/* Letterbot Site — Premium Dark · Updated March 2026 */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Source+Sans+3:ital,wght@0,300;0,400;0,500;0,600;1,300&family=JetBrains+Mono:wght@400;500&display=swap');
:root{--ink:#090e17;--ink2:#0e1520;--ink3:#141c28;--ink4:#1c2535;--line:rgba(255,255,255,.07);--line2:rgba(255,255,255,.12);--amber:#f59e0b;--amber2:#d97706;--amber-glow:rgba(245,158,11,.15);--teal:#14d9c4;--green:#4ade80;--red:#f87171;--blue:#60a5fa;--text:#e8eaf2;--muted:rgba(232,234,242,.5);--muted2:rgba(232,234,242,.28);--surface:rgba(255,255,255,.04);--surface2:rgba(255,255,255,.065);--radius:10px;--radius2:16px;--shadow:0 12px 48px rgba(0,0,0,.55);--font-h:'Outfit',sans-serif;--font-b:'Source Sans 3',sans-serif;--font-m:'JetBrains Mono',monospace}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:var(--font-b);background:var(--ink);color:var(--text);line-height:1.68;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--amber);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}ul,ol{list-style:none}
code,kbd{font-family:var(--font-m);font-size:.82em;background:rgba(244,158,11,.1);border:1px solid rgba(244,158,11,.18);border-radius:4px;padding:1px 6px;color:var(--amber)}
body::before{content:'';position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");pointer-events:none;z-index:0;opacity:.6}
body>*{position:relative;z-index:1}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}.section{padding:80px 0}.section-sm{padding:48px 0}.section-alt{background:var(--ink2)}
.section-kicker{font-family:var(--font-m);font-size:13px;letter-spacing:1px;text-transform:uppercase;color:var(--amber);margin-bottom:12px;opacity:.8}
.lead{font-size:1.15rem;color:var(--muted);max-width:700px;margin-bottom:32px}.cta-center{text-align:center;margin-top:40px}
.nav{position:sticky;top:0;z-index:100;background:rgba(9,14,23,.88);backdrop-filter:blur(18px) saturate(1.2);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:0;height:58px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-h);font-weight:700;font-size:17px;color:var(--text);letter-spacing:-.2px;white-space:nowrap;text-decoration:none;margin-right:24px}
.brand:hover{text-decoration:none}
.brand-icon{width:30px;height:30px;border-radius:7px;background:var(--amber);display:grid;place-items:center;font-size:14px;flex-shrink:0;box-shadow:0 2px 8px rgba(245,158,11,.4)}
.brand-sub{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:.5px;line-height:1;margin-top:2px}
.nav-links{display:flex;gap:6px;flex:1;flex-wrap:wrap}.nav-links a{font-size:14px;font-weight:500;color:var(--muted);padding:6px 10px;border-radius:6px;transition:all .15s;text-decoration:none}
.nav-links a:hover{color:var(--text);background:var(--surface2)}.nav-actions{display:flex;gap:8px;margin-left:auto}
.burger{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--amber);color:#1a0f00;font-family:var(--font-h);font-weight:600;font-size:15px;padding:10px 22px;border-radius:8px;transition:all .2s;text-decoration:none;border:none;cursor:pointer;box-shadow:0 2px 12px rgba(245,158,11,.3)}
.btn-primary:hover{background:var(--amber2);text-decoration:none;transform:translateY(-1px);box-shadow:0 4px 20px rgba(245,158,11,.4)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--text);font-family:var(--font-h);font-weight:500;font-size:15px;padding:10px 22px;border-radius:8px;border:1px solid var(--line2);transition:all .2s;text-decoration:none;cursor:pointer}
.btn-ghost:hover{background:var(--surface2);text-decoration:none;border-color:var(--amber)}.btn-sm{padding:7px 16px;font-size:13px}.btn-lg{padding:14px 28px;font-size:16px}
.hero{padding:80px 0 60px;background:linear-gradient(180deg,var(--ink) 0%,var(--ink2) 100%)}
.hero-inner{display:grid;grid-template-columns:1fr 380px;gap:60px;align-items:center}
.hero-kicker{font-family:var(--font-m);font-size:13px;letter-spacing:1px;color:var(--amber);opacity:.8;margin-bottom:16px}
