/* Shared navigation and richer product pages. */
.nav{position:relative;gap:24px;justify-content:space-between}#nav-links{gap:22px}.nav-pages{gap:22px}.nav-group{padding:0;border:0;margin:0}.nav-group>summary{list-style:none;font:600 13px/1.4 Arial,sans-serif;cursor:pointer;padding:28px 0;white-space:nowrap;color:#143c45}.nav-group>summary::-webkit-details-marker{display:none}.nav-group>summary::after{content:'⌄';margin-left:8px;color:#58757c}.nav-group[open]>summary{color:#007b8e}.mega-panel{position:absolute;left:0;right:0;top:78px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:32px;background:#fff;border:1px solid #d5e3e8;border-radius:0 0 24px 24px;box-shadow:0 24px 50px #12374220;z-index:36}.mega-panel section{min-width:0}.mega-panel h3{font:700 11px/1.5 Arial,sans-serif;letter-spacing:.09em;color:#618087;text-transform:uppercase;margin:0 0 12px}.mega-panel a{display:block;padding:10px 12px;margin:0 -12px;border-radius:10px;white-space:normal}.mega-panel a:hover,.mega-panel a:focus-visible{background:#eef7f8;color:#006b7e;text-decoration:none}.mega-panel a strong{display:block;font-size:15px;line-height:1.4}.mega-panel a small{display:block;font-size:12px;color:#647980;font-weight:400;line-height:1.6;margin-top:3px}.mega-note{background:#eef7f7;border-radius:16px;padding:22px!important}.mega-note p{font-size:14px;color:#46646c;line-height:1.7}.mega-note .eyebrow{margin:0 0 8px}.platform-icon{width:24px;height:24px;flex-shrink:0;vertical-align:middle}.platform-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin:24px 0}.platform-pill{display:inline-flex;align-items:center;gap:12px;border:1px solid #d6e5e8;border-radius:16px;padding:12px 20px;background:#f4f9fa;font-size:14px;text-align:left}.platform-pill strong,.platform-pill small{display:block}.platform-pill small{color:#61767c;font-size:12px}.platform-pill:hover{background:#e7f3f5;text-decoration:none}.platform-card{display:flex;align-items:center;gap:16px;margin-bottom:20px}.platform-card .platform-icon{width:36px;height:36px}.platform-card h3{margin:0}.home-section .feature-grid{margin-top:24px}.section-heading .intro{max-width:720px}.guide-steps{counter-reset:step;display:grid;gap:18px}.guide-steps article{border:1px solid #d9e5e8;background:#f7fafb;padding:26px;border-radius:22px}.guide-steps h3{margin:0 0 10px}.developer-code{padding:24px;border-radius:18px;background:#12363e;color:#e2f4f5;overflow:auto;font:13px/1.6 Consolas,monospace;white-space:pre;tab-size:2}.guide-links{display:flex;gap:16px;flex-wrap:wrap}.guide-links a{padding:12px 18px;border:1px solid #d4e3e8;border-radius:12px;font-weight:600}.release-list{display:grid;gap:12px}.release-list a{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border:1px solid #dae5e8;padding:20px 24px;border-radius:18px;background:#f5f9fa}.release-list small{color:#647b81}.mobile-release .android-mini{display:flex;gap:10px;align-items:center;color:#d9e8e8}.mobile-release .platform-icon{width:20px;height:20px}.footer-links{gap:16px 24px}
@media(max-width:1100px){.nav-pages{display:flex;flex-direction:column;align-items:stretch;gap:0}.nav-group>summary{padding:16px 0;font-size:21px;border-bottom:1px solid #d6e4e8}.nav-group>summary::after{float:right}.mega-panel{position:static;grid-template-columns:1fr 1fr;box-shadow:none;border:0;border-radius:16px;padding:18px 4px;background:transparent;gap:22px}.mega-panel .mega-note{grid-column:1/-1}.mega-panel a{padding:10px 12px}.nav-account{justify-content:flex-start}.mobile-release{margin-top:12px}.nav-group[open]>summary{margin-bottom:4px}#nav-links{padding-top:14px}.nav-group>summary{font-family:Arial,sans-serif}.mega-panel h3{font-size:11px}.mega-panel a strong{font-size:15px}}
@media(max-width:600px){.mega-panel{grid-template-columns:1fr;gap:20px}.platform-row{gap:10px}.platform-pill{padding:12px 15px}.platform-card{align-items:flex-start}.home-section .section-heading h2{font-size:36px}.guide-steps article{padding:22px}.developer-code{padding:18px;font-size:12px}}
