/* Postbox MX Tools - brand system: #0A2540 / #1a1a2e / #00D4FF / #7C3AED - Syne + DM Sans */

:root {
  --navy: #0A2540;
  --dark: #1a1a2e;
  --cyan: #00D4FF;
  --purple: #7C3AED;
  --menu-red: #e02b20; /* main-site menu hover red - adjust here if needed */
  --pass: #34d399;
  --warn: #fbbf24;
  --fail: #f87171;
  --text: rgba(255, 255, 255, 0.85);
  --text-dim: rgba(255, 255, 255, 0.7);
  --card: rgba(255, 255, 255, 0.08);
  --card-hover: rgba(255, 255, 255, 0.12);
  --border: rgba(0, 212, 255, 0.2);
  --border-strong: rgba(0, 212, 255, 0.3);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: linear-gradient(135deg, var(--navy) 0%, var(--dark) 100%) fixed;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

.grid-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--cyan); outline-offset: 2px;
}

/* ---------- header ---------- */

.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 60px; }





@media (max-width: 960px) {
}

/* ---------- hero ---------- */
.hero { text-align: center; padding: 26px 0 10px; }
.hero-eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);border:1px solid rgba(0,212,255,.35);border-radius:100px;padding:5px 14px;margin-bottom:14px;background:rgba(0,212,255,.06)}
.hero-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--cyan);
  border: 1px solid var(--border-strong); border-radius: 100px;
  padding: 5px 14px; margin-bottom: 22px; background: rgba(0, 212, 255, 0.06);
}
h1 {
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: clamp(24px, 3.6vw, 36px); line-height: 1.15; color: #fff;
  letter-spacing: -0.01em;
}
.grad-text {
  background: linear-gradient(90deg, #ffffff, var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub { max-width: 640px; margin: 6px auto 0; color: rgba(255,255,255,0.55); font-size: 14px; }

/* ---------- lookup bar ---------- */
.lookup-bar {
  display: flex; gap: 12px; max-width: 760px; margin: 20px auto 0; align-items: stretch;
}
.lookup-fields { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.lookup-bar input, .lookup-bar textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid var(--border-strong);
  border-radius: 12px;
  color: #fff; font-size: 16px; font-family: 'DM Mono', monospace;
  padding: 14px 18px; transition: border-color .2s, box-shadow .2s;
}
.lookup-bar textarea { resize: vertical; font-size: 13px; line-height: 1.5; }
.lookup-bar input::placeholder, .lookup-bar textarea::placeholder { color: rgba(255, 255, 255, 0.4); font-family: 'DM Sans', sans-serif; }
.lookup-bar input:focus, .lookup-bar textarea:focus {
  outline: none; border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.15);
}
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #fff; border: none; border-radius: 12px; cursor: pointer;
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 16px;
  padding: 14px 26px; white-space: nowrap;
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
  transition: transform .2s, box-shadow .2s;
  text-decoration: none !important;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(0, 212, 255, 0.5); }
.btn-secondary {
  display: inline-block; background: transparent; color: var(--cyan);
  border: 2px solid var(--cyan); border-radius: 12px;
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 15px;
  padding: 12px 24px; transition: all .2s; text-decoration: none !important;
}
.btn-secondary:hover { background: rgba(0, 212, 255, 0.1); transform: translateY(-3px); }
.hint { text-align: center; color: rgba(255, 255, 255, 0.5); font-size: 13px; margin-top: 12px; min-height: 20px; }
.hidden { display: none !important; }

/* ---------- tool nav ---------- */
.tool-nav {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 10px; margin: 22px 0 8px;
}
.tool-btn {
  background: var(--card); border: 2px solid var(--border);
  border-radius: 12px; color: var(--text-dim);
  font-family: 'DM Sans', sans-serif; font-weight: 500; font-size: 14px;
  padding: 12px 10px; cursor: pointer; text-align: center;
  transition: all .18s;
}
.tool-btn:hover { background: var(--card-hover); border-color: var(--purple); color: #fff; transform: translateY(-2px); }
.tool-btn.active {
  background: rgba(0, 212, 255, 0.1); border-color: var(--cyan); color: var(--cyan); font-weight: 700;
}

/* ---------- results ---------- */
.results { margin: 26px 0 10px; min-height: 40px; }

.card {
  background: var(--card);
  border: 2px solid var(--border-strong);
  border-radius: 18px;
  padding: 26px 28px;
  margin-bottom: 18px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: cardIn .35s ease both;
}
@keyframes cardIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .card { animation: none; }
  * { transition: none !important; scroll-behavior: auto !important; }
}

.card h2 {
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 20px; color: #fff;
  margin-bottom: 4px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.card .sub { color: rgba(255, 255, 255, 0.55); font-size: 13px; margin-bottom: 16px; font-family: 'DM Mono', monospace; }

