:root {
  color-scheme: dark;
  --bg: #070b0d;
  --surface: #0b1113;
  --surface-light: #10191a;
  --line: rgba(255, 255, 255, 0.1);
  --text: #f4f7f6;
  --muted: #a3afac;
  --accent: #4ee0a2;
  --accent-blue: #39c9c3;
  --shell: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.shell {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(4, 8, 10, 0.58);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
}

.brand-name {
  font-size: 21px;
  font-weight: 660;
  letter-spacing: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5px;
  border: 1px solid rgba(78, 224, 162, 0.32);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(78, 224, 162, 0.18), rgba(57, 201, 195, 0.06));
}

.brand-mark span {
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-blue));
}

.brand-mark span:nth-child(1),
.brand-mark span:nth-child(5) {
  height: 8px;
}

.brand-mark span:nth-child(2),
.brand-mark span:nth-child(4) {
  height: 14px;
}

.brand-mark span:nth-child(3) {
  height: 20px;
}

.main-nav,
.footer-nav {
  display: flex;
  gap: 28px;
}

.main-nav a,
.footer-nav a {
  color: #c5cecc;
  font-size: 14px;
  font-weight: 520;
  text-decoration: none;
}

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

.hero {
  position: relative;
  min-height: calc(100svh - 18px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #04080a;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(4, 8, 10, 0.98) 0%, rgba(4, 8, 10, 0.88) 31%, rgba(4, 8, 10, 0.18) 66%, rgba(4, 8, 10, 0.08) 100%),
    linear-gradient(0deg, rgba(4, 8, 10, 0.48) 0%, transparent 38%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  min-height: calc(100svh - 18px);
  display: flex;
  align-items: center;
  padding-block: 136px 80px;
}

.hero-copy {
  width: min(54%, 610px);
}

.eyebrow {
  margin: 0 0 17px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 720;
  line-height: 1.3;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(62px, 9vw, 108px);
  font-weight: 690;
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-tagline {
  max-width: 590px;
  margin: 30px 0 0;
  color: #e7edeb;
  font-size: clamp(25px, 3.2vw, 38px);
  font-weight: 580;
  line-height: 1.2;
}

.hero-description {
  max-width: 550px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border-radius: 8px;
  font-weight: 660;
  line-height: 1;
  text-decoration: none;
}

.primary-action {
  padding: 0 21px;
  background: var(--accent);
  color: #032016;
}

.primary-action:hover,
.primary-action:focus-visible {
  background: #70eab6;
}

.primary-action i,
.secondary-action i {
  font-size: 13px;
}

.device-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #c5cecc;
  font-size: 14px;
}

.device-note i {
  font-size: 19px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  align-items: end;
  gap: 100px;
  padding-block: 130px 110px;
}

.section-heading h2,
.privacy-copy h2,
.export-inner h2,
.closing h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: 0;
}

.intro-copy {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 18px;
}

.feature-band {
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature {
  min-height: 340px;
  padding: 54px 42px;
  border-right: 1px solid var(--line);
}

.feature:first-child {
  border-left: 1px solid var(--line);
}

.feature > i {
  color: var(--accent);
  font-size: 27px;
}

.feature-number {
  margin: 50px 0 8px;
  color: #596462;
  font-size: 12px;
  font-weight: 700;
}

.feature h3 {
  margin: 0 0 14px;
  font-size: 23px;
  font-weight: 630;
  line-height: 1.25;
}

.feature p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.privacy-section {
  min-height: 680px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 100px;
  padding-block: 110px;
}

.privacy-visual {
  position: relative;
  width: min(100%, 430px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.privacy-ring {
  position: absolute;
  border: 1px solid rgba(78, 224, 162, 0.22);
  border-radius: 50%;
}

.ring-one {
  inset: 8%;
}

.ring-two {
  inset: 25%;
  border-color: rgba(57, 201, 195, 0.28);
  background: rgba(78, 224, 162, 0.025);
}

.privacy-core {
  width: 108px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(78, 224, 162, 0.4);
  border-radius: 50%;
  background: var(--surface-light);
  color: var(--accent);
  font-size: 37px;
  box-shadow: 0 0 60px rgba(78, 224, 162, 0.08);
}

.privacy-status {
  position: absolute;
  right: 4%;
  bottom: 19%;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  border: 1px solid rgba(78, 224, 162, 0.28);
  border-radius: 7px;
  background: #0d1716;
  color: #dbe6e2;
  font-size: 13px;
  font-weight: 620;
}

