/* Tech.Tools — design system
   Precision-instrument aesthetic: graphite ink, signal-cyan primary, amber dot accent. */
:root{
  --bg:#f6f7fb; --bg-2:#eef0f6; --surface:#ffffff; --surface-2:#f9fafc;
  --ink:#0c1222; --ink-2:#3a4256; --muted:#6b7385; --line:#e3e6ee; --line-2:#d3d8e3;
  --primary:#0284c7; --primary-ink:#ffffff; --primary-soft:#e0f2fe; --primary-2:#0369a1;
  --accent:#f59e0b; --accent-soft:#fef3c7;
  --ok:#059669; --ok-soft:#d1fae5; --warn:#b45309; --bad:#dc2626; --bad-soft:#fee2e2;
  --code-bg:#0f172a; --code-ink:#e2e8f0;
  --radius:14px; --radius-sm:10px; --shadow:0 1px 2px rgba(12,18,34,.06),0 8px 24px rgba(12,18,34,.06);
  --shadow-lg:0 20px 50px rgba(12,18,34,.14);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --display:"Space Grotesk","Inter",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --max:1200px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0a0f1c; --bg-2:#0e1526; --surface:#111a2e; --surface-2:#0d1527;
    --ink:#e8ecf5; --ink-2:#bfc7d8; --muted:#8892a8; --line:#1e2a44; --line-2:#2a3858;
    --primary:#38bdf8; --primary-ink:#04111f; --primary-soft:#0c2a40; --primary-2:#7dd3fc;
    --accent:#fbbf24; --accent-soft:#3a2a07;
    --ok:#34d399; --ok-soft:#0b3326; --bad:#f87171; --bad-soft:#3b1212;
    --code-bg:#070b16; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); --shadow-lg:0 20px 50px rgba(0,0,0,.5);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0a0f1c; --bg-2:#0e1526; --surface:#111a2e; --surface-2:#0d1527;
  --ink:#e8ecf5; --ink-2:#bfc7d8; --muted:#8892a8; --line:#1e2a44; --line-2:#2a3858;
  --primary:#38bdf8; --primary-ink:#04111f; --primary-soft:#0c2a40; --primary-2:#7dd3fc;
  --accent:#fbbf24; --accent-soft:#3a2a07;
  --ok:#34d399; --ok-soft:#0b3326; --bad:#f87171; --bad-soft:#3b1212;
  --code-bg:#070b16; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); --shadow-lg:0 20px 50px rgba(0,0,0,.5);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--font);overflow-x:hidden}
img,svg,video,iframe{max-width:100%}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--display);line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.2rem)} h2{font-size:clamp(1.5rem,3vw,2.1rem)} h3{font-size:1.2rem}
p{margin:0 0 1em}
code,kbd,pre,textarea.mono,.mono{font-family:var(--mono)}
code{background:var(--bg-2);padding:.1em .35em;border-radius:6px;font-size:.9em}
.container{max-width:var(--max);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px;top:0;background:var(--primary);color:var(--primary-ink);padding:8px 12px;z-index:1000}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ===== Top broker banner ===== */
.topbar{background:linear-gradient(90deg,#0c1222,#13213f);color:#e6edf8;font-size:.86rem;text-align:center;padding:8px 16px}
.topbar a{color:#fde68a;font-weight:600}
.topbar a:hover{color:#fff}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:16px;height:64px}
.logo{font-family:var(--display);font-weight:700;font-size:1.35rem;color:var(--ink);letter-spacing:-.03em;display:flex;align-items:center;gap:8px;white-space:nowrap}
.logo:hover{text-decoration:none}
.logo .dot{color:var(--accent)}
.logo-mark{width:30px;height:30px;border-radius:8px;background:var(--ink);display:grid;place-items:center}
.nav-links{display:flex;gap:4px;margin-left:12px;list-style:none;padding:0;margin-block:0}
.nav-links a{white-space:nowrap;color:var(--ink-2);font-weight:500;font-size:.95rem;padding:8px 10px;border-radius:8px}
.nav-links a:hover,.nav-links a[aria-current="page"]{background:var(--bg-2);color:var(--ink);text-decoration:none}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer}
.icon-btn:hover{border-color:var(--line-2)}
.search-trigger{display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);color:var(--muted);cursor:pointer;font:inherit;font-size:.9rem;min-width:180px}
.search-trigger kbd{margin-left:auto;font-size:.75rem;border:1px solid var(--line);border-radius:5px;padding:1px 5px;background:var(--surface)}
.menu-btn{display:none}
@media (max-width:1320px){.search-trigger{min-width:0}.search-trigger span,.search-trigger kbd{display:none}}
@media (max-width:1180px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 16px 16px;margin:0}
  .nav-links.open{display:flex}
  .menu-btn{display:grid}
  .search-trigger{min-width:0}
  .search-trigger span,.search-trigger kbd{display:none}
  .nav-actions .btn-cta{display:none}
}

