/* chrismai.ai — app shell (homepage). Viewport-height layout: top bar, swappable panels, status bar; bottom tab bar on mobile. */
body.app{height:100dvh;overflow:hidden;background:var(--bg-alt)}
.app .shell{height:100dvh;display:grid;grid-template-rows:56px 1fr 32px}
/* Top bar */
.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:0 20px;background:var(--nav-bg);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--hair);position:relative;z-index:50}
.topbar .logo{justify-self:start}
.tabs{display:flex;gap:2px;padding:3px;border-radius:12px;background:rgba(118,118,128,.12)}
.tab{position:relative;padding:6px 16px;border-radius:9px;font-size:13px;font-weight:500;color:var(--ink);opacity:.75;text-decoration:none!important;transition:background .2s,opacity .2s,box-shadow .2s;white-space:nowrap}
.tab:hover{opacity:1}
.tab[aria-selected="true"]{opacity:1;background:var(--bg-elev);box-shadow:0 1px 3px rgba(0,0,0,.12),0 0 0 .5px rgba(0,0,0,.04)}
@media (prefers-color-scheme:dark){.tab[aria-selected="true"]{background:#3a3a3c}}
.top-actions{justify-self:end;display:flex;align-items:center;gap:8px}
.chat-toggle{display:inline-flex;align-items:center;gap:6px;border:0;cursor:pointer;font:inherit;font-size:13px;font-weight:500;color:#fff;padding:7px 14px;border-radius:980px;background:linear-gradient(135deg,#ff9f6b,#8b7bff 55%,#3ad0b5);box-shadow:0 4px 14px -6px rgba(106,76,240,.6);transition:transform .15s,filter .2s}
.chat-toggle:hover{filter:brightness(1.06)}.chat-toggle:active{transform:scale(.97)}
.chat-toggle.is-open{background:var(--ink);color:var(--bg)}
.signin-btn{font-size:13px;font-weight:500;padding:7px 14px;border-radius:980px;background:var(--btn);color:#fff!important;text-decoration:none!important}
.signin-btn:hover{background:var(--btn-h)}
/* Stage + panels */
.stage{position:relative;overflow:hidden;outline:none}
.panel > *{flex-shrink:0}
.panel{position:absolute;inset:0;overflow:auto;padding:clamp(24px,4vh,48px) var(--pad-x);outline:none;display:flex;flex-direction:column;justify-content:center}
.motion .panel.is-active{animation:panelIn .45s var(--ease)}
@keyframes panelIn{from{opacity:0;transform:translateY(8px)}}
.panel-head{margin:0 0 24px}
.panel-head h2{font-size:clamp(30px,3.4vw,44px);line-height:1.08;letter-spacing:-.02em;font-weight:700}
.panel-head p{color:var(--ink-2);font-size:17px;margin-top:6px}
.panel-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.panel-head .billing{margin:0}
.kicker{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);margin-bottom:12px}
/* Home */
.app-hero{flex-direction:row;align-items:center;gap:40px;background:radial-gradient(70% 60% at 85% 40%,rgba(139,123,255,.14),transparent 70%),radial-gradient(50% 50% at 10% 90%,rgba(255,159,107,.12),transparent 70%),var(--bg)}
.hero-grid{position:absolute;left:0;right:0;bottom:0;height:45%;pointer-events:none;background-image:linear-gradient(var(--hair) 1px,transparent 1px),linear-gradient(90deg,var(--hair) 1px,transparent 1px);background-size:var(--grid-size,44px) var(--grid-size,44px);transform:perspective(600px) rotateX(var(--grid-tilt,60deg));transform-origin:bottom;-webkit-mask-image:linear-gradient(to top,#000,transparent 85%);mask-image:linear-gradient(to top,#000,transparent 85%);opacity:.7}
.hero-copy{position:relative;flex:1.2;max-width:640px}
.hero-h{font-size:clamp(44px,6.4vw,88px);line-height:1.02;letter-spacing:-.025em;font-weight:700}
.hero-sub{font-size:clamp(19px,1.7vw,24px);line-height:1.3;color:var(--ink-2);margin:18px 0 28px;max-width:30ch;text-wrap:balance}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.chips{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.chips li{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:16px;background:var(--bg-elev);border:1px solid var(--hair);font-size:13px;line-height:1.35;color:var(--ink-2);box-shadow:var(--shadow-1)}
.chips b{color:var(--ink);font-weight:600}
.chips em{font-style:normal}
.chip-ico{flex:none;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--warm),var(--ai-soft))}
.hero-art{position:relative;flex:1;display:grid;place-items:center;min-width:0}
.hero-art .orb{position:relative;left:auto;top:auto;transform:none;width:min(340px,28vw);aspect-ratio:1;border-radius:50%;filter:saturate(1.05);box-shadow:0 40px 90px -30px rgba(106,76,240,.45)}
.motion .hero-art .orb{animation:float 9s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-12px)}}
/* Work */
.work-grid{display:grid;grid-template-columns:1.5fr 1fr;grid-template-rows:1fr 1fr;gap:16px;min-height:0;max-height:560px;flex:1}
