/* ── Besly theme for AI Humanizer — v3 complete ────────────────────────── */
:root{
  --base:#000000;--base2:#0A0A0F;--panel:#0F0F17;--panel2:#14141E;
  --line:rgba(255,255,255,0.08);--line2:rgba(255,255,255,0.04);
  --accent:#7C3AED;--accent2:#06B6D4;
  --accent-glow:rgba(124,58,237,0.35);--accent2-glow:rgba(6,182,212,0.25);
  --text:#F0F0FF;--text2:#9898B8;--text3:#5A5A7A;
  --card:rgba(255,255,255,0.025);--card-line:rgba(255,255,255,0.07);
  --card-hover:rgba(124,58,237,0.08);
  --success:#10B981;--danger:#F87171;--warn:#F59E0B;
  --header-bg:rgba(0,0,0,0.72);
  --radius-sm:8px;--radius:12px;--radius-lg:16px;--radius-xl:20px;
  --human:#7C3AED;--human-soft:#A78BFA;--human-paper:#E8E8FF;--human-bg:#0D0B1A;
  --mech:#9898B8;--mech-dim:#5A5A7A;--mech-bg:#07070F;
  --shadow-card:0 0 0 1px rgba(255,255,255,0.05),0 4px 24px rgba(0,0,0,0.5);
  --shadow-accent:0 0 30px var(--accent-glow);
}
[data-theme="light"]{
  --base:#F5F4FF;--base2:#EEEEFF;--panel:#FFFFFF;--panel2:#F0EFFE;
  --line:rgba(0,0,0,0.08);--line2:rgba(0,0,0,0.04);
  --accent:#6D28D9;--accent2:#0891B2;
  --accent-glow:rgba(109,40,217,0.15);--accent2-glow:rgba(8,145,178,0.15);
  --text:#0A0A1A;--text2:#4A4A6A;--text3:#8888AA;
  --card:rgba(0,0,0,0.03);--card-line:rgba(0,0,0,0.07);
  --card-hover:rgba(109,40,217,0.05);
  --success:#059669;--danger:#DC2626;--warn:#D97706;
  --header-bg:rgba(245,244,255,0.88);
  --human:#6D28D9;--human-soft:#7C3AED;--human-paper:#1A0A2E;--human-bg:#F3F0FF;
  --mech:#4A4A6A;--mech-dim:#8888AA;--mech-bg:#EEEEFF;
  --shadow-card:0 0 0 1px rgba(0,0,0,0.06),0 4px 24px rgba(0,0,0,0.08);
  --shadow-accent:0 0 20px var(--accent-glow);
}

/* ── RESET & BASE ── */
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
}
body{
  background:var(--base);color:var(--text);
  font-family:'Space Grotesk','Inter',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  transition:background .2s,color .2s;line-height:1.6;
}
/* Besly dot-grid background */
body::before{
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(circle,rgba(255,255,255,0.055) 1px,transparent 1px);
  background-size:28px 28px;
}
[data-theme="light"] body::before{
  background-image:radial-gradient(circle,rgba(0,0,0,0.045) 1px,transparent 1px);
}
/* subtle ambient glow */
body::after{
  content:'';position:fixed;top:0;left:50%;transform:translateX(-50%);
  width:900px;height:400px;z-index:-1;pointer-events:none;
  background:radial-gradient(ellipse 60% 100% at 50% 0%,rgba(124,58,237,0.1) 0%,transparent 70%);
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.container{max-width:1280px;margin:0 auto;padding:0 24px;}
.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;}

/* ── SKIP LINK ── */
.skip-link{
  position:absolute;left:-9999px;top:4px;z-index:999;
  background:var(--accent);color:#fff;padding:10px 18px;
  border-radius:0 0 8px 0;font-size:14px;font-weight:600;
}
.skip-link:focus{left:4px;}

