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

html, body { overflow-x: hidden; max-width: 100%; }

:root {
  --bg: #0f0f0f;
  --bg-2: #141414;
  --bg-3: #1a1a1a;
  --border: #2a2a2a;
  --text: #e0e0e0;
  --muted: #888;
  --accent: #1D9E75;
  --accent-dim: #155c45;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', ui-monospace, 'SFMono-Regular', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  /* Category colours */
  --cat-crypto: #f59e0b;
  --cat-finance: #22c55e;
  --cat-space: #a78bfa;
  --cat-environment: #1D9E75;
  --cat-health: #f87171;
  --cat-tech: #3b82f6;
  --cat-research: #6366f1;
  --cat-regulatory: #f97316;
  --cat-logistics: #94a3b8;
  --cat-misc: #64748b;
  --cat-custom: #ec4899;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ===== LAYOUT ===== */
.container { max-width: min(1100px, 100%); margin: 0 auto; padding: 0 24px; width: 100%; }

/* ===== NAV ===== */
nav {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--muted); font-weight: 400; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--muted); font-size: 0.875rem; transition: color 0.15s; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* ===== HERO ===== */
.hero {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border);
}
.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.hero-tagline {
  font-size: 1.125rem;
  color: var(--muted);
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-tagline strong { color: var(--text); }
.hero-curl {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  max-width: 680px;
  width: 100%;
  overflow-x: auto;
  white-space: pre;
  margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #000;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.9; text-decoration: none; color: #000; }
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
}
.btn-ghost:hover { background: var(--accent-dim); color: var(--accent); }

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 24px;
}
.steps { display: flex; flex-direction: column; gap: 16px; max-width: 640px; }
.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--bg-3);
  border: 1px solid var(--border);
  width: 28px;
  height: 28px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.step-text { color: var(--text); font-size: 0.95rem; }
.step-text code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  background: var(--bg-3);
  padding: 1px 5px;
  border-radius: 3px;
}

/* Sample output */
.sample-output {
  margin-top: 36px;
  max-width: 760px;
}
.sample-output h3 {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 12px;
}
.sample-code {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
  overflow-x: auto;
  white-space: pre;
  line-height: 1.7;
}
.sample-code .evt-type { color: var(--accent); }
.sample-code .evt-field { color: #7dd3fc; }
.sample-code .evt-val { color: #a5f3fc; }
.sample-code .evt-more { color: #86efac; }

/* ===== CHANNEL DIRECTORY ===== */
.channel-directory { padding: 60px 0 80px; }
.dir-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}
.dir-header h2 {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
}
.channel-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 20px;
}

/* Filters */
.filters { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.search-wrap { position: relative; max-width: 400px; }
.search-wrap svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}
#channel-search {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
  padding: 10px 14px 10px 38px;
  outline: none;
  transition: border-color 0.15s;
}
#channel-search:focus { border-color: var(--accent); }
#channel-search::placeholder { color: var(--muted); }

.cat-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.cat-pill {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}
.cat-pill:hover { border-color: var(--accent); color: var(--text); }
.cat-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  font-weight: 600;
}

/* Channel grid */
#channel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  width: 100%;
  min-width: 0;
}

.channel-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.15s;
  min-width: 0;
  overflow: hidden;
}
.channel-card:hover { border-color: var(--accent-dim); }

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.card-name {
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.3;
}
.card-badges { display: flex; gap: 6px; flex-shrink: 0; align-items: center; }

.cat-badge {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.cat-crypto    { background: #451a03; color: var(--cat-crypto); }
.cat-finance   { background: #052e16; color: var(--cat-finance); }
.cat-space     { background: #2e1065; color: var(--cat-space); }
.cat-environment { background: #022c22; color: var(--cat-environment); }
.cat-health    { background: #450a0a; color: var(--cat-health); }
.cat-tech      { background: #1e3a5f; color: var(--cat-tech); }
.cat-research  { background: #1e1b4b; color: var(--cat-research); }
.cat-regulatory { background: #431407; color: var(--cat-regulatory); }
.cat-logistics { background: #1e293b; color: var(--cat-logistics); }
.cat-misc      { background: #1e293b; color: var(--cat-misc); }
.cat-custom    { background: #500724; color: var(--cat-custom); }

