/* AI-OK? — AI Safety Resources for Kids & Parents
   Editorial style: white space, deep navy, restrained accents. */
:root{
  --ink:#14213d; --ink-2:#4b5563; --muted:#6b7280; --line:#dde2e8; --line-2:#c9d1db;
  --navy:#0b2a4a; --navy-2:#173f69; --link:#1f5aa6;
  --bg:#ffffff; --paper:#f5f6f8;
  --accent:#e07a3f;           /* warm orange, used sparingly */
  --teal:#1f6f78;
  /* Muted section tints (class names kept for markup compatibility) */
  --yellow:#c8a24a; --yellow-soft:#f8f5ee;
  --pink:#a8556f;   --pink-soft:#f8f1f3;
  --blue:#2f6db0;   --blue-soft:#eef3f9;
  --purple:#5b5b9a; --purple-soft:#f2f2f8;
  --green:#2f7d68;  --green-soft:#eef6f3;
  --red:#b42318;    --red-soft:#fdf2f1;
  --radius:6px; --radius-sm:4px;
  --wrap:1120px;
  --sans:'Inter', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  --serif:'Source Serif 4', Georgia, 'Times New Roman', serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--navy)}
h1,h2,h3,h4{font-family:var(--sans);color:var(--navy);line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.015em}
h1{font-size:clamp(2rem,4.4vw,3rem)}
h2{font-size:clamp(1.45rem,2.6vw,1.9rem)}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1em}
[hidden]{display:none !important}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:10px;top:10px}
:focus-visible{outline:2px solid var(--link);outline-offset:3px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:16px;min-height:72px;max-width:1440px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0;color:var(--navy)}
.logo-mark{width:36px;height:36px}
.logo-text{font-family:var(--sans);font-weight:700;font-size:1.3rem;line-height:1;color:var(--navy);letter-spacing:-.01em}
.logo-text small{display:block;font-weight:500;font-size:.7rem;color:var(--muted);letter-spacing:.01em;margin-top:4px}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{font-weight:500;font-size:.88rem;color:var(--ink);text-decoration:none;padding:8px 9px;white-space:nowrap;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current=page]{color:var(--navy);border-bottom-color:var(--accent)}
.btn-help{margin-left:8px;border:1px solid var(--navy) !important;border-radius:var(--radius-sm);color:var(--navy) !important;font-weight:600 !important}
.btn-help:hover{background:var(--navy);color:#fff !important}
.menu-btn{display:none;margin-left:auto;background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-sm);padding:8px 14px;font:600 .9rem var(--sans);color:var(--navy);cursor:pointer}
@media (max-width:1330px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:10px 20px 20px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{padding:12px 4px;font-size:1rem;border-bottom:1px solid var(--line)}
  .btn-help{margin:12px 0 0;text-align:center}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--radius-sm);font:600 .95rem var(--sans);text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2);color:#fff}
.btn-yellow{background:var(--accent);color:#fff}
.btn-yellow:hover{background:#c96630;color:#fff}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn-ghost:hover{background:var(--paper)}

/* Hero */
.hero{padding:72px 0 64px;background:var(--paper);border-bottom:1px solid var(--line)}
.hero h1{max-width:860px}
.hero p.lead{font-family:var(--serif);font-size:1.3rem;line-height:1.55;max-width:760px;color:var(--ink-2)}
.hero .kicker{display:block;font-weight:600;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.blob{display:none}
.intro{border-bottom:1px solid var(--line)}
.intro-text{font-family:var(--serif);font-size:1.25rem;line-height:1.6;color:var(--ink)}
.tagline{font-weight:600;color:var(--navy);border-left:3px solid var(--accent);padding-left:16px;margin-top:20px}
.h-small{font-size:1.05rem;text-transform:none;margin-bottom:.8em}

.page-hero{padding:52px 0 44px;background:var(--paper);border-bottom:1px solid var(--line)}
.page-hero.yellow,.page-hero.pink,.page-hero.blue,.page-hero.purple,.page-hero.green,.page-hero.calm{background:var(--paper)}
.page-hero p.lead{font-family:var(--serif);font-size:1.2rem;max-width:760px;color:var(--ink-2);margin:0}
.crumbs{font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px;color:var(--accent)}
.crumbs a{color:var(--accent);text-decoration:none}

