:root {
  --bg: #05080b;
  --bg-strong: #020405;
  --surface: rgba(10, 18, 24, 0.82);
  --surface-solid: #0b141b;
  --line: rgba(136, 166, 184, 0.22);
  --line-strong: rgba(28, 179, 255, 0.45);
  --text: #f4f8fa;
  --muted: #aebdc6;
  --soft: #70808a;
  --blue: #1cb3ff;
  --green: #4fe38b;
  --amber: #f2b84b;
  --red: #ff5d58;
  --radius: 8px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(7, 15, 20, 0.18), var(--bg) 710px),
    radial-gradient(circle at 14% 16%, rgba(28, 179, 255, 0.16), transparent 24%),
    radial-gradient(circle at 86% 18%, rgba(79, 227, 139, 0.12), transparent 22%),
    linear-gradient(135deg, #020405 0%, #09121a 52%, #070b0d 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(124, 156, 174, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 156, 174, 0.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, black, transparent 78%);
}

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

img {
  display: block;
  max-width: 100%;
}

.page {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(4, 8, 11, 0.78);
  backdrop-filter: blur(18px);
}

.nav-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-size: 1.04rem;
  font-weight: 900;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  box-shadow: 0 0 26px rgba(28, 179, 255, 0.2);
}

.brand span {
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a {
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: #fff;
  background: rgba(28, 179, 255, 0.12);
}

.hero-shell {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  min-height: calc(100svh - 74px);
  display: grid;
  align-items: end;
}

.hero-shell::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(28, 179, 255, 0.72), transparent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(340px, 0.72fr);
  gap: 54px;
  align-items: end;
  padding: 86px 0 74px;
}

.hero-copy {
  max-width: 770px;
  padding-bottom: 18px;
}

.eyebrow,
.kicker {
  color: #d8f4ff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 850;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  padding: 9px 12px;
  border: 1px solid rgba(28, 179, 255, 0.32);
  border-radius: var(--radius);
  background: rgba(28, 179, 255, 0.1);
}

.eyebrow i {
  color: var(--green);
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(3.1rem, 6vw, 5.7rem);
  line-height: 1.02;
  letter-spacing: 0;
  font-weight: 950;
  text-wrap: balance;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.55rem);
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 900;
  text-wrap: balance;
}

h3 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.24;
}

p {
  line-height: 1.68;
}

.hero-lede {
  max-width: 690px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-weight: 850;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.btn.primary {
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(28, 179, 255, 0.38), rgba(0, 86, 151, 0.34));
  box-shadow: 0 20px 60px rgba(28, 179, 255, 0.16);
}

.btn.secondary {
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.055);
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 620px;
  margin-top: 38px;
}

.signal,
.feature,
.unlock-panel,
.status-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.signal {
  padding: 15px;
}

.signal strong {
  display: block;
  color: var(--green);
  font-size: 1.36rem;
}

.signal span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.84rem;
}

.hero-visual {
  position: relative;
  min-height: 690px;
  display: grid;
  align-items: end;
  justify-items: center;
}

.phone-frame {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  background: #050607;
  border: 10px solid #11171b;
  box-shadow: var(--shadow), 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.phone-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-phone {
  width: min(360px, 78vw);
  aspect-ratio: 1206 / 2622;
  transform: rotate(3deg);
}

.status-panel {
  position: absolute;
  left: 0;
  bottom: 72px;
  width: min(310px, 78vw);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  backdrop-filter: blur(16px);
}

.status-panel strong,
.status-panel span {
  display: block;
}

.status-panel span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.pulse {
  width: 13px;
  height: 13px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(79, 227, 139, 0.5);
  animation: pulse 1.65s infinite;
  flex: 0 0 auto;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 13px rgba(79, 227, 139, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(79, 227, 139, 0);
  }
}

.section {
  padding: 92px 0;
}

.section-head {
  max-width: 800px;
  margin-bottom: 34px;
}

.section-head p:last-child,
.showcase-copy p,
.split p,
.final-copy p {
  color: var(--muted);
  font-size: 1.06rem;
}

