:root{--void:#050714;--panel:#0d1225;--panel2:#111a32;--edge:#2a3855;--ink:#f1f8ff;--muted:#a9bed4;--cyan:#06e5f4;--pink:#fd33c7;--purple:#ae81ff;--green:#82ffbd;--gold:#ffe28b;--radius:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(ellipse 75% 60% at 78% 0%,#201142 0%,transparent 66%),var(--void);color:var(--ink);font:16px/1.6 system-ui,-apple-system,Segoe UI,Arial,sans-serif}a{color:var(--cyan)}button,textarea,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,select:focus-visible,textarea:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}::selection{background:var(--pink);color:#06101f}.mono,.kicker,.tiny,.eyebrow,.nav,.pill,.stats,.section-tag,.mission-meta,.label,.tab-nav,.academy-foot,.timeline-year,.crumbs{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.skip{position:absolute;top:-100px;left:12px;padding:8px 12px;background:var(--cyan);color:#001}.skip:focus{top:8px;z-index:100}
.site-nav{min-height:72px;background:#080c1ce9;border-bottom:1px solid #31516c;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:10px max(24px,calc((100% - 1200px)/2));position:sticky;top:0;z-index:50;backdrop-filter:blur(18px)}.identity{display:flex;align-items:center;gap:11px;text-decoration:none;color:white;font-weight:900;letter-spacing:-.04em;font-size:19px;line-height:1.1}.identity img{width:43px;height:43px;border:1px solid var(--cyan);border-radius:50%;object-fit:cover}.identity strong span{color:var(--pink)}.identity small{display:block;font:9px ui-monospace,monospace;letter-spacing:.16em;color:var(--cyan);margin-top:4px}.nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.nav a{color:#b9cce0;text-decoration:none;padding:9px 12px;border:1px solid transparent;border-radius:8px;font-size:11px;letter-spacing:.06em}.nav a:hover,.nav a[aria-current=page]{color:var(--cyan);background:#153047;border-color:#376783}.nav a.highlight{color:var(--pink);border-color:#772d77}.academy-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:25px max(24px,calc((100% - 1200px)/2));border-top:1px solid #283651;color:#90a6c5;font-size:10px;letter-spacing:.1em}
.container{width:min(1200px,calc(100% - 44px));margin:auto}.hero{position:relative;overflow:hidden;min-height:355px;padding:58px 5%;border:1px solid #314960;border-radius:22px;margin:34px 0;background:linear-gradient(90deg,#080c1ff2 0%,#090d20e6 52%,#090b20a3 100%),url('../../assets/planet.webp') center right/cover;box-shadow:0 28px 90px #0008}.hero:after{content:'';position:absolute;left:0;bottom:0;right:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--pink),transparent)}.kicker,.section-tag{color:var(--cyan);font-size:11px;letter-spacing:.18em;font-weight:800}.hero h1,.module-hero h1{font-size:clamp(42px,6.4vw,83px);line-height:1.02;letter-spacing:-.067em;margin:15px 0 17px;max-width:780px}.hero h1 em,.module-hero h1 em,.headline em{font-style:normal;color:var(--pink)}.hero p{font-size:18px;max-width:600px;color:#d7e4ef}.hero-actions,.action-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--cyan);border-radius:9px;padding:11px 17px;background:var(--cyan);color:#061322;font:bold 13px ui-monospace,monospace;letter-spacing:.03em;text-decoration:none;min-height:44px}.btn:hover{filter:brightness(1.08)}.btn.secondary{color:var(--cyan);background:#0a1829}.btn.pink{color:#17001b;background:var(--pink);border-color:var(--pink)}.btn.ghost{background:transparent;color:#cde5f1;border-color:var(--edge)}.btn.small{font-size:11px;padding:8px 12px;min-height:36px}.stats{display:flex;gap:10px;flex-wrap:wrap;color:#a9cadc;font-size:11px}.stats span{background:#0e182ae8;border:1px solid #2d4b63;border-radius:6px;padding:7px 10px}.stats strong{color:var(--green)}.headline{font-size:clamp(30px,4vw,43px);letter-spacing:-.05em;line-height:1.15;margin:12px 0}.section-intro{color:var(--muted);max-width:820px}.modules{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:23px 