#nav-links .mobile-release .button{display:flex;align-items:center;justify-content:center;gap:10px}#nav-links .mobile-release .android-mini{display:flex;align-items:center;gap:10px}.platform-icon{display:inline-block}

/* Wayfarer navigation: drawn chevrons, quiet surfaces and generous hierarchy. */
.nav{gap:18px}#nav-links,.nav-pages{gap:12px}.nav-group>summary{display:flex;align-items:center;gap:9px;padding:11px 13px;border-radius:12px;font-family:inherit;font-size:14px;font-weight:650;transition:background .18s ease,color .18s ease;outline-offset:4px}.nav-group>summary:hover{background:#edf5f5;color:#006a78}.nav-group[open]>summary{background:#e5f2f2;color:#006977}.nav-group>summary::after{content:''!important;display:block;position:static;float:none;flex:0 0 12px;width:12px;height:12px;margin:0;background:currentColor;opacity:.65;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;transition:transform .2s ease}.nav-group[open]>summary::after{content:''!important;transform:rotate(180deg)}.nav-group>summary:focus-visible{outline:2px solid #008396;background:#e5f2f2}.nav-account{gap:15px;padding-left:20px}.nav-account a{font-size:13px}.account-signed-in{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:#638087;white-space:nowrap}.account-signed-in::before{content:'';width:6px;height:6px;border-radius:50%;background:#31816b}.nav .download-nav{box-shadow:0 4px 12px #00627415}
.mega-panel{top:calc(100% - 4px);left:12px;right:12px;gap:30px;padding:30px;border-radius:24px;border:1px solid #dce9eb;background:linear-gradient(145deg,#fff 65%,#f5fafb);box-shadow:0 18px 45px #153f4514,0 3px 10px #153f4508;animation:menu-arrive .18s ease-out;transform-origin:top center}.mega-panel section:not(.mega-note){padding:8px 14px}.mega-panel h3{font-family:inherit;letter-spacing:.12em;font-size:10px;color:#789096;margin-bottom:14px}.mega-panel a{position:relative;margin:2px -12px;padding:12px 32px 12px 12px;border:1px solid transparent;border-radius:12px;transition:background .16s ease,border-color .16s ease}.mega-panel a:hover,.mega-panel a:focus-visible{background:#edf6f6;border-color:#d6e9e9}.mega-panel a strong{font-size:15px;font-weight:650;color:#143f49}.mega-panel a small{font-size:12px;line-height:1.65;color:#6a8188;margin-top:4px}.mega-panel a::after{content:'';position:absolute;right:14px;top:20px;width:6px;height:6px;border-top:1.5px solid #78969b;border-right:1.5px solid #78969b;transform:rotate(45deg);opacity:0;transition:opacity .16s ease}.mega-panel a:hover::after,.mega-panel a:focus-visible::after{opacity:1}.mega-note{border:1px solid #d8e9e9;background:radial-gradient(circle at 100% 0,#d3ecec,transparent 65%),#eef7f7;border-radius:18px;padding:26px!important}.mega-note .eyebrow{color:#007583;letter-spacing:.12em}.mega-note h3{font-size:23px;line-height:1.25;text-transform:none;letter-spacing:-.03em;color:#123e47;margin:10px 0}.mega-note p{font-size:13px;line-height:1.75;color:#536f77}.mega-note a{margin:12px 0 0;background:#fff9;border-color:#d5e6e7;padding:11px 30px 11px 14px}
@keyframes menu-arrive{from{opacity:0;transform:translateY(-7px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1250px) and (min-width:1101px){#nav-links,.nav-pages{gap:3px}.nav-group>summary{padding:10px 9px;font-size:13px}.nav-account{gap:10px;padding-left:12px}.account-signed-in{font-size:10px}}
@media(max-width:1100px){#nav-links{padding:20px 22px 32px}.nav-pages{gap:6px}.nav-group>summary{justify-content:space-between;padding:18px 14px;font-size:22px;border:1px solid #dce8eb;border-radius:16px;background:#f8fbfb}.nav-group>summary::after{width:18px;height:18px;flex-basis:18px}.mega-panel{padding:16px 0 22px;margin:0;gap:12px;border:0;background:transparent;border-radius:0;box-shadow:none;animation:none}.mega-panel section:not(.mega-note){padding:8px 14px}.mega-note{padding:22px!important}.nav-account{padding:18px 8px;gap:16px}.account-signed-in{font-size:12px}.mobile-release{border-radius:20px}}
@media(prefers-reduced-motion:reduce){.mega-panel{animation:none}.nav-group>summary,.nav-group>summary::after,.mega-panel a,.mega-panel a::after{transition:none}}