.section-heading{max-width:1040px;margin-bottom:49px}
.section-heading p{font-size:1.08rem;line-height:1.68;max-width:590px}
.section-heading-split{max-width:none;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px;align-items:end}
.section-heading-split p{margin:0 0 10px}
.overview{background:#fff}
.route-card{background:#f2f5f2;border:1px solid #e1e7e2;border-radius:var(--radius);padding:47px 37px;display:grid;grid-template-columns:1fr .62fr 1fr .62fr 1fr .62fr 1fr;gap:12px;align-items:center}
.route-step{text-align:center;display:flex;flex-direction:column;align-items:center;gap:5px;min-width:0}
.route-step strong{font-size:.96rem}
.route-step small{font-size:.75rem;color:#71807d}
.route-icon{height:72px;width:72px;background:#fff;border:1px solid #d7e1dc;border-radius:22px;display:grid;place-items:center;margin-bottom:12px;box-shadow:0 8px 18px rgba(28,55,49,.05)}
.route-icon span{position:relative;display:block}
.phone-icon span{width:25px;height:43px;border:3px solid #1c4e47;border-radius:6px}
.phone-icon span:after{content:"";position:absolute;bottom:3px;left:8px;width:4px;height:4px;border-radius:50%;background:#1c4e47}
.node-icon span,.relay-icon span,.receive-icon span{width:28px;height:39px;border:3px solid #1c4e47;border-radius:7px;background:linear-gradient(#c9e5d2,#c9e5d2) center 8px/16px 16px no-repeat}
.relay-icon span:before{content:"";position:absolute;width:5px;height:15px;background:#1c4e47;top:-17px;left:9px;border-radius:3px}
.receive-icon span{border-color:#bd6747}
.route-connector{align-self:center;transform:translateY(-14px);text-align:center;color:#68827b;font-size:.67rem;font-weight:700}
.route-connector i{display:block;height:1px;background:#8caaa2;margin-top:9px;position:relative}
.route-connector i:after{content:"";position:absolute;right:0;top:-3px;width:6px;height:6px;border-top:1px solid #8caaa2;border-right:1px solid #8caaa2;transform:rotate(45deg)}
.connector-radio i{background:repeating-linear-gradient(90deg,#8caaa2 0 4px,transparent 4px 8px)}
.route-note{font-size:.85rem;margin:20px 0 0;line-height:1.6}
.features{background:#eaf0eb}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.feature-card{background:#fff;border:1px solid #dae4dc;border-radius:18px;min-height:340px;padding:28px;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 18px 35px rgba(14,48,36,.08)}
.feature-card-large{background:#143d39;color:#fff;border-color:#143d39}
.feature-number{font-size:.66rem;font-weight:800;letter-spacing:.14em;color:#5e7268}
.feature-card-large .feature-number{color:#95b9a7}
.feature-card svg{width:43px;height:43px;margin:58px 0 25px;fill:none;stroke:#2f6e61;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.feature-card-large svg{stroke:#c7e7d0}
.feature-card h3{font-size:1.5rem;margin-bottom:13px}
.feature-card p{font-size:.88rem;line-height:1.65;margin-bottom:0}
.feature-card-large p{color:#bdd4cb}
.roles{background:var(--paper)}
.role-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:10px}
.role-tab{text-align:left;border:1px solid #d8e0db;background:#fff;padding:19px 22px;border-radius:13px;cursor:pointer;font-size:1.4rem;letter-spacing:-.04em;font-weight:750;color:#2c4440;display:flex;align-items:baseline;gap:12px;transition:background .2s,color .2s}
.role-tab>span{font-size:.65rem;letter-spacing:.1em;color:#899d93}
.role-tab small{margin-left:auto;font-size:.74rem;font-weight:600;letter-spacing:0;color:#64746b}
.role-tab[aria-selected=true]{background:#143d39;color:#fff;border-color:#143d39}
.role-tab[aria-selected=true] small{color:#bdd6c8}
.role-panel{display:grid;grid-template-columns:1fr 1fr;background:#e5ede5;border-radius:19px;min-height:490px;overflow:hidden}
.role-panel[hidden]{display:none}
.role-device{background:radial-gradient(circle at center,#cadfcd 0,#a5c3ab 50%,#8ba997 100%);display:flex;justify-content:center;align-items:center;flex-direction:column;gap:36px;position:relative;min-height:500px;overflow:hidden}
