:root{--bg:#f8f7f2;--panel:#fff;--ink:#14231f;--muted:#60706a;--line:#d8ded4;--green:#286d4f;--green-dark:#174934;--sun:#f3c14b;--clay:#b85c38;--sky:#d8ebef;--error:#9e2f22;--shadow:0 18px 50px #14231f1a}*{box-sizing:border-box}body{background:linear-gradient(135deg, #d8ebefe6, #f8f7f2cc 34%), var(--bg);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}main{min-height:calc(100vh - 74px)}.app-header{z-index:10;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f8f7f2eb;border-bottom:1px solid #14231f1f;justify-content:space-between;align-items:center;gap:18px;min-height:74px;padding:14px clamp(16px,4vw,48px);display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;min-width:0;display:inline-flex}.brand-mark{background:var(--green-dark);color:#fff;letter-spacing:0;border-radius:8px;place-items:center;width:42px;height:42px;font-weight:700;display:grid}.brand strong,.brand small{display:block}.brand small,.muted{color:var(--muted)}.top-nav{align-items:center;gap:8px;display:flex}.top-nav a,.icon-button,.primary-button{cursor:pointer;border:0;justify-content:center;align-items:center;gap:8px;display:inline-flex}.top-nav a{min-height:40px;color:var(--green-dark);border-radius:8px;padding:0 12px}.top-nav a:hover{background:#286d4f1a}.page-shell{width:min(1240px,100% - 32px);margin:0 auto;padding:28px 0 52px}.single-column{width:min(860px,100% - 32px)}.intro-band{grid-template-columns:minmax(240px,.8fr) minmax(320px,1.2fr);align-items:end;gap:24px;padding:10px 0 26px;display:grid}.intro-band h1,.section-heading h1,.section-heading h2{letter-spacing:0;margin:0}.intro-band h1{font-size:clamp(2rem,4vw,4rem);line-height:1}.intro-band p,.section-heading p{max-width:64ch;color:var(--muted);margin:10px 0 0;line-height:1.5}.eyebrow{color:var(--clay);letter-spacing:.08em;text-transform:uppercase;margin:0 0 8px;font-size:.78rem;font-weight:700}.tool-links{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.calculator-entry,.site-return{justify-content:space-between;align-items:center;gap:18px;display:flex}.calculator-entry{background:#fffdf8;border:1px solid #14231f1f;border-radius:8px;margin:0 0 26px;padding:clamp(18px,2.6vw,28px)}.calculator-entry h2{color:var(--green-dark);margin:0;font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.1}.calculator-entry p{max-width:68ch;color:var(--muted);margin:10px 0 0;line-height:1.5}.site-return{flex-wrap:wrap;justify-content:flex-start;margin:0 0 18px}.site-return a{color:var(--green-dark);font-weight:800}.site-return a:hover{color:var(--green)}.tool-card,.panel{box-shadow:var(--shadow);background:#ffffffeb;border:1px solid #14231f1f;border-radius:8px}.tool-card{gap:8px;min-height:136px;padding:16px;display:grid}.tool-card svg{color:var(--green)}.tool-card span{color:var(--muted);line-height:1.35}.tool-card .tool-status{width:fit-content;color:var(--green-dark);background:#eef6f1;border-radius:999px;padding:4px 8px;font-size:.78rem;font-weight:700}.tool-layout,.chat-layout{grid-template-columns:minmax(0,1fr) minmax(340px,.72fr);align-items:start;gap:18px;display:grid}.panel{padding:clamp(18px,2.6vw,28px)}.compact-panel{padding:18px}.wide-panel{grid-column:1/-1}.calculator-form,.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px;display:grid}.compact-fields{grid-template-columns:1fr}label,.segmented-field{color:var(--green-dark);gap:7px;font-weight:700;display:grid}fieldset{border:0;min-width:0;margin:0;padding:0}legend{margin-bottom:7px}input,select,textarea{border:1px solid var(--line);width:100%;min-height:44px;color:var(--ink);background:#fff;border-radius:8px;outline:none;padding:10px 12px}textarea{resize:vertical;min-height:96px}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #286d4f24}.select-wrap{position:relative}.select-wrap svg{pointer-events:none;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.wide,.segmented-field.wide,.child-age-grid,.wide-panel{grid-column:1/-1}.segmented{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.segmented.two-up{grid-template-columns:repeat(2,minmax(0,1fr))}.segmented button{border:1px solid var(--line);min-height:42px;color:var(--green-dark);cursor:pointer;background:#fff;border-radius:8px;justify-content:center;align-items:center;gap:8px;display:inline-flex}.segmented button.active{border-color:var(--green);background:var(--green);color:#fff}.child-age-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.primary-button{background:var(--green-dark);color:#fff;border-radius:8px;min-height:48px;padding:0 