/* =========================================================
   TOOLZPARK — CORE STYLESHEET
   Instrument-panel design system: navy/paper base, indigo +
   amber dial accents, monospace "readout" for every result.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------- Tokens ---------- */
:root{
  --paper:#F5F7FB;
  --paper-card:#FFFFFF;
  --paper-raised:#FFFFFF;
  --ink:#0B1220;
  --ink-soft:#4A5568;
  --ink-faint:#8A93A6;
  --line:rgba(15,22,38,0.09);
  --line-strong:rgba(15,22,38,0.16);

  --accent:#3E5BFF;
  --accent-ink:#2A3FCC;
  --accent-soft:rgba(62,91,255,0.10);
  --accent-2:#7C5CFC;
  --accent-2-ink:#5E3FD9;
  --accent-2-soft:rgba(124,92,252,0.10);
  --accent-gradient:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);
  --amber:#FFB020;
  --amber-ink:#B87700;
  --success:#1FAE6A;
  --danger:#E5484D;

  --glass-bg:rgba(255,255,255,0.62);
  --glass-border:rgba(15,22,38,0.08);
  --shadow-sm:0 1px 2px rgba(15,22,38,0.06);
  --shadow-md:0 8px 24px rgba(15,22,38,0.08);
  --shadow-lg:0 20px 48px rgba(15,22,38,0.14);
  --shadow-glow:0 10px 30px rgba(62,91,255,.22),0 6px 20px rgba(124,92,252,.16);

  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;

  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --header-h:72px;
  color-scheme: light;
}

html.dark{
  --paper:#0A0E1A;
  --paper-card:#111931;
  --paper-raised:#141D3A;
  --ink:#EDF0F9;
  --ink-soft:#AEB6CC;
  --ink-faint:#6C7593;
  --line:rgba(237,240,249,0.08);
  --line-strong:rgba(237,240,249,0.16);

  --accent:#7C93FF;
  --accent-ink:#AEBBFF;
  --accent-soft:rgba(124,147,255,0.14);
  --accent-2:#A78BFA;
  --accent-2-ink:#C9B8FE;
  --accent-2-soft:rgba(167,139,250,0.14);
  --amber:#FFC24D;
  --amber-ink:#FFD37A;
  --success:#3FD68C;
  --danger:#FF6B70;

  --glass-bg:rgba(17,25,49,0.66);
  --glass-border:rgba(237,240,249,0.09);
  --shadow-sm:0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:0 8px 24px rgba(0,0,0,0.35);
  --shadow-lg:0 24px 56px rgba(0,0,0,0.5);
  --shadow-glow:0 10px 34px rgba(124,147,255,.28),0 6px 22px rgba(167,139,250,.2);
  color-scheme: dark;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background .25s ease,color .25s ease;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.15;letter-spacing:-0.01em;}
.mono{font-family:var(--font-mono);}

:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

/* ---------- Blueprint grid backdrop ---------- */
.grid-backdrop{
  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;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 40%,transparent 90%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 40%,transparent 90%);
  pointer-events:none;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);
  display:flex;align-items:center;
  border-bottom:1px solid var(--glass-border);
}
.site-header::before{
  content:"";
  position:absolute;inset:0;
  background:var(--glass-bg);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  z-index:-1;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.25rem;}
.brand-mark{width:34px;height:34px;flex-shrink:0;}
.brand small{display:block;font-family:var(--font-mono);font-weight:400;font-size:.62rem;color:var(--ink-faint);letter-spacing:.14em;text-transform:uppercase;margin-top:1px;}

.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav > ul{display:flex;align-items:center;gap:2px;}
.main-nav > ul > li{position:relative;}
.nav-link{display:flex;align-items:center;gap:5px;padding:10px 14px;border-radius:999px;font-size:.92rem;font-weight:500;color:var(--ink-soft);transition:background .15s,color .15s;}
.nav-link:hover,.nav-link:focus-visible{background:var(--accent-soft);color:var(--accent);}
.nav-link svg{width:14px;height:14px;transition:transform .2s;}
li.has-mega:hover .nav-link svg,li.has-mega:focus-within .nav-link svg{transform:rotate(180deg);}

