:root {
  --navy: #15345a;
  --navy-dark: #102b4b;
  --green: #009b70;
  --green-bright: #00b981;
  --green-dark: #00835e;
  --text: #17345a;
  --muted: #607796;
  --border: #e0eaf5;
  --surface: #ffffff;
  --soft-green: #eff9f6;
  --shadow: 0 16px 40px rgba(21, 52, 90, 0.10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--text); background: #fff; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(0, 185, 129, 0.45); outline-offset: 3px; }
.container { width: min(1264px, calc(100% - 48px)); margin-inline: auto; }
.header { position: sticky; top: 0; z-index: 100; color: #fff; background: var(--navy); box-shadow: 0 2px 10px rgba(10, 30, 55, 0.08); }
.navbar { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 23px; font-weight: 800; letter-spacing: -1px; white-space: nowrap; }
.logo-green { color: var(--green-bright); }
.logo-icon { display: flex; width: 35px; height: 35px; }
.logo-icon img { width: 100%; height: 100%; display: block; }
.nav-links { display: flex; align-items: center; gap: 38px; }
.nav-links a { font-size: 14px; font-weight: 500; color: #f1f5fb; }
.nav-links a:hover { color: var(--green-bright); }
.nav-links a.active { color: var(--green-bright); }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 9px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; border-radius: 3px; background: #fff; }
.hero { background: radial-gradient(ellipse at 75% 45%, #f0f9ff 0%, transparent 40%), linear-gradient(115deg, #fff 0%, #fbfdff 100%); }
.hero-grid { min-height: 340px; padding-block: 42px 48px; display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 60px; }
.hero-content { max-width: 680px; }
.eyebrow { margin-bottom: 12px; color: #7189a9; font-size: 12px; font-weight: 800; letter-spacing: 1px; }
.hero h1 { max-width: 690px; font-size: clamp(36px, 4vw, 52px); font-weight: 800; line-height: 1.1; letter-spacing: -2px; }
.hero h1 span { color: var(--green); }
.hero-description { max-width: 560px; margin-top: 20px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.btn { min-height: 47px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 0; border-radius: 11px; font-weight: 700; cursor: pointer; }
.btn-primary { margin-top: 23px; padding: 0 24px; color: #fff; background: linear-gradient(110deg, #00a978, #008b63); box-shadow: 0 7px 18px rgba(0, 155, 112, 0.17); font-size: 14px; }
.btn-primary:hover { background: var(--green-dark); }
.hero-note { display: flex; align-items: center; gap: 8px; margin-top: 15px; color: var(--muted); font-size: 12px; }
.check-dot { display: grid; place-items: center; width: 19px; height: 19px; border-radius: 50%; color: var(--green); background: var(--soft-green); font-weight: 800; }
.popular-panel { width: 100%; max-width: 470px; justify-self: end; padding: 23px; border: 1px solid #edf2f8; border-radius: 15px; background: rgba(255, 255, 255, 0.97); box-shadow: var(--shadow); }
.popular-title { font-size: 16px; font-weight: 800; letter-spacing: -0.4px; margin-bottom: 8px; }
.popular-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 4px; border-bottom: 1px solid var(--border); }
.popular-item:hover { color: var(--green-dark); }
.popular-item strong { display: block; font-size: 13.5px; font-weight: 700; }
.popular-item small { display: block; margin-top: 2px; color: var(--muted); font-size: 11.5px; }
.popular-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.popular-stats > div { padding: 11px 10px; border-radius: 9px; background: var(--soft-green); text-align: center; }
.popular-stats strong { display: block; font-size: 12.5px; font-weight: 800; color: var(--green-dark); }
.popular-stats small { display: block; margin-top: 1px; font-size: 10.5px; color: var(--muted); }
.tools-section { padding-top: 24px; padding-bottom: 35px; }
.section-heading { margin-bottom: 18px; }
.section-heading h2 { font-size: 27px; font-weight: 800; letter-spacing: -1px; line-height: 1.3; }
.section-heading > div > p:last-child, .section-heading > p { margin-top: 4px; color: var(--muted); font-size: 13px; }
.tools-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tool-card { position: relative; min-height: 123px; display: flex; align-items: center; gap: 18px; padding: 18px 20px; border: 1px solid var(--border); border-radius: 9px; background: #fff; }
.tool-card:hover { transform: translateY(-3px); border-color: #a7dfcf; box-shadow: 0 12px 25px rgba(21, 52, 90, 0.07); }
.tool-content { min-width: 0; padding-right: 10px; }
.tool-content h3 { font-size: 14px; font-weight: 750; line-height: 1.45; letter-spacing: -0.3px; }
.tool-content p { margin-top: 6px; color: var(--muted); font-size: 11px; line-height: 1.65; }
.card-arrow { flex-shrink: 0; margin-left: auto; color: var(--navy); font-size: 21px; }
