:root {
  --ink-950: #0b1f2b;
  --ink-900: #102c3c;
  --ink-800: #173f52;
  --ink-700: #285467;
  --ink-600: #496979;
  --ink-500: #67808d;
  --ink-300: #b7c5cc;
  --ink-200: #d6e0e5;
  --ink-100: #e9eff2;
  --ink-50: #f5f8f9;
  --teal-700: #12685f;
  --teal-600: #157b70;
  --teal-500: #1b9184;
  --teal-100: #d7efeb;
  --teal-50: #edf8f6;
  --amber-500: #d69b43;
  --white: #ffffff;
  --bg-base: #fbfcfc;
  --bg-soft: #f3f7f7;
  --text-primary: var(--ink-950);
  --text-secondary: var(--ink-600);
  --accent-primary: var(--teal-700);
  --header-primary: var(--ink-900);
  --border-light: rgba(16, 44, 60, 0.12);
  --shadow-sm: 0 1px 2px rgba(11, 31, 43, 0.05), 0 4px 14px rgba(11, 31, 43, 0.06);
  --shadow-md: 0 18px 48px rgba(11, 31, 43, 0.12);
  --shadow-lg: 0 30px 80px rgba(5, 22, 31, 0.18);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --font-sans: "Aptos", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --shell: min(1240px, calc(100% - 48px));
  --header-height: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  min-width: 280px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

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

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

h1,
h2,
h3 {
  color: var(--text-primary);
  line-height: 1.15;
  text-wrap: balance;
}

p {
  color: var(--text-secondary);
}

[id] {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

:focus-visible {
  outline: 3px solid #50b8ac;
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 2000;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink-950);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  padding: clamp(80px, 9vw, 128px) 0;
}

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

.section-heading {
  max-width: 720px;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.section-heading-wide {
  max-width: 900px;
}

.section-heading-centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.feature-intro h2,
.demo-copy h2,
.faq-intro h2 {
  margin-bottom: 20px;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.section-heading > p:last-child,
.feature-intro > p,
.demo-copy > p,
.faq-intro > p {
  max-width: 680px;
  margin-bottom: 0;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--teal-700);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow > span {
  width: 26px;
  height: 2px;
  background: currentColor;
}

.eyebrow-light {
  color: #87d8cf;
}

/* Header and navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  border-bottom: 1px solid rgba(16, 44, 60, 0.09);
  background: rgba(251, 252, 252, 0.93);
  color: var(--ink-950);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: var(--shell);
  min-height: var(--header-height);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink-950);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1;
  text-decoration: none;
}

.site-header .brand {
  gap: 0;
  color: var(--ink-700);
  font-size: 1.365rem;
  font-weight: 650;
}

.site-header .brand-name {
  max-width: none;
  color: inherit;
  white-space: nowrap;
}

.nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a,
.nav-list button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 11px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ink-700);
  font-size: 0.91rem;
  font-weight: 650;
  text-align: center;
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.nav-list a:hover,
.nav-list a[aria-current="page"],
.nav-list button:hover {
  background: var(--teal-50);
  color: var(--teal-700);
}

.hamburger {
  display: none;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border-light);
  border-radius: 11px;
  background: var(--white);
  color: var(--ink-900);
  cursor: pointer;
  z-index: 1002;
}

.hamburger-line {
  width: 21px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform-origin: center;
  transition: transform 200ms ease, opacity 160ms ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 998;
  display: none;
  background: rgba(5, 22, 31, 0.55);
  opacity: 0;
  transition: opacity 180ms ease;
}

.overlay.active {
  display: block;
  opacity: 1;
}

/* Buttons */
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 21px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 0.97rem;
  font-weight: 750;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  box-shadow: none;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  transition: transform 180ms ease;
}

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

.button:hover svg {
  transform: translateX(3px);
}

.button-primary {
  background: var(--teal-700);
  color: var(--white);
  box-shadow: 0 12px 24px rgba(18, 104, 95, 0.22);
}

.button-primary:hover {
  background: #0e5a53;
  box-shadow: 0 16px 30px rgba(18, 104, 95, 0.28);
}

.button-light {
  background: var(--white);
  color: var(--ink-900);
  box-shadow: 0 12px 28px rgba(5, 22, 31, 0.18);
}

