:root {
  color-scheme: dark;
  --background: #080808;
  --surface: #121213;
  --text: #f5f5f7;
  --muted: #a3a3a9;
  --line: #28282b;
  --accent: #3e88f7;
  --font:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-family: var(--font);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}
html {
  background: var(--background);
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}
body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
button {
  font: inherit;
}
button,
summary {
  touch-action: manipulation;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid #8cbbff;
  outline-offset: 5px;
}
main:focus {
  outline: none;
}
img {
  display: block;
  max-width: 100%;
}
figure {
  margin: 0;
}
svg {
  flex-shrink: 0;
}
[hidden] {
  display: none;
}
.shell {
  width: min(1160px, calc(100% - 80px));
  margin-inline: auto;
}
.icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-definitions {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 16px;
  padding: 14px 20px;
  border-radius: 10px;
  background: var(--text);
  color: var(--background);
  transform: translateY(-160%);
}
.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.header-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 10px;
  min-height: 44px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-inline: auto;
}
.site-nav a,
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  transition: color 150ms ease-out;
}
.site-nav a:hover,
.footer-links a:hover {
  color: var(--text);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  gap: 12px;
  padding: 0 18px;
  border-radius: 100px;
  background: #1d1d1f;
  box-shadow: 0 0 0 1px rgb(255 255 255 / 9%);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition:
    background-color 150ms ease-out,
    transform 150ms ease-out;
}
.header-cta:hover {
  background: #2b2b2e;
}
.header-cta .icon {
  width: 17px;
  height: 17px;
}

.hero {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  align-items: center;
  gap: 40px;
  padding-block: 52px 66px;
}
.hero-content {
  padding-block: 32px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 24px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.075em;
  line-height: 1.6;
  text-transform: uppercase;
}
.status-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 6px;
  border-radius: 50%;
  background: var(--accent);
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  margin-bottom: 0;
  font-size: clamp(44px, 5.5vw, 74px);
  font-weight: 550;
  line-height: 1.05;
  letter-spacing: -0.057em;
}
h1 span {
  color: #a7a7ac;
}
.hero-copy {
  max-width: 430px;
  margin-block: 28px 0;
  color: #b3b3b9;
  font-size: 18px;
  line-height: 1.65;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 22px;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  gap: 18px;
  padding: 14px 20px 14px 22px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  transition:
    background-color 150ms ease-out,
    transform 150ms ease-out;
}
.button-primary {
  background: var(--accent);
  color: #080d18;
}
.button-primary:hover {
  background: #65a1fa;
}
.button .icon {
  width: 19px;
  height: 19px;
  stroke-width: 2;
}
.button:active,
.header-cta:active,
.motion-control:active {
  transform: scale(0.96);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}
.text-link .icon {
  width: 18px;
  height: 18px;
  transition: transform 150ms ease-out;
}
.text-link:hover {
  text-decoration: underline;
}
.text-link:hover .icon {
  transform: translateX(3px);
}
.availability {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}
.hero-assurance {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 54px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}
.hero-assurance .icon {
  width: 16px;
  height: 16px;
}

