/* 2026 visual polish pass: cleaner contrast, quieter surfaces, and stronger mobile rhythm. */
:root{
  --blue:#1f5eff;
  --blue-dark:#1649c7;
  --navy:#101828;
  --text:#344054;
  --muted:#667085;
  --pale:#f6f8fb;
  --soft:#eef4ff;
  --line:#e4e7ec;
  --success:#087443;
  --accent:#0f766e;
  --amber:#b45309;
  --shadow:0 18px 48px rgba(16,24,40,.1);
}

body{
  background:linear-gradient(180deg,#fff 0,#fff 48%,#f8fafc 100%);
  color:var(--text);
  text-rendering:optimizeLegibility;
}

.container{width:min(1160px,calc(100% - 44px))}
.site-header{
  background:rgba(255,255,255,.9);
  border-bottom:1px solid rgba(228,231,236,.9);
  box-shadow:0 8px 28px rgba(16,24,40,.04);
}
.nav{min-height:72px}
.brand{letter-spacing:0;font-size:1.32rem}
.brand span{color:var(--accent)}
.brand small{letter-spacing:.02em;color:#667085}
.nav-links{gap:10px}
.nav-links a{
  border-radius:999px;
  padding:9px 13px;
  transition:background .18s,color .18s;
}
.nav-links a:hover,.nav-links .active{background:#eef4ff;color:var(--blue)}

.hero{
  isolation:isolate;
  background:linear-gradient(135deg,rgba(238,244,255,.9),rgba(240,253,250,.75) 52%,#fff 100%);
  padding:92px 0 82px;
}
.hero:before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:
    linear-gradient(rgba(31,94,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(15,118,110,.055) 1px,transparent 1px);
  background-size:42px 42px;
  mask-image:linear-gradient(90deg,#000,transparent 78%);
}
.hero-grid{grid-template-columns:minmax(0,1.08fr) minmax(300px,.72fr);gap:64px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
  color:var(--accent);
  letter-spacing:.08em;
}
.eyebrow:before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent);
}
.hero h1,.section-heading h2,.page-hero h1{letter-spacing:0;color:var(--navy)}
.hero h1{max-width:760px}
.hero h1 em{
  color:var(--blue);
  text-decoration:underline;
  text-decoration-color:rgba(15,118,110,.3);
  text-decoration-thickness:.13em;
  text-underline-offset:.08em;
}
.hero-copy{color:#475467;font-size:1.08rem}
.button,.calc-button{
  border-radius:10px;
  background:linear-gradient(135deg,var(--blue),#0f766e);
  box-shadow:0 14px 28px rgba(31,94,255,.2);
}
.button:hover,.calc-button:hover{background:linear-gradient(135deg,var(--blue-dark),#0b5f59)}
.hero-panel{
  border-color:rgba(228,231,236,.95);
  border-radius:18px;
  padding:8px;
  box-shadow:0 24px 70px rgba(16,24,40,.12);
}
.stat{border-color:#eef2f6;border-radius:12px;padding:20px 22px}
.stat strong{font-size:1.02rem}

.section{padding:82px 0}
.soft{
  background:linear-gradient(180deg,#f8fafc,#f1f5f9);
  border-block:1px solid #eef2f6;
}
.section-heading{margin-bottom:34px}
.section-heading h2{line-height:1.12}
.tools-grid{gap:18px}
.tool-card,.benefits article,.calc-card,.info-card,.toolkit-card,.email-signup-card{
  border-color:#e4e7ec;
  border-radius:12px;
  box-shadow:0 1px 2px rgba(16,24,40,.04);
}
.tool-card{min-height:238px;padding:24px}
.tool-card:hover{
  border-color:#b2ccff;
  box-shadow:0 18px 42px rgba(16,24,40,.1);
  transform:translateY(-3px);
}
.tool-card.featured{background:linear-gradient(135deg,#1649c7,#0f766e)}
.tool-icon{border-radius:10px;background:#eef4ff;color:var(--blue)}
.tool-card:not(.featured) b{color:var(--accent)}
.benefits{gap:18px}
.benefits article{position:relative;overflow:hidden}
.benefits article:before{
  content:"";
  position:absolute;
  inset:0 0 auto;
  height:3px;
  background:linear-gradient(90deg,var(--blue),var(--accent),#f59e0b);
}
.benefits span{border-radius:9px;background:#ecfdf3;color:var(--success)}

