:root {
  --bg: #04070d;
  --bg-2: #071221;
  --panel: rgba(125, 211, 252, 0.05);
  --panel-2: rgba(9, 20, 36, 0.75);
  --line: rgba(125, 211, 252, 0.14);
  --line-strong: rgba(125, 211, 252, 0.4);
  --acc: #7dd3fc;
  --acc-2: #38bdf8;
  --txt: #e9f3fb;
  --dim: #94a9c6;
  --faint: #5c7090;
  --radius: 18px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", sans-serif;
  --mono: Consolas, "Cascadia Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 600px at 50% -10%, rgba(30, 88, 148, 0.35), transparent 70%),
    var(--bg);
  color: var(--txt);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--acc); text-decoration: none; }
code { font-family: var(--mono); font-size: 0.92em; background: rgba(125, 211, 252, 0.1); border: 1px solid var(--line); border-radius: 6px; padding: 0.05em 0.4em; }

#stars {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.kicker {
  margin: 0 0 10px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--acc);
}

h1, h2, h3 { line-height: 1.15; margin: 0; }

h1 {
  font-size: clamp(2.5rem, 6.5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -1px;
}

h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--acc), var(--acc-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); font-weight: 800; letter-spacing: -0.5px; }
h3 { font-size: 1.15rem; font-weight: 700; }

.lede { color: var(--dim); font-size: 1.12rem; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(4, 7, 13, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(125, 211, 252, 0.1);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--txt);
  font-weight: 700;
  font-size: 1.1rem;
}

.brand img { border-radius: 50%; }
.brand b { color: var(--acc); font-weight: 700; }

#menu { display: flex; align-items: center; gap: 6px; }

#menu a {
  color: var(--dim);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 14px;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}

#menu a:hover { color: var(--txt); background: rgba(125, 211, 252, 0.08); }

#menu a.nav-cta {
  color: #052032;
  background: linear-gradient(90deg, var(--acc), var(--acc-2));
}

#menu a.nav-cta:hover { filter: brightness(1.08); }

#menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}

#menu-btn span {
  width: 22px;
  height: 2px;
  background: var(--txt);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 30px;
  border-radius: 999px;
  transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
  cursor: pointer;
}

.btn-primary {
  color: #052032;
  background: linear-gradient(90deg, var(--acc), var(--acc-2));
  box-shadow: 0 10px 34px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.06); }

.btn-ghost {
  color: var(--txt);
  border: 1px solid var(--line-strong);
  background: rgba(125, 211, 252, 0.06);
}

.btn-ghost:hover { background: rgba(125, 211, 252, 0.12); transform: translateY(-2px); }

/* ---------- hero ---------- */

.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 130px 24px 70px;
}

.hero-inner { max-width: 820px; }

.hero-logo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto 26px;
  box-shadow: 0 0 70px rgba(56, 189, 248, 0.45);
}

.hero .lede { margin: 22px auto 0; max-width: 660px; }

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 34px;
}

.hero-chips {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

.hero-chips span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dim);
  border: 1px solid var(--line);
  background: rgba(125, 211, 252, 0.06);
  padding: 7px 16px;
  border-radius: 999px;
}

/* ---------- showcase ---------- */

.showcase { max-width: 1160px; margin: 0 auto; padding: 30px 24px 20px; }

.showcase-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--bg-2);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55), 0 0 60px rgba(56, 189, 248, 0.12);
}

.chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #0b1526;
  border-bottom: 1px solid var(--line);
}

.chrome i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #ff5f57;
}

.chrome i:nth-child(2) { background: #febc2e; }
.chrome i:nth-child(3) { background: #28c840; }

.chrome span {
  margin-left: 12px;
  font-size: 0.82rem;
  color: var(--faint);
}

.showcase-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding: 0;
  margin: 22px 0 0;
}

.showcase-stats li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  text-align: center;
}

.showcase-stats b { display: block; font-size: 1.3rem; color: var(--acc); }
.showcase-stats span { font-size: 0.85rem; color: var(--dim); }

/* ---------- sections ---------- */

.section { max-width: 1160px; margin: 0 auto; padding: 96px 24px; }

.section-head { text-align: center; margin-bottom: 48px; }
.section-head .kicker { margin-bottom: 12px; }

/* ---------- feature cards ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  background: rgba(125, 211, 252, 0.08);
}

.card h3 { margin: 18px 0 10px; }
.card p { margin: 0; color: var(--dim); font-size: 0.97rem; }