.role-device:before,.role-device:after{content:"";position:absolute;width:450px;height:450px;border:1px solid rgba(255,255,255,.38);border-radius:50%}
.role-device:after{width:660px;height:660px}
.device-large{z-index:1;transform:scale(1.12)}
.role-device-label{position:absolute;bottom:25px;left:26px;color:#385e4e;font-size:.67rem;letter-spacing:.17em;font-weight:750;z-index:1}
.role-copy{padding:clamp(42px,5.5vw,88px);display:flex;flex-direction:column;justify-content:center}
.role-index{font-size:.72rem;letter-spacing:.14em;font-weight:800;color:#4f7d64}
.role-copy h3{font-size:clamp(1.8rem,2.8vw,3rem);margin:23px 0 20px}
.role-copy p{font-size:1rem;line-height:1.75;max-width:490px}
.role-copy ul{list-style:none;padding:0;margin:20px 0 0;border-top:1px solid #c4d4c7}
.role-copy li{padding:10px 0;border-bottom:1px solid #c4d4c7;font-size:.87rem;font-weight:650}
.roadmap{background:#fff}
.roadmap .section-heading{max-width:none}
.roadmap-heading-copy{display:flex;flex-direction:column;align-items:flex-start;gap:15px}
.roadmap-heading-copy p{margin:0}
.roadmap-badge{display:inline-flex;align-items:center;min-height:30px;padding:5px 11px;border:1px solid #a9c7b3;border-radius:999px;background:#e8f3e9;color:#194936;font-size:.72rem;font-weight:800;letter-spacing:.04em}
.roadmap-context{margin:0 0 18px;color:#53685e;font-size:.86rem;line-height:1.6}
.roadmap-context span{padding:0 8px;color:#6a8376}
.roadmap-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-width:560px;margin-bottom:14px}
.roadmap-tab{min-height:56px;padding:12px 18px;border:1px solid #b7cbbd;border-radius:12px;background:#f7faf6;color:#163837;font:inherit;font-size:.98rem;font-weight:750;text-align:center;cursor:pointer;transition:background .2s,color .2s,border-color .2s,box-shadow .2s}
.roadmap-tab:hover{border-color:#438669;background:#edf5ed}
.roadmap-tab[aria-selected=true]{background:#143d39;border-color:#143d39;color:#fff;box-shadow:0 5px 16px rgba(16,55,49,.14)}
.roadmap-tab:focus-visible{outline:3px solid #e97d51;outline-offset:3px}
.roadmap-panel[hidden]{display:none}
.roadmap-intro{background:linear-gradient(115deg,#102d34,#1c4a42);border-radius:17px;color:#fff;padding:26px 30px;margin-bottom:12px}
.roadmap-intro span{font-size:.63rem;font-weight:800;letter-spacing:.13em;color:#f5a37e}
.roadmap-intro h3{font-size:1.65rem;letter-spacing:-.04em;margin:6px 0}
.roadmap-intro p{font-size:.87rem;line-height:1.5;color:#d0dfd7;margin:0}
.sensor-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.sensor-card{min-width:0;min-height:144px;display:flex;flex-direction:column;align-items:flex-start;padding:24px;border:1px solid #dbe7dc;border-radius:16px;background:#f8faf7}
.sensor-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:#e4f0e7;color:#245c43}
.sensor-icon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.sensor-card h4{font-size:1.2rem;line-height:1.25;letter-spacing:-.03em;margin:18px 0 0;color:#163837}
.sensor-card p{font-size:.9rem;line-height:1.55;margin:0;color:#425b4d}
.sensor-card small{font-size:.78rem;line-height:1.45;color:#526f60;margin-top:auto;padding-top:18px}
.roadmap-note{margin:18px 0 0;padding:15px 18px;border-left:3px solid #438669;background:#f2f7f2;border-radius:0 10px 10px 0;color:#425b4d;font-size:.85rem;line-height:1.6}
.trust{background:#102d34;color:#fff;overflow:hidden}
.trust-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:6vw;align-items:center}
.network-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.network-grid .trust-encryption{margin:0;max-width:none;align-items:flex-start;height:100%}
.trust h2{font-size:clamp(2rem,3.7vw,3.75rem);margin-bottom:28px}
.trust-copy>p{color:#b9cdd0;font-size:1.05rem;max-width:660px;line-height:1.75}
