:root{
  --ink:#0B1220;
  --ink-soft:#111C2E;
  --paper:#F7F9FC;
  --paper-soft:#EDF1F7;
  --gold:#D4A62A;
  --green:#16A34A;
  --green-deep:#0F7A38;
  --slate:#5B6B82;
  --slate-dark:#2B3648;
  --border-light:#E3E8F0;
  --border-dark:#232F45;
  --danger:#DC2626;
  --font-display:'Outfit',sans-serif;
  --font-body:'Inter',sans-serif;
  --radius:14px;
  --shadow-sm:0 1px 3px rgba(11,18,32,0.08);
  --shadow-md:0 8px 24px rgba(11,18,32,0.10);
  --shadow-lg:0 20px 48px rgba(11,18,32,0.16);

  --bg:var(--paper);
  --bg-alt:var(--paper-soft);
  --surface:#FFFFFF;
  --text:var(--ink);
  --text-soft:var(--slate);
  --border:var(--border-light);
}

[data-theme="dark"]{
  --bg:var(--ink);
  --bg-alt:var(--ink-soft);
  --surface:#141E30;
  --text:#EDF1F7;
  --text-soft:#93A2B8;
  --border:var(--border-dark);
  --shadow-sm:0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:0 8px 24px rgba(0,0,0,0.35);
  --shadow-lg:0 20px 48px rgba(0,0,0,0.5);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  max-width:100vw;
  transition:background 0.25s ease, color 0.25s ease;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;letter-spacing:-0.01em;}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;}

/* ============ SKIP LINK ============ */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--green);color:#fff;padding:10px 16px;z-index:9999;border-radius:0 0 8px 0;}
.skip-link:focus{left:0;}

/* ============ HEADER ============ */
header.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(8px);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;max-width:1220px;margin:0 auto;gap:16px;
}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:1.25rem;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--green) 0%,var(--gold) 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;font-weight:800;flex-shrink:0;
}
.logo span.brand-dim{color:var(--text-soft);font-weight:500;font-size:0.85em;}

nav.main-nav{display:flex;align-items:center;gap:6px;}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none;}
.nav-list>li{position:relative;}
.nav-list>li>a,.nav-list>li>button.nav-toggle{
  display:flex;align-items:center;gap:4px;
  padding:9px 12px;border-radius:8px;font-size:0.92rem;font-weight:500;
  background:none;border:none;color:var(--text);white-space:nowrap;
}
.nav-list>li>a:hover,.nav-list>li>button.nav-toggle:hover{background:var(--bg-alt);}
.dropdown{
  position:absolute;top:calc(100% + 8px);left:0;min-width:280px;
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;
  transform:translateY(6px);transition:all 0.18s ease;max-height:70vh;overflow-y:auto;
}
.nav-list>li:hover .dropdown,.nav-list>li.open .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{display:block;padding:9px 12px;border-radius:8px;font-size:0.88rem;color:var(--text-soft);}
.dropdown a:hover{background:var(--bg-alt);color:var(--text);}

.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.theme-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:var(--bg-alt);display:flex;align-items:center;justify-content:center;font-size:1.1rem;
}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--bg-alt);align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.hamburger span{width:18px;height:2px;background:var(--text);border-radius:2px;}

.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:1100;background:rgba(11,18,32,0.5);
}
.mobile-drawer.open{display:block;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:86%;max-width:360px;background:var(--surface);
  padding:20px;overflow-y:auto;box-shadow:var(--shadow-lg);
}
.drawer-close{width:36px;height:36px;border-radius:8px;border:1px solid var(--border);background:var(--bg-alt);margin-bottom:16px;}
.drawer-section-title{font-size:0.75rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--text-soft);margin:18px 0 8px;}
.drawer-panel a{display:block;padding:10px 4px;border-bottom:1px solid var(--border);font-size:0.95rem;}

@media (max-width:960px){
  nav.main-nav{display:none;}
  .hamburger{display:flex;}
}

/* ============ BREADCRUMB ============ */
.breadcrumb-wrap{background:var(--bg-alt);border-bottom:1px solid var(--border);}
.breadcrumb{display:flex;align-items:center;gap:6px;padding:10px 0;font-size:0.82rem;color:var(--text-soft);flex-wrap:wrap;}
.breadcrumb a{color:var(--text-soft);}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb .sep{opacity:0.5;}
.breadcrumb .current{color:var(--text);font-weight:600;}

