:root {
  --bg: #080b0f;
  --surface: #10161d;
  --ink: #f3f5f7;
  --muted: #98a5b3;
  --muted-darker: #66727e;
  --brand: #5397e2;
  --gold: #7a5f37;
  --gold-deep: #6f532e;
  --hairline: rgba(83, 151, 226, 0.2);
  --seam-angle: 35deg;
  --seam-offset: 25vw;
  --seam-thickness: 3px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  font-family: "Titillium Web", "Exo", sans-serif;
  background-color: var(--bg);
}

body.home-page {
  display: flex;
  flex-direction: column;
}

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

a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 4px;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.downloads-page .wrap {
  max-width: 980px;
}

.bg-left,
.bg-right,
.wire-seam {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.bg-left {
  z-index: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0.28) 70%, rgba(83, 151, 226, 0.035)),
    radial-gradient(360px 360px at 20% 28%, rgba(255, 255, 255, 0.045), transparent 58%),
    radial-gradient(280px 280px at 70% 60%, rgba(83, 151, 226, 0.025), transparent 58%),
    #171a1e;
  -webkit-mask-image: linear-gradient(var(--seam-angle), #000 0 calc(50% + var(--seam-offset)), transparent calc(50% + var(--seam-offset)));
  mask-image: linear-gradient(var(--seam-angle), #000 0 calc(50% + var(--seam-offset)), transparent calc(50% + var(--seam-offset)));
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
}

.bg-right {
  z-index: 0;
  background:
    linear-gradient(to bottom, rgba(8, 11, 15, 0) 0%, rgba(8, 11, 15, 0.48) 42%, rgba(8, 11, 15, 0.84) 100%),
    radial-gradient(1000px 600px at 10% -10%, rgba(83, 151, 226, 0.05), transparent 60%),
    radial-gradient(900px 900px at 90% 10%, rgba(255, 255, 255, 0.03), transparent 50%),
    linear-gradient(45deg, rgba(255, 255, 255, 0.045) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.045) 75%),
    linear-gradient(45deg, rgba(255, 255, 255, 0.025) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.025) 75%),
    var(--bg);
  background-size: auto, auto, auto, 14px 14px, 14px 14px, auto;
  background-position: 0 0, 0 0, 0 0, 0 0, 7px 7px, 0 0;
  background-repeat: no-repeat, no-repeat, no-repeat, repeat, repeat, no-repeat;
  -webkit-mask-image: linear-gradient(var(--seam-angle), transparent 0 calc(50% + var(--seam-offset)), #000 calc(50% + var(--seam-offset)));
  mask-image: linear-gradient(var(--seam-angle), transparent 0 calc(50% + var(--seam-offset)), #000 calc(50% + var(--seam-offset)));
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
}

.wire-seam {
  z-index: 1;
}

.wire-seam::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.24) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 4px),
    linear-gradient(90deg, var(--gold), var(--gold-deep) 45%, var(--gold) 72%, var(--gold-deep));
  -webkit-mask-image: linear-gradient(var(--seam-angle), transparent 0 calc(50% + var(--seam-offset) - var(--seam-thickness)), #000 calc(50% + var(--seam-offset) - var(--seam-thickness)), #000 calc(50% + var(--seam-offset) + var(--seam-thickness)), transparent calc(50% + var(--seam-offset) + var(--seam-thickness)));
  mask-image: linear-gradient(var(--seam-angle), transparent 0 calc(50% + var(--seam-offset) - var(--seam-thickness)), #000 calc(50% + var(--seam-offset) - var(--seam-thickness)), #000 calc(50% + var(--seam-offset) + var(--seam-thickness)), transparent calc(50% + var(--seam-offset) + var(--seam-thickness)));
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  filter: drop-shadow(0 0 12px rgba(122, 95, 55, 0.42)) drop-shadow(0 0 30px rgba(122, 95, 55, 0.22));
}

