:root {
    --navy: #0d1532;
    --navy-soft: #26304f;
    --muted: #626b84;
    --paper: #f7f8fc;
    --line: #e1e5ef;
    --violet: #6a3be4;
    --blue: #2e6bf6;
    --mint: #4d9a7d;
    --orange: #e85d2a;
    --accent: var(--violet);
    --accent-strong: var(--violet);
    --accent-soft: #f4f1ff;
    --shadow: 0 18px 55px rgba(27, 38, 78, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--navy);
    background: var(--paper);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
a:focus-visible {
    outline: 3px solid rgba(106, 59, 228, .38);
    outline-offset: 4px;
}
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(225, 229, 239, .88);
    background: rgba(247, 248, 252, .92);
    backdrop-filter: blur(18px);
}
.nav {
    display: flex;
    min-height: 72px;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}
.brand {
    color: var(--navy);
    font-size: 1.15rem;
    font-weight: 850;
    letter-spacing: -.045em;
    text-decoration: none;
}
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
    color: var(--navy-soft);
    font-size: .9rem;
    font-weight: 700;
    text-decoration: none;
}
.nav-links a:hover { color: var(--accent); }

/* Homepage */
.hero {
    padding: 74px 0 88px;
    background: radial-gradient(circle at 82% 10%, rgba(99, 119, 255, .17), transparent 27%),
                radial-gradient(circle at 8% 96%, rgba(77, 154, 125, .13), transparent 30%);
}
.hero-layout { max-width: 790px; }
.eyebrow {
    margin: 0 0 15px;
    color: var(--violet);
    font-size: .78rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}
h1, h2, h3 { margin-top: 0; }
h1 {
    max-width: 720px;
    margin-bottom: 20px;
    font-size: clamp(3rem, 6.8vw, 5.35rem);
    letter-spacing: -.07em;
    line-height: .98;
}
.hero-copy > p:not(.eyebrow) {
    max-width: 600px;
    margin: 0;
    color: var(--navy-soft);
    font-size: clamp(1.05rem, 2.2vw, 1.23rem);
}
.section { padding: 86px 0; scroll-margin-top: 88px; }
.section-heading {
    display: grid;
    grid-template-columns: 1fr 410px;
    gap: 40px;
    align-items: end;
    margin-bottom: 30px;
}
.section-heading h2 {
    margin-bottom: 0;
    font-size: clamp(2.15rem, 4vw, 3.3rem);
    letter-spacing: -.06em;
    line-height: 1;
}
.section-heading > p { margin: 0; color: var(--muted); }
.app-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.app-card {
    display: flex;
    min-height: 610px;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: white;
    box-shadow: var(--shadow);
}
.card-top {
    display: flex;
    min-height: 220px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 28px;
}
.whirldrop .card-top { background: radial-gradient(circle at 100% 0, #c8d6ff, transparent 42%), linear-gradient(145deg, #f4f6ff, #e7eaff); }
.dualearn .card-top { background: radial-gradient(circle at 100% 0, #b9dfce, transparent 43%), linear-gradient(145deg, #f3faf7, #e5f2ec); }
.strayfinder .card-top { background: radial-gradient(circle at 100% 0, #bfe9c9, transparent 43%), linear-gradient(145deg, #f3fbf5, #e2f4e7); }
.brand-icon { width: 112px; height: 112px; object-fit: cover; border-radius: 27px; box-shadow: 0 17px 35px rgba(29, 40, 84, .20); }
.card-quote {
    max-width: 168px;
    margin: 0;
    color: var(--navy-soft);
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.25;
    text-align: right;
}
.card-body { display: flex; flex: 1; flex-direction: column; padding: 30px; }
.category {
    margin: 0 0 7px;
    color: var(--violet);
    font-size: .75rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.dualearn .category { color: #32725f; }
.strayfinder .category { color: #2f8248; }
.card-body h3 { margin-bottom: 10px; font-size: 2rem; letter-spacing: -.055em; }
.description { margin: 0; color: var(--muted); }
.feature-list {
    display: grid;
    gap: 9px;
    margin: 22px 0 26px;
    padding: 0;
    list-style: none;
}
.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--navy-soft);
    font-size: .88rem;
    font-weight: 650;
}
.feature-list li::before {
    width: 7px;
    height: 7px;
    flex: 0 0 7px;
    border-radius: 50%;
    background: var(--violet);
    content: "";
}
.dualearn .feature-list li::before,
.strayfinder .feature-list li::before { background: var(--mint); }
.strayfinder .feature-list li::before { background: #2f9b52; }
.store-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: auto; }
.whirldrop .store-row,
.dualearn .store-row {
    width: 100%;
    align-self: center;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    gap: 8px;
}
.store-badge { display: inline-flex; align-items: center; transition: transform .18s ease, opacity .18s ease; }
.store-badge:hover { transform: translateY(-2px); opacity: .9; }
.store-badge img { width: auto; height: 44px; }
.store-badge-google img { height: 64px; margin: -10px 0; }
.coming-soon {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: auto;
    padding: 14px 16px;
    border: 1px solid #d8ddf4;
    border-radius: 14px;
    background: #f4f5ff;
}
.coming-soon strong { color: var(--violet); font-size: .92rem; }
.coming-soon span { color: var(--muted); font-size: .79rem; text-align: right; }
.strayfinder .coming-soon { border-color: #cce8d2; background: #f1fbf3; }
.strayfinder .coming-soon strong { color: #277b40; }

