:root {
  --bg: #0b1020;
  --bg-elev: #121a33;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8ecff;
  --muted: #9aa3c0;
  --accent: #6ee7ff;
  --accent-2: #a78bfa;
  --ok: #34d399;
  --radius: 16px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  font-family: "DM Sans", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(110, 231, 255, 0.12), transparent),
    radial-gradient(900px 500px at 90% 0%, rgba(167, 139, 250, 0.12), transparent),
    var(--bg);
  line-height: 1.55;
}

#outcomes,
#how,
#verticals,
#trust,
#proof {
  scroll-margin-top: 88px;
}

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

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

a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -999px;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
  padding: 8px 12px;
  background: var(--bg-elev);
  border-radius: 8px;
  z-index: 100;
}

.container {
  width: min(1120px, 100% - 40px);
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid var(--border);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.brand__mark {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: url("actify-icon.png") center / cover no-repeat;
  box-shadow: 0 8px 24px rgba(110, 231, 255, 0.35);
}

.brand__tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.lang-switch {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  gap: 2px;
}

.lang-switch__btn {
  font: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.lang-switch__btn:hover {
  color: var(--text);
}

.lang-switch__btn.is-active,
html[lang="ru"] .lang-switch__btn[data-i18n-lang="ru"],
html[lang="en"] .lang-switch__btn[data-i18n-lang="en"] {
  color: #0b1020;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn--ghost:hover {
  background: var(--surface);
}

.btn--primary {
  background: linear-gradient(135deg, #5ee7ff, #7c6bff);
  color: #0a0f1f;
  box-shadow: 0 12px 28px rgba(94, 231, 255, 0.25);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border);
  color: var(--text);
}

.btn--lg {
  padding: 14px 22px;
  border-radius: 12px;
}

.hero {
  padding: 56px 0 72px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 16px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 6s ease infinite;
}

.lede {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 28px;
}

.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: grid;
  gap: 10px;
}

.hero-bullets li {
  position: relative;
  padding-left: 22px;
  color: var(--text);
  font-size: 0.98rem;
}

.hero-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px rgba(110, 231, 255, 0.45);
}

.hero__cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.section-intro {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 52ch;
  margin: -8px 0 32px;
}

.proof {
  padding: 8px 0 40px;
  border-bottom: 1px solid var(--border);
}

.proof__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 16px;
  text-align: center;
}

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

@media (max-width: 900px) {
  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .proof-grid {
    grid-template-columns: 1fr;
  }
}

.proof-stat {
  text-align: center;
  padding: 20px 16px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.proof-stat:hover {
  transform: translateY(-3px);
  border-color: rgba(110, 231, 255, 0.28);
}

.proof-stat__value {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.proof-stat__value.is-loaded {
  animation: stat-pop 0.5s ease;
}

@keyframes stat-pop {
  0% {
    opacity: 0.6;
    transform: scale(0.96);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.proof-stat__label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.35;
}

.outcomes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 720px) {
  .outcomes-grid {
    grid-template-columns: 1fr;
  }
}

.outcomes-col {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.outcomes-col:hover {
  transform: translateY(-4px);
  border-color: rgba(110, 231, 255, 0.25);
}

.outcomes-col h3 {
  margin: 0 0 16px;
  font-size: 1.15rem;
}

.outcomes-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.outcomes-list li {
  padding-left: 20px;
  position: relative;
  color: var(--muted);
}

.outcomes-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--ok);
  font-weight: 700;
}

.infra-grid--trust {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.pill--ok {
  color: var(--ok);
  border-color: rgba(52, 211, 153, 0.35);
}

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(110, 231, 255, 0.12);
  color: var(--accent);
  font-weight: 600;
  margin-right: 6px;
}

.hero-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card__tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.hero-card__tabs button {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.hero-card__tabs button.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.hero-card__body {
  padding: 20px;
}

.metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
}

.metric__label {
  color: var(--muted);
  font-size: 0.9rem;
}

.metric__value {
  font-size: 1.5rem;
  font-weight: 700;
}

.mini-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mini-list__item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
}

.mini-list__item p {
  margin: 4px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.badge {
  align-self: center;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}

.badge--ok {
  border-color: rgba(52, 211, 153, 0.45);
  color: var(--ok);
}

.footnote {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--muted);
}

.dot--ok {
  background: var(--ok);
}

.section {
  padding: 56px 0;
}

.section--muted {
  background: rgba(255, 255, 255, 0.02);
  border-block: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 12px;
  font-size: 1.75rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 28px;
}