/* ============ HERO ============ */
.hero{padding:56px 0 40px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,163,74,0.14),transparent 70%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:48px;align-items:center;}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:32px;}}

.eyebrow{
  display:inline-flex;align-items:center;gap:6px;font-size:0.78rem;font-weight:700;letter-spacing:0.06em;
  text-transform:uppercase;color:var(--green-deep);background:rgba(22,163,74,0.1);
  padding:6px 12px;border-radius:100px;margin-bottom:16px;
}
[data-theme="dark"] .eyebrow{color:#4ADE80;background:rgba(74,222,128,0.12);}
.hero h1{font-size:clamp(2rem,4.4vw,3.1rem);line-height:1.1;margin-bottom:16px;}
.hero h1 .accent{color:var(--green);}
.hero p.lede{font-size:1.08rem;color:var(--text-soft);max-width:52ch;margin-bottom:28px;}

.calc-card{
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:24px;box-shadow:var(--shadow-md);
}
.calc-form{display:flex;flex-direction:column;gap:10px;}
.input-row{display:flex;gap:10px;flex-wrap:wrap;}
.url-input-wrap{flex:1 1 240px;position:relative;}
.url-input-wrap input{
  width:100%;padding:15px 16px 15px 42px;border-radius:12px;border:1.5px solid var(--border);
  background:var(--bg);color:var(--text);font-size:1rem;
}
.url-input-wrap input:focus{border-color:var(--green);}
.url-input-wrap .icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-soft);font-size:1.05rem;}
.calc-btn{
  padding:15px 26px;border-radius:12px;border:none;background:var(--green);color:#fff;font-weight:700;
  font-size:1rem;display:flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;
  box-shadow:0 6px 16px rgba(22,163,74,0.35);transition:transform 0.15s ease, box-shadow 0.15s ease;
}
.calc-btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(22,163,74,0.4);}
.calc-btn:active{transform:translateY(0);}
.calc-btn:disabled{opacity:0.7;cursor:not-allowed;transform:none;}
.field-hint{font-size:0.78rem;color:var(--text-soft);}
.field-error{font-size:0.82rem;color:var(--danger);display:none;font-weight:600;}
.field-error.show{display:block;}

.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px;font-size:0.78rem;color:var(--text-soft);}
.trust-row span{display:flex;align-items:center;gap:6px;}

/* Signature dial */
.dial-wrap{display:flex;justify-content:center;}
.dial{
  width:100%;max-width:340px;aspect-ratio:1/1;border-radius:50%;position:relative;
  background:conic-gradient(from -90deg, var(--green) 0deg, var(--gold) 200deg, var(--border) 200deg 360deg);
  display:flex;align-items:center;justify-content:center;padding:18px;
  box-shadow:var(--shadow-lg);
}
.dial-inner{
  width:100%;height:100%;border-radius:50%;background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  border:1px solid var(--border);
}
.dial-label{font-size:0.72rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--text-soft);margin-bottom:6px;}
.dial-value{font-family:var(--font-display);font-weight:800;font-size:clamp(1.8rem,4vw,2.6rem);color:var(--text);font-variant-numeric:tabular-nums;}
.dial-sub{font-size:0.8rem;color:var(--text-soft);margin-top:8px;}
@media (prefers-reduced-motion: reduce){.dial-value{transition:none;}}

/* ============ RESULT SECTION ============ */
.result-section{padding:8px 0 40px;display:none;}
.result-section.show{display:block;}
.result-card{
  background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:32px;
  box-shadow:var(--shadow-md);
}
.result-top{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start;justify-content:space-between;margin-bottom:24px;}
.result-worth-label{font-size:0.85rem;color:var(--text-soft);margin-bottom:4px;}
.result-worth{font-family:var(--font-display);font-weight:800;font-size:clamp(2.2rem,5vw,3.2rem);color:var(--green-deep);}
[data-theme="dark"] .result-worth{color:#4ADE80;}
.result-range{font-size:0.9rem;color:var(--text-soft);margin-top:4px;}
.confidence-badge{
  padding:6px 14px;border-radius:100px;font-size:0.78rem;font-weight:700;text-transform:uppercase;letter-spacing:0.04em;
  background:rgba(212,166,42,0.15);color:#9A7412;flex-shrink:0;
}
[data-theme="dark"] .confidence-badge{color:var(--gold);}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:24px;}
.stat-box{background:var(--bg-alt);border-radius:14px;padding:16px;border:1px solid var(--border);}
.stat-box .stat-label{font-size:0.75rem;color:var(--text-soft);margin-bottom:4px;text-transform:uppercase;letter-spacing:0.04em;}
.stat-box .stat-value{font-family:var(--font-display);font-weight:700;font-size:1.3rem;}