.hero h1{font-family:var(--font-h);font-size:clamp(32px,4.5vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.5px;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--teal)}.hero h1 strong{color:var(--amber)}
.hero-sub{font-size:1.05rem;color:var(--muted);margin-bottom:16px;max-width:560px}
.hero-btns{display:flex;gap:12px;margin:28px 0 24px;flex-wrap:wrap}
.hero-badges{display:flex;gap:16px;flex-wrap:wrap}.hero-badges li{font-size:13px;color:var(--muted);padding:4px 12px;border-radius:20px;background:var(--surface);border:1px solid var(--line)}
.phone-mock{background:var(--ink3);border:1px solid var(--line2);border-radius:var(--radius2);padding:16px;box-shadow:var(--shadow);max-width:380px}
.phone-header{display:flex;align-items:center;gap:8px;font-family:var(--font-h);font-weight:600;font-size:14px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:12px}
.phone-icon{width:24px;height:24px;border-radius:6px;background:var(--amber);display:grid;place-items:center;font-size:12px}
.phone-status{font-size:11px;color:var(--green);margin-left:auto}
.msg{background:var(--surface2);border-radius:var(--radius);padding:12px;margin-bottom:8px;position:relative;border-left:3px solid transparent}
.msg-urgent{border-left-color:var(--red)}.msg-important{border-left-color:var(--amber)}.msg-digest{border-left-color:var(--blue)}
.msg-badge{font-size:11px;font-weight:600;margin-bottom:6px;opacity:.8}.msg p{font-size:13px;line-height:1.5;margin-bottom:2px}
.msg-action{color:var(--teal)}.msg-file{font-size:12px;color:var(--muted);margin-top:4px}
.msg-btns{display:flex;gap:4px;margin-top:8px;flex-wrap:wrap}
.btn-tag{font-size:11px;padding:3px 8px;border-radius:4px;background:var(--surface);border:1px solid var(--line);color:var(--muted)}
.btn-tag.red{border-color:rgba(248,113,113,.3);color:var(--red)}.btn-tag.yellow{border-color:rgba(245,158,11,.3);color:var(--amber)}
.msg-time{position:absolute;right:12px;top:12px;font-size:11px;color:var(--muted2)}
.stats-bar{background:var(--ink3);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-val{display:block;font-family:var(--font-h);font-size:28px;font-weight:700;color:var(--amber)}.stat-label{font-size:13px;color:var(--muted)}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius2);padding:28px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--amber);transform:translateY(-2px)}.card-icon{font-size:28px;display:block;margin-bottom:12px}
.card h3{font-family:var(--font-h);font-size:18px;font-weight:600;margin-bottom:10px}.card p{font-size:14px;color:var(--muted);line-height:1.6}
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.card-sm{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;transition:border-color .2s}
.card-sm:hover{border-color:var(--amber)}.card-sm span{font-size:22px;display:block;margin-bottom:8px}
.card-sm h4{font-family:var(--font-h);font-size:15px;font-weight:600;margin-bottom:6px}.card-sm p{font-size:13px;color:var(--muted);line-height:1.55}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:36px}.step{text-align:center;padding:24px}
.step-num{display:inline-flex;width:48px;height:48px;border-radius:50%;background:var(--amber-glow);border:2px solid var(--amber);font-family:var(--font-h);font-weight:700;font-size:20px;color:var(--amber);align-items:center;justify-content:center;margin-bottom:16px}
.step h3{font-family:var(--font-h);font-size:17px;font-weight:600;margin-bottom:10px}.step p{font-size:14px;color:var(--muted);line-height:1.6}
.routing-diagram{display:flex;align-items:center;justify-content:center;gap:32px;margin-top:40px;flex-wrap:wrap}
.route-col{min-width:200px}.route-col h4{font-family:var(--font-m);font-size:11px;letter-spacing:1px;color:var(--muted);margin-bottom:12px}
.route-item{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 16px;margin-bottom:8px;font-size:14px}
.route-more{color:var(--teal);font-style:italic;border-style:dashed}
.route-arrow{text-align:center;font-size:24px;color:var(--amber);font-family:var(--font-m);line-height:1.8}
.route-arrow span{font-size:13px;color:var(--teal);display:block}