.page-hero{
  background:linear-gradient(135deg,#f8fafc,#eef4ff 56%,#f0fdfa);
  border-bottom:1px solid #e4e7ec;
}
.breadcrumb{background:#f8fafc}
.calculator-wrap{max-width:980px}
.calc-card,.info-card{border-radius:16px;padding:28px}
.calc-card{box-shadow:0 18px 46px rgba(16,24,40,.08)}
.info-card{background:#f8fafc}
.field input,.field select,.field textarea{
  border-color:#d0d5dd;
  border-radius:10px;
  transition:border-color .16s,box-shadow .16s,background .16s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#84adff;
  box-shadow:0 0 0 4px rgba(31,94,255,.12);
  outline:0;
}
.result{border-left-color:var(--accent);background:#f0fdfa}
.faq-list details{
  border-color:#e4e7ec;
  border-radius:10px;
  box-shadow:0 1px 2px rgba(16,24,40,.035);
}
.site-footer{background:#111827;border-top:4px solid var(--accent)}

.google-calc-screen,.key{border-color:#e4e7ec}
.key{border-radius:12px}
.key-operator,.key-light{background:#f1f5f9}
.key-equal{
  border-color:var(--accent);
  background:linear-gradient(135deg,var(--blue),var(--accent));
}
.email-signup-card{background:linear-gradient(135deg,#fff,#eef4ff 55%,#f0fdfa)}

@media(max-width:820px){
  .hero-grid{
    grid-template-columns:1fr;
    gap:34px;
    align-items:start;
  }
  .hero-content,
  .hero-panel,
  .home-hero-panel{
    width:100%;
    max-width:100%;
    min-width:0;
  }
}

@media(max-width:760px){
  .menu-toggle{display:block}
  .nav-links{
    display:none;
    position:absolute;
    top:66px;
    right:0;
    left:0;
    align-items:flex-start;
    flex-direction:column;
    gap:0;
    border-bottom:1px solid #e5edf8;
    background:#fff;
    padding:12px 15px 16px;
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;border-radius:10px;padding:11px 12px}
}

@media(max-width:640px){
  .container{width:min(100% - 36px,1160px)}
  .site-header{backdrop-filter:blur(10px)}
  .nav{min-height:66px}
  .nav-links{top:66px;padding:12px 15px 16px}
  .nav-links a{border-radius:10px;padding:11px 12px}
  .hero{padding:58px 0 62px}
  .hero:before{background-size:34px 34px;mask-image:linear-gradient(180deg,#000,transparent 88%)}
  .hero h1{
    max-width:100%;
    overflow-wrap:normal;
    word-break:normal;
    white-space:normal;
  }
  .hero-copy{
    width:100%;
    max-width:100%;
    font-size:1rem;
    overflow-wrap:normal;
    word-break:normal;
    white-space:normal;
  }
  .hero-panel{border-radius:14px}
  .section{padding:56px 0}
  .tool-card{padding:22px}
  .calc-card,.info-card{padding:22px}
  .button{width:100%;min-height:48px;justify-content:center}
}

@media(max-width:420px){
  .hero h1{font-size:2.2rem}
  .page-hero h1{font-size:2rem}
  .brand{font-size:1.18rem}
  .brand small{font-size:.52rem}
}

