/* Первый блок (hero + word-dots) + страница в стиле neuroapi.host */
:root {
  --my-base-color: #004174;
  --my-dark-color: #002a4b;
  --my-light-color: #0065b4;
  --na-bg: #000000;
  --na-card: #18181b;
  --na-card-hover: #1f1f23;
  --na-border: rgba(255, 255, 255, 0.08);
  --na-muted: #a1a1aa;
  --na-accent: #38bdf8;
  --na-text: #fafafa;
}

@keyframes main-glow-move-1 {
  0% { background-position: 22% 25%; }
  20% { background-position: 75% 29%; }
  40% { background-position: 68% 72%; }
  60% { background-position: 26% 64%; }
  80% { background-position: 50% 23%; }
  100% { background-position: 22% 25%; }
}

@keyframes main-glow-move-2 {
  0% { background-position: 75% 71%; }
  25% { background-position: 28% 33%; }
  50% { background-position: 78% 54%; }
  75% { background-position: 33% 77%; }
  100% { background-position: 75% 71%; }
}

@keyframes na-heading-phantom {
  0%, 100% {
    opacity: 0.22;
  }
  50% {
    opacity: 0.36;
  }
}

@keyframes na-ai-lines-shift {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  100% {
    transform: translate(-4%, 3%) rotate(0.6deg);
  }
}

@keyframes na-ai-dots-twinkle {
  0%, 100% {
    opacity: 0.35;
  }
  50% {
    opacity: 0.65;
  }
}

@keyframes na-ai-orb-drift-1 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(12px, -18px) scale(1.04);
  }
}

@keyframes na-ai-orb-drift-2 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-16px, 14px) scale(1.06);
  }
}

@keyframes na-ai-orb-drift-3 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(8px, 22px) scale(0.97);
  }
}

@keyframes na-ai-net-pulse {
  0%, 100% {
    opacity: 0.55;
  }
  50% {
    opacity: 0.95;
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: 'Geist', 'DM Sans', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--na-bg);
  color: var(--na-text);
  max-width: 100%;
}

.site {
  background: var(--na-bg);
  color: var(--na-text);
  max-width: 100%;
  overflow-x: clip;
}

/* —— Hero (блок 1) —— */
.demo-page.hero {
  min-height: 100vh;
  min-height: 100dvh;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: #000000;
  color: #e4e4e7;
  position: relative;
  overflow: hidden;
}

.demo-page.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 40% 40% at 50% 50%,
    color-mix(in srgb, var(--my-light-color) 22%, transparent) 0%,
    color-mix(in srgb, var(--my-base-color) 8%, transparent) 35%,
    transparent 55%
  );
  background-size: 140% 140%;
  background-position: 22% 25%;
  background-repeat: no-repeat;
  animation: main-glow-move-1 7s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.demo-page.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 35% 45% at 50% 50%,
    color-mix(in srgb, var(--my-light-color) 16%, transparent) 0%,
    color-mix(in srgb, var(--my-dark-color) 6%, transparent) 30%,
    transparent 50%
  );
  background-size: 130% 130%;
  background-position: 75% 71%;
  background-repeat: no-repeat;
  animation: main-glow-move-2 9s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] .demo-page.hero {
  background: #fafafa;
  color: #18181b;
}

[data-theme="light"] .demo-page.hero::before {
  background: radial-gradient(
    ellipse 40% 40% at 50% 50%,
    color-mix(in srgb, var(--my-light-color) 14%, transparent) 0%,
    color-mix(in srgb, var(--my-base-color) 5%, transparent) 35%,
    transparent 55%
  );
}

[data-theme="light"] .demo-page.hero::after {
  background: radial-gradient(
    ellipse 35% 45% at 50% 50%,
    color-mix(in srgb, var(--my-light-color) 12%, transparent) 0%,
    color-mix(in srgb, var(--my-dark-color) 4%, transparent) 30%,
    transparent 50%
  );
}

.word-dots-host {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.word-dots-host .word-dots-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0.92;
}

.demo-page.hero > *:not(.word-dots-host) {
  position: relative;
  z-index: 2;
}

.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #282a2e;
}

[data-theme="light"] .demo-header {
  border-bottom-color: #e4e4e7;
}

.demo-brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
  max-width: 100%;
}

