/* Lost Tree Consulting — Mesa to Coast design system (v1, Oct 2026)
   Tokens mirror the Lost Tree design system artifact. */
:root{
  --dusk:#0e1a2b; --dusk-100:#16263d; --dusk-200:#22324a;
  --shell:#f6f3ee; --shell-100:#ffffff; --shell-200:#ece6dc;
  --ink-dark:#f6f3ee; --ink-dark-muted:#a9b4c4;
  --ink-light:#0e1a2b; --ink-light-muted:#4c5768;
  --line-dark:#22324a; --line-light:#dcd4c7;
  --mesa-clay:#d9734e; --ember:#ee8a5f; --gulf:#3fb6c4; --dusk-violet:#4a2f45;
  --clay-deep:#a94c2a; --gulf-deep:#1a7380;
  --font-display:"Unbounded","Arial Black",system-ui,sans-serif;
  --font-sans:"DM Sans","Helvetica Neue",Arial,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --radius-sm:4px; --radius-md:6px; --radius-lg:14px;
  --space-section:clamp(48px,8vw,96px);
  --max:1180px;
  --horizon:linear-gradient(90deg,var(--mesa-clay),var(--ember) 45%,var(--dusk-violet) 70%,var(--gulf));
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--shell);color:var(--ink-light);font:400 17px/1.65 var(--font-sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--gulf-deep);text-underline-offset:3px}
a:hover{color:var(--clay-deep)}
:focus-visible{outline:2px solid var(--gulf-deep);outline-offset:3px;border-radius:2px}
.dark :focus-visible{outline-color:var(--gulf)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ember);color:#1a0e08;padding:10px 14px;z-index:100}
.skip:focus{left:12px;top:12px}

/* Type */
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.08;letter-spacing:-.01em;text-wrap:balance;margin:0 0 .5em}
h1{font-size:clamp(34px,6vw,64px)}
h2{font-size:clamp(26px,3.6vw,40px)}
h3{font-size:clamp(19px,2vw,22px);line-height:1.2}
h4{font:600 13px/1.3 var(--font-sans);letter-spacing:.14em;text-transform:uppercase;margin:0 0 .8em}
p{margin:0 0 1em}
.lede{font-size:clamp(18px,2vw,21px);line-height:1.5;max-width:60ch}
.eyebrow{display:block;font:500 12px/1.3 var(--font-sans);letter-spacing:.16em;text-transform:uppercase;color:var(--clay-deep);margin:0 0 14px}
.dark .eyebrow{color:var(--ember)}
.muted{color:var(--ink-light-muted)}
.dark .muted{color:var(--ink-dark-muted)}
.mono{font-family:var(--font-mono)}
.small{font-size:14px}

