:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#eefcff;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--content-width:920px;--cyan:#6ee7f9;--teal:#2dd4bf;--purple:#a78bfa;--pink:#f472b6;--amber:#fbbf24;--green:#86efac;--danger:#fb7185;--panel:#071326d1;--panel-strong:#0a1b35eb;--line:#9eebff33;--muted:#afc5d7;background:#020617;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;min-height:100vh;margin:0;overflow-x:hidden}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline-offset:3px;outline:3px solid #6ee7f9d9}img{max-width:100%;display:block}.app{isolation:isolate;background:linear-gradient(#14b8a624,#0000 16rem),linear-gradient(#093f62 0%,#102a64 20%,#171444 42%,#062f37 58%,#041021 78%,#01030b 100%);min-height:100vh}.ocean-backdrop{z-index:-3;pointer-events:none;background:radial-gradient(circle at 20% 0,#6de7f92e,#0000 26rem),linear-gradient(#67e8f929,#0f172a2e 30%,#020617f0);position:fixed;inset:0}.ocean-backdrop:before{content:"";background-image:linear-gradient(#ffffff09 1px,#0000 1px),linear-gradient(90deg,#ffffff07 1px,#0000 1px);background-size:74px 74px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#0000,#000 8% 82%,#0000);mask-image:linear-gradient(#0000,#000 8% 82%,#0000)}.ocean-backdrop:after{content:"";opacity:calc(var(--scroll-progress) * .85);background:linear-gradient(#0000,#01030bfa);position:absolute;inset:0}.course-shell{width:min(var(--content-width), calc(100% - 40px));margin:0 auto;padding-bottom:16vh}.hero-section,.course-section{min-height:92svh;padding:96px 0 72px;position:relative}.hero-section{align-items:center;display:grid;overflow:hidden}.hero-content{z-index:1;max-width:820px;position:relative}.overline,.section-kicker span,.mini-label,.mission__header>span,.info-grid span,.signal-row span{color:var(--cyan);text-transform:uppercase;font-size:.78rem;font-weight:800}.overline{background:#041423b8;border:1px solid #6ee7f95c;border-radius:6px;margin-bottom:14px;padding:5px 9px;display:inline-flex}h1,h2,h3,h4,p{margin-top:0}h1{color:#f8feff;text-shadow:0 0 34px #6ee7f947;margin-bottom:18px;font-size:clamp(3.9rem,12vw,8.8rem);line-height:.88}h2{max-width:880px;margin-bottom:22px;font-size:clamp(2.1rem,6vw,4.9rem);line-height:1}h3{margin-bottom:8px;font-size:clamp(1.45rem,3vw,2rem);line-height:1.12}h4{margin-bottom:14px;font-size:1.08rem}.hero-subtitle{color:#def9ff;max-width:790px;margin-bottom:20px;font-size:clamp(1.25rem,3vw,2rem);line-height:1.22}.hero-promise,.lead{color:#d6eaf3;max-width:760px;font-size:clamp(1.04rem,2vw,1.24rem)}.hero-facts{flex-wrap:wrap;gap:10px;margin:28px 0;display:flex}.hero-facts span{color:#ecfeff;background:#071326c7;border:1px solid #ffffff29;border-radius:6px;padding:7px 10px;font-size:.94rem}.disclaimer{max-width:560px;color:var(--muted);margin-top:18px;font-size:.95rem}.hero-scene{z-index:0;pointer-events:none;position:absolute;inset:0}.iceberg{clip-path:polygon(50% 0,84% 46%,62% 100%,23% 78%,9% 38%);border:1px solid #cbfbff42;width:min(44vw,520px);position:absolute;right:2vw}.iceberg-top{background:linear-gradient(135deg,#effdffe0,#67e8f92e);height:18vh;top:10%}.iceberg-bottom{opacity:.75;background:linear-gradient(#67e8f92e,#6366f114);height:58vh;top:28%}.current-line{background:linear-gradient(90deg,#0000,#6ee7f985,#0000);width:48vw;height:1px;position:absolute;top:64%;right:-4vw;transform:rotate(-10deg)}.section-kicker{flex-wrap:wrap;gap:10px;margin-bottom:18px;display:flex}.section-kicker span{background:#030c1a94;border:1px solid #6ee7f938;border-radius:6px;padding:6px 9px;display:inline-flex}.signal-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:24px 0 30px;display:grid}.signal-row p,.info-grid article,.concept-list p,.caution-box,.image-strip,.feedback-box,.plan-output{border:1px solid var(--line);background:#061122b3;border-radius:8px;box-shadow:0 18px 40px #0003}.signal-row p{color:#d9eef7;margin:0;padding:14px}.signal-row span{margin-bottom:5px;display:block}.section-content{gap:28px;display:grid}.info-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.info-grid article{padding:18px}.info-grid p,.concept-list p,.image-strip p,.caution-box