/* ── HEADER / NAV ── */
header{
  position:sticky;top:0;z-index:100;
  background:var(--header-bg);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid var(--line);
}
nav.bar{display:flex;align-items:center;justify-content:space-between;height:64px;}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;color:var(--text);letter-spacing:-0.03em;
  flex-shrink:0;
}
.logo-mark{display:block;height:34px;width:auto;color:var(--text);}
.logo-icon{
  width:32px;height:32px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 0 18px var(--accent-glow);
}
.navlinks{display:flex;align-items:center;gap:6px;}
.navlinks a{
  font-size:14px;font-weight:500;color:var(--text2);
  padding:6px 12px;border-radius:var(--radius-sm);
  transition:color .15s,background .15s;
}
.navlinks a:hover{color:var(--text);background:var(--card);}
.navlinks a.active{color:var(--text);background:var(--card-hover);}
@media(max-width:768px){.navlinks{display:none;}}
.navactions{display:flex;align-items:center;gap:8px;}

/* Buttons */
.btn-signup{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;padding:8px 18px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:700;letter-spacing:-0.01em;
  box-shadow:0 0 22px var(--accent-glow);
  transition:opacity .15s,transform .15s,box-shadow .15s;
  white-space:nowrap;
}
.btn-signup:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 0 32px var(--accent-glow);}
.theme-toggle{
  width:36px;height:36px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--panel);color:var(--text2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  font-size:15px;transition:border-color .15s,color .15s;flex-shrink:0;
}
.theme-toggle:hover{border-color:var(--accent);color:var(--text);}
.icon-btn{
  display:inline-flex;align-items:center;gap:5px;
  border:1px solid var(--card-line);background:var(--card);color:var(--text2);
  padding:5px 11px;border-radius:6px;font-size:12px;font-weight:500;
  cursor:pointer;transition:all .15s;font-family:inherit;
}
.icon-btn:hover:not(:disabled){color:var(--text);border-color:rgba(124,58,237,0.5);background:var(--card-hover);}
.icon-btn:disabled{opacity:.35;cursor:not-allowed;}
.icon-btn.active{color:var(--accent);border-color:var(--accent);background:var(--card-hover);}

/* Mobile hamburger toggle */
.nav-mobile-toggle{
  display:none;width:36px;height:36px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--panel);color:var(--text2);
  align-items:center;justify-content:center;cursor:pointer;font-size:18px;
  transition:border-color .15s;
}
.nav-mobile-toggle:hover{border-color:var(--accent);}
@media(max-width:768px){.nav-mobile-toggle{display:flex;}}
.mobile-nav{
  display:none;position:fixed;inset:0;z-index:200;
  background:rgba(0,0,0,0.95);backdrop-filter:blur(16px);flex-direction:column;
  align-items:center;justify-content:center;gap:32px;
}
.mobile-nav.open{display:flex;}
.mobile-nav a{font-size:24px;font-weight:700;color:var(--text);letter-spacing:-0.02em;}
.mobile-nav a:hover{color:var(--accent);}
.mobile-nav-close{
  position:absolute;top:20px;right:20px;
  background:none;border:1px solid var(--line);color:var(--text2);
  width:40px;height:40px;border-radius:var(--radius-sm);cursor:pointer;font-size:20px;
}

/* ── BREADCRUMB ── */
.breadcrumb-nav{border-bottom:1px solid var(--line);background:rgba(0,0,0,0.25);}
[data-theme="light"] .breadcrumb-nav{background:rgba(0,0,0,0.03);}
.breadcrumb-list{display:flex;flex-wrap:wrap;gap:0;list-style:none;padding:9px 0;font-size:13px;color:var(--mech-dim);}
.breadcrumb-item{display:flex;align-items:center;}
.breadcrumb-item a{color:var(--mech-dim);transition:color .15s;}
.breadcrumb-item a:hover{color:var(--accent);}
.breadcrumb-item.current span{color:var(--text2);}
.breadcrumb-item span[aria-hidden]{padding:0 6px;opacity:.4;}

/* ── HERO ── */
.hero{position:relative;overflow:hidden;padding:80px 0 104px;}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(70% 60% at 50% -10%,rgba(124,58,237,0.2) 0%,transparent 65%),
    radial-gradient(50% 40% at 85% 50%,rgba(6,182,212,0.1) 0%,transparent 60%);
}
.hero-grid-line{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    linear-gradient(rgba(124,58,237,0.065) 1px,transparent 1px),
    linear-gradient(90deg,rgba(124,58,237,0.065) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,black 0%,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,black 0%,transparent 70%);
}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}