.home-hero{padding:96px 0 84px}
.home-hero .hero-copy{max-width:680px;font-size:1.12rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:28px}
.secondary-cta{border:1px solid #c7d7fe;background:#fff;color:var(--blue);box-shadow:none}
.secondary-cta:hover{background:#eef4ff;color:var(--blue-dark)}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-trust span{border:1px solid #d0d5dd;border-radius:999px;background:rgba(255,255,255,.78);color:#475467;font-size:.86rem;font-weight:800;padding:8px 12px}
.home-hero-panel{display:grid;gap:10px;padding:12px}
.hero-tool-link{display:block;border:1px solid #e4e7ec;border-radius:14px;background:#fff;padding:18px 20px;transition:border-color .18s,box-shadow .18s,transform .18s}
.hero-tool-link:hover{border-color:#b2ccff;box-shadow:0 16px 32px rgba(16,24,40,.1);transform:translateY(-2px)}
.hero-tool-link strong{display:block;color:var(--navy);font-size:1rem}
.hero-tool-link span{display:block;margin-top:2px;color:var(--muted);font-size:.88rem}
.home-tools-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,380px);gap:24px;align-items:end}
.tool-search{display:block;border:1px solid #d0d5dd;border-radius:16px;background:#fff;padding:12px 14px;box-shadow:0 12px 28px rgba(16,24,40,.06)}
.tool-search span{display:block;margin-bottom:6px;color:var(--muted);font-size:.78rem;font-weight:850;text-transform:uppercase;letter-spacing:.06em}
.tool-search input{width:100%;border:0;background:transparent;color:var(--navy);font:inherit;font-weight:750;outline:0}
.tool-search:focus-within{border-color:#84adff;box-shadow:0 0 0 4px rgba(31,94,255,.12)}
.category-chips{display:flex;flex-wrap:wrap;gap:10px;margin:-10px 0 22px}
.category-chip{cursor:pointer;border:1px solid #d0d5dd;border-radius:999px;background:#fff;color:#475467;font:inherit;font-size:.9rem;font-weight:850;padding:10px 14px;transition:background .18s,border-color .18s,color .18s,transform .18s}
.category-chip:hover,.category-chip.active{border-color:#b2ccff;background:#eef4ff;color:var(--blue)}
.category-chip:hover{transform:translateY(-1px)}
.tool-search-status{min-height:22px;margin:0 0 14px;color:var(--muted);font-size:.9rem;font-weight:750}
.home-tools-grid .tool-card{height:100%;border-radius:16px}
.home-tools-grid .tool-card.featured{position:relative;overflow:hidden}
.home-tools-grid .tool-card.featured:after{content:"Featured";position:absolute;right:18px;top:18px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(255,255,255,.14);color:#fff;font-size:.7rem;font-weight:900;padding:5px 8px}
.home-tools-grid .tool-card.featured .tool-icon{background:rgba(255,255,255,.16);color:#fff}
.premium-benefits{grid-template-columns:repeat(3,1fr)}
.premium-benefits article{min-height:185px}
.premium-benefits span{width:auto;min-width:42px;padding:0 8px;border-radius:10px}
.resource-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.resource-card{display:flex;min-height:210px;flex-direction:column;border:1px solid #e4e7ec;border-radius:16px;background:#fff;padding:22px;box-shadow:0 1px 2px rgba(16,24,40,.04);transition:border-color .18s,box-shadow .18s,transform .18s}
.resource-card:hover{border-color:#b2ccff;box-shadow:0 18px 42px rgba(16,24,40,.1);transform:translateY(-3px)}
.resource-card span{display:grid;width:44px;height:44px;place-items:center;border-radius:12px;background:#eef4ff;color:var(--blue);font-weight:900}
.resource-card h3{margin:18px 0 7px;color:var(--navy);font-size:1.05rem}
.resource-card p{margin:0;color:#475467;font-size:.9rem}
.home-faq-list details{overflow:hidden;transition:background .18s,border-color .18s}
.home-faq-list details[open]{border-color:#b2ccff;background:#fff}
.home-faq-list details[open] p{animation:faqReveal .18s ease-out}
@keyframes faqReveal{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.bottom-cta{border:1px solid #dbe7f7;border-radius:22px;background:linear-gradient(135deg,#fff,#eef4ff 55%,#f0fdfa);box-shadow:var(--shadow);padding:36px;text-align:center}
.bottom-cta h2{margin:0 0 10px;color:var(--navy);font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.12}
.bottom-cta p:not(.eyebrow){max-width:560px;margin:0 auto 22px;color:#475467}
.bottom-cta .button{justify-content:center}
.site-footer .footer-grid{align-items:start}
.site-footer .brand{display:inline-block;margin-bottom:10px}
.site-footer h4{letter-spacing:.02em;text-transform:uppercase}
@media(max-width:980px){
  .home-tools-heading{grid-template-columns:1fr}
  .resource-grid{grid-template-columns:repeat(2,1fr)}
  .premium-benefits{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .home-hero{padding:64px 0 58px}
  .hero-actions{align-items:stretch;flex-direction:column}
  .hero-actions .button{width:100%;justify-content:center}
  .home-hero-panel{max-width:none}
  .category-chips{
    max-width:100%;
    overflow-x:auto;
    overflow-y:hidden;
    flex-wrap:nowrap;
    margin-bottom:18px;
    padding-bottom:4px;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .category-chips::-webkit-scrollbar{display:none}
  .category-chip{flex:0 0 auto}
}
@media(max-width:640px){
  .home-hero{padding:54px 0 56px}
  .home-hero h1{font-size:clamp(2.125rem,9vw,2.625rem)}
  .home-hero .hero-copy{font-size:1rem}
  .hero-actions{gap:12px;margin-top:24px}
  .hero-trust{gap:8px;align-items:flex-start}
  .hero-trust span{font-size:.82rem;padding:7px 10px;white-space:normal}
  .home-hero-panel{gap:10px;padding:10px}
  .hero-tool-link{padding:16px}
  .tool-search{border-radius:14px}
  .premium-benefits,.resource-grid{grid-template-columns:1fr}
  .premium-benefits article,.resource-card{min-height:0}
  .bottom-cta{border-radius:18px;padding:28px 20px}
}
@media(max-width:420px){
  .home-hero h1{font-size:clamp(2.125rem,10vw,2.35rem)}
  .home-tools-grid .tool-card.featured:after{position:static;align-self:flex-start;margin:0 0 8px}
}