.tool-card:hover .card-arrow { transform: translateX(4px); color: var(--green); }
.step-card { cursor: default; }
.content-section { padding-block: 34px 10px; }
.content-section p { max-width: 820px; margin-top: 12px; color: var(--muted); font-size: 15px; }
.content-section p a { color: var(--green-dark); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.content-section h2 { margin-top: 28px; font-size: 22px; font-weight: 800; letter-spacing: -0.5px; color: var(--text); }
.content-section h3 { margin-top: 22px; font-size: 17px; font-weight: 800; color: var(--text); }
.content-list { max-width: 820px; margin-top: 12px; padding-left: 22px; color: var(--muted); font-size: 15px; }
.content-list li { margin-top: 8px; }
.content-list strong { color: var(--text); }
.faq-list { max-width: 820px; margin-top: 18px; }
.faq-item { border: 1px solid var(--border); border-radius: 11px; padding: 14px 18px; margin-top: 10px; background: var(--surface); }
.faq-item summary { font-weight: 700; font-size: 14.5px; cursor: pointer; }
.faq-item p { margin-top: 8px; color: var(--muted); font-size: 13.5px; }
.breadcrumb { padding-top: 22px; font-size: 12.5px; color: var(--muted); }
.breadcrumb a { color: var(--green-dark); font-weight: 600; }
.breadcrumb span { margin-inline: 4px; }
.page-title { font-size: 32px; font-weight: 800; letter-spacing: -0.8px; line-height: 1.2; color: var(--text); }
.post-meta { margin-top: 12px; color: var(--muted); font-size: 13px; }
.post-meta strong { color: var(--text); }
.article-body p { max-width: 820px; }
.callout { max-width: 820px; margin-top: 16px; padding: 14px 18px; border-radius: 11px; background: var(--soft-green); color: var(--text); font-size: 14px; }
.callout strong { color: var(--green-dark); }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.chip { display: inline-block; padding: 8px 14px; border: 1px solid var(--border); border-radius: 999px; background: #fbfdff; font-size: 13px; font-weight: 600; }
.chip:hover { border-color: var(--green); color: var(--green-dark); }
.post-card { display: block; }
.post-card .meta { display: block; margin-top: 8px; color: var(--muted); font-size: 11px; }
.form-note { margin-top: 6px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.contact-form { max-width: 640px; margin-top: 20px; }
.contact-form label { display: block; margin-top: 14px; font-size: 13px; font-weight: 700; }
.contact-form input, .contact-form textarea { width: 100%; margin-top: 6px; padding: 11px 13px; border: 1px solid #d7e2ef; border-radius: 8px; color: var(--text); font-size: 14px; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(0, 185, 129, 0.09); outline: none; }
.form-message { display: none; margin-top: 14px; padding: 12px 16px; border-radius: 9px; background: var(--soft-green); color: var(--green-dark); font-size: 14px; }
.footer { padding: 44px 0 30px; border-top: none; background: var(--navy-dark); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-block: 8px 26px; text-align: left; }
.footer-brand p { margin-top: 14px; max-width: 300px; color: #b9c9de; font-size: 13px; line-height: 1.65; }
.footer-col h3 { margin-bottom: 13px; color: #fff; font-size: 13px; font-weight: 800; letter-spacing: 0.6px; text-transform: uppercase; }
.footer-col a { display: block; margin-top: 9px; color: #b9c9de; font-size: 13px; }
.footer-col a:hover { color: var(--green-bright); }
.footer-bottom { padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.14); text-align: center; }
.footer-bottom .copyright { color: #dbe6f5; font-size: 12.5px; }
.footer-disclaimer { margin-top: 7px; color: #8fa5c0; font-size: 11.5px; line-height: 1.6; }
.footer .logo, .footer-logo { color: #fff; }
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr 0.9fr; gap: 30px; padding-block: 45px; }
  .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .popular-panel { justify-self: stretch; max-width: none; }
}
@media (max-width: 700px) {
  .container { width: min(100% - 32px, 540px); }
  .navbar { min-height: 62px; }
  .logo { font-size: 21px; }
  .menu-toggle { display: block; }
  .nav-links { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 15px; background: var(--navy); box-shadow: 0 12px 15px rgba(10, 30, 55, 0.15); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 8px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; padding-top: 37px; padding-bottom: 40px; }
  .hero h1 { font-size: clamp(36px, 9vw, 47px); letter-spacing: -1.8px; }
  .btn-primary { width: 100%; padding-inline: 12px; font-size: 13px; }
  .tools-grid { grid-template-columns: 1fr; gap: 12px; }
  .section-heading h2 { font-size: 25px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .popular-stats { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}