.eyebrow-wrap{display:flex;justify-content:center;margin-bottom:28px;animation:fadeUp .45s ease-out forwards;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(124,58,237,0.35);background:rgba(124,58,237,0.1);
  padding:6px 16px;border-radius:999px;font-size:12px;font-weight:700;
  color:var(--human-soft);letter-spacing:0.05em;text-transform:uppercase;
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--accent2);box-shadow:0 0 8px var(--accent2);}

h1.headline{
  text-align:center;font-size:44px;line-height:1.05;letter-spacing:-0.035em;
  font-weight:800;color:var(--text);max-width:820px;margin:0 auto;
  animation:fadeUp .5s ease-out .05s both;
}
h1.headline em{
  font-style:normal;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
@media(min-width:640px){h1.headline{font-size:54px;}}
@media(min-width:900px){h1.headline{font-size:68px;}}
.subhead{
  text-align:center;color:var(--text2);max-width:560px;margin:20px auto 0;
  font-size:17px;line-height:1.65;animation:fadeUp .5s ease-out .1s both;
}

/* ── TOOL CARD (main homepage tool) ── */
.tool-wrap{max-width:980px;margin:48px auto 0;animation:fadeUp .5s ease-out .18s both;}
.control-row{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;margin-bottom:18px;}
.control-group{display:flex;flex-direction:column;gap:7px;align-items:center;}
.control-label{font-size:10px;letter-spacing:0.12em;text-transform:uppercase;color:var(--mech-dim);font-weight:700;}
.pill-row{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;}
.pill-btn{
  border:1px solid var(--line);background:var(--panel);color:var(--text2);
  padding:7px 15px;border-radius:7px;font-size:13px;font-weight:500;
  cursor:pointer;transition:all .15s;font-family:inherit;
}
.pill-btn:hover{color:var(--text);border-color:rgba(124,58,237,0.4);background:var(--card-hover);}
.pill-btn.active{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;border-color:transparent;
  box-shadow:0 0 18px var(--accent-glow);
}
.tool-card{
  display:grid;
  border:1px solid var(--card-line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:0 0 60px rgba(124,58,237,0.12),0 0 0 1px rgba(124,58,237,0.07);
}
@media(min-width:768px){.tool-card{grid-template-columns:1fr 1fr;}}
.pane{padding:22px;display:flex;flex-direction:column;position:relative;}
@media(min-width:768px){.pane{padding:26px;}}
.pane-input{background:var(--mech-bg);}
.pane-output{background:var(--human-bg);border-top:1px solid var(--line);}
@media(min-width:768px){.pane-output{border-top:none;border-left:1px solid var(--line);}}
.pane-label-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;}
.label-mech{font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--mech-dim);font-weight:600;}
.label-human{font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--accent);font-weight:600;opacity:.85;}
.charcount{font-size:11px;color:var(--mech-dim);}
.charcount.over{color:var(--danger);}
textarea{
  width:100%;height:200px;resize:none;background:transparent;border:none;
  font-size:14px;line-height:1.7;color:var(--text2);font-family:inherit;flex:1;
}
textarea::placeholder{color:rgba(90,90,122,0.55);}
textarea:focus{outline:none;}
@media(min-width:768px){textarea{height:264px;}}
.output-box{
  height:200px;flex:1;overflow-y:auto;
  font-size:15px;line-height:1.72;color:var(--human-paper);
}
@media(min-width:768px){.output-box{height:264px;}}
.output-placeholder{color:rgba(168,139,250,0.28);}
.output-toolbar{display:flex;align-items:center;gap:5px;}
.mode-tag{
  font-size:10px;letter-spacing:0.04em;padding:2px 7px;border-radius:4px;
  border:1px solid var(--mech-dim);color:var(--mech-dim);white-space:nowrap;
}
.mode-tag.mode-tag-fast{color:var(--success);border-color:var(--success);}
.seam{height:2px;width:100%;border-radius:999px;margin-top:-1px;overflow:hidden;
  background:linear-gradient(90deg,var(--accent) 0%,var(--accent2) 100%);}
.seam.active{background-size:200% 100%;animation:sweep 1.4s ease-in-out infinite;}
@keyframes sweep{0%{background-position:200% 0}100%{background-position:-50% 0}}
.tool-actions{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:24px;}
.btn-humanize{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;font-weight:800;font-size:15px;letter-spacing:-0.01em;
  padding:14px 36px;border-radius:11px;border:none;cursor:pointer;
  box-shadow:0 0 32px var(--accent-glow),0 4px 16px rgba(0,0,0,0.4);
  transition:transform .2s,box-shadow .2s;font-family:inherit;
}
.btn-humanize:hover{transform:translateY(-2px);box-shadow:0 0 44px var(--accent-glow),0 8px 24px rgba(0,0,0,0.5);}
.btn-humanize:disabled{opacity:.4;cursor:not-allowed;transform:none;}
.tool-note{font-size:12px;color:var(--mech-dim);}
.meaning-warning{margin-top:10px;font-size:12px;color:var(--human-soft);display:flex;align-items:center;gap:6px;}
.kbd-hint{font-size:11px;color:var(--mech-dim);border:1px solid var(--line);border-radius:4px;padding:1px 5px;}
.meta-row{display:flex;justify-content:space-between;margin-top:10px;font-size:11px;color:var(--mech-dim);}
.compare-original{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;line-height:1.6;color:var(--text2);}
.compare-original .ct-label{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--mech-dim);margin-bottom:6px;}
.diff-del{color:var(--danger);text-decoration:line-through;opacity:.7;}
.diff-add{color:var(--success);}