.wcard{position:relative;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;padding:24px;border-radius:24px;background:var(--bg-elev);border:1px solid var(--hair);color:var(--ink);text-decoration:none!important;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.wcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.wcard h3{font-size:24px;letter-spacing:-.02em}
.wcard p{color:var(--ink-2);font-size:15px;line-height:1.4;max-width:40ch}
.wcard .tag{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.wcard .more{color:var(--link);font-size:15px;margin-top:4px}
.wcard-feature{grid-row:span 2;padding:0;justify-content:flex-start;background:#1e1640;color:#fff;border:0}
.wcard-feature .wcard-art{flex:1;min-height:0;overflow:hidden}
.wcard-feature .wcard-art img{width:100%;height:100%;object-fit:cover;object-position:60% 80%}
.wcard-feature .wcard-body{padding:22px 24px 24px;display:grid;gap:6px;background:linear-gradient(transparent,rgba(10,6,24,.6))}
.wcard-feature p,.wcard-feature .tag{color:rgba(255,255,255,.75)}
.wcard-feature .more{color:#ffc29e}
.wcard-dark{background:#0b0d17;color:#f5f5f7;border-color:rgba(255,255,255,.08)}
.wcard-dark p,.wcard-dark .tag{color:#a1a1a6}.wcard-dark .more{color:#2997ff}
.wcard-dark::before{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(139,123,255,.45),transparent 65%)}
/* Pricing */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
.tier{position:relative;display:flex;flex-direction:column;padding:26px 24px 20px;border-radius:24px;background:var(--bg-elev);border:1px solid var(--hair);box-shadow:var(--shadow-1)}
.tier-main{background:linear-gradient(var(--bg-elev),var(--bg-elev)) padding-box,var(--spark) border-box;border:2px solid transparent}
.tier-flag{position:absolute;top:-11px;left:22px;font-size:11px;font-weight:600;padding:4px 10px;border-radius:980px;background:var(--ink);color:var(--bg)}
.tier h3{font-size:21px;letter-spacing:-.015em}
.tier-desc{color:var(--ink-2);font-size:14px;line-height:1.4;margin-top:6px;min-height:2.8em}
.tier-price{margin:16px 0 2px;display:flex;align-items:baseline;gap:4px}
.tier-price .amt{font-size:44px;font-weight:700;letter-spacing:-.03em;line-height:1}
.tier-price .per,.tier-price .from{color:var(--ink-2);font-size:16px}
.tier-note{font-size:13px;color:var(--ink-2);min-height:2.6em}
.tier-feat{list-style:none;margin:14px 0 18px;padding:0;display:grid;gap:8px;font-size:14px;flex:1;align-content:start}
.tier-feat li{display:flex;gap:8px;align-items:flex-start}
.tier-feat li::before{content:"";flex:none;width:16px;height:16px;margin-top:2px;border-radius:50%;background:var(--ai-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.3l2.2 2.2 4.8-5' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
.tier .btn{width:100%}
.tier-test{font-size:12px;color:var(--ink-2);text-align:center;margin-top:10px}
/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;max-width:1068px;width:100%;margin:0 auto}
.about-h{font-size:clamp(32px,3.6vw,48px);line-height:1.06;letter-spacing:-.02em;font-weight:700;margin-bottom:18px}
.about-p{font-size:17px;line-height:1.5;color:var(--ink-2);margin-bottom:12px;max-width:44ch}
/* Contact */
.contact-card{display:grid;grid-template-columns:1fr 1.15fr;gap:0;max-width:960px;width:100%;margin:0 auto;border-radius:28px;background:var(--bg-elev);border:1px solid var(--hair);box-shadow:var(--shadow-2);overflow:hidden}
.contact-main{padding:40px 36px;display:flex;flex-direction:column;justify-content:center;background:radial-gradient(90% 80% at 0% 0%,rgba(255,159,107,.16),transparent 60%),radial-gradient(90% 80% at 100% 100%,rgba(139,123,255,.18),transparent 60%)}
.contact-main h2{font-size:clamp(32px,3.4vw,44px);letter-spacing:-.02em;font-weight:700}
.contact-main > p{color:var(--ink-2);margin:8px 0 26px;font-size:17px}
.btn-xl{min-height:56px;font-size:19px;padding:14px 28px;gap:10px;align-self:flex-start}
.contact-email{margin-top:16px!important;font-size:15px;color:var(--ink-2)}
.contact-email a{font-weight:600}
.contact-card .contact-form{padding:32px 32px 26px;border-left:1px solid var(--hair);display:grid;gap:12px;align-content:center}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.contact-card .contact-form .btn{width:100%;justify-self:stretch}
.contact-card .form-note{text-align:center}
/* Status bar (holds the clock) */
.statusbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 20px;font-size:12px;color:var(--ink-2);border-top:1px solid var(--hair);background:var(--nav-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);white-space:nowrap;overflow:hidden}
