:root {
  --ink: #17133b;
  --ink-soft: #484273;
  --paper: #fffdf7;
  --paper-2: #f6f3ff;
  --night: #17113e;
  --night-2: #241457;
  --aqua: #18dfd3;
  --sky: #63c8ff;
  --lime: #d6ff4b;
  --coral: #ff6b78;
  --orange: #ffad3d;
  --pink: #ff4ec7;
  --violet: #7657ff;
  --border: rgba(23, 19, 59, .14);
  --shadow: 0 24px 70px rgba(31, 23, 88, .14);
  --radius: 28px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Sora, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
button, input { font: inherit; }
::selection { background: var(--lime); color: var(--ink); }
:focus-visible { outline: 4px solid var(--aqua); outline-offset: 4px; border-radius: 8px; }
.skip-link { position: fixed; z-index: 9999; left: 16px; top: -80px; background: var(--lime); color: var(--ink); padding: 12px 18px; border-radius: 999px; font-weight: 900; transition: top .2s ease; }
.skip-link:focus { top: 16px; }
.container { width: min(calc(100% - 32px), var(--max)); margin-inline: auto; }
.section { padding: 88px 0; position: relative; }
.section-compact { padding: 58px 0; }
.eyebrow { display: inline-flex; gap: 9px; align-items: center; padding: 9px 13px; border: 1px solid rgba(23,19,59,.13); border-radius: 999px; background: rgba(255,255,255,.74); box-shadow: 0 8px 22px rgba(31,23,88,.08); font-size: .74rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: linear-gradient(135deg,var(--aqua),var(--pink)); box-shadow: 0 0 0 5px rgba(24,223,211,.14); }
.kicker { color: var(--violet); font-weight: 900; text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; }
h1,h2,h3,h4 { font-family: Orbitron, Sora, ui-sans-serif, system-ui, sans-serif; line-height: 1.06; letter-spacing: -.045em; margin: 0; }
h1 { font-size: clamp(2.75rem, 8vw, 6.6rem); }
h2 { font-size: clamp(2rem, 5vw, 4rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.85rem); }
p { margin: 0 0 1.15rem; }
.lede { font-size: clamp(1.05rem, 2vw, 1.32rem); color: var(--ink-soft); line-height: 1.78; }
.muted { color: var(--ink-soft); }
.small { font-size: .9rem; }
.text-link { color: #4c35d9; font-weight: 800; }
.text-link:hover { color: #24167f; }
.brand-gradient { background: linear-gradient(90deg,#2f1e93 0%,#7657ff 34%,#ff4ec7 66%,#ff7a3d 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,253,247,.88); border-bottom: 1px solid var(--border); backdrop-filter: blur(18px); }
.nav-shell { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: Orbitron, Sora, sans-serif; font-weight: 950; letter-spacing: -.04em; font-size: 1.15rem; }
.brand-mark { width: 43px; aspect-ratio: 1; border-radius: 16px; padding: 3px; background: conic-gradient(from 30deg,var(--aqua),var(--lime),var(--orange),var(--pink),var(--violet),var(--aqua)); box-shadow: 0 9px 28px rgba(118,87,255,.28); }
.brand-mark > span { height: 100%; display: grid; place-items: center; border-radius: 13px; background: var(--night); color: white; font-weight: 950; }
.desktop-nav { display: flex; align-items: center; gap: 2px; }
.desktop-nav a { text-decoration: none; font-size: .82rem; font-weight: 850; padding: 10px 11px; border-radius: 999px; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"] { background: #ece8ff; color: #3c27b8; }
.nav-cta { display: inline-flex; text-decoration: none; padding: 11px 17px; border-radius: 999px; background: var(--night); color: white; font-size: .8rem; font-weight: 900; box-shadow: 0 9px 25px rgba(23,17,62,.2); }
.nav-cta:hover { transform: translateY(-2px); background: #2e1e75; }
.menu-button { display: none; width: 48px; height: 44px; border: 1px solid var(--border); border-radius: 14px; background: white; color: var(--ink); cursor: pointer; }
.mobile-menu { display: none; border-top: 1px solid var(--border); padding: 14px 16px 20px; background: rgba(255,253,247,.98); }
.mobile-menu[data-open="true"] { display: grid; gap: 7px; }
.mobile-menu a { padding: 12px 14px; border-radius: 14px; text-decoration: none; font-weight: 800; }
.mobile-menu a:hover { background: #ece8ff; }