/* Layout */
.container{max-width:var(--max);margin:0 auto;padding-inline:clamp(16px,4vw,32px)}
.section{padding-block:var(--space-section)}
.dark{background:var(--dusk);color:var(--ink-dark)}
.dark a{color:var(--gulf)}
.dark a:hover{color:var(--ember)}
.tint{background:var(--shell-200)}
.prose{max-width:68ch}
.prose h2{margin-top:1.6em;font-size:clamp(22px,2.6vw,28px)}
.prose ul,.prose ol{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g5{grid-template-columns:repeat(6,minmax(0,1fr))}.g5>*{grid-column:span 2}.g5>*:nth-child(-n+2){grid-column:span 3}
@media (max-width:980px){.g5{grid-template-columns:repeat(2,minmax(0,1fr))}.g5>*,.g5>*:nth-child(-n+2){grid-column:auto}.g3{grid-template-columns:1fr}}
@media (max-width:720px){.g2,.g5{grid-template-columns:1fr}.g5>*,.g5>*:nth-child(-n+2){grid-column:auto}}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;flex-wrap:wrap;margin-bottom:clamp(28px,4vw,48px)}
.section-head h2{margin:0;max-width:20ch}
.section-head p{margin:0;max-width:48ch}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(14,26,43,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--ink-dark);border-bottom:1px solid var(--line-dark)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink-dark);text-decoration:none}
.brand:hover{color:var(--ink-dark)}
.brand svg{width:36px;height:36px;flex:none}
.brand-word{font:600 15px/1 var(--font-display);letter-spacing:.02em}
.brand-word small{display:block;font:500 9.5px/1 var(--font-sans);letter-spacing:.24em;color:var(--ink-dark-muted);margin-top:5px}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink-dark);text-decoration:none;font-size:14.5px;font-weight:500;padding:8px 11px;border-radius:var(--radius-md)}
.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--ember)}
.nav-links .btn{margin-left:8px;padding:10px 16px}
.nav-toggle{display:none;background:none;border:1px solid var(--line-dark);color:var(--ink-dark);border-radius:var(--radius-md);padding:8px 12px;font:500 14px var(--font-sans);cursor:pointer}
@media (max-width:1020px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;left:0;right:0;top:68px;flex-direction:column;align-items:stretch;background:var(--dusk);padding:12px 16px 20px;border-bottom:1px solid var(--line-dark)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 8px;font-size:16px}
  .nav-links .btn{margin:8px 0 0;text-align:center}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:500 15px/1 var(--font-sans);padding:14px 22px;border-radius:var(--radius-md);border:1px solid transparent;text-decoration:none;cursor:pointer;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--clay-deep);color:#fff}
.btn-primary:hover{background:#8f3f22;color:#fff}
.dark .btn-primary,.site-header .btn-primary{background:var(--ember);color:#1a0e08}
.dark .btn-primary:hover,.site-header .btn-primary:hover{background:#f39d77;color:#1a0e08}
.btn-ghost{background:transparent;color:var(--ink-light);border-color:var(--ink-light)}
.dark .btn-ghost{color:var(--ink-dark);border-color:rgba(246,243,238,.6)}
.dark .btn-ghost:hover{color:var(--ink-dark);border-color:var(--ink-dark)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--dusk);color:var(--ink-dark);min-height:min(680px,88vh);display:flex;align-items:flex-end}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero .container{position:relative;z-index:1;padding-block:clamp(120px,18vh,200px) clamp(48px,8vh,88px);width:100%}
.hero h1{max-width:15ch}
.hero .lede{color:var(--ink-dark);opacity:.9;max-width:52ch;margin-bottom:28px}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:40%;background:linear-gradient(0deg,rgba(14,26,43,.85),rgba(14,26,43,0));pointer-events:none}
.page-hero{background:var(--dusk);color:var(--ink-dark);position:relative;overflow:hidden}
.page-hero .container{padding-block:clamp(64px,10vw,120px) clamp(40px,6vw,72px);position:relative;z-index:1}
.page-hero h1{max-width:18ch}
.page-hero .lede{color:var(--ink-dark);opacity:.88}
.page-hero canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.55}
.crumbs{font-size:13px;color:var(--ink-dark-muted);margin-bottom:22px}
.crumbs a{color:var(--ink-dark-muted)}
.horizon-rule{height:3px;background:var(--horizon);border:0;margin:0}

/* Proof strip */
.proof{background:var(--dusk-100);color:var(--ink-dark);border-top:1px solid var(--line-dark)}
.proof ul{list-style:none;margin:0;padding:22px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px 28px}
.proof li{font-size:14px;color:var(--ink-dark-muted);display:flex;flex-direction:column;gap:2px}
.proof b{font:600 18px/1.2 var(--font-display);color:var(--ink-dark)}

/* Cards */
.card{background:var(--shell-100);border:1px solid var(--line-light);border-radius:var(--radius-lg);padding:clamp(20px,2.4vw,28px);min-width:0}
.dark .card{background:var(--dusk-100);border-color:transparent}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}
.practice{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit;transition:transform .2s ease,border-color .2s ease}
.practice:hover{transform:translateY(-3px);border-color:var(--mesa-clay);color:inherit}
.practice .tag{font:500 11px/1 var(--font-mono);color:var(--clay-deep);letter-spacing:.06em}
.practice .ex{font-size:14px;color:var(--ink-light-muted);margin-top:auto;padding-top:10px;border-top:1px solid var(--line-light)}
.practice.feature{background:var(--dusk);color:var(--ink-dark);border-color:var(--dusk)}
.practice.feature .tag{color:var(--ember)}
.practice.feature .ex{color:var(--ink-dark-muted);border-color:var(--line-dark)}

/* Proof list */
.proof-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(24px,4vw,56px)}
.proof-list li{padding:20px 0;border-top:1px solid var(--line-dark);display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:start}
.proof-list .n{font:500 12px/1.9 var(--font-mono);color:var(--ember)}
@media (max-width:720px){.proof-list{grid-template-columns:1fr}}

/* Quote */
.quote{font:600 clamp(22px,3vw,34px)/1.25 var(--font-display);max-width:28ch;margin:0}
.quote-by{margin-top:18px;color:var(--ink-dark-muted);font-size:15px}