.button-light:hover {
  background: var(--teal-50);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 8vw, 112px) 0 clamp(82px, 10vw, 136px);
  background:
    radial-gradient(circle at 90% 12%, rgba(91, 193, 181, 0.13), transparent 29%),
    linear-gradient(180deg, #fbfcfc 0%, #f6faf9 100%);
}

.hero::before {
  content: "";
  position: absolute;
  top: 80px;
  left: -170px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(21, 123, 112, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 55px rgba(21, 123, 112, 0.025), 0 0 0 110px rgba(21, 123, 112, 0.02);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(420px, 0.96fr);
  align-items: center;
  gap: clamp(52px, 7vw, 96px);
}

.hero-copy {
  max-width: 700px;
}

.hero h1 {
  max-width: 720px;
  margin-bottom: 27px;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6vw, 5.6rem);
  font-weight: 600;
  letter-spacing: -0.052em;
  line-height: 0.98;
}

.hero-lead {
  max-width: 640px;
  margin-bottom: 32px;
  color: var(--ink-600);
  font-size: clamp(1.08rem, 1.6vw, 1.24rem);
  line-height: 1.68;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 11px 21px;
  margin: 25px 0 0;
  padding: 0;
  color: var(--ink-700);
  font-size: 0.88rem;
  font-weight: 650;
  list-style: none;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-points li > span {
  width: 19px;
  height: 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--teal-100);
  color: var(--teal-700);
  font-size: 0.72rem;
}

.assistant-preview {
  position: relative;
  width: 100%;
  max-width: 540px;
  justify-self: end;
  margin: 0;
  padding: 24px 0 34px;
}

.preview-glow {
  position: absolute;
  inset: 5% 0 0 12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(70, 183, 170, 0.27), rgba(70, 183, 170, 0) 68%);
  filter: blur(20px);
}

.assistant-window {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(16, 44, 60, 0.13);
  border-radius: 25px;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  transform: rotate(0.6deg);
}

.assistant-topbar {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--ink-100);
  background: #fcfefe;
}

.assistant-identity {
  display: flex;
  align-items: center;
  gap: 11px;
}

.assistant-identity > span:last-child {
  display: flex;
  flex-direction: column;
}

.assistant-identity strong {
  color: var(--ink-900);
  font-size: 0.94rem;
}

.assistant-identity small {
  color: var(--ink-500);
  font-size: 0.72rem;
}

.assistant-avatar {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  background: var(--ink-900);
  color: #9de0d8;
}

.assistant-avatar svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--teal-700);
  font-size: 0.72rem;
  font-weight: 700;
}

.status-dot > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #33a394;
  box-shadow: 0 0 0 4px var(--teal-100);
}

.assistant-conversation {
  min-height: 390px;
  padding: 26px 22px 22px;
  background:
    linear-gradient(rgba(246, 250, 249, 0.75), rgba(251, 253, 253, 0.94)),
    radial-gradient(circle at 1px 1px, rgba(16, 44, 60, 0.09) 1px, transparent 0);
  background-size: auto, 18px 18px;
}

.chat-row {
  display: flex;
  margin-bottom: 22px;
}

.chat-row-user {
  justify-content: flex-end;
}

.chat-row-assistant {
  align-items: flex-start;
  gap: 10px;
}

.chat-bubble {
  padding: 14px 16px;
  font-size: 0.89rem;
  line-height: 1.55;
}

.chat-bubble p {
  margin: 0;
  color: inherit;
}

.chat-bubble-user {
  max-width: 81%;
  border-radius: 17px 17px 5px 17px;
  background: var(--ink-900);
  color: var(--white);
  box-shadow: 0 9px 20px rgba(16, 44, 60, 0.16);
}

.chat-bubble-assistant {
  border: 1px solid var(--ink-100);
  border-radius: 5px 17px 17px 17px;
  background: var(--white);
  color: var(--ink-700);
  box-shadow: var(--shadow-sm);
}

.mini-avatar {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  border-radius: 10px;
  background: var(--teal-100);
  color: var(--teal-700);
  font-size: 0.65rem;
  font-weight: 900;
}

.source-label {
  display: flex;
  align-items: center;
  gap: 5px;
  margin: 12px 0 8px;
  color: var(--ink-500);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.source-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.source-chips span {
  padding: 5px 8px;
  border: 1px solid #cfe8e4;
  border-radius: 7px;
  background: var(--teal-50);
  color: var(--teal-700);
  font-size: 0.67rem;
  font-weight: 700;
}