.hero { overflow: hidden; padding: 74px 0 86px; background: radial-gradient(circle at 5% 2%,rgba(24,223,211,.35),transparent 30%),radial-gradient(circle at 96% 15%,rgba(255,78,199,.28),transparent 31%),linear-gradient(135deg,#fffdf7 0%,#f1edff 52%,#fff0db 100%); border-bottom: 1px solid var(--border); }
.hero::before { content: ""; position: absolute; inset: 90px -10% auto; height: 1px; background: linear-gradient(90deg,transparent,var(--aqua),var(--pink),transparent); opacity: .55; }
.hero-grid { display: grid; grid-template-columns: 1.07fr .93fr; gap: 52px; align-items: center; }
.hero-copy h1 { margin-top: 22px; max-width: 12ch; }
.hero-copy .lede { max-width: 680px; margin-top: 24px; }
.button-row { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 13px 20px; border-radius: 999px; text-decoration: none; font-weight: 900; border: 1px solid transparent; transition: .2s ease; }
.btn:hover { transform: translateY(-3px); }
.btn-primary { background: var(--night); color: white; box-shadow: 0 16px 36px rgba(23,17,62,.22); }
.btn-primary:hover { background: #36238b; }
.btn-bright { background: var(--lime); color: var(--ink); border-color: rgba(23,19,59,.16); box-shadow: 0 16px 34px rgba(166,209,20,.2); }
.btn-ghost { background: rgba(255,255,255,.75); color: var(--ink); border-color: var(--border); }
.hero-art { position: relative; }
.hero-art::before { content: ""; position: absolute; inset: -18px; border: 1px solid rgba(118,87,255,.22); border-radius: 42px; transform: rotate(3deg); }
.hero-art img { position: relative; display: block; border-radius: 34px; box-shadow: 0 32px 90px rgba(23,17,62,.26); border: 7px solid rgba(255,255,255,.82); }
.hero-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 30px; }
.stat { padding: 16px; border: 1px solid var(--border); border-radius: 20px; background: rgba(255,255,255,.68); }
.stat strong { display: block; font-family: Orbitron, sans-serif; font-size: 1.25rem; }
.stat span { font-size: .77rem; color: var(--ink-soft); font-weight: 750; }

.band { background: var(--night); color: white; overflow: hidden; border-block: 1px solid rgba(255,255,255,.13); }
.band-track { display: flex; width: max-content; gap: 28px; padding: 17px 0; font-family: Orbitron, sans-serif; font-size: clamp(1rem,2.5vw,1.45rem); font-weight: 900; letter-spacing: -.03em; text-transform: uppercase; animation: marquee 34s linear infinite; }
.band-track span:nth-child(3n+1){color:var(--aqua)} .band-track span:nth-child(3n+2){color:var(--lime)} .band-track span:nth-child(3n){color:#ff9fe2}
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}.band-track{animation:none}.reveal{transition:none!important}.card:hover,.btn:hover{transform:none!important}}

.section-head { display: grid; grid-template-columns: 1fr .8fr; gap: 28px; align-items: end; margin-bottom: 38px; }
.section-head p { margin: 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; }
.card { position: relative; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(255,255,255,.86); padding: 25px; box-shadow: 0 14px 42px rgba(31,23,88,.09); transition: transform .22s ease,box-shadow .22s ease,border-color .22s ease; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(118,87,255,.28); }
.card h3 { margin: 12px 0 12px; }
.card p:last-child { margin-bottom: 0; }
.card-accent { min-height: 260px; color: white; border-color: rgba(255,255,255,.25); background: radial-gradient(circle at 80% 0%,rgba(255,255,255,.22),transparent 34%),linear-gradient(140deg,#241457,#5a37d6 55%,#ff4ec7); }
.card-accent:nth-child(2n) { background: radial-gradient(circle at 80% 0%,rgba(255,255,255,.22),transparent 34%),linear-gradient(140deg,#063d51,#008e9c 55%,#18dfd3); }
.card-accent:nth-child(3n) { background: radial-gradient(circle at 80% 0%,rgba(255,255,255,.22),transparent 34%),linear-gradient(140deg,#67230a,#e56128 55%,#ffad3d); }
.card-link { display: inline-flex; margin-top: 16px; color: currentColor; font-weight: 900; }
.card-icon { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 17px; background: linear-gradient(135deg,var(--lime),var(--aqua)); color: var(--ink); font-size: 1.35rem; box-shadow: 0 12px 26px rgba(24,223,211,.18); }
.card-accent .card-icon { background: rgba(255,255,255,.18); color: white; border: 1px solid rgba(255,255,255,.2); }
.pill-list { display: flex; flex-wrap: wrap; gap: 9px; padding: 0; margin: 18px 0 0; list-style: none; }
.pill-list li, .pill { display: inline-flex; align-items: center; padding: 8px 11px; border-radius: 999px; background: #f0ecff; color: #4d3aaf; font-size: .76rem; font-weight: 850; }
.card-accent .pill-list li { background: rgba(255,255,255,.15); color: white; }
.step-number { width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center; font-family: Orbitron,sans-serif; font-weight: 950; background: var(--night); color: white; }
.check-list { padding: 0; margin: 20px 0 0; list-style: none; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 31px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; background: var(--lime); color: var(--ink); font-weight: 950; font-size: .72rem; }
.note { border-left: 5px solid var(--aqua); border-radius: 0 20px 20px 0; background: #eafffc; padding: 18px 20px; color: #174d52; }
.warning { border-left-color: var(--orange); background: #fff3de; color: #6c4210; }