.mega-menu{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);
  width:640px;max-width:92vw;
  background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);padding:22px;
  display:grid;grid-template-columns:repeat(2,1fr);gap:4px 22px;
  opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s;
  z-index:50;
}
li.has-mega:hover .mega-menu,li.has-mega:focus-within .mega-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.mega-col-title{grid-column:1/-1;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);padding:8px 10px 4px;}
.mega-col-title:not(:first-child){margin-top:8px;border-top:1px solid var(--line);padding-top:14px;}
.mega-link{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;font-size:.87rem;color:var(--ink-soft);}
.mega-link:hover{background:var(--accent-soft);color:var(--accent);}
.mega-link .tick{width:5px;height:5px;border-radius:1px;background:var(--amber);flex-shrink:0;}

.header-actions{display:flex;align-items:center;gap:10px;}
.theme-toggle{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper-raised);display:flex;align-items:center;justify-content:center;
  color:var(--ink-soft);transition:border-color .15s,color .15s;
}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent);}
.theme-toggle svg{width:18px;height:18px;}
html.dark .icon-sun{display:block;}
html.dark .icon-moon{display:none;}
.icon-sun{display:none;}
.icon-moon{display:block;}

.menu-btn{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--paper-raised);align-items:center;justify-content:center;color:var(--ink);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:.92rem;
  border:1px solid transparent;transition:transform .15s,box-shadow .15s,background .15s,border-color .15s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-glow);}
.btn-primary:hover{box-shadow:0 12px 30px rgba(62,91,255,.3),0 8px 24px rgba(124,92,252,.22);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-block{width:100%;}
.btn-sm{padding:8px 14px;font-size:.82rem;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:76px 0 64px;overflow:hidden;}
.hero-glow{position:absolute;inset:0;z-index:0;pointer-events:none;}
.hero-glow::before,.hero-glow::after{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  filter:blur(90px);opacity:.28;
}
.hero-glow::before{top:-220px;left:50%;transform:translateX(-72%);background:var(--accent);}
.hero-glow::after{top:-180px;left:50%;transform:translateX(28%);background:var(--accent-2);}
html.dark .hero-glow::before,html.dark .hero-glow::after{opacity:.22;}
.grid-backdrop{z-index:1;}
.hero-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line-strong);background:var(--paper-card);font-family:var(--font-mono);font-size:.72rem;
  letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:22px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px var(--accent-soft);}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);margin-bottom:16px;}
.hero h1 .accent{
  background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{color:var(--ink-soft);font-size:1.08rem;max-width:560px;margin:0 auto 30px;}

.hero-stats{display:flex;align-items:center;justify-content:center;gap:30px;margin:0 0 32px;flex-wrap:wrap;}
.hero-stats div{text-align:center;}
.hero-stats strong{
  display:block;font-family:var(--font-display);font-size:1.5rem;
  background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stats span{font-size:.68rem;color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.07em;}
.hero-stats .stat-sep{width:1px;height:30px;background:var(--line-strong);}

.search-panel{
  position:relative;background:var(--paper-card);border:1px solid var(--line);
  border-radius:999px;box-shadow:var(--shadow-md);padding:6px;display:flex;gap:6px;
  max-width:560px;margin:0 auto 18px;transition:box-shadow .2s ease,border-color .2s ease;
}
.search-panel:focus-within{border-color:var(--accent);box-shadow:var(--shadow-glow);}
.search-panel input{
  flex:1;border:none;background:transparent;padding:12px 18px;font-size:.95rem;color:var(--ink);
}
.search-panel input::placeholder{color:var(--ink-faint);}
.search-panel button{border:none;background:var(--accent-gradient);color:#fff;border-radius:999px;padding:0 22px;font-weight:600;font-size:.9rem;}
.search-results{
  position:absolute;top:calc(100% + 10px);left:0;right:0;background:var(--paper-card);
  border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);
  padding:8px;text-align:left;max-height:320px;overflow-y:auto;display:none;z-index:30;
}
.search-results.active{display:block;}
.search-results a{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:8px;font-size:.88rem;}
.search-results a:hover{background:var(--accent-soft);color:var(--accent);}
.search-results .cat{font-family:var(--font-mono);font-size:.68rem;color:var(--ink-faint);}
.search-empty{padding:16px;text-align:center;color:var(--ink-faint);font-size:.85rem;}

