:root {
  --bg: #0b0b0c;
  --bg-soft: #141517;
  --panel: rgba(22, 22, 24, 0.82);
  --panel-strong: #1a1b1e;
  --line: rgba(234, 228, 218, 0.14);
  --text: #ede7dc;
  --muted: #b8b1a6;
  --accent: #ddd3c3;
  --accent-strong: #f5ecde;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 28px;
  --radius-sm: 18px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(221, 211, 195, 0.13), transparent 28%),
    radial-gradient(circle at left center, rgba(255, 255, 255, 0.05), transparent 22%),
    linear-gradient(180deg, #09090a 0%, #0f1012 40%, #09090a 100%);
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
}

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

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

.page-shell {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
}

.site-nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
}

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

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.lang-switch__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lang-switch__link.is-active {
  background: rgba(221, 211, 195, 0.14);
  color: var(--accent-strong);
}

.site-nav a:hover,
.footer-links a:hover,
.link-arrow:hover {
  color: var(--accent-strong);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent-strong), var(--accent));
  color: #0c0c0d;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(221, 211, 195, 0.18);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(221, 211, 195, 0.22);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  box-shadow: none;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr 280px;
  gap: 28px;
  min-height: 88vh;
  padding: 36px 0 28px;
}

.hero__media,
.hero__content,
.hero__stats,
.card,
.benefit {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero__media {
  position: relative;
  overflow: hidden;
  min-height: 680px;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.12) contrast(1.08) brightness(0.58);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 7, 8, 0.12), rgba(7, 7, 8, 0.82)),
    linear-gradient(90deg, rgba(7, 7, 8, 0.48), rgba(7, 7, 8, 0.06));
}

.hero__content,
.hero__stats,
.card,
.benefit {
  padding: 28px;
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

h1 {
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.25rem, 1.8vw, 1.7rem);
  font-weight: 700;
}

p,
li,
summary {
  color: var(--muted);
  line-height: 1.65;
  font-size: 1.02rem;
}

.hero__lead {
  font-size: 1.12rem;
  max-width: 36rem;
  color: var(--text);
}

.hero__sublead {
  max-width: 34rem;
  margin-top: 0;
  color: var(--text);
  opacity: 0.82;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 26px 0;
}

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

.hero__points li::before {
  content: "Σ";
  display: inline-block;
  width: 24px;
  color: var(--accent);
}

.hero__stats {
  display: grid;
  gap: 16px;
  align-content: start;
}

.stat-card {
  padding: 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-card__value {
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
  font-weight: 800;
  font-size: 2rem;
}

.section {
  padding: 88px 0;
}

.section-heading {
  max-width: 850px;
  margin-bottom: 32px;
}

.section-heading p:last-child {
  margin-top: 16px;
}

.intro__grid,
.ecosystem__grid,
.benefits-grid,
.scenario-grid,
.bots-grid,
.showcase-grid,
.proof-grid,
.seo-copy__grid {
  display: grid;
  gap: 22px;
}

.intro__grid {
  grid-template-columns: 1.1fr 0.9fr;
}

.intro__text {
  padding-right: 24px;
}

.intro__image {
  overflow: hidden;
  min-height: 520px;
}

.intro__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.1) contrast(1.08);
}

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

.showcase-grid {
  grid-template-columns: 1.3fr 0.85fr 0.85fr;
  align-items: stretch;
}

.motion-card {
  overflow: hidden;
  padding: 0;
}

.motion-card--feature {
  min-height: 560px;
}

.motion-card__media {
  position: relative;
  min-height: 260px;
  background: #0a0a0b;
}

.motion-card--feature .motion-card__media {
  min-height: 410px;
}

.motion-card__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.08) brightness(0.72);
}

.motion-card__body {
  padding: 22px 24px 26px;
}

.bot-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.bot-card__top img {
  width: 68px;
  height: 68px;
  border-radius: 22px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.bot-card__tagline,
.ecosystem-card__lead {
  color: var(--text);
}

.pill {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.bot-card ul {
  padding-left: 18px;
  margin: 18px 0 26px;
}

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

.link-arrow {
  color: var(--accent);
  font-weight: 700;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.timeline__item {
  position: relative;
  padding: 26px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
}

.timeline__item span {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border-radius: 50%;
  background: rgba(221, 211, 195, 0.12);
  color: var(--accent-strong);
  font-family: Impact, "Arial Narrow Bold", sans-serif;
  font-size: 1.2rem;
}

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

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

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

.proof-card__index {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  font-family: Impact, "Arial Narrow Bold", sans-serif;
  font-size: 2rem;
}

.benefit {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.faq-list {
  display: grid;
  gap: 16px;
}

details summary {
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-weight: 700;
}

details summary::-webkit-details-marker {
  display: none;
}

details[open] summary {
  margin-bottom: 14px;
}

.cta-card {
  text-align: center;
  padding: 46px 32px;
}

.cta-card p {
  max-width: 720px;
  margin: 18px auto 0;
}

.cta-card .hero__actions {
  justify-content: center;
  margin-bottom: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 44px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: start;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 480ms ease, transform 480ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__media {
    min-height: 420px;
  }

  .bots-grid,
  .timeline,
  .intro__grid,
  .ecosystem__grid,
  .showcase-grid,
  .seo-copy__grid,
  .proof-grid,
  .scenario-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-wrap: wrap;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--container));
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.92rem;
    overflow-x: auto;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .hero__content,
  .hero__stats,
  .card,
  .benefit,
  .timeline__item {
    padding: 20px;
  }

  .section {
    padding: 64px 0;
  }

  .site-footer {
    flex-direction: column;
  }
}