/* Scam or Safe — design system
   Public-safety, trustworthy, fast. Mobile-first. */

:root {
  --navy: #0F172A;
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --light-blue: #EFF6FF;
  --red: #DC2626;
  --amber: #F59E0B;
  --green: #16A34A;
  --gray-text: #475569;
  --bg: #F8FAFC;
  --border: #E2E8F0;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--navy);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

/* Default inline-icon size; component rules below override where needed. */
svg { width: 20px; height: 20px; }
.box h3 svg, h3 svg { vertical-align: -4px; margin-right: 4px; }

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

h1, h2, h3, h4 { line-height: 1.25; color: var(--navy); font-weight: 700; }
h1 { font-size: 2rem; margin: 0 0 .5rem; letter-spacing: -0.02em; }
h2 { font-size: 1.5rem; margin: 2rem 0 .75rem; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; margin: 1.5rem 0 .5rem; }

p { margin: 0 0 1rem; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy); color: #fff; padding: 10px 16px; z-index: 200;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; font-weight: 600; font-size: 1rem;
  padding: 12px 22px; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid transparent; text-align: center; transition: background .15s, box-shadow .15s;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-secondary { background: #fff; color: var(--navy); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); }
.btn-lg { padding: 15px 28px; font-size: 1.05rem; }
.btn-block { display: block; width: 100%; }

/* ---------- Header ---------- */
.site-header {
  background: var(--white); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 1.2rem; color: var(--navy); letter-spacing: -0.02em; }
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 30px; height: 30px; border-radius: 7px; flex: 0 0 auto;
  background: var(--blue); display: grid; place-items: center; color: #fff;
}
.logo-mark svg { width: 18px; height: 18px; }
.logo b { color: var(--blue); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a:not(.btn) { color: var(--gray-text); font-weight: 500; font-size: .98rem; padding: 8px 12px; border-radius: 6px; }
.main-nav a:not(.btn):hover { color: var(--navy); background: var(--light-blue); text-decoration: none; }
.header-cta { margin-left: 6px; }
.main-nav a.btn-primary, .header-cta { color: #fff; }
.main-nav a.btn-primary:hover, .header-cta:hover { color: #fff; }

.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 7px; padding: 8px 10px; cursor: pointer; }
.nav-toggle svg { width: 22px; height: 22px; display: block; color: var(--navy); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--border); padding: 8px 16px 16px;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .main-nav a:not(.btn) { padding: 12px 8px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .header-cta { margin: 12px 0 0; }
}

/* ---------- Hero ---------- */
.hero { background: linear-gradient(180deg, var(--light-blue), var(--bg)); padding: 56px 0 40px; }
.hero h1 { font-size: 2.4rem; max-width: 760px; }
.hero .sub { font-size: 1.15rem; color: var(--gray-text); max-width: 680px; margin-bottom: 1.5rem; }

.checker-box {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); max-width: 720px;
}
.checker-box textarea {
  width: 100%; min-height: 130px; resize: vertical; padding: 14px;
  border: 1px solid var(--border); border-radius: var(--radius-sm); font-family: var(--font);
  font-size: 1rem; color: var(--navy); background: var(--bg);
}
.checker-box textarea:focus { outline: 2px solid var(--blue); outline-offset: 1px; background: #fff; }
.checker-actions { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }

.privacy-note {
  display: flex; gap: 10px; align-items: flex-start;
  background: #FFFBEB; border: 1px solid #FDE68A; color: #92400E;
  border-radius: var(--radius-sm); padding: 12px 14px; font-size: .92rem; margin-bottom: 14px;
}
.privacy-note svg { width: 20px; height: 20px; flex: 0 0 auto; margin-top: 1px; }