/* Sections */
section.block{padding:56px 0}
section.block.tint{background:var(--paper)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:14px}
.section-head h2{margin-bottom:.2em}
.section-head p{margin:0;color:var(--ink-2)}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g5{grid-template-columns:repeat(5,minmax(0,1fr))}
@media (max-width:900px){.g3,.g5{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.g2,.g3,.g5{grid-template-columns:1fr}}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}
.card.yellow{border-top:3px solid var(--yellow)}
.card.pink{border-top:3px solid var(--pink)}
.card.blue{border-top:3px solid var(--blue)}
.card.purple{border-top:3px solid var(--purple)}
.card.green{border-top:3px solid var(--green)}
.card.calm{background:var(--paper)}
a.card{display:block;text-decoration:none;color:var(--ink);transition:border-color .15s ease, box-shadow .15s ease}
a.card:hover{border-color:var(--line-2);box-shadow:0 6px 20px rgba(11,42,74,.08);color:var(--ink)}
a.card:hover h3{text-decoration:underline;text-underline-offset:3px}
.card .more{font-weight:600;font-size:.92rem;color:var(--link);margin-top:12px;display:inline-block}
.age-card{min-height:200px}
.age-card .ages{font-weight:600;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:6px}
.age-card p{font-size:.95rem;color:var(--ink-2)}

.tag{display:inline-block;font-weight:600;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);margin:0 12px 10px 0;padding:0;background:none;border:0}
.tag.research{color:var(--blue)}
.tag.expert{color:var(--purple)}
.tag.news{color:#8a6a1f}
.tag.parent{color:var(--pink)}
.tag.good{color:var(--green)}
.tag.bad{color:var(--red)}

/* Summary box */
.quick{background:var(--paper);border-left:4px solid var(--navy);border-radius:0 var(--radius) var(--radius) 0;padding:24px 28px}
.quick h2{font-size:1.15rem;text-transform:uppercase;letter-spacing:.08em;color:var(--navy);margin-bottom:.6em}
.quick ul{margin:0;padding-left:1.2em}
.quick li{margin:.4em 0}

/* Lists */
ul.check{list-style:none;padding:0;margin:0}
ul.check li{position:relative;padding-left:28px;margin:.65em 0}
ul.check li::before{content:"";position:absolute;left:2px;top:.45em;width:7px;height:12px;border:solid var(--teal);border-width:0 2px 2px 0;transform:rotate(45deg)}
ul.dots{padding-left:1.2em;margin:0}
ul.dots li{margin:.5em 0}
ol.steps{counter-reset:s;list-style:none;padding:0;margin:0}
ol.steps li{counter-increment:s;position:relative;padding-left:40px;margin:0 0 14px}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:50%;border:1px solid var(--navy);color:var(--navy);font:600 .85rem var(--sans);display:grid;place-items:center}

.say{background:#fff;border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:14px 18px;margin:12px 0;font-family:var(--serif);font-size:1.05rem}
.say span{display:block;font-family:var(--sans);font-size:.85rem;color:var(--muted);margin-top:6px}
.source-note{font-size:.86rem;color:var(--muted);margin-top:12px}
.callout{border-radius:var(--radius);padding:22px 24px;background:var(--blue-soft);border:1px solid #d6e2f0}
.callout.warn{background:var(--red-soft);border-color:#f3d2ce}
.stat{font-family:var(--serif);font-size:1.9rem;font-weight:600;line-height:1.2;color:var(--navy)}

/* Tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{border-collapse:collapse;width:100%;min-width:720px;font-size:.95rem}
th,td{padding:14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
thead th{background:var(--paper);font-weight:600;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--navy)}
tbody tr:last-child td{border-bottom:0}
td.tool{font-weight:600;min-width:170px}
td.tool small{display:block;font-weight:400;color:var(--muted)}
.v{display:inline-flex;align-items:center;gap:7px;font-weight:500;font-size:.82rem;color:var(--ink)}
.v::before{content:"";width:9px;height:9px;border-radius:50%;flex-shrink:0}
.v.go::before{background:#2f7d4f}
.v.care::before{background:#c98a14}
.v.no::before{background:var(--red)}
.v.na{color:var(--muted)} .v.na::before{background:#b5b8c6}
.legend{display:flex;gap:22px;flex-wrap:wrap;margin:0 0 22px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}