.trust-steps{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0;padding:0;list-style:none}
.trust-steps li{border:1px solid #45616a;border-radius:8px;padding:12px 14px;font-size:.8rem;color:#e2eded}
.trust-steps b{color:#f5a37e;margin-right:10px}
.trust-encryption{display:flex;gap:15px;max-width:660px;margin:32px 0 16px;padding:18px 20px;border:1px solid #45616a;border-radius:14px;background:rgba(255,255,255,.045)}
.trust-encryption-icon{width:40px;height:40px;flex:none;display:grid;place-items:center;border-radius:10px;background:#284e54;color:#ffd4b5}
.trust-encryption-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.trust-encryption strong{display:block;font-size:1rem;color:#fff}
.trust-encryption p{margin:5px 0 0;color:#c5d7d8;font-size:.88rem;line-height:1.6}
.trust-copy .trust-footnote{font-size:.79rem;color:#8fa9aa;line-height:1.7}
.contact-art{min-height:520px;display:grid;place-items:center;position:relative}
.contact-art:before,.contact-art:after{content:"";position:absolute;width:480px;height:480px;border:1px solid #32525b;border-radius:50%}
.contact-art:after{width:690px;height:690px}
.contact-card{width:min(100%,330px);padding:24px;background:#f9faf5;color:#173b38;border-radius:17px;box-shadow:var(--shadow);z-index:1;transform:rotate(-5deg)}
.contact-card-head{display:flex;gap:12px;align-items:center;font-size:.66rem;letter-spacing:.11em;color:#557569}
.contact-card-head b{display:block;font-size:1.04rem;color:#173b38;letter-spacing:-.04em}
.qr-symbol{width:190px;height:190px;margin:26px auto 22px;background:repeating-conic-gradient(#1b4440 0 25%,#fff 0 50%) 0 0/22px 22px;border:10px solid #fff;position:relative}
.qr-symbol:before,.qr-symbol:after,.qr-symbol i:first-child{content:"";position:absolute;width:50px;height:50px;background:#fff;border:9px solid #1b4440;box-shadow:inset 0 0 0 8px #fff}
.qr-symbol:before{top:0;left:0}.qr-symbol:after{top:0;right:0}.qr-symbol i:first-child{bottom:0;left:0}
.contact-card>strong,.contact-card>small{display:block;text-align:center}
.contact-card>strong{font-size:1.2rem}.contact-card>small{font-size:.72rem;color:#69827b;margin-top:3px}
.approval-card{position:absolute;right:0;bottom:36px;background:#fff;color:#1b3638;z-index:2;box-shadow:var(--shadow);padding:15px 18px;border-radius:11px;display:flex;gap:12px;align-items:center;transform:rotate(4deg)}
.approval-dot{width:10px;height:10px;border-radius:50%;background:#ed794e;box-shadow:0 0 0 5px #ffede4}
.approval-card strong,.approval-card small{display:block}.approval-card small{font-size:.65rem;color:#71807d}
.app-section{background:#f5f5f0}
.app-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:8vw;align-items:center}
.app-preview{min-height:665px;border-radius:23px;background:radial-gradient(circle at center,#dbe8dd,#c6d7c7 58%,#b4cdb9);display:grid;place-items:center;position:relative;overflow:hidden}
.app-preview:before,.app-preview:after{content:"";position:absolute;width:500px;height:500px;border-radius:50%;border:1px solid rgba(255,255,255,.55)}.app-preview:after{width:760px;height:760px}
.phone-shell{width:288px;height:570px;background:#16252a;border:7px solid #2c3538;border-radius:40px;padding:12px;box-shadow:18px 29px 49px rgba(13,39,31,.27);position:relative;z-index:1;transform:rotate(-5deg)}
.phone-camera{position:absolute;top:14px;left:50%;transform:translateX(-50%);width:61px;height:13px;background:#16252a;border-radius:0 0 12px 12px;z-index:2}
.phone-display{height:100%;border-radius:27px;background:#e9eee9;overflow:hidden;display:flex;flex-direction:column;font-size:.69rem;color:#1d3031}
.app-statusbar{height:34px;padding:9px 17px 0;display:flex;justify-content:space-between;background:#fff;font-size:.62rem;font-weight:700}
.app-chatbar{display:flex;align-items:center;gap:8px;padding:7px 10px;background:#fff;box-shadow:0 2px 5px #d6dfd9}
