:root {
  --bg: #06100d;
  --bg-deep: #030806;
  --panel: #0a1712;
  --panel-2: #0d1e17;
  --line: rgba(174, 255, 196, 0.13);
  --line-strong: rgba(174, 255, 196, 0.25);
  --text: #f4f8f5;
  --muted: #9db0a4;
  --green: #87f59f;
  --green-2: #b6ff75;
  --gold: #d8b25c;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --radius: 22px;
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% -10%, rgba(135, 245, 159, 0.11), transparent 34%),
    var(--bg-deep);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body::selection { background: var(--green); color: #06100d; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button, input, textarea, select { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; left: 14px; top: -60px; z-index: 1000; padding: 10px 14px; background: var(--green); color: #06100d; border-radius: 8px; font-weight: 800; }
.skip-link:focus { top: 14px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(3, 8, 6, 0.72);
  backdrop-filter: blur(18px);
  transition: border-color .2s ease, background .2s ease;
}
.site-header.is-scrolled { border-color: var(--line); background: rgba(3, 8, 6, 0.92); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { margin-right: auto; }
.brand img { width: 172px; height: auto; }
.main-nav { display: flex; gap: 26px; align-items: center; }
.main-nav a { color: #c8d5cd; font-size: .91rem; font-weight: 650; transition: color .2s ease; }
.main-nav a:hover { color: var(--green); }
.header-cta {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 11px 15px; border: 1px solid var(--line-strong); border-radius: 12px;
  font-size: .9rem; font-weight: 800; background: rgba(135,245,159,.06);
}
.header-cta span { color: var(--green); }
.nav-toggle { display: none; border: 0; background: transparent; padding: 9px; cursor: pointer; }
.nav-toggle span { display: block; width: 23px; height: 2px; background: #fff; margin: 4px 0; border-radius: 2px; }

.hero { position: relative; overflow: hidden; padding: 94px 0 0; border-bottom: 1px solid var(--line); }
.hero-grid-bg {
  position: absolute; inset: 0; opacity: .23; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}
.hero-layout { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 54px; min-height: 570px; }
.eyebrow, .section-label { color: var(--green); font-size: .75rem; line-height: 1.2; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.eyebrow > span { width: 28px; height: 1px; background: var(--green); }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(3.05rem, 6vw, 5.9rem); letter-spacing: -.065em; line-height: .94; font-weight: 850; }
.hero-lead { max-width: 690px; margin: 28px 0 0; color: #bac9c0; font-size: clamp(1rem, 1.5vw, 1.15rem); }
.hero-actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 50px; padding: 0 19px; border-radius: 12px; font-size: .92rem; font-weight: 850; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--green); color: #06100d; box-shadow: 0 10px 34px rgba(135,245,159,.15); }
.btn-primary:hover { background: var(--green-2); }
.btn-secondary { border: 1px solid var(--line-strong); color: #e9f1ec; background: rgba(255,255,255,.02); }
.btn-secondary:hover { border-color: rgba(135,245,159,.55); }
.hero-notes { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 30px; color: #81988a; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.hero-notes span { display: inline-flex; align-items: center; gap: 7px; }
.hero-notes svg { width: 15px; height: 15px; fill: var(--green); }