.pill {
  display: inline-block; font-size: 12px; font-weight: 700; font-family: 'DM Sans', sans-serif;
  letter-spacing: 0.04em; border-radius: 100px; padding: 3px 12px; text-transform: uppercase;
}
.pill.pass { background: rgba(52, 211, 153, 0.15); color: var(--pass); border: 1px solid rgba(52, 211, 153, 0.4); }
.pill.warn { background: rgba(251, 191, 36, 0.13); color: var(--warn); border: 1px solid rgba(251, 191, 36, 0.4); }
.pill.fail { background: rgba(248, 113, 113, 0.13); color: var(--fail); border: 1px solid rgba(248, 113, 113, 0.4); }
.pill.info { background: rgba(0, 212, 255, 0.1); color: var(--cyan); border: 1px solid var(--border-strong); }

.verdict { border-left: 3px solid var(--border-strong); padding: 8px 14px; margin: 10px 0; border-radius: 0 8px 8px 0; background: rgba(255,255,255,0.04); font-size: 14.5px; }
.verdict.pass { border-left-color: var(--pass); }
.verdict.warn { border-left-color: var(--warn); }
.verdict.fail { border-left-color: var(--fail); }
.verdict strong { color: #fff; }

.rec {
  font-family: 'DM Mono', monospace; font-size: 13px; line-height: 1.6;
  background: rgba(0, 0, 0, 0.3); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px; margin: 10px 0;
  word-break: break-all; white-space: pre-wrap; position: relative; color: #d8f6ff;
}
.copy-btn {
  position: absolute; top: 8px; right: 8px;
  background: rgba(0, 212, 255, 0.1); border: 1px solid var(--border-strong);
  color: var(--cyan); font-size: 11px; font-weight: 700; font-family: 'DM Sans', sans-serif;
  border-radius: 6px; padding: 3px 10px; cursor: pointer; transition: all .15s;
}
.copy-btn:hover { background: rgba(0, 212, 255, 0.2); }

table.dns { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 14px; }
table.dns th {
  text-align: left; font-family: 'DM Sans', sans-serif; font-weight: 700; font-size: 12px;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--cyan);
  padding: 8px 10px; border-bottom: 1px solid var(--border-strong);
}
table.dns td {
  padding: 9px 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  font-family: 'DM Mono', monospace; font-size: 13px; color: var(--text); word-break: break-all;
}
table.dns tr:last-child td { border-bottom: none; }

.kv { display: grid; grid-template-columns: 170px 1fr; gap: 6px 14px; margin: 10px 0; font-size: 14px; }
.kv .k { color: var(--cyan); font-weight: 500; }
.kv .v { font-family: 'DM Mono', monospace; font-size: 13px; word-break: break-all; }

.spinner {
  display: inline-block; width: 18px; height: 18px; vertical-align: -4px;
  border: 2px solid var(--border-strong); border-top-color: var(--cyan);
  border-radius: 50%; animation: spin .7s linear infinite; margin-right: 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-line { color: var(--text-dim); font-size: 15px; padding: 8px 0; }

/* ---------- health report ---------- */
.health-head { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; margin-bottom: 8px; }
.score-ring { position: relative; width: 132px; height: 132px; flex-shrink: 0; }
.score-ring svg { transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: rgba(255, 255, 255, 0.1); stroke-width: 10; }
.ring-val {
  fill: none; stroke: url(#ringGrad); stroke-width: 10; stroke-linecap: round;
  transition: stroke-dashoffset 1s ease;
}
.score-label {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.score-grade { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 40px; line-height: 1;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.score-pct { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.health-summary h2 { margin-bottom: 6px; }
.health-summary p { color: var(--text-dim); font-size: 15px; max-width: 560px; }

.check-row {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 13px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.check-row:last-child { border-bottom: none; }
.check-status { flex-shrink: 0; width: 74px; padding-top: 1px; }
.check-body { flex: 1; min-width: 0; }
.check-body h3 { font-family: 'Syne', sans-serif; font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 2px; }
.check-body p { font-size: 14px; color: var(--text-dim); }
.check-body .rec { margin: 8px 0 2px; }

/* ---------- header analyzer ---------- */
.hop {
  display: flex; gap: 14px; padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07); font-size: 13.5px;
}
.hop:last-child { border-bottom: none; }
.hop-num {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 212, 255, 0.1); border: 1px solid var(--border-strong);
  color: var(--cyan); font-weight: 700; font-size: 13px;
}
.hop-body { flex: 1; min-width: 0; font-family: 'DM Mono', monospace; word-break: break-all; color: var(--text); }
.hop-delay { flex-shrink: 0; font-weight: 700; font-size: 12.5px; color: var(--text-dim); padding-top: 6px; }
.hop-delay.slow { color: var(--warn); }
.hop-delay.veryslow { color: var(--fail); }