.faq-list{max-width:800px;margin-top:32px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:8px;overflow:hidden;transition:border-color .2s}
.faq-item:hover{border-color:var(--line2)}.faq-item[open]{border-color:var(--amber)}
.faq-item summary{font-family:var(--font-h);font-weight:600;font-size:16px;padding:16px 20px;cursor:pointer;display:flex;align-items:center;gap:12px;list-style:none}
.faq-item summary::before{content:'+';font-size:16px;color:var(--amber);flex-shrink:0;width:24px;text-align:center;transition:transform .2s}
.faq-item[open] summary::before{content:'−'}.faq-item summary::-webkit-details-marker{display:none}
.faq-item p{padding:0 20px 16px 56px;font-size:15px;color:var(--muted);line-height:1.7}
.donate-strip{background:linear-gradient(135deg,var(--ink3) 0%,var(--ink4) 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.donate-inner{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.donate-lead{font-size:14px;color:var(--muted);margin-bottom:8px}
.donate-text h2{font-family:var(--font-h);font-size:28px;font-weight:700;margin-bottom:12px}
.donate-text p{font-size:15px;color:var(--muted);margin-bottom:16px;max-width:560px}.donate-btns{display:flex;gap:10px;flex-wrap:wrap}
.donate-qr{padding:16px;background:white;border-radius:var(--radius);box-shadow:0 4px 20px rgba(0,0,0,.3)}
.footer{background:var(--ink);border-top:1px solid var(--line);padding:60px 0 32px}
.footer-inner{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px}
.footer-brand p{font-size:14px;color:var(--muted);margin:12px 0}.footer-social{display:flex;gap:12px}
.footer-social a{font-size:13px;color:var(--muted)}.footer-social a:hover{color:var(--amber)}
.footer-col h4{font-family:var(--font-h);font-size:13px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:var(--muted);margin-bottom:8px;text-decoration:none}.footer-col a:hover{color:var(--amber)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted2)}
.footer-meta{font-family:var(--font-m);font-size:12px}
.intro-block{max-width:720px;margin-bottom:32px}.intro-block h2{font-family:var(--font-h);font-size:28px;font-weight:700;margin-bottom:16px}
.intro-block p{font-size:16px;color:var(--muted);line-height:1.7;margin-bottom:12px}
.page-hero{padding:48px 0 32px;border-bottom:1px solid var(--line)}
.page-hero h1{font-family:var(--font-h);font-size:36px;font-weight:700;margin-bottom:12px}
.page-hero p{font-size:16px;color:var(--muted);max-width:640px}.page-content{padding:48px 0}
.page-content h2{font-family:var(--font-h);font-size:24px;font-weight:700;margin:40px 0 16px}
.page-content h3{font-family:var(--font-h);font-size:19px;font-weight:600;margin:28px 0 12px}
.page-content p{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:14px;max-width:720px}
.page-content ul{margin:12px 0 20px 24px}.page-content li{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:6px;list-style:disc}
.page-content table{width:100%;border-collapse:collapse;margin:20px 0}
.page-content th,.page-content td{padding:12px 16px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
.page-content th{font-family:var(--font-h);font-weight:600;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;background:var(--surface)}
.page-content td{color:var(--muted)}.check{color:var(--green)}.cross{color:var(--red)}
pre{background:var(--ink3);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;overflow-x:auto;margin:16px 0}
pre code{background:none;border:none;padding:0;font-size:13px;color:var(--text);line-height:1.7}
.support-hero{text-align:center;padding:64px 0}.support-hero h1{font-size:36px;margin-bottom:16px}
.support-methods{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}
.support-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius2);padding:32px;text-align:center;transition:border-color .2s}
.support-card:hover{border-color:var(--amber)}.support-card h3{font-family:var(--font-h);font-size:20px;margin:16px 0 10px}
.support-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