/* ===== Buttons ===== */
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:600;font-size:.98rem;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .15s ease,box-shadow .15s ease,background .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--primary);color:var(--primary-ink)}
.btn-primary:hover{box-shadow:0 8px 20px color-mix(in srgb,var(--primary) 35%,transparent)}
.btn-accent{background:var(--accent);color:#1a1203}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--line-2)}
.btn-sm{padding:8px 12px;font-size:.88rem;border-radius:9px}
.btn-block{width:100%}
.btn-cta{padding:9px 14px;font-size:.9rem}

/* ===== Hero ===== */
.hero{position:relative;padding:72px 0 56px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 75%);opacity:.6;pointer-events:none}
.hero .container{position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--primary);background:var(--primary-soft);padding:6px 12px;border-radius:999px;margin-bottom:18px}
.hero h1{max-width:900px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero .lead{font-size:1.18rem;color:var(--ink-2);max-width:720px}
.hero-search{display:flex;gap:8px;max-width:680px;margin:26px 0 14px;background:var(--surface);border:1px solid var(--line-2);border-radius:16px;padding:8px;box-shadow:var(--shadow)}
.hero-search input{flex:1;border:0;background:transparent;font:inherit;font-size:1.05rem;padding:8px 10px;color:var(--ink);min-width:0}
.hero-search input:focus{outline:none}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:.85rem;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2)}
.chip:hover{border-color:var(--primary);color:var(--primary);text-decoration:none}
.stats{display:flex;gap:32px;flex-wrap:wrap;margin-top:34px}
.stat b{display:block;font-family:var(--display);font-size:1.7rem}
.stat span{color:var(--muted);font-size:.9rem}

/* ===== Sections ===== */
section.block{padding:56px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.section-head p{color:var(--muted);margin:0;max-width:640px}
.alt{background:var(--surface-2);border-block:1px solid var(--line)}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:960px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.card h3{margin-bottom:.35em}
.card p{color:var(--ink-2);font-size:.95rem}
a.card{display:block;color:inherit;transition:transform .15s ease,border-color .15s ease}
a.card:hover{text-decoration:none;transform:translateY(-2px);border-color:var(--primary)}
.tool-card{display:flex;gap:14px;align-items:flex-start}
.tool-card .ic{flex:none;width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary)}
.tool-card h3{font-size:1.02rem;margin:0 0 4px;font-family:var(--font);font-weight:650;letter-spacing:-.01em}
.tool-card p{margin:0;font-size:.88rem;color:var(--muted)}
.badge{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:2px 8px;border-radius:999px;background:var(--accent-soft);color:var(--warn)}
.badge.blue{background:var(--primary-soft);color:var(--primary)}
.badge.green{background:var(--ok-soft);color:var(--ok)}
.cat-card{display:flex;flex-direction:column;gap:10px}
.cat-card .count{color:var(--muted);font-size:.85rem}

/* ===== Lead-gen band ===== */
.lead-band{background:linear-gradient(135deg,#0c1222 0%,#10284a 60%,#0b4f74 100%);color:#eaf2ff;border-radius:22px;padding:40px;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;box-shadow:var(--shadow-lg)}
.lead-band h2{color:#fff}
.lead-band p{color:#c8d6ee}
.lead-band ul{padding-left:0;list-style:none;margin:0 0 1em}
.lead-band li{padding-left:28px;position:relative;margin:6px 0;color:#dbe6f7}
.lead-band li::before{content:"✓";position:absolute;left:0;color:#fbbf24;font-weight:800}
.lead-band .card{color:var(--ink)}
@media (max-width:860px){.lead-band{grid-template-columns:1fr;padding:24px}}

