:root {
  color-scheme: dark;
  --bg: #030711;
  --ink: #f7fbff;
  --muted: #b8c8dc;
  --cyan: #31d6ff;
  --blue: #0f7bff;
  --gold: #ffc43d;
  --gold-deep: #f08a00;
  --panel: rgba(4, 16, 38, 0.64);
  --line: rgba(113, 190, 255, 0.28);
  --shadow: 0 34px 110px rgba(0, 0, 0, 0.56);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg); }

body {
  min-height: 100svh;
  margin: 0;
  color: var(--ink);
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% 5%, rgba(86, 172, 255, 0.34), transparent 28rem),
    radial-gradient(circle at 83% 50%, rgba(44, 216, 255, 0.22), transparent 27rem),
    radial-gradient(circle at 8% 82%, rgba(255, 183, 36, 0.15), transparent 25rem),
    linear-gradient(135deg, #01040c 0%, #061224 47%, #020714 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(50, 174, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(50, 174, 255, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 54% 42%, black, transparent 74%);
}

body::after {
  background:
    linear-gradient(112deg, transparent 0 58%, rgba(47, 184, 255, 0.13) 58.2%, transparent 60%),
    linear-gradient(114deg, transparent 0 62%, rgba(255, 184, 43, 0.24) 62.15%, transparent 63%),
    radial-gradient(circle at 84% 42%, rgba(48, 224, 255, 0.13), transparent 20rem);
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  padding: clamp(22px, 4vw, 56px) clamp(16px, 4vw, 56px) 26px;
}

.ambient,
.data-sweep {
  position: fixed;
  pointer-events: none;
}

.ambient-left {
  left: -80px;
  bottom: 4%;
  width: min(36vw, 470px);
  height: min(48vw, 610px);
  opacity: 0.7;
  background:
    radial-gradient(circle at 33% 72%, rgba(255, 196, 61, 0.70) 0 3px, transparent 4px),
    radial-gradient(circle at 52% 48%, rgba(255, 196, 61, 0.52) 0 2px, transparent 3px),
    repeating-linear-gradient(60deg, rgba(72, 187, 255, 0.16) 0 1px, transparent 1px 86px),
    repeating-linear-gradient(120deg, rgba(72, 187, 255, 0.13) 0 1px, transparent 1px 86px);
  mask-image: linear-gradient(to right, black 0 42%, transparent 88%);
  filter: drop-shadow(0 0 18px rgba(255, 184, 43, 0.12));
}

.ambient-right {
  right: -36px;
  top: 24%;
  width: min(34vw, 460px);
  height: min(44vw, 560px);
  opacity: 0.75;
  filter: drop-shadow(0 0 18px rgba(36, 180, 255, 0.18));
}

.ambient-right::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 0;
  top: 8%;
  height: 58%;
  background:
    linear-gradient(135deg, transparent 0 19%, rgba(54, 200, 255, 0.65) 19.2% 19.6%, transparent 19.8% 31%, rgba(54, 200, 255, 0.68) 31.2% 31.6%, transparent 31.8% 44%, rgba(54, 200, 255, 0.72) 44.2% 44.6%, transparent 44.8% 59%, rgba(54, 200, 255, 0.78) 59.2% 59.6%, transparent 59.8% 76%, rgba(54, 200, 255, 0.85) 76.2% 76.6%, transparent 76.8%);
  border-radius: 30px;
}

.ambient-right::after {
  content: "";
  position: absolute;
  inset: 42% 0 0 0;
  background:
    linear-gradient(152deg, transparent 0 42%, rgba(255, 196, 61, 0.88) 42.2% 43%, transparent 43.2% 100%),
    repeating-radial-gradient(ellipse at bottom right, rgba(46, 154, 255, 0.20) 0 2px, transparent 2px 18px);
  opacity: 0.74;
}

.ambient-right span {
  position: absolute;
  bottom: 22%;
  width: 28px;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, rgba(48, 170, 255, 0.42), rgba(33, 101, 183, 0.12));
  border: 1px solid rgba(93, 191, 255, 0.20);
}

.ambient-right span:nth-child(1) { right: 54%; height: 92px; }
.ambient-right span:nth-child(2) { right: 42%; height: 62px; }
.ambient-right span:nth-child(3) { right: 30%; height: 122px; }
.ambient-right span:nth-child(4) { right: 18%; height: 98px; }
.ambient-right span:nth-child(5) { right: 6%; height: 176px; }

.data-sweep {
  inset: auto 0 8% auto;
  width: min(52vw, 780px);
  height: 22vh;
  background:
    linear-gradient(162deg, transparent 0 42%, rgba(255, 196, 61, 0.24) 42.2% 43%, transparent 43.2%),
    repeating-linear-gradient(158deg, transparent 0 12px, rgba(48, 152, 255, 0.10) 13px 14px, transparent 15px 26px);
  opacity: 0.72;
  mask-image: linear-gradient(to left, black, transparent);
}