.kicker {
  margin: 0 0 12px;
  color: var(--green);
}

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

.feature {
  padding: 22px;
}

.feature i {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: var(--radius);
  color: #071018;
  background: linear-gradient(135deg, var(--green), var(--blue));
}

.feature p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.showcase-band {
  padding: 96px 0;
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.035), rgba(28, 179, 255, 0.07));
}

.showcase-grid,
.safety-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(0, 1fr);
  gap: 50px;
  align-items: center;
}

.steps {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.steps div {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.steps span {
  color: var(--amber);
  font-weight: 900;
}

.screenshot-wall {
  min-height: 560px;
  position: relative;
}

.screenshot-wall .phone-frame {
  position: absolute;
  width: min(255px, 42vw);
  aspect-ratio: 1206 / 2622;
}

.screenshot-wall .phone-frame:nth-child(1) {
  left: 0;
  top: 26px;
  transform: rotate(-5deg);
}

.screenshot-wall .phone-frame:nth-child(2) {
  left: 31%;
  top: 0;
  z-index: 2;
}

.screenshot-wall .phone-frame:nth-child(3) {
  right: 0;
  top: 44px;
  transform: rotate(5deg);
}

.split {
  padding: 86px 0;
}

.unlock-panel {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 22px;
}

.unlock-panel img {
  width: 96px;
  height: 96px;
  border-radius: var(--radius);
}

.unlock-panel strong,
.unlock-panel span {
  display: block;
}

.unlock-panel strong {
  font-size: 1.34rem;
}

.unlock-panel span {
  margin-top: 8px;
  color: var(--muted);
}

.safety-band {
  padding: 84px 0;
  background: linear-gradient(135deg, rgba(255, 93, 88, 0.08), rgba(242, 184, 75, 0.08));
  border-block: 1px solid rgba(255, 255, 255, 0.08);
}

.notice-list {
  display: grid;
  gap: 12px;
}

.notice-list p {
  margin: 0;
  padding: 15px 0 15px 18px;
  border-left: 3px solid rgba(242, 184, 75, 0.8);
  color: var(--muted);
  background: rgba(0, 0, 0, 0.12);
}

.final-cta {
  padding: 96px 0;
  text-align: center;
}

.final-copy {
  max-width: 760px;
  margin: 0 auto;
}

.final-copy img {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  border-radius: var(--radius);
}

.final-copy .btn {
  margin-top: 16px;
}

.footer {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--soft);
}

.footer a {
  color: var(--muted);
}

.reveal {
  opacity: 1;
  transform: none;
  transition: transform 0.48s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .pulse {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 960px) {
  .hero,
  .showcase-grid,
  .safety-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 58px;
  }

  .hero-visual {
    min-height: 590px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .screenshot-wall {
    min-height: 520px;
  }
}

@media (max-width: 720px) {
  .page {
    width: min(100% - 28px, 1180px);
  }

  .nav-inner {
    min-height: 66px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .hero-shell {
    min-height: auto;
  }

  .hero {
    gap: 28px;
    padding: 44px 0 52px;
  }

  h1 {
    font-size: clamp(2.55rem, 14vw, 4rem);
  }

  .actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .signal-row {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 505px;
  }

  .hero-phone {
    width: min(285px, 78vw);
  }

  .status-panel {
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
  }

  .section,
  .showcase-band,
  .split,
  .safety-band,
  .final-cta {
    padding: 64px 0;
  }

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

  .screenshot-wall {
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .screenshot-wall .phone-frame {
    position: relative;
    inset: auto;
    width: min(300px, 78vw);
    margin: 0 auto;
    transform: none !important;
  }

  .screenshot-wall .phone-frame:nth-child(1),
  .screenshot-wall .phone-frame:nth-child(2),
  .screenshot-wall .phone-frame:nth-child(3) {
    left: auto;
    right: auto;
    top: auto;
  }

  .unlock-panel {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .unlock-panel img {
    width: 72px;
    height: 72px;
  }

  .footer {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 380px) {
  .brand span {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-cta {
    padding: 0 10px;
  }
}