.demo-main {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px 40px;
  text-align: center;
}

.demo-hint {
  margin-top: 28px;
  font-size: 12px;
  opacity: 0.55;
  max-width: 520px;
  line-height: 1.45;
}

.demo-title {
  font-size: clamp(28px, 6vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
}

.demo-main code {
  font-size: 0.9em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
}

/* —— neuroapi-style landing (блоки после hero) —— */
.na-page {
  position: relative;
  z-index: 0;
  background: var(--na-bg);
  color: var(--na-text);
  max-width: 100%;
  overflow-x: clip;
}

/* Фон: сетка линий, точки, сферы с «мозгом» */
.na-ai-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.na-page > :not(.na-ai-bg) {
  position: relative;
  z-index: 1;
}

.na-ai-bg__lines {
  position: absolute;
  inset: -15%;
  background-image:
    linear-gradient(
      105deg,
      transparent 0%,
      transparent 48%,
      color-mix(in srgb, var(--my-light-color) 14%, transparent) 49%,
      color-mix(in srgb, var(--na-accent) 10%, transparent) 50.5%,
      transparent 52%,
      transparent 100%
    ),
    linear-gradient(
      -12deg,
      transparent 0%,
      transparent 47%,
      rgba(255, 255, 255, 0.04) 50%,
      transparent 53%,
      transparent 100%
    ),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.03) 0 1px,
      transparent 1px 72px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.025) 0 1px,
      transparent 1px 64px
    );
  background-size: 120% 120%, 110% 110%, 100% 100%, 100% 100%;
  background-position: 50% 50%;
  opacity: 0.45;
  animation: na-ai-lines-shift 9.333s ease-in-out infinite alternate;
}

[data-theme="light"] .na-ai-bg__lines {
  opacity: 0.28;
  background-image:
    linear-gradient(
      105deg,
      transparent 0%,
      transparent 48%,
      color-mix(in srgb, var(--my-light-color) 10%, transparent) 49%,
      color-mix(in srgb, var(--na-accent) 8%, transparent) 50.5%,
      transparent 52%,
      transparent 100%
    ),
    linear-gradient(
      -12deg,
      transparent 0%,
      transparent 47%,
      rgba(0, 0, 0, 0.06) 50%,
      transparent 53%,
      transparent 100%
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.04) 0 1px,
      transparent 1px 72px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.035) 0 1px,
      transparent 1px 64px
    );
}

.na-ai-bg__dots {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, color-mix(in srgb, var(--na-accent) 55%, transparent) 0 1.5px, transparent 2px),
    radial-gradient(circle, rgba(255, 255, 255, 0.45) 0 1px, transparent 1.5px),
    radial-gradient(circle, color-mix(in srgb, var(--my-light-color) 50%, transparent) 0 1.2px, transparent 2px),
    radial-gradient(circle, rgba(125, 211, 252, 0.35) 0 1px, transparent 1.8px),
    radial-gradient(circle, rgba(255, 255, 255, 0.28) 0 0.9px, transparent 1.4px),
    radial-gradient(circle, color-mix(in srgb, var(--na-accent) 40%, transparent) 0 1px, transparent 1.6px),
    radial-gradient(circle, rgba(255, 255, 255, 0.22) 0 0.8px, transparent 1.2px);
  background-size:
    280px 320px,
    420px 380px,
    360px 400px,
    440px 360px,
    300px 340px,
    400px 420px,
    380px 300px;
  background-position:
    12% 18%,
    78% 22%,
    44% 61%,
    88% 72%,
    22% 84%,
    63% 38%,
    91% 44%;
  background-repeat: repeat;
  animation: na-ai-dots-twinkle 2s ease-in-out infinite;
}

.na-ai-bg__orbs {
  position: absolute;
  inset: 0;
}

.na-ai-orb {
  position: absolute;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(
    circle at 35% 30%,
    color-mix(in srgb, var(--my-light-color) 22%, transparent),
    color-mix(in srgb, var(--my-base-color) 8%, transparent) 45%,
    rgba(0, 0, 0, 0.35) 100%
  );
  border: 1px solid color-mix(in srgb, var(--na-accent) 25%, transparent);
  box-shadow:
    0 0 40px color-mix(in srgb, var(--my-light-color) 18%, transparent),
    inset 0 0 24px rgba(255, 255, 255, 0.06);
  color: color-mix(in srgb, var(--na-accent) 85%, #fff);
}