.assistant-input {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px 12px 20px;
  border-top: 1px solid var(--ink-100);
  color: var(--ink-500);
  font-size: 0.85rem;
}

.send-icon {
  width: 39px;
  height: 39px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  background: var(--teal-700);
  color: var(--white);
}

.send-icon svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.preview-note {
  position: relative;
  width: max-content;
  max-width: calc(100% - 28px);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: -11px 0 0 -27px;
  padding: 11px 14px;
  border: 1px solid rgba(16, 44, 60, 0.1);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-md);
}

.preview-note > span:last-child {
  display: flex;
  flex-direction: column;
}

.preview-note strong {
  color: var(--ink-900);
  font-size: 0.77rem;
}

.preview-note small {
  color: var(--ink-500);
  font-size: 0.68rem;
}

.note-icon {
  width: 27px;
  height: 27px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--teal-100);
  color: var(--teal-700);
  font-weight: 900;
}

/* Three-step strip */
.signal-strip {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(16, 44, 60, 0.08);
  border-bottom: 1px solid rgba(16, 44, 60, 0.08);
  background: var(--white);
}

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

.signal-grid > div {
  display: flex;
  min-height: 122px;
  align-items: center;
  gap: 16px;
  padding: 24px clamp(20px, 3vw, 42px);
  border-right: 1px solid var(--ink-100);
}

.signal-grid > div:first-child {
  padding-left: 0;
}

.signal-grid > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.signal-number {
  color: var(--teal-500);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-style: italic;
}

.signal-grid > div > span:last-child {
  display: flex;
  flex-direction: column;
}

.signal-grid strong {
  color: var(--ink-900);
  font-size: 0.94rem;
}

.signal-grid small {
  color: var(--ink-500);
  font-size: 0.78rem;
}

/* Problem */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  counter-reset: problem;
  list-style: none;
}

.problem-grid li {
  position: relative;
  min-height: 290px;
  padding: 28px 25px;
  border: 1px solid rgba(16, 44, 60, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.problem-grid li:hover {
  border-color: rgba(21, 123, 112, 0.28);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card-icon {
  width: 47px;
  height: 47px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 42px;
  border-radius: 14px;
  background: var(--teal-50);
  color: var(--teal-700);
}

.card-icon svg,
.usecase-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.65;
}

.card-number {
  position: absolute;
  top: 28px;
  right: 24px;
  color: var(--ink-300);
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-style: italic;
}

.problem-grid h3 {
  margin-bottom: 11px;
  font-size: 1.08rem;
}

.problem-grid p {
  margin-bottom: 0;
  font-size: 0.92rem;
  line-height: 1.65;
}

/* Features */
.feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(440px, 1.1fr);
  align-items: start;
  gap: clamp(48px, 8vw, 112px);
}

.feature-intro {
  position: sticky;
  top: calc(var(--header-height) + 42px);
}

.rag-card {
  position: relative;
  margin-top: 34px;
  padding: 23px 24px;
  overflow: hidden;
  border: 1px solid rgba(21, 123, 112, 0.17);
  border-radius: var(--radius-md);
  background: var(--teal-50);
}

.rag-card::after {
  content: "";
  position: absolute;
  right: -55px;
  bottom: -55px;
  width: 135px;
  height: 135px;
  border: 1px solid rgba(21, 123, 112, 0.13);
  border-radius: 50%;
  box-shadow: 0 0 0 23px rgba(21, 123, 112, 0.04);
}

.rag-card-title {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 11px;
}

.rag-card-title > span {
  padding: 5px 8px;
  border-radius: 6px;
  background: var(--teal-700);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.09em;
}

.rag-card-title strong {
  color: var(--ink-900);
}

.rag-card p {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  font-size: 0.9rem;
  line-height: 1.65;
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 35px 1fr;
  gap: 17px;
  padding: 24px 0;
  border-bottom: 1px solid var(--ink-100);
}

.feature-list li:first-child {
  padding-top: 4px;
}

.feature-list li:last-child {
  border-bottom: 0;
}

.feature-check {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #bfe0dc;
  border-radius: 50%;
  background: var(--teal-50);
  color: var(--teal-700);
  font-size: 0.88rem;
  font-weight: 900;
}