/* ── TRUST ROW ── */
.trust-row{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px 32px;
  max-width:680px;margin:56px auto 0;font-size:14px;color:var(--text2);
  opacity:0;animation:fadeUp .6s ease-out .3s forwards;
}
.trust-row span{display:flex;align-items:center;gap:7px;}
.check{color:var(--success);font-weight:700;}

/* ── SECTIONS ── */
section.block{border-top:1px solid var(--line);padding:88px 0;}
@media(min-width:900px){section.block{padding:120px 0;}}
.section-head{max-width:640px;margin:0 auto;text-align:center;}
.section-head h2{
  font-size:34px;font-weight:800;letter-spacing:-0.03em;color:var(--text);line-height:1.1;
}
@media(min-width:900px){.section-head h2{font-size:44px;}}
.section-head h2 em{
  font-style:normal;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.section-head p{margin-top:16px;color:var(--text2);font-size:16px;line-height:1.7;}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media(prefers-reduced-motion:reduce){.reveal{transition:none!important;opacity:1!important;transform:none!important;}}

/* ── BENTO FEATURES GRID ── */
.features-grid{display:grid;gap:12px;margin-top:56px;grid-template-columns:1fr;}
@media(min-width:640px){.features-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.features-grid{grid-template-columns:repeat(4,1fr);}}
.feature-card{
  border:1px solid var(--card-line);background:var(--panel);
  border-radius:var(--radius-lg);padding:26px;position:relative;overflow:hidden;
  transition:border-color .2s,transform .2s;
}
.feature-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(124,58,237,0.07) 0%,transparent 55%);
  opacity:0;transition:opacity .2s;
}
.feature-card:hover{border-color:rgba(124,58,237,0.35);transform:translateY(-2px);}
.feature-card:hover::before{opacity:1;}
.feature-icon{
  width:44px;height:44px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(124,58,237,0.22),rgba(6,182,212,0.15));
  font-size:20px;margin-bottom:18px;
  border:1px solid rgba(124,58,237,0.28);
}
.feature-card h3{font-size:16px;font-weight:700;color:var(--text);letter-spacing:-0.01em;}
.feature-card p{margin-top:8px;font-size:14px;line-height:1.62;color:var(--text2);}

