:root {
    color-scheme: dark;
    --ink: #f3f8ff;
    --muted: #9eb1c8;
    --quiet: #7590aa;
    --night: #04111f;
    --navy: #071c36;
    --panel: rgba(10, 35, 61, 0.72);
    --panel-strong: #0b2947;
    --line: rgba(135, 187, 225, 0.18);
    --cyan: #00e2d2;
    --cyan-dark: #00bbae;
    --blue: #55a9ff;
    --gold: #ffc857;
    --purple: #a98bff;
    --radius: 22px;
    --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 78% 8%, rgba(0, 226, 210, 0.10), transparent 27rem),
        radial-gradient(circle at 5% 34%, rgba(85, 169, 255, 0.11), transparent 25rem),
        var(--night);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    content: "";
    pointer-events: none;
    opacity: 0.28;
    background-image:
        linear-gradient(rgba(92, 151, 197, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(92, 151, 197, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(to bottom, black, transparent 80%);
}

a {
    color: inherit;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 20;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--ink);
    color: var(--night);
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header,
main,
footer {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 86px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--ink);
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    text-decoration: none;
}

.brand img {
    border-radius: 11px;
    box-shadow: 0 8px 30px rgba(0, 226, 210, 0.16);
}

.brand > span > span {
    color: var(--cyan);
}

.brand b {
    margin-left: 3px;
    padding: 2px 6px 3px;
    border: 1px solid rgba(255, 200, 87, 0.64);
    border-radius: 5px;
    color: var(--gold);
    font-size: 0.68em;
    letter-spacing: 0.02em;
}

nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

nav a {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 650;
    text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
    color: var(--ink);
}

.nav-cta {
    padding: 9px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.035);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
    gap: 46px;
    align-items: center;
    min-height: 670px;
    padding: 68px 0 80px;
}

.hero-copy {
    position: relative;
    z-index: 2;
}

.eyebrow {
    margin: 0 0 15px;
    color: var(--cyan);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    text-wrap: pretty;
}

h1 {
    max-width: 720px;
    margin: 0;
    font-size: clamp(3rem, 6vw, 5.7rem);
    font-weight: 790;
    letter-spacing: -0.065em;
    line-height: 0.96;
}

h1 span {
    color: var(--cyan);
}

.lede {
    max-width: 600px;
    margin: 27px 0 0;
    color: var(--muted);
    font-size: clamp(1.08rem, 1.5vw, 1.27rem);
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 31px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 11px 19px;
    border-radius: 12px;
    font-size: 0.94rem;
    font-weight: 760;
    text-decoration: none;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button-primary {
    background: var(--cyan);
    color: #002f36;
    box-shadow: 0 13px 35px rgba(0, 226, 210, 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
    background: #37f1e5;
}

.button-secondary {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: var(--ink);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    border-color: rgba(85, 169, 255, 0.5);
    background: rgba(85, 169, 255, 0.08);
}

.availability {
    margin: 17px 0 0;
    color: var(--quiet);
    font-size: 0.82rem;
}

.hero-visual {
    position: relative;
}

.hero-visual img {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid rgba(112, 199, 255, 0.24);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transform: perspective(1400px) rotateY(-4deg) rotateX(1.5deg);
}

.image-glow {
    position: absolute;
    inset: 12% 8% -4%;
    background: rgba(0, 226, 210, 0.24);
    filter: blur(80px);
}

.quick-facts {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    align-self: end;
    margin: 18px 0 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--line);
    list-style: none;
}

.quick-facts li {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 18px 22px;
    background: rgba(6, 25, 44, 0.97);
}

.quick-facts strong {
    color: var(--ink);
    font-size: 1.05rem;
}

.quick-facts span {
    color: var(--quiet);
    font-size: 0.85rem;
}

.section {
    padding: 108px 0;
    border-top: 1px solid var(--line);
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.75fr) minmax(360px, 1.25fr);
    column-gap: 90px;
    align-items: end;
    margin-bottom: 54px;
}

.section-heading .eyebrow {
    grid-column: 1;
}

.section-heading h2 {
    grid-column: 1;
    max-width: 620px;
    margin: 0;
    font-size: clamp(2.2rem, 4vw, 4rem);
    letter-spacing: -0.05em;
    line-height: 1.02;
}