.cover-panel {
  position: relative;
  width: min(100%, 1210px);
  min-height: min(760px, calc(100svh - 96px));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(26px, 3vw, 40px);
  padding: clamp(36px, 4.7vw, 66px);
  border: 1px solid rgba(86, 199, 255, 0.38);
  border-radius: 32px;
  background:
    linear-gradient(116deg, transparent 0 67%, rgba(78, 174, 255, 0.075) 67.2%, transparent 77%),
    radial-gradient(circle at 50% 0%, rgba(91, 180, 255, 0.25), transparent 34rem),
    var(--panel);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow), 0 0 52px rgba(51, 160, 255, 0.12), inset 0 0 0 1px rgba(255, 255, 255, 0.075), inset 0 0 92px rgba(49, 151, 255, 0.12);
  overflow: hidden;
  isolation: isolate;
  transform-style: preserve-3d;
}

.cover-panel::before,
.cover-panel::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.cover-panel::before {
  inset: 8px;
  border: 1px solid rgba(89, 192, 255, 0.22);
  border-radius: 22px;
  background: linear-gradient(90deg, transparent, rgba(78, 184, 255, 0.06), transparent);
}

.cover-panel::after {
  left: 12%;
  right: 12%;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 196, 61, 0.92), transparent);
  box-shadow: 0 0 30px rgba(255, 196, 61, 0.52);
}

.panel-glow {
  position: absolute;
  inset: -34% -20% auto;
  height: 58%;
  background: radial-gradient(circle at 50% 8%, rgba(58, 162, 255, 0.26), transparent 39rem);
  z-index: -1;
}

.brand-hero { text-align: center; }

.brand-mark {
  position: relative;
  width: clamp(148px, 13.8vw, 214px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  margin: -4px auto clamp(8px, 1.2vw, 14px);
}

.mark-halo {
  position: absolute;
  inset: 0%;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 199, 76, 0.34), transparent 55%),
    radial-gradient(circle, rgba(69, 176, 255, 0.32), transparent 73%);
  box-shadow: 0 0 38px rgba(72, 184, 255, 0.34), 0 0 56px rgba(255, 177, 36, 0.28);
}

.brand-emblem {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  filter: brightness(1.12) contrast(1.08) saturate(1.12)
    drop-shadow(0 22px 32px rgba(0, 0, 0, 0.56))
    drop-shadow(0 0 26px rgba(69, 184, 255, 0.42))
    drop-shadow(0 0 34px rgba(255, 183, 38, 0.40));
}

.metal-title {
  margin: 0;
  font-family: Impact, Haettenschweiler, "Arial Black", "Segoe UI Black", Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(3.05rem, 6.8vw, 6.35rem);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: 0;
  text-transform: uppercase;
  text-shadow: 0 15px 28px rgba(0, 0, 0, 0.56), 0 0 26px rgba(255, 184, 43, 0.20);
}

.metal-title span { display: inline-block; }

.metal-title .silver {
  position: relative;
  padding-right: 0.16em;
  background: linear-gradient(180deg, #ffffff 0%, #dfe7ef 38%, #7a8796 56%, #ffffff 72%, #5a6878 100%);
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
}

.metal-title .silver::after {
  content: "";
  position: absolute;
  left: 0.08em;
  bottom: 0.06em;
  width: 0.22em;
  height: 0.34em;
  border-left: 0.045em solid rgba(255, 255, 255, 0.76);
  border-right: 0.045em solid rgba(255, 255, 255, 0.52);
  opacity: 0.45;
  transform: skewY(-8deg);
}

.metal-title .gold {
  background: linear-gradient(180deg, #fff8cb 0%, #ffd24d 23%, #d97900 48%, #ffe37f 69%, #8b4d00 100%);
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
}

.subtitle {
  max-width: 700px;
  margin: clamp(12px, 1.8vw, 18px) auto 0;
  color: #d6ecff;
  font-size: clamp(1.05rem, 1.75vw, 1.34rem);
  line-height: 1.58;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.subtitle::after {
  content: "";
  display: block;
  width: 84px;
  height: 2px;
  margin: 15px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 28px);
}

.product-card {
  position: relative;
  min-height: 254px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(26px, 3vw, 34px);
  border: 1px solid rgba(86, 199, 255, 0.38);
  border-radius: 21px;
  color: var(--ink);
  text-decoration: none;
  text-align: center;
  background:
    linear-gradient(122deg, transparent 0 65%, rgba(255,255,255,0.052) 65.5%, transparent 72%),
    radial-gradient(circle at 50% 0%, rgba(48, 191, 255, 0.13), transparent 14rem),
    rgba(3, 18, 43, 0.72);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.045), inset 0 20px 60px rgba(55, 164, 255, 0.035), 0 18px 42px rgba(0, 0, 0, 0.22);
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease, background 220ms ease;
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0 52%, rgba(255, 255, 255, 0.09) 53%, transparent 58%);
  opacity: 0;
  transition: opacity 220ms ease;
}

.product-card:hover,
.product-card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(255, 196, 61, 0.65);
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.32), 0 0 34px rgba(49, 165, 255, 0.17);
  outline: none;
}