.feature-list li > span:last-child {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feature-list strong {
  color: var(--ink-900);
  font-size: 1rem;
}

.feature-list small {
  color: var(--ink-600);
  font-size: 0.9rem;
  line-height: 1.55;
}

/* Demo */
.demo-section {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--white);
}

.demo-section h2,
.demo-section strong,
.demo-section p {
  color: inherit;
}

.demo-orb {
  position: absolute;
  border: 1px solid rgba(122, 216, 205, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.demo-orb-one {
  top: -180px;
  right: -100px;
  width: 480px;
  height: 480px;
  box-shadow: 0 0 0 80px rgba(91, 193, 181, 0.025);
}

.demo-orb-two {
  bottom: -190px;
  left: -80px;
  width: 350px;
  height: 350px;
}

.demo-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  align-items: center;
  gap: clamp(56px, 8vw, 118px);
}

.demo-copy > p:not(.eyebrow):not(.demo-disclaimer) {
  margin-bottom: 28px;
  color: #c2d2d9;
  line-height: 1.72;
}

.demo-copy .button {
  margin-bottom: 19px;
}

.demo-copy .demo-disclaimer {
  max-width: 500px;
  margin-bottom: 0;
  color: #92aab5;
  font-size: 0.77rem;
}

.question-panel {
  padding: 27px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.065);
  box-shadow: 0 25px 65px rgba(5, 22, 31, 0.3);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.question-panel-head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 20px;
}

.question-panel-head > span:last-child {
  display: flex;
  flex-direction: column;
}

.question-panel-head strong {
  font-size: 0.97rem;
}

.question-panel-head small {
  color: #9fb3bd;
  font-size: 0.76rem;
}

.question-mark {
  width: 38px;
  height: 38px;
  display: flex;
  flex: 0 0 38px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(105, 210, 198, 0.15);
  color: #87d8cf;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-style: italic;
}

.question-links {
  display: grid;
  gap: 9px;
}

.question-links a {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 17px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.055);
  color: #ecf4f5;
  font-size: 0.89rem;
  line-height: 1.45;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.question-links a:hover {
  border-color: rgba(135, 216, 207, 0.35);
  background: rgba(105, 210, 198, 0.11);
  transform: translateX(4px);
}

.question-links a > span:last-child {
  color: #87d8cf;
  font-size: 1.05rem;
}

/* Process */
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  position: relative;
  padding: 0 clamp(20px, 3vw, 34px);
  border-right: 1px solid var(--ink-100);
}

.process-list li:first-child {
  padding-left: 0;
}

.process-list li:last-child {
  padding-right: 0;
  border-right: 0;
}

.process-number {
  display: block;
  margin-bottom: 26px;
  color: var(--teal-600);
  font-family: var(--font-display);
  font-size: 2.15rem;
  font-style: italic;
  line-height: 1;
}

.process-list h3 {
  margin-bottom: 12px;
  font-size: 1.02rem;
}

.process-list p {
  margin-bottom: 0;
  font-size: 0.89rem;
  line-height: 1.65;
}

/* Use cases */
.split-heading {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: end;
  gap: 80px;
}

.split-heading h2 {
  margin-bottom: 0;
}

.split-heading > p {
  padding-bottom: 7px;
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 15px;
}

.usecase-grid article {
  grid-column: span 2;
  min-height: 240px;
  padding: 26px;
  border: 1px solid rgba(16, 44, 60, 0.1);
  border-radius: var(--radius-md);
  background: var(--white);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.usecase-grid article:nth-child(4) {
  grid-column: 2 / span 2;
}

.usecase-grid article:hover {
  border-color: rgba(21, 123, 112, 0.25);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.usecase-icon {
  width: 49px;
  height: 49px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 34px;
  border-radius: 15px;
  background: var(--ink-900);
  color: #9de0d8;
}

.usecase-grid h3 {
  margin-bottom: 10px;
  font-size: 1.02rem;
}

.usecase-grid p {
  margin-bottom: 0;
  font-size: 0.88rem;
  line-height: 1.62;
}

/* Privacy */
.privacy-section {
  padding: clamp(42px, 5vw, 68px) 0;
  border-top: 1px solid var(--ink-100);
}