/* ---------- Trust strip ---------- */
.trust-strip { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: 22px 0; }
.trust-item { display: flex; gap: 10px; align-items: center; font-size: .95rem; color: var(--gray-text); font-weight: 500; }
.trust-item svg { width: 22px; height: 22px; color: var(--green); flex: 0 0 auto; }
@media (max-width: 760px) { .trust-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Sections ---------- */
.section { padding: 44px 0; }
.section-head { margin-bottom: 24px; }
.section-head h2 { margin-top: 0; }
.section-head p { color: var(--gray-text); margin: 0; max-width: 680px; }
.section-alt { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ---------- Cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.card {
  display: block; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow-sm); transition: box-shadow .15s, border-color .15s, transform .15s;
  color: var(--navy);
}
.card:hover { box-shadow: var(--shadow); border-color: #CBD5E1; text-decoration: none; transform: translateY(-1px); }
.card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--gray-text); font-size: .95rem; }
.card-icon { width: 40px; height: 40px; border-radius: 9px; background: var(--light-blue); color: var(--blue); display: grid; place-items: center; margin-bottom: 12px; }
.card-icon svg { width: 22px; height: 22px; }
.card-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.card-cat { font-size: .78rem; color: var(--gray-text); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }

/* ---------- Risk badge ---------- */
.risk-badge {
  display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; font-weight: 700;
  padding: 4px 10px; border-radius: 999px; text-transform: uppercase; letter-spacing: .03em;
}
.risk-badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.risk-high { background: #FEF2F2; color: var(--red); }
.risk-medium { background: #FFFBEB; color: #B45309; }
.risk-low { background: #F0FDF4; color: var(--green); }

/* ---------- Guide page ---------- */
.breadcrumbs { font-size: .88rem; color: var(--gray-text); padding: 18px 0 0; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; }
.breadcrumbs li::after { content: "›"; margin-left: 6px; color: #94A3B8; }
.breadcrumbs li:last-child::after { content: ""; }
.breadcrumbs a { color: var(--gray-text); }

.guide { padding: 8px 0 48px; }
.guide-header { margin: 14px 0 8px; }
.guide-header .meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.guide-content { margin-top: 8px; }
.guide-content h2 { scroll-margin-top: 80px; }
.guide-content ul, .guide-content ol { padding-left: 1.25rem; margin: 0 0 1rem; }
.guide-content li { margin-bottom: .4rem; }

.verdict-box {
  background: var(--white); border: 1px solid var(--border); border-left: 4px solid var(--blue);
  border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow-sm); margin: 18px 0 8px;
}
.verdict-box h2 { margin: 0 0 14px; font-size: 1.15rem; }
.verdict-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.verdict-item .label { font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; color: var(--gray-text); font-weight: 700; margin-bottom: 3px; }
.verdict-item .value { font-weight: 500; }
@media (max-width: 620px) { .verdict-grid { grid-template-columns: 1fr; } }

.example-msg {
  background: #F1F5F9; border: 1px dashed #94A3B8; border-radius: var(--radius-sm);
  padding: 16px 18px; font-style: italic; color: #334155; position: relative; margin: 10px 0 4px;
}
.example-tag {
  display: inline-block; font-style: normal; font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; color: var(--gray-text); background: #fff; border: 1px solid var(--border);
  border-radius: 5px; padding: 2px 8px; margin-bottom: 8px;
}

/* Callout boxes */
.box { border-radius: var(--radius); padding: 16px 18px; margin: 14px 0; border: 1px solid var(--border); }
.box h3 { margin: 0 0 8px; font-size: 1.05rem; }
.box ul { margin: 0; padding-left: 1.2rem; }
.box-warning { background: #FEF2F2; border-color: #FECACA; }
.box-warning h3 { color: var(--red); }
.box-do { background: #F0FDF4; border-color: #BBF7D0; }
.box-do h3 { color: var(--green); }
.box-info { background: var(--light-blue); border-color: #BFDBFE; }
.box-clicked { background: #FFFBEB; border-color: #FDE68A; }
.box-clicked h3 { color: #B45309; }

.flag-list { list-style: none; padding: 0; margin: 0; }
.flag-list li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; border-bottom: 1px solid var(--border); }
.flag-list li:last-child { border-bottom: 0; }
.flag-list svg { width: 20px; height: 20px; color: var(--amber); flex: 0 0 auto; margin-top: 2px; }