.product-preview {
  min-width: 0;
}
.preview-scene {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 600px;
  place-items: center;
  padding: 28px;
  overflow: hidden;
  border-radius: 32px;
  background: #171718;
}
.preview-scene::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(180deg, rgb(8 8 8 / 6%), rgb(8 8 8 / 50%));
}
.ambient-video {
  position: absolute;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}
.product-preview > figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}
.phone {
  position: relative;
  width: 292px;
  max-width: 100%;
  padding: 9px 9px 0;
  overflow: hidden;
  border: 1px solid #505053;
  border-radius: 43px;
  background: #080808;
  box-shadow:
    0 2px 0 1px rgb(255 255 255 / 10%) inset,
    0 24px 60px rgb(0 0 0 / 48%);
}
.phone-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 34px;
  padding-inline: 19px 13px;
  font-size: 11px;
  font-weight: 650;
}
.dynamic-island {
  width: 75px;
  height: 22px;
  border-radius: 20px;
  background: #000;
}
.phone-indicators {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
}
.signal {
  width: 17px;
  height: 11px;
  fill: none;
  stroke: #eee;
  stroke-width: 2.5;
}
.battery {
  width: 20px;
  height: 9px;
  padding: 1px;
  border: 1px solid #aaa;
  border-radius: 3px;
}
.battery::before {
  content: "";
  display: block;
  width: 90%;
  height: 100%;
  border-radius: 1px;
  background: #eee;
}
.chat-header {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 63px;
  padding: 0 5px 8px;
}
.back-icon {
  width: 24px;
  height: 24px;
  transform: rotate(180deg);
}
.chat-title {
  flex: 1;
  text-align: center;
}
.chat-title strong {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 15px;
  font-weight: 600;
}
.chat-title strong .icon {
  width: 12px;
  height: 12px;
  color: #5bc58a;
}
.chat-title > span {
  display: block;
  margin-top: 3px;
  color: #94949b;
  font-size: 10px;
}
.chat-avatar {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: #284573;
  color: #dceaff;
  font-size: 13px;
  font-weight: 600;
}
.chat-content {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-height: 358px;
  padding: 0 8px 18px;
}
.chat-date {
  align-self: center;
  margin: 4px 0 8px;
  color: #96969e;
  font-size: 10px;
}
.bubble {
  position: relative;
  max-width: 89%;
  padding: 9px 10px 5px;
  border-radius: 15px;
  font-size: 12px;
  line-height: 1.35;
}
.bubble p {
  margin: 0;
}
.bubble-incoming,
.bubble-voice {
  align-self: flex-start;
  background: #222224;
  border-bottom-left-radius: 5px;
}
.bubble-outgoing {
  align-self: flex-end;
  background: #7663cc;
  border-bottom-right-radius: 5px;
}
.bubble-last {
  margin-top: 9px;
  background: #496dd8;
}
.sender {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
  font-weight: 600;
}
.sender-masha {
  color: #eaa5cb;
}
.sender-sasha {
  color: #e6c283;
}
.message-time {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 3px;
  margin-top: 3px;
  font-size: 8px;
  color: #c0c0c7;
}
.bubble-outgoing .message-time {
  color: #eee9ff;
}
.message-time .icon {
  width: 12px;
  height: 12px;
}
.bubble-voice {
  width: 215px;
}
.voice-content {
  display: flex;
  align-items: center;
  gap: 10px;
}
.voice-play {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
}
.voice-play .icon {
  width: 22px;
  height: 22px;
}
.waveform {
  width: 143px;
  height: 30px;
  fill: none;
  stroke: #b3b3b9;
  stroke-width: 2.5;
  stroke-linecap: round;
}
.voice-meta {
  display: flex;
  justify-content: space-between;
  margin: 3px 0 0 43px;
  color: #aaaab2;
  font-size: 9px;
}
.reaction {
  position: absolute;
  bottom: -12px;
  left: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 2px 6px;
  border: 2px solid #080808;
  border-radius: 20px;
  background: #303035;
  font-size: 11px;
}
.reaction > span {
  color: #ccc;
  font-size: 9px;
}
.chat-composer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 6px;
  color: #b7b7bd;
}
.chat-composer > span {
  flex: 1;
  padding: 9px 12px;
  border-radius: 20px;
  background: #1a1a1c;
  color: #8c8c94;
  font-size: 11px;
}
.chat-composer .icon {
  width: 20px;
  height: 20px;
}
.home-indicator {
  width: 98px;
  height: 4px;
  margin: 9px auto 8px;
  border-radius: 9px;
  background: #c6c6c9;
}
.motion-control {
  display: grid;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: #1d1d1f;
  color: white;
  cursor: pointer;
  transition:
    transform 150ms ease-out,
    background-color 150ms ease-out;
}
.motion-control[hidden] {
  display: none;
}
.motion-control:hover {
  background: #303034;
}
.motion-control .icon {
  width: 19px;
  height: 19px;
  display: block;
  transition:
    opacity 300ms cubic-bezier(0.2, 0, 0, 1),
    scale 300ms cubic-bezier(0.2, 0, 0, 1),
    filter 300ms cubic-bezier(0.2, 0, 0, 1);
}
.motion-icons {
  position: relative;
}
.motion-play {
  position: absolute;
  inset: 0;
}
.motion-control[data-paused="true"] .motion-pause,
.motion-control[data-paused="false"] .motion-play {
  opacity: 0;
  scale: 0.25;
  filter: blur(4px);
}
.motion-control[data-paused="false"] .motion-pause,
.motion-control[data-paused="true"] .motion-play {
  opacity: 1;
  scale: 1;
  filter: blur(0);
}

