:root{--ink:#171820;--muted:#626779;--paper:#fbf7ec;--panel:#fffdf5;--line:#171820;--keyblue:#43b6ff;--keygreen:#6fd36b;--keyyellow:#ffd45c;--keyred:#ff6b6b;--keyviolet:#8f7cff;--plastic:#f0f2f7;--shadow:7px 7px 0 #171820}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:linear-gradient(90deg,rgba(23,24,32,.06) 1px,transparent 0),linear-gradient(rgba(23,24,32,.06) 1px,transparent 0),linear-gradient(180deg,#f7fbff,#fff9df 52%,#f2f0ff);background-size:36px 36px,36px 36px,auto;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}a{color:inherit;text-decoration:none}button{font:inherit}.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;gap:20px;padding:14px clamp(16px,4vw,44px);background:hsla(44,65%,95%,.94);border-bottom:3px solid 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button{min-width:82px;text-transform:capitalize}.planner-output{position:relative;overflow:hidden;padding:24px;background:linear-gradient(180deg,#fffdf5,#e8f3ff)}.key-stack{position:absolute;top:18px;right:24px;width:118px;height:86px;border:5px solid var(--line);border-radius:8px;background:linear-gradient(var(--line),var(--line)) 16px 18px /22px 16px no-repeat,linear-gradient(var(--line),var(--line)) 48px 18px /22px 16px no-repeat,linear-gradient(var(--line),var(--line)) 80px 18px /22px 16px no-repeat,linear-gradient(var(--line),var(--line)) 16px 50px /86px 14px no-repeat,var(--plastic);opacity:.16;transform:rotate(-7deg)}.planner-output ol,.steps{margin:16px 0 0;padding-left:24px;font-weight:750;line-height:1.55}.section{padding:42px 0}.section-head{margin-bottom:18px}.section-head p{max-width:820px;color:var(--muted);font-weight:700}.content-grid,.guide-grid,.split{display:grid;gap:18px}.content-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.guide-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.split{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr)}.guide-tile,.panel{padding:18px}.guide-tile:nth-child(3n+1),.panel:nth-child(3n+1){background:#fffdf5}.guide-tile:nth-child(3n+2),.panel:nth-child(3n+2){background:#e8f3ff}.guide-tile:nth-child(3n),.panel:nth-child(3n){background:#fff0c5}.guide-tile p,.panel p,.planner-output p,.related p{color:#363b4d;line-height:1.5;font-weight:650}.panel ul{margin:14px 0 0;padding-left:20px;color:#282c3a;font-weight:720;line-height:1.55}.guide-tile{min-height:190px;display:flex;flex-direction:column}.guide-tile span{margin-bottom:12px;color:#3e4c92;font-size:.8rem;font-weight:950;text-transform:uppercase}details{padding:12px 0;border-top:2px solid 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(max-width:680px){.footer,.topbar{align-items:flex-start;flex-direction:column}nav{justify-content:flex-start}h1{font-size:clamp(2.15rem,12vw,3.65rem)}.hero{margin-top:20px}.content-grid,.guide-grid,.hero-stats,.related>div{grid-template-columns:1fr}.button,.segmented button{width:100%}.guide-tile{min-height:150px}}