.disclaimer-box {
  background: #F1F5F9; border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px 16px; font-size: .9rem; color: var(--gray-text); margin: 24px 0;
}
.last-reviewed { font-size: .88rem; color: var(--gray-text); margin-top: 24px; display: flex; align-items: center; gap: 8px; }
.last-reviewed svg { width: 16px; height: 16px; }

/* ---------- FAQ accordion ---------- */
.faq { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: #fff; }
.faq details { border-bottom: 1px solid var(--border); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  cursor: pointer; padding: 16px 18px; font-weight: 600; list-style: none; display: flex;
  justify-content: space-between; align-items: center; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--blue); font-weight: 400; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq summary:hover { background: var(--light-blue); }
.faq .faq-answer { padding: 0 18px 16px; color: var(--gray-text); }

/* ---------- Layout with sidebar ---------- */
.with-sidebar { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; align-items: start; }
.sidebar { position: sticky; top: 84px; }
.sidebar .box { margin-top: 0; }
@media (max-width: 940px) { .with-sidebar { grid-template-columns: 1fr; } .sidebar { position: static; } }

.toc { font-size: .92rem; }
.toc a { color: var(--gray-text); display: block; padding: 4px 0; }
.toc a:hover { color: var(--blue); }

/* ---------- Checker results ---------- */
.checker-result { margin-top: 24px; }
.result-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.result-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 6px; }
.result-head h2 { margin: 0; }
.score-meter { height: 10px; border-radius: 999px; background: var(--border); overflow: hidden; margin: 10px 0 4px; }
.score-meter span { display: block; height: 100%; border-radius: 999px; }
.hidden { display: none; }

/* ---------- Ad slots (disabled placeholders) ---------- */
.ad-slot { margin: 20px 0; min-height: 0; }
.ad-slot[data-ad-enabled="false"] { display: none; }
.ad-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: #94A3B8; text-align: center; margin-bottom: 4px; }

/* ---------- Page intro / prose ---------- */
.page-intro { padding: 36px 0 8px; }
.page-intro h1 { font-size: 2.1rem; }
.page-intro .lead { font-size: 1.12rem; color: var(--gray-text); max-width: 720px; }
.prose { padding: 8px 0 40px; }
.prose h2 { border-top: 1px solid var(--border); padding-top: 1.5rem; }
.prose ul li { margin-bottom: .4rem; }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.tag {
  display: inline-block; font-size: .85rem; padding: 6px 12px; border-radius: 999px;
  background: #fff; border: 1px solid var(--border); color: var(--gray-text);
}
.tag:hover { border-color: var(--blue); color: var(--blue); text-decoration: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #CBD5E1; padding: 40px 0 24px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 28px; }
.site-footer h4 { color: #fff; font-size: .95rem; margin: 0 0 12px; text-transform: uppercase; letter-spacing: .05em; }
.site-footer a { color: #CBD5E1; font-size: .95rem; display: block; padding: 4px 0; }
.site-footer a:hover { color: #fff; }
.footer-brand .logo { color: #fff; margin-bottom: 10px; }
.footer-brand p { color: #94A3B8; font-size: .92rem; max-width: 320px; }
.footer-bottom { border-top: 1px solid #1E293B; margin-top: 28px; padding-top: 18px; font-size: .85rem; color: #94A3B8; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-disclaimer { font-size: .85rem; color: #94A3B8; margin-top: 18px; max-width: 760px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }

/* ---------- Misc ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.center { text-align: center; }
.mt-2 { margin-top: 1.5rem; }
.muted { color: var(--gray-text); }
.divider { height: 1px; background: var(--border); border: 0; margin: 28px 0; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.notice { background: var(--light-blue); border: 1px solid #BFDBFE; border-radius: var(--radius-sm); padding: 14px 16px; color: #1E40AF; font-size: .95rem; }