0 50px}.module{display:flex;flex-direction:column;min-height:235px;padding:23px;background:linear-gradient(160deg,#14203a,#0c1125);border:1px solid #293957;border-radius:16px;text-decoration:none;color:white;position:relative;overflow:hidden}.module.available{border-color:#1691a3;background:linear-gradient(140deg,#112f43,#141126 80%)}.module.available:before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 100% 0%,#fc2cb529,transparent 60%);pointer-events:none}.module .index{font:11px ui-monospace,monospace;color:var(--cyan)}.module h3{font-size:21px;line-height:1.22;letter-spacing:-.035em;margin:29px 0 9px}.module p{color:var(--muted);font-size:13px;margin:0 0 20px}.module .status{margin-top:auto;font:11px ui-monospace,monospace;letter-spacing:.08em;color:#95a9c0}.module.available .status{color:var(--green)}.module.available:hover{transform:translateY(-3px);border-color:var(--cyan)}.module.locked{cursor:default}.module.locked h3{color:#d3def0}.feature-banner{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:30px;align-items:center;border:1px solid #513a70;border-radius:17px;background:linear-gradient(120deg,#231034,#0d1c32);padding:24px;margin-bottom:58px}.feature-banner h3{margin:3px 0;font-size:25px}.feature-banner p{color:var(--muted)}.feature-banner img{width:100%;max-height:165px;object-fit:contain}
.crumbs{font-size:11px;color:#8db2c7;letter-spacing:.06em;margin:28px 0 0}.crumbs a{text-decoration:none}.module-hero{display:grid;grid-template-columns:minmax(0,1fr) 260px;align-items:center;gap:32px;padding:30px 0 35px}.module-hero h1{margin:12px 0;font-size:clamp(43px,6vw,78px)}.module-hero p{color:#cad9e9;max-width:700px;font-size:17px}.module-hero img{width:100%;filter:drop-shadow(0 0 20px #00effa44)}.tab-nav{display:flex;gap:4px;overflow-x:auto;border-bottom:1px solid #334c67;position:sticky;top:72px;background:#080b1df5;z-index:35;padding:8px 0}.tab-nav button{border:1px solid transparent;background:transparent;color:#b6c5dc;padding:11px 16px;border-radius:9px 9px 0 0;white-space:nowrap;font-weight:800;font-size:12px}.tab-nav button[aria-selected=true]{color:var(--cyan);border-color:#3a6074;border-bottom-color:var(--cyan);background:#152338}.tab-panel{padding:31px 0 80px}.tab-panel[hidden],.lab-panel[hidden]{display:none}.panel-title{font-size:clamp(27px,4vw,44px);letter-spacing:-.05em;line-height:1.15;margin:10px 0}.panel-sub{color:var(--muted);max-width:850px}.tiles-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:23px 0}.tile{border:1px solid var(--edge);background:#10182d;border-radius:13px;padding:20px}.tile h3{margin:3px 0;font-size:19px}.tile p,.tile li{color:var(--muted);font-size:14px}.tile .number{color:var(--cyan);font:11px ui-monospace,monospace}.callout{padding:15px 18px;border-left:3px solid var(--pink);background:#1d1631;border-radius:0 9px 9px 0;color:#e1cfed;margin:22px 0}.callout.cyan{background:#0c2737;border-color:var(--cyan)}.term{font-family:ui-monospace,monospace;background:#0a1428;padding:2px 6px;border-radius:4px;color:var(--green)}
.timeline{display:grid;gap:13px;border-left:1px dashed #36748a;margin:25px 0 25px 16px;padding-left:28px}.timeline-item{position:relative;border:1px solid #354866;border-radius:13px;padding:18px 22px;background:#10162b}.timeline-item:before{content:'';width:11px;height:11px;background:var(--cyan);border:3px solid #0e2237;position:absolute;left:-37px;top:26px;border-radius:50%;box-shadow:0 0 18px #06e5f488}.timeline-item h3{font-size:19px;margin:5px 0}.timeline-item p{color:#bdcde0;margin:8px 0}.timeline-year{font-size:11px;color:var(--pink)}.timeline-item summary{cursor:pointer;color:var(--cyan);font:12px ui-monospace,monospace}.mini-demo{margin-top:13px;padding:14px;border-radius:10px;border:1px solid #304665;background:#0c1326}.mini-demo label{display:block;font-size:12px;color:#d1e2f1}
