/* === Design System === */
:root {
  --bg-deep: #0A0A1A;
  --bg-surface: #111128;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);

  --eth-blue: #627EEA;
  --miami-teal: #00E5CC;
  --miami-pink: #FF6EC7;
  --miami-coral: #FF4F81;
  --miami-orange: #FF8C42;
  --neon-glow: #00FFD5;

  --text-primary: #F0F0F8;
  --text-muted: #8888AA;
  --text-dim: #555570;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.12);

  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius: 8px;
  --radius-lg: 12px;
  --max-width: 720px;
  --max-width-wide: 1080px;
}

/* === Reset === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-deep);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(98, 126, 234, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 229, 204, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(255, 110, 199, 0.06) 0%, transparent 50%);
  background-size: 200% 200%;
  animation: bgDrift 20s ease-in-out infinite alternate;
}

@keyframes bgDrift {
  0%   { background-position: 0% 0%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 50% 100%; }
}

/* Star-field overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.15) 50%, transparent 50%),
    radial-gradient(1px 1px at 40% 70%, rgba(255,255,255,0.1) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 70% 30%, rgba(255,255,255,0.12) 50%, transparent 50%),
    radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,0.08) 50%, transparent 50%);
  background-size: 250px 250px;
  pointer-events: none;
  z-index: 0;
  animation: starDrift 60s linear infinite;
}

@keyframes starDrift {
  to { transform: translateY(-250px); }
}

/* Grid overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Content layer above bg */
.container, .container-wide, main, article, section, .portal-wrap, .login-wrap,
.pricing-section, .archive-list {
  position: relative;
  z-index: 1;
}

a {
  color: var(--miami-teal);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--neon-glow);
}

img {
  max-width: 100%;
  height: auto;
}

/* === Typography === */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

/* === Layout === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.container-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 20px;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--eth-blue);
  color: #fff;
}

.btn-primary:hover {
  background: #7B94F0;
  color: #fff;
}

.btn-teal {
  background: var(--miami-teal);
  color: var(--bg-deep);
}

.btn-teal:hover {
  background: var(--neon-glow);
  color: var(--bg-deep);
}

.btn-pink {
  background: var(--miami-pink);
  color: var(--bg-deep);
}

.btn-pink:hover {
  background: #FF8ED4;
  color: var(--bg-deep);
}

.btn-coral {
  background: var(--miami-coral);
  color: #fff;
}

.btn-coral:hover {
  background: #FF6F98;
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-outline:hover {
  border-color: var(--miami-teal);
  color: var(--miami-teal);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8125rem;
}

/* === Forms === */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--eth-blue);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238888AA' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* === Cards === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.card:hover {
  border-color: rgba(0, 229, 204, 0.2);
  box-shadow: 0 0 30px rgba(0, 229, 204, 0.05), inset 0 1px 0 rgba(255,255,255,0.04);
}

/* === Site Header (Glass Morphism) === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 16px 0;
  background: rgba(10, 10, 26, 0.75);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 20px;
}

.site-header .logo {
  font-family: var(--font-body);
  font-size: 1.375rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  transition: opacity 0.2s;
}

.site-header .logo:hover {
  opacity: 0.85;
}

.logo-diamond {
  width: 20px;
  height: 20px;
  vertical-align: -3px;
  margin-right: 6px;
  filter: drop-shadow(0 0 6px rgba(98,126,234,0.4));
}

.logo-eth { color: var(--eth-blue); }
.logo-dot { color: var(--text-muted); font-weight: 300; }
.logo-miami {
  background: linear-gradient(135deg, var(--miami-pink), var(--miami-coral), var(--miami-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-header nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.site-header nav a {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.site-header nav a:hover {
  color: var(--miami-teal);
}

.site-header nav a.nav-cta {
  color: var(--bg-deep);
  background: var(--miami-coral);
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  -webkit-text-fill-color: #fff;
  transition: background 0.2s;
}

.site-header nav a.nav-cta:hover {
  background: #FF6F98;
}

/* === Footer === */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 48px 20px;
  text-align: center;
  margin-top: 80px;
  position: relative;
  z-index: 1;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,110,199,0.3), transparent);
}

.site-footer p {
  font-size: 0.8125rem;
  color: var(--text-dim);
}

.site-footer nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
}

.site-footer nav a {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}

.social-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.social-links a:hover {
  color: var(--miami-coral);
}

.social-links svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* === Email Signup === */
.email-signup {
  margin: 48px 0;
  padding: 40px 32px;
  background: linear-gradient(135deg, rgba(98,126,234,0.06) 0%, rgba(0,229,204,0.04) 100%);
  border: 1px solid rgba(0, 229, 204, 0.12);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.email-signup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--miami-coral), var(--miami-pink), var(--miami-teal));
}

.email-signup h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--text-primary), var(--miami-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.email-signup p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.email-signup form {
  display: flex;
  gap: 8px;
  max-width: 420px;
  margin: 0 auto;
}

.email-signup input[type="email"] {
  flex: 1;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  background: rgba(10, 10, 26, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  color: var(--text-primary);
  transition: border-color 0.2s;
}

.email-signup input[type="email"]:focus {
  outline: none;
  border-color: var(--miami-teal);
}

.signup-qr {
  margin-top: 20px;
}

.signup-qr img {
  border-radius: var(--radius);
  opacity: 0.85;
  transition: opacity 0.2s;
}

.signup-qr img:hover {
  opacity: 1;
}

.signup-qr p {
  font-size: 0.75rem;
  margin-top: 6px;
}

/* === Alerts === */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 20px;
}

.alert-success {
  background: rgba(0, 229, 204, 0.1);
  border: 1px solid rgba(0, 229, 204, 0.2);
  color: var(--miami-teal);
}

.alert-error {
  background: rgba(255, 79, 129, 0.1);
  border: 1px solid rgba(255, 79, 129, 0.2);
  color: var(--miami-coral);
}

/* === Animations === */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up { animation: fadeUp 0.6s ease-out both; }
.fade-up-d1 { animation-delay: 0.1s; }
.fade-up-d2 { animation-delay: 0.2s; }
.fade-up-d3 { animation-delay: 0.3s; }
.fade-up-d4 { animation-delay: 0.4s; }
.fade-up-d5 { animation-delay: 0.5s; }

/* === Utility === */
.text-muted { color: var(--text-muted); }
.text-teal { color: var(--miami-teal); }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

@media (max-width: 600px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  .email-signup form {
    flex-direction: column;
  }
  .site-header .container {
    flex-wrap: wrap;
  }
  .site-header nav {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
    gap: 16px;
  }
}