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  color: #052032;
  background: linear-gradient(135deg, var(--acc), var(--acc-2));
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.25);
}

.i-apps { background: linear-gradient(135deg, #a78bfa, #7c3aed); box-shadow: 0 8px 24px rgba(124, 58, 237, 0.25); }
.i-link { background: linear-gradient(135deg, #6ee7b7, #10b981); box-shadow: 0 8px 24px rgba(16, 185, 129, 0.25); }
.i-usb { background: linear-gradient(135deg, #fcd34d, #f59e0b); box-shadow: 0 8px 24px rgba(245, 158, 11, 0.25); }
.i-disc { background: linear-gradient(135deg, #fda4af, #f43f5e); box-shadow: 0 8px 24px rgba(244, 63, 94, 0.25); }
.i-ext { background: linear-gradient(135deg, #93c5fd, #3b82f6); box-shadow: 0 8px 24px rgba(59, 130, 246, 0.25); }

/* ---------- split ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.split-copy .lede { margin: 16px 0 26px; }

.ticks {
  list-style: none;
  padding: 0;
  margin: 0 0 30px;
}

.ticks li {
  position: relative;
  padding: 9px 0 9px 34px;
  color: var(--dim);
}

.ticks li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 8px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(125, 211, 252, 0.14);
  border: 1px solid var(--line-strong);
  color: var(--acc);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.split-media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.5);
  background: var(--bg-2);
}

.split-media figcaption {
  padding: 12px 18px;
  font-size: 0.85rem;
  color: var(--faint);
  border-top: 1px solid var(--line);
}

/* ---------- apps ---------- */

.apps-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 14px;
}

.app {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 10px 16px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.app:hover { transform: translateY(-4px); border-color: var(--line-strong); }

.app b {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin: 0 auto 12px;
  border-radius: 14px;
  font-size: 1.05rem;
  color: #052032;
  background: linear-gradient(135deg, var(--acc), var(--acc-2));
}

.app:nth-child(4n + 2) b { background: linear-gradient(135deg, #fcd34d, #f59e0b); }
.app:nth-child(4n + 3) b { background: linear-gradient(135deg, #a78bfa, #7c3aed); color: #fff; }
.app:nth-child(4n) b { background: linear-gradient(135deg, #6ee7b7, #10b981); }

.app span { display: block; font-size: 0.82rem; color: var(--dim); }

.apps-extra {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 44px;
}

.apps-shot {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.5);
}

.apps-note h3 { margin-bottom: 12px; }
.apps-note p { color: var(--dim); margin: 0 0 14px; }

/* ---------- videos ---------- */

.videos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.video {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s;
}

.video:hover { transform: translateY(-5px); border-color: var(--line-strong); }

.video video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: #000;
}

.video figcaption { padding: 20px 22px 24px; }
.video h3 { margin-bottom: 8px; }
.video p { margin: 0; color: var(--dim); font-size: 0.93rem; }

/* ---------- download ---------- */

.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.dl {
  display: block;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  color: var(--txt);
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}

.dl:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  background: rgba(125, 211, 252, 0.08);
}

.dl h3 { margin-bottom: 10px; color: var(--acc); }
.dl p { margin: 0 0 18px; color: var(--dim); font-size: 0.95rem; }

.dl-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--faint);
  word-break: break-all;
}

.terminal {
  margin-top: 34px;
  background: rgba(6, 12, 22, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: #0b1526;
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--faint);
}

.copy {
  font: inherit;
  font-weight: 700;
  font-size: 0.8rem;
  color: #052032;
  background: linear-gradient(90deg, var(--acc), var(--acc-2));
  border: 0;
  border-radius: 999px;
  padding: 6px 16px;
  cursor: pointer;
  transition: filter 0.2s;
}

.copy:hover { filter: brightness(1.08); }

.terminal pre {
  margin: 0;
  padding: 24px 26px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--txt);
}

.terminal .c { color: var(--faint); }

.terminal pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--line);
  background: rgba(5, 10, 18, 0.8);
  margin-top: 40px;
}

.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 46px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
}

.footer-brand img { border-radius: 50%; }
.footer-brand b { font-size: 1.1rem; }
.footer-brand p { margin: 4px 0 0; color: var(--dim); font-size: 0.9rem; }

.footer-links { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; }

.footer-links a { color: var(--dim); font-size: 0.9rem; }
.footer-links a:hover { color: var(--acc); }

