/* Copper Kettle Consulting · Claude workshops. Mobile first. */
:root{
  --cyan:#163f3f; --cyan-deep:#0f2f2f; --rust:#7b2e00; --rust-hov:#5c2200;
  --beige:#e4d0b7; --beige-soft:#efe3d3; --off:#faf8f4; --ink:#1a1a1a; --ink70:#4a4a4a; --rule:#d9c6ad;
  --serif:Georgia,"Times New Roman",serif; --sans:"Trebuchet MS","Segoe UI",sans-serif; --mono:"Courier New",monospace;
  --gutter:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--off);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6}
img{max-width:100%}
a{color:var(--rust);text-underline-offset:3px}a:hover{color:var(--rust-hov)}
:focus-visible{outline:3px solid var(--rust);outline-offset:3px;border-radius:4px}
.wrap{max-width:1120px;margin:0 auto;padding:0 var(--gutter)}
.serif{font-family:var(--serif);font-weight:400}
.muted{color:var(--ink70)}
.dark{background:var(--cyan);color:var(--off)}
.dark .muted{color:var(--beige)}
.eyebrow{margin:0;font-family:var(--mono);font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--rust)}
.dark .eyebrow{color:var(--beige)}
h1,h2,h3{font-family:var(--serif);font-weight:400;margin:0}
h1{font-size:clamp(40px,10vw,84px);line-height:1.02;letter-spacing:-.015em}
h2{font-size:clamp(30px,6.5vw,52px);line-height:1.08;color:var(--cyan);letter-spacing:-.01em}
.dark h2{color:var(--off)}
p{margin:0}
section{padding:64px 0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--rust);color:var(--off);text-decoration:none;border:0;border-radius:999px;padding:15px 28px;min-height:52px;font:600 17px var(--sans);cursor:pointer;transition:background .16s ease,transform .16s ease}
.btn:hover{background:var(--rust-hov);color:var(--off)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;border:2px solid currentColor;color:var(--cyan)}
.dark .btn.ghost{color:var(--off)}
.btn.ghost:hover{background:var(--cyan);color:var(--off);border-color:var(--cyan)}
.dark .btn.ghost:hover{background:var(--off);color:var(--cyan);border-color:var(--off)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.block{width:100%}

/* Nav */
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0}
.brand{font-family:var(--serif);font-size:20px;color:var(--off);text-decoration:none;line-height:1.2}
.nav-links{display:none;gap:28px;align-items:center}
.nav-links a{color:var(--beige);font-size:15px;text-decoration:none}
.nav-links a:hover{color:var(--off);text-decoration:underline}
.nav .btn{min-height:44px;padding:10px 20px;font-size:15px}

/* Hero */
.hero{padding:24px 0 72px}
.hero-grid{display:grid;gap:44px}
.hero-copy{display:flex;flex-direction:column;gap:22px}
.hero-sub{font-size:clamp(18px,4.6vw,22px);line-height:1.5;color:var(--beige);max-width:34em}
.hero-ctas{display:flex;flex-direction:column;gap:12px}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:15px;color:var(--beige);padding-top:6px}
.hero-facts span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--beige);margin-right:9px;vertical-align:middle;opacity:.7}

