:root {
  --ink: #f2f7ff;
  --ink-soft: rgba(242, 247, 255, 0.78);
  --line: rgba(138, 197, 255, 0.42);
  --glow: rgba(95, 182, 255, 0.5);
  --panel: rgba(13, 24, 38, 0.84);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 25%, rgba(87, 164, 239, 0.16), transparent 18rem),
    linear-gradient(180deg, rgba(7, 15, 24, 0.28), rgba(7, 15, 24, 0.18)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 33.333%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 33.333%),
    linear-gradient(180deg, #1f2833 0%, #121a23 100%);
  background-size: auto, auto, 33.333% 100%, 100% 33.333%, auto;
}

.landing-scene {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  position: relative;
  overflow: hidden;
}

.landing-scene::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 30%, rgba(135, 207, 255, 0.08), transparent 16rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 32%);
  pointer-events: none;
}

.neon-panel {
  position: relative;
  z-index: 2;
  width: min(100%, 720px);
  padding: clamp(2rem, 5vw, 3.25rem);
  border: 2px solid rgba(163, 214, 255, 0.92);
  background:
    linear-gradient(180deg, rgba(20, 33, 49, 0.94), rgba(10, 20, 31, 0.92)),
    var(--panel);
  box-shadow:
    0 0 0 1px rgba(147, 209, 255, 0.18),
    0 0 18px rgba(146, 215, 255, 0.32),
    0 0 42px rgba(95, 182, 255, 0.28),
    0 0 78px rgba(95, 182, 255, 0.18),
    inset 0 0 54px rgba(91, 175, 255, 0.08);
  text-align: center;
}

.neon-panel::before {
  content: "";
  position: absolute;
  inset: -10px;
  border: 1px solid rgba(115, 194, 255, 0.2);
  opacity: 0.7;
  pointer-events: none;
}

.neon-panel::after {
  content: "";
  position: absolute;
  inset: -22px;
  border: 2px solid rgba(143, 212, 255, 0.12);
  box-shadow:
    0 0 30px rgba(128, 205, 255, 0.26),
    0 0 72px rgba(95, 182, 255, 0.16);
  opacity: 0.95;
  filter: blur(8px);
  pointer-events: none;
}

.panel-chip {
  position: absolute;
  top: 1.25rem;
  font-size: clamp(1rem, 2vw, 1.55rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(242, 247, 255, 0.92);
}

.panel-chip-left {
  left: 1.4rem;
}

.panel-chip-right {
  right: 1.4rem;
}

.landing-logo-wrap {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: min(100%, 440px);
  margin: 0 auto 1.6rem;
  padding: 0.2rem 0.35rem;
}

.landing-logo {
  width: 100%;
  max-width: 390px;
  margin: 0 auto;
  filter:
    brightness(1.28)
    saturate(1.28)
    contrast(1.06)
    drop-shadow(0 0 10px rgba(206, 236, 255, 0.42))
    drop-shadow(0 0 28px rgba(118, 197, 255, 0.34))
    drop-shadow(0 0 54px rgba(92, 177, 255, 0.2));
}

.landing-title {
  margin: 0;
  font-family: Helvetica, Arial, sans-serif;
  font-size: clamp(0.96rem, 1.45vw, 1.35rem);
  line-height: 1.02;
  letter-spacing: 0.22em;
  font-weight: 400;
  color: #f7fbff;
  text-shadow:
    0 0 10px rgba(195, 231, 255, 0.12),
    0 0 22px rgba(109, 192, 255, 0.08);
}

.scene-glow {
  position: absolute;
  inset: auto 50% 13%;
  width: min(56vw, 720px);
  height: 140px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(97, 187, 255, 0.18), transparent 70%);
  filter: blur(20px);
  z-index: 1;
  pointer-events: none;
}

.scene-base {
  position: absolute;
  inset: auto 0 0;
  height: 18vh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 1.25rem;
  z-index: 1;
  pointer-events: none;
}

.scene-base-line {
  width: min(24vw, 260px);
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent);
}

@media (max-width: 760px) {
  .neon-panel {
    width: min(100%, 520px);
    padding: 2rem 1.35rem 1.8rem;
  }

  .panel-chip {
    top: 0.95rem;
    font-size: 0.95rem;
  }

  .panel-chip-left {
    left: 1rem;
  }

  .panel-chip-right {
    right: 1rem;
  }

  .landing-logo-wrap {
    width: min(100%, 320px);
    margin-bottom: 1.2rem;
  }

  .landing-title {
    font-size: clamp(0.86rem, 3.6vw, 1rem);
  }
}