.app-chatbar b,.app-chatbar small{display:block}.app-chatbar small{color:#8a9a94;font-size:.58rem}.back-chevron{font-size:1.7rem;color:#427666;line-height:1}.app-avatar{width:29px;height:29px;border-radius:50%;background:#d3e7d8;display:grid;place-items:center;font-weight:800}.app-more{margin-left:auto;font-size:1.2rem}
.app-day{margin:19px auto 12px;background:#d9e1dc;border-radius:20px;padding:3px 10px;font-size:.59rem;color:#59726a}
.bubble{max-width:79%;padding:9px 10px;border-radius:12px;margin:4px 11px;box-shadow:0 1px 3px #d2dbd3;line-height:1.4}.bubble>span:last-child{display:block;text-align:right;font-size:.53rem;margin-top:4px;color:#84968d}.bubble-in{align-self:flex-start;background:#fff;border-bottom-left-radius:3px}.bubble-out,.bubble-media{align-self:flex-end;background:#d7ebdc;border-bottom-right-radius:3px}.bubble-media{width:173px}.media-placeholder{height:75px;border-radius:5px;background:linear-gradient(150deg,#94b9ab,#cedfc8);overflow:hidden}.media-placeholder svg{width:100%;height:100%}.bubble-media b{display:block;font-size:.7rem;margin-top:5px}.bubble-voice{display:flex;align-items:center;gap:5px;max-width:none}.bubble-voice small{font-size:.58rem;color:#71807d}.bubble-voice .voice-wave{font-size:.75rem;color:#47906d;letter-spacing:1px}.play-icon{color:#237456}.app-composer{margin:auto 8px 8px;background:#fff;border-radius:20px;padding:9px 12px;display:flex;justify-content:space-between;align-items:center;color:#87998f}.app-composer span:first-child,.app-composer span:last-child{font-size:1.1rem;color:#27745a}.app-preview-caption{position:absolute;left:24px;bottom:20px;color:#4e765f;letter-spacing:.14em;font-size:.65rem;font-weight:750}
.app-copy h2{max-width:720px}.app-copy>p{font-size:1.05rem;line-height:1.75;max-width:570px}.app-benefits{margin:30px 0;border-top:1px solid #d4dcd6;max-width:600px}.app-benefits>div{display:flex;gap:22px;padding:16px 0;border-bottom:1px solid #d4dcd6}.app-benefits>div>b{font-size:.7rem;color:#4b8b6d}.app-benefits strong,.app-benefits small{display:block}.app-benefits strong{font-size:.92rem}.app-benefits small{font-size:.8rem;color:#687871;line-height:1.5;margin-top:3px}.language-note{font-size:.79rem;color:#5c7169}
.faq{background:#fff}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:8vw}.faq-grid>div:first-child p{max-width:330px}.faq-list{border-top:1px solid #d9e0dd}.faq details{border-bottom:1px solid #d9e0dd}.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:1.04rem;font-weight:650;padding:23px 0}.faq summary::-webkit-details-marker{display:none}.faq summary span{font-size:1.5rem;font-weight:300;color:#427463;transition:transform .2s}.faq details[open] summary span{transform:rotate(45deg)}.faq details p{font-size:.9rem;line-height:1.75;max-width:620px;margin:0 0 22px}
.closing{background:#162e32;color:#fff;overflow:hidden}.closing-inner{min-height:480px;display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative}.closing h2{font-size:clamp(2.4rem,4.5vw,4.5rem);margin:20px 0}.closing p{font-size:1.07rem;line-height:1.65;color:#bbcdca;max-width:600px}.closing-actions{margin-top:30px}.button-ghost{background:transparent;border:1px solid #68827e;color:#fff}.button-ghost:hover{background:#25454a}.share-feedback{display:block;min-height:22px;margin-top:14px;font-size:.79rem;color:#f2aa89}
.site-footer{background:#0b1c22;color:#a7bab5}.footer-inner{min-height:165px;display:grid;grid-template-columns:auto 1fr auto;gap:50px;align-items:center}.brand-footer{color:#fff}.site-footer p{color:#8ea59f;font-size:.76rem;max-width:560px;margin:0;line-height:1.6}.site-footer>div>span{font-size:.75rem;white-space:nowrap}
.footer-phone{display:inline-flex;align-items:center;min-height:44px;color:var(--orange);font-size:1.2rem;font-weight:750;white-space:nowrap;margin-bottom:8px}
.footer-phone:hover{color:#ffc19e}