/* ═══════════════════════════════════════════════
   SignalMover — Self-contained stylesheet
   No external references. All styles inline.
   ═══════════════════════════════════════════════ */

:root {
  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
  --bg: #0b1120;
  --bg-card: #111827;
  --bg-card2: #1e293b;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --border: #1e293b;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Courier New', monospace;
}

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

html { scroll-behavior: smooth; }

body { background: var(--bg); color: var(--text-main); font-family: var(--font-sans); line-height: 1.65; }

table { border-collapse: collapse; }

pre::-webkit-scrollbar { height: 6px; }
pre::-webkit-scrollbar-thumb { background: #334155; border-radius: 3px; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Nav ─── */
.sr-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(11,17,32,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.sr-nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.sr-logo {
  background: none; border: none; color: #fff; font-size: 1.25rem; font-weight: 700;
  cursor: pointer; display: flex; align-items: center; gap: 6px; letter-spacing: -0.02em;
}
.sr-logo-icon { font-size: 1.4rem; }
.sr-nav-links { display: flex; align-items: center; gap: 28px; }
.sr-nav-link {
  background: none; border: none; color: var(--text-muted); font-size: 0.9rem;
  cursor: pointer; font-weight: 500; transition: color .2s;
}
.sr-nav-link:hover { color: #fff; }
.sr-nav-cta {
  background: var(--accent); color: #0b1120; padding: 8px 20px; border-radius: 8px;
  font-size: 0.85rem; font-weight: 600; text-decoration: none; border: none; cursor: pointer;
}
.sr-hamburger {
  display: none; background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 4px;
}
.sr-hamburger-bar {
  display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all .3s;
}
.sr-mobile-menu {
  display: flex; flex-direction: column; padding: 16px 24px 24px; gap: 12px;
  background: var(--bg); border-top: 1px solid var(--border);
}
.sr-mobile-link {
  background: none; border: none; color: var(--text-muted); font-size: 1rem;
  text-align: left; padding: 8px 0; cursor: pointer;
}

/* ─── Hero ─── */
.sr-hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  justify-content: center; overflow: hidden; padding-top: 64px;
}
.sr-hero-bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center; opacity: 0.4;
}
.sr-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,17,32,0.5) 0%, rgba(11,17,32,0.95) 100%);
  z-index: 1;
}
.sr-hero-content {
  position: relative; z-index: 2; text-align: center; max-width: 800px;
  padding: 60px 24px; animation: fadeUp .8s ease-out;
}
.sr-hero-badge {
  display: inline-block; background: rgba(56,189,248,0.12); color: var(--accent);
  padding: 6px 16px; border-radius: 999px; font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 24px;
}
.sr-hero-h1 {
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15;
  margin: 0 0 20px; letter-spacing: -0.03em; color: #fff;
}
.sr-hero-sub {
  font-size: 1.15rem; color: var(--text-muted); max-width: 600px;
  margin: 0 auto 36px; line-height: 1.7;
}
.sr-hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.sr-btn-primary {
  background: var(--accent); color: #0b1120; padding: 14px 32px; border-radius: 10px;
  font-size: 0.95rem; font-weight: 700; border: none; cursor: pointer;
  transition: transform .15s, box-shadow .15s; letter-spacing: -0.01em;
}
.sr-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(56,189,248,0.3); }
.sr-btn-outline {
  background: transparent; color: var(--accent); padding: 14px 32px; border-radius: 10px;
  font-size: 0.95rem; font-weight: 600; border: 1.5px solid var(--accent);
  cursor: pointer; transition: background .2s;
}
.sr-btn-outline:hover { background: rgba(56,189,248,0.1); }

/* ─── Sections ─── */
.sr-section { padding: 100px 0; background: var(--bg); }
.sr-section-alt { padding: 100px 0; background: linear-gradient(180deg, #0a0f1a 0%, #0f172a 100%); }
.sr-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.sr-section-label {
  color: var(--accent); font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 12px; text-align: center;
}
.sr-section-h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 800; text-align: center;
  margin: 0 0 16px; letter-spacing: -0.02em; color: #fff;
}
.sr-section-sub {
  font-size: 1.05rem; color: var(--text-muted); text-align: center;
  max-width: 660px; margin: 0 auto 56px; line-height: 1.7;
}

/* ─── About ─── */
.sr-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.sr-about-card { border-radius: 16px; overflow: hidden; border: 1px solid var(--border); }
.sr-about-img { width: 100%; display: block; }
.sr-about-text { padding: 0 8px; }
.sr-about-h3 { font-size: 1.5rem; font-weight: 700; color: #fff; margin-bottom: 24px; }
.sr-steps { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.sr-step { display: flex; gap: 16px; align-items: flex-start; }
.sr-step-num {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
  background: rgba(56,189,248,0.15); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem;
}