/* ---------- coming soon + CTA ---------- */
.consult-cta { margin: 56px 0 64px; }
.cta-inner {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(124, 58, 237, 0.12));
  border: 2px solid var(--border-strong); border-radius: 22px;
  padding: 44px 34px; text-align: center;
  box-shadow: 0 20px 60px rgba(124, 58, 237, 0.2);
}
.cta-inner h2 { font-family: 'Syne', sans-serif; font-size: clamp(22px, 3.4vw, 32px); color: #fff; }
.cta-inner p { max-width: 620px; margin: 12px auto 24px; color: var(--text-dim); }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }


@media (max-width: 640px) {
  .lookup-bar { flex-direction: column; }
  .btn-primary { width: 100%; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv .k { margin-top: 8px; }
  .card { padding: 20px 18px; }
  .health-head { gap: 18px; }
}

/* ---------- SEO content sections ---------- */
.seo-content { margin: 56px 0 0; }
.seo-content h2 { font-family: 'Syne', sans-serif; font-size: 24px; color: #fff; margin-bottom: 12px; }
.seo-content > p { color: var(--text-dim); font-size: 15px; max-width: 780px; margin-bottom: 26px; }
.seo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 8px 34px; }
.seo-grid h3 { font-family: 'Syne', sans-serif; font-size: 16px; margin: 14px 0 4px; }
.seo-grid h3 a { color: var(--cyan); text-decoration: none; }
.seo-grid h3 a:hover { color: var(--purple); }
.seo-grid p { font-size: 14px; color: var(--text-dim); }
.faq details {
  background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 18px; margin-bottom: 10px;
}
.faq summary { cursor: pointer; font-weight: 700; color: #fff; font-size: 15px; }
.faq summary:hover { color: var(--cyan); }
.faq details p { margin-top: 10px; font-size: 14px; color: var(--text-dim); }
.faq details a { color: var(--cyan); }

/* ---------- in-result share button (floated so card text flows around it) ---------- */
.result-share {
  float: right; margin: 0 0 10px 14px;
  background: rgba(0, 212, 255, 0.1); border: 1px solid var(--border-strong);
  color: var(--cyan); font-size: 12.5px; font-weight: 700; font-family: 'DM Sans', sans-serif;
  border-radius: 7px; padding: 6px 14px; cursor: pointer; white-space: nowrap; transition: all .15s;
}
.result-share:hover { background: rgba(0, 212, 255, 0.2); }
.result-share.copied {
  border-color: rgba(52, 211, 153, 0.6); color: #34d399; background: rgba(52, 211, 153, 0.1);
}

/* ---------- linked tool pages row (DMARC Generator, Blacklist Check) ---------- */
.tool-nav-extra { margin-top: 0; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); max-width: 800px; margin-left: auto; margin-right: auto; }
a.tool-btn { display: block; text-decoration: none; }
.tool-btn-link { border-color: rgba(124, 58, 237, 0.55); color: #cfc6ff; }
.tool-btn-link:hover { border-color: var(--purple); background: rgba(124, 58, 237, 0.12); color: #fff; }

/* Gmail-headers help popup (header analyzer) - CSS-only :target modal, no JS */
.gmail-help-link { display:inline-block; margin-left:8px; font-size:13px; font-weight:700; color:var(--cyan); text-decoration:none; border:1px solid rgba(0,212,255,0.45); border-radius:7px; padding:2px 9px; }
.gmail-help-link:hover { background:var(--cyan); color:#062230; }
.gmail-modal { display:none; position:fixed; inset:0; z-index:9999; align-items:flex-start; justify-content:center; padding:40px 16px; }
.gmail-modal:target { display:flex; }
.gmail-backdrop { position:fixed; inset:0; background:rgba(3,10,18,0.72); }
.gmail-card { position:relative; z-index:1; background:#0f1b2e; border:1px solid rgba(255,255,255,0.08); border-radius:16px; max-width:640px; width:100%; max-height:86vh; overflow-y:auto; box-shadow:0 24px 60px rgba(0,0,0,0.55); }
.gmail-mhead { position:sticky; top:0; background:var(--navy); color:#fff; padding:16px 20px; border-radius:16px 16px 0 0; display:flex; justify-content:space-between; align-items:center; }
.gmail-mhead h4 { margin:0; font-size:17px; color:#fff; }
.gmail-close { color:#fff; text-decoration:none; font-size:24px; line-height:1; width:32px; height:32px; display:flex; align-items:center; justify-content:center; border-radius:8px; flex:0 0 auto; }
.gmail-close:hover { background:rgba(255,255,255,0.15); }
.gmail-mbody { padding:18px 20px 24px; color:#d7e2ee; }
.gmail-step { margin:0 0 20px; }
.gmail-step .sn { display:inline-flex; align-items:center; justify-content:center; width:24px; height:24px; border-radius:7px; background:var(--purple); color:#fff; font-weight:800; font-size:13px; margin-right:8px; vertical-align:middle; }
.gmail-step .t { font-size:15px; font-weight:600; }
.gmail-step img { display:block; width:100%; height:auto; border:1px solid rgba(255,255,255,0.1); border-radius:10px; margin-top:12px; background:#fff; }
.gmail-mnote { font-size:13.5px; color:#94a8bb; border-top:1px solid rgba(255,255,255,0.1); padding-top:12px; margin:12px 0 0; }

