.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1220px, calc(100% - 40px));
  margin: 16px auto 0;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.095);
  border-radius: 999px;
  background: rgba(5, 11, 20, 0.66);
  backdrop-filter: blur(26px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(5, 11, 20, 0.86);
  border-color: rgba(255, 255, 255, 0.16);
}

.brand,
.site-nav,
.site-footer nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 12px;
}

.site-nav {
  gap: 22px;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-nav a,
.site-footer a {
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--text);
}

.header-login,
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 760;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.header-login {
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  background: rgba(255, 255, 255, 0.065);
}

.header-login:hover {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.1);
}

.header-cta {
  color: #06101d;
  background: var(--text);
}

.header-actions,
.lang-switcher {
  display: flex;
  align-items: center;
}

.header-actions {
  gap: 8px;
}

.lang-switcher {
  gap: 3px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.055);
}

.lang-switcher a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 32px;
  padding: 0 8px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.06em;
  transition: color 180ms ease, background 180ms ease;
}

.lang-switcher a:hover,
.lang-switcher a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.12);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
  gap: clamp(34px, 5vw, 64px);
  align-items: center;
  min-height: min(720px, calc(100vh - 82px));
  padding: clamp(54px, 6.5vw, 82px) 0 clamp(50px, 6vw, 72px);
}

.hero h1 {
  max-width: 740px;
  margin-bottom: 22px;
  font-size: clamp(2.55rem, 4.85vw, 4.35rem);
  line-height: 0.98;
  font-weight: 760;
  letter-spacing: -0.065em;
}

.hero-copy,
.hero-panel {
  min-width: 0;
}

html[lang="kk"] .hero h1 {
  font-size: clamp(2.32rem, 4.18vw, 3.72rem);
}

html[lang="kk"] .hero-text {
  font-size: clamp(0.98rem, 1.22vw, 1.1rem);
}

.hero-text {
  max-width: 620px;
  margin-bottom: 28px;
  color: var(--muted-strong);
  font-size: clamp(1.02rem, 1.35vw, 1.2rem);
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.trust-note {
  max-width: 600px;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-panel {
  position: relative;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.05)),
    rgba(7, 17, 31, 0.78);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel::before {
  position: absolute;
  inset: -40% -10% auto;
  height: 320px;
  content: "";
  background: radial-gradient(circle, rgba(156, 235, 216, 0.15), transparent 64%);
}

.panel-topline,
.signal-card,
.decision-grid,
.channel-strip {
  position: relative;
}

.panel-topline {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.panel-topline span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.26);
}

.signal-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  min-height: 176px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 26px;
  background: linear-gradient(140deg, rgba(156, 235, 216, 0.14), rgba(168, 198, 255, 0.075));
}

.label {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-card h2 {
  max-width: 275px;
  margin-bottom: 0;
  font-size: clamp(1.28rem, 2vw, 1.5rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.score {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border: 1px solid rgba(143, 232, 208, 0.32);
  border-radius: 24px;
  color: var(--teal);
  background: rgba(6, 16, 29, 0.56);
  font-size: 1rem;
  font-weight: 760;
}

.decision-grid {
  display: grid;
  gap: 12px;
  margin: 14px 0;
}

.decision-grid article {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.055);
}

.decision-grid p,
.channel-strip span {
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.94rem;
}

.dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.teal {
  background: var(--teal);
}

.blue {
  background: var(--blue);
}

.gold {
  background: var(--gold);
}

.channel-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.channel-strip span {
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
}

.intro,
.workflow,
.audience,
.contact {
  padding: clamp(58px, 8vw, 90px) 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.contact-card h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 3.6vw, 3.25rem);
  line-height: 1.05;
  font-weight: 740;
  letter-spacing: -0.055em;
}

.section-heading p:not(.eyebrow),
.contact-card p {
  color: var(--muted-strong);
  font-size: clamp(1rem, 1.2vw, 1.08rem);
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.step,
.audience-card,
.contact-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 18px 58px rgba(0, 0, 0, 0.14);
}

.feature-card {
  min-height: 250px;
  padding: 24px;
  border-radius: var(--radius-md);
}

.feature-card span {
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.feature-card h3,
.step h3 {
  margin: 30px 0 12px;
  font-size: 1.15rem;
  font-weight: 720;
  letter-spacing: -0.03em;
}

.step h3:first-child {
  margin-top: 0;
}

.feature-card p,
.step p {
  margin-bottom: 0;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.step {
  padding: 24px;
  border-radius: 28px;
}

.step span {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--teal);
  background: rgba(143, 232, 208, 0.1);
  font-size: 0.8rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.audience-card {
  min-height: 220px;
  padding: 26px;
  border-radius: var(--radius-lg);
}

.audience-card h3 {
  margin-bottom: 12px;
  font-size: 1.18rem;
  font-weight: 720;
  letter-spacing: -0.03em;
}

.audience-card p {
  margin: 0;
  color: var(--muted);
}

.future-note {
  max-width: 820px;
  margin: 28px 0 0;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 18px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.045);
  font-size: 0.96rem;
}

.contact-card {
  padding: clamp(28px, 5vw, 54px);
  display: block;
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
  border-radius: 38px;
  background:
    radial-gradient(circle at top, rgba(156, 235, 216, 0.12), transparent 48%),
    var(--panel);
}

.contact-card p:not(.eyebrow) {
  margin-bottom: 28px;
}

.contact-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 44px 0 34px;
  color: var(--muted);
}

.footer-brand {
  width: fit-content;
  margin-bottom: 12px;
  color: var(--text);
}

.site-footer nav {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-size: 0.92rem;
}

.copyright {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .site-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 34px;
    padding-top: 64px;
  }

  .hero-panel {
    max-width: 560px;
  }

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

@media (max-width: 1180px) and (min-width: 981px) {
  .site-nav {
    gap: 16px;
    font-size: 0.84rem;
  }

  .header-cta {
    display: none;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 4.5vw, 4rem);
  }
}

@media (max-width: 640px) {
  .section-shell,
  .site-header,
  .site-footer {
    width: min(100% - 28px, var(--max-width));
  }

  .site-header {
    margin-top: 12px;
    padding: 8px;
  }

  .site-header .brand span {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .header-cta {
    display: none;
  }

  .header-login {
    padding: 10px 11px;
    font-size: 0.78rem;
  }

  .lang-switcher a {
    min-width: 31px;
    min-height: 30px;
    padding: 0 7px;
    font-size: 0.72rem;
  }

  .hero {
    min-height: auto;
    padding: 54px 0 42px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.5rem);
    line-height: 1.02;
  }

  .button {
    width: 100%;
  }

  .signal-card {
    min-height: 170px;
    padding: 20px;
  }

  .signal-card h2 {
    font-size: 1.34rem;
  }

  .score {
    width: 58px;
    height: 58px;
    border-radius: 18px;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .intro,
  .workflow,
  .audience,
  .contact {
    padding: 54px 0;
  }

  .feature-grid,
  .steps,
  .audience-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: auto;
  }

  .audience-card {
    min-height: auto;
  }

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

@media (max-width: 420px) {
  .lang-switcher {
    display: none;
  }
}