/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.relative{position:relative}.start{inset-inline-start:var(--spacing)}.inline{display:inline}.table{display:table}}:root{--ink:#173442;--teal:#0f6d70;--teal-pale:#e5f3f1;--coral:#dd6d51;--paper:#fffdf8;--line:#c8dbd8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:#f3f7f6;margin:0;font-family:Arial,Helvetica,sans-serif;line-height:1.5}main{max-width:920px;margin:0 auto;padding:0 18px 48px}.hero{isolation:isolate;text-align:center;color:#fff;background-color:#0b5f64;background-image:linear-gradient(135deg,#0b5f646b,#1734425c);margin:0 -18px 18px;padding:64px 28px 54px;position:relative;overflow:hidden}.hero-home{z-index:2;cursor:pointer;position:absolute;inset:0;background:0 0!important;border-radius:0!important;padding:0!important}.hero>:not(.hero-watermark):not(.hero-home){z-index:1;position:relative}.hero-watermark{z-index:0;opacity:.9;pointer-events:none;width:390px;max-width:48%;position:absolute;top:50%;transform:translateY(-50%)}.hero-watermark--left{left:-95px;transform:translateY(-50%)scaleX(-1)}.hero-watermark--right{right:-95px}.school-signature{color:var(--ink);justify-content:center;align-items:center;gap:10px;margin:0 0 24px;font-size:.82rem;font-weight:700;display:flex}.school-logo{object-fit:contain;border-radius:50%;width:46px;height:46px;box-shadow:0 2px 8px #00000026}.hero--compact{padding-top:42px;padding-bottom:36px}.hub-intro,.lesson-card{max-width:760px;margin:0 auto 24px}.hub-intro{border-left:4px solid var(--coral);background:var(--paper);padding:20px 22px}.hub-intro h2,.lesson-card h2{margin:0 0 8px}.hub-intro p:last-child{margin-bottom:0}.sequence-list{gap:18px;display:grid}.sequence-card{border:1px solid var(--line);background:var(--paper);border-radius:14px;padding:25px}.sequence-card__number{color:var(--coral);text-transform:uppercase;letter-spacing:.06em;margin:0 0 4px;font-size:.8rem;font-weight:700}.sequence-card h2{margin:0}.session-list{margin:20px 0 0;padding:0;list-style:none}.session-list li+li{margin-top:10px}.session-list a{color:var(--ink);border:1px solid var(--line);background:var(--teal-pale);border-radius:10px;grid-template-columns:auto 1fr;align-items:center;gap:0 12px;padding:14px;text-decoration:none;display:grid}.session-list a:hover{border-color:var(--teal)}.session-list span{color:#fff;background:var(--teal);border-radius:50%;grid-row:1/span 2;place-items:center;width:44px;height:44px;font-size:.8rem;font-weight:700;display:grid}.session-list small{color:#4b6569}.breadcrumb{flex-wrap:wrap;align-items:center;gap:8px;max-width:760px;margin:0 auto 16px;font-size:.88rem;display:flex}.breadcrumb a{color:var(--teal);font-weight:700}.lesson-card{border:1px solid var(--line);background:var(--paper);border-radius:14px;padding:28px}.lesson-card h3{margin:24px 0 10px;font-size:1.05rem;font-weight:700}.definition-list{gap:12px;margin:0;display:grid}.definition-list div{border-left:4px solid var(--teal);background:var(--teal-pale);padding:14px}.definition-list dt{font-weight:700}.definition-list dd{margin:4px 0 0}.source-note{color:#4b6569;margin:12px 0 0;font-size:.82rem}.lesson-card ul{padding-left:0;list-style:none}.lesson-card li{margin:4px 0}.lesson-card li:before{content:"– "}.primary-link{background:var(--coral);color:#fff;border-radius:8px;margin-top:10px;padding:12px 18px;font-weight:700;text-decoration:none;display:inline-block}.eyebrow{text-transform:uppercase;letter-spacing:.09em;margin:0 0 8px;font-size:.75rem;font-weight:700}h1{margin:4px 0 10px;font-size:clamp(2.4rem,8vw,4.8rem);line-height:.95}.hero>p{max-width:480px;margin:0 auto 24px;font-size:1.1rem}.hero a,button{background:var(--coral);color:#fff;font:inherit;cursor:pointer;border:0;border-radius:8px;padding:12px 18px;font-weight:700;text-decoration:none;display:inline-block}button:disabled{cursor:not-allowed;opacity:.45}.method{border:1px solid var(--line);background:var(--paper);border-radius:12px;grid-template-columns:auto 1fr 1fr;align-items:center;gap:10px;margin-bottom:24px;padding:18px;display:grid}.method .eyebrow{writing-mode:vertical-rl;color:var(--coral);grid-row:1/span 2;transform:rotate(180deg)}.method div{border-left:4px solid var(--teal);background:var(--teal-pale);padding:10px}.method div:last-child{border-color:var(--coral);background:#fff0eb}.method strong,.method span{display:block}.method span{font-size:.86rem}.exercise-list{gap:22px;display:grid}.exercise{border:1px solid var(--line);background:var(--paper);border-radius:14px;padding:26px;box-shadow:0 3px #1734420a}.exercise__head{align-items:flex-start;gap:14px;display:flex}.exercise__head>span{color:#fff;background:var(--coral);border-radius:50%;place-items:center;min-width:42px;height:42px;font-weight:700;display:grid}.exercise h2{margin:0;font-size:1.45rem}.intro{margin:18px 0;font-weight:600}.choices{gap:12px;margin:20px 0;display:grid}.choice{border:1px solid var(--line);border-radius:9px;margin:0;padding:14px}.choice legend{padding:0 4px;font-weight:700}.options{gap:7px;margin-top:10px;display:grid}.options label{cursor:pointer;border-radius:6px;padding:8px 10px}.options label:hover{background:var(--teal-pale)}.options input{accent-color:var(--teal);margin-right:8px}.options .correct{background:#dff2df}.options .incorrect{background:#fde4df}.feedback{margin:10px 0 0;font-size:.93rem}.score{border-left:4px solid var(--teal);background:var(--teal-pale);margin:15px 0 0;padding:10px;font-weight:700}footer{background:var(--ink);color:#fff;border-radius:12px;margin-top:30px;padding:24px}footer p{margin:6px 0 15px}footer small{color:#cfe4e2}@media (max-width:620px){main{padding:0 12px 32px}.hero{margin:0 -12px 16px;padding:48px 20px 42px}.hero-watermark{opacity:.82;width:285px;max-width:58%}.hero-watermark--left{left:-105px}.hero-watermark--right{right:-105px}.school-signature{margin-bottom:20px}.school-logo{width:42px;height:42px}.lesson-card,.sequence-card{padding:20px 15px}.method{grid-template-columns:1fr}.method .eyebrow{writing-mode:horizontal-tb;grid-row:auto;transform:none}.exercise{padding:20px 15px}}