/* The chat that sorts itself */
.chat{position:relative;background:var(--cyan-deep);border-radius:28px;padding:22px 18px 26px;box-shadow:0 30px 60px rgba(0,0,0,.28);max-width:440px;width:100%;justify-self:center}
.chat-head{display:flex;align-items:center;justify-content:space-between;color:var(--beige);font-size:14px;padding:0 4px 14px;border-bottom:1px solid rgba(228,208,183,.18);margin-bottom:16px}
.chat-head strong{color:var(--off);font-weight:600}
.chat-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.msg{position:relative;height:62px}
.msg .b,.msg .t{position:absolute;inset:0;display:flex;align-items:center;border-radius:18px;padding:0 16px;font-size:16px}
.msg .b{background:#25504f;color:var(--off);flex-direction:column;align-items:flex-start;justify-content:center;border-radius:18px 18px 18px 6px;width:86%}
.msg.me .b{left:auto;right:0;background:#5d5446;border-radius:18px 18px 6px 18px}
.msg .b small{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--beige);opacity:.85;line-height:1.2}
.msg .t{background:var(--beige);color:var(--cyan);font-weight:600;gap:12px;opacity:0}
.tick{flex:none;width:30px;height:30px;border-radius:50%;background:var(--rust);display:grid;place-items:center}
.tick svg{width:16px;height:16px;fill:none;stroke:var(--off);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.chat-foot{margin-top:16px;text-align:center;font-family:var(--serif);font-size:19px;color:var(--off);opacity:0}
@media (prefers-reduced-motion:no-preference){
  .msg .b{animation:pop .45s cubic-bezier(0,0,.2,1) both,fadeout .35s ease forwards}
  .msg .t{animation:settle .42s cubic-bezier(0,0,.2,1) forwards}
  .msg:nth-child(1) .b{animation-delay:.3s,2.9s}.msg:nth-child(1) .t{animation-delay:3.0s}
  .msg:nth-child(2) .b{animation-delay:.65s,3.2s}.msg:nth-child(2) .t{animation-delay:3.3s}
  .msg:nth-child(3) .b{animation-delay:1.0s,3.5s}.msg:nth-child(3) .t{animation-delay:3.6s}
  .msg:nth-child(4) .b{animation-delay:1.35s,3.8s}.msg:nth-child(4) .t{animation-delay:3.9s}
  .msg:nth-child(5) .b{animation-delay:1.7s,4.1s}.msg:nth-child(5) .t{animation-delay:4.2s}
  .tick svg path{stroke-dasharray:30;stroke-dashoffset:30;animation:draw .3s ease forwards}
  .msg:nth-child(1) .tick svg path{animation-delay:3.3s}.msg:nth-child(2) .tick svg path{animation-delay:3.6s}
  .msg:nth-child(3) .tick svg path{animation-delay:3.9s}.msg:nth-child(4) .tick svg path{animation-delay:4.2s}
  .msg:nth-child(5) .tick svg path{animation-delay:4.5s}
  .chat-foot{animation:settle .5s ease 4.9s forwards}
}
@media (prefers-reduced-motion:reduce){
  .msg .b{display:none}.msg .t{opacity:1}.chat-foot{opacity:1}
}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.96)}to{opacity:1;transform:none}}
@keyframes fadeout{to{opacity:0;transform:translateX(-8px)}}
@keyframes settle{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes draw{to{stroke-dashoffset:0}}

/* Outcomes */
.band{background:var(--beige-soft)}
.outcomes{display:grid;gap:36px}
.outcome-list{list-style:none;margin:0;padding:0;display:grid;gap:0}
.outcome-list li{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-top:1px solid var(--rule)}
.outcome-list li:last-child{border-bottom:1px solid var(--rule)}
.outcome-list .tick{margin-top:2px}
.outcome-list strong{display:block;font-family:var(--serif);font-weight:400;font-size:22px;color:var(--cyan);line-height:1.25}

/* Workshops timeline */
.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:36px;max-width:40em}
.timeline{list-style:none;margin:0;padding:0;position:relative}
.timeline::before{content:"";position:absolute;left:21px;top:10px;bottom:10px;width:2px;background:var(--rule)}
.timeline li{position:relative;display:grid;grid-template-columns:44px 1fr;gap:18px;padding:0 0 28px}
.timeline li:last-child{padding-bottom:0}
.step{position:relative;z-index:1;width:44px;height:44px;border-radius:50%;background:var(--off);border:2px solid var(--cyan);display:grid;place-items:center;font-family:var(--serif);font-size:20px;color:var(--cyan)}
.timeline li:last-child .step{background:var(--rust);border-color:var(--rust);color:var(--off)}
.timeline h3{font-size:23px;color:var(--cyan);line-height:1.2;padding-top:7px}
.timeline p{color:var(--ink70);margin-top:4px}

/* Anatomy of a session */
.anatomy{margin-top:48px;padding:28px 22px;border-radius:24px;background:#fff;border:1px solid var(--rule)}
.anatomy h3{font-size:24px;color:var(--cyan)}
.split{display:flex;height:16px;border-radius:999px;overflow:hidden;margin:20px 0 16px}
.split span:nth-child(1){flex:20;background:#8fa7a3}
.split span:nth-child(2){flex:50;background:var(--cyan)}
.split span:nth-child(3){flex:20;background:var(--rust)}
.split-legend{display:grid;gap:10px;font-size:16px}
.split-legend div{display:flex;gap:10px;align-items:baseline}
.split-legend i{flex:none;width:12px;height:12px;border-radius:50%;display:inline-block;transform:translateY(1px)}
.split-legend b{color:var(--cyan);min-width:3.4em}

/* Price */
.price{display:grid;gap:36px;align-items:end}
.price-big{font-family:var(--serif);font-size:clamp(84px,24vw,168px);line-height:.9;letter-spacing:-.03em;color:var(--off)}
.price-big small{font-size:.22em;letter-spacing:0;color:var(--beige);display:block;margin-top:14px;line-height:1.3}
.price-rows{display:grid;gap:0}
.price-rows div{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-top:1px solid rgba(228,208,183,.25);font-size:17px}
.price-rows div:last-child{border-bottom:1px solid rgba(228,208,183,.25)}
.price-rows b{font-family:var(--serif);font-weight:400;font-size:26px;color:var(--off);white-space:nowrap}
.payback{font-family:var(--serif);font-size:clamp(22px,5vw,30px);line-height:1.3;color:var(--off);max-width:26em;margin-top:40px}