.privacy-status i {
  color: var(--accent);
}

.privacy-copy > p:not(.eyebrow) {
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.privacy-points {
  display: flex;
  flex-wrap: wrap;
  gap: 13px 26px;
  margin-top: 30px;
  color: #dce5e2;
  font-size: 14px;
}

.privacy-points i {
  margin-right: 7px;
  color: var(--accent);
  font-size: 11px;
}

.export-section {
  border-block: 1px solid var(--line);
  background:
    linear-gradient(110deg, rgba(78, 224, 162, 0.06), transparent 40%),
    var(--surface);
}

.export-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 100px;
  padding-block: 100px;
}

.export-inner h2 {
  font-size: clamp(35px, 4.5vw, 52px);
}

.formats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.format {
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.format-name {
  color: var(--accent);
  font-size: 22px;
  font-weight: 720;
}

.closing {
  min-height: 390px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding-block: 90px;
}

.secondary-action {
  min-width: 160px;
  padding: 0 20px;
  border: 1px solid rgba(78, 224, 162, 0.42);
  color: var(--accent);
}

.secondary-action:hover,
.secondary-action:focus-visible {
  border-color: var(--accent);
  background: rgba(78, 224, 162, 0.08);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #050809;
}

.footer-inner {
  min-height: 210px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 28px 55px;
  padding-block: 42px;
}

.brand-mark-small {
  width: 28px;
  height: 28px;
}

.footer-brand .brand-name {
  font-size: 18px;
}

.footer-inner p {
  margin: 8px 0 0;
  color: #788381;
  font-size: 14px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.footer-contact a {
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
}

.footer-contact a:hover,
.footer-contact a:focus-visible {
  color: var(--text);
}

.footer-inner .copyright {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

@media (max-width: 820px) {
  .hero-shade {
    background:
      linear-gradient(90deg, rgba(4, 8, 10, 0.96) 0%, rgba(4, 8, 10, 0.78) 55%, rgba(4, 8, 10, 0.2) 100%),
      linear-gradient(0deg, rgba(4, 8, 10, 0.7) 0%, transparent 50%);
  }

  .hero-image {
    object-position: 58% center;
  }

  .hero-copy {
    width: min(72%, 590px);
  }

  .intro,
  .privacy-section,
  .export-inner {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .intro {
    padding-block: 96px;
  }

  .intro-copy {
    max-width: 620px;
  }

  .feature {
    padding-inline: 25px;
  }

  .privacy-section {
    justify-items: center;
  }

  .privacy-copy {
    max-width: 640px;
  }

  .export-inner {
    padding-block: 84px;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
  }

  .footer-contact {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  .shell {
    width: min(calc(100% - 36px), var(--shell));
  }

  .header-inner {
    min-height: 64px;
  }

  .main-nav a:first-child {
    display: none;
  }

  .hero,
  .hero-inner {
    min-height: calc(100svh - 14px);
  }

  .hero-inner {
    align-items: flex-end;
    padding-block: 110px 64px;
  }

  .hero-image {
    height: 70%;
    object-position: 63% center;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, #04080a 7%, rgba(4, 8, 10, 0.89) 47%, rgba(4, 8, 10, 0.18) 100%),
      linear-gradient(90deg, rgba(4, 8, 10, 0.62), transparent);
  }

  .hero-copy {
    width: 100%;
  }

  .hero h1 {
    font-size: 62px;
  }

  .hero-tagline {
    max-width: 360px;
    margin-top: 21px;
    font-size: 27px;
  }

  .hero-description {
    max-width: 470px;
    margin-top: 17px;
    font-size: 16px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    margin-top: 26px;
  }

  .intro {
    gap: 34px;
    padding-block: 78px;
  }

  .section-heading h2,
  .privacy-copy h2,
  .closing h2 {
    font-size: 39px;
  }

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

  .feature,
  .feature:first-child {
    min-height: 260px;
    padding: 39px 25px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .feature:last-child {
    border-bottom: 0;
  }

  .feature-number {
    margin-top: 31px;
  }

  .privacy-section {
    min-height: 0;
    gap: 48px;
    padding-block: 78px;
  }

  .privacy-visual {
    max-width: 330px;
  }

  .privacy-status {
    right: 0;
  }

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

  .format {
    min-height: 92px;
  }

  .closing {
    min-height: 340px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 35px;
    padding-block: 70px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 30px;
  }

  .footer-contact,
  .footer-inner .copyright {
    grid-column: auto;
  }
}

@media (max-width: 380px) {
  .shell {
    width: min(calc(100% - 28px), var(--shell));
  }

  .hero h1 {
    font-size: 54px;
  }

  .hero-tagline {
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}