/* ─── Features ─── */
.sr-feat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.sr-feat-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
  padding: 32px 28px; transition: border-color .25s, transform .25s;
}
.sr-feat-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.sr-feat-icon { font-size: 2rem; margin-bottom: 16px; display: block; }
.sr-feat-h4 { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.sr-feat-p { color: var(--text-muted); font-size: 0.93rem; line-height: 1.65; }

/* ─── Pricing ─── */
.sr-price-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; align-items: stretch; }
.sr-price-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px;
  padding: 40px 32px; display: flex; flex-direction: column; position: relative;
}
.sr-price-card-hl {
  border: 2px solid var(--accent);
  background: linear-gradient(180deg, rgba(56,189,248,0.06) 0%, rgba(17,24,39,1) 40%);
}
.sr-popular {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #0b1120; padding: 4px 18px; border-radius: 999px;
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
}
.sr-plan-name { font-size: 1.2rem; font-weight: 700; color: #fff; margin: 0 0 8px; }
.sr-plan-price { font-size: 2.5rem; font-weight: 800; color: #fff; letter-spacing: -0.03em; }
.sr-plan-unit { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 28px; }
.sr-plan-feats { list-style: none; margin: 0 0 32px; flex: 1; }
.sr-plan-feat { color: var(--text-muted); font-size: 0.9rem; padding: 6px 0; border-bottom: 1px solid var(--border); }

/* ─── API ─── */
.sr-api-block { margin-bottom: 48px; }
.sr-api-h3 { font-size: 1.15rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.sr-api-p { color: var(--text-muted); font-size: 0.93rem; margin-bottom: 16px; }
.sr-endpoint {
  display: block; background: var(--bg-card2); color: var(--accent); padding: 16px 24px;
  border-radius: 10px; font-size: 0.95rem; font-family: var(--font-mono);
  overflow-x: auto; border: 1px solid var(--border);
}
.sr-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); }
.sr-tab {
  background: none; border: none; color: var(--text-muted); padding: 10px 20px;
  cursor: pointer; font-size: 0.85rem; font-weight: 600;
  border-bottom: 2px solid transparent; transition: all .2s;
}
.sr-tab.sr-tab-active { color: var(--accent); border-bottom-color: var(--accent); }
.sr-pre {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 0 0 10px 10px;
  padding: 20px 24px; overflow-x: auto; font-size: 0.83rem; line-height: 1.7;
  color: var(--text-main); font-family: var(--font-mono);
}
.sr-table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border); }
.sr-table { width: 100%; font-size: 0.85rem; }
.sr-th {
  text-align: left; padding: 12px 16px; background: var(--bg-card2); color: var(--text-muted);
  font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}
.sr-td { padding: 12px 16px; color: var(--text-muted); border-bottom: 1px solid var(--border); vertical-align: top; line-height: 1.55; }
.sr-td-code {
  padding: 12px 16px; color: var(--accent); font-family: var(--font-mono);
  font-weight: 600; font-size: 0.83rem; border-bottom: 1px solid var(--border);
  vertical-align: top; white-space: nowrap;
}
.sr-tr-even { background: rgba(30,41,59,0.4); }
.sr-req-badge { background: rgba(239,68,68,0.15); color: #f87171; padding: 2px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; }
.sr-opt-badge { background: rgba(148,163,184,0.12); color: var(--text-muted); padding: 2px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; }
.sr-inline-code { background: var(--bg-card2); padding: 2px 6px; border-radius: 4px; font-size: 0.83rem; font-family: var(--font-mono); color: var(--accent); }
.sr-response-row { display: flex; gap: 16px; flex-wrap: wrap; }
.sr-response-col { flex: 1; min-width: 260px; }

/* ─── Footer ─── */
.sr-footer { border-top: 1px solid var(--border); padding: 56px 24px 32px; background: var(--bg); }
.sr-footer-inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px; }
.sr-footer-left { max-width: 300px; }
.sr-footer-copy { color: var(--text-muted); font-size: 0.85rem; margin-top: 12px; line-height: 1.6; }
.sr-footer-links { display: flex; gap: 56px; flex-wrap: wrap; }
.sr-footer-col { display: flex; flex-direction: column; gap: 8px; }
.sr-footer-h5 { color: #fff; font-size: 0.85rem; font-weight: 700; margin-bottom: 4px; }
.sr-footer-link { background: none; border: none; color: var(--text-muted); font-size: 0.85rem; cursor: pointer; text-align: left; padding: 0; text-decoration: none; }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .sr-nav-links { display: none !important; }
  .sr-hamburger { display: flex !important; }
  .sr-about-grid { grid-template-columns: 1fr !important; }
  .sr-footer-inner { flex-direction: column; }
}