:root{--ink:#0a1628;--ink-2:#25344a;--muted:#68758a;--blue:#246bfd;--mint:#6ee7d2;--paper:#f7f9fc;--line:#dce3eb;--white:#fff;--shadow:0 28px 80px rgba(10,22,40,.14)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font:16px/1.65 "DM Sans",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button{font:inherit}
.container{width:min(1160px,calc(100% - 48px));margin:auto}
.site-header{border-bottom:1px solid #eef1f5;background:#fff}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:11px;font:800 1.2rem/1.2 Manrope,system-ui,sans-serif;letter-spacing:-.04em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);display:grid;place-items:center}
.brand-mark svg{width:24px;height:24px}
.nav-links{display:flex;align-items:center;gap:29px;color:#45546a;font-size:.92rem;font-weight:600}
.nav-links a:hover,.footer-links a:hover{color:var(--blue)}
.nav-side{display:flex;align-items:center;gap:15px}
.language{display:grid;place-items:center;width:44px;height:44px;color:#64758a;border:1px solid transparent;border-radius:50%;transition:background .2s,color .2s,border-color .2s}
.language svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.language:hover{color:var(--ink);background:#f2f6fa;border-color:var(--line)}
.language:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.nav-toggle{display:none;background:none;border:0;padding:5px;color:var(--ink);font-size:1.45rem;line-height:1}
.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:11px 21px;border:1px solid transparent;border-radius:12px;background:var(--blue);color:#fff;font-weight:700;line-height:1.2;text-align:center}
.button:hover{background:#1657da}.button.secondary{background:#fff;color:var(--ink);border-color:#cfd9e5}.button.secondary:hover{background:#f5f8fc}
.button.pending{background:#dce5f1;color:#314158;cursor:default}
.button.small{min-height:38px;padding:8px 14px;font-size:.86rem}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 82% 12%,#dcfaf4 0,transparent 28%),linear-gradient(180deg,#fff 0%,#f6f9fd 100%);padding:82px 0 88px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.92fr);align-items:center;gap:70px}
.eyebrow,.label{display:inline-flex;align-items:center;gap:9px;text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:800;color:#277565}
.eyebrow:before{content:"";width:8px;height:8px;background:var(--mint);border-radius:50%}
h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Manrope,system-ui,sans-serif;letter-spacing:-.055em;line-height:1.12}
h1{font-size:clamp(3.25rem,5.5vw,5.4rem);margin:24px 0}
h2{font-size:clamp(2.2rem,4vw,3.65rem);margin:16px 0 22px}
h3{font-size:1.24rem;letter-spacing:-.035em}
.hero-copy>p{max-width:560px;font-size:1.15rem;color:var(--ink-2);line-height:1.75;margin-bottom:27px}
.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.fine-print{font-size:.81rem;color:var(--muted);margin:15px 0 0}
.platform-line{display:flex;align-items:center;gap:12px;margin-top:35px;padding-top:23px;border-top:1px solid var(--line);color:#506077;font-size:.86rem}
.platform-dot{width:7px;height:7px;border-radius:50%;background:#2aa78f}
.visual-stage{position:relative;min-height:620px;display:grid;place-items:center}
.visual-stage:before{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:linear-gradient(135deg,#dcecff,#e0faf4);filter:blur(2px)}
.phone{position:relative;width:310px;min-height:580px;border:8px solid #142136;border-radius:46px;background:#fff;box-shadow:var(--shadow);padding:26px 17px 18px}
.phone:before{content:"";position:absolute;top:10px;left:50%;transform:translateX(-50%);height:15px;width:84px;border-radius:12px;background:#142136}
.phone-status{display:flex;justify-content:space-between;align-items:center;font-size:.7rem;font-weight:800;padding:4px 7px 23px}
.phone-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}
.phone-header strong{font:800 1.55rem Manrope,system-ui,sans-serif;letter-spacing:-.06em}
.round-icon{width:31px;height:31px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--blue)}
.exchange-card{background:var(--ink);border-radius:19px;color:#fff;text-align:center;padding:25px 16px}
