/* DarkPixelTech — Landing Page (V3 Final)
   Constraints: pure HTML/CSS, system fonts only, no scripts, no forms.
   Logo rules: large & crisp, preserve aspect ratio (width + height:auto; object-fit:contain).
   Asset rules: darkpixeltech* = official logo; darkpixeltech2* = vibe imagery (not used here).
*/

:root {
  color-scheme: dark;

  --bg0: #05070c;
  --bg1: #070b14;

  --text: rgba(245, 247, 255, 0.92);
  --muted: rgba(245, 247, 255, 0.74);
  --faint: rgba(245, 247, 255, 0.58);

  --line: rgba(255, 255, 255, 0.12);
  --line2: rgba(255, 255, 255, 0.08);

  --accent: rgba(194, 198, 255, 0.70);
  --accent2: rgba(120, 210, 255, 0.10);

  --radius: 18px;
  --max: 1140px;
  --shadow: 0 26px 90px rgba(0, 0, 0, 0.58);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans",
    sans-serif;
  line-height: 1.35;

  background:
    radial-gradient(900px 520px at 15% -10%, rgba(194, 198, 255, 0.10), transparent 62%),
    radial-gradient(900px 520px at 112% 30%, rgba(120, 210, 255, 0.08), transparent 64%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

/* Subtle vignette + very faint grid (CSS-only) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;

  background:
    radial-gradient(900px 700px at 50% 35%, transparent 44%, rgba(0, 0, 0, 0.55) 100%),
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: auto, 160px 160px, 160px 160px;
  opacity: 0.18;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 2px solid rgba(194, 198, 255, 0.85);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.86);
  border: 1px solid var(--line);
  border-radius: 12px;
  z-index: 9999;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 18px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;

  background: rgba(5, 7, 12, 0.62);
  border-bottom: 1px solid var(--line2);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  height: 64px;
}

.brand {
  text-decoration: none;
  font-weight: 760;
  letter-spacing: 0.01em;
  color: rgba(245, 247, 255, 0.86);
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  text-decoration: none;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.01em;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.10);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* Main */
.main {
  isolation: isolate;
}

.split {
  min-height: calc(100svh - 64px);
  display: grid;
  align-items: center;
  padding: 28px 0 34px;
}

.split-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(18px, 3.4vw, 34px);
  align-items: center;
}

.left {
  padding: 6px 0;
}

.title {
  margin: 0;
  font-size: clamp(34px, 4.1vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 900;
}

.subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: clamp(15px, 1.35vw, 18px);
  max-width: 62ch;
}

.what {
  margin-top: 18px;
  padding: 14px 14px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
}

.what-title {
  margin: 0;
  font-size: 12px;
  font-weight: 760;
  color: rgba(245, 247, 255, 0.62);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.what-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(245, 247, 255, 0.78);
  font-size: 14px;
  line-height: 1.5;
}

.what-list li {
  margin: 6px 0;
}

.cta {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 14px;

  border-radius: 999px;
  text-decoration: none;
  font-weight: 840;
  letter-spacing: 0.01em;

  border: 1px solid rgba(194, 198, 255, 0.22);
  background: linear-gradient(135deg, rgba(194, 198, 255, 0.16), rgba(120, 210, 255, 0.06));
  box-shadow: 0 0 0 1px rgba(194, 198, 255, 0.10);
  width: fit-content;
}

.cta-button:hover {
  border-color: rgba(194, 198, 255, 0.32);
  box-shadow: 0 0 0 1px rgba(194, 198, 255, 0.18), 0 18px 54px rgba(0, 0, 0, 0.55);
}

.cta-meta {
  display: grid;
  gap: 8px;
  max-width: 72ch;
}

.cta-line {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.k {
  display: inline-flex;
  min-width: 66px;
  color: rgba(245, 247, 255, 0.56);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.v {
  color: rgba(245, 247, 255, 0.78);
  font-size: 14px;
}

.email {
  font-variant-ligatures: none;
  font-weight: 780;
  letter-spacing: 0.01em;
}

.trust {
  margin: 14px 0 0;
  color: rgba(245, 247, 255, 0.62);
  font-size: 13px;
  max-width: 72ch;
}

/* Poster */
.right {
  min-width: 0;
}

.poster {
  position: relative;
  border-radius: calc(var(--radius) + 12px);
  padding: clamp(16px, 2.6vw, 26px);

  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: var(--shadow);

  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);

  overflow: hidden;
}

.poster::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 14px);
  background: linear-gradient(135deg, rgba(194, 198, 255, 0.16), rgba(120, 210, 255, 0.06));
  opacity: 0.62;
  z-index: -1;
}

.logo-wrap {
  display: grid;
  align-items: center;
  justify-items: center;
  padding: clamp(18px, 3.2vw, 34px) 0;
}

.logo {
  display: block;
  width: min(860px, 94vw);
  max-width: 100%;
  height: auto;
  object-fit: contain;
  image-rendering: auto;
  filter: drop-shadow(0 14px 40px rgba(0, 0, 0, 0.60));
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line2);
  background: rgba(5, 7, 12, 0.60);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.footer-inner {
  padding: 16px 0;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  flex-wrap: wrap;
}

.fine {
  margin: 0;
  color: rgba(245, 247, 255, 0.62);
  font-size: 12px;
}

@media (max-width: 980px) {
  .header-inner {
    height: 60px;
  }

  .split {
    min-height: calc(100svh - 60px);
    padding: 22px 0 30px;
  }

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

@media (max-width: 420px) {
  .cta-line {
    flex-wrap: wrap;
  }

  .k {
    min-width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cta-button {
    transition: none;
  }
}