.statusbar a{color:var(--ink)}
.statusbar .hint{margin:0}
.statusbar kbd{font-size:11px}
.app .clock{position:static;box-shadow:none;background:none;border:0;padding:0;color:var(--ink-2);font-size:12px;-webkit-backdrop-filter:none;backdrop-filter:none}
.app .clock .build{color:var(--ink-2)}
.app .clock #clock-time{color:var(--ink)}
/* One chat entry point: hide floating bubble; anchor panel under the top bar */
.app .chat-bubble{display:none!important}
.app .chat-panel{top:64px;right:16px;bottom:auto;max-height:calc(100dvh - 112px)}
.tabbar{display:none}
/* Shorter laptop screens */
@media (max-height:760px) and (min-width:821px){.chips{margin-top:24px}.hero-sub{margin:12px 0 20px}.tier{padding:22px 20px 16px}.tier-feat{margin:10px 0 14px}.panel-head{margin-bottom:16px}}
/* Tablet */
@media (max-width:1100px) and (min-width:821px){.tab{padding:6px 11px}.chips{grid-template-columns:1fr}.hero-art .orb{width:30vw}}
/* Mobile: native-style bottom tab bar */
@media (max-width:820px){
  .app .shell{grid-template-rows:52px 1fr 26px calc(58px + env(safe-area-inset-bottom))}
  .topbar{grid-template-columns:1fr auto;padding:0 14px}
  .tabs{display:none}
  .chat-toggle span{display:none}.chat-toggle{padding:8px}
  .panel{justify-content:flex-start;padding:22px 18px 24px}
  .app-hero{flex-direction:column-reverse;justify-content:center;gap:8px;text-align:left}
  .hero-art{position:absolute;right:0;top:0;width:200px;height:250px;overflow:hidden;display:flex;align-items:center;justify-content:flex-end;flex:none;align-self:auto;pointer-events:none}
  .hero-art .orb{margin-right:-40px;flex:none}
  .hero-art .orb{width:150px;opacity:.95}
  .hero-art .orb::before{inset:-30px}.hero-art .orb::after{inset:-14px}
  .hero-copy{position:relative;z-index:1}
  .hero-h{font-size:44px}
  .hero-sub{font-size:18px;margin:12px 0 20px}
  .hero-ctas .btn{flex:1}
  .chips{grid-template-columns:repeat(3,1fr);margin-top:22px;gap:8px}
  .chips li{flex-direction:column;align-items:flex-start;gap:8px;padding:12px}
  .chips em{display:none}
  .work-grid{grid-template-columns:1fr;grid-template-rows:auto;max-height:none;flex:none}
  .work-grid{gap:12px}
  .wcard{padding:18px}
  .wcard h3{font-size:20px}
  .wcard-feature{grid-row:auto;height:194px}
  .wcard-feature{padding:0;justify-content:flex-end}
  .wcard-feature .wcard-art{position:absolute;inset:0}
  .wcard-feature .wcard-body{position:relative;padding:40px 18px 16px;gap:4px;background:linear-gradient(transparent,rgba(10,6,24,.85) 55%)}
  .wcard-feature p{display:none}
  .panel-head{margin-bottom:16px}
  .panel-head.row{align-items:flex-start;flex-direction:column;gap:12px}
  .tiers{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:84%;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -18px;padding:14px 18px 6px;scrollbar-width:none}
  .tiers::-webkit-scrollbar{display:none}
  .tier{scroll-snap-align:center}
  .swipe-hint{display:block!important}
  .tier-desc,.tier-note{min-height:0}
  .tier-feat{margin:10px 0 14px}
  .about-grid{grid-template-columns:1fr;gap:24px}
  .contact-card{grid-template-columns:minmax(0,1fr);min-width:0;max-width:100%}
  .contact-main{padding:22px 20px}
  .contact-main > p{margin:6px 0 16px;font-size:15px}
  .contact-email{margin-top:10px!important}
  .btn-xl{align-self:stretch}
  .contact-card .contact-form{border-left:0;border-top:1px solid var(--hair);padding:16px 20px 14px;gap:8px}
  .form-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}
  .contact-card input,.contact-card textarea{min-width:0;width:100%}
  .contact-card textarea{min-height:72px;height:72px}
  .statusbar{padding:0 14px;font-size:11px}
  .statusbar .hint,.app .clock .build,.app .clock #clock-date{display:none}
  .tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;height:calc(58px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--nav-bg);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-top:1px solid var(--hair);z-index:60}
  .mtab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10.5px;font-weight:500;color:var(--ink-2);text-decoration:none!important}
  .mtab[aria-current]{color:var(--btn)}
  @media (prefers-color-scheme:dark){.mtab[aria-current]{color:#2997ff}}
  .app .chat-panel{top:60px;left:10px;right:10px;width:auto;bottom:calc(92px + env(safe-area-inset-bottom));max-height:none}
}
.swipe-hint{display:none;font-size:12px;color:var(--ink-2);text-align:center;margin-top:10px}