.values { padding-top: 0; }
.value-panel {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 48px;
    padding: 42px;
    border-radius: 27px;
    color: white;
    background: var(--navy);
}
.value-panel h2 { margin: 0; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.055em; line-height: 1.05; }
.value-panel .eyebrow { color: #aebcff; }
.about-description { max-width: 430px; margin: 16px 0 0; color: #bdc6df; }
.value-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-item { padding-top: 16px; border-top: 1px solid rgba(255,255,255,.2); }
.value-item strong { display: block; margin-bottom: 7px; font-size: .91rem; }
.value-item span { color: #bdc6df; font-size: .82rem; }
.support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.support-card { padding: 24px; border: 1px solid var(--line); border-radius: 19px; background: white; }
.support-card h3 { margin-bottom: 8px; font-size: 1rem; }
.support-card p { min-height: 52px; margin: 0 0 15px; color: var(--muted); font-size: .88rem; }
.support-links { display: flex; flex-wrap: wrap; gap: 10px 15px; }
.support-card a { color: var(--violet); font-size: .87rem; font-weight: 800; text-decoration: none; }
.support-card a:hover { text-decoration: underline; }

footer { padding: 28px 0 38px; border-top: 1px solid var(--line); }
.footer-row { display: flex; justify-content: space-between; gap: 22px; color: var(--muted); font-size: .84rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 15px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

/* Shared support, privacy, and legal pages */
.theme-whirldrop { --accent: #3f35b5; --accent-strong: var(--blue); --accent-soft: #eef3ff; }
.theme-dualearn { --accent: #2d5f5d; --accent-strong: #32725f; --accent-soft: #ebf8f1; }
.theme-strayfinder { --accent: #a63d17; --accent-strong: var(--orange); --accent-soft: #fff3ed; }
.document-main {
    width: min(860px, calc(100% - 40px));
    margin: 0 auto;
    padding: 58px 0 88px;
}
.page-nav { margin-bottom: 38px; }
.page-nav a {
    color: var(--accent);
    font-size: .9rem;
    font-weight: 800;
    text-decoration: none;
}
.page-nav a:hover { text-decoration: underline; }
.document-main h1 {
    max-width: 780px;
    margin: 0 0 12px;
    color: var(--navy);
    font-size: clamp(2.6rem, 6vw, 4.55rem);
    letter-spacing: -.07em;
    line-height: .98;
}
.document-main h2 {
    margin: 40px 0 14px;
    color: var(--accent-strong);
    font-size: clamp(1.45rem, 3vw, 2rem);
    letter-spacing: -.045em;
    line-height: 1.1;
}
.document-main h3 {
    margin: 26px 0 8px;
    color: var(--navy-soft);
    font-size: 1.05rem;
}
.document-main p,
.document-main li { color: var(--navy-soft); }
.document-main a { color: var(--accent); }
.document-main li { margin-bottom: 8px; }
.document-main ul,
.document-main ol { padding-left: 22px; }
.document-main .updated,
.document-main .last-updated {
    margin: 0 0 28px;
    color: var(--muted);
    font-size: .9rem;
}
.document-main .section { margin: 0 0 28px; padding: 0; }
.document-main .card,
.document-main .notice,
.document-main .important,
.document-main .contact,
.document-main .contact-info {
    margin: 24px 0;
    padding: 22px 24px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: white;
    box-shadow: 0 12px 35px rgba(27, 38, 78, .06);
}
.document-main .important,
.document-main .notice { background: var(--accent-soft); }
.document-main .card p:last-child,
.document-main .notice p:last-child,
.document-main .important p:last-child,
.document-main .contact p:last-child,
.document-main .contact-info p:last-child { margin-bottom: 0; }
.document-main .button {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 12px;
    color: white;
    background: var(--accent-strong);
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(27, 38, 78, .16);
}
.document-main .button:hover { transform: translateY(-1px); }
.download-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 24px 0;
}
.download-card {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}
.download-card .brand-icon {
    margin: 0 auto 24px;
}
.download-card h1 {
    margin-right: auto;
    margin-left: auto;
}
.download-card .download-actions {
    justify-content: center;
}
.download-note {
    margin-top: 18px;
    color: var(--muted) !important;
    font-size: .9rem;
}
.document-main footer {
    margin-top: 58px;
    padding: 24px 0 0;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: .84rem;
}

@media (max-width: 1050px) {
    .app-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 850px) {
    .section-heading, .value-panel { grid-template-columns: 1fr; }
    .app-grid, .support-grid { grid-template-columns: 1fr; }
    .value-list { grid-template-columns: 1fr; }
    .support-card p { min-height: 0; }
}
@media (max-width: 560px) {
    .shell, .document-main { width: min(100% - 30px, 1120px); }
    .nav { min-height: 64px; }
    .nav-links { gap: 14px; }
    .nav-links a { font-size: .8rem; }
    .hero { padding: 56px 0 64px; }
    .section { padding: 66px 0; }
    .card-top { min-height: 190px; padding: 25px; }
    .brand-icon { width: 100px; height: 100px; border-radius: 23px; }
    .card-quote { max-width: 145px; font-size: .98rem; }
    .card-body { padding: 25px; }
    .value-panel { gap: 30px; padding: 28px; }
    .footer-row { flex-direction: column; }
    .document-main { padding: 42px 0 68px; }
    .document-main .card,
    .document-main .notice,
    .document-main .important,
    .document-main .contact,
    .document-main .contact-info { padding: 19px; }
}