:root {
  --ink: #0e0f17;
  --ink-2: #161a27;
  --surface: #121827;
  --surface-2: #1d2436;
  --surface-3: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f4f6fb;
  --muted: #b5bfd8;
  --accent: #65f2c5;
  --accent-2: #ffb649;
  --accent-3: #7aa8ff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

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

body {
  font-family: "Space Grotesk", sans-serif;
  background: radial-gradient(circle at top left, rgba(122, 168, 255, 0.18), transparent 50%),
    radial-gradient(circle at 10% 20%, rgba(101, 242, 197, 0.18), transparent 40%),
    radial-gradient(circle at 90% 10%, rgba(255, 182, 73, 0.15), transparent 45%),
    var(--ink);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  inset: 0;
  background: linear-gradient(120deg, rgba(16, 24, 40, 0.7), rgba(16, 24, 40, 0.2));
  pointer-events: none;
  z-index: -2;
}

.grain {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
  pointer-events: none;
  z-index: -1;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 6vw;
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  background: rgba(10, 13, 22, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a0f1d;
  font-weight: 700;
}

.top-links {
  display: flex;
  gap: 18px;
  align-items: center;
}

.top-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.top-links a:hover {
  color: var(--text);
}

.top-links .cta {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

main {
  padding: 40px 6vw 80px;
}

.hero {
  display: grid;
  gap: 40px;
}

.hero-copy {
  max-width: 560px;
}

.eyebrow {
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin-bottom: 18px;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.signal {
  padding: 16px;
  border-radius: 16px;
  background: var(--surface-3);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.signal-title {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.signal-text {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.card {
  background: var(--surface);
  border-radius: 22px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.card-header h2 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.card-header p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--muted);
}

.field input,
.field select {
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: "Space Grotesk", sans-serif;
}

.field input:focus,
.field select:focus {
  outline: 2px solid rgba(101, 242, 197, 0.35);
  border-color: rgba(101, 242, 197, 0.6);
}

.field-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 6px;
  flex-wrap: wrap;
}

button {
  border: none;
  cursor: pointer;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.95rem;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.primary {
  padding: 12px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0f1b;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(101, 242, 197, 0.2);
}

.ghost {
  padding: 12px 20px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
}

.note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.85rem;
}

.preview-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.preview-box {
  min-height: 120px;
  border-radius: 16px;
  padding: 16px;
  background: rgba(8, 10, 18, 0.6);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.85rem;
  word-break: break-all;
}

.preview-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.status {
  min-height: 22px;
  font-size: 0.85rem;
  color: var(--accent-3);
}

.divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.tips h3 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.tips ul {
  list-style: none;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.tips li {
  padding-left: 20px;
  position: relative;
}

.tips li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin: 60px 0 40px;
}

.flow-card {
  padding: 20px;
  border-radius: 18px;
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.flow-card h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.flow-card p {
  color: var(--muted);
  font-size: 0.92rem;
}

.saved {
  margin-top: 40px;
}

.saved-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.saved-header p {
  color: var(--muted);
}

.saved-list {
  display: grid;
  gap: 12px;
}

.saved-item {
  background: var(--surface-2);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 8px;
}

.saved-item h4 {
  font-size: 1rem;
}

.saved-item p {
  color: var(--muted);
  font-size: 0.85rem;
  font-family: "DM Mono", monospace;
  word-break: break-all;
}

.saved-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.saved-actions button {
  font-size: 0.85rem;
}

.footer {
  padding: 40px 6vw 60px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 760px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .top-links {
    flex-wrap: wrap;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }
}