/* ── EXAMPLES ── */
.examples-wrap{max-width:720px;margin:56px auto 0;display:flex;flex-direction:column;gap:20px;}
.example-card{border:1px solid var(--card-line);border-radius:var(--radius-lg);overflow:hidden;}
.ex-before{background:var(--mech-bg);padding:20px 22px;}
.ex-before span{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--mech-dim);font-weight:700;}
.ex-before p{margin-top:9px;font-size:14px;line-height:1.65;color:var(--text2);}
.ex-arrow{display:flex;justify-content:center;background:var(--base);padding:10px 0;color:rgba(124,58,237,0.5);font-size:20px;}
.ex-after{background:var(--human-bg);padding:20px 22px;border-top:1px solid rgba(124,58,237,0.12);}
.ex-after span{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-weight:700;}
.ex-after p{margin-top:9px;font-size:15px;line-height:1.72;color:var(--human-paper);}

/* ── AUDIENCE PILLS ── */
.audience-pills{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:700px;margin:40px auto 0;}
.audience-pill{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--card-line);background:var(--panel);
  padding:9px 18px;border-radius:9px;font-size:13px;font-weight:600;color:var(--text2);
  transition:border-color .15s,color .15s,transform .15s;
}
.audience-pill:hover{border-color:rgba(124,58,237,0.4);color:var(--text);transform:translateY(-1px);}
.audience-pill .dot{font-size:17px;}

/* ── TESTIMONIAL QUOTES ── */
.quotes-grid{display:grid;gap:12px;margin-top:56px;grid-template-columns:1fr;}
@media(min-width:768px){.quotes-grid{grid-template-columns:repeat(3,1fr);}}
.quote-card{
  border:1px solid var(--card-line);background:var(--panel);
  border-radius:var(--radius-lg);padding:26px;position:relative;overflow:hidden;
}
.quote-card::before{
  content:'\201C';position:absolute;top:10px;left:18px;
  font-size:72px;color:rgba(124,58,237,0.1);line-height:1;
  font-family:Georgia,serif;pointer-events:none;
}
.quote-card p{font-size:14px;line-height:1.72;color:var(--text2);position:relative;}
.quote-meta{margin-top:20px;font-size:14px;}
.quote-meta .name{font-weight:700;color:var(--text);}
.quote-meta .role{color:var(--mech-dim);font-size:13px;}

/* ── FAQ ── */
.faq-list{max-width:720px;margin:48px auto 0;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;
  padding:20px 0;background:none;border:none;cursor:pointer;
  text-align:left;font-size:15px;font-weight:600;color:var(--text);font-family:inherit;
  transition:color .15s;gap:16px;
}
.faq-q:hover{color:var(--accent);}
.faq-q .chev{transition:transform .22s ease;color:var(--mech-dim);font-size:14px;flex-shrink:0;}
.faq-item.open .faq-q{color:var(--accent);}
.faq-item.open .faq-q .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.open .faq-a{max-height:600px;}
.faq-a p{padding-bottom:20px;padding-right:36px;font-size:14px;line-height:1.78;color:var(--text2);}

/* ── CTA SECTION ── */
.cta-card{
  position:relative;max-width:780px;margin:0 auto;overflow:hidden;
  border:1px solid rgba(124,58,237,0.28);background:var(--panel);
  border-radius:var(--radius-xl);padding:72px 36px;text-align:center;
}
.cta-glow{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 80% at 50% 0%,rgba(124,58,237,0.18) 0%,transparent 70%);
}
.cta-card h2{font-size:36px;font-weight:800;letter-spacing:-0.03em;color:var(--text);position:relative;}
@media(min-width:640px){.cta-card h2{font-size:44px;}}
.cta-card h2 em{
  font-style:normal;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.cta-card p{margin-top:16px;color:var(--text2);max-width:460px;margin-left:auto;margin-right:auto;position:relative;font-size:16px;line-height:1.65;}
.btn-cta{
  margin-top:36px;display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;padding:15px 36px;border-radius:11px;font-weight:800;font-size:15px;
  position:relative;transition:transform .2s,box-shadow .2s;
  box-shadow:0 0 32px var(--accent-glow);letter-spacing:-0.01em;
}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 0 48px var(--accent-glow);}

