:root {
  --bg-1: #0b0f1f;
  --bg-2: #0f2a3d;
  --accent-1: #00f5d4;
  --accent-2: #7cff6b;
  --accent-3: #6aa9ff;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-strong: rgba(255, 255, 255, 0.14);
  --text: #e6f1ff;
  --muted: #9fb3c8;
  --danger: #ff6b6b;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --radius-lg: 28px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% 10%, #17324a 0%, transparent 60%),
    radial-gradient(1000px 800px at 90% 20%, #1a3c5c 0%, transparent 50%),
    linear-gradient(160deg, var(--bg-1), var(--bg-2));
  min-height: 100%;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: -20% -20% auto auto;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(0, 245, 212, 0.45), transparent 65%);
  filter: blur(10px);
  opacity: 0.55;
  pointer-events: none;
  animation: floatBlob 18s ease-in-out infinite;
}

body::after {
  inset: auto auto -20% -10%;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle at 70% 30%, rgba(106, 169, 255, 0.45), transparent 65%);
  animation-delay: -6s;
}

@keyframes floatBlob {
  0%, 100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(30px, -20px, 0) scale(1.05);
  }
}

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

.wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px 100px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.2rem;
}

.badge {
  padding: 6px 14px;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(0, 245, 212, 0.15), rgba(106, 169, 255, 0.25));
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.hero {
  display: grid;
  gap: 30px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: center;
}

.card {
  background: var(--glass);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.card-strong {
  background: var(--glass-strong);
}

h1, h2, h3 {
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
}

p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.6;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent-1), var(--accent-3));
  color: #04121f;
  font-weight: 700;
  letter-spacing: 0.03em;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 30px rgba(0, 245, 212, 0.35);
}

.cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 18px 40px rgba(0, 245, 212, 0.45);
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.info-pill {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(4, 14, 28, 0.6);
}

.form {
  display: grid;
  gap: 18px;
}

.form-row {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

label {
  font-size: 0.9rem;
  color: var(--muted);
}

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(8, 18, 34, 0.7);
  color: var(--text);
  outline: none;
}

input:focus, textarea:focus {
  border-color: rgba(0, 245, 212, 0.6);
  box-shadow: 0 0 0 2px rgba(0, 245, 212, 0.15);
}

input[type="file"] {
  padding: 10px;
}

.helper {
  font-size: 0.8rem;
  color: var(--muted);
}

.stepper {
  display: flex;
  gap: 10px;
  margin: 24px 0 10px;
}

.step {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.step span {
  display: block;
  height: 100%;
  background: linear-gradient(120deg, var(--accent-1), var(--accent-3));
  width: 0;
  transition: width 0.6s ease;
}

.step.active span {
  width: 100%;
}

.notice {
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.notice strong {
  color: var(--accent-2);
}

.qr {
  display: grid;
  place-items: center;
  padding: 20px;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px dashed rgba(255, 255, 255, 0.2);
}

.qr img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(0, 245, 212, 0.35));
}

.popup {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(3, 10, 20, 0.65);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.popup.active {
  opacity: 1;
  pointer-events: all;
}

.popup-card {
  width: min(420px, 90%);
  padding: 26px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 999px;
  cursor: pointer;
}

.footer {
  text-align: center;
  margin-top: 60px;
  color: var(--muted);
}

@media (max-width: 720px) {
  .nav {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .button-row {
    flex-direction: column;
  }
}