.section-heading > p:last-child {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin: 0 0 5px;
    color: var(--muted);
    font-size: 1.08rem;
}

.section-heading.compact {
    display: block;
    max-width: 780px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.feature-card,
.edition-card {
    padding: 31px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(150deg, rgba(14, 49, 80, 0.72), rgba(6, 25, 44, 0.76));
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.12);
}

.feature-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 39px;
    height: 29px;
    border: 1px solid rgba(0, 226, 210, 0.25);
    border-radius: 999px;
    color: var(--cyan);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.72rem;
}

.feature-card h3,
.edition-card h3,
.workflow h3 {
    margin: 25px 0 11px;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.feature-card p,
.edition-card p,
.workflow p {
    margin: 0;
    color: var(--muted);
    font-size: 0.94rem;
}

.language-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 9px;
    margin-top: 31px;
}

.language-strip span {
    padding: 8px 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.025);
    color: #bfd1e2;
    font-size: 0.82rem;
    font-weight: 680;
}

.workflow-section {
    display: grid;
    grid-template-columns: minmax(330px, 0.85fr) minmax(440px, 1.15fr);
    gap: 85px;
}

.workflow {
    margin: 0;
    padding: 0;
    list-style: none;
}

.workflow li {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 21px;
    padding: 0 0 32px;
}

.workflow li:not(:last-child) {
    margin-bottom: 27px;
    border-bottom: 1px solid var(--line);
}

.workflow li > span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 13px;
    background: rgba(0, 226, 210, 0.1);
    color: var(--cyan);
    font-weight: 780;
}

.workflow h3 {
    margin-top: 0;
}

.edition-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.edition-card {
    position: relative;
    padding: 37px;
}

.edition-card-pro {
    border-color: rgba(255, 200, 87, 0.31);
    background:
        linear-gradient(145deg, rgba(255, 200, 87, 0.08), transparent 42%),
        linear-gradient(150deg, rgba(14, 49, 80, 0.82), rgba(6, 25, 44, 0.82));
}

.edition-label {
    color: var(--cyan) !important;
    font-size: 0.72rem !important;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.edition-card-pro .edition-label {
    color: var(--gold) !important;
}

.edition-card h3 {
    margin: 13px 0 15px;
    font-size: 2rem;
}

.edition-card ul {
    display: grid;
    gap: 10px;
    margin: 27px 0;
    padding: 0;
    color: #c5d4e2;
    list-style: none;
}

.edition-card li {
    position: relative;
    padding-left: 22px;
    font-size: 0.9rem;
}

.edition-card li::before {
    position: absolute;
    left: 0;
    color: var(--cyan);
    content: "✓";
}

.edition-card-pro li::before {
    color: var(--gold);
}

.text-link {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    color: var(--cyan);
    font-size: 0.91rem;
    font-weight: 760;
    text-decoration: none;
}

.text-link:hover span,
.text-link:focus-visible span {
    transform: translateX(3px);
}

.text-link span {
    transition: transform 160ms ease;
}

.privacy-section {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(380px, 1.08fr);
    gap: 95px;
    align-items: start;
}

.privacy-section h2,
.cta h2 {
    max-width: 690px;
    margin: 0;
    font-size: clamp(2.25rem, 4vw, 4.1rem);
    letter-spacing: -0.05em;
    line-height: 1.03;
}

.privacy-copy {
    padding: 28px 0 0;
}

.privacy-copy p {
    margin: 0 0 17px;
    color: var(--muted);
}

.privacy-copy .text-link {
    margin-top: 9px;
}

.cta {
    margin: 60px 0 100px;
    padding: clamp(34px, 7vw, 76px);
    overflow: hidden;
    border: 1px solid rgba(0, 226, 210, 0.25);
    border-radius: 28px;
    background:
        radial-gradient(circle at 100% 20%, rgba(0, 226, 210, 0.18), transparent 35%),
        linear-gradient(140deg, rgba(14, 49, 80, 0.92), rgba(7, 28, 54, 0.94));
    box-shadow: var(--shadow);
}

