:root{--void:#0b0e13;--hull:#161b22;--hull-light:#232b36;--line:#2c3542;--biolume:#4fe3c1;--laser:#4ea8ff;--alert:#ff5a2d;--hazard:#f2c40f;--sand:#ede9df;--dim:#9aa3b0;--danger:#ff8b6e}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{min-height:100vh;background:radial-gradient(circle at 85% 5%,rgba(78,168,255,.12),transparent 28rem),var(--void);color:var(--sand);font-family:Manrope,sans-serif;font-size:16px;line-height:1.55;padding-bottom:68px}
button,input{font:inherit}
a{color:inherit}
.hazard{height:7px;background:repeating-linear-gradient(-45deg,var(--hazard) 0 15px,#101318 15px 30px)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(11,14,19,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1180px;margin:auto;min-height:70px;padding:12px 20px;display:flex;align-items:center;gap:28px}
.brand{font:700 1.05rem 'Chakra Petch',sans-serif;letter-spacing:.08em;text-decoration:none}.brand span{color:var(--alert)}
.header-inner nav{margin-left:auto;display:flex;gap:24px}.header-inner nav a{text-decoration:none;color:var(--dim);font-size:.9rem}.header-inner nav a:hover{color:var(--sand)}
.phone{font:700 .9rem 'Chakra Petch',sans-serif;color:#07110e;background:var(--biolume);padding:10px 15px;text-decoration:none;clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px)}
.wrap{width:min(1120px,calc(100% - 32px));margin:auto}
.intro{padding:64px 0 36px}.intro-grid{display:grid;grid-template-columns:1.45fr .75fr;gap:42px;align-items:end}
.eyebrow,.kicker{font:700 .76rem 'Chakra Petch',sans-serif;letter-spacing:.2em;text-transform:uppercase;color:var(--biolume)}
h1,h2,h3{font-family:'Chakra Petch',sans-serif;line-height:1.08}h1{font-size:clamp(2.4rem,6vw,4.6rem);max-width:13ch;margin:10px 0 18px;text-transform:uppercase}h2{font-size:clamp(1.65rem,4vw,2.5rem);margin:8px 0 12px}h3{font-size:1.05rem}
.lede{font-size:1.08rem;color:var(--dim);max-width:60ch}.promise{border:1px solid rgba(79,227,193,.5);background:rgba(79,227,193,.07);padding:20px;clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px)}.promise strong{color:var(--biolume)}.promise p+p{margin-top:7px;color:var(--dim);font-size:.92rem}
.booking-section{padding:24px 0 80px}.steps{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;border:1px solid var(--line);background:var(--hull);margin-bottom:20px}.steps li{padding:14px 16px;color:var(--dim);font:600 .78rem 'Chakra Petch',sans-serif;text-transform:uppercase;letter-spacing:.08em;border-right:1px solid var(--line)}.steps li:last-child{border:0}.steps span{display:inline-grid;place-items:center;width:24px;height:24px;border:1px solid var(--line);margin-right:8px}.steps .active{color:var(--sand);background:rgba(79,227,193,.08)}.steps .active span{background:var(--biolume);color:#04110c;border-color:var(--biolume)}
.panel{border:1px solid var(--line);background:linear-gradient(145deg,rgba(35,43,54,.92),rgba(22,27,34,.96));padding:clamp(22px,5vw,48px);clip-path:polygon(18px 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%,0 18px)}.panel-heading{max-width:720px;margin-bottom:28px}.panel-heading>p:last-child{color:var(--dim)}
fieldset{border:0}legend,.field label{display:block;color:var(--biolume);font:700 .78rem 'Chakra Petch',sans-serif;letter-spacing:.12em;text-transform:uppercase;margin-bottom:9px}.formula-picker{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:26px}.formula-picker legend{grid-column:1/-1}.formula-card{position:relative;border:1px solid var(--line);background:var(--void);padding:22px;cursor:pointer;display:grid;gap:6px;min-height:180px}.formula-card:hover,.formula-card.selected{border-color:var(--biolume);box-shadow:inset 0 0 0 1px var(--biolume)}.formula-card input{position:absolute;opacity:0}.formula-name{font:700 1.15rem 'Chakra Petch',sans-serif}.formula-card strong{font:700 2rem 'Chakra Petch',sans-serif}.formula-card strong small{font-size:.8rem;color:var(--dim)}.formula-detail{font-size:.88rem;color:var(--dim);margin-top:8px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field input{width:100%;border:1px solid var(--line);background:var(--void);color:var(--sand);padding:14px 15px;border-radius:0}.field input:focus{outline:2px solid var(--biolume);border-color:var(--biolume)}.field small{display:block;color:var(--dim);font-size:.82rem;margin-top:6px}.capacity-note{margin-top:16px;color:var(--dim)}.capacity-note strong{color:var(--sand)}
