/* ============================================================
   ByteTrix — coming soon
   ============================================================ */

:root {
  --bg:            #07080c;
  --bg-soft:       #0c0e15;
  --surface:       rgba(255, 255, 255, 0.028);
  --surface-hover: rgba(255, 255, 255, 0.05);
  --line:          rgba(255, 255, 255, 0.08);
  --line-strong:   rgba(255, 255, 255, 0.16);

  --text:          #eef1f8;
  --text-soft:     #a6adc0;
  --text-dim:      #6c7488;

  --cyan:          #6ee7ff;
  --indigo:        #7c8cff;
  --violet:        #c86bff;
  --accent:        var(--indigo);

  --grad: linear-gradient(105deg, var(--cyan) 0%, var(--indigo) 48%, var(--violet) 100%);

  --radius:    18px;
  --radius-sm: 12px;
  --maxw:      1140px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

::selection { background: rgba(124, 140, 255, 0.32); color: #fff; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ── Ambient background ────────────────────────────────────── */
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% -10%, #101425 0%, transparent 60%),
    var(--bg);
}

.bg__grid {
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(115% 80% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(115% 80% at 50% 0%, #000 20%, transparent 75%);
}

.bg__aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
}
.bg__aurora--1 {
  width: 46vw; height: 46vw; min-width: 380px; min-height: 380px;
  top: -14vw; left: -8vw;
  background: radial-gradient(circle, rgba(110, 231, 255, 0.42), transparent 68%);
  animation: drift-a 26s var(--ease) infinite alternate;
}
.bg__aurora--2 {
  width: 40vw; height: 40vw; min-width: 340px; min-height: 340px;
  top: -6vw; right: -10vw;
  background: radial-gradient(circle, rgba(200, 107, 255, 0.36), transparent 68%);
  animation: drift-b 32s var(--ease) infinite alternate;
}
.bg__aurora--3 {
  width: 52vw; height: 34vw; min-width: 420px;
  top: 34vh; left: 22vw;
  background: radial-gradient(circle, rgba(124, 140, 255, 0.28), transparent 70%);
  animation: drift-c 38s var(--ease) infinite alternate;
}

@keyframes drift-a { to { transform: translate3d(9vw, 7vh, 0) scale(1.14); } }
@keyframes drift-b { to { transform: translate3d(-8vw, 10vh, 0) scale(1.08); } }
@keyframes drift-c { to { transform: translate3d(6vw, -8vh, 0) scale(0.92); } }

.bg__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(100% 70% at 50% 35%, transparent 40%, rgba(7, 8, 12, 0.85) 100%);
}

.bg__noise {
  position: absolute; inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Layout ────────────────────────────────────────────────── */
.page {
  width: min(100% - 2.5rem, var(--maxw));
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ── Nav ───────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.75rem 0 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  transition: opacity 0.25s var(--ease);
}
.brand:hover { opacity: 0.85; }
.brand__mark {
  width: auto;
  height: 38px;
  filter: drop-shadow(0 2px 16px rgba(110, 231, 255, 0.35));
}
.brand__word {
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -0.03em;
}
.brand__accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav__right { display: flex; align-items: center; gap: 1.25rem; }

.nav__mail {
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  backdrop-filter: blur(10px);
  font-size: 0.84rem;
  color: var(--text-soft);
  white-space: nowrap;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.nav__mail:hover {
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--surface-hover);
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  padding: clamp(3.5rem, 11vh, 7rem) 0 clamp(3rem, 7vh, 4.5rem);
  max-width: 860px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.6rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.eyebrow__tag {
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: linear-gradient(105deg, rgba(110,231,255,0.16), rgba(200,107,255,0.16));
  border: 1px solid rgba(124, 140, 255, 0.32);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__title {
  font-size: clamp(2.5rem, 6.6vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.045em;
  font-weight: 700;
  margin-bottom: 1.5rem;
}
.hero__title em {
  font-style: italic;
  font-weight: 500;
  color: var(--text-soft);
}
.grad {
  background: var(--grad);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 9s linear infinite;
}
@keyframes shimmer { to { background-position: 200% 0; } }

.hero__lede {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--text-soft);
  max-width: 60ch;
  margin-bottom: 2.4rem;
}

/* ── Subscribe ─────────────────────────────────────────────── */
.hero__cta { margin-bottom: 3.2rem; }

.subscribe {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
  max-width: 520px;
  padding: 0.4rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(12px);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.subscribe:focus-within {
  border-color: rgba(124, 140, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(124, 140, 255, 0.1);
}
.subscribe.is-invalid { border-color: rgba(255, 122, 122, 0.6); }

.subscribe input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
  outline: none;
}
.subscribe input::placeholder { color: var(--text-dim); }

.subscribe button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #08090f;
  background: var(--grad);
  background-size: 160% 100%;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background-position 0.5s var(--ease);
  box-shadow: 0 6px 24px -8px rgba(124, 140, 255, 0.7);
}
.subscribe button:hover {
  transform: translateY(-1px);
  background-position: 100% 0;
  box-shadow: 0 10px 30px -8px rgba(124, 140, 255, 0.85);
}
.subscribe button:active { transform: translateY(0); }
.subscribe button svg { width: 18px; height: 18px; }