/* Author Box */
.author-box { background: linear-gradient(180deg, #f8fafc, #f1f5f9); border-block: 1px solid #eef2f6; padding: 40px 0; }
.author-card { display: flex; gap: 22px; align-items: flex-start; }
.author-avatar { flex: 0 0 auto; }
.author-label { color: #667085; font-size: 0.78rem; font-weight: 850; letter-spacing: 0.06em; text-transform: uppercase; margin: 0 0 4px; }
.author-name { color: #101828; font-size: 1.08rem; font-weight: 750; margin: 0 0 6px; }
.author-bio { color: #475467; font-size: 0.92rem; line-height: 1.55; margin: 0 0 8px; }
.author-meta { display: flex; flex-wrap: wrap; gap: 8px; color: #667085; font-size: 0.82rem; }

/* Social Share */
.social-share { padding: 32px 0; }
.social-share h3 { color: #101828; font-size: 1.05rem; font-weight: 750; margin: 0 0 14px; }
.share-buttons { display: flex; gap: 10px; }
.share-btn { display: grid; width: 44px; height: 44px; place-items: center; border: 1px solid #e4e7ec; border-radius: 50%; background: #fff; color: #475467; transition: border-color 0.18s, background 0.18s, color 0.18s, transform 0.18s; }
.share-btn:hover { border-color: #b2ccff; background: #eef4ff; color: #1f5eff; transform: translateY(-2px); }
.share-btn.linkedin:hover { color: #0A66C2; }
.share-btn.facebook:hover { color: #1877F2; }
.share-btn.twitter:hover { color: #000; }
.share-btn.whatsapp:hover { color: #25D366; }
.share-btn.telegram:hover { color: #0088cc; }

/* Newsletter Section */
.newsletter-section { padding: 32px 0; }
.newsletter-card { border: 1px solid #e4e7ec; border-radius: 18px; background: linear-gradient(135deg, #fff, #eef4ff 55%, #f0fdfa); box-shadow: 0 18px 48px rgba(16,24,40,0.1); padding: 36px; text-align: center; }
.newsletter-card h2 { color: #101828; font-size: clamp(1.3rem,3vw,1.6rem); margin: 0 0 8px; }
.newsletter-card p { color: #475467; max-width: 480px; margin: 0 auto 20px; }
.newsletter-form { display: flex; gap: 10px; max-width: 440px; margin: 0 auto; }
.newsletter-form input { flex: 1; border: 1px solid #d0d5dd; border-radius: 10px; padding: 12px 14px; font: inherit; color: #101828; outline: 0; transition: border-color 0.16s, box-shadow 0.16s; }
.newsletter-form input:focus { border-color: #84adff; box-shadow: 0 0 0 4px rgba(31,94,255,0.12); }
.newsletter-form button { border: 0; border-radius: 10px; background: linear-gradient(135deg, #1f5eff, #0f766e); color: #fff; font-weight: 750; padding: 12px 22px; cursor: pointer; transition: background 0.18s; white-space: nowrap; }
.newsletter-form button:hover { background: linear-gradient(135deg, #1649c7, #0b5f59); }
#newsletter-status { min-height: 22px; margin-top: 12px; font-size: 0.9rem; }

/* Related Articles */
.related-articles { padding: 56px 0; }
.related-articles h2 { color: #101828; font-size: clamp(1.3rem,3vw,1.6rem); margin: 0 0 24px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.related-card { border: 1px solid #e4e7ec; border-radius: 14px; background: #fff; padding: 22px; transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s; }
.related-card:hover { border-color: #b2ccff; box-shadow: 0 18px 42px rgba(16,24,40,0.1); transform: translateY(-2px); }
.related-card h4 { margin: 0 0 8px; }
.related-card h4 a { color: #101828; font-weight: 750; text-decoration: none; }
.related-card h4 a:hover { color: #1f5eff; }
.related-card p { color: #475467; font-size: 0.88rem; margin: 0 0 12px; line-height: 1.5; }
.related-link { color: #1f5eff; font-size: 0.88rem; font-weight: 750; text-decoration: none; }
.related-link:hover { text-decoration: underline; }

@media (max-width: 820px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .newsletter-form { flex-direction: column; }
  .newsletter-form button { width: 100%; }
}
@media (max-width: 640px) {
  .author-card { flex-direction: column; align-items: center; text-align: center; }
  .author-meta { justify-content: center; }
  .share-buttons { justify-content: center; }
  .related-grid { grid-template-columns: 1fr; }
  .newsletter-card { padding: 28px 20px; }
}