.page-hero { padding: 72px 0 62px; color: white; background: radial-gradient(circle at 10% 5%,rgba(24,223,211,.36),transparent 31%),radial-gradient(circle at 90% 0%,rgba(255,78,199,.33),transparent 31%),linear-gradient(140deg,var(--night),#382187 58%,#7429a6); }
.page-hero .eyebrow { background: rgba(255,255,255,.1); color: white; border-color: rgba(255,255,255,.19); }
.page-hero .lede { color: rgba(255,255,255,.82); max-width: 760px; margin-top: 22px; }
.page-hero h1 { max-width: 13ch; margin-top: 20px; font-size: clamp(2.7rem,7vw,5.6rem); }
.breadcrumbs { margin-bottom: 20px; font-size: .82rem; color: rgba(255,255,255,.7); }
.breadcrumbs a { color: white; font-weight: 800; }

.article-list { display: grid; gap: 20px; }
.article-card { display: grid; grid-template-columns: 230px 1fr; gap: 24px; align-items: center; border: 1px solid var(--border); border-radius: 26px; overflow: hidden; background: white; box-shadow: 0 13px 36px rgba(31,23,88,.07); }
.article-card img { width: 100%; height: 100%; min-height: 220px; object-fit: cover; }
.article-card-copy { padding: 24px 24px 24px 0; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; color: var(--ink-soft); font-size: .78rem; font-weight: 750; }
.article-card h2,.article-card h3 { margin: 11px 0; }
.article-card h2 a,.article-card h3 a { text-decoration: none; }
.article-card h2 a:hover,.article-card h3 a:hover { color: var(--violet); }

.article-hero { padding: 58px 0 48px; background: linear-gradient(135deg,#fffdf7,#f0ecff); border-bottom: 1px solid var(--border); }
.article-hero-grid { display: grid; grid-template-columns: 1fr .72fr; gap: 44px; align-items: center; }
.article-hero h1 { font-size: clamp(2.45rem,6vw,5rem); margin: 18px 0 20px; max-width: 13ch; }
.article-hero img { border-radius: 30px; box-shadow: var(--shadow); border: 5px solid white; }
.article-shell { display: grid; grid-template-columns: minmax(0,1fr) 290px; gap: 54px; align-items: start; }
.article-body { font-family: Georgia,"Times New Roman",serif; font-size: 1.08rem; color: #27234b; }
.article-body > p:first-child { font-size: 1.28rem; line-height: 1.75; color: #39325e; }
.article-body h2 { font-family: Orbitron,Sora,sans-serif; font-size: clamp(1.7rem,3.5vw,2.55rem); margin: 2.7rem 0 1.1rem; scroll-margin-top: 120px; }
.article-body h3 { font-family: Orbitron,Sora,sans-serif; font-size: 1.25rem; margin: 2rem 0 .8rem; }
.article-body p { margin-bottom: 1.35rem; }
.article-body ul,.article-body ol { margin: 0 0 1.45rem; padding-left: 1.35rem; }
.article-body li { margin-bottom: .75rem; }
.article-body a { color: #4a32ce; font-weight: 750; }
.article-body blockquote { margin: 2rem 0; padding: 21px 24px; border-left: 5px solid var(--pink); border-radius: 0 20px 20px 0; background: #fff0fa; color: #5f2550; font-style: italic; }
.source-note { padding: 17px 19px; border-radius: 19px; background: #eefaf8; border: 1px solid #c7f1eb; font-family: Sora,ui-sans-serif,sans-serif; font-size: .93rem; }
.internal-paths { margin: 2.2rem 0; padding: 22px; border-radius: 24px; background: var(--night); color: white; font-family: Sora,ui-sans-serif,sans-serif; }
.internal-paths h3 { margin-top: 0; color: white; }
.internal-paths a { color: var(--lime); }
.article-sidebar { position: sticky; top: 110px; display: grid; gap: 18px; }
.sidebar-card { border: 1px solid var(--border); border-radius: 24px; padding: 21px; background: white; box-shadow: 0 12px 32px rgba(31,23,88,.08); }
.sidebar-card h2,.sidebar-card h3 { font-size: 1.18rem; margin-bottom: 13px; }
.sidebar-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.sidebar-card a { font-weight: 750; color: #4a32ce; }
.faq { display: grid; gap: 13px; }
details { border: 1px solid var(--border); border-radius: 18px; background: white; padding: 0 18px; }
summary { cursor: pointer; list-style: none; font-weight: 900; padding: 17px 0; }
summary::-webkit-details-marker { display:none; }
details p { color: var(--ink-soft); padding-bottom: 16px; margin: 0; }