.hero-visual { position: relative; min-height: 500px; display: grid; place-items: center; }
.radar { position: relative; width: min(430px, 94%); aspect-ratio: 1; border: 1px solid var(--line-strong); border-radius: 50%; display: grid; place-items: center; box-shadow: inset 0 0 80px rgba(135,245,159,.03), 0 0 80px rgba(135,245,159,.03); }
.radar::before, .radar::after { content: ""; position: absolute; background: var(--line); }
.radar::before { width: 100%; height: 1px; }
.radar::after { width: 1px; height: 100%; }
.radar-ring { position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.radar-ring.r1 { width: 76%; height: 76%; }
.radar-ring.r2 { width: 50%; height: 50%; }
.radar-ring.r3 { width: 24%; height: 24%; }
.radar-line { position: absolute; inset: 0; border-radius: 50%; background: conic-gradient(from 0deg, rgba(135,245,159,.22), transparent 18%, transparent 100%); animation: radar 7s linear infinite; }
.radar-core { position: relative; z-index: 2; width: 112px; height: 112px; border-radius: 28px; background: linear-gradient(145deg, #b6ff75, #67dd8e); color: #06100d; display: grid; place-items: center; transform: rotate(45deg); box-shadow: 0 24px 80px rgba(135,245,159,.25); }
.radar-core span, .radar-core small { transform: rotate(-45deg); position: absolute; }
.radar-core span { font-size: 3.25rem; font-weight: 950; line-height: 1; top: 24px; }
.radar-core small { font-size: .55rem; font-weight: 950; letter-spacing: .22em; bottom: 20px; }
.radar-dot { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 22px var(--green); }
.d1 { top: 21%; left: 30%; }.d2 { top: 62%; right: 18%; }.d3 { bottom: 20%; left: 25%; }
.signal-card { position: absolute; z-index: 3; min-width: 122px; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: 12px; background: rgba(7,19,15,.82); backdrop-filter: blur(12px); box-shadow: var(--shadow); }
.signal-card small { display: block; color: #72897b; font-size: .62rem; font-weight: 800; letter-spacing: .16em; }
.signal-card strong { display: block; margin-top: 3px; color: #eef7f1; font-size: .79rem; letter-spacing: .1em; }
.signal-a { top: 12%; right: 0; }.signal-b { left: 0; bottom: 20%; }.signal-c { right: 4%; bottom: 8%; }
@keyframes radar { to { transform: rotate(360deg); } }

.ticker { position: relative; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: #759082; font-size: .69rem; font-weight: 850; letter-spacing: .15em; white-space: nowrap; overflow: hidden; }
.ticker i { flex: 0 0 4px; width: 4px; height: 4px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }

.section { padding: 112px 0; }
.section-dark { background: #07110e; border-block: 1px solid var(--line); }
.section-heading { max-width: 780px; margin-bottom: 48px; }
.section-heading h2, .article-header h2, .faq-intro h2, .final-cta h2 { margin: 12px 0 0; font-size: clamp(2.2rem, 4vw, 4.1rem); line-height: 1.02; letter-spacing: -.05em; }
.section-heading > p, .article-header > p, .faq-intro > p { margin: 20px 0 0; color: var(--muted); max-width: 730px; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1fr .72fr; gap: 70px; align-items: end; }
.split-heading > p { margin: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-card { min-height: 285px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,.015), transparent); transition: background .2s ease; }
.feature-card:hover { background: rgba(135,245,159,.035); }
.feature-number { color: var(--green); font-size: .78rem; font-weight: 900; letter-spacing: .13em; }
.feature-card h3 { margin: 74px 0 12px; font-size: 1.2rem; letter-spacing: -.02em; }
.feature-card p { margin: 0; color: var(--muted); font-size: .92rem; }

.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.category-card { position: relative; min-height: 300px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255,255,255,.025), rgba(135,245,159,.015)); overflow: hidden; }
.category-card::before { content: ""; position: absolute; width: 190px; height: 190px; border: 1px solid var(--line); border-radius: 50%; top: -72px; right: -66px; }
.category-card::after { content: ""; position: absolute; width: 116px; height: 116px; border: 1px solid var(--line); border-radius: 50%; top: -35px; right: -30px; }
.category-top { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; color: var(--green); font-size: .68rem; font-weight: 900; letter-spacing: .14em; }
.category-top i { width: 7px; height: 7px; background: var(--green); border-radius: 50%; box-shadow: 0 0 18px var(--green); }
.category-card h3 { position: relative; z-index: 2; margin: 68px 0 10px; font-size: 1.55rem; letter-spacing: -.03em; }
.category-card p { position: relative; z-index: 2; margin: 0; color: var(--muted); font-size: .92rem; max-width: 90%; }
.category-card a { position: absolute; left: 24px; bottom: 22px; z-index: 2; color: #dfeae3; font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }
.category-card a span { color: var(--green); margin-left: 5px; }

