 51, 0.1) 72%);
  border-radius: 999px;
  content: "";
  grid-column: 1 / 3;
  height: 8px;
}

.chat-progress b {
  color: var(--ink);
  font-size: 0.86rem;
}

.chat-progress small {
  color: rgba(23, 32, 51, 0.55);
  font-size: 0.78rem;
  font-weight: 820;
}

.screenshot-card figcaption {
  background: #101827;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.88rem;
  font-weight: 720;
  padding: 11px 16px 13px;
}

.trust {
  align-items: start;
  display: grid;
  gap: clamp(28px, 4.5vw, 64px);
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
}

.trust-panel {
  background: var(--navy);
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: white;
  display: grid;
  gap: 1px;
  overflow: hidden;
}

.trust-panel div {
  background: rgba(255, 255, 255, 0.06);
  padding: 28px;
}

.trust-panel strong,
.trust-panel span {
  display: block;
}

.trust-panel strong {
  font-size: 1rem;
  margin-bottom: 8px;
}

.trust-panel span {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.55;
}

.cta {
  border-top: 1px solid var(--line);
  text-align: center;
}

.cta h2 {
  margin: 0 auto 28px;
  max-width: 780px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 18px 26px;
  justify-content: center;
  padding: 28px 20px;
}

.site-footer span {
  color: var(--ink);
  font-weight: 780;
}

.legal-page {
  background:
    radial-gradient(circle at 78% 0%, rgba(49, 92, 255, 0.09), transparent 34rem),
    var(--paper);
}

.legal {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 48px auto 80px;
  max-width: 820px;
  padding: clamp(30px, 6vw, 64px);
}

.legal h1 {
  color: var(--ink);
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  margin-bottom: 10px;
}

.legal h2 {
  font-size: 1.24rem;
  margin: 34px 0 10px;
}

.legal p {
  color: var(--muted);
  line-height: 1.75;
}

.legal a {
  color: var(--blue);
  font-weight: 760;
}

.updated {
  color: var(--muted);
}

code {
  background: var(--soft);
  border-radius: 5px;
  color: var(--navy);
  font-size: 0.92em;
  padding: 0.12em 0.36em;
}

@media (max-width: 960px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    min-height: 92px;
  }

  nav {
    max-width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero-content {
    padding-top: 24vh;
  }

  .intro,
  .preview,
  .trust {
    grid-template-columns: 1fr;
  }

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

  .feature-card,
  .feature-card:nth-child(2),
  .feature-card:nth-child(3),
  .feature-card:nth-child(4),
  .feature-primary {
    grid-column: auto;
    grid-row: auto;
    min-height: 0;
    transform: none;
  }
}

@media (max-width: 620px) {
  .site-header {
    position: absolute;
  }

  .brand {
    height: 36px;
  }

  .brand img {
    height: 34px;
  }

  nav {
    font-size: 0.88rem;
    gap: 14px;
  }

  .hero {
    min-height: 820px;
  }

  .hero img {
    object-position: 61% center;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(246, 247, 251, 0.98) 0%, rgba(246, 247, 251, 0.94) 48%, rgba(246, 247, 251, 0.42) 100%),
      linear-gradient(90deg, rgba(246, 247, 251, 0.72), rgba(246, 247, 251, 0.1));
  }

  .hero-content {
    padding-top: 185px;
  }

  h1 {
    font-size: clamp(2.9rem, 14vw, 4.4rem);
  }

  .button {
    width: 100%;
  }

  .feature-band {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-primary {
    min-height: 0;
  }

  .feature-card h3,
  .feature-primary h3 {
    margin-top: 46px;
  }

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

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}