.na-ai-orb__net {
  width: 42%;
  height: 42%;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--na-accent) 50%, transparent));
  animation: na-ai-net-pulse 1.5s ease-in-out infinite;
}

.na-ai-orb--1 {
  width: min(120px, 18vw);
  height: min(120px, 18vw);
  left: 6%;
  top: 12%;
  animation: na-ai-orb-drift-1 5.333s ease-in-out infinite;
}

.na-ai-orb--2 {
  width: min(88px, 14vw);
  height: min(88px, 14vw);
  right: 8%;
  top: 38%;
  animation: na-ai-orb-drift-2 6.667s ease-in-out infinite 0.333s;
}

.na-ai-orb--3 {
  width: min(72px, 11vw);
  height: min(72px, 11vw);
  left: 18%;
  bottom: 16%;
  animation: na-ai-orb-drift-3 6s ease-in-out infinite 0.167s;
}

@media (max-width: 640px) {
  .na-ai-bg__lines {
    inset: -5%;
  }

  .na-ai-orb--1 {
    width: 72px;
    height: 72px;
    left: 2%;
    top: 8%;
  }

  .na-ai-orb--2 {
    width: 56px;
    height: 56px;
    right: 2%;
  }

  .na-ai-orb--3 {
    width: 48px;
    height: 48px;
    left: 10%;
    bottom: 10%;
  }
}

.na-wrap {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  min-width: 0;
}

.na-section {
  position: relative;
  padding: clamp(88px, 12vw, 132px) 0;
  border-top: 1px solid var(--na-border);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  max-width: 100%;
  overflow-x: clip;
}

.na-section.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* —— Появление внутренних блоков (со 2-й секции): направление, каскад —— */
.na-reveal {
  opacity: 0;
  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: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.na-section.is-revealed .na-reveal,
.na-footer.is-revealed .na-reveal {
  opacity: 1;
  transform: none;
}

.na-reveal--up {
  transform: translateY(36px);
}

.na-reveal--down {
  transform: translateY(-28px);
}

.na-reveal--left {
  transform: translateX(-44px);
}

.na-reveal--right {
  transform: translateX(44px);
}

@media (max-width: 640px) {
  .na-reveal--left {
    transform: translateX(-20px);
  }

  .na-reveal--right {
    transform: translateX(20px);
  }
}

.na-reveal--fade {
  transform: none;
}

.na-reveal--scale {
  transform: scale(0.96);
}

.na-section.is-revealed .na-reveal--scale,
.na-footer.is-revealed .na-reveal--scale {
  transform: scale(1);
}

/* Каскад карточек в сетках (плановое появление) */
.na-section .na-row-3 > .na-card.na-reveal:nth-child(1),
.na-section .na-impact-grid > .na-card.na-reveal:nth-child(1),
.na-section .na-why-grid > .na-card.na-reveal:nth-child(1),
.na-section .na-legal-grid > .na-card.na-reveal:nth-child(1) {
  --reveal-delay: 0.06s;
}

.na-section .na-row-3 > .na-card.na-reveal:nth-child(2),
.na-section .na-impact-grid > .na-card.na-reveal:nth-child(2),
.na-section .na-why-grid > .na-card.na-reveal:nth-child(2),
.na-section .na-legal-grid > .na-card.na-reveal:nth-child(2) {
  --reveal-delay: 0.14s;
}

.na-section .na-row-3 > .na-card.na-reveal:nth-child(3),
.na-section .na-impact-grid > .na-card.na-reveal:nth-child(3),
.na-section .na-why-grid > .na-card.na-reveal:nth-child(3),
.na-section .na-legal-grid > .na-card.na-reveal:nth-child(3) {
  --reveal-delay: 0.22s;
}

.na-section .na-impact-grid > .na-card.na-reveal:nth-child(4),
.na-section .na-why-grid > .na-card.na-reveal:nth-child(4) {
  --reveal-delay: 0.3s;
}

.na-section .na-impact-grid > .na-card.na-reveal:nth-child(5),
.na-section .na-why-grid > .na-card.na-reveal:nth-child(5) {
  --reveal-delay: 0.38s;
}