/* Tool verdict cards */
.toolhead{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.toolhead h3{margin:0;font-size:1.25rem}
.toolsub{color:var(--muted);font-size:.9rem}
.vrow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--radius-sm)}
.vcell{padding:12px 14px;display:flex;flex-direction:column;gap:6px;align-items:flex-start;border-right:1px solid var(--line)}
.vcell:last-child{border-right:0}
.vage{font-weight:600;font-size:.9rem;line-height:1.2;color:var(--navy)}
.vage small{display:block;font-weight:400;font-size:.75rem;color:var(--muted)}
.vcell .v{line-height:1.3}
.why{margin:14px 0 0;color:var(--ink-2)}
@media (max-width:900px){.vrow{grid-template-columns:repeat(2,minmax(0,1fr))}.vcell{border-bottom:1px solid var(--line)}}

/* Vocab */
dl.vocab{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;margin:0}
@media (max-width:700px){dl.vocab{grid-template-columns:1fr}}
dl.vocab div{border-top:1px solid var(--line);padding:16px 0}
dl.vocab dt{font-weight:700;color:var(--navy);font-size:1.05rem}
dl.vocab dd{margin:4px 0 0;color:var(--ink-2)}
dl.vocab .kid{display:none;color:var(--teal)}
body.kid-mode dl.vocab .grown{display:none}
body.kid-mode dl.vocab .kid{display:block}
.toggle{display:inline-flex;border:1px solid var(--line-2);border-radius:var(--radius-sm);overflow:hidden}
.toggle button{border:0;background:#fff;font:500 .88rem var(--sans);padding:8px 16px;cursor:pointer;color:var(--ink)}
.toggle button[aria-pressed=true]{background:var(--navy);color:#fff}

/* Quiz */
.quiz{background:#fff;border:1px solid var(--line);border-top:3px solid var(--teal);border-radius:var(--radius);padding:26px}
.quiz .q{font-family:var(--serif);font-size:1.4rem;background:var(--paper);border-radius:var(--radius-sm);padding:22px;text-align:center;margin:12px 0 16px;min-height:90px;display:grid;place-items:center;color:var(--navy)}
.quiz .choices{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.quiz .feedback{min-height:52px;margin-top:14px;text-align:center;color:var(--ink-2)}
.quiz .score{text-align:center;font-size:.9rem;color:var(--muted)}

/* Newsletter */
.newsletter{background:var(--navy);color:#fff;border-radius:var(--radius);padding:40px}
.newsletter h2{color:#fff}
.newsletter p{color:#c9d4e3;max-width:760px}
.newsletter form{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;margin-top:18px}
.newsletter input[type=email],.newsletter input[type=text]{padding:12px 14px;border-radius:var(--radius-sm);border:1px solid #2c4d72;font:400 1rem var(--sans);background:#fff}
.newsletter fieldset{grid-column:1/-1;border:0;padding:0;margin:6px 0 0;display:flex;flex-wrap:wrap;gap:8px 18px}
.newsletter legend{font-weight:600;margin-bottom:8px;color:#fff;font-size:.92rem}
.newsletter label.chip{font-size:.9rem;color:#dbe4f0;cursor:pointer}
.newsletter label.chip input{margin-right:6px;accent-color:var(--accent)}
.newsletter .fine{font-size:.8rem;color:#9fb0c7;grid-column:1/-1;margin:4px 0 0}
.newsletter .msg{grid-column:1/-1;font-weight:600;color:#ffd1b3;min-height:1.4em;margin:0}
.newsletter .dot1,.newsletter .dot2{display:none}
@media (max-width:700px){.newsletter form{grid-template-columns:1fr}.newsletter{padding:26px}}

/* References */
.refs{background:var(--paper);padding:44px 0;border-top:1px solid var(--line)}
.refs h2{font-size:1.1rem;text-transform:uppercase;letter-spacing:.08em}
.refs ol{margin:0;padding-left:1.4em;font-size:.88rem;color:var(--ink-2)}
.refs li{margin:.55em 0;word-break:break-word}
.refs p{font-size:.86rem;color:var(--muted)}