.subscribe__note {
  margin-top: 0.85rem;
  padding-left: 0.35rem;
  font-size: 0.83rem;
  color: var(--text-dim);
  transition: color 0.25s var(--ease);
}
.subscribe__note.is-ok    { color: #3ddc97; }
.subscribe__note.is-error { color: #ff8f8f; }

/* ── Stats ─────────────────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.stat { background: var(--bg-soft); padding: 1.1rem 1.25rem; }
.stat dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
}
.stat dd { font-size: 0.95rem; font-weight: 500; }

/* ── Marquee ───────────────────────────────────────────────── */
.marquee {
  position: relative;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: scroll 42s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__list {
  display: flex;
  align-items: center;
  gap: 2.75rem;
  padding-right: 2.75rem;
}
.marquee__list li {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  white-space: nowrap;
  transition: color 0.25s var(--ease);
}
.marquee__list li:hover { color: var(--cyan); }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ── Sections ──────────────────────────────────────────────── */
.section { padding: clamp(4rem, 10vh, 6.5rem) 0; }

.section__head { margin-bottom: 2.75rem; max-width: 62ch; }
.section__title {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
  margin-bottom: 0.6rem;
}
.section__sub { color: var(--text-soft); font-size: 1rem; }

/* ── Capability cards ──────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1rem;
}

.card {
  position: relative;
  padding: 1.75rem 1.6rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.012));
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), rgba(124, 140, 255, 0.16), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.card:hover::before { opacity: 1; }

.card__idx {
  position: absolute;
  top: 1.25rem; right: 1.35rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.card__icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 11px;
  border: 1px solid rgba(124, 140, 255, 0.28);
  background: linear-gradient(140deg, rgba(110,231,255,0.14), rgba(200,107,255,0.14));
  margin-bottom: 1.15rem;
}
.card__icon svg {
  width: 21px; height: 21px;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3 {
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.card p {
  font-size: 0.92rem;
  color: var(--text-soft);
  margin-bottom: 1.1rem;
}

.card__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.card__tags li {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-dim);
}

/* ── Process ───────────────────────────────────────────────── */
.section--process { border-top: 1px solid var(--line); }

.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.step {
  background: var(--bg-soft);
  padding: 1.5rem 1.35rem;
  transition: background 0.35s var(--ease);
}
.step:hover { background: #11141f; }
.step__n {
  font-family: var(--mono);
  font-size: 0.72rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.step h3 { font-size: 1rem; margin: 0.55rem 0 0.4rem; letter-spacing: -0.02em; }
.step p { font-size: 0.86rem; color: var(--text-soft); }

/* ── Launch / countdown ────────────────────────────────────── */
.launch { padding-bottom: clamp(4rem, 9vh, 6rem); }

.launch__inner {
  position: relative;
  text-align: center;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    radial-gradient(90% 130% at 50% 0%, rgba(124, 140, 255, 0.13), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.012));
  overflow: hidden;
}
.launch__inner::after {
  content: "";
  position: absolute;
  top: 0; left: 12%; right: 12%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(124,140,255,0.85), transparent);
}

.launch__label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.1rem;
}

.countdown {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(0.4rem, 1.6vw, 1.1rem);
  margin-bottom: 1.75rem;
}
.countdown__unit { display: flex; flex-direction: column; align-items: center; min-width: 62px; }
.countdown__num {
  font-family: var(--mono);
  font-size: clamp(2rem, 6.5vw, 3.4rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.countdown__cap {
  margin-top: 0.55rem;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.countdown__sep {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 5vw, 2.6rem);
  line-height: 1.15;
  color: var(--text-dim);
  opacity: 0.4;
}

.launch__copy {
  max-width: 52ch;
  margin: 0 auto 1.75rem;
  color: var(--text-soft);
  font-size: 0.98rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 600;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background-position 0.5s var(--ease);
}
.btn svg { width: 18px; height: 18px; }
.btn--primary {
  color: #08090f;
  background: var(--grad);
  background-size: 160% 100%;
  box-shadow: 0 8px 30px -10px rgba(124, 140, 255, 0.9);
}
.btn--primary:hover {
  transform: translateY(-2px);
  background-position: 100% 0;
  box-shadow: 0 14px 38px -10px rgba(124, 140, 255, 1);
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.75rem 0 2.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--text-dim);
}
.footer__left { display: flex; align-items: center; gap: 0.9rem; flex-wrap: wrap; }
.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
}
.footer__mark { width: auto; height: 22px; }
.footer__links { display: flex; gap: 1.4rem; }
.footer__links a { transition: color 0.25s var(--ease); }
.footer__links a:hover { color: var(--text); }

/* ── Reveal on scroll ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 720px) {
  .page { width: min(100% - 1.75rem, var(--maxw)); }
  .nav { padding-top: 1.25rem; }
  .brand__mark { height: 32px; }
  .brand__word { font-size: 1.05rem; }
  .nav__mail { font-size: 0.75rem; padding: 0.35rem 0.75rem; }
  .stats { grid-template-columns: 1fr; }
  .subscribe { flex-direction: column; border-radius: var(--radius); padding: 0.5rem; }
  .subscribe input { text-align: center; }
  .subscribe button { justify-content: center; }
  .countdown__sep { display: none; }
  .countdown { gap: 0.75rem 1.25rem; flex-wrap: wrap; }
  .footer { flex-direction: column; align-items: flex-start; }
}

/* ── Motion preferences ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
}