.site-head {
  position: sticky;
  top: 0;
  z-index: 3;
  border-bottom: 1px solid rgba(83, 151, 226, 0.08);
  background: linear-gradient(180deg, rgba(8, 11, 15, 0.88), rgba(8, 11, 15, 0.48));
  -webkit-backdrop-filter: saturate(1.08) blur(10px);
  backdrop-filter: saturate(1.08) blur(10px);
}

.site-head .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-mark {
  position: relative;
  display: block;
  width: 36px;
  height: 36px;
}

.brand-mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: var(--ink);
  box-shadow: 0 0 12px rgba(243, 245, 247, 0.18);
  transform: translate(-50%, -50%) rotate(45deg);
}

.brand-mark::after {
  content: none;
}

.tagline {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  z-index: 2;
  padding: clamp(64px, 10vh, 104px) 0 clamp(44px, 8vh, 80px);
}

.hero-title {
  margin: 0;
}

.hero-logo {
  display: block;
  width: clamp(300px, 54vw, 620px);
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 46px rgba(0, 0, 0, 0.35));
}

.hero .sub {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(14px, 1.6vw, 18px);
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.cta {
  position: relative;
  z-index: 2;
  margin: 0 auto clamp(58px, 9vh, 92px);
  text-align: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  padding: 12px 20px;
  border: 1px solid rgba(83, 151, 226, 0.28);
  border-radius: 8px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.04em;
  background:
    linear-gradient(180deg, rgba(10, 15, 21, 0.94), rgba(4, 7, 10, 0.92)),
    var(--bg);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.5), inset 0 1px rgba(255, 255, 255, 0.05);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.btn:hover {
  border-color: rgba(83, 151, 226, 0.72);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.52), 0 0 22px rgba(83, 151, 226, 0.1), inset 0 1px rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

.site-footer {
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding: 26px 0 24px;
  color: var(--muted-darker);
  font-size: 12px;
  letter-spacing: 0.03em;
  text-align: center;
}

.downloads-page main {
  position: relative;
  z-index: 2;
  padding: clamp(64px, 10vh, 104px) 0 12vh;
}

.downloads-page h1 {
  margin: 0;
  font-family: "Exo", sans-serif;
  font-size: clamp(48px, 9vw, 96px);
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 0.92;
}

.downloads-page .sub {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(14px, 2vw, 18px);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.downloads {
  display: grid;
  gap: 30px;
  margin-top: 64px;
}

.download-section {
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.downloads-page h2 {
  margin: 0;
  font-family: "Exo", sans-serif;
  font-size: 20px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.download-list {
  display: grid;
  gap: 10px;
}

.download-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(152, 165, 179, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(9, 14, 20, 0.84), rgba(3, 6, 9, 0.8)),
    radial-gradient(circle at 24% 20%, rgba(83, 151, 226, 0.045) 0%, transparent 48%),
    var(--bg);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.38), inset 0 1px rgba(255, 255, 255, 0.035);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.download-row:hover {
  border-color: rgba(83, 151, 226, 0.5);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.44), 0 0 20px rgba(83, 151, 226, 0.07), inset 0 1px rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}

.file-main {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.file-name {
  overflow-wrap: anywhere;
  font-weight: 700;
}

.file-meta {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.file-action {
  flex: 0 0 auto;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.empty {
  margin: 0;
  color: var(--muted);
}

.downloads-page .site-footer {
  margin-top: 54px;
  padding: 0;
  text-align: left;
}

@media (max-width: 640px) {
  :root {
    --seam-offset: 4vw;
  }

  .wrap {
    padding: 0 18px;
  }

  .site-head .bar {
    height: 66px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .tagline {
    font-size: 11px;
    letter-spacing: 0.14em;
  }

  .hero {
    padding-top: 78px;
  }

  .hero-logo {
    width: min(100%, 360px);
  }

  .hero .sub {
    margin-top: 18px;
    font-size: 13px;
    letter-spacing: 0.13em;
  }

  .downloads-page main {
    padding-top: 8vh;
  }

  .download-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .download-row {
    transition: none;
  }
}