/* ── FOOTER ── */
footer{border-top:1px solid var(--line);padding:0;}
.footer-mega{
  display:grid;gap:32px;padding:56px 0 40px;
  grid-template-columns:1fr 1fr;
}
@media(min-width:768px){.footer-mega{grid-template-columns:repeat(4,1fr);}}
.footer-col{display:flex;flex-direction:column;gap:11px;}
.footer-heading{
  font-weight:700;font-size:11px;text-transform:uppercase;
  letter-spacing:.1em;color:var(--text);margin-bottom:4px;
}
.footer-col a{font-size:13px;color:var(--mech-dim);transition:color .15s;}
.footer-col a:hover{color:var(--text);}
.footer-bottom{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:24px 0;border-top:1px solid var(--line);
}
@media(min-width:600px){.footer-bottom{flex-direction:row;justify-content:space-between;}}
.footer-copy{font-size:13px;color:var(--mech-dim);}
.footer-social{display:flex;gap:16px;}
.footer-social a{font-size:13px;color:var(--mech-dim);transition:color .15s;}
.footer-social a:hover{color:var(--text);}
.footer-logo .logo-mark{height:28px;}

/* ── TOASTS ── */
.toast-stack{position:fixed;bottom:20px;right:20px;z-index:500;display:flex;flex-direction:column;gap:8px;max-width:320px;}
.toast{
  background:var(--panel);border:1px solid var(--line);color:var(--text);
  padding:12px 16px;border-radius:var(--radius);font-size:13px;
  box-shadow:0 8px 24px -8px rgba(0,0,0,.6);
  opacity:0;transform:translateY(8px);transition:opacity .2s,transform .2s;
}
.toast.show{opacity:1;transform:translateY(0);}
.toast.toast-error{border-color:var(--danger);}
.toast.toast-success{border-color:var(--success);}

/* ── SEARCH OVERLAY ── */
.search-overlay{
  display:none;position:fixed;inset:0;z-index:400;
  background:rgba(0,0,0,0.78);backdrop-filter:blur(8px);
  align-items:flex-start;justify-content:center;padding-top:80px;
}
.search-overlay.open{display:flex;}
.search-modal{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  width:100%;max-width:600px;margin:0 16px;overflow:hidden;
  box-shadow:0 0 60px rgba(124,58,237,0.22);
}
.search-input-wrap{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line);}
.search-input-wrap input{
  flex:1;background:none;border:none;font-size:16px;color:var(--text);
  font-family:inherit;
}
.search-input-wrap input:focus{outline:none;}
.search-input-wrap input::placeholder{color:var(--mech-dim);}
.search-results-list{max-height:420px;overflow-y:auto;padding:8px 0;}
.search-result-item{display:block;padding:12px 20px;cursor:pointer;transition:background .15s;}
.search-result-item:hover{background:var(--card-hover);}
.search-result-title{font-weight:600;color:var(--text);font-size:15px;}
.search-result-desc{font-size:13px;color:var(--text2);margin-top:2px;}
.search-empty{padding:24px;text-align:center;color:var(--mech-dim);font-size:14px;}

/* ── READING PROGRESS BAR ── */
#reading-progress-bar{
  position:fixed;top:0;left:0;z-index:300;height:2px;width:0%;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  transition:width .1s linear;
}

/* ── CONTENT PAGES — shared layout ── */
.content-page-wrap{position:relative;overflow:hidden;}
.content-page-wrap::before{
  content:'';position:absolute;top:0;right:0;width:500px;height:400px;z-index:-1;
  pointer-events:none;
  background:radial-gradient(50% 50% at 100% 0%,rgba(124,58,237,0.08) 0%,transparent 70%);
}
/* two-col: article + sidebar */
.content-page{
  display:grid;grid-template-columns:1fr;gap:40px;
  padding:48px 24px 80px;max-width:1280px;margin:0 auto;
}
@media(min-width:1024px){.content-page{grid-template-columns:1fr 280px;align-items:start;}}

/* content header */
.content-header{margin-bottom:32px;}
.content-type-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11px;text-transform:uppercase;letter-spacing:.08em;
  color:var(--accent);font-weight:700;margin-bottom:14px;
  border:1px solid rgba(124,58,237,0.3);background:rgba(124,58,237,0.08);
  padding:4px 11px;border-radius:6px;
}
.content-header h1{
  font-size:32px;font-weight:800;line-height:1.1;letter-spacing:-0.025em;
  color:var(--text);margin-bottom:16px;
}
@media(min-width:768px){.content-header h1{font-size:40px;}}
.content-lead{font-size:17px;line-height:1.65;color:var(--text2);margin-bottom:20px;}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--mech-dim);}
.article-meta time{color:var(--mech-dim);}