.section {
  padding-block: 96px;
}
.features-section {
  border-top: 1px solid var(--line);
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 44px;
  margin-bottom: 60px;
}
h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 3.65vw, 48px);
  font-weight: 550;
  line-height: 1.12;
  letter-spacing: -0.044em;
  text-wrap: balance;
}
.section-intro {
  margin-bottom: 1px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}
.feature {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.feature-icon {
  width: 27px;
  height: 27px;
  color: #87b3f7;
}
h3 {
  margin-block: 28px 12px;
  font-size: 21px;
  font-weight: 550;
  letter-spacing: -0.025em;
}
.feature p {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.feature-detail {
  margin-top: auto;
  color: #d2d2d7;
  font-size: 12px;
  line-height: 1.6;
}

.privacy-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 64px;
  padding: 64px;
  border-radius: 28px;
  background: var(--surface);
}
.privacy-copy > p:not(.eyebrow) {
  max-width: 425px;
  margin-block: 24px 20px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}
.privacy-copy > .text-link {
  font-size: 14px;
}
.encryption-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  padding-block: 16px;
}
.encrypted-note {
  position: relative;
  width: min(100%, 280px);
  padding: 24px 24px 36px;
  border-radius: 20px;
  background: #1b1b1e;
  box-shadow: 0 0 0 1px rgb(255 255 255 / 8%);
}
.note-label {
  display: block;
  margin-bottom: 18px;
  color: #c4c4cb;
  font-size: 12px;
}
.cipher-text {
  color: #8a8a93;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.03em;
}
.encryption-lock {
  position: absolute;
  right: 18px;
  bottom: -24px;
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  border: 6px solid var(--surface);
  border-radius: 50%;
  background: var(--accent);
  color: #080d18;
}
.encryption-lock .icon {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}
.encryption-visual > figcaption {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 48px;
  color: #d5d5db;
  font-size: 12px;
  white-space: nowrap;
}
.encryption-line {
  width: 22px;
  height: 1px;
  background: #46464d;
}
.encryption-visual > p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
  line-height: 1.6;
}

.faq-section {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr;
  gap: 80px;
  padding-block: 112px;
}
.faq-heading h2 {
  font-size: clamp(32px, 3vw, 40px);
}
.faq-heading > p:last-child {
  margin-block: 24px 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}
.faq-heading .text-link {
  color: var(--text);
}
.faq-list {
  border-top: 1px solid var(--line);
}
details {
  border-bottom: 1px solid var(--line);
}
summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 81px;
  gap: 22px;
  padding: 20px 0;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
}
summary::-webkit-details-marker {
  display: none;
}
summary .icon {
  width: 20px;
  height: 20px;
  color: var(--muted);
  transition:
    transform 150ms ease-out,
    color 150ms ease-out;
}
summary:hover .icon {
  color: var(--text);
}
details[open] summary .icon {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 32px 24px 0;
}
.faq-answer p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.faq-answer a {
  color: #a4c9ff;
}

.download-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 52px 0 64px;
  border-top: 1px solid var(--line);
}
.download-section .eyebrow {
  margin-bottom: 16px;
}
.download-section h2 {
  font-size: clamp(32px, 3.65vw, 46px);
}
.download-section p:last-child {
  margin-block: 18px 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}
.download-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  gap: 14px;
}
.download-action > span {
  color: var(--muted);
  font-size: 12px;
}
.site-footer {
  display: flex;
  align-items: center;
  min-height: 110px;
  gap: 24px;
  border-top: 1px solid var(--line);
}
.site-footer .brand {
  gap: 8px;
  font-size: 13px;
}
.copyright {
  color: var(--muted);
  font-size: 12px;
}
.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-left: auto;
}
.footer-links a {
  font-size: 12px;
}