.guide-section { background: linear-gradient(180deg, #040a08, #06100d); }
.guide-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 92px; align-items: start; }
.guide-sticky { position: sticky; top: 112px; }
.guide-sticky h2 { margin: 14px 0 16px; font-size: clamp(2.3rem, 4vw, 4rem); line-height: 1.02; letter-spacing: -.055em; }
.guide-sticky p { color: var(--muted); max-width: 520px; }
.text-link { display: inline-flex; gap: 10px; align-items: center; margin-top: 18px; color: var(--green); font-size: .84rem; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.steps-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.steps-list li { display: grid; grid-template-columns: 74px 1fr; gap: 18px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.step-index { color: var(--green); font-size: .72rem; font-weight: 900; letter-spacing: .15em; padding-top: 4px; }
.steps-list h3 { margin: 0 0 8px; font-size: 1.25rem; }
.steps-list p { margin: 0; color: var(--muted); }

.article-wrap { padding: 118px 0; background: #f2f4ef; color: #132019; }
.article-wrap .section-label { color: #347949; }
.article-header { max-width: 920px; margin-bottom: 62px; }
.article-header > p { color: #5b6a60; font-size: 1.05rem; }
.article-layout { display: grid; grid-template-columns: 290px minmax(0, 760px); gap: 82px; align-items: start; justify-content: space-between; }
.article-toc { position: sticky; top: 104px; }
.toc-box { border-top: 2px solid #132019; padding-top: 14px; }
.toc-box small { display: block; margin-bottom: 14px; font-size: .68rem; font-weight: 900; letter-spacing: .17em; }
.toc-box a { display: grid; grid-template-columns: 30px 1fr; gap: 9px; padding: 9px 0; border-bottom: 1px solid rgba(19,32,25,.12); color: #4d5b52; font-size: .78rem; line-height: 1.35; }
.toc-box a:hover { color: #1d7037; }
.toc-box a span { color: #6a7a70; font-size: .67rem; font-weight: 800; }
.article-section { scroll-margin-top: 110px; padding: 0 0 58px; margin-bottom: 58px; border-bottom: 1px solid rgba(19,32,25,.15); }
.article-kicker { color: #3c7d4f; font-size: .68rem; font-weight: 900; letter-spacing: .15em; }
.article-section h2 { margin: 10px 0 22px; font-size: clamp(1.8rem, 3vw, 2.75rem); line-height: 1.1; letter-spacing: -.04em; }
.article-section p { margin: 0 0 18px; color: #3e4b43; font-size: 1.02rem; line-height: 1.82; }
.article-section p:last-child { margin-bottom: 0; }

.faq-section { background: #07110e; }
.faq-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 94px; align-items: start; }
.faq-intro { position: sticky; top: 112px; }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-item { border-bottom: 1px solid var(--line-strong); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 24px 0; font-size: 1.06rem; font-weight: 760; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary b { width: 28px; height: 28px; flex: 0 0 28px; border: 1px solid var(--line-strong); border-radius: 50%; display: grid; place-items: center; color: var(--green); font-size: 1rem; font-weight: 500; transition: transform .2s ease; }
.faq-item[open] summary b { transform: rotate(45deg); }
.faq-answer { padding: 0 54px 24px 0; color: var(--muted); }
.faq-answer p { margin: 0; }

.final-cta { padding: 74px 0; background: var(--green); color: #06100d; }
.final-cta .section-label { color: #275f34; }
.final-cta h2 { max-width: 720px; font-size: clamp(2.35rem, 4.5vw, 4.65rem); }
.final-cta-inner { display: flex; justify-content: space-between; align-items: end; gap: 40px; }
.final-cta .btn-primary { background: #06100d; color: #f4f8f5; box-shadow: none; }
.final-cta .btn-primary:hover { background: #0c1d16; }
.final-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.text-link.light { color: #173d23; }

.site-footer { padding: 58px 0 82px; background: #020604; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1fr .5fr 1fr; gap: 70px; }
.footer-grid > div:first-child p { max-width: 380px; margin: 18px 0 0; color: #72867a; font-size: .87rem; }
.footer-grid nav { display: grid; align-content: start; gap: 8px; }
.footer-grid nav a { color: #9fb0a6; font-size: .86rem; }
.footer-grid nav a:hover { color: var(--green); }
.footer-note { color: #708176; font-size: .76rem; }
.footer-note p { margin: 0 0 18px; }
.footer-note span { color: #54645a; }
.mobile-bar { display: none; }