.exchange-card .mini-label{color:#b9c8dc;font-size:.69rem;letter-spacing:.12em;text-transform:uppercase}
.exchange-card strong{display:block;margin-top:9px;font-size:1.22rem}
.exchange-card .role{display:block;color:#b8c6d8;font-size:.78rem}
.qr-art{width:164px;height:164px;margin:20px auto 14px;background:#fff;border:10px solid #fff;border-radius:10px;display:grid;grid-template-columns:repeat(9,1fr);gap:3px;padding:4px}
.qr-art i{background:var(--ink);border-radius:1px}.qr-art i:nth-child(3n+2),.qr-art i:nth-child(7n){background:#fff}
.exchange-card small{color:#b9c8dc;font-size:.66rem}
.phone-action{display:block;width:100%;margin-top:16px;padding:10px;border:0;background:var(--blue);color:#fff;text-align:center;border-radius:12px;font-weight:700;font-size:.8rem;cursor:pointer}
.phone-bottom{display:flex;justify-content:space-around;margin-top:25px;padding-top:13px;border-top:1px solid var(--line);font-size:.68rem;color:#8390a2}.phone-bottom span:first-child{color:var(--blue);font-weight:800}
.float-note{position:absolute;left:-8px;bottom:75px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px 19px;box-shadow:0 16px 45px rgba(10,22,40,.13);font-size:.78rem;max-width:208px}
.float-note strong{display:block;color:var(--ink);font-size:.91rem}.float-note span{color:var(--muted)}
.visual-caption{position:absolute;right:8px;bottom:3px;font-size:.73rem;color:var(--muted)}
.section{padding:100px 0}.section.soft{background:var(--paper)}.section.dark{background:var(--ink);color:#fff}
.section-head{max-width:720px}.section-head p,.split-copy>p{color:var(--muted);font-size:1.04rem;max-width:640px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:48px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:29px;min-height:234px}
.card-number{display:grid;place-items:center;width:41px;height:41px;border-radius:11px;background:#e9f1ff;color:var(--blue);font-weight:800;margin-bottom:30px}
.card p{color:var(--muted);font-size:.92rem;margin:12px 0 0}
.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:85px}
.split-copy ul{list-style:none;padding:0;margin:28px 0 0}
.split-copy li{position:relative;padding-left:27px;margin:12px 0;color:#45546a}
.split-copy li:before{content:"✓";position:absolute;left:0;color:#278e7b;font-weight:800}
.visibility-art,.chat-art{background:#fff;border:1px solid var(--line);box-shadow:0 24px 70px rgba(10,22,40,.08);border-radius:23px;padding:27px}
.art-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:17px;border-bottom:1px solid #edf1f5;font-weight:800}
.art-top small{color:var(--blue);font-weight:700}.visibility-art>p{color:var(--muted);font-size:.78rem;margin:16px 0}
.person-row{display:flex;align-items:center;gap:12px;border-bottom:1px solid #edf1f5;padding:12px 0}
.person-row:last-child{border:0}.initial{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--ink);font-size:.78rem;font-weight:800}.person-text{flex:1;min-width:0}.person-text strong{display:block;font-size:.85rem}.person-text small{display:block;color:var(--muted);font-size:.73rem}.check{width:22px;height:22px;border-radius:50%;background:var(--blue);color:#fff;text-align:center;font-size:.8rem;line-height:22px}.check.off{background:#fff;border:2px solid #a4afbc}
.dark .label{color:var(--mint)}.dark .split-copy>p,.dark .split-copy li{color:#b5c2d2}.dark .split-copy li:before{color:var(--mint)}
.chat-art{max-width:440px;margin:auto;color:var(--ink)}.chat-art .art-top{justify-content:flex-start;gap:11px}.chat-art .art-top small{display:block;color:var(--muted);font-size:.69rem}.bubble{width:fit-content;max-width:83%;padding:10px 14px;margin:17px 0;border-radius:15px;background:#eef1f6;font-size:.83rem}.bubble.mine{margin-left:auto;background:var(--ink);color:#fff}.read{text-align:right;color:#8290a1;font-size:.68rem;margin-top:-12px}.chat-photo{margin-left:auto;width:67%;height:95px;border-radius:14px;background:linear-gradient(135deg,#d6e8fa,#f0faf8);display:flex;align-items:flex-end;padding:10px;color:#324861;font-weight:700;font-size:.74rem}.chat-input{margin-top:22px;background:#f1f4f7;border-radius:20px;padding:9px 14px;color:#99a4b3;font-size:.76rem}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px}.mini{border-left:3px solid var(--mint);padding:8px 20px}.mini h3{font-size:1.05rem}.mini p{color:var(--muted);font-size:.91rem;margin:9px 0 0}