.actions{display:flex;justify-content:flex-end;margin-top:28px}.split-actions{justify-content:space-between;gap:12px}.button{border:1px solid var(--biolume);background:var(--biolume);color:#04110c;padding:14px 22px;font:700 .86rem 'Chakra Petch',sans-serif;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;text-decoration:none;text-align:center;clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px)}.button:hover{filter:brightness(1.08)}.button:disabled{cursor:wait;opacity:.55}.button.ghost{background:transparent;color:var(--sand);border-color:var(--line)}
.alert{border:1px solid var(--danger);background:rgba(255,90,45,.09);color:#ffd8ce;padding:14px 18px;margin-bottom:18px}.calendar-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(270px,.75fr);gap:20px}.calendar-card,.slots-card{border:1px solid var(--line);background:var(--void);padding:20px}.calendar-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.calendar-toolbar h3{text-transform:capitalize}.icon-button{width:42px;height:42px;border:1px solid var(--line);background:var(--hull);color:var(--sand);cursor:pointer}.icon-button:hover{border-color:var(--biolume)}.weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.weekdays span{text-align:center;color:var(--dim);font:600 .7rem 'Chakra Petch',sans-serif;text-transform:uppercase;padding:6px 0}.calendar-day{aspect-ratio:1;border:1px solid transparent;background:var(--hull);color:var(--sand);cursor:pointer;min-width:0}.calendar-day:hover:not(:disabled),.calendar-day.selected{border-color:var(--biolume);color:var(--biolume)}.calendar-day:disabled{background:transparent;color:#535b67;cursor:not-allowed}.calendar-day.empty{visibility:hidden}.slots-card h3{margin-bottom:8px}.slots-status{color:var(--dim);font-size:.92rem;margin:16px 0}.slot-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.slot{border:1px solid var(--laser);background:rgba(78,168,255,.07);color:var(--sand);padding:12px;cursor:pointer;font:700 .9rem 'Chakra Petch',sans-serif}.slot:hover{border-color:var(--biolume);color:var(--biolume)}.slot.request{border-color:var(--line);color:var(--dim);cursor:default}.slot small{display:block;font:400 .72rem Manrope,sans-serif;margin-top:3px}.slot-help{font-size:.78rem;color:var(--dim);margin-top:18px}.slot-help a{color:var(--biolume)}
.check{display:flex;gap:12px;margin-top:20px;padding:16px;border:1px solid var(--line);background:var(--void);cursor:pointer}.check input{width:20px;height:20px;flex:0 0 auto;accent-color:var(--biolume)}.check span{font-size:.9rem;color:var(--dim)}.privacy{font-size:.78rem;color:var(--dim);margin-top:18px}.honeypot{position:absolute!important;left:-9999px!important}
.success-panel{text-align:center}.success-mark{width:72px;height:72px;display:grid;place-items:center;margin:0 auto 18px;border:2px solid var(--biolume);color:var(--biolume);font-size:2rem;border-radius:50%}.success-panel h2{margin-bottom:14px}.success-summary{font-size:1.08rem;color:var(--dim);max-width:620px;margin:0 auto 24px}.promise.compact{max-width:580px;margin:0 auto 20px;text-align:left}.booking-reference{margin:22px 0 28px;color:var(--dim)}
footer{border-top:1px solid var(--line);padding:28px 20px;text-align:center;color:var(--dim);font-size:.82rem}footer a{color:var(--biolume)}.mobile-bar{position:fixed;z-index:30;bottom:0;left:0;right:0;background:var(--alert);padding-bottom:env(safe-area-inset-bottom);text-align:center}.mobile-bar a{display:block;padding:15px;color:#180804;text-decoration:none;font:700 .88rem 'Chakra Petch',sans-serif}
:focus-visible{outline:2px solid var(--biolume);outline-offset:3px}
@media(min-width:820px){body{padding-bottom:0}.mobile-bar{display:none}}