.error-page { min-height: 100vh; display: grid; place-items: center; padding: 30px; background: var(--bg-deep); }
.error-page main { width: min(580px, 100%); text-align: center; }
.error-page main img { margin: 0 auto 34px; }
.error-page main > span { display: block; color: var(--green); font-size: .8rem; font-weight: 900; letter-spacing: .2em; }
.error-page h1 { margin: 12px 0; font-size: clamp(2.4rem, 8vw, 5rem); line-height: 1; letter-spacing: -.06em; }
.error-page p { color: var(--muted); margin: 0 auto 28px; max-width: 480px; }

@media (max-width: 980px) {
  :root { --shell: min(100% - 32px, 860px); }
  .main-nav { position: fixed; left: 16px; right: 16px; top: 74px; display: none; padding: 16px; border: 1px solid var(--line-strong); border-radius: 16px; background: rgba(3,8,6,.98); box-shadow: var(--shadow); }
  .main-nav.is-open { display: grid; gap: 0; }
  .main-nav a { padding: 12px 8px; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: 0; }
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .hero { padding-top: 72px; }
  .hero-layout { grid-template-columns: 1fr; min-height: auto; gap: 20px; }
  .hero-copy { text-align: center; }
  .eyebrow, .hero-actions, .hero-notes { justify-content: center; }
  .hero-lead { margin-inline: auto; }
  .hero-visual { min-height: 460px; }
  .radar { width: min(390px, 86vw); }
  .ticker { justify-content: flex-start; gap: 24px; }
  .split-heading, .guide-layout, .faq-layout { grid-template-columns: 1fr; gap: 44px; }
  .guide-sticky, .faq-intro { position: static; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .article-toc { position: static; }
  .toc-box { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; }
  .toc-box small { grid-column: 1 / -1; }
  .final-cta-inner { align-items: flex-start; flex-direction: column; }
  .final-actions { align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-note { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 26px); --radius: 18px; }
  html { scroll-padding-top: 74px; }
  body { padding-bottom: 62px; }
  .header-inner { min-height: 68px; }
  .brand img { width: 152px; }
  .main-nav { top: 66px; left: 12px; right: 12px; }
  .hero { padding-top: 56px; }
  .hero h1 { font-size: clamp(2.75rem, 14.3vw, 4.4rem); }
  .hero-lead { font-size: .98rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-notes { gap: 11px 15px; font-size: .65rem; }
  .hero-visual { min-height: 390px; }
  .signal-card { min-width: 104px; padding: 9px 11px; }
  .signal-a { right: -2px; }.signal-b { left: -2px; }
  .radar-core { width: 96px; height: 96px; border-radius: 24px; }
  .radar-core span { font-size: 2.9rem; top: 19px; }.radar-core small { bottom: 16px; }
  .ticker { min-height: 60px; font-size: .61rem; }
  .section, .article-wrap { padding: 82px 0; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .article-header h2, .faq-intro h2, .final-cta h2 { font-size: clamp(2.1rem, 10.2vw, 3.15rem); }
  .feature-grid, .category-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 245px; }
  .feature-card h3 { margin-top: 54px; }
  .category-card { min-height: 280px; }
  .guide-layout { gap: 30px; }
  .steps-list li { grid-template-columns: 50px 1fr; }
  .article-header { margin-bottom: 44px; }
  .toc-box { grid-template-columns: 1fr; }
  .article-section { padding-bottom: 42px; margin-bottom: 42px; }
  .article-section p { font-size: .98rem; }
  .faq-layout { gap: 30px; }
  .final-cta { padding: 62px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 38px; }
  .footer-note { grid-column: auto; }
  .mobile-bar { position: fixed; z-index: 110; bottom: 0; left: 0; right: 0; display: grid; grid-template-columns: 1fr 1fr; background: #030806; border-top: 1px solid var(--line-strong); padding: 8px; gap: 8px; }
  .mobile-bar a { display: grid; place-items: center; min-height: 45px; border-radius: 9px; font-size: .78rem; font-weight: 900; letter-spacing: .08em; }
  .mobile-bar a:first-child { border: 1px solid var(--line-strong); }
  .mobile-bar a:last-child { background: var(--green); color: #06100d; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