.footer-note { margin: 0; color: var(--faint); font-size: 0.82rem; }

/* ---------- reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 1020px) {
  .grid, .videos, .dl-grid { grid-template-columns: repeat(2, 1fr); }
  .apps-grid { grid-template-columns: repeat(4, 1fr); }
  .split, .apps-extra { grid-template-columns: 1fr; gap: 34px; }
  .showcase-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  #menu-btn { display: flex; }

  #menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(4, 7, 13, 0.97);
    border-bottom: 1px solid var(--line);
    padding: 10px 16px 18px;
    display: none;
  }

  #menu.open { display: flex; }
  #menu a { padding: 12px 14px; text-align: center; }

  .grid, .videos, .dl-grid { grid-template-columns: 1fr; }
  .apps-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 70px 20px; }
  .hero { padding-top: 110px; }
  .hero-logo { width: 118px; height: 118px; }
  .footer-brand { flex-direction: column; text-align: center; }
}

/* ---------- account: demo sign in / sign up ---------- */
.auth-slot { position: relative; display: flex; align-items: center; }

.nav-auth {
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--dim);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(125, 211, 252, 0.06);
  cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.nav-auth:hover { color: var(--txt); background: rgba(125, 211, 252, 0.12); }

.nav-user {
  font: inherit;
  font-weight: 700;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 0;
  cursor: pointer;
  color: #052032;
  background: linear-gradient(135deg, var(--acc), var(--acc-2));
  box-shadow: 0 6px 18px rgba(56, 189, 248, 0.3);
}
.nav-user:hover { filter: brightness(1.07); }

.user-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  background: rgba(9, 13, 22, 0.97);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 3px;
  z-index: 60;
}
.um-name { font-weight: 700; font-size: 0.95rem; }
.um-email { font-size: 0.8rem; color: var(--dim); word-break: break-all; }
.um-out {
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  text-align: left;
  margin-top: 8px;
  padding: 9px 12px;
  border-radius: 9px;
  cursor: pointer;
  color: #ff97a6;
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.3);
}
.um-out:hover { background: rgba(244, 63, 94, 0.18); }

.auth-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(3, 5, 10, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.auth-backdrop[hidden] { display: none; }

.auth-modal {
  width: min(430px, 100%);
  background: #0a0f1a;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  padding: 22px 24px 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  animation: authPop 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.1);
}
@keyframes authPop {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
}

.auth-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.auth-head img { border-radius: 50%; }
.auth-head h3 { font-size: 1.05rem; margin: 0; flex: 1; }

.auth-close {
  font: inherit;
  font-size: 1.4rem;
  line-height: 1;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(125, 211, 252, 0.06);
  color: var(--dim);
  cursor: pointer;
}
.auth-close:hover { color: var(--txt); background: rgba(125, 211, 252, 0.14); }

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: rgba(125, 211, 252, 0.05);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 5px;
  margin-bottom: 16px;
}
.auth-tab {
  font: inherit;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 9px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  color: var(--dim);
  background: transparent;
}
.auth-tab.active { color: #052032; background: linear-gradient(90deg, var(--acc), var(--acc-2)); }

.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dim);
}
.auth-form input {
  font: inherit;
  font-size: 0.95rem;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgba(125, 211, 252, 0.05);
  color: var(--txt);
  outline: none;
}
.auth-form input:focus {
  border-color: var(--acc);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
}
.auth-submit { width: 100%; padding: 12px 20px; font-size: 0.95rem; border: 0; }
.auth-err { min-height: 18px; margin: 10px 0 0; color: #ff97a6; font-size: 0.85rem; }
.auth-note { margin: 6px 0 0; color: var(--faint); font-size: 0.76rem; line-height: 1.5; }

.site-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 16px);
  z-index: 90;
  opacity: 0;
  background: rgba(9, 13, 22, 0.97);
  border: 1px solid var(--acc);
  color: var(--txt);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 12px 20px;
  border-radius: 999px;
  box-shadow: 0 14px 40px rgba(56, 189, 248, 0.25);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  white-space: nowrap;
  max-width: 92vw;
  overflow: hidden;
  text-overflow: ellipsis;
}
.site-toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 700px) {
  .auth-slot { width: 100%; }
  .nav-auth { width: 100%; padding: 12px 14px; text-align: center; border-radius: 12px; }
  .nav-user { margin: 6px auto 0; }
  .user-menu { left: 50%; right: auto; transform: translateX(-50%); }
}