.cadence-badge {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--muted);
}

.card-desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}
.card-source {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: #555;
}

.card-curls { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.curl-row { display: flex; flex-direction: column; gap: 3px; }
.curl-label {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.curl-block {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  overflow-x: auto;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.15s;
}
.curl-block:hover { border-color: var(--accent); }

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--font-mono);
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 2px;
}
.subscriber-count { display: flex; align-items: center; gap: 5px; }
.verified-badge { color: var(--accent); font-size: 0.7rem; }

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  font-size: 0.8rem;
  color: var(--muted);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); transition: color 0.15s; }
.footer-links a:hover { color: var(--text); }
.footer-brand { font-family: var(--font-mono); }

/* ===== SHARE BUTTON ===== */
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  cursor: pointer;
  transition: all 0.15s;
}
.share-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}
.modal-overlay[hidden] { display: none; }

.modal-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.modal-box-sm { max-width: 460px; }

.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 0.15s;
}
.modal-close:hover { color: var(--text); }

.modal-step[hidden] { display: none; }

.modal-header { text-align: center; margin-bottom: 24px; }
.modal-icon { font-size: 2rem; margin-bottom: 10px; }
.modal-header h2 { font-size: 1.2rem; font-weight: 600; margin-bottom: 8px; }
.modal-sub { font-size: 0.875rem; color: var(--muted); line-height: 1.5; }

.terms-summary {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  margin-bottom: 20px;
}
.terms-summary h3 { font-size: 0.8rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 12px; }
.terms-summary ul { padding-left: 16px; display: flex; flex-direction: column; gap: 8px; }
.terms-summary li { font-size: 0.84rem; color: var(--text); line-height: 1.5; }
.terms-summary a { color: var(--accent); }

.modal-next-btn { width: 100%; justify-content: center; }
.modal-small { font-size: 0.78rem; color: var(--muted); text-align: center; margin-top: 12px; }

/* Form */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 0.82rem; font-family: var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.form-group input[type="text"],
.form-group input[type="email"] {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.15s;
  font-family: var(--font-sans);
}
.form-group input:focus { border-color: var(--accent); }
.form-hint { font-size: 0.75rem; color: var(--muted); }
.radio-group { display: flex; gap: 16px; }
.radio-opt { font-size: 0.875rem; color: var(--text); cursor: pointer; display: flex; align-items: center; gap: 6px; }
.form-error { background: rgba(248,113,113,0.1); border: 1px solid #f87171; border-radius: 6px; padding: 10px 14px; font-size: 0.85rem; color: #f87171; margin-bottom: 12px; }
#signup-submit-btn { width: 100%; justify-content: center; }

/* Token reveal */
.token-reveal-box {
  background: var(--bg-3);
  border: 1px solid var(--accent-dim);
  border-radius: 8px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.token-reveal-box code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  word-break: break-all;
  flex: 1;
}
.copy-token-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--accent);
  padding: 5px 10px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.15s;
}
.copy-token-btn:hover { background: var(--accent); color: #000; }
.token-next-steps { display: flex; flex-direction: column; gap: 8px; }
.token-next-label { font-size: 0.78rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 4px; }
.token-curl-box {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  overflow-x: auto;
  white-space: nowrap;
}

/* Share modal */
.share-options { display: flex; flex-direction: column; gap: 20px; }
.share-option { display: flex; flex-direction: column; gap: 8px; }
.share-option-label { font-size: 0.78rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.share-link-row { display: flex; align-items: center; gap: 8px; background: var(--bg-3); border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; }
.share-link-display { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.share-curl {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  overflow-x: auto;
  white-space: pre;
}
.share-inbox-link { align-self: flex-start; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  #channel-grid { grid-template-columns: 1fr; }
  .hero { padding: 50px 0 40px; }
  .nav-links { gap: 14px; }
  .modal-box { padding: 24px 20px; }
}
@media (max-width: 480px) {
  .hero-curl { font-size: 0.72rem; }
  .dir-header { flex-direction: column; align-items: flex-start; }
  .nav-links a:not(:last-child) { display: none; }
}