:root {
  color-scheme: dark;
  --bg: #03060d;
  --panel: rgba(9, 14, 24, 0.82);
  --panel-strong: rgba(13, 20, 34, 0.95);
  --line: rgba(159, 185, 255, 0.15);
  --line-strong: rgba(117, 147, 255, 0.32);
  --text: #f5f7ff;
  --muted: #9ca8bd;
  --soft: #cbd5ea;
  --cyan: #28d8ff;
  --blue: #3b64ff;
  --violet: #8c5cff;
  --green: #38e7bd;
  --sidebar: 246px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 0%, rgba(42, 90, 255, 0.18), transparent 34rem),
    linear-gradient(135deg, #03060d 0%, #050914 54%, #07070d 100%);
  font: 15px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button,
select,
input {
  font: inherit;
}

.mobile-header {
  display: none;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 20;
  width: var(--sidebar);
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 24px;
  padding: 28px 22px 20px;
  border-right: 1px solid var(--line);
  background: rgba(4, 8, 16, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 52px;
  height: 52px;
  object-fit: cover;
}

.brand strong {
  display: block;
  font-size: 20px;
  letter-spacing: 0;
}

.brand small,
.language-box p,
.sidebar-footer {
  color: var(--muted);
  font-size: 12px;
}

.nav-list {
  display: grid;
  gap: 7px;
  align-content: start;
}

.nav-list a {
  display: grid;
  grid-template-columns: 24px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--soft);
}

.nav-list a span {
  color: #b8c6e6;
  font-size: 15px;
}

.nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
}

.nav-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-list a.active,
.nav-list a:hover {
  color: var(--text);
  border-color: rgba(89, 112, 255, 0.28);
  background: linear-gradient(135deg, rgba(57, 87, 255, 0.28), rgba(12, 18, 32, 0.88));
}

.language-box {
  display: grid;
  gap: 9px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 12, 22, 0.72);
}

.language-box label {
  color: var(--muted);
  font-size: 12px;
}

.language-box select {
  width: 100%;
  color: var(--text);
  background: #070d18;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.page {
  min-height: 100vh;
  margin-left: var(--sidebar);
}

.topbar {
  position: fixed;
  top: 22px;
  right: 30px;
  z-index: 15;
}

.login-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(5, 10, 19, 0.72);
  color: var(--soft);
  backdrop-filter: blur(14px);
}

.contact-email {
  margin-top: 14px;
  color: var(--text);
  font-weight: 750;
}

.contact-note {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(420px, 0.9fr) minmax(360px, 1.1fr);
  align-items: center;
  gap: 24px;
  min-height: 620px;
  padding: 88px clamp(34px, 5vw, 70px) 52px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 35% 50%, rgba(48, 84, 255, 0.15), transparent 22rem),
    radial-gradient(circle at 85% 42%, rgba(40, 216, 255, 0.12), transparent 28rem);
  pointer-events: none;
}

.hero-copy,
.hero-visual {
  position: relative;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin: 0 0 22px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #b9c6ff;
  background: rgba(8, 14, 26, 0.66);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.1em;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(78px, 9vw, 128px);
  line-height: 0.82;
  letter-spacing: 0;
}

.hero h2 {
  margin-top: 24px;
  font-size: clamp(33px, 4.1vw, 56px);
  line-height: 1.06;
  letter-spacing: 0;
}

.hero h2 span {
  color: #7e8cff;
}

.lead {
  max-width: 610px;
  margin-top: 22px;
  color: var(--soft);
  font-size: 18px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 800;
}

.button.primary {
  background: linear-gradient(135deg, #2f77ff, #7358ff);
  box-shadow: 0 16px 42px rgba(62, 91, 255, 0.36);
}

.button.secondary,
.button.ghost {
  border: 1px solid var(--line-strong);
  background: rgba(8, 14, 26, 0.74);
  color: var(--soft);
}

.button.ghost {
  color: #8deedb;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 28px;
  color: var(--muted);
}

.trust-row span::before {
  content: "◆";
  margin-right: 8px;
  color: var(--green);
}