/* Split + photo */
.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(28px,5vw,72px);align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.photo{border-radius:var(--radius-lg);overflow:hidden;position:relative;aspect-ratio:4/5;background:var(--dusk-200)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:var(--horizon)}

/* Tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line-light);border-radius:var(--radius-lg);background:var(--shell-100)}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line-light);vertical-align:top}
th{font:500 12px/1.3 var(--font-sans);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-light-muted);background:var(--shell-200)}
tr:last-child td{border-bottom:0}
td.yr{font-family:var(--font-mono);font-size:13.5px;white-space:nowrap;color:var(--ink-light-muted)}

/* Pricing */
.price{font:600 clamp(24px,2.6vw,30px)/1.1 var(--font-display);margin:.2em 0}
.price-meta{font:500 12px/1.4 var(--font-mono);color:var(--ink-light-muted);margin-bottom:14px}
.ticks{list-style:none;padding:0;margin:0 0 18px}
.ticks li{padding:7px 0 7px 26px;position:relative;font-size:15px;border-bottom:1px solid var(--line-light)}
.ticks li:last-child{border-bottom:0}
.ticks li::before{content:"";position:absolute;left:0;top:15px;width:14px;height:2px;background:var(--mesa-clay)}
.dark .ticks li{border-color:var(--line-dark)}

/* FAQ */
.faq details{border-top:1px solid var(--line-light);padding:6px 0}
.faq details:last-child{border-bottom:1px solid var(--line-light)}
.faq summary{cursor:pointer;list-style:none;padding:16px 36px 16px 0;position:relative;font:600 17px/1.4 var(--font-sans)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font:400 26px/1 var(--font-sans);color:var(--clay-deep)}
.faq details[open] summary::after{content:"\2013"}
.faq details p{margin:0 0 18px;max-width:70ch}

/* Forms */
form .field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
label{font-weight:500;font-size:14.5px}
input,select,textarea{font:400 16px/1.4 var(--font-sans);padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--line-light);background:var(--shell-100);color:var(--ink-light);width:100%}
textarea{min-height:140px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gulf-deep);outline-offset:1px;border-color:transparent}
.hp{position:absolute;left:-9999px}

/* CTA band */
.cta-band{position:relative;overflow:hidden}
.cta-band .container{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.cta-band h2{margin:0;max-width:18ch}

/* Blog */
.post-card{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit}
.post-card:hover{color:inherit;border-color:var(--mesa-clay)}
.post-card .tag{font:500 11px/1 var(--font-mono);color:var(--clay-deep);letter-spacing:.08em;text-transform:uppercase}
.answer{border-left:0;background:var(--shell-200);border-radius:var(--radius-lg);padding:20px 24px;font-size:18px;line-height:1.55;margin:0 0 1.6em}
.author{display:flex;gap:14px;align-items:center;margin-top:2.4em;padding-top:1.4em;border-top:1px solid var(--line-light);font-size:15px}
.author img{width:56px;height:56px;border-radius:50%;object-fit:cover}

/* ROI */
.roi-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
@media (max-width:860px){.roi-grid{grid-template-columns:1fr}}
.num-row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.num-row output{font:600 16px/1 var(--font-display);color:var(--clay-deep);min-width:3.5ch;text-align:right}
input[type=range]{accent-color:var(--clay-deep);padding:0;border:0;background:transparent}
.stat-row{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line-dark);gap:12px}
.stat-row:last-child{border-bottom:0}
.stat-row .v{font:600 20px/1.2 var(--font-display);font-variant-numeric:tabular-nums}
.stat-hero .v{font-size:clamp(30px,4vw,40px);color:var(--ember)}

/* Footer */
.site-footer{background:var(--dusk);color:var(--ink-dark-muted);font-size:15px}
.site-footer .container{padding-block:56px 32px}
.site-footer h4{color:var(--ink-dark)}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer a{color:var(--ink-dark-muted);text-decoration:none}
.site-footer a:hover{color:var(--ember)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line-dark);font-size:13px;line-height:1.6}

/* Reveal */
.reveal{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
.js .reveal.pre{opacity:0;transform:translateY(14px)}
@media (prefers-reduced-motion:reduce){.js .reveal.pre{opacity:1;transform:none}}

.card.dark{background:var(--dusk);border-color:var(--dusk);color:var(--ink-dark)}
.card.dark .stat-row{border-color:var(--line-dark)}