p{color:#d8e8f2;margin-bottom:0}.concept-list{gap:12px;display:grid}.concept-list.two-column{grid-template-columns:repeat(2,minmax(0,1fr))}.concept-list p{margin:0;padding:14px 16px}.caution-box{background:#3926095c;border-color:#fbbf2461;max-width:760px;padding:18px}.caution-box strong{color:#fde68a}.image-strip{grid-template-columns:minmax(180px,280px) minmax(0,1fr);align-items:center;gap:18px;padding:14px;display:grid}.image-strip img{border:1px solid #ffffff1f;border-radius:8px}.mission{background:linear-gradient(90deg,#2dd4bf14,#0000 42%),#040d1cc2;border-top:2px solid #6ee7f97a;border-bottom:1px solid #6ee7f92e;border-radius:8px;gap:20px;padding:24px;display:grid}.mission__header p{max-width:650px;color:var(--muted);margin-bottom:0}.check-grid,.feed-grid,.day-grid,.question-stack,.match-list{gap:12px;display:grid}.check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.check-row{color:#e9f7fb;background:#ffffff0b;border:1px solid #ffffff1f;border-radius:8px;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:10px;min-width:0;padding:12px;display:grid}.check-row.compact{padding:9px 10px}.check-row input{width:18px;height:18px;accent-color:var(--teal);margin-top:3px}.mission-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.mission-counter{color:var(--muted);font-weight:700}.primary-button,.secondary-button,.small-button,.answer-button{color:#02111f;border:1px solid #0000;border-radius:8px;min-height:44px;font-weight:800;transition:transform .14s,border-color .14s,background .14s}.primary-button{background:linear-gradient(135deg, var(--cyan), var(--green));padding:12px 18px;box-shadow:0 14px 30px #2dd4bf38}.secondary-button{background:#dbeafef2;padding:11px 16px}.small-button{background:#e2f3ffeb;padding:8px 10px;font-size:.84rem}.primary-button:hover,.secondary-button:hover,.small-button:hover,.answer-button:hover{transform:translateY(-1px)}.small-button.is-selected,.answer-button.is-selected{border-color:var(--cyan);color:#effbff;background:#102a43}.feedback-box{padding:16px}.feedback-box strong{color:#f8feff;margin-bottom:6px;display:block}.feedback-box p{color:#d9eef7;margin-bottom:0}.feedback-box.success{background:#0d342785;border-color:#86efac66}.feedback-box.warning{background:#4a2f0a8f;border-color:#fbbf2473}.feedback-box.neutral{background:#1415398f;border-color:#a78bfa47}.inline-feedback{margin:10px 0 0;font-weight:700}.inline-feedback.correct{color:var(--green)}.inline-feedback.wrong{color:#fecdd3}.match-row,.question-block,.feed-card,.day-group,.score-panel,.phone-sim,.metric-stack>div,.choice-field,.text-field{background:#ffffff0b;border:1px solid #ffffff21;border-radius:8px}.match-row{grid-template-columns:minmax(0,1.3fr) minmax(180px,.8fr);align-items:center;gap:12px;padding:14px;display:grid}.match-row p{margin-bottom:0}select{color:#effbff;background:#06172d;border:1px solid #6ee7f947;border-radius:8px;width:100%;min-height:44px;padding:0 12px}.simulator-panel{grid-template-columns:minmax(0,1fr) minmax(180px,240px);gap:16px;display:grid}.phone-sim{text-align:center;background:linear-gradient(#ffffff14,#0000),#071328;align-content:center;place-items:center;min-height:220px;padding:24px;display:grid}.phone-sim p{color:#d9eef7;max-width:400px;margin:16px auto 0}.swipe-chip{color:#06111d;background:#e2f3fff0;border-radius:8px;padding:10px 12px;font-weight:900;display:inline-flex}.swipe-chip--low{background:#cbd5e1}.swipe-chip--medium{background:#93c5fd}.swipe-chip--high{background:#f9a8d4}.metric-stack{gap:12px;display:grid}.metric-stack>div{justify-content:space-between;align-items:center;padding:14px;display:flex}.metric-stack span,.score-line span{color:var(--muted)}.metric-stack strong,.score-line strong{color:#f8feff;font-size:1.25rem}.feed-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feed-card{gap:10px;padding:16px;display:grid}.feed-card h4,.feed-card p{margin-bottom:0}.feed-card p{color:#d8e8f2}.button-cluster{flex-wrap:wrap;gap:8px;display:flex}.day-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.day-group{gap:8px;margin:0;padding:12px;display:grid}.day-group legend{color:var(--cyan);padding:0 