:root {
  --bg: #05070b;
  --bg-elevated: #0c1017;
  --accent: #4f8cff;
  --accent-soft: rgba(79, 140, 255, 0.14);
  --text-main: #f5f7ff;
  --text-muted: #a2a8c3;
  --border-subtle: #1c2233;
  --card-bg: #101522;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.55);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Global resets */

body {
  line-height: 1.55;
}


*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-main);
  background: radial-gradient(circle at top, #151a2b 0, #05070b 55%);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

/* Layout helpers */

.container {
  width: min(1120px, 100% - 2.5rem);
  margin: 0 auto;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(5, 7, 11, 0.96),
    rgba(5, 7, 11, 0.75),
    transparent
  );
  border-bottom: 1px solid rgba(57, 68, 104, 0.5);
  box-shadow: 0 8px 14px rgba(0, 0, 0, 0.28);

}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo {
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-main);
}

/* Nav */

.nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.18s ease-out;
}

.nav a:hover {
  color: var(--text-main);
}

.nav a:hover::after {
  width: 100%;
}

/* Hero */

.hero-panel {
  animation: fadeSlideUp 0.7s ease-out forwards;
}


.hero {
  padding: 3.5rem 0 2.5rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Hero panel wrapper we added */

.hero-panel {
  background: radial-gradient(
      circle at top left,
      rgba(79, 140, 255, 0.12),
      rgba(5, 7, 15, 0.9)
    );
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.6rem 1.4rem;
  box-shadow: var(--shadow-soft);
}

.hero h2 {
  font-size: clamp(2rem, 3vw, 2.5rem);
  margin-bottom: 0.75rem;
}

.hero p {
  color: var(--text-muted);
  max-width: 40rem;
}

.hero-note {
  font-size: 0.85rem;
  margin-top: 0.75rem;
  color: var(--text-muted);
}

/* Button */

.primary-btn {
  margin-top: 1rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(79, 140, 255, 0.7);
  background: linear-gradient(120deg, var(--accent), #7f6bff);
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition:
    transform 0.08s ease-out,
    box-shadow 0.08s ease-out,
    filter 0.08s ease-out;
}

.primary-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.primary-btn:active {
  transform: translateY(0);
  filter: brightness(0.97);
  box-shadow: none;
}

/* Sections */

.section {
  padding: 1.5rem 0 2.5rem;
}

.section + .section {
  border-top: 1px solid var(--border-subtle);
}

.section h3 {
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}

.section-intro {
  color: var(--text-muted);
  max-width: 30rem;
  margin-bottom: 1.3rem;
  .section-intro {
  line-height: 1.6;
}

}

/* Cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
}

.card {
  background: radial-gradient(circle at top left, var(--accent-soft), var(--card-bg));
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.1rem 1.1rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.32);
}

.card h4 {
  margin-top: 0;
  margin-bottom: 0.45rem;
  font-size: 1rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.card-link {
  display: inline-block;
  margin-top: 0.65rem;
  font-size: 0.85rem;
}

/* Lists */

.simple-list {
  list-style: none;
  padding-left: 0;
  margin: 0.4rem 0 0;
}

.simple-list li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.3rem;
}

.simple-list li::before {
  content: "•";
  position: absolute;
  left: 0.2rem;
  color: var(--accent);
}

/* Notify form */

.notify-form {
  margin-top: 1.2rem;
  max-width: 420px;
}

.notify-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.notify-input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.notify-input-row input[type="email"] {
  flex: 1;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: #050814;
  color: var(--text-main);
  font-size: 0.9rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.notify-input-row input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.25);

}

.notify-input-row input::placeholder {
  color: #5c6480;
}

.notify-message {
  font-size: 0.8rem;
  margin-top: 0.4rem;
  min-height: 1.1rem;
  opacity: 0.95;
}

.notify-message.success,
.notify-message.error {
  animation: fadeIn 0.25s ease-out;
}


.notify-message.success {
  color: #7fe89b;
}

.notify-message.error {
  color: #ff9b9b;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.3rem 0 1.8rem;
  margin-top: 1rem;
}

.footer-content {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Responsive tweaks */

@media (max-width: 640px) {
  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  .nav {
    gap: 1rem;
    font-size: 0.82rem;
  }

  .hero {
    padding-top: 2.4rem;
  }

  /* stack notify input + button on small screens */
  .notify-input-row {
    flex-direction: column;
    align-items: stretch;
  }

  .notify-input-row input[type="email"],
  .notify-input-row .primary-btn {
    width: 100%;
  }
}