.na-section .na-impact-grid > .na-card.na-reveal:nth-child(6),
.na-section .na-why-grid > .na-card.na-reveal:nth-child(6) {
  --reveal-delay: 0.46s;
}

.na-section .na-split > div.na-reveal:nth-child(1) {
  --reveal-delay: 0.08s;
}

.na-section .na-split > div.na-reveal:nth-child(2) {
  --reveal-delay: 0.18s;
}

.na-section .na-faq details.na-reveal:nth-child(1) {
  --reveal-delay: 0.04s;
}

.na-section .na-faq details.na-reveal:nth-child(2) {
  --reveal-delay: 0.09s;
}

.na-section .na-faq details.na-reveal:nth-child(3) {
  --reveal-delay: 0.14s;
}

.na-section .na-faq details.na-reveal:nth-child(4) {
  --reveal-delay: 0.19s;
}

.na-section .na-faq details.na-reveal:nth-child(5) {
  --reveal-delay: 0.24s;
}

.na-section .na-faq details.na-reveal:nth-child(6) {
  --reveal-delay: 0.29s;
}

.na-section .na-faq details.na-reveal:nth-child(7) {
  --reveal-delay: 0.34s;
}

.na-section .na-faq details.na-reveal:nth-child(8) {
  --reveal-delay: 0.39s;
}

.na-section .na-faq details.na-reveal:nth-child(9) {
  --reveal-delay: 0.44s;
}

.na-section .na-faq details.na-reveal:nth-child(10) {
  --reveal-delay: 0.49s;
}

.na-footer__grid > div.na-reveal:nth-child(1) {
  --reveal-delay: 0.05s;
}

.na-footer__grid > div.na-reveal:nth-child(2) {
  --reveal-delay: 0.1s;
}

.na-footer__grid > div.na-reveal:nth-child(3) {
  --reveal-delay: 0.15s;
}

.na-footer__grid > div.na-reveal:nth-child(4) {
  --reveal-delay: 0.2s;
}

.na-label {
  display: block;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--na-accent);
  margin-bottom: 20px;
}

.na-label--left {
  text-align: left;
}

.na-h1 {
  position: relative;
  z-index: 1;
  isolation: isolate;
  font-size: clamp(3rem, 7.5vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: 16px;
  padding: 0.2em 0 0.35em;
  max-width: 100%;
}

.na-h2 {
  position: relative;
  z-index: 1;
  isolation: isolate;
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: 16px;
  padding: 0.15em 0 0.3em;
  max-width: 100%;
}

.na-h1[data-phantom],
.na-h2[data-phantom] {
  overflow-x: clip;
}

/* Фантом заголовка: крупнее, позади; смещение от скролла — --phantom-x / --phantom-y (site-ui.js) */
.na-h1[data-phantom]::before,
.na-h2[data-phantom]::before {
  content: attr(data-phantom);
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: -1;
  width: 100%;
  max-width: min(100%, 28ch);
  font-size: clamp(3.25rem, 14vw, 9rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  text-align: center;
  color: rgba(255, 255, 255, 0.07);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
  opacity: 0.28;
  transform: translate(calc(-50% + var(--phantom-x, 0px)), calc(-50% + var(--phantom-y, 0px)));
  animation: na-heading-phantom 18s ease-in-out infinite;
  will-change: transform;
}

.na-h1[data-phantom]::before {
  max-width: min(100%, 22ch);
  font-size: clamp(3.5rem, 16vw, 10rem);
}

.na-sub {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--na-muted);
  text-align: center;
  max-width: 52ch;
  margin: 0 auto 40px;
  line-height: 1.55;
}

/* Текстовые ссылки в контенте (не кнопки) */
.na-page .na-sub a:not(.btn2),
.na-page .na-faq-a a:not(.btn2),
.na-page .na-bullets a:not(.btn2),
.na-page .na-card__body a:not(.btn2) {
  color: #7dd3fc;
  text-decoration: none;
  border-bottom: 1px solid rgba(125, 211, 252, 0.35);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.na-page .na-sub a:not(.btn2):hover,
.na-page .na-faq-a a:not(.btn2):hover,
.na-page .na-bullets a:not(.btn2):hover,
.na-page .na-card__body a:not(.btn2):hover {
  color: #bae6fd;
  border-bottom-color: #38bdf8;
}