@media(max-width:900px){.hero-inner{grid-template-columns:1fr;text-align:center}.hero-demo{display:flex;justify-content:center}.hero-sub{margin-left:auto;margin-right:auto}.hero-btns{justify-content:center}.hero-badges{justify-content:center}.cards-3,.cards-grid,.steps{grid-template-columns:1fr}.stats-inner{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr 1fr}.donate-inner{grid-template-columns:1fr;text-align:center}.donate-qr{margin:0 auto}.routing-diagram{flex-direction:column}.support-methods{grid-template-columns:1fr}}
@media(max-width:700px){.nav-links,.nav-actions{display:none}.burger{display:block}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:58px;left:0;right:0;background:var(--ink);border-bottom:1px solid var(--line);padding:16px 24px;gap:4px}.nav-actions.open{display:flex;position:absolute;top:58px;left:0;right:0;background:var(--ink);padding:0 24px 16px}.stats-inner{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:8px;text-align:center}}

/* --- rebuild additions --- */
.hero-proof{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero-note{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 10px}
.hero-note span{font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted)}
.install-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.install-pill{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px}
.install-pill strong{display:block;font-family:var(--font-h);font-size:15px;margin-bottom:6px}
.install-pill small{color:var(--muted);font-size:13px;line-height:1.5}
.proof-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:28px}
.screenshot-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.screenshot-card img{display:block;width:100%;height:auto}
.screenshot-copy{padding:18px 20px}
.screenshot-copy h3{font-family:var(--font-h);font-size:18px;margin-bottom:8px}
.screenshot-copy p{font-size:14px;color:var(--muted);line-height:1.65}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px}
.kpi b{display:block;font-family:var(--font-h);font-size:28px;color:var(--amber);margin-bottom:6px}
.kpi span{font-size:13px;color:var(--muted)}
.fit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:28px}
.fit-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px}
.fit-card h3{font-family:var(--font-h);font-size:21px;margin-bottom:10px}
.fit-card ul{margin:12px 0 0 20px}
.fit-card li{color:var(--muted);margin-bottom:8px}
.fit-card.bad{border-style:dashed}
.link-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.section-compact{padding:70px 0}
.callout{background:linear-gradient(135deg,var(--surface) 0%,rgba(17,24,39,.92) 100%);border:1px solid var(--line2);border-radius:24px;padding:28px}
.callout h2{margin-bottom:12px}
.callout p{max-width:none}
.list-check{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 24px;margin-top:18px}
.list-check li{list-style:none;position:relative;padding-left:22px;color:var(--muted)}
.list-check li::before{content:"✓";position:absolute;left:0;color:var(--green)}
.meta-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px}
.meta-links a{font-size:14px;color:var(--teal)}
.page-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin:28px 0}
.page-gallery figure{background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.page-gallery img{display:block;width:100%;height:auto}
.page-gallery figcaption{padding:16px 18px;color:var(--muted);font-size:14px;line-height:1.6}
.proof-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
.proof-link{display:block;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;transition:border-color .2s,transform .2s}
.proof-link:hover{border-color:var(--amber);transform:translateY(-2px)}
.proof-link strong{display:block;color:var(--text);margin-bottom:6px}
.proof-link span{display:block;color:var(--muted);font-size:13px;line-height:1.5}
.note-box{border-left:3px solid var(--amber);background:rgba(245,158,11,.06);padding:16px 18px;border-radius:0 14px 14px 0;margin:18px 0;color:var(--muted)}
@media(max-width:900px){
  .hero-proof,.proof-grid,.fit-grid,.page-gallery,.proof-links,.kpi-row,.list-check,.install-strip{grid-template-columns:1fr}
}