.lab-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:20px;margin:20px 0}.lab-tabs{display:flex;flex-direction:column;gap:6px;position:sticky;top:140px;align-self:start}.lab-tabs button{border:1px solid #30425c;background:#0d1629;color:#cad7e7;text-align:left;border-radius:9px;padding:12px 13px;font:12px ui-monospace,monospace;min-height:42px}.lab-tabs button[aria-selected=true]{border-color:var(--cyan);background:#123147;color:var(--cyan)}.lab-panel{background:linear-gradient(145deg,#101a30,#0b1226);border:1px solid #354b68;border-radius:14px;padding:25px;min-width:0}.lab-panel h3{font-size:27px;line-height:1.15;letter-spacing:-.045em;margin:4px 0 12px}.lab-panel p{color:#c6d5e5}.stage{color:var(--cyan);font:11px ui-monospace,monospace;letter-spacing:.1em}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:16px 0}.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field label,.label{color:#c8d9ed;font-weight:700;font-size:12px}.field input,.field select,.field textarea,.field output,.output{background:#070e20;color:#f1fcff;border:1px solid #45617b;border-radius:8px;padding:11px 12px;max-width:100%;width:100%;font-size:15px;min-height:42px}.field textarea{min-height:83px;resize:vertical}.output{white-space:pre-wrap;overflow-wrap:anywhere;min-height:55px}.output.tall{min-height:100px;max-height:260px;overflow-y:auto}.field input[type=range]{padding:10px 0;border:0;min-height:20px;accent-color:var(--cyan)}.result{color:var(--green);background:#0b2429;border:1px solid #245d54;border-radius:9px;padding:12px;margin:14px 0;overflow-wrap:anywhere}.result.error{background:#371626;border-color:#944d73;color:#ffb8d5}.result:empty{display:none}.subtle{color:var(--muted);font-size:13px}.tiny{font-size:11px;color:#a4b5c8}.mapping{display:flex;flex-wrap:wrap;gap:3px;margin:14px 0}.mapping span{display:grid;place-items:center;min-width:27px;min-height:34px;padding:4px;border:1px solid #30495d;background:#121d31;font:12px ui-monospace,monospace;border-radius:4px}.mapping span.active{background:#145161;color:var(--cyan);border-color:var(--cyan)}.wheel{position:relative;width:min(260px,95%);aspect-ratio:1;border:1px solid #4ca0b1;border-radius:50%;background:radial-gradient(circle,#141b32 25%,#0b2030 27%,#11192a 50%,#08111f 52%,#0b1d2e 100%);box-shadow:0 0 35px #0fe6fa22;overflow:hidden;margin:10px auto}.wheel .letter{position:absolute;top:50%;left:50%;font:bold 12px ui-monospace,monospace;color:#c7eaf5;transform:translate(-50%,-50%) rotate(var(--angle)) translateY(-107px) rotate(calc(-1 * var(--angle)))}.wheel .letter.inner{color:var(--pink);transform:translate(-50%,-50%) rotate(var(--angle)) translateY(-77px) rotate(calc(-1 * var(--angle)))}.wheel .hub{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font:bold 12px ui-monospace,monospace;color:var(--green);text-align:center}.cipher-split{display:grid;grid-template-columns:1fr 1fr;gap:12px}.symbol-grid{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:6px;margin:14px 0}.symbol-btn{display:grid;justify-items:center;align-content:center;gap:4px;background:#121e34;border:1px solid #3c526a;border-radius:7px;color:#e9f5ff;min-height:61px;padding:4px}.symbol-btn:hover{border-color:var(--cyan)}.symbol-btn span{font:10px ui-monospace,monospace}.pigpen-glyph{width:29px;height:29px;stroke:var(--cyan);stroke-width:2.6;fill:none;stroke-linejoin:round}.symbol-output{display:flex;flex-wrap:wrap;align-items:center;gap:6px;min-height:53px;padding:10px;background:#070e20;border:1px solid #354d68;border-radius:9px}.symbol-output svg{width:32px;height:32px}.symbol-output span{color:#bacadd}.vigenere-table{overflow:auto;max-height:245px;border:1px solid #34506b;border-radius:8px}.vigenere-table table{border-collapse:collapse;font:10px ui-monospace,monospace}.vigenere-table th,.vigenere-table