/* ===== Forms ===== */
form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:620px){form .row{grid-template-columns:1fr}}
label{display:block;font-weight:600;font-size:.88rem;margin:0 0 6px;color:var(--ink-2)}
.field{margin-bottom:14px}
input[type=text],input[type=email],input[type=tel],input[type=url],input[type=number],input[type=search],input[type=password],input[type=datetime-local],select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-size:.96rem}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.hp{position:absolute!important;left:-5000px!important;height:0;overflow:hidden}
.form-note{font-size:.8rem;color:var(--muted);margin-top:8px}
.form-status{margin-top:12px;padding:12px 14px;border-radius:10px;font-size:.92rem;display:none}
.form-status.ok{display:block;background:var(--ok-soft);color:var(--ok)}
.form-status.err{display:block;background:var(--bad-soft);color:var(--bad)}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.88rem}
.check input{margin-top:4px}
.steps-bar{display:flex;gap:6px;margin-bottom:18px}
.steps-bar span{flex:1;height:5px;border-radius:9px;background:var(--line)}
.steps-bar span.on{background:var(--primary)}
.fstep{display:none}.fstep.on{display:block}
.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.choice{display:flex;align-items:center;gap:8px;border:1px solid var(--line-2);border-radius:10px;padding:10px 12px;cursor:pointer;font-weight:500;font-size:.92rem;margin:0}
.choice:has(input:checked){border-color:var(--primary);background:var(--primary-soft)}
@media (max-width:480px){.choice-grid{grid-template-columns:1fr}}

/* ===== Tool workspace ===== */
.page-head{padding-top:36px;padding-bottom:18px}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:12px}
.crumbs a{color:var(--muted)}
.page-head .lead{color:var(--ink-2);font-size:1.08rem;max-width:780px}
.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
@media (max-width:980px){.tool-layout{grid-template-columns:minmax(0,1fr)}}
.tool-layout>*,.split>*{min-width:0}
.workspace{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)}
.workspace textarea{min-height:200px;font-family:var(--mono);font-size:.9rem}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.out{background:var(--code-bg);color:var(--code-ink);border-radius:12px;padding:14px;font-family:var(--mono);font-size:.88rem;white-space:pre-wrap;word-break:break-word;min-height:60px;max-height:520px;overflow:auto}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:.95rem}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-family:var(--mono);word-break:break-all}
.result-big{font-family:var(--display);font-size:2rem;font-weight:700}
.pill-ok{color:var(--ok);font-weight:700}.pill-bad{color:var(--bad);font-weight:700}
.side{display:flex;flex-direction:column;gap:16px;position:sticky;top:84px}
@media (max-width:980px){.side{position:static}}
.prose{max-width:780px}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.3em}
.prose li{margin:.35em 0}
.prose table{border-collapse:collapse;width:100%;font-size:.92rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.prose th{background:var(--bg-2)}
.prose pre{background:var(--code-bg);color:var(--code-ink);padding:14px;border-radius:12px;overflow:auto;font-size:.86rem}
.prose pre code{background:none;padding:0}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{margin:.6em 0 0;color:var(--ink-2)}
.callout{border-left:4px solid var(--primary);background:var(--primary-soft);padding:14px 16px;border-radius:0 12px 12px 0;margin:1.2em 0}
.video{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000;border:1px solid var(--line)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-lite{position:absolute;inset:0;display:grid;place-items:center;cursor:pointer;background-size:cover;background-position:center;border:0;width:100%;padding:0}
.video-lite::after{content:"";width:68px;height:48px;border-radius:12px;background:rgba(220,38,38,.92) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M8 5v14l11-7z'/%3E%3C/svg%3E") center/26px no-repeat}