.result-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px;}
@media (max-width:720px){.result-cols{grid-template-columns:1fr;}}
.result-block h3{font-size:1rem;margin-bottom:10px;}
.factor-list,.tip-list{list-style:none;display:flex;flex-direction:column;gap:8px;}
.factor-list li,.tip-list li{
  padding:10px 12px;background:var(--bg-alt);border-radius:10px;font-size:0.9rem;
  display:flex;gap:8px;border:1px solid var(--border);
}
.factor-list li::before{content:"▲";color:var(--green);font-size:0.7rem;margin-top:3px;}
.tip-list li::before{content:"→";color:var(--gold);font-weight:700;}
.summary-text{font-size:0.95rem;color:var(--text-soft);line-height:1.7;}

.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;padding-top:20px;border-top:1px solid var(--border);}
.action-btn{
  padding:11px 18px;border-radius:10px;border:1.5px solid var(--border);background:var(--bg-alt);
  color:var(--text);font-weight:600;font-size:0.88rem;display:flex;align-items:center;gap:7px;
}
.action-btn:hover{border-color:var(--green);color:var(--green-deep);}
.action-btn.primary{background:var(--green);color:#fff;border-color:var(--green);}
.action-btn.primary:hover{color:#fff;background:var(--green-deep);}

.signals-note{margin-top:16px;font-size:0.78rem;color:var(--text-soft);padding:12px 14px;background:var(--bg-alt);border-radius:10px;border:1px solid var(--border);}

.loading-state{display:none;text-align:center;padding:32px 0;}
.loading-state.show{display:block;}
.spinner{width:44px;height:44px;border-radius:50%;border:4px solid var(--border);border-top-color:var(--green);animation:spin 0.8s linear infinite;margin:0 auto 16px;}
@keyframes spin{to{transform:rotate(360deg);}}
@media (prefers-reduced-motion: reduce){.spinner{animation-duration:1.6s;}}
.loading-text{color:var(--text-soft);font-size:0.92rem;}

.error-state{display:none;background:rgba(220,38,38,0.08);border:1px solid rgba(220,38,38,0.3);border-radius:14px;padding:18px 20px;margin-top:12px;}
.error-state.show{display:block;}
.error-state strong{color:var(--danger);}

/* ============ SECTIONS GENERIC ============ */
section{padding:56px 0;}
.section-head{text-align:center;max-width:640px;margin:0 auto 40px;}
.section-eyebrow{font-size:0.78rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--green-deep);margin-bottom:10px;}
[data-theme="dark"] .section-eyebrow{color:#4ADE80;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.1rem);margin-bottom:12px;}
.section-head p{color:var(--text-soft);}

.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:var(--shadow-sm);}
.feature-icon{width:44px;height:44px;border-radius:11px;background:linear-gradient(135deg,var(--green),var(--gold));display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;margin-bottom:14px;}
.feature-card h3{font-size:1.02rem;margin-bottom:8px;}
.feature-card p{font-size:0.88rem;color:var(--text-soft);}

.steps-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;}
.step-card{position:relative;padding-left:0;}
.step-num{
  width:38px;height:38px;border-radius:10px;background:var(--bg-alt);border:1.5px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;color:var(--green-deep);margin-bottom:14px;
}
[data-theme="dark"] .step-num{color:#4ADE80;}
.step-card h3{font-size:1rem;margin-bottom:8px;}
.step-card p{font-size:0.88rem;color:var(--text-soft);}

.article-block{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:32px;}
.article-block h2{font-size:1.4rem;margin-bottom:14px;}
.article-block p{color:var(--text-soft);font-size:0.95rem;margin-bottom:14px;}
.article-block p:last-child{margin-bottom:0;}