.notice{margin-top:32px;padding:17px 21px;border-radius:14px;background:#ecf7f5;color:#315a56;font-size:.87rem}
.cta{background:linear-gradient(115deg,#eaf2ff,#e7fbf5);padding:70px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta p{color:#52657a;margin:0}.cta h2{max-width:650px}
footer{padding:36px 0 44px;border-top:1px solid var(--line)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:.83rem;color:#5e6d81}.copyright{font-size:.77rem;color:#8490a0}
@media(max-width:950px){.hero-grid{grid-template-columns:1fr;gap:20px}.hero-copy{max-width:720px}.visual-stage{min-height:580px}.split{gap:36px}.nav-links{gap:14px}}
@media(max-width:700px){.container{width:calc(100% - 32px)}.nav{min-height:66px}.nav-toggle{display:block}.nav-links{display:none;position:absolute;z-index:30;top:66px;left:0;right:0;background:#fff;padding:16px 24px 24px;box-shadow:0 18px 28px rgba(10,22,40,.12);flex-direction:column;align-items:flex-start;gap:16px}.nav-links.open{display:flex}.site-header{position:relative;z-index:40}.hero{padding:57px 0 56px}h1{font-size:clamp(2.8rem,12vw,4.4rem)}.hero-copy>p{font-size:1rem}.actions{align-items:stretch;flex-direction:column}.button{width:100%}.visual-stage{min-height:550px;overflow:hidden}.visual-stage:before{width:320px;height:320px}.phone{width:270px;min-height:510px;padding:25px 13px 14px}.exchange-card{padding:17px}.qr-art{width:135px;height:135px}.float-note{left:0;bottom:45px;max-width:150px;padding:10px}.visual-caption{bottom:2px}.section{padding:70px 0}.cards,.mini-grid,.split{grid-template-columns:1fr}.card{min-height:0}.split{gap:32px}.section.dark .split-copy{order:0}.chat-art{order:1;width:100%}.cta-inner{align-items:flex-start;flex-direction:column}.footer-inner{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* The hero walkthrough is drawn in HTML/CSS; its steps are illustrative only. */
.visual-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:745px}
.visual-stage:before{top:85px;left:50%;transform:translateX(-50%)}
.phone{z-index:1;display:flex;flex-direction:column;order:1;width:310px;min-height:575px}
.hero-screen{flex:1;animation:hero-screen-in .45s ease both}
.phone-bottom{margin-top:auto}
.float-note{position:relative;z-index:2;left:auto;bottom:auto;order:3;max-width:320px;margin-top:12px;padding:0;border:0;background:transparent;box-shadow:none;text-align:center;pointer-events:none}
.float-note strong{font-size:.83rem}.float-note span{font-size:.72rem}
.visual-caption{position:relative;right:auto;bottom:auto;order:4;margin-top:8px;text-align:center}
.hero-demo-controls{z-index:3;display:flex;align-items:center;justify-content:center;order:2;gap:8px;margin-top:22px}
.hero-demo-controls button{display:grid;place-items:center;width:38px;height:38px;padding:0;border:1px solid #b9c8d8;border-radius:50%;background:#fff;color:#52657a;font-size:.72rem;font-weight:800;cursor:pointer;box-shadow:0 4px 14px rgba(10,22,40,.06)}
.hero-demo-controls button:hover,.hero-demo-controls button:focus-visible{border-color:var(--blue);color:var(--blue)}
.hero-demo-controls .hero-demo-step[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.hero-demo-controls .hero-demo-pause{margin-left:10px;background:#eaf0f8}
.demo-kicker{margin:8px 0 16px;color:#52718b;font-size:.65rem;font-weight:800;letter-spacing:.1em}
.request-card,.visibility-card{border:1px solid var(--line);border-radius:17px;background:#fff;padding:17px}
.request-card{text-align:center;box-shadow:0 14px 30px rgba(10,22,40,.07)}
.demo-avatar{display:grid;place-items:center;width:66px;height:66px;border-radius:50%;margin:6px auto 14px;background:var(--ink);color:#fff;font-weight:800}
.request-card h3{margin:0;font-size:1.14rem}.request-card p{color:var(--muted);font-size:.76rem;margin:5px 0 18px}
.request-context{display:flex;gap:9px;align-items:center;text-align:left;border-radius:10px;padding:10px;background:#f4f8fd;color:#485b70;font-size:.72rem}
.request-context span:first-child{color:var(--blue);font-size:1.2rem}