/* tags */
.content-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.tag{
  display:inline-flex;padding:4px 11px;border-radius:6px;
  font-size:12px;font-weight:500;border:1px solid var(--line);
  color:var(--text2);background:var(--panel);
}
.content-tags-footer{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px;}

/* Inline TOC */
.toc-inline{
  background:var(--panel);border:1px solid var(--card-line);
  border-radius:var(--radius);padding:20px 24px;margin:32px 0;font-size:14px;
}
.toc-inline strong{display:block;margin-bottom:10px;color:var(--text);font-weight:700;font-size:13px;}
.toc-inline ul{padding-left:20px;}
.toc-inline li{margin:6px 0;}
.toc-inline a{color:var(--text2);}
.toc-inline a:hover{color:var(--accent);}

/* Guide two-column with sticky TOC */
.guide-page{
  display:grid;grid-template-columns:1fr;gap:40px;
  padding:48px 24px 80px;max-width:1280px;margin:0 auto;
}
@media(min-width:1100px){.guide-page{grid-template-columns:240px 1fr;align-items:start;}}
.toc-sidebar{order:-1;}
@media(min-width:1100px){.toc-sidebar{order:0;}}
.toc-sticky{
  position:sticky;top:80px;background:var(--panel);
  border:1px solid var(--card-line);border-radius:var(--radius);
  padding:20px;font-size:13px;
}
.toc-title{
  display:block;font-weight:700;font-size:10px;text-transform:uppercase;
  letter-spacing:.1em;margin-bottom:14px;color:var(--accent);
}
.toc-sticky ul{padding-left:16px;}
.toc-sticky li{margin:6px 0;line-height:1.4;}
.toc-sticky a{color:var(--text2);}
.toc-sticky a:hover{color:var(--accent);}
.guide-body{min-width:0;}

/* content body typography */
.content-body{font-size:16px;line-height:1.82;color:var(--text);}
.content-body h2{
  font-size:24px;font-weight:800;margin:52px 0 14px;color:var(--text);
  letter-spacing:-0.02em;border-bottom:1px solid var(--line);padding-bottom:10px;
}
.content-body h3{font-size:19px;font-weight:700;margin:36px 0 10px;color:var(--text);}
.content-body h4{font-size:16px;font-weight:700;margin:24px 0 8px;color:var(--text);}
.content-body p{margin:0 0 18px;}
.content-body ul,.content-body ol{padding-left:24px;margin:0 0 20px;}
.content-body li{margin:8px 0;}
.content-body a{color:var(--accent);text-decoration:underline;text-decoration-color:rgba(124,58,237,0.35);}
.content-body a:hover{text-decoration-color:var(--accent);}
.content-body blockquote{
  border-left:3px solid var(--accent);padding:14px 22px;margin:28px 0;
  background:rgba(124,58,237,0.07);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-style:italic;color:var(--text2);
}
.content-body code{
  font-size:13px;background:var(--mech-bg);
  padding:2px 7px;border-radius:5px;color:var(--accent2);
}
.content-body pre{
  background:var(--mech-bg);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;overflow-x:auto;margin:24px 0;
}
.content-body pre code{background:none;padding:0;color:var(--text2);}
.content-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;}
.content-body th{
  background:var(--panel);text-align:left;padding:11px 14px;
  font-weight:700;border-bottom:2px solid var(--line);color:var(--text);
}
.content-body td{padding:10px 14px;border-bottom:1px solid var(--line);color:var(--text2);}
.content-body tr:hover td{background:var(--card-hover);}
.content-body img{max-width:100%;height:auto;border-radius:var(--radius);}

