* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-main: #020611;
  --bg-deep: #040b18;
  --bg-top: #0a1830;
  --card-bg: rgba(7, 16, 30, 0.34);
  --card-border: rgba(255, 255, 255, 0.09);
  --text: #f5f7fb;
  --muted: #b9c5d9;
  --accent: #6ddcff;
  --accent-2: #9bffcb;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

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

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 0%, #10274a 0%, #071225 28%, #030813 60%, #020611 100%);
  overflow: hidden;
}

.hero {
  min-height: 100vh;
  position: relative;
  display: grid;
  place-items: center;
  padding: 28px;
  overflow: hidden;
}

/* =========================
   SPACE BACKGROUND
========================= */

.space-bg,
.stars,
.twinkle-layer,
.shooting-stars,
.nebula {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.space-bg {
  z-index: 0;
}

.nebula {
  filter: blur(70px);
  opacity: 0.22;
  animation: floatNebula 18s ease-in-out infinite alternate;
}

.nebula-1 {
  background: radial-gradient(circle, rgba(64, 180, 255, 0.55) 0%, transparent 60%);
  width: 38vw;
  height: 38vw;
  top: -10%;
  left: -8%;
}

.nebula-2 {
  background: radial-gradient(circle, rgba(124, 255, 201, 0.35) 0%, transparent 60%);
  width: 34vw;
  height: 34vw;
  top: 45%;
  right: -8%;
  animation-duration: 22s;
}

.nebula-3 {
  background: radial-gradient(circle, rgba(115, 138, 255, 0.30) 0%, transparent 62%);
  width: 30vw;
  height: 30vw;
  top: 12%;
  right: 24%;
  animation-duration: 26s;
}

.stars {
  background-repeat: repeat;
  opacity: 1;
}

.stars-small {
  background-image:
    radial-gradient(1px 1px at 25px 35px, rgba(255,255,255,0.95), transparent),
    radial-gradient(1px 1px at 110px 140px, rgba(255,255,255,0.85), transparent),
    radial-gradient(1px 1px at 220px 70px, rgba(255,255,255,0.85), transparent),
    radial-gradient(1px 1px at 340px 180px, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 450px 50px, rgba(255,255,255,0.9), transparent),
    radial-gradient(1px 1px at 560px 240px, rgba(255,255,255,0.78), transparent),
    radial-gradient(1px 1px at 700px 120px, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 820px 300px, rgba(255,255,255,0.88), transparent),
    radial-gradient(1px 1px at 940px 80px, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 1080px 220px, rgba(255,255,255,0.9), transparent),
    radial-gradient(1px 1px at 1220px 130px, rgba(255,255,255,0.76), transparent),
    radial-gradient(1px 1px at 1340px 260px, rgba(255,255,255,0.84), transparent),
    radial-gradient(1px 1px at 1460px 90px, rgba(255,255,255,0.85), transparent),
    radial-gradient(1px 1px at 1580px 200px, rgba(255,255,255,0.9), transparent),
    radial-gradient(1px 1px at 1700px 60px, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 180px 420px, rgba(255,255,255,0.9), transparent),
    radial-gradient(1px 1px at 360px 520px, rgba(255,255,255,0.75), transparent),
    radial-gradient(1px 1px at 620px 460px, rgba(255,255,255,0.86), transparent),
    radial-gradient(1px 1px at 860px 540px, rgba(255,255,255,0.82), transparent),
    radial-gradient(1px 1px at 1120px 500px, rgba(255,255,255,0.95), transparent),
    radial-gradient(1px 1px at 1360px 580px, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 1620px 490px, rgba(255,255,255,0.84), transparent),
    radial-gradient(1px 1px at 260px 760px, rgba(255,255,255,0.78), transparent),
    radial-gradient(1px 1px at 540px 720px, rgba(255,255,255,0.9), transparent),
    radial-gradient(1px 1px at 880px 760px, rgba(255,255,255,0.82), transparent),
    radial-gradient(1px 1px at 1260px 720px, rgba(255,255,255,0.88), transparent),
    radial-gradient(1px 1px at 1520px 780px, rgba(255,255,255,0.74), transparent);
  background-size: 1800px 900px;
  animation: driftStarsA 120s linear infinite;
  opacity: 0.7;
}