@media (max-width: 900px) {
  .steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.step__num {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(110, 231, 255, 0.12);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.section--infrastructure {
  position: relative;
  overflow: hidden;
}

.section--infrastructure::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 70%;
  background: radial-gradient(
    ellipse 80% 60% at 50% 0%,
    rgba(110, 231, 255, 0.14),
    transparent 70%
  );
  pointer-events: none;
}

.infra-header {
  max-width: 720px;
  margin-bottom: 36px;
}

.infra-eyebrow {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.infra-title {
  margin: 0 0 16px;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1.15;
}

.infra-lede {
  margin: 0;
}

.infra-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

@media (max-width: 720px) {
  .infra-grid {
    grid-template-columns: 1fr;
  }
}

.infra-card {
  position: relative;
  padding: 22px 22px 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.05),
    rgba(255, 255, 255, 0.02)
  );
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.infra-card:hover {
  border-color: rgba(110, 231, 255, 0.35);
  transform: translateY(-2px);
}

.infra-card__icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border-radius: 10px;
  background: rgba(110, 231, 255, 0.1);
  color: var(--accent);
  font-size: 1.1rem;
}

.infra-card__title {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.infra-card__text {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.infra-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.infra-tags li {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(167, 139, 250, 0.25);
  background: rgba(167, 139, 250, 0.1);
  color: #d4c4ff;
}

.infra-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 18px 20px;
  margin-bottom: 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

@media (max-width: 640px) {
  .infra-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

.infra-strip__item {
  text-align: center;
}

.infra-strip__value {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.infra-strip__label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.infra-foot {
  margin: 0;
  font-size: 0.92rem;
  text-align: center;
}

.infra-foot a {
  color: var(--accent);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

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

@media (max-width: 720px) {
  .cards.cards--four {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

.card {
  padding: 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.card h3 {
  margin: 0 0 8px;
}

.card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.chip {
  display: inline-block;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(167, 139, 250, 0.12);
  color: #d4c4ff;
}

.footer {
  padding: 36px 0 48px;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--muted);
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 6px 0 0;
}

/* Landing support FAB */
.landing-support-fab {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border: 1px solid rgba(110, 231, 255, 0.35);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(110, 231, 255, 0.2), rgba(167, 139, 250, 0.15));
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.landing-support-fab__label {
  display: none;
}

@media (min-width: 520px) {
  .landing-support-fab__label {
    display: inline;
  }
}

#landing-support-panel[hidden] {
  display: none !important;
}

#landing-support-panel {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  padding: 0 16px 88px;
  pointer-events: none;
}

#landing-support-panel:not([hidden]) {
  pointer-events: auto;
}

#landing-support-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(4, 8, 18, 0.6);
  backdrop-filter: blur(4px);
}

.landing-support-window {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: min(400px, 100%);
  max-height: min(72vh, 560px);
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.landing-support-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 14px 16px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}

.landing-support-head h2 {
  margin: 0;
  flex: 1;
  font-size: 1.05rem;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landing-support-close {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.landing-support-form,
.landing-support-thread,
.landing-support-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 14px 16px 20px;
  background: var(--bg-elev);
}

.landing-support-hint {
  flex-shrink: 0;
  padding: 0 16px 8px;
  margin: 0;
  background: var(--bg-elev);
}

.landing-support-new {
  display: block;
  flex-shrink: 0;
  width: auto;
  margin: 0 16px 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.field input,
.field textarea,
.field select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font: inherit;
}

.landing-support-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.landing-support-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.landing-support-row__title {
  font-weight: 600;
}

.landing-support-messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 45vh;
  overflow-y: auto;
  margin-bottom: 12px;
}

.landing-support-bubble {
  max-width: 90%;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.landing-support-bubble--user {
  align-self: flex-end;
  border-color: rgba(110, 231, 255, 0.35);
}

.landing-support-bubble p {
  margin: 6px 0 0;
  white-space: pre-wrap;
}

.landing-support-composer textarea {
  width: 100%;
  min-height: 72px;
  margin-bottom: 8px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font: inherit;
}

.landing-support-err {
  color: #f87171;
}

body.landing-support-open {
  overflow: hidden;
}

@media (max-width: 440px) {
  #landing-support-panel {
    align-items: stretch;
    padding: 0 12px 80px;
  }

  .landing-support-window {
    width: 100%;
    max-height: min(78vh, 600px);
  }
}