@media(max-width:760px){.header-inner nav{display:none}.phone{margin-left:auto}.intro{padding:42px 0 28px}.intro-grid,.calendar-layout{grid-template-columns:1fr}.steps li{font-size:0;text-align:center}.steps li span{font-size:.78rem;margin:0}.formula-picker,.field-grid{grid-template-columns:1fr}.formula-card{min-height:0}.panel{padding:24px 18px}.split-actions{flex-direction:column-reverse}.split-actions .button{width:100%}.slot-list{grid-template-columns:1fr 1fr}}
@media(max-width:380px){.wrap{width:min(100% - 20px,1120px)}.brand{font-size:.86rem}.phone{font-size:.76rem;padding:9px}.calendar-card,.slots-card{padding:13px}.weekdays,.calendar-grid{gap:3px}.calendar-day{font-size:.82rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Calendar-first booking. The group controls and calendar share the same screen. */
[hidden]{display:none!important}
.mode-banner{margin-top:16px;padding:10px 14px;border:1px solid #776633;background:#262316;color:#f6dfa0;font-size:.8rem}
.intro{padding:26px 0 20px}.intro-grid{gap:24px;grid-template-columns:1.4fr 1fr}
h1{font-size:clamp(1.9rem,4vw,3rem);max-width:22ch;margin:8px 0 12px}
.intro .promise{padding:14px 18px}.lede{font-size:.95rem}
.booking-section{padding-top:8px}.booking-section>.wrap{display:grid;grid-template-columns:290px minmax(0,1fr);gap:16px;align-items:start}
.steps,#booking-alert,[data-step="2"],[data-step="3"]{grid-column:1/-1}.steps{margin:0}
.panel{padding:24px;clip-path:none;border-radius:8px;min-width:0}.panel-heading{margin-bottom:20px}.panel-heading h2{font-size:1.5rem;scroll-margin-top:100px}.panel-heading p{font-size:.88rem}
.settings-panel{background:var(--hull);padding:20px}.settings-panel h2{font-size:1.2rem}.settings-panel .panel-heading{margin-bottom:16px}
.formula-picker{grid-template-columns:1fr;gap:10px;margin-bottom:18px}.formula-picker legend{font-size:.7rem}.formula-card{min-height:0;padding:14px;gap:4px;border-radius:5px}.formula-card strong{font-size:1.55rem}.formula-card>span{font-size:.82rem}.formula-card .formula-name{font-size:1rem}.formula-detail{margin-top:0}.formula-card:focus-within{outline:2px solid var(--biolume);outline-offset:3px}.offer-label{color:var(--biolume);font-weight:700}
.settings-panel .field-grid{gap:12px}.settings-panel .field label{font-size:.67rem;letter-spacing:.04em;min-height:2.4em}.settings-panel input{padding:10px}.settings-panel .field small{font-size:.74rem}.capacity-note,.included-note{font-size:.78rem;color:var(--dim);margin-top:12px}
.calendar-layout{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:16px}.calendar-card,.slots-card{padding:14px;border-radius:5px}.calendar-toolbar h3{font-size:.98rem}.icon-button:disabled{opacity:.35;cursor:default}
.calendar-grid{gap:4px}.calendar-day{border-radius:4px;min-height:40px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.96rem;font-weight:700;line-height:1.2}.calendar-day small{font-size:.6rem;font-weight:500;min-height:1em;margin-top:3px}.calendar-day.available{background:#132e2a;color:#99f0d9;border-color:#27594f}.calendar-day.request{background:#30291c;color:#efce8d}.calendar-day.selected:not(:disabled){background:var(--biolume);color:#071c16;border-color:var(--biolume)}.calendar-day.full:disabled{background:#222731;color:#8c96a6}.calendar-day.closed:disabled{color:#626d7d;background:#11151c}.calendar-day.filtered{opacity:.25}.calendar-day.unknown:disabled{background:#191f28;color:#9aa3b0}.calendar-legend{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px;font-size:.65rem;color:var(--dim)}.legend-available{color:var(--biolume)}
.day-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.day-filters button{border:1px solid var(--line);background:var(--void);color:var(--sand);padding:9px 12px;font-size:.78rem;border-radius:5px;cursor:pointer}.day-filters [aria-pressed="true"]{background:var(--biolume);border-color:var(--biolume);color:#09221b;font-weight:700}