.privacy-statement {
  max-width: 980px;
  margin-bottom: 0;
  color: var(--ink-900);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.018em;
  line-height: 1.45;
}

/* FAQ */
.faq-section {
  background: #f8fafb;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(500px, 1.28fr);
  align-items: start;
  gap: clamp(55px, 9vw, 125px);
}

.faq-intro {
  position: sticky;
  top: calc(var(--header-height) + 42px);
}

.faq-list {
  border-top: 1px solid var(--ink-200);
}

.faq-list details {
  border-bottom: 1px solid var(--ink-200);
}

.faq-list summary {
  position: relative;
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 19px 4px;
  color: var(--ink-900);
  font-size: 1rem;
  font-weight: 750;
  line-height: 1.4;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary > span {
  position: relative;
  width: 27px;
  height: 27px;
  flex: 0 0 27px;
  border: 1px solid var(--ink-200);
  border-radius: 50%;
}

.faq-list summary > span::before,
.faq-list summary > span::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  border-radius: 999px;
  background: var(--teal-700);
  transform: translate(-50%, -50%);
  transition: transform 180ms ease;
}

.faq-list summary > span::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-list details[open] summary > span::after {
  transform: translate(-50%, -50%) rotate(0);
}

.faq-list summary:hover {
  color: var(--teal-700);
}

.faq-list details > p {
  max-width: 680px;
  margin: -3px 50px 23px 4px;
  color: var(--ink-600);
  font-size: 0.91rem;
  line-height: 1.7;
}

/* Footer */
.page-footer {
  width: 100%;
  margin: 0;
  padding: 0;
  border-top: 0;
  background: #081922;
  color: var(--white);
  font-size: 0.88rem;
}

.footer-main,
.footer-bottom {
  width: var(--shell);
  margin-inline: auto;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  align-items: center;
  gap: 40px;
  padding: 48px 0;
}

.page-footer .brand-footer {
  gap: 0;
  color: var(--white);
  font-size: 1.245rem;
  font-weight: 650;
}

.page-footer .brand-name {
  max-width: none;
  color: var(--white);
  white-space: nowrap;
}

.footer-main > p {
  max-width: 430px;
  margin: 0;
  color: var(--white);
  text-align: center;
}

.footer-main nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 19px;
}

.footer-main nav a {
  color: var(--white);
  font-size: 0.83rem;
  font-weight: 650;
  text-decoration: none;
}

.footer-main nav a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-size: 0.73rem;
}

/* Shared content pages */
.wrap {
  position: relative;
  z-index: 1;
  width: var(--shell);
  min-height: calc(100vh - var(--header-height));
  margin: 0 auto;
  padding: clamp(64px, 8vw, 108px) 0;
}

.page-intro {
  max-width: 760px;
}

.page-intro h1,
.page-intro h2 {
  margin-bottom: 20px;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.page-intro > p:not(.eyebrow) {
  font-size: 1.04rem;
  line-height: 1.75;
}

.page-intro a:not(.button) {
  color: var(--teal-700);
  font-weight: 700;
}

.privacy-notice {
  max-width: 820px;
}

.privacy-notice p + p,
.privacy-notice section + section {
  margin-top: 1.25rem;
}

.privacy-notice h2 {
  margin-top: 2.4rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-sans);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.privacy-notice ul {
  display: grid;
  gap: 0.55rem;
  padding-left: 1.25rem;
  color: var(--text-secondary);
}

.legal-page {
  padding-top: clamp(52px, 7vw, 92px);
}

.legal-document {
  max-width: 880px;
}

.legal-document-short {
  min-height: clamp(520px, 65vh, 720px);
}

.legal-document h1 {
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 600;
  letter-spacing: -0.045em;
}

.legal-document .legal-updated {
  margin-bottom: clamp(44px, 6vw, 70px);
  color: var(--teal-700);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.legal-document section {
  padding-top: 2.5rem;
  border-top: 1px solid var(--ink-100);
}

.legal-document section + section {
  margin-top: 3.4rem;
}

.legal-document h2 {
  margin-top: 0;
  margin-bottom: 1.15rem;
  color: var(--ink-900);
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.legal-document h3 {
  margin: 2rem 0 0.85rem;
  color: var(--ink-900);
  font-size: 1.04rem;
  font-weight: 750;
  letter-spacing: -0.012em;
}