6px;font-weight:900}.score-panel{gap:14px;padding:16px;display:grid}.score-line>div:first-child{justify-content:space-between;gap:16px;margin-bottom:8px;display:flex}.meter-track{background:#ffffff1c;border-radius:999px;width:100%;height:10px;overflow:hidden}.meter-track span{border-radius:inherit;background:linear-gradient(90deg, var(--cyan), var(--teal), var(--amber));height:100%;display:block}.question-stack{gap:16px}.question-block{gap:10px;padding:16px;display:grid}.answer-button{color:#06111d;text-align:left;background:#e8f6ffed;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;width:100%;padding:12px 14px;display:grid}.answer-button span{color:#dffbff;background:#06111d;border-radius:50%;place-items:center;width:28px;height:28px;font-size:.85rem;display:inline-grid}.answer-button.is-correct-answer{border-color:var(--green);background:#86efacf0}.plan-output{padding:18px}.plan-output ol{margin:0 0 18px;padding-left:22px}.survey-form{align-items:stretch}.choice-field,.text-field{gap:10px;margin:0;padding:14px;display:grid}.choice-field legend,.text-field span{color:#f3fbff;font-weight:800}.segmented{flex-wrap:wrap;gap:8px;display:flex}.segmented label{position:relative}.segmented input{opacity:0;position:absolute;inset:0}.segmented span{color:#eaf9ff;background:#ffffff14;border:1px solid #ffffff29;border-radius:8px;place-items:center;min-width:44px;min-height:40px;padding:8px 12px;font-weight:800;display:inline-grid}.segmented input:checked+span{border-color:var(--cyan);background:#2dd4bf38}.segmented input:focus-visible+span{outline-offset:3px;outline:3px solid #6ee7f9d9}textarea{resize:vertical;color:#effbff;background:#06172d;border:1px solid #6ee7f938;border-radius:8px;width:100%;padding:10px 12px}.hud{z-index:10;top:88px;left:max(16px, calc((100vw - var(--content-width)) / 2 - 250px));-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#030a16c7;border:1px solid #6ee7f93d;border-radius:8px;gap:14px;width:220px;padding:16px;display:grid;position:fixed;box-shadow:0 18px 50px #00000057}.hud__topline,.hud__level,.hud__tasks,.hud-meter__row{justify-content:space-between;gap:10px;display:flex}.hud span{color:var(--muted);font-size:.82rem}.hud strong{color:#f8feff;text-align:right}.hud__level{display:grid}.hud__level strong{text-align:left;line-height:1.15}.hud__progress{gap:8px;display:grid}.diver{z-index:9;left:max(18px, calc((100vw - var(--content-width)) / 2 - 96px));width:76px;transform:translateY(-50%) rotate(calc((var(--scroll-progress) - .5) * 8deg));pointer-events:none;filter:drop-shadow(0 0 18px #6ee7f970);transition:top .12s linear;position:fixed}.diver img{width:100%;height:auto}.diver__line{background:linear-gradient(#0000,#6ee7f973);width:1px;height:64vh;position:absolute;top:-64vh;left:50%}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width>=1101px) and (width<=1460px){.course-shell{width:min(var(--content-width), calc(100% - 320px));margin-left:280px;margin-right:40px}}@media (width<=1180px){.hud{width:198px;left:14px}.diver{opacity:.82;width:62px;left:18px}}@media (width<=1100px){.course-shell{width:min(100% - 28px, var(--content-width));margin-left:auto;margin-right:auto;padding-top:72px}.hero-section,.course-section{min-height:auto;padding:74px 0 56px}.hud{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;width:auto;padding:10px;top:10px;left:10px;right:10px}.hud__level,.hud-meter{display:none}.hud__topline,.hud__tasks,.hud__progress{min-width:0}.diver{opacity:.74;width:48px;left:auto;right:10px}.signal-row,.info-grid,.concept-list.two-column,.simulator-panel,.feed-grid,.day-grid,.check-grid,.image-strip,.match-row{grid-template-columns:1fr}.mission{padding:18px}.iceberg{opacity:.65;width:74vw;right:-18vw}.hero-facts span{flex:145px}}@media (width<=520px){.course-shell{width:min(100% - 22px, var(--content-width))}.hud{grid-template-columns:repeat(3,minmax(0,1fr));font-size:.88rem}.hud__tasks,.diver{display:none}h1{font-size:clamp(3.3rem,18vw,5rem)}.primary-button,.secondary-button{width:100%}.mission-actions{align-items:stretch}.answer-button{grid-template-columns:1fr}.answer-button span{width:24px;height:24px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.diver{transition:none}}