.na-sub--left {
  text-align: left;
  margin-left: 0;
}

.na-card {
  background: var(--na-card);
  border: 1px solid var(--na-border);
  border-radius: 24px;
  padding: 24px 28px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.na-card:hover {
  background: var(--na-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

.na-card__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--na-muted);
  margin-bottom: 8px;
}

.na-card__value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.na-card__body {
  font-size: 14px;
  color: var(--na-muted);
  line-height: 1.5;
  margin-top: 8px;
}

/* Чат-превью */
.na-chat-preview {
  max-width: 720px;
  margin: 0 auto;
}

.na-chat-window {
  background: var(--na-card);
  border: 1px solid var(--na-border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.na-chat-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--na-border);
  font-size: 13px;
  color: var(--na-muted);
}

.na-chat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
}

.na-chat-body {
  padding: 24px 20px 32px;
  min-height: 140px;
}

.na-chat-msg {
  display: inline-block;
  max-width: 85%;
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--na-border);
  font-size: 15px;
  line-height: 1.45;
}

/* Сетки */
.na-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.na-row-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .na-row-3 {
    grid-template-columns: 1fr;
  }
  .na-row-2 {
    grid-template-columns: 1fr;
  }
}

.na-topup {
  margin-top: 20px;
}

.na-features-head {
  margin-bottom: 48px;
}

.na-features-head .na-h2 {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Двухстрочный заголовок — фантом переносится, чуть меньше кегль */
.na-h2.na-h2--phantom-multiline[data-phantom]::before {
  white-space: normal;
  max-width: min(100%, 900px);
  width: min(100%, 900px);
  left: 50%;
  box-sizing: border-box;
  font-size: clamp(2.4rem, 9vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  top: 46%;
  transform: translate(calc(-50% + var(--phantom-x, 0px)), calc(-50% + var(--phantom-y, 0px)));
  overflow: hidden;
  text-overflow: clip;
}

/* Replace / Dashboard */
.na-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

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

.na-code {
  font-family: ui-monospace, 'Cascadia Code', monospace;
  font-size: 13px;
  line-height: 1.5;
  padding: 20px;
  background: #0a0a0a;
  border-radius: 16px;
  border: 1px solid var(--na-border);
  overflow-x: auto;
  color: #e4e4e7;
}

/* Список шагов вместо pre — нормальные переносы на мобильных */
.na-code--steps {
  overflow: visible;
  white-space: normal;
}

.na-code--steps .na-code__step {
  margin: 0 0 0.65em;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.na-code--steps .na-code__step:last-child {
  margin-bottom: 0;
}

.na-mock-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.na-mock-tab {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  color: var(--na-muted);
}

.na-mock-tab--on {
  background: #fff;
  color: #000;
}

.na-bullets {
  font-size: 14px;
  color: var(--na-muted);
  line-height: 1.6;
}

.na-bullets li {
  margin-bottom: 10px;
  margin-left: 1.2em;
}

/* Referral banner */
.na-referral {
  text-align: center;
  padding: 48px clamp(16px, 4vw, 32px);
  border-radius: 24px;
  border: 1px solid var(--na-border);
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.08) 0%, var(--na-card) 100%);
  max-width: 100%;
  box-sizing: border-box;
}

.na-referral .na-h2 {
  margin-bottom: 12px;
}

/* Why grid */
.na-why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

.na-why-card .na-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--na-text);
  margin-bottom: 8px;
}

/* Impact */
.na-impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

.na-stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--na-accent);
  margin-bottom: 4px;
}

/* Legal 3 col */
.na-legal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

/* Form */
.na-form {
  max-width: 560px;
  margin: 0 auto;
}

.na-field {
  margin-bottom: 18px;
}

.na-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--na-muted);
}

.na-field input,
.na-field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--na-border);
  background: #0a0a0a;
  color: var(--na-text);
  font-size: 15px;
  font-family: inherit;
}

.na-field textarea {
  min-height: 120px;
  resize: vertical;
}

.na-field small {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--na-muted);
}

.na-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s ease;
}

.na-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.na-btn--primary {
  background: #fff;
  color: #000;
}