.product-card:hover::before,
.product-card:focus-visible::before { opacity: 1; }

.product-icon {
  position: relative;
  z-index: 1;
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: end center;
  margin-bottom: 2px;
  color: var(--cyan);
  opacity: 0.88;
  filter: drop-shadow(0 0 12px rgba(49, 214, 255, 0.35));
}

.product-icon.bars i {
  display: block;
  width: 6px;
  border-radius: 2px 2px 0 0;
  border: 1px solid currentColor;
  background: linear-gradient(180deg, rgba(49, 214, 255, 0.30), rgba(49, 214, 255, 0.04));
}

.product-icon.bars {
  grid-template-columns: repeat(3, 8px);
  gap: 4px;
  align-items: end;
}

.product-icon.bars i:nth-child(1) { height: 18px; }
.product-icon.bars i:nth-child(2) { height: 28px; }
.product-icon.bars i:nth-child(3) { height: 38px; }

.product-icon.ledger {
  border: 2px solid currentColor;
  border-radius: 7px;
  box-shadow: inset -8px 0 0 rgba(49, 214, 255, 0.10);
}

.product-icon.ledger::before,
.product-icon.ledger::after,
.product-icon.ledger i {
  content: "";
  position: absolute;
  left: 13px;
  right: 8px;
  height: 2px;
  border-radius: 10px;
  background: currentColor;
}

.product-icon.ledger::before { top: 13px; }
.product-icon.ledger i { top: 21px; }
.product-icon.ledger::after { top: 29px; }

.product-icon.headset {
  border: 2px solid currentColor;
  border-bottom: 0;
  border-radius: 20px 20px 8px 8px;
  place-items: center;
}

.product-icon.headset::before,
.product-icon.headset::after {
  content: "";
  position: absolute;
  bottom: 2px;
  width: 8px;
  height: 17px;
  border: 2px solid currentColor;
  border-radius: 6px;
  background: rgba(49, 214, 255, 0.08);
}

.product-icon.headset::before { left: 3px; }
.product-icon.headset::after { right: 3px; }
.product-icon.headset i {
  position: absolute;
  right: 9px;
  bottom: -4px;
  width: 14px;
  height: 2px;
  border-radius: 10px;
  background: currentColor;
}

.score .product-icon { color: var(--gold); }
.defter .product-icon { color: #1688ff; }
.connect .product-icon { color: #35d9e8; }

.product-name {
  position: relative;
  z-index: 1;
  display: block;
  font-size: clamp(1.9rem, 2.6vw, 2.35rem);
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 8px 18px rgba(0, 0, 0, 0.44);
}

.score .product-name span { color: var(--gold); }
.defter .product-name span { color: #1688ff; }
.connect .product-name span { color: #35d9e8; }

.product-copy {
  position: relative;
  z-index: 1;
  display: block;
  min-height: 58px;
  color: #d8e8f8;
  font-size: 0.98rem;
  line-height: 1.55;
}

.product-button {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: 100%;
  min-height: 50px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(32, 127, 255, 0.98), rgba(4, 58, 158, 0.96));
  color: white;
  font-weight: 900;
  box-shadow: 0 14px 24px rgba(0, 75, 210, 0.25), inset 0 1px 0 rgba(255,255,255,0.22);
}

.score .product-button { background: linear-gradient(180deg, #ffc838, #f09a00); color: #061124; }
.connect .product-button { background: linear-gradient(180deg, #31d5e7, #066e80); }

.site-footer {
  width: min(100%, 1210px);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin-top: 20px;
  color: rgba(230, 238, 248, 0.82);
  font-size: 0.98rem;
  text-align: center;
}

.site-footer::before,
.site-footer::after {
  content: "";
  width: min(22vw, 190px);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 196, 61, 0.74));
}

.site-footer::after { background: linear-gradient(90deg, rgba(255, 196, 61, 0.74), transparent); }

@media (max-width: 920px) {
  .shell {
    padding: 20px 16px 24px;
  }

  .cover-panel {
    width: calc(100% - 0px);
    min-height: auto;
    border-radius: 26px;
    padding: 28px 22px;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-card {
    min-height: 210px;
  }

  .subtitle {
    letter-spacing: 0.07em;
  }

  .ambient-right {
    opacity: 0.30;
  }
}

@media (max-width: 560px) {
  .shell {
    padding: 14px 14px 20px;
  }

  .cover-panel {
    width: calc(100% - 0px);
    padding: 24px 16px;
    gap: 22px;
    border-radius: 22px;
  }

  .brand-mark {
    width: clamp(104px, 31vw, 136px);
  }

  .metal-title {
    font-size: clamp(2.35rem, 13vw, 4.15rem);
  }

  .metal-title .silver {
    padding-right: 0.08em;
  }

  .subtitle {
    font-size: 0.90rem;
    line-height: 1.48;
    letter-spacing: 0.055em;
  }

  .product-card {
    padding: 22px 20px;
    min-height: 214px;
  }

  .product-icon {
    width: 36px;
    height: 36px;
  }

  .product-name {
    font-size: 1.95rem;
  }

  .product-button {
    min-height: 50px;
  }

  .site-footer {
    font-size: 0.86rem;
    gap: 10px;
  }

  .site-footer::before,
  .site-footer::after {
    width: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}