/* ---- BIMI Logo Verifier input (upload + paste) ---- */
.svg-verify { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.svg-drop { display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 22px 16px; border: 2px dashed var(--border-strong, #2a3a4d); border-radius: 10px;
  background: rgba(255,255,255,0.03); color: var(--text-dim, #9fb0c0); cursor: pointer;
  text-align: center; font-size: 14px; transition: border-color .15s, background .15s; }
.svg-drop:hover, .svg-drop.drag { border-color: var(--cyan, #00D4FF); background: rgba(0,212,255,0.06); color: #fff; }
.svg-drop u { color: var(--cyan, #00D4FF); }
.svg-verify textarea { width: 100%; min-height: 110px; resize: vertical; }
.svg-filename { font-size: 12.5px; color: var(--text-dim, #9fb0c0); min-height: 1em; }

/* ======== AI Discoverability Checker ======== */
.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:10px}
.card-sub{color:var(--muted,#9fb0c0);font-size:14px;margin-top:2px}
.verdict.info{border-left-color:var(--accent,#00D4FF)}
.ai-head{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin:6px 0 10px}
.ai-grade{display:flex;flex-direction:column;align-items:center;justify-content:center;width:92px;height:92px;border-radius:16px;flex:0 0 auto}
.ai-grade .ai-grade-letter{font-family:'Syne',sans-serif;font-weight:800;font-size:40px;line-height:1}
.ai-grade .ai-grade-score{font-size:12px;opacity:.85;margin-top:3px}
.ai-grade.good{background:rgba(52,211,153,.14);color:var(--pass,#34d399);border:1px solid rgba(52,211,153,.4)}
.ai-grade.warn{background:rgba(251,191,36,.14);color:var(--warn,#fbbf24);border:1px solid rgba(251,191,36,.4)}
.ai-grade.bad{background:rgba(248,113,113,.14);color:var(--fail,#f87171);border:1px solid rgba(248,113,113,.4)}
.ai-head-text{flex:1;min-width:220px}
.ai-blurb{font-weight:600;margin:0 0 4px}
.ai-note{font-size:12.5px;color:var(--muted,#9fb0c0);margin:0}
.sec-h{font-family:'Syne',sans-serif;font-size:15px;margin:18px 0 8px;padding-top:12px;border-top:1px solid var(--hair,rgba(255,255,255,.08))}
.ag-h{font-size:13.5px;font-weight:700;margin:12px 0 6px}
.ag-note{font-weight:400;font-size:12px;color:var(--muted,#9fb0c0)}
table.agents{width:100%;border-collapse:collapse;margin-bottom:6px}
table.agents td{padding:6px 8px;border-bottom:1px solid var(--hair,rgba(255,255,255,.08));font-size:13.5px;vertical-align:middle}
.agents .ag-name{font-family:'DM Mono',monospace;white-space:nowrap}
.agents .ag-label{color:var(--muted,#9fb0c0)}
.agents .ag-badge{text-align:right;white-space:nowrap}
.ag-pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700}
.ag-pill.ok{background:rgba(52,211,153,.15);color:var(--pass,#34d399)}
.ag-pill.bad{background:rgba(248,113,113,.15);color:var(--fail,#f87171)}
.ag-pill.neutral{background:rgba(159,176,192,.14);color:var(--muted,#9fb0c0)}
.ag-pill.optout{background:rgba(251,191,36,.15);color:var(--warn,#fbbf24)}
.faq-wrap{margin-top:28px}
.faq-wrap h2{font-family:'Syne',sans-serif;margin-bottom:10px}
.faq-wrap details{border-bottom:1px solid var(--hair,rgba(255,255,255,.08));padding:10px 0}
.faq-wrap summary{cursor:pointer;font-weight:600}
.faq-wrap details p{margin-top:8px;color:var(--text,#c9d6e3)}