@media (min-width: 1500px) {
  .hero {
    padding-block: 68px 82px;
  }
}

@media (max-width: 1000px) {
  .shell {
    width: calc(100% - 48px);
  }
  .header-inner {
    gap: 20px;
  }
  .site-nav {
    gap: 20px;
  }
  .hero {
    grid-template-columns: 1.1fr 1fr;
    gap: 24px;
    padding-block: 36px 52px;
  }
  .hero .eyebrow {
    max-width: 270px;
    font-size: 10px;
  }
  h1 {
    font-size: clamp(40px, 5.8vw, 58px);
  }
  .hero-copy {
    font-size: 16px;
  }
  .hero-assurance {
    margin-top: 30px;
  }
  .preview-scene {
    min-height: 560px;
    padding: 20px 16px;
    border-radius: 26px;
  }
  .features {
    gap: 28px;
  }
  .section {
    padding-block: 72px;
  }
  .privacy-section {
    padding: 40px;
    gap: 40px;
  }
  .faq-section {
    gap: 40px;
    padding-block: 80px;
  }
}

@media (max-width: 740px) {
  html {
    scroll-padding-top: 92px;
  }
  .shell {
    width: calc(100% - 40px);
  }
  .header-inner {
    min-height: 76px;
    justify-content: space-between;
  }
  .brand {
    font-size: 16px;
  }
  .brand img {
    width: 31px;
    height: 31px;
  }
  .site-nav {
    display: none;
  }
  .header-cta {
    min-height: 44px;
    padding-inline: 14px;
    font-size: 12px;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-block: 52px;
  }
  .hero-content {
    padding: 0;
  }
  .hero .eyebrow {
    max-width: none;
    margin-bottom: 22px;
  }
  h1 {
    font-size: clamp(40px, 8.6vw, 62px);
    letter-spacing: -0.052em;
  }
  .hero-copy {
    max-width: 450px;
    margin-top: 22px;
    font-size: 16px;
    line-height: 1.7;
  }
  .hero-actions {
    gap: 12px 22px;
    margin-top: 28px;
  }
  .availability {
    font-size: 11px;
  }
  .hero-assurance {
    margin-top: 24px;
    font-size: 11px;
  }
  .product-preview {
    width: min(100%, 480px);
    justify-self: center;
  }
  .preview-scene {
    min-height: 574px;
    padding: 24px 16px;
  }
  .product-preview > figcaption {
    font-size: 10px;
  }
  .section {
    padding-block: 60px;
  }
  .eyebrow {
    margin-bottom: 20px;
    font-size: 10px;
  }
  h2 {
    font-size: clamp(32px, 6.6vw, 42px);
  }
  .section-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
    margin-bottom: 38px;
  }
  .section-intro {
    font-size: 15px;
  }
  .features {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .feature {
    padding-top: 26px;
  }
  h3 {
    margin-top: 20px;
  }
  .feature p {
    max-width: 520px;
    margin-bottom: 16px;
  }
  .privacy-section {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 32px 24px 36px;
    border-radius: 24px;
  }
  .privacy-copy > p:not(.eyebrow) {
    max-width: 100%;
    font-size: 15px;
  }
  .privacy-copy > .text-link {
    font-size: 13px;
  }
  .encryption-visual {
    padding-top: 20px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-block: 68px;
  }
  .faq-heading > p:last-child {
    margin-top: 20px;
  }
  summary {
    min-height: 76px;
    gap: 18px;
    font-size: 15px;
  }
  .faq-answer {
    padding-right: 8px;
  }
  .download-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    padding-block: 40px 48px;
  }
  .download-section p:last-child {
    font-size: 15px;
  }
  .download-action {
    align-items: flex-start;
  }
  .site-footer {
    flex-wrap: wrap;
    gap: 10px 20px;
    padding-block: 24px;
  }
  .copyright {
    margin-left: auto;
  }
  .footer-links {
    width: 100%;
    margin-left: 0;
    gap: 24px;
  }
  .footer-links a {
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .shell {
    width: calc(100% - 32px);
  }
  .hero {
    padding-top: 38px;
  }
  h1 {
    font-size: 37px;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
  .preview-scene {
    padding: 24px 8px;
  }
  .phone {
    padding-inline: 6px;
    border-radius: 36px;
  }
  .chat-content {
    padding-inline: 5px;
  }
  .privacy-section {
    padding-inline: 20px;
  }
  .cipher-text {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button,
  .header-cta,
  .motion-control,
  .motion-control .icon,
  .site-nav a,
  .footer-links a,
  .text-link .icon,
  summary .icon {
    transition: none;
  }
  .button:active,
  .header-cta:active,
  .motion-control:active,
  .text-link:hover .icon {
    transform: none;
  }
}