.quick-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;}
.quick-tags a{font-size:.8rem;padding:6px 13px;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft);}
.quick-tags a:hover{border-color:var(--accent);color:var(--accent);}

/* ---------- Section shell ---------- */
.section{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.5rem,3vw,2rem);}
.section-head p{color:var(--ink-soft);margin-top:6px;max-width:520px;}
.section-tag{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber-ink);margin-bottom:8px;display:block;}
.view-all{font-size:.86rem;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:5px;}

/* ---------- Category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.cat-card{
  position:relative;padding:22px;border-radius:var(--radius-md);background:var(--paper-card);
  border:1px solid var(--line);transition:transform .18s ease,box-shadow .18s ease,border-color .18s;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--accent);}
.cat-card .icon-wrap{
  width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.cat-card .icon-wrap svg{width:22px;height:22px;}
.cat-card h3{font-size:1.02rem;margin-bottom:4px;}
.cat-card p{font-size:.82rem;color:var(--ink-faint);}
.cat-card .count{position:absolute;top:20px;right:20px;font-family:var(--font-mono);font-size:.7rem;color:var(--ink-faint);}

/* ---------- Tool cards ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.tool-card{
  display:flex;align-items:flex-start;gap:14px;padding:20px;border-radius:var(--radius-md);
  background:var(--paper-card);border:1px solid var(--line);transition:transform .18s,box-shadow .18s,border-color .18s;
}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--accent);}
.tool-card .icon-wrap{
  width:42px;height:42px;border-radius:11px;background:var(--paper-raised);border:1px solid var(--line);
  color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.tool-card .icon-wrap svg{width:20px;height:20px;}
.tool-card h3{font-size:.96rem;margin-bottom:3px;}
.tool-card p{font-size:.8rem;color:var(--ink-faint);}
.badge{display:inline-block;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.06em;text-transform:uppercase;padding:2px 7px;border-radius:5px;margin-left:8px;vertical-align:middle;}
.badge-new{background:rgba(31,174,106,.14);color:var(--success);}
.badge-hot{background:rgba(255,176,32,.16);color:var(--amber-ink);}

/* ---------- Why choose us ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.feature-card{padding:24px 20px;border-radius:var(--radius-md);background:linear-gradient(160deg,var(--paper-card),var(--paper-raised));border:1px solid var(--line);}
.feature-card .icon-wrap{width:40px;height:40px;border-radius:10px;background:var(--amber);color:#241800;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.feature-card .icon-wrap svg{width:20px;height:20px;}
.feature-card h3{font-size:1rem;margin-bottom:6px;}
.feature-card p{font-size:.84rem;color:var(--ink-faint);}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper-card);overflow:hidden;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;text-align:left;background:none;border:none;font-weight:600;font-size:.94rem;color:var(--ink);}
.faq-q svg{width:16px;height:16px;flex-shrink:0;transition:transform .2s;color:var(--ink-faint);}
.faq-item.open .faq-q svg{transform:rotate(45deg);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a p{padding:0 20px 18px;color:var(--ink-soft);font-size:.88rem;}

/* ---------- Newsletter ---------- */
.newsletter{
  border-radius:var(--radius-lg);padding:48px;text-align:center;
  background:var(--accent-gradient);color:#fff;position:relative;overflow:hidden;
}
.newsletter h2{color:#fff;font-size:clamp(1.4rem,3vw,1.9rem);margin-bottom:8px;}
.newsletter p{color:rgba(255,255,255,.85);margin-bottom:24px;}
.newsletter form{display:flex;gap:8px;max-width:440px;margin:0 auto;background:rgba(255,255,255,.14);padding:6px;border-radius:999px;border:1px solid rgba(255,255,255,.25);}
.newsletter input{flex:1;border:none;background:transparent;padding:12px 16px;color:#fff;font-size:.9rem;}
.newsletter input::placeholder{color:rgba(255,255,255,.7);}
.newsletter button{border:none;background:#fff;color:var(--accent-ink);border-radius:999px;padding:0 22px;font-weight:700;font-size:.88rem;}
.newsletter .form-note{margin-top:12px;font-size:.76rem;color:rgba(255,255,255,.7);}