/* Footer */
.site-footer{background:var(--navy);color:#c9d4e3;padding:52px 0 28px;font-size:.93rem}
.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
@media (max-width:800px){.site-footer .cols{grid-template-columns:1fr 1fr}}
.site-footer h4{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:.9em}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.4em 0}
.site-footer a{color:#dbe4f0;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer .logo-text,.site-footer .logo{color:#fff}
.site-footer .logo-text small{color:#9fb0c7}
.site-footer .legal{border-top:1px solid #24486f;margin-top:32px;padding-top:18px;color:#9fb0c7;font-size:.82rem}

.print-only{display:none}
@media print{
  .site-header,.site-footer,.newsletter,.no-print,.menu-btn{display:none !important}
  .print-only{display:block}
  body{font-size:12pt}
  .card{break-inside:avoid}
  section.block{padding:16px 0}
}
.site-footer .logo-mark rect:first-child{fill:#ffffff}
.site-footer .logo-mark path{stroke:#0b2a4a}
body.kid-mode dl.vocab .adult-only{display:none}

/* Icons */
.ico{width:22px;height:22px;flex-shrink:0;color:var(--teal)}
.ico-lg{width:34px;height:34px;display:block;margin-bottom:12px;color:var(--teal)}
.card.yellow .ico-lg{color:#9a7a2a}.card.pink .ico-lg{color:var(--pink)}.card.blue .ico-lg{color:var(--blue)}
.card.purple .ico-lg{color:var(--purple)}.card.green .ico-lg{color:var(--green)}
.ih{display:flex;align-items:center;gap:12px}
.ih .ico{width:28px;height:28px;padding:5px;box-sizing:content-box;border-radius:50%;background:var(--paper);border:1px solid var(--line)}
section.tint .ih .ico{background:#fff}
ul.iconlist{list-style:none;padding:0;margin:0}
ul.iconlist li{display:flex;gap:14px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line)}
ul.iconlist li:first-child{border-top:0;padding-top:4px}
ul.iconlist .ico{margin-top:2px}

/* Hero with image */
.hero-grid.has-aside{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;align-items:center}
@media (max-width:900px){.hero-grid.has-aside{grid-template-columns:1fr;gap:28px}}
figure.photo{margin:0}
figure.photo img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);background:#e9edf2}
figure.photo figcaption{font-size:.86rem;color:var(--ink-2);margin-top:10px;line-height:1.45}
figure.photo .credit{display:block;color:var(--muted);font-size:.76rem;margin-top:4px}

/* Infographic: 5-question flow */
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin:6px 0 22px;counter-reset:f}
.flow-step{position:relative;padding:22px 18px 20px;border-right:1px solid var(--line);counter-increment:f}
.flow-step:last-child{border-right:0}
.flow-step::before{content:counter(f);position:absolute;top:14px;right:14px;font-size:.75rem;font-weight:700;color:var(--muted)}
.flow-step::after{content:"";position:absolute;right:-7px;top:38px;width:12px;height:12px;background:#fff;border-top:1px solid var(--line);border-right:1px solid var(--line);transform:rotate(45deg);z-index:1}
.flow-step:last-child::after{display:none}
.flow-step strong{display:block;color:var(--navy);margin-bottom:4px}
.flow-step span{font-size:.92rem;color:var(--ink-2)}
@media (max-width:900px){.flow{grid-template-columns:1fr}.flow-step{border-right:0;border-bottom:1px solid var(--line)}.flow-step:last-child{border-bottom:0}.flow-step::after{display:none}}

/* Infographic: compare */
.compare{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compare-col{padding:24px 26px}
.compare-col h3{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.compare-col.good{background:var(--green-soft);border-right:1px solid var(--line)}
.compare-col.good .ico{color:var(--green)}
.compare-col.bad{background:var(--red-soft)}
.compare-col.bad .ico{color:var(--red)}
.compare-col ul{margin:0;padding-left:1.1em}
.compare-col li{margin:.5em 0}
@media (max-width:700px){.compare{grid-template-columns:1fr}.compare-col.good{border-right:0;border-bottom:1px solid var(--line)}}
figure.illo{margin:0}
figure.illo svg{display:block;width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line)}
figure.illo figcaption{font-size:.88rem;color:var(--ink-2);margin-top:10px;line-height:1.45}