.slot-list{gap:8px}.slot{border-radius:4px;text-decoration:none;text-align:center;padding:11px 6px}.slot small{font-size:.65rem}.slot.request:hover{border-color:var(--dim)}.slots-card h3{font-size:1rem;line-height:1.4;text-transform:capitalize}.slots-status{font-size:.8rem;margin:12px 0}.date-quote{border-top:1px solid var(--line);padding-top:14px;margin-top:16px;font-size:.85rem;color:var(--biolume)}.friday-suggestion{font-size:.78rem;padding:12px;background:#172b27;border:1px solid #31594e;margin-top:12px}.friday-suggestion button{border:0;background:none;color:var(--biolume);text-decoration:underline;cursor:pointer;font:inherit;margin-top:5px}
.calendar-bottom{margin-top:18px;display:flex;gap:14px;align-items:center;justify-content:space-between}.calendar-bottom p{font-size:.72rem;color:var(--dim);max-width:48ch}.calendar-bottom .button{font-size:.68rem;padding:10px;flex-shrink:0;letter-spacing:.03em}
.summary-price{font:700 1.5rem 'Chakra Petch',sans-serif;color:var(--biolume);margin:16px 0}.button{border-radius:4px;clip-path:none}.button:focus-visible{outline-offset:4px}
@media(max-width:1060px) and (min-width:761px){.booking-section>.wrap{grid-template-columns:240px minmax(0,1fr)}.calendar-layout{grid-template-columns:1fr}.calendar-card{max-width:440px}.slot-list{grid-template-columns:repeat(3,1fr)}.calendar-bottom{flex-direction:column;align-items:start}}
@media(max-width:760px){.intro-grid{grid-template-columns:1fr;gap:12px}.intro{padding:20px 0 14px}.intro .promise{padding:10px 14px}.intro .promise p{font-size:.8rem}.booking-section>.wrap{grid-template-columns:1fr;gap:12px}.settings-panel,.calendar-panel{padding:16px}.settings-panel .formula-picker{grid-template-columns:1fr 1fr}.formula-card{padding:10px;min-width:0}.formula-card .formula-name{font-size:.9rem}.formula-card strong{font-size:1.3rem}.formula-card>span{font-size:.74rem}.settings-panel .field-grid{grid-template-columns:1fr 1fr}.calendar-layout{grid-template-columns:1fr}.calendar-day{aspect-ratio:auto;min-height:43px}.calendar-card{padding:12px}.steps li{font-size:.65rem;letter-spacing:0;padding:10px 4px}.steps li span{font-size:.65rem;width:18px;height:18px;margin-right:4px}.calendar-bottom{flex-direction:column;align-items:stretch}.day-filters{gap:6px}.day-filters button{padding:8px 9px;font-size:.73rem}.header-inner{gap:12px}.mode-banner{font-size:.74rem}.calendar-panel .panel-heading h2{font-size:1.3rem}.slot-list{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:380px){.slot-list{grid-template-columns:1fr 1fr}.steps li{font-size:.6rem}.brand{font-size:.78rem}.phone{font-size:.7rem}.settings-panel,.calendar-panel{padding:12px}}

.mobile-formula-field{display:none}.booking-details{border-top:1px solid var(--line);margin-top:18px;padding-top:14px;font-size:.8rem;color:var(--dim)}.booking-details summary{cursor:pointer;color:var(--sand)}.booking-details p{margin-top:12px}
.slot.request{cursor:pointer;border-color:#4ea8ff;color:var(--sand)}
@media(max-width:760px){
  .mobile-formula-field{display:block;margin-bottom:12px}.mobile-formula-field select{width:100%;font:inherit;font-size:.8rem;background:var(--void);border:1px solid var(--line);border-radius:4px;color:var(--sand);padding:10px 6px}
  .settings-panel .formula-picker,.settings-panel .panel-heading,.settings-panel .included-note{display:none}
  .settings-panel .field label{min-height:0;margin-bottom:5px;font-size:.65rem}.settings-panel .field input{padding:8px}.settings-panel .field small{font-size:.68rem}.settings-panel .capacity-note{font-size:.7rem;margin-top:8px}
  .intro .eyebrow,.intro .lede{display:none}.intro h1{font-size:1.65rem;margin:0}.intro{padding:14px 0}.intro-grid{gap:10px}.intro .promise{padding:8px 12px}.intro .promise p+p{display:none}
  .mode-banner{margin-top:8px;padding:8px 10px;font-size:.68rem}.header-inner{min-height:58px;padding:9px 12px}.calendar-panel .panel-heading{margin-bottom:10px}.calendar-panel .panel-heading p{font-size:.74rem}.calendar-panel .panel-heading h2{font-size:1.2rem}
  .day-filters{gap:5px;margin-bottom:12px}.day-filters button{font-size:.66rem;padding:7px}.calendar-toolbar{margin-bottom:10px}.calendar-card{padding:9px}.steps li{padding:8px 4px}
}