/* ---------- Footer ---------- */
.site-footer{position:relative;border-top:1px solid var(--line);padding:56px 0 26px;background:var(--paper-raised);margin-top:40px;}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:2px;background:var(--accent-gradient);}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px;margin-bottom:40px;}
.footer-brand p{color:var(--ink-faint);font-size:.85rem;margin:14px 0 18px;max-width:280px;}
.footer-col h4{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:14px;font-family:var(--font-mono);}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{font-size:.86rem;color:var(--ink-soft);}
.footer-col a:hover{color:var(--accent);}
.social-row{display:flex;gap:8px;margin-top:6px;}
.social-row a{width:36px;height:36px;border-radius:999px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-soft);}
.social-row a:hover{border-color:var(--accent);color:var(--accent);}
.social-row svg{width:16px;height:16px;}
.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.8rem;color:var(--ink-faint);}
.footer-bottom a{color:var(--ink-faint);}
.footer-bottom a:hover{color:var(--accent);}

/* =========================================================
   TOOL PAGE LAYOUT
   ========================================================= */
.tool-shell{padding:36px 0 70px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:.82rem;color:var(--ink-faint);margin-bottom:22px;}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:.5;}

.tool-header{margin-bottom:28px;max-width:760px;}
.tool-header h1{font-size:clamp(1.5rem,3.4vw,2.1rem);margin-bottom:10px;}
.tool-header p{color:var(--ink-soft);font-size:.98rem;}

.tool-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}

.panel{
  background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);position:relative;
}
.panel::before,.panel::after{
  content:"";position:absolute;width:14px;height:14px;border-color:var(--line-strong);border-style:solid;
}
.panel::before{top:-1px;left:-1px;border-width:2px 0 0 2px;border-top-left-radius:8px;}
.panel::after{bottom:-1px;right:-1px;border-width:0 2px 2px 0;border-bottom-right-radius:8px;}

.field-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:16px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.field label{font-size:.82rem;font-weight:600;color:var(--ink-soft);display:flex;justify-content:space-between;}
.field label .hint{font-weight:400;color:var(--ink-faint);font-family:var(--font-mono);font-size:.72rem;}
.field input[type=text],.field input[type=number],.field input[type=date],.field select,.field textarea{
  border:1px solid var(--line-strong);background:var(--paper);color:var(--ink);border-radius:var(--radius-sm);
  padding:12px 14px;font-size:.95rem;font-family:var(--font-mono);transition:border-color .15s,box-shadow .15s;width:100%;
}
.field textarea{font-family:var(--font-body);min-height:140px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none;}
.radio-row{display:flex;gap:10px;flex-wrap:wrap;}
.radio-chip{position:relative;}
.radio-chip input{position:absolute;opacity:0;}
.radio-chip label{display:block;padding:8px 16px;border:1px solid var(--line-strong);border-radius:999px;font-size:.82rem;color:var(--ink-soft);}
.radio-chip input:checked + label{background:var(--accent);border-color:var(--accent);color:#fff;}

.actions-row{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap;}

/* Readout — the signature "instrument display" result panel */
.readout{
  background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;margin-top:22px;
}
.readout-label{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:10px;display:flex;justify-content:space-between;align-items:center;}
.readout-label .live-dot{width:6px;height:6px;border-radius:50%;background:var(--success);display:inline-block;margin-right:6px;box-shadow:0 0 0 3px rgba(31,174,106,.18);}
.readout-value{font-family:var(--font-mono);font-size:clamp(1.7rem,4vw,2.5rem);font-weight:600;color:var(--accent);word-break:break-word;line-height:1.2;}
.readout-value .unit{font-size:.5em;color:var(--ink-faint);margin-left:6px;font-weight:400;}
.readout-sub{font-size:.84rem;color:var(--ink-soft);margin-top:8px;}
.readout-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-top:16px;}
.readout-grid div{background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;}
.readout-grid .k{font-size:.72rem;color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;}
.readout-grid .v{font-family:var(--font-mono);font-size:1.05rem;font-weight:600;margin-top:3px;}