.na-btn--primary:not(:disabled):hover {
  opacity: 0.92;
}

.na-btn--ghost {
  background: transparent;
  color: var(--na-text);
  border: 1px solid var(--na-border);
}

.na-form-note {
  font-size: 12px;
  color: var(--na-muted);
  margin-top: 16px;
  line-height: 1.45;
}

.na-form-note a {
  color: var(--na-accent);
}

/* FAQ */
.na-faq {
  max-width: 720px;
  margin: 0 auto;
}

.na-faq details {
  border: 1px solid var(--na-border);
  border-radius: 16px;
  margin-bottom: 10px;
  background: var(--na-card);
  overflow: hidden;
}

.na-faq summary {
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

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

.na-faq details[open] summary {
  border-bottom: 1px solid var(--na-border);
}

.na-faq .na-faq-a {
  padding: 16px 20px 20px;
  font-size: 14px;
  color: var(--na-muted);
  line-height: 1.55;
}

.na-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}

.na-cta-row a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.na-cta-row a:first-child {
  background: #fff;
  color: #000;
}

.na-cta-row a:last-child {
  background: transparent;
  color: var(--na-text);
  border: 1px solid var(--na-border);
}

.na-cta-row a:hover {
  opacity: 0.9;
}

.na-footer {
  border-top: 1px solid var(--na-border);
  padding: 48px 0 32px;
  margin-top: 24px;
  max-width: 100%;
  overflow-x: clip;
}

.na-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 40px;
  min-width: 0;
}

@media (max-width: 768px) {
  .na-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.na-footer__h {
  font-size: 13px;
  font-weight: 700;
  color: var(--na-text);
  margin-bottom: 14px;
}

.na-footer__list {
  list-style: none;
}

.na-footer__list li {
  margin-bottom: 10px;
}

.na-footer__list a {
  color: #7dd3fc;
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.na-footer__list a:hover {
  color: #bae6fd;
  border-bottom-color: rgba(56, 189, 248, 0.45);
}

.na-footer__text {
  margin-bottom: 32px;
}

.na-footer__p {
  font-size: 12px;
  line-height: 1.55;
  color: var(--na-muted);
  margin: 0 0 1rem;
}

.na-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--na-border);
  font-size: 13px;
  color: var(--na-muted);
  min-width: 0;
}

.na-footer__bottom > span:first-child {
  min-width: 0;
  flex: 1 1 200px;
}

.na-footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  justify-content: flex-end;
  min-width: 0;
  flex: 1 1 220px;
}

.na-footer__bottom a {
  color: #7dd3fc;
  text-decoration: none;
  border-bottom: 1px solid rgba(125, 211, 252, 0.3);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.na-footer__bottom a:hover {
  color: #bae6fd;
  border-bottom-color: #38bdf8;
}

/* Контакты: мессенджеры */
.na-contact .btn_block {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-top: 8px;
  margin-bottom: 8px;
}

.na-contact .btn2 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 14px;
  background: var(--my-base-color);
  color: #f8fafc !important;
  text-decoration: none !important;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  box-shadow: 0 8px 24px rgba(0, 25, 55, 0.35);
  transition: background 0.2s ease, transform 0.15s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.na-contact .btn2:hover {
  background: var(--my-light-color);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(0, 40, 85, 0.4);
}

.na-contact .btn2 img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .na-contact .btn_block {
    flex-direction: column;
    width: 100%;
  }

  .na-contact .btn2 {
    width: 100%;
    max-width: 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .na-section {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .na-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .na-footer {
    opacity: 1;
  }
  .na-h1[data-phantom]::before,
  .na-h2[data-phantom]::before {
    animation: none;
    opacity: 0.26;
    transform: translate(calc(-50% + var(--phantom-x, 0px)), calc(-50% + var(--phantom-y, 0px)));
  }

  .na-h2.na-h2--phantom-multiline[data-phantom]::before {
    transform: translate(calc(-50% + var(--phantom-x, 0px)), calc(-50% + var(--phantom-y, 0px)));
  }

  .na-ai-bg__lines,
  .na-ai-bg__dots,
  .na-ai-orb {
    animation: none;
  }

  .na-ai-orb__net {
    animation: none;
    opacity: 0.75;
  }

  .demo-page.hero::before,
  .demo-page.hero::after {
    animation: none;
  }
}