.cta > p:not(.eyebrow) {
    max-width: 630px;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 1.05rem;
}

footer {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 28px;
    align-items: center;
    padding: 30px 0 45px;
    border-top: 1px solid var(--line);
    color: var(--quiet);
    font-size: 0.82rem;
}

footer > div {
    display: flex;
    gap: 22px;
}

footer > div a {
    color: var(--muted);
    text-decoration: none;
}

footer > div a:hover,
footer > div a:focus-visible {
    color: var(--ink);
}

footer p {
    margin: 0;
    text-align: right;
}

.footer-brand {
    color: var(--ink);
    font-size: 0.92rem;
}

.release-main {
    max-width: 900px;
    padding-bottom: 100px;
}

.release-intro {
    padding: 90px 0 72px;
}

.release-intro h1 {
    font-size: clamp(3rem, 7vw, 5.5rem);
}

.release-section {
    padding: 42px 0;
    border-top: 1px solid var(--line);
}

.release-section h2 {
    margin: 0 0 20px;
    font-size: clamp(1.7rem, 3.5vw, 2.5rem);
    letter-spacing: -0.04em;
    line-height: 1.15;
}

.release-section ul {
    display: grid;
    gap: 13px;
    margin: 0;
    padding-left: 1.4em;
    color: var(--muted);
}

.release-section li::marker {
    color: var(--cyan);
}

.release-note {
    margin: 25px 0 0;
    color: var(--muted);
}

/* Status callout for a version that is tagged but not yet on Google Play for
   everyone. Remove it (or change the wording) when the release goes live. */
.release-status {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 14px;
    margin: 26px 0 0;
    padding: 14px 18px;
    border: 1px solid rgba(255, 200, 87, 0.4);
    border-radius: 14px;
    background: rgba(255, 200, 87, 0.08);
    color: var(--muted);
    font-size: 0.95rem;
}

.release-status strong {
    color: var(--gold);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.release-status a {
    color: var(--cyan);
}

.testing-hero {
    max-width: 900px;
    padding: 96px 0 72px;
}

.testing-hero h1 {
    font-size: clamp(3.2rem, 7vw, 6.3rem);
}

.account-note {
    display: inline-flex;
    gap: 8px;
    margin-top: 28px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(85, 169, 255, 0.07);
    color: var(--muted);
    font-size: 0.88rem;
}

.account-note strong {
    color: var(--ink);
}

.testing-steps {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--line);
    list-style: none;
}

.testing-step {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 34px;
    padding: 72px 0;
    border-bottom: 1px solid var(--line);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border: 1px solid rgba(0, 226, 210, 0.3);
    border-radius: 18px;
    background: rgba(0, 226, 210, 0.09);
    color: var(--cyan);
    font-size: 1.25rem;
    font-weight: 800;
}

.step-content {
    max-width: 940px;
}

.step-content h2,
.testing-help h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.45rem);
    letter-spacing: -0.045em;
    line-height: 1.05;
}

.step-content > p:not(.eyebrow) {
    max-width: 750px;
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 1.03rem;
}

.step-actions,
.store-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.test-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 31px;
}

.test-option {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 29px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: linear-gradient(150deg, rgba(14, 49, 80, 0.72), rgba(6, 25, 44, 0.76));
}

.test-option-pro {
    border-color: rgba(255, 200, 87, 0.31);
    background:
        linear-gradient(145deg, rgba(255, 200, 87, 0.08), transparent 42%),
        linear-gradient(150deg, rgba(14, 49, 80, 0.82), rgba(6, 25, 44, 0.82));
}

.test-label {
    margin: 0;
    color: var(--cyan);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.test-option-pro .test-label {
    color: var(--gold);
}

.test-option h3 {
    margin: 11px 0 10px;
    font-size: 1.65rem;
    letter-spacing: -0.03em;
}

.test-option > p:not(.test-label) {
    flex: 1;
    margin: 0 0 24px;
    color: var(--muted);
    font-size: 0.92rem;
}

.tester-code-note,
.membership-note {
    display: grid;
    gap: 4px;
    margin-top: 20px;
    padding: 17px 19px;
    border: 1px solid rgba(255, 200, 87, 0.28);
    border-radius: 13px;
    background: rgba(255, 200, 87, 0.07);
    color: var(--muted);
    font-size: 0.9rem;
}

