/* ==========================================================================
   WhaleSoft.net — shared design system
   Signature: the "sounding" mark — concentric ping rings used for the
   WSn approval badge and status states, echoing a depth-sounder / sonar
   return. Screenshots, snippets and search data are all "soundings" taken
   of a live site.
   ========================================================================== */

:root {
  /* Color — lifted from the actual wp-admin dark sidebar + whalesoft-menu.php tint table */
  --ink:        #1D2327;   /* wp-admin sidebar dark — page chrome, dark surfaces */
  --deep:       #23282D;   /* wp-admin sidebar secondary */
  --signal:     #2271B1;   /* wp-admin default blue — links, active state */
  --signal-dim: #135E96;   /* wp-admin blue, pressed */
  --coral:      #D63638;   /* wp-admin "warning/notice" red — used sparingly for CTAs */
  --sand:       #F0F0F1;   /* wp-admin content background */
  --sand-raise: #FFFFFF;   /* wp-admin card / panel background */
  --slate:      #3C434A;   /* wp-admin body text */
  --slate-soft: #646970;   /* wp-admin muted text */
  --line:       #C3C4C7;   /* wp-admin hairline border */
  --line-dark:  rgba(240, 240, 241, 0.12);

  /* Per-plugin tints, straight from whalesoft-menu.php's $pal array */
  --tint-teal-head:   #17272A;  /* Screenshot Log / ScreenshotInk */
  --tint-teal-child:  #1B2D31;
  --tint-violet-head: #231F2E;  /* Snippet Tracker */
  --tint-violet-child:#282334;
  --tint-blue-head:   #1B2733;  /* GSC Metrics */
  --tint-blue-child:  #1F2B38;

  /* Type — system UI stack, same as wp-admin itself */
  --f-display: -apple-system, "Segoe UI", "Helvetica Neue", sans-serif;
  --f-body:    -apple-system, "Segoe UI", "Helvetica Neue", sans-serif;
  --f-mono:    Consolas, Monaco, monospace;

  /* Scale */
  --s-1: 0.25rem; --s-2: 0.5rem; --s-3: 0.75rem; --s-4: 1rem;
  --s-5: 1.5rem; --s-6: 2rem; --s-7: 3rem; --s-8: 4.5rem; --s-9: 7rem;

  --radius: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--sand);
  color: var(--slate);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--f-display);
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
  font-weight: 600;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--s-6);
}

/* ---------- Eyebrow / coordinate label ---------- */
.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-dim);
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
}
.on-dark .eyebrow { color: var(--signal); }

/* ---------- Nav ---------- */
.nav {
  border-bottom: 1px solid var(--line);
  background: var(--sand);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--s-4) var(--s-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
}
.brand-mark { width: 28px; height: 28px; flex-shrink: 0; }
.brand-sub {
  font-family: var(--f-mono);
  font-size: 0.65rem;
  color: var(--slate-soft);
  letter-spacing: 0.06em;
  margin-left: var(--s-1);
}
.nav-links {
  display: flex;
  gap: var(--s-6);
  list-style: none;
  margin: 0; padding: 0;
  font-size: 0.9rem;
}
.nav-links a { text-decoration: none; color: var(--slate); }
.nav-links a:hover { color: var(--signal-dim); }

/* ---------- Sonar / ping mark ---------- */
.ping {
  position: relative;
  width: 1em; height: 1em;
  display: inline-block;
}
.ping svg { width: 100%; height: 100%; }
.ping circle { fill: none; stroke: var(--signal); stroke-width: 6; opacity: 0; }
.ping .r1 { animation: ping-out 2.4s ease-out infinite; }
.ping .r2 { animation: ping-out 2.4s ease-out infinite; animation-delay: 0.8s; }
.ping .dot { fill: var(--signal); opacity: 1; }
@keyframes ping-out {
  0%   { opacity: 0.55; r: 6; }
  100% { opacity: 0; r: 46; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--signal); color: #fff; }
.btn-primary:hover { background: var(--signal-dim); }
.btn-danger { background: var(--coral); color: #fff; }

/* Per-plugin tint utility — matches whalesoft-menu.php's sidebar grouping */
.tint-teal .card, .tint-teal .panel { border-left: 3px solid #2EA39A; }
.tint-violet .card, .tint-violet .panel { border-left: 3px solid #8C6FE0; }
.tint-blue .card, .tint-blue .panel { border-left: 3px solid var(--signal); }
.tint-teal .eyebrow::before { background: #2EA39A; }
.tint-violet .eyebrow::before { background: #8C6FE0; }
.tint-teal .eyebrow, .tint-violet .eyebrow, .tint-blue .eyebrow { color: var(--slate-soft); }
.on-dark.tint-teal .eyebrow { color: #6FCFC6; }
.on-dark.tint-violet .eyebrow { color: #B5A2F5; }
.on-dark.tint-blue .eyebrow { color: #7BB6E0; }
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.on-dark .btn-ghost { border-color: var(--line-dark); color: var(--sand); }
.btn-ghost:hover { border-color: var(--signal); }