.calculator { background: linear-gradient(145deg,#1c134b,#39207e); color: white; border-radius: 34px; padding: 30px; box-shadow: var(--shadow); }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 34px; }
.calc-field { display: grid; gap: 8px; }
.calc-field label { font-weight: 900; }
.calc-field output { color: var(--lime); font-family: Orbitron,sans-serif; font-weight: 900; }
.calc-field input[type="range"] { width: 100%; accent-color: var(--aqua); }
.calc-results { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 26px; }
.calc-result { padding: 18px; border: 1px solid rgba(255,255,255,.18); border-radius: 20px; background: rgba(255,255,255,.09); }
.calc-result strong { display:block; font-family: Orbitron,sans-serif; font-size: 1.45rem; color: white; }
.calc-result span { color: rgba(255,255,255,.7); font-size: .8rem; }

.cta-panel { display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: center; padding: 34px; border-radius: 34px; color: white; background: radial-gradient(circle at 85% 0%,rgba(214,255,75,.22),transparent 32%),linear-gradient(130deg,#1c134b,#4e2bc2 62%,#b02a8a); box-shadow: var(--shadow); }
.cta-panel h2 { font-size: clamp(2rem,4vw,3.35rem); }
.cta-panel p { color: rgba(255,255,255,.77); max-width: 720px; margin: 13px 0 0; }

.site-footer { padding: 64px 0 28px; background: var(--night); color: white; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 34px; }
.footer-grid h2,.footer-grid h3 { font-size: 1rem; margin-bottom: 15px; color: var(--lime); }
.footer-grid ul { padding: 0; margin: 0; list-style: none; display: grid; gap: 9px; }
.footer-grid a { color: rgba(255,255,255,.79); }
.footer-grid a:hover { color: white; }
.footer-about { max-width: 410px; color: rgba(255,255,255,.7); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; margin-top: 46px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.62); font-size: .82rem; }
.footer-bottom a { color: white; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease,transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.sr-only { position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important; }

@media (max-width: 1020px) {
  .desktop-nav,.nav-cta { display:none; }
  .menu-button { display:grid; place-items:center; }
  .hero-grid,.article-hero-grid,.article-shell { grid-template-columns: 1fr; }
  .hero-art { max-width: 720px; }
  .article-sidebar { position: static; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .grid-4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .section { padding: 64px 0; }
  .section-head,.cta-panel { grid-template-columns: 1fr; align-items:start; }
  .grid-2,.grid-3,.grid-4,.calc-grid,.calc-results { grid-template-columns: 1fr; }
  .hero { padding-top: 50px; }
  .hero-stats { grid-template-columns: 1fr; }
  .article-card { grid-template-columns: 1fr; }
  .article-card img { height: 240px; }
  .article-card-copy { padding: 0 20px 24px; }
  .article-sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .brand { font-size: 1rem; }
  .brand-mark { width: 39px; }
}