td{width:23px;min-width:23px;height:23px;text-align:center;border:1px solid #263d56}.vigenere-table th{background:#164251;color:#d4ffff;position:sticky;top:0}.vigenere-table td.active{background:#60264f;color:white}.morse-chart{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin:12px 0}.morse-chart button{border:1px solid #385570;background:#0f1b2e;color:#e9f2fc;border-radius:6px;font:11px ui-monospace,monospace;padding:5px}.morse-chart small{display:block;color:var(--cyan)}.bits{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}.bits span{display:grid;place-items:center;background:#0b2030;border:1px solid #34566a;border-radius:7px;width:35px;height:42px;font:bold 20px ui-monospace,monospace}.bits span.one{border-color:var(--cyan);background:#13415a;color:var(--cyan)}.keydata{font:12px ui-monospace,monospace;overflow-wrap:anywhere;color:#a9edff}
.mission-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:18px;margin:20px 0}.mission-list{display:grid;gap:7px;align-content:start}.mission-list button{min-height:55px;background:#0f192c;color:#d4e3ed;border:1px solid #344c64;border-radius:10px;text-align:left;padding:10px;font:12px ui-monospace,monospace}.mission-list button[aria-current=true]{border-color:var(--cyan);background:#103147}.mission-list .check{color:var(--green);float:right}.mission-card{border:1px solid #3d5870;background:linear-gradient(140deg,#121c33,#11112b);padding:27px;border-radius:15px}.mission-card h3{font-size:28px;margin:8px 0}.mission-card .story{color:#cadced;font-size:16px}.mission-meta{font-size:11px;color:var(--pink);letter-spacing:.08em}.mission-puzzle{font:bold clamp(15px,2.7vw,22px)/1.55 ui-monospace,monospace;color:#81f4ff;background:#081825;padding:17px;min-height:58px;border-radius:9px;white-space:pre-wrap;overflow-wrap:anywhere;margin:15px 0}.hint{color:var(--gold);padding:10px 12px;background:#2b241d;border-left:2px solid var(--gold);margin:12px 0}.achievements{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0}.badge{display:flex;gap:9px;align-items:center;padding:9px 11px;background:#132b33;border:1px solid #37636b;color:#b7ecda;border-radius:8px;font:12px ui-monospace,monospace}.badge.locked{background:#121928;border-color:#344054;color:#768da1}.progress-track{height:10px;background:#1d2b42;border-radius:20px;overflow:hidden;max-width:500px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--cyan),var(--pink));width:0;transition:width .35s}.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:1000px){.modules{grid-template-columns:repeat(2,minmax(0,1fr))}.module-hero{grid-template-columns:1fr 180px}.symbol-grid{grid-template-columns:repeat(7,minmax(0,1fr))}.morse-chart{grid-template-columns:repeat(5,1fr)}}
@media(max-width:750px){.site-nav{align-items:flex-start;flex-direction:column;gap:5px;padding:10px 15px}.nav{width:100%;gap:2px}.nav a{font-size:10px;padding:8px 7px}.container{width:calc(100% - 28px)}.hero{padding:32px 20px;min-height:340px}.hero p{font-size:16px}.feature-banner{grid-template-columns:1fr}.feature-banner img{display:none}.module-hero{grid-template-columns:1fr}.module-hero img{display:none}.tab-nav{top:108px}.tiles-3{grid-template-columns:1fr}.lab-layout,.mission-layout{grid-template-columns:1fr}.lab-tabs{position:static;display:flex;flex-direction:row;overflow-x:auto}.lab-tabs button{white-space:nowrap}.input-grid,.cipher-split{grid-template-columns:1fr}.symbol-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.morse-chart{grid-template-columns:repeat(4,1fr)}.lab-panel,.mission-card{padding:17px}.academy-foot{padding:20px}}
@media(max-width:420px){.modules{grid-template-columns:1fr}.nav{overflow-x:auto;flex-wrap:nowrap}.nav a{white-space:nowrap}.tab-nav{top:108px}.symbol-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.hero h1{font-size:43px}.mission-card{padding:14px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}