18px;font-weight:800}.primary-button:hover{background:var(--green)}.secondary-button{min-height:40px;color:var(--green-dark);background:#fff;border:1px solid #21584538;border-radius:8px;margin-top:12px;padding:0 14px;font-weight:800}.secondary-button:hover{border-color:var(--green);color:var(--green)}.primary-button:disabled,.icon-button:disabled{cursor:not-allowed;opacity:.65}.result-panel{position:sticky;top:94px}.quote-summary{gap:10px;display:grid}.quote-summary h2{margin:0;font-size:clamp(1.65rem,4vw,2.45rem);line-height:1.08}.quote-summary p{color:var(--muted);margin:0}.data-gate,.note-panel,.warning-panel{border-radius:8px;align-items:flex-start;gap:12px;padding:12px;line-height:1.45;display:flex}.data-gate{background:#fff7ef;border:1px solid #b85c3838;margin-top:20px}.data-gate h2,.data-gate p,.note-panel p,.warning-panel p,.human-next-step{margin:0}.data-gate svg,.warning-panel svg{color:var(--clay);flex:none}.fact-list{gap:10px;margin-top:18px;display:grid}.fact-list div{border-bottom:1px solid var(--line);justify-content:space-between;gap:12px;padding:10px 0;display:flex}.fact-list span{color:var(--muted)}.fact-list strong{text-align:right}.note-panel{background:#eef6f1;margin-top:18px}.note-panel svg{color:var(--green);flex:none}.warning-panel{background:#fff3ed;margin-top:12px}.human-next-step{color:var(--green-dark);margin-top:18px;font-weight:700;line-height:1.45}.field-note{color:var(--muted);margin:6px 0 0;font-size:.92rem;font-weight:500;line-height:1.4}.pill{background:var(--sky);width:fit-content;color:var(--green-dark);border-radius:999px;align-items:center;gap:6px;padding:6px 10px;font-size:.9rem;font-weight:700;display:inline-flex}.breakdown-list{gap:8px;margin-top:18px;display:grid}.breakdown-list div{border-bottom:1px solid var(--line);justify-content:space-between;gap:12px;padding:10px 0;display:flex}.breakdown-list span,.breakdown-list strong{overflow-wrap:anywhere}.detailed-breakdown span{gap:3px;display:grid}.detailed-breakdown small{color:var(--muted);font-size:.78rem;font-weight:600}.itinerary-list{gap:10px;margin-top:22px;display:grid}.itinerary-list h3{margin:0 0 4px}.itinerary-list article{border-left:4px solid var(--sun);padding:8px 0 8px 12px}.itinerary-list span{color:var(--muted);font-size:.9rem}.itinerary-list strong,.itinerary-list p{margin:2px 0 0;display:block}.itinerary-list p,.note-list{color:var(--muted);line-height:1.45}.note-list{padding-left:18px}.empty-state{align-content:center;gap:10px;min-height:320px;display:grid}.compact-empty{min-height:180px}.empty-state h2,.empty-state p{margin:0}.empty-state p{color:var(--muted)}.check-row{color:var(--ink);grid-template-columns:20px 1fr;align-items:start;font-weight:500}.check-row input{width:18px;height:18px;min-height:auto;margin-top:2px}.form-error{color:var(--error);margin:0;font-weight:700}.success-block{gap:14px;display:flex}.success-block svg{color:var(--green);flex:none}.success-block h2,.success-block p{margin:0 0 8px}.chat-panel{grid-template-rows:auto 1fr auto auto;min-height:690px;display:grid}.message-list{flex-direction:column;gap:12px;min-height:360px;max-height:560px;padding:18px 0;display:flex;overflow:auto}.message{border-radius:8px;gap:10px;max-width:82%;padding:12px;line-height:1.45;display:flex}.message p{margin:0}.message.assistant{background:#eef6f1;align-self:flex-start}.message.user{background:var(--green-dark);color:#fff;align-self:flex-end}.route-alert{border-left:4px solid var(--clay);color:var(--green-dark);background:#fff3ed;padding:10px 12px;font-weight:700}.chat-input{grid-template-columns:1fr 48px;gap:8px;margin-top:12px;display:grid}.icon-button{background:var(--green-dark);color:#fff;border-radius:8px;width:48px;height:48px}.locked-panel{gap:18px;display:grid}.check-list{color:var(--muted);gap:8px;margin:0;padding-left:20px;line-height:1.45;display:grid}.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 (max-width:960px){.intro-band,.tool-layout,.chat-layout{grid-template-columns:1fr}.result-panel{position:static}.tool-links{grid-template-columns:1fr}.calculator-entry{flex-direction:column;align-items:flex-start}}@media (max-width:680px){.app-header{flex-direction:column;align-items:flex-start}.top-nav{justify-content:space-between;width:100%}.top-nav a{flex:1}.calculator-form,.form-grid,.child-age-grid{grid-template-columns:1fr}.wide,.segmented-field.wide,.child-age-grid,.wide-panel{grid-column:auto}.segmented{grid-template-columns:1fr}.message{max-width:100%}}