.stars-medium {
  background-image:
    radial-gradient(1.5px 1.5px at 90px 90px, rgba(255,255,255,0.95), transparent),
    radial-gradient(1.5px 1.5px at 270px 210px, rgba(255,255,255,0.9), transparent),
    radial-gradient(1.5px 1.5px at 520px 110px, rgba(255,255,255,0.88), transparent),
    radial-gradient(1.5px 1.5px at 740px 190px, rgba(255,255,255,0.9), transparent),
    radial-gradient(1.5px 1.5px at 960px 150px, rgba(255,255,255,0.8), transparent),
    radial-gradient(1.5px 1.5px at 1180px 260px, rgba(255,255,255,0.92), transparent),
    radial-gradient(1.5px 1.5px at 1440px 140px, rgba(255,255,255,0.82), transparent),
    radial-gradient(1.5px 1.5px at 1660px 260px, rgba(255,255,255,0.92), transparent),
    radial-gradient(1.5px 1.5px at 210px 610px, rgba(255,255,255,0.88), transparent),
    radial-gradient(1.5px 1.5px at 610px 540px, rgba(255,255,255,0.95), transparent),
    radial-gradient(1.5px 1.5px at 980px 620px, rgba(255,255,255,0.86), transparent),
    radial-gradient(1.5px 1.5px at 1320px 560px, rgba(255,255,255,0.92), transparent),
    radial-gradient(1.5px 1.5px at 1560px 700px, rgba(255,255,255,0.85), transparent);
  background-size: 1800px 900px;
  animation: driftStarsB 180s linear infinite;
  opacity: 0.8;
}

.stars-large {
  background-image:
    radial-gradient(2px 2px at 180px 120px, rgba(255,255,255,1), transparent),
    radial-gradient(2px 2px at 640px 180px, rgba(255,255,255,0.95), transparent),
    radial-gradient(2px 2px at 1020px 90px, rgba(255,255,255,0.95), transparent),
    radial-gradient(2px 2px at 1480px 180px, rgba(255,255,255,1), transparent),
    radial-gradient(2px 2px at 300px 520px, rgba(255,255,255,0.95), transparent),
    radial-gradient(2px 2px at 820px 620px, rgba(255,255,255,1), transparent),
    radial-gradient(2px 2px at 1410px 560px, rgba(255,255,255,0.95), transparent),
    radial-gradient(2px 2px at 1700px 720px, rgba(255,255,255,0.9), transparent);
  background-size: 1800px 900px;
  animation: driftStarsC 240s linear infinite;
  opacity: 0.95;
}

.twinkle-layer {
  background:
    radial-gradient(circle at 18% 22%, rgba(109,220,255,0.12) 0%, transparent 18%),
    radial-gradient(circle at 78% 30%, rgba(155,255,203,0.10) 0%, transparent 16%),
    radial-gradient(circle at 54% 70%, rgba(109,220,255,0.07) 0%, transparent 20%);
  animation: twinkleGlow 8s ease-in-out infinite alternate;
  opacity: 0.7;
}

/* =========================
   METEORS
========================= */

.shooting-stars {
  z-index: 1;
}

.meteor {
  position: absolute;
  width: 220px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,0.98));
  opacity: 0;
  transform: rotate(-28deg);
  filter: drop-shadow(0 0 8px rgba(255,255,255,0.75));
}

.meteor::before {
  content: "";
  position: absolute;
  right: 0;
  top: -1px;
  width: 10px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,0.98);
  box-shadow: 0 0 14px rgba(255,255,255,0.95);
}

.meteor.fast {
  animation: meteorFast 5s linear infinite;
}

.meteor.medium {
  animation: meteorMedium 8s linear infinite;
}

.meteor.slow {
  animation: meteorSlow 12s linear infinite;
}

.meteor:nth-child(1)  { top: 8%;  left: 82%; animation-delay: 0s; }
.meteor:nth-child(2)  { top: 16%; left: 58%; animation-delay: 1.8s; }
.meteor:nth-child(3)  { top: 22%; left: 88%; animation-delay: 3.4s; }
.meteor:nth-child(4)  { top: 12%; left: 42%; animation-delay: 0.9s; }
.meteor:nth-child(5)  { top: 28%; left: 74%; animation-delay: 2.6s; }
.meteor:nth-child(6)  { top: 34%; left: 92%; animation-delay: 4.8s; }
.meteor:nth-child(7)  { top: 10%; left: 64%; animation-delay: 5.5s; }
.meteor:nth-child(8)  { top: 20%; left: 36%; animation-delay: 6.8s; }
.meteor:nth-child(9)  { top: 26%; left: 68%; animation-delay: 7.9s; }
.meteor:nth-child(10) { top: 32%; left: 52%; animation-delay: 2.2s; }
.meteor:nth-child(11) { top: 6%;  left: 72%; animation-delay: 8.4s; }
.meteor:nth-child(12) { top: 18%; left: 84%; animation-delay: 9.1s; }
.meteor:nth-child(13) { top: 24%; left: 48%; animation-delay: 10.2s; }
.meteor:nth-child(14) { top: 30%; left: 79%; animation-delay: 11s; }