.side-panel h3{font-size:1rem;margin-bottom:12px;}
.side-panel + .side-panel{margin-top:20px;}
.formula-box{background:var(--paper-raised);border:1px dashed var(--line-strong);border-radius:var(--radius-sm);padding:16px;font-family:var(--font-mono);font-size:.86rem;color:var(--accent-ink);margin-bottom:14px;overflow-x:auto;}
.steps-list{display:flex;flex-direction:column;gap:10px;counter-reset:step;}
.steps-list li{list-style:none;padding-left:30px;position:relative;font-size:.86rem;color:var(--ink-soft);}
.steps-list li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:20px;height:20px;border-radius:6px;background:var(--accent-soft);color:var(--accent);font-family:var(--font-mono);font-size:.72rem;display:flex;align-items:center;justify-content:center;font-weight:700;}

.error-text{color:var(--danger);font-size:.82rem;margin-top:6px;display:none;}
.error-text.show{display:block;}

.copy-btn{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;color:var(--ink-soft);border:1px solid var(--line);padding:6px 12px;border-radius:999px;background:var(--paper-card);}
.copy-btn:hover{border-color:var(--accent);color:var(--accent);}
.copy-btn svg{width:13px;height:13px;}

.ad-slot{
  border:1px dashed var(--line-strong);border-radius:var(--radius-md);
  display:flex;align-items:center;justify-content:center;color:var(--ink-faint);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  padding:18px;margin:36px 0;min-height:90px;background:var(--paper-raised);
}

.related-tools{margin-top:52px;}
.article-body{max-width:760px;margin:0 auto;}
.article-body h2{font-size:1.3rem;margin:34px 0 12px;}
.article-body h3{font-size:1.05rem;margin:24px 0 10px;}
.article-body p{color:var(--ink-soft);margin-bottom:14px;font-size:.98rem;}
.article-body ul,.article-body ol{margin:0 0 16px 22px;color:var(--ink-soft);}
.article-body li{margin-bottom:6px;}
.article-meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--ink-faint);font-size:.82rem;font-family:var(--font-mono);margin-bottom:20px;}

.static-page{max-width:820px;margin:0 auto;padding:20px 0 60px;}
.static-page h1{font-size:2rem;margin-bottom:14px;}
.static-page h2{font-size:1.2rem;margin:28px 0 10px;}
.static-page p{color:var(--ink-soft);margin-bottom:12px;}
.static-page ul{margin:0 0 14px 22px;color:var(--ink-soft);}
.static-page li{margin-bottom:6px;}
.updated-note{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-faint);margin-bottom:26px;}

.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.blog-card{background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;transition:transform .18s,box-shadow .18s;}
.blog-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.blog-card .cat-label{font-family:var(--font-mono);font-size:.68rem;color:var(--amber-ink);text-transform:uppercase;letter-spacing:.08em;}
.blog-card h3{font-size:1.02rem;margin:8px 0 8px;}
.blog-card p{font-size:.85rem;color:var(--ink-faint);}

/* Contact / forms */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start;}
.contact-card{background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;}
.contact-card .row{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);}
.contact-card .row:last-child{border-bottom:none;}
.contact-card .icon-wrap{width:38px;height:38px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.contact-card .icon-wrap svg{width:18px;height:18px;}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .tool-layout{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:repeat(3,1fr);}
  .tool-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .blog-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:760px){
  .main-nav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:var(--paper);
    flex-direction:column;align-items:stretch;padding:18px;overflow-y:auto;
    transform:translateX(100%);transition:transform .25s ease;z-index:90;}
  .main-nav.open{transform:translateX(0);}
  .main-nav > ul{flex-direction:column;align-items:stretch;gap:4px;}
  .mega-menu{position:static;transform:none;width:100%;opacity:1;visibility:visible;box-shadow:none;
    display:none;grid-template-columns:1fr;border:none;padding:6px 0 6px 14px;max-width:none;}
  li.has-mega.open .mega-menu{display:grid;}
  .menu-btn{display:flex;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .tool-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .field-row{grid-template-columns:1fr;}
  .newsletter form{flex-direction:column;border-radius:16px;}
  .newsletter button{padding:12px;}
  .blog-grid{grid-template-columns:1fr;}
  .section-head{align-items:flex-start;}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* Print */
@media print{.site-header,.site-footer,.ad-slot{display:none;}}