.request-actions{display:flex;gap:8px;margin-top:20px;font-size:.72rem;font-weight:800}.request-actions button{flex:1;padding:9px 0;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-weight:800;cursor:pointer}.request-actions button[data-demo-next]{border-color:var(--blue);background:var(--blue);color:#fff}
.demo-hint{margin:17px 6px 0;color:var(--muted);font-size:.71rem;text-align:center}
.visibility-card>p{margin:0 0 8px;color:var(--muted);font-size:.72rem}
.visibility-person{display:flex;align-items:center;gap:9px;width:100%;border:0;border-top:1px solid #eef1f5;padding:11px 0;background:#fff;color:var(--ink);text-align:left;font:inherit;cursor:pointer}
.demo-person{display:grid;place-items:center;width:29px;height:29px;border-radius:50%;background:var(--ink);color:#fff;font-size:.66rem;font-weight:800}
.visibility-person>span:nth-child(2){flex:1}.visibility-person strong{display:block;font-size:.75rem}.visibility-person small{display:block;color:var(--muted);font-size:.63rem}
.visibility-person b{width:20px;height:20px;line-height:20px;text-align:center;border-radius:50%;background:var(--blue);color:#fff;font-size:.72rem}
.visibility-person b.unchecked{background:#fff;border:2px solid #adb9c6}
.hero-chat{padding-top:11px}.hero-bubble{width:fit-content;max-width:90%;padding:10px 12px;margin:10px 0;border-radius:13px;background:#eef1f6;color:var(--ink);font-size:.75rem;line-height:1.4}.hero-bubble.mine{margin-left:auto;background:var(--ink);color:#fff}
.hero-chat>small{display:block;text-align:right;color:#8e9baa;font-size:.59rem;margin-top:-6px}
.hero-photo{width:80%;height:82px;margin:13px 0 13px auto;border-radius:12px;background:linear-gradient(135deg,#d7e8f9,#e5f9f3);display:flex;align-items:end;gap:8px;padding:10px;color:#31516a;font-size:.67rem;font-weight:700}.hero-photo span{font-size:1.1rem}
.hero-message-input{display:flex;justify-content:space-between;align-items:center;margin-top:20px;border-radius:20px;background:#f1f4f8;padding:8px 12px;color:#94a1b0;font-size:.72rem}.hero-message-input button{display:grid;place-items:center;background:var(--blue);color:#fff;width:24px;height:24px;border:0;border-radius:50%;cursor:pointer}.hero-message-input button:disabled{background:#9caab9;cursor:default}
.phone-bottom span:first-child{color:#8390a2;font-weight:400}
.phone-bottom span.active{color:var(--blue);font-weight:800}
.phone button:focus-visible,.hero-demo-controls button:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
.phone [data-demo-next]:hover,.phone [data-demo-send]:hover{filter:brightness(.92)}
.phone .simulated-tap{position:relative;animation:tap-pulse .6s ease-out both}
.phone .simulated-tap:after{content:"";position:absolute;left:50%;top:50%;width:24px;height:24px;border:2px solid var(--mint);border-radius:50%;background:rgba(110,231,210,.28);pointer-events:none;animation:tap-ring .6s ease-out both}
@keyframes hero-screen-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes tap-pulse{0%{box-shadow:0 0 0 0 rgba(36,107,253,.4);transform:scale(1)}45%{box-shadow:0 0 0 9px rgba(36,107,253,.16);transform:scale(.95)}100%{box-shadow:0 0 0 17px rgba(36,107,253,0);transform:scale(1)}}
@keyframes tap-ring{0%{opacity:0;transform:translate(-50%,-50%) scale(.5)}35%{opacity:1;transform:translate(-50%,-50%) scale(1)}100%{opacity:0;transform:translate(-50%,-50%) scale(2.1)}}
@media(max-width:700px){
  .visual-stage{min-height:680px}
  .visual-stage:before{top:105px}
  .phone{width:270px;min-height:515px}
  .float-note{left:auto;bottom:auto}
  .hero-demo-controls{margin-top:20px}
}
@media(prefers-reduced-motion:reduce){.hero-screen,.phone .simulated-tap,.phone .simulated-tap:after{animation:none}}

/* Keep organizer navigation within the existing desktop header. */
@media(min-width:981px){.nav-links{gap:18px}}

@media(min-width:701px) and (max-width:1050px){.nav-toggle{display:block}.nav-links{display:none;position:absolute;z-index:30;top:76px;left:0;right:0;background:#fff;padding:20px 24px;box-shadow:0 18px 28px rgba(10,22,40,.12);flex-direction:column;align-items:flex-start;gap:16px}.nav-links.open{display:flex}.site-header{position:relative;z-index:40}}