.hero-teaser {
  max-width: 560px;
  margin-top: 24px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 14, 26, 0.7);
}

.hero-teaser div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.hero-teaser strong {
  font-size: 18px;
}

.hero-teaser span,
.hero-teaser li {
  color: var(--soft);
}

.hero-teaser ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 14px;
  margin: 12px 0 10px;
  padding-left: 18px;
}

.hero-teaser a {
  color: #8deedb;
  font-weight: 800;
}

.hero-visual {
  min-height: 430px;
  filter: drop-shadow(0 0 24px rgba(44, 151, 255, 0.28));
}

.light-wing {
  position: absolute;
  top: 42%;
  left: 4%;
  width: 104%;
  height: 180px;
  border-radius: 50%;
  border-top: 3px solid rgba(68, 231, 255, 0.9);
  transform-origin: 50% 50%;
  filter: blur(0.2px);
}

.wing-a {
  transform: rotate(11deg) skewX(-22deg);
  box-shadow:
    0 -8px 24px rgba(40, 216, 255, 0.7),
    0 -16px 54px rgba(90, 81, 255, 0.58);
}

.wing-b {
  top: 45%;
  border-color: rgba(118, 90, 255, 0.88);
  transform: rotate(-12deg) skewX(21deg);
  opacity: 0.92;
  box-shadow:
    0 -7px 24px rgba(91, 100, 255, 0.75),
    0 -20px 70px rgba(40, 216, 255, 0.3);
}

.wing-c {
  top: 49%;
  left: 12%;
  width: 82%;
  border-color: rgba(52, 242, 209, 0.65);
  transform: rotate(4deg) skewX(-16deg);
  opacity: 0.56;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero-visual::before {
  inset: 18% 8% 8% 10%;
  background: radial-gradient(circle at 46% 52%, rgba(127, 93, 255, 0.32), transparent 8rem);
  filter: blur(18px);
}

.hero-visual::after {
  top: 20%;
  left: 17%;
  width: 74%;
  height: 56%;
  background:
    repeating-radial-gradient(ellipse at 52% 60%, rgba(53, 127, 255, 0.18) 0 1px, transparent 1px 10px);
  transform: rotate(8deg);
  opacity: 0.72;
  mask-image: radial-gradient(ellipse at center, #000 0%, transparent 74%);
}

.star-field {
  position: absolute;
  inset: 10% 0;
  background:
    radial-gradient(circle at 16% 22%, rgba(255, 255, 255, 0.8) 0 1px, transparent 2px),
    radial-gradient(circle at 38% 10%, rgba(124, 149, 255, 0.7) 0 1px, transparent 2px),
    radial-gradient(circle at 70% 28%, rgba(255, 255, 255, 0.75) 0 1px, transparent 2px),
    radial-gradient(circle at 83% 61%, rgba(77, 214, 170, 0.8) 0 1px, transparent 2px);
  opacity: 0.46;
}

.difference-card {
  position: absolute;
  right: 2%;
  bottom: 5%;
  width: min(430px, 92%);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 12, 22, 0.78);
  backdrop-filter: blur(12px);
}

.difference-card .pill {
  margin-bottom: 12px;
}

.flow-row {
  padding: 12px;
  border: 1px solid rgba(159, 185, 255, 0.12);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}

.flow-row + .flow-row {
  margin-top: 10px;
}

.flow-row.active {
  color: var(--text);
  border-color: rgba(56, 231, 189, 0.32);
  background: rgba(56, 231, 189, 0.09);
}

.stats-strip {
  margin: 0 clamp(24px, 4vw, 54px) 30px;
  padding: 22px 28px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(9, 14, 24, 0.72);
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.stats-strip article {
  min-width: 0;
}

.stats-strip strong {
  display: block;
  font-size: clamp(23px, 2.4vw, 34px);
  line-height: 1;
}

.stats-strip span,
.stats-strip p {
  color: var(--muted);
  font-size: 13px;
}

.stats-strip p {
  grid-column: 1 / -1;
  text-align: center;
}

.feature-section,
.split-band,
.access-grid,
.faq,
.contact {
  margin: 0 clamp(24px, 4vw, 54px);
}