.legal-document p,
.legal-document li,
.legal-address {
  color: var(--ink-700);
  font-size: 0.96rem;
  line-height: 1.78;
}

.legal-document p {
  margin-bottom: 1rem;
}

.legal-document ul {
  margin: 1rem 0 1.4rem;
}

.legal-document a {
  color: var(--teal-700);
  font-weight: 700;
  text-underline-offset: 3px;
}

.legal-address {
  margin: 1.1rem 0 1.3rem;
  padding: 20px 22px;
  border-left: 3px solid var(--teal-500);
  background: var(--teal-50);
  font-style: normal;
}

.legal-note {
  margin-top: 1.5rem;
  padding: 18px 20px;
  border-left: 3px solid var(--amber-500);
  background: #fdf8ef;
}

/* Demo page additions. The long article keeps its local type rules. */
.demo-page {
  padding-top: clamp(48px, 7vw, 86px);
}

.demo-page-intro {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.64fr);
  align-items: center;
  gap: 55px;
  margin-bottom: 72px;
  padding: clamp(34px, 5vw, 58px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-900);
}

.demo-page-intro::after {
  content: "";
  position: absolute;
  top: -100px;
  right: -80px;
  width: 290px;
  height: 290px;
  border: 1px solid rgba(135, 216, 207, 0.18);
  border-radius: 50%;
  box-shadow: 0 0 0 45px rgba(135, 216, 207, 0.03);
}

.demo-page-intro > div {
  position: relative;
  z-index: 1;
}

.demo-page-intro h1 {
  max-width: 780px;
  margin-bottom: 18px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  font-weight: 600;
  letter-spacing: -0.045em;
}

.demo-page-intro p:not(.eyebrow) {
  max-width: 720px;
  margin-bottom: 0;
  color: #b9cbd2;
  font-size: 1rem;
  line-height: 1.7;
}

.demo-quickstart {
  display: grid;
  gap: 9px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
}

.demo-quickstart > strong {
  margin-bottom: 5px;
  color: var(--white);
  font-size: 0.88rem;
}

.demo-quickstart a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 11px 12px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: #e9f2f4;
  font-size: 0.78rem;
  line-height: 1.45;
  text-decoration: none;
}

.demo-quickstart a:hover {
  border-color: rgba(135, 216, 207, 0.35);
  background: rgba(135, 216, 207, 0.1);
}

.demo-article {
  max-width: 780px;
  margin-inline: auto;
}

.demo-article-heading {
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--ink-100);
}

.demo-article-heading h2 {
  margin-bottom: 13px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.demo-article-heading p:last-child {
  margin-bottom: 0;
}

/* Responsive */
@media (max-width: 1120px) {
  :root {
    --shell: min(100% - 40px, 1040px);
  }

  .hamburger {
    display: flex;
  }

  .js .nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1001;
    width: min(360px, calc(100vw - 38px));
    height: 100vh;
    height: 100dvh;
    margin: 0;
    padding: calc(var(--header-height) + 25px) 22px 30px;
    overflow-y: auto;
    background: var(--white);
    box-shadow: -20px 0 55px rgba(5, 22, 31, 0.18);
    visibility: hidden;
    transform: translateX(105%);
    transition: transform 220ms ease, visibility 0s linear 220ms;
  }

  .js .nav.active {
    visibility: visible;
    transform: translateX(0);
    transition-delay: 0s;
  }

  .js .nav-list {
    display: grid;
    align-items: stretch;
    gap: 4px;
  }

  .js .nav-list li {
    border-bottom: 1px solid var(--ink-100);
  }

  .js .nav-list a,
  .js .nav-list button {
    width: 100%;
    min-height: 52px;
    justify-content: flex-start;
    padding: 0 12px;
    text-align: left;
  }

  html:not(.js) .header-inner {
    flex-wrap: wrap;
    padding-block: 12px;
  }

  html:not(.js) .hamburger {
    display: none;
  }

  html:not(.js) .nav {
    flex: 1 0 100%;
    margin: 0;
  }

  html:not(.js) .nav-list {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(370px, 0.83fr);
    gap: 45px;
  }

