:root { --paper:#fcfaf4; --ink:#172029; --muted:#5c6670; --line:#dedcd3; --sun:#f4d06f; --blue:#2877a6; --max:1120px; font-family: ui-rounded, "SF Pro Rounded", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color:var(--ink); background:var(--paper); }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; background:var(--paper); color:var(--ink); font-size:17px; line-height:1.6; }
a { color:inherit; text-underline-offset:4px; }
.site-header { border-bottom:1px solid var(--line); background:rgba(252,250,244,.94); position:sticky; top:0; z-index:2; backdrop-filter:blur(12px); }
.nav,.page-shell,.footer-inner { width:min(calc(100% - 48px),var(--max)); margin:auto; }
.nav { min-height:72px; display:flex; align-items:center; justify-content:space-between; gap:18px; }
.brand { font-weight:800; text-decoration:none; letter-spacing:-.03em; }
.brand span { color:var(--blue); font-size:1.25em; }
.nav-links { display:flex; gap:4px; }
.nav-links a { padding:8px 10px; border-radius:999px; font-size:.9rem; font-weight:700; text-decoration:none; }
.nav-links a:hover,.nav-links a:focus-visible { background:#ebe8dd; outline:0; }
.apps-menu { position:relative; }
.apps-menu summary { cursor:pointer; list-style:none; padding:8px 10px; border-radius:999px; font-size:.9rem; font-weight:700; }
.apps-menu summary::-webkit-details-marker { display:none; }
.apps-menu summary::after { content:"⌄"; display:inline-block; margin-left:5px; color:var(--blue); transition:transform .16s ease; }
.apps-menu[open] summary { background:#ebe8dd; }
.apps-menu[open] summary::after { transform:rotate(180deg); }
.apps-menu summary:focus-visible { outline:2px solid var(--blue); outline-offset:2px; }
.apps-submenu { position:absolute; top:calc(100% + 9px); right:0; min-width:148px; padding:7px; border:1px solid var(--line); border-radius:14px; background:#fffefa; box-shadow:0 12px 28px rgba(23,32,41,.13); }
.apps-submenu a { display:block; padding:8px 10px; white-space:nowrap; }
.hero { padding:112px 0 124px; max-width:var(--max); }
.eyebrow { margin:0 0 14px; color:var(--blue); font-size:.78rem; font-weight:800; letter-spacing:.1em; text-transform:uppercase; }
h1,h2,h3,p { margin-top:0; }
h1 { max-width:900px; margin-bottom:26px; font-family: ui-serif, Georgia, serif; font-size:clamp(3.5rem,8vw,7.1rem); font-weight:650; letter-spacing:-.065em; line-height:.93; }
h1 em { color:var(--blue); font-weight:500; }
h2 { font-family:ui-serif,Georgia,serif; font-size:clamp(2.4rem,4.5vw,4.25rem); letter-spacing:-.055em; line-height:.98; }
h3 { font-size:1.2rem; margin-bottom:8px; }
.hero-copy,.page-heading > p,.section-intro > p,.developer-layout > div:last-child { max-width:620px; color:var(--muted); font-size:1.15rem; }
.actions { display:flex; flex-wrap:wrap; align-items:center; gap:18px; margin-top:32px; }
.button { display:inline-block; border-radius:999px; background:var(--button,var(--ink)); color:#fff; padding:13px 20px; font-size:.92rem; font-weight:800; text-decoration:none; }
.store-badge-link { display:inline-flex; }.store-badge { }
.text-button { font-weight:800; text-decoration:none; }
.support-form { display:grid; gap:18px; max-width:640px; margin-top:32px; }.support-form label { display:grid; gap:8px; font-weight:800; }.support-form .required-field { color:#b42318; }.support-form input,.support-form select,.support-form textarea { box-sizing:border-box; width:100%; border:1px solid var(--line); border-radius:10px; background:#fffefa; padding:12px 14px; color:var(--ink); font:inherit; }.support-form textarea { min-height:240px; resize:vertical; }.support-form button { justify-self:start; border:0; cursor:pointer; }
.text-button span { color:var(--blue); font-size:1.25em; }
.teaching { padding:92px 0; border-top:1px solid var(--line); }
.section-intro { display:grid; grid-template-columns:minmax(240px,.8fr) minmax(260px,1fr); gap:38px; align-items:end; margin-bottom:48px; }
.section-intro .eyebrow { grid-column:1/-1; margin-bottom:-18px; }
.teaching-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.teaching-grid article { border:1px solid var(--line); border-radius:18px; background:#fffefa; padding:26px; }
.teaching-grid span { display:block; margin-bottom:22px; font-size:2rem; }
.teaching-grid p { color:var(--muted); font-size:.96rem; }
.developer-band { background:var(--sun); padding:78px 0; }