/* Cohorts */
.cohorts{display:grid;gap:14px}
.cohort{display:grid;grid-template-columns:auto 1fr;gap:16px 18px;align-items:center;padding:18px;border-radius:22px;background:#fff;border:1px solid var(--rule)}
.cohort.founding{border:2px solid var(--rust)}
.date-badge{width:68px;height:72px;border-radius:16px;background:var(--cyan);color:var(--off);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.date-badge b{font-family:var(--serif);font-weight:400;font-size:30px}
.date-badge span{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--beige);margin-top:4px}
.cohort.founding .date-badge{background:var(--rust)}
.cohort-name{font-family:var(--serif);font-size:22px;color:var(--cyan);line-height:1.2}
.cohort-meta{font-size:15px;color:var(--ink70);margin-top:4px}
.tag{display:inline-block;font-size:12px;font-weight:600;color:var(--rust);border:1.5px solid var(--rust);border-radius:999px;padding:2px 10px;margin-bottom:6px}
.cohort .btn{grid-column:1/-1}
.small-print{font-size:15px;color:var(--ink70);margin-top:20px;max-width:46em}

/* Who and facilitator */
.people{display:grid;gap:44px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{border:1.5px solid var(--cyan);color:var(--cyan);border-radius:999px;padding:9px 16px;font-size:15px}
.facilitator{padding:26px;border-radius:24px;background:var(--beige-soft)}
.facilitator h3{font-size:30px;color:var(--cyan);margin:4px 0 10px}

/* FAQ */
.faq{border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:20px 0;font-family:var(--serif);font-size:21px;color:var(--cyan);line-height:1.3;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;border-right:2px solid var(--rust);border-bottom:2px solid var(--rust);transform:rotate(45deg) translateY(-3px);transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(-135deg) translateY(-3px)}
.faq details p{padding:0 0 22px;max-width:44em}

/* Final call */
.final{text-align:left}
.final h2{max-width:14em}
.final .hero-ctas{margin-top:26px}

footer{font-size:14px;color:var(--beige)}
footer .wrap{display:flex;flex-direction:column;gap:10px;padding:36px var(--gutter) 120px}
footer .brand{font-size:19px}

/* Sticky mobile booking bar */
.book-bar{position:fixed;left:12px;right:12px;bottom:12px;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--cyan);color:var(--off);border-radius:999px;padding:8px 8px 8px 22px;box-shadow:0 12px 30px rgba(0,0,0,.3);transform:translateY(140%);transition:transform .26s cubic-bezier(.4,0,.2,1)}
.book-bar.show{transform:none}
.book-bar span{font-size:15px;line-height:1.25}
.book-bar span b{font-family:var(--serif);font-weight:400;font-size:20px;display:block}
.book-bar .btn{min-height:46px;padding:10px 22px;font-size:16px}
@media (prefers-reduced-motion:reduce){.book-bar{transition:none}}

/* Forms (manage page) */
label{display:block;font-weight:600;color:var(--cyan);margin-bottom:6px}
input{width:100%;font:17px var(--sans);padding:14px 16px;border:2px solid var(--rule);border-radius:14px;background:#fff;color:var(--ink);min-height:52px}
input:focus{outline:3px solid var(--rust);outline-offset:1px;border-color:var(--cyan)}
.panel{background:#fff;border:1px solid var(--rule);border-radius:24px;padding:24px;max-width:640px}
.notice{border-radius:14px;padding:16px 20px;background:var(--beige-soft);color:var(--cyan)}
.notice.error{background:#f6e3dc;color:#5c2200}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
[hidden]{display:none!important}

/* Larger screens */
@media (min-width:720px){
  :root{--gutter:32px}
  body{font-size:18px}
  section{padding:96px 0}
  .nav-links{display:flex}
  .hero{padding:40px 0 104px}
  .hero-ctas{flex-direction:row;flex-wrap:wrap}
  .outcomes{grid-template-columns:5fr 6fr;gap:64px;align-items:start}
  .anatomy{padding:36px 40px}
  .split-legend{grid-template-columns:repeat(3,1fr)}
  .price{grid-template-columns:1fr 1fr;gap:64px}
  .cohort{grid-template-columns:auto 1fr auto;padding:20px 24px}
  .cohort .btn{grid-column:auto}
  .people{grid-template-columns:1fr 1fr;gap:64px}
  .facilitator{padding:36px}
  .panel{padding:40px}
  footer .wrap{flex-direction:row;justify-content:space-between;padding-bottom:40px}
  .book-bar{display:none}
}
@media (min-width:980px){
  .hero-grid{grid-template-columns:1.15fr .85fr;align-items:center;gap:64px}
  .timeline{display:grid;grid-template-columns:1fr 1fr;column-gap:64px}
  .timeline::before{display:none}
  .timeline li{padding-bottom:36px}
}