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

  .problem-grid li {
    min-height: 260px;
  }

  .process-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 42px 0;
  }

  .process-list li:nth-child(2) {
    border-right: 0;
  }

  .process-list li:nth-child(3) {
    padding-left: 0;
  }

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

  .usecase-grid article,
  .usecase-grid article:nth-child(4) {
    grid-column: auto;
  }

  .usecase-grid article:last-child {
    grid-column: 1 / -1;
    min-height: 210px;
  }
}

@media (max-width: 860px) {
  :root {
    --shell: min(100% - 32px, 760px);
    --header-height: 68px;
  }

  .brand {
    font-size: 0.96rem;
  }

  .hero-grid,
  .feature-layout,
  .demo-layout,
  .faq-layout,
  .demo-page-intro {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 730px;
  }

  .assistant-preview {
    max-width: 620px;
    justify-self: center;
  }

  .signal-grid {
    grid-template-columns: 1fr;
    padding-block: 14px;
  }

  .signal-grid > div,
  .signal-grid > div:first-child,
  .signal-grid > div:last-child {
    min-height: 87px;
    padding: 15px 0;
    border-right: 0;
    border-bottom: 1px solid var(--ink-100);
  }

  .signal-grid > div:last-child {
    border-bottom: 0;
  }

  .feature-intro,
  .faq-intro {
    position: static;
  }

  .demo-layout {
    gap: 45px;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 23px;
    text-align: left;
  }

  .footer-main > p {
    text-align: left;
  }

  .footer-main nav {
    justify-content: flex-start;
  }

  .demo-page-intro {
    gap: 32px;
  }
}

@media (max-width: 600px) {
  :root {
    --shell: calc(100% - 24px);
  }

  .section {
    padding: 72px 0;
  }

  .section-heading h2,
.feature-intro h2,
.demo-copy h2,
.faq-intro h2 {
    font-size: clamp(2.05rem, 11vw, 3rem);
  }

  .brand-name {
    max-width: 190px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero {
    padding-top: 57px;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 14vw, 4rem);
  }

  .hero-lead {
    font-size: 1.03rem;
  }

  .button-row,
  .button-row .button {
    width: 100%;
  }

  .hero-points {
    display: grid;
  }

  .assistant-preview {
    padding-top: 8px;
  }

  .assistant-topbar {
    min-height: 68px;
    padding: 13px 14px;
  }

  .assistant-identity small,
  .status-dot {
    display: none;
  }

  .assistant-conversation {
    min-height: 340px;
    padding: 20px 14px;
  }

  .chat-bubble-user {
    max-width: 91%;
  }

  .chat-bubble {
    font-size: 0.8rem;
  }

  .source-chips span:last-child {
    display: none;
  }

  .preview-note {
    margin-left: 10px;
  }

  .problem-grid,
  .usecase-grid {
    grid-template-columns: 1fr;
  }

  .problem-grid li {
    min-height: 250px;
  }

  .feature-layout {
    gap: 42px;
  }

  .feature-list li {
    grid-template-columns: 31px 1fr;
    gap: 13px;
  }

  .feature-check {
    width: 31px;
    height: 31px;
  }

  .question-panel {
    padding: 18px;
  }

  .question-links a {
    font-size: 0.82rem;
  }

  .process-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .process-list li,
  .process-list li:first-child,
  .process-list li:nth-child(3),
  .process-list li:last-child {
    display: grid;
    grid-template-columns: 55px 1fr;
    gap: 16px;
    padding: 23px 0;
    border-right: 0;
    border-bottom: 1px solid var(--ink-100);
  }

  .process-list li:last-child {
    border-bottom: 0;
  }

  .process-number {
    margin: 2px 0 0;
    font-size: 1.65rem;
  }

  .usecase-grid article,
  .usecase-grid article:last-child {
    grid-column: auto;
    min-height: 230px;
  }

  .faq-list summary {
    font-size: 0.93rem;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .wrap {
    padding-top: 52px;
  }

  .demo-page-intro {
    margin-bottom: 54px;
    padding: 30px 21px;
    border-radius: 21px;
  }

  .demo-page-intro h1 {
    font-size: clamp(2.45rem, 13vw, 3.6rem);
  }
}

@media (max-width: 330px) {
  .header-inner {
    gap: 10px;
  }

  .brand-name {
    max-width: 125px;
  }
}

@media (max-width: 315px) {
  .site-header .brand-name {
    max-width: 170px;
    line-height: 1.05;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}