/* —— Motion & ambient effects —— */
.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.45;
  animation: orb-float 18s ease-in-out infinite;
}

.ambient__orb--1 {
  width: 420px;
  height: 420px;
  left: -8%;
  top: 6%;
  background: rgba(110, 231, 255, 0.35);
}

.ambient__orb--2 {
  width: 360px;
  height: 360px;
  right: -6%;
  top: 18%;
  background: rgba(167, 139, 250, 0.32);
  animation-delay: -6s;
}

.ambient__orb--3 {
  width: 280px;
  height: 280px;
  left: 38%;
  bottom: 8%;
  background: rgba(52, 211, 153, 0.18);
  animation-delay: -12s;
}

@keyframes orb-float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(24px, -18px) scale(1.06);
  }
  66% {
    transform: translate(-16px, 12px) scale(0.94);
  }
}

main,
.topbar,
.footer,
.ambient + .skip-link {
  position: relative;
  z-index: 1;
}

.topbar {
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

body.is-scrolled .topbar {
  background: rgba(11, 16, 32, 0.9);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.nav a {
  position: relative;
  transition: color 0.2s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav a:hover::after,
.nav a.is-active::after {
  transform: scaleX(1);
}

.nav a.is-active {
  color: var(--text);
}

.brand__mark {
  animation: brand-glow 3.5s ease-in-out infinite;
}

@keyframes brand-glow {
  0%,
  100% {
    box-shadow: 0 8px 24px rgba(110, 231, 255, 0.35);
  }
  50% {
    box-shadow: 0 8px 32px rgba(167, 139, 250, 0.55);
  }
}

@keyframes gradient-shift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero--fx {
  position: relative;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: -20% 10% auto;
  height: 80%;
  background: radial-gradient(ellipse 70% 55% at 50% 40%, rgba(110, 231, 255, 0.16), transparent 70%);
  pointer-events: none;
  animation: hero-glow-pulse 8s ease-in-out infinite;
}

@keyframes hero-glow-pulse {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

.hero-card--fx {
  animation: card-float 7s ease-in-out infinite;
  transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.hero-card--fx:hover {
  border-color: rgba(110, 231, 255, 0.4);
  box-shadow: 0 28px 90px rgba(110, 231, 255, 0.18), var(--shadow);
  transform: translateY(-4px);
  animation-play-state: paused;
}

@keyframes card-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.preview-panel--pulse {
  animation: preview-flash 0.45s ease;
}

@keyframes preview-flash {
  0% {
    opacity: 0.55;
    transform: translateY(6px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(94, 231, 255, 0.38);
}

.btn--secondary:hover,
.btn--ghost:hover {
  transform: translateY(-1px);
}

.mini-list__item {
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.mini-list__item:hover {
  border-color: rgba(110, 231, 255, 0.3);
  transform: translateX(4px);
}

.metric__value {
  background: linear-gradient(135deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--reveal-delay, 0ms));
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-delay="1"] {
  --reveal-delay: 80ms;
}
[data-reveal-delay="2"] {
  --reveal-delay: 160ms;
}
[data-reveal-delay="3"] {
  --reveal-delay: 240ms;
}
[data-reveal-delay="4"] {
  --reveal-delay: 320ms;
}
[data-reveal-delay="5"] {
  --reveal-delay: 400ms;
}

.step,
.card,
.infra-card {
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    background 0.25s ease;
}

.step:hover,
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(110, 231, 255, 0.28);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

.infra-card:hover {
  transform: translateY(-4px);
}

.infra-card__icon {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.infra-card:hover .infra-card__icon {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 0 24px rgba(110, 231, 255, 0.25);
}

.infra-strip__value {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.infra-strip__item {
  transition: transform 0.25s ease;
}

.infra-strip__item:hover {
  transform: translateY(-3px);
}

.section h2[data-reveal].is-revealed {
  animation: title-shine 1.2s ease 0.1s both;
}

@keyframes title-shine {
  from {
    letter-spacing: 0.02em;
    opacity: 0.85;
  }
  to {
    letter-spacing: normal;
    opacity: 1;
  }
}

.landing-support-fab {
  animation: fab-pulse 4s ease-in-out infinite;
}

@keyframes fab-pulse {
  0%,
  100% {
    box-shadow: var(--shadow);
  }
  50% {
    box-shadow: 0 12px 40px rgba(110, 231, 255, 0.35);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .ambient {
    display: none;
  }
}