.faq-item{border-bottom:1px solid var(--border);}
.faq-item:first-child{border-top:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 4px;background:none;border:none;text-align:left;font-weight:600;font-size:0.98rem;color:var(--text);
}
.faq-icon{flex-shrink:0;transition:transform 0.2s ease;font-size:1.1rem;color:var(--text-soft);}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.25s ease;}
.faq-item.open .faq-a{max-height:300px;}
.faq-a p{padding:0 4px 18px;color:var(--text-soft);font-size:0.92rem;}

.related-tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;}
.related-tool-link{
  display:flex;align-items:center;gap:10px;padding:13px 14px;background:var(--surface);border:1px solid var(--border);
  border-radius:12px;font-size:0.86rem;font-weight:500;
}
.related-tool-link:hover{border-color:var(--green);color:var(--green-deep);}
[data-theme="dark"] .related-tool-link:hover{color:#4ADE80;}
.related-tool-link .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0;}

.cta-section{
  background:linear-gradient(135deg,var(--ink) 0%,#16233A 100%);border-radius:24px;padding:52px 32px;text-align:center;color:#fff;
  margin:0 auto;max-width:1220px;
}
.cta-section h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px;color:#fff;}
.cta-section p{color:#B7C2D4;max-width:520px;margin:0 auto 28px;}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.cta-btn{padding:14px 24px;border-radius:12px;font-weight:700;font-size:0.95rem;}
.cta-btn.solid{background:var(--green);color:#fff;box-shadow:0 8px 22px rgba(22,163,74,0.4);}
.cta-btn.outline{border:1.5px solid rgba(255,255,255,0.25);color:#fff;}

.pre-footer-links{border-top:1px solid var(--border);padding:36px 0;background:var(--bg-alt);}
.pre-footer-links h3{font-size:0.9rem;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-soft);margin-bottom:16px;}

/* ============ FOOTER ============ */
footer{background:var(--ink);color:#B7C2D4;padding:52px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:28px;margin-bottom:36px;}
@media (max-width:900px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-col h4{color:#fff;font-size:0.85rem;text-transform:uppercase;letter-spacing:0.05em;margin-bottom:14px;}
.footer-col a{display:block;font-size:0.85rem;color:#93A2B8;padding:5px 0;}
.footer-col a:hover{color:#fff;}
.footer-brand p{font-size:0.85rem;color:#93A2B8;margin-top:12px;max-width:32ch;}
.footer-bottom{border-top:1px solid #1E2A40;padding-top:22px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:0.8rem;color:#7285A0;}
.footer-bottom-links{display:flex;gap:16px;flex-wrap:wrap;}
.footer-bottom-links a{color:#93A2B8;}
.footer-bottom-links a:hover{color:#fff;}
.disclaimer{font-size:0.76rem;color:#5E7089;margin-top:18px;line-height:1.6;}

/* ============ COOKIE BANNER ============ */
.cookie-banner{
  position:fixed;bottom:16px;left:16px;right:16px;max-width:560px;margin:0 auto;z-index:1200;
  background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px 20px;
  box-shadow:var(--shadow-lg);display:none;gap:14px;flex-wrap:wrap;align-items:center;justify-content:space-between;
}
.cookie-banner.show{display:flex;}
.cookie-banner p{font-size:0.84rem;color:var(--text-soft);flex:1 1 240px;}
.cookie-banner p a{color:var(--green-deep);font-weight:600;}
.cookie-btns{display:flex;gap:8px;flex-shrink:0;}
.cookie-btn{padding:9px 16px;border-radius:9px;font-size:0.84rem;font-weight:600;}
.cookie-btn.accept{background:var(--green);color:#fff;border:none;}
.cookie-btn.dismiss{background:none;border:1px solid var(--border);color:var(--text);}

/* Feedback toast */
.toast{
  position:fixed;bottom:20px;right:20px;background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;
  font-size:0.86rem;box-shadow:var(--shadow-lg);z-index:1300;opacity:0;transform:translateY(10px);transition:all 0.25s ease;pointer-events:none;
}
.toast.show{opacity:1;transform:translateY(0);}

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}

@media (max-width:480px){
  .container{padding:0 16px;}
  .result-card,.calc-card{padding:18px;}
  .cta-section{padding:38px 18px;}
}