/* ===== Sponsor / house ad ===== */
.sponsor-card{border:1px dashed var(--line-2);background:var(--surface-2);border-radius:var(--radius);padding:18px;text-align:center}
.sponsor-card small{display:block;text-transform:uppercase;letter-spacing:.1em;font-size:.68rem;color:var(--muted);margin-bottom:6px}

/* ===== Pricing / tiers ===== */
.tier{display:flex;flex-direction:column}
.tier .price{font-family:var(--display);font-size:2.1rem;font-weight:700;margin:6px 0}
.tier .price small{font-size:.9rem;color:var(--muted);font-weight:500}
.tier ul{padding-left:18px;color:var(--ink-2);font-size:.93rem;flex:1}
.tier.featured{border:2px solid var(--primary);position:relative}
.tier.featured::before{content:"Most popular";position:absolute;top:-12px;left:20px;background:var(--primary);color:var(--primary-ink);font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:999px}
.progress{height:10px;background:var(--line);border-radius:99px;overflow:hidden;margin:8px 0 4px}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent))}
.amounts{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.amounts button{flex:1;min-width:70px;padding:12px;border-radius:10px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);font-weight:700;cursor:pointer;font-family:inherit}
.amounts button.on{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}

/* ===== Directory ===== */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.filters button{border:1px solid var(--line);background:var(--surface);color:var(--ink-2);padding:7px 14px;border-radius:999px;cursor:pointer;font:inherit;font-size:.88rem}
.filters button.on{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.dir-item{display:flex;flex-direction:column;gap:8px}
.dir-item .meta{display:flex;gap:6px;flex-wrap:wrap}
.dir-item .go{margin-top:auto;font-weight:600;font-size:.9rem}
.hidden{display:none!important}

/* ===== Search modal ===== */
.search-modal{position:fixed;inset:0;background:rgba(5,9,20,.55);backdrop-filter:blur(3px);z-index:200;display:none;align-items:flex-start;justify-content:center;padding:10vh 16px}
.search-modal.open{display:flex}
.search-box{width:100%;max-width:640px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden}
.search-box input{width:100%;border:0;border-bottom:1px solid var(--line);padding:18px;font:inherit;font-size:1.1rem;background:transparent;color:var(--ink)}
.search-box input:focus{outline:none}
.search-results{max-height:55vh;overflow:auto;padding:8px}
.search-results a{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;border-radius:10px;color:var(--ink)}
.search-results a:hover,.search-results a.sel{background:var(--bg-2);text-decoration:none}
.search-results small{color:var(--muted)}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);background:var(--surface);margin-top:56px;padding:48px 0 28px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
.site-footer h4{font-family:var(--font);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:7px 0}
.site-footer a{color:var(--ink-2)}
.foot-bottom{border-top:1px solid var(--line);margin-top:32px;padding-top:20px;color:var(--muted);font-size:.82rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.newsletter{display:flex;gap:8px;margin-top:10px}
.newsletter input{min-width:0}

/* ===== Cookie notice ===== */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:560px;margin-left:auto;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);padding:16px;z-index:150;display:none;font-size:.9rem}
.cookie.show{display:block}
.cookie .btns{display:flex;gap:8px;margin-top:10px}

/* ===== Misc ===== */
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--surface);padding:10px 16px;border-radius:10px;font-size:.9rem;opacity:0;transition:.2s;z-index:300;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.muted{color:var(--muted)}
.center{text-align:center}
.mt{margin-top:24px}
.trust{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.88rem;margin-top:12px}
.trust span::before{content:"●";color:var(--ok);margin-right:6px;font-size:.7em;vertical-align:middle}
.swatch{height:90px;border-radius:12px;border:1px solid var(--line)}
.range-row{display:flex;align-items:center;gap:12px}
.range-row input[type=range]{flex:1}
.meter{height:10px;border-radius:9px;background:var(--line);overflow:hidden}
.meter span{display:block;height:100%;transition:width .2s}
.diff-add{background:rgba(16,185,129,.25)}.diff-del{background:rgba(239,68,68,.25);text-decoration:line-through}
.sticky-cta{position:fixed;right:16px;bottom:16px;z-index:120;display:none}
.sticky-cta.show{display:block}
@media (max-width:620px){.sticky-cta{left:16px}.sticky-cta .btn{width:100%}}