.tester-code-note strong {
    color: var(--gold);
}

.membership-note {
    max-width: 780px;
    border-color: rgba(85, 169, 255, 0.25);
    background: rgba(85, 169, 255, 0.07);
}

.membership-note strong {
    color: var(--blue);
}

.tester-checklist {
    display: grid;
    gap: 10px;
    max-width: 720px;
    margin: 30px 0 0;
    padding: 0;
    color: #c5d4e2;
    list-style: none;
}

.tester-checklist li {
    position: relative;
    padding-left: 26px;
}

.tester-checklist li::before {
    position: absolute;
    left: 0;
    color: var(--cyan);
    content: "✓";
}

.feedback-actions {
    display: flex;
    gap: 18px;
    align-items: center;
    margin-top: 29px;
}

.feedback-actions p {
    max-width: 550px;
    margin: 0;
    color: var(--quiet);
    font-size: 0.82rem;
}

.testing-help {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
    gap: 76px;
    margin: 80px 0 100px;
    padding: clamp(29px, 5vw, 52px);
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(10, 35, 61, 0.58);
}

.testing-help p:not(.eyebrow) {
    margin: 5px 0 20px;
    color: var(--muted);
}

@media (max-width: 900px) {
    nav a:not(.nav-cta) {
        display: none;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 48px;
        padding-top: 74px;
    }

    .hero-copy {
        max-width: 720px;
    }

    .hero-visual {
        width: min(760px, 100%);
    }

    .hero-visual img {
        transform: none;
    }

    .section-heading,
    .workflow-section,
    .privacy-section,
    .testing-help {
        grid-template-columns: 1fr;
        gap: 38px;
    }

    .section-heading > p:last-child {
        grid-column: 1;
        grid-row: auto;
        max-width: 680px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        display: grid;
        grid-template-columns: 48px 1fr;
        column-gap: 18px;
    }

    .feature-card h3 {
        margin-top: 3px;
    }

    .feature-card p {
        grid-column: 2;
    }

    footer {
        grid-template-columns: 1fr auto;
    }

    footer p {
        display: none;
    }
}

@media (max-width: 620px) {
    .site-header,
    main,
    footer {
        width: min(100% - 28px, 1180px);
    }

    .site-header {
        min-height: 72px;
    }

    .release-intro {
        padding: 58px 0 48px;
    }

    .release-section {
        padding: 34px 0;
    }

    .brand img {
        width: 38px;
        height: 38px;
    }

    .nav-cta {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

    .hero {
        min-height: auto;
        padding: 60px 0 70px;
    }

    h1 {
        font-size: clamp(2.8rem, 14vw, 4.2rem);
    }

    .lede {
        font-size: 1rem;
    }

    .button {
        width: 100%;
    }

    .quick-facts {
        grid-template-columns: 1fr;
    }

    .quick-facts li {
        justify-content: space-between;
    }

    .section {
        padding: 78px 0;
    }

    .section-heading {
        margin-bottom: 38px;
    }

    .feature-card {
        display: block;
        padding: 25px;
    }

    .feature-card h3 {
        margin-top: 20px;
    }

    .edition-grid {
        grid-template-columns: 1fr;
    }

    .test-options {
        grid-template-columns: 1fr;
    }

    .edition-card {
        padding: 27px;
    }

    .workflow li {
        grid-template-columns: 40px 1fr;
        gap: 15px;
    }

    .workflow li > span {
        width: 38px;
        height: 38px;
        border-radius: 11px;
    }

    .privacy-section {
        gap: 12px;
    }

    .cta {
        margin-bottom: 70px;
    }

    .testing-hero {
        padding: 66px 0 54px;
    }

    .testing-step {
        grid-template-columns: 46px minmax(0, 1fr);
        gap: 16px;
        padding: 54px 0;
    }

    .step-number {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        font-size: 1rem;
    }

    .account-note {
        display: grid;
        gap: 1px;
    }

    .feedback-actions {
        display: grid;
    }

    .testing-help {
        margin: 62px 0 74px;
    }

    footer {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }
}