.section-heading {
  text-align: center;
  padding: 28px 0 22px;
}

.section-heading h2,
.split-band h2,
.contact h2 {
  margin: 0 auto;
  max-width: 720px;
  font-size: clamp(30px, 3.8vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.app-section {
  margin-top: 36px;
}

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

.feature-card,
.access-card,
.app-card,
.beta-panel {
  min-height: 178px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.app-card {
  display: grid;
  align-content: start;
  gap: 14px;
}

.app-card-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.app-card p {
  color: var(--muted);
}

.status-badge {
  flex: 0 0 auto;
  min-height: 26px;
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: #dce6ff;
  background: rgba(58, 93, 255, 0.18);
  font-size: 12px;
  font-weight: 800;
}

.status-badge.beta {
  color: #abf8e8;
  border-color: rgba(56, 231, 189, 0.34);
  background: rgba(56, 231, 189, 0.12);
}

.status-badge.soon {
  color: #ffdda8;
  border-color: rgba(255, 188, 87, 0.34);
  background: rgba(255, 188, 87, 0.12);
}

.text-link {
  justify-self: start;
  margin-top: 4px;
  color: #8deedb;
  font-weight: 800;
}

.beta-panel {
  min-height: auto;
  margin: 18px clamp(24px, 4vw, 54px) 0;
  color: var(--soft);
}

.beta-panel strong {
  display: block;
  margin-bottom: 4px;
}

.feature-card span {
  display: block;
  margin-bottom: 22px;
  color: var(--green);
  font-size: 34px;
}

h3 {
  font-size: 21px;
  line-height: 1.18;
}

.feature-card p,
.access-card p,
.split-band p,
.faq p {
  margin-top: 12px;
  color: var(--muted);
}

.split-band {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
  margin-top: 44px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(20, 40, 78, 0.45), rgba(10, 14, 24, 0.78));
}

.access-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.planned-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.planned-buttons button {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}

.beta-form {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}

.beta-form label {
  display: grid;
  gap: 7px;
  color: var(--soft);
  font-weight: 700;
}

.beta-form input {
  min-height: 44px;
  width: 100%;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 12, 22, 0.9);
  padding: 0 12px;
}

.faq {
  margin-top: 42px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(9, 14, 24, 0.66);
  margin-bottom: 10px;
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  margin-top: 46px;
  padding: 44px 0 70px;
}

@media (max-width: 1120px) {
  :root {
    --sidebar: 216px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 86px;
  }

  .hero-visual {
    min-height: 250px;
  }

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

@media (max-width: 760px) {
  .mobile-header {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--line);
    background: rgba(4, 8, 16, 0.92);
    backdrop-filter: blur(18px);
  }

  .mobile-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
  }

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

  .mobile-menu-toggle {
    min-height: 40px;
    padding: 0 13px;
    color: var(--text);
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: rgba(8, 14, 26, 0.76);
    font-weight: 800;
  }

  .sidebar {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 25;
    width: auto;
    min-height: auto;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    display: none;
    grid-template-rows: auto auto auto;
  }

  body.nav-open .sidebar {
    display: grid;
  }

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

  .sidebar-footer {
    display: none;
  }

  .language-box {
    display: grid;
  }

  .page {
    margin-left: 0;
  }

  .topbar {
    display: none;
  }

  .hero {
    padding: 42px 20px 38px;
    min-height: auto;
  }

  .hero-teaser ul {
    grid-template-columns: 1fr;
  }

  .difference-card {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 18px;
  }

  .stats-strip,
  .feature-grid,
  .app-grid,
  .split-band,
  .access-grid,
  .contact {
    grid-template-columns: 1fr;
  }

  .stats-strip,
  .feature-section,
  .split-band,
  .access-grid,
  .beta-panel,
  .faq,
  .contact {
    margin-left: 18px;
    margin-right: 18px;
  }

  .contact {
    align-items: start;
  }
}

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

  h1 {
    font-size: 64px;
  }

  .button {
    width: 100%;
  }
}