/* ---------- Hero ---------- */
.hero {
  background: var(--ink);
  color: var(--sand);
  padding: var(--s-6) 0;
  border-bottom: 3px solid var(--signal);
}
.hero.tint-teal   { background: var(--tint-teal-head);   border-bottom-color: #2EA39A; }
.hero.tint-violet { background: var(--tint-violet-head); border-bottom-color: #8C6FE0; }
.hero.tint-blue   { background: var(--tint-blue-head);   border-bottom-color: var(--signal); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--s-6);
  align-items: center;
}
.hero h1 {
  color: var(--sand);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.15;
  margin: var(--s-3) 0 var(--s-4);
}
.hero p.lede {
  font-size: 1rem;
  color: #C3C4C7;
  max-width: 50ch;
  margin: 0 0 var(--s-5);
}
.hero-cta { display: flex; gap: var(--s-3); flex-wrap: wrap; }

.readout {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(243,238,227,0.03);
  padding: var(--s-5);
  font-family: var(--f-mono);
  font-size: 0.82rem;
}
.readout-row {
  display: flex;
  justify-content: space-between;
  padding: var(--s-2) 0;
  border-bottom: 1px dashed var(--line-dark);
  color: #B9C6CA;
}
.readout-row:last-child { border-bottom: none; }
.readout-row b { color: var(--signal); font-weight: 500; }

/* ---------- Sections ---------- */
section { padding: var(--s-8) 0; }
.section-alt { background: var(--sand-raise); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 60ch; margin-bottom: var(--s-6); }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-top: var(--s-3); }
.section-head p { color: var(--slate-soft); margin-top: var(--s-3); }

/* ---------- Feature grid ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-5); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-5); }

.card {
  background: var(--sand-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s-5);
}
.card .idx {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--signal-dim);
  letter-spacing: 0.08em;
}
.card h3 { font-size: 1.05rem; margin: var(--s-3) 0 var(--s-2); }
.card p { margin: 0; font-size: 0.92rem; color: var(--slate); }

/* ---------- Badge (WSn approval) ---------- */
.wsn-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  background: var(--ink);
  color: var(--sand);
  border-radius: 100px;
  padding: var(--s-2) var(--s-4) var(--s-2) var(--s-2);
  font-family: var(--f-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}
.wsn-badge .ping { width: 1.1em; height: 1.1em; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; }
.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--s-5);
  padding: var(--s-6) 0;
  border-top: 1px solid var(--line);
}
.step:first-child { border-top: none; }
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--f-mono);
  color: var(--signal-dim);
  font-size: 1.4rem;
}
.step h3 { font-size: 1.1rem; margin-bottom: var(--s-2); }
.step p { margin: 0; color: var(--slate); }
.step .note {
  margin-top: var(--s-3);
  font-family: var(--f-mono);
  font-size: 0.8rem;
  color: var(--slate-soft);
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s-3) var(--s-4);
}

/* ---------- Table / settings ---------- */
.panel {
  background: var(--sand-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.panel-head {
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.panel-head h3 { font-size: 1rem; }
.row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--s-4);
  align-items: center;
  padding: var(--s-4) var(--s-5);
  border-top: 1px solid var(--line);
}
.row:first-of-type { border-top: none; }
.row label { font-weight: 600; color: var(--ink); font-size: 0.92rem; }
.row .hint { color: var(--slate-soft); font-size: 0.82rem; }
.toggle {
  width: 42px; height: 24px;
  border-radius: 100px;
  background: var(--line);
  position: relative;
  border: none;
  cursor: pointer;
}
.toggle::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  top: 3px; left: 3px;
  transition: transform 0.15s ease;
}
.toggle.on { background: var(--signal); }
.toggle.on::after { transform: translateX(18px); }
input[type=text], input[type=email], input[type=number], select {
  width: 100%;
  font-family: var(--f-mono);
  font-size: 0.88rem;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--sand);
  color: var(--ink);
}

/* ---------- FAQ / support ---------- */
.faq-item {
  border-top: 1px solid var(--line);
  padding: var(--s-5) 0;
}
.faq-item:first-child { border-top: none; }
.faq-item summary {
  cursor: pointer;
  font-family: var(--f-display);
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--f-mono);
  color: var(--signal);
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-left: var(--s-4);
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: var(--s-3) 0 0; color: var(--slate); max-width: 65ch; }

/* ---------- Footer ---------- */
footer {
  background: var(--ink);
  color: var(--slate-soft);
  padding: var(--s-7) 0 var(--s-6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: var(--s-6);
  padding-bottom: var(--s-6);
  border-bottom: 1px solid var(--line-dark);
}
.footer-grid h4 {
  color: var(--sand);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--f-mono);
  margin-bottom: var(--s-3);
  font-weight: 500;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-2); font-size: 0.88rem; }
.footer-grid a { text-decoration: none; }
.footer-grid a:hover { color: var(--signal); }
.footer-bottom {
  padding-top: var(--s-5);
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-family: var(--f-mono);
}

/* ---------- Utility ---------- */
.pill {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: var(--s-1) var(--s-3);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--slate-soft);
}
.center { text-align: center; }
.mt-7 { margin-top: var(--s-7); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .row { grid-template-columns: 1fr; }
}