/* ── SIDEBAR ── */
.content-sidebar{display:flex;flex-direction:column;gap:20px;}
.sidebar-cta{
  position:sticky;top:80px;background:var(--panel);
  border:1px solid rgba(124,58,237,0.22);border-radius:var(--radius-lg);
  padding:26px;
}
.sidebar-cta h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--text);}
.sidebar-cta p{font-size:14px;line-height:1.62;color:var(--text2);margin-bottom:18px;}
.btn-cta-sm{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;font-weight:700;font-size:14px;padding:10px 20px;
  border-radius:9px;transition:transform .15s,box-shadow .15s;
}
.btn-cta-sm:hover{transform:translateY(-1px);box-shadow:0 0 22px var(--accent-glow);}
.btn-try-tool{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;font-weight:700;font-size:15px;padding:13px 26px;border-radius:10px;
  transition:transform .15s,box-shadow .15s;margin-top:12px;
  box-shadow:0 0 26px var(--accent-glow);
}
.btn-try-tool:hover{transform:translateY(-2px);box-shadow:0 0 38px var(--accent-glow);}

/* ── FAQ in content pages ── */
.faq-section{margin-top:52px;border-top:1px solid var(--line);padding-top:16px;}
.faq-section h2{
  font-size:24px;font-weight:800;margin:24px 0 8px;
  letter-spacing:-0.02em;color:var(--text);
}

/* related terms */
.related-terms{margin-top:48px;border-top:1px solid var(--line);padding-top:24px;}
.related-terms h2{font-size:20px;font-weight:700;margin-bottom:16px;color:var(--text);}
.related-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;}
.related-list li a{
  display:inline-flex;padding:5px 12px;border:1px solid var(--line);
  border-radius:6px;font-size:13px;color:var(--text2);
  background:var(--panel);transition:all .15s;
}
.related-list li a:hover{color:var(--text);border-color:rgba(124,58,237,0.4);}

/* ── LISTING PAGES ── */
.listing-hero{position:relative;overflow:hidden;padding:56px 0 44px;border-bottom:1px solid var(--line);}
.listing-hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(55% 60% at 10% 0%,rgba(124,58,237,0.1) 0%,transparent 60%),
    radial-gradient(50% 50% at 90% 20%,rgba(6,182,212,0.07) 0%,transparent 60%);
}
.listing-header{max-width:680px;margin:0;}
.listing-header h1{font-size:38px;font-weight:800;margin:8px 0 12px;color:var(--text);letter-spacing:-0.025em;}
.listing-header p{font-size:16px;color:var(--text2);line-height:1.6;}
.listing-body{padding:48px 0 80px;}
.listing-grid{display:grid;gap:12px;list-style:none;padding:0;grid-template-columns:1fr;}
@media(min-width:600px){.listing-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.listing-grid{grid-template-columns:repeat(3,1fr);}}
.listing-card{
  border:1px solid var(--card-line);background:var(--panel);
  border-radius:var(--radius);overflow:hidden;
  transition:border-color .2s,background .2s,transform .2s;
}
.listing-card:hover{border-color:rgba(124,58,237,0.38);background:var(--card-hover);transform:translateY(-2px);}
.listing-card-link{display:flex;flex-direction:column;gap:8px;padding:20px 22px;height:100%;}
.listing-card-title{font-weight:700;font-size:15px;color:var(--text);}
.listing-card-desc{font-size:13px;line-height:1.55;color:var(--text2);flex:1;}
.listing-card-date{font-size:11px;color:var(--mech-dim);}
.listing-empty{color:var(--text2);font-style:italic;padding:32px 0;}

/* ── STATIC PAGES ── */
.static-page{max-width:720px;margin:0 auto;padding:56px 24px 80px;}

/* ── TOOL PAGE — individual tool shell layout ── */
.tool-article{min-width:0;}
.tool-hero{
  position:relative;overflow:hidden;padding:60px 0 48px;
  border-bottom:1px solid var(--line);margin-bottom:0;
}
.tool-hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:radial-gradient(50% 80% at 80% 0%,rgba(6,182,212,0.1) 0%,transparent 60%),
             radial-gradient(40% 60% at 10% 100%,rgba(124,58,237,0.08) 0%,transparent 60%);
}

/* ── COMPARE article ── */
.compare-article{min-width:0;}
.glossary-term{min-width:0;}
.article-body{min-width:0;}

/* ── UTILITY ── */
.gradient-text{
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}