/* =========================
   CARD
========================= */

.card {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1120px;
  padding: 76px 68px;
  border: 1px solid var(--card-border);
  border-radius: 30px;
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  box-shadow:
    var(--shadow),
    0 0 65px rgba(109, 220, 255, 0.05),
    inset 0 1px 0 rgba(255,255,255,0.05);
  text-align: center;
}

.badge {
  display: inline-block;
  margin-bottom: 26px;
  padding: 10px 18px;
  border: 1px solid rgba(109, 220, 255, 0.34);
  border-radius: 999px;
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 3px;
  font-weight: 700;
  box-shadow: 0 0 20px rgba(109,220,255,0.10);
}

h1 {
  font-size: clamp(4rem, 8vw, 7rem);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -2px;
  text-shadow:
    0 0 18px rgba(255,255,255,0.05),
    0 0 30px rgba(109,220,255,0.08);
}

.owner {
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  color: var(--accent);
  margin-bottom: 18px;
  font-weight: 600;
  letter-spacing: 0.4px;
}

.subtitle {
  font-size: clamp(1.55rem, 2.4vw, 2.15rem);
  color: var(--muted);
  margin-bottom: 38px;
  line-height: 1.45;
}

.lines {
  display: grid;
  gap: 18px;
  margin-bottom: 42px;
}

.lines p {
  font-size: clamp(1.28rem, 2vw, 1.75rem);
  line-height: 1.7;
  color: #e8edf8;
  text-shadow: 0 0 10px rgba(255,255,255,0.02);
}

.actions {
  display: flex;
  justify-content: center;
  margin-bottom: 34px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 18px 34px;
  border-radius: 16px;
  font-weight: 800;
  font-size: 1.18rem;
  transition: transform 0.22s ease, opacity 0.22s ease, box-shadow 0.22s ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #07111d;
  box-shadow:
    0 12px 34px rgba(109, 220, 255, 0.22),
    0 0 20px rgba(109, 220, 255, 0.10);
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
  opacity: 0.98;
}

.footer {
  color: var(--muted);
  font-size: 1.04rem;
  letter-spacing: 0.4px;
}

/* =========================
   ANIMATIONS
========================= */

@keyframes driftStarsA {
  from { transform: translateX(0); }
  to   { transform: translateX(-180px); }
}

@keyframes driftStarsB {
  from { transform: translateX(0); }
  to   { transform: translateX(-260px); }
}

@keyframes driftStarsC {
  from { transform: translateX(0); }
  to   { transform: translateX(-120px); }
}

@keyframes twinkleGlow {
  0% {
    opacity: 0.45;
    transform: scale(1);
  }
  100% {
    opacity: 0.78;
    transform: scale(1.04);
  }
}

@keyframes floatNebula {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(20px, -12px) scale(1.08);
  }
}

@keyframes meteorFast {
  0% {
    opacity: 0;
    transform: translate(0, 0) rotate(-28deg);
  }
  8% {
    opacity: 1;
  }
  24% {
    opacity: 0;
    transform: translate(-620px, 320px) rotate(-28deg);
  }
  100% {
    opacity: 0;
    transform: translate(-620px, 320px) rotate(-28deg);
  }
}

@keyframes meteorMedium {
  0% {
    opacity: 0;
    transform: translate(0, 0) rotate(-28deg);
  }
  10% {
    opacity: 1;
  }
  34% {
    opacity: 0;
    transform: translate(-560px, 290px) rotate(-28deg);
  }
  100% {
    opacity: 0;
    transform: translate(-560px, 290px) rotate(-28deg);
  }
}

@keyframes meteorSlow {
  0% {
    opacity: 0;
    transform: translate(0, 0) rotate(-28deg);
  }
  12% {
    opacity: 1;
  }
  42% {
    opacity: 0;
    transform: translate(-500px, 260px) rotate(-28deg);
  }
  100% {
    opacity: 0;
    transform: translate(-500px, 260px) rotate(-28deg);
  }
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {
  .card {
    padding: 50px 28px;
    border-radius: 24px;
  }

  h1 {
    letter-spacing: -1px;
  }

  .nebula {
    opacity: 0.16;
  }
}

@media (max-width: 640px) {
  body {
    overflow: auto;
  }

  .hero {
    padding: 18px;
  }

  .card {
    padding: 36px 20px;
    border-radius: 20px;
    background: rgba(7, 16, 30, 0.48);
    backdrop-filter: blur(6px);
  }

  .badge {
    font-size: 12px;
    letter-spacing: 2px;
  }

  .lines p {
    font-size: 1.08rem;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .meteor {
    width: 140px;
  }
}