.developer-layout { display:grid; grid-template-columns:1fr 1fr; gap:60px; }
.developer-layout h2 { margin:0; }
.developer-layout p { color:#3c3a30; }
.apps-page,.document,.app-detail { padding-top:88px; padding-bottom:104px; }
.page-heading { margin-bottom:64px; }.page-heading h1 { margin-bottom:20px; }.page-heading > p { max-width:560px; }
.app-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; }
.app-card { display:grid; grid-template-columns:auto minmax(0,1fr); gap:22px; border:1px solid var(--line); border-radius:18px; background:#fffefa; padding:26px; }
.app-card h2 { margin-bottom:10px; font-size:clamp(1.7rem,3vw,2.35rem); }.app-card p:not(.eyebrow) { color:var(--muted); font-size:.96rem; }
.app-symbol { display:grid; place-items:center; width:58px; height:58px; border-radius:17px; background:color-mix(in srgb,var(--accent),white 78%); font-family:system-ui,sans-serif; font-size:1.85rem; }
.app-card .app-symbol { display:block; flex:0 0 60px; width:60px; height:60px; border-radius:15px; object-fit:cover; background:#fff; font-size:initial; }.directory-item img.app-symbol { display:block; object-fit:cover; background:#fff; }.app-symbol--placeholder { display:grid; position:relative; place-items:center; box-sizing:border-box; background:linear-gradient(135deg,#f0f2f5,#d8dde5); border:1px solid #cbd2dc; }.app-symbol--placeholder::before { content:""; width:23px; height:18px; border:2px solid #7c8798; border-radius:4px; background:linear-gradient(135deg,transparent 48%,#7c8798 49% 53%,transparent 54%); }.app-symbol--placeholder::after { content:"+"; position:absolute; color:#7c8798; font:700 14px/1 system-ui,sans-serif; }
.app-symbol-sticker { border-radius:35%; }.app-card .app-symbol-sticker,.app-detail-hero .app-symbol-sticker { border-radius:35%; }
.card-links { display:flex; flex-wrap:wrap; gap:16px; margin-top:22px; }.card-links a { font-size:.9rem; font-weight:800; }
.app-detail-hero { max-width:760px; }.app-detail-hero .app-symbol { margin-bottom:30px; width:82px; height:82px; font-size:2.55rem; border-radius:24px; }.app-detail-hero img.app-symbol { display:block; object-fit:cover; background:#fff; }.app-detail-hero h1 { font-size:clamp(3.4rem,7vw,6rem); }.lead { color:var(--blue); font-size:1.3rem; font-weight:700; }
.features { margin-top:92px; border-top:1px solid var(--line); padding-top:42px; }.features > div { display:grid; grid-template-columns:repeat(2,1fr); gap:10px; }.features article { border:1px solid var(--line); border-radius:10px; background:#fffefa; padding:16px; font-weight:700; }.features span { color:var(--blue); margin-right:9px; }
.document { max-width:820px; }.document h1 { font-size:clamp(3.3rem,6vw,5.5rem); }.document h2 { margin:44px 0 14px; font-size:2rem; }.document li,.document p { color:#414a52; }.document a { color:var(--blue); font-weight:700; }
.app-directory-list { display:grid; gap:12px; margin-top:44px; }.directory-item { display:grid; grid-template-columns:auto 1fr auto; gap:18px; align-items:center; border-top:1px solid var(--line); padding:18px 0; }.directory-item h2 { margin:0 0 2px; font-family:inherit; font-size:1.1rem; letter-spacing:-.03em; }.directory-item p { margin:0; color:var(--muted); font-size:.92rem; }
.site-footer { border-top:1px solid var(--line); }.footer-inner { display:flex; align-items:center; justify-content:space-between; gap:20px; padding:30px 0; color:var(--muted); font-size:.85rem; }.footer-inner p { margin:0; }.footer-inner div { display:flex; gap:15px; }.footer-inner a { font-weight:700; }
@media (max-width:720px) { .nav,.page-shell,.footer-inner { width:min(calc(100% - 32px),var(--max)); }.hero { padding:76px 0 86px; }.nav { min-height:64px; }.nav-links { gap:0; }.nav-links a,.apps-menu summary { padding:8px 7px; font-size:.8rem; }.apps-submenu { right:0; min-width:136px; }.brand { font-size:.92rem; }.section-intro,.developer-layout,.teaching-grid,.app-grid { grid-template-columns:1fr; }.section-intro .eyebrow { margin-bottom:0; }.teaching { padding:70px 0; }.developer-band { padding:62px 0; }.apps-page,.document,.app-detail { padding-top:62px; padding-bottom:72px; }.app-card { padding:21px; gap:16px; }.features > div { grid-template-columns:1fr; }.directory-item { grid-template-columns:auto 1fr; }.directory-item .text-button { grid-column:2; }.footer-inner { align-items:flex-start; flex-direction:column; } }