/* ---------------------------------------------------------------------------
   typesati landing page
   Palette comes from the app icon: near-black, indigo, a single white dot.
   Theming is driven by CSS custom properties; [data-theme="dark"] overrides them.
--------------------------------------------------------------------------- */

:root {
    /* Brand constant across both themes */
    --indigo: #4b43c4;
    --indigo-soft: #6f67e0;

    /* Light theme (default) */
    --bg: #f7f7f9;
    --bg-raised: #ffffff;
    --text: #16161d;
    --text-muted: #5c5c6b;
    --border: #e4e4ec;
    --accent: var(--indigo);
    --dot: var(--indigo);
    --shadow:
        0 1px 2px rgba(20, 20, 30, 0.06), 0 12px 32px rgba(20, 20, 30, 0.08);

    --max: 64rem;
    --gutter: clamp(1.25rem, 5vw, 3rem);
    --radius: 16px;

    --font:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
        sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

[data-theme="dark"] {
    --bg: #0c0c10;
    --bg-raised: #16161d;
    --text: #f4f4f6;
    --text-muted: #a0a0b0;
    --border: #26262f;
    --accent: var(--indigo-soft);
    --dot: #f4f4f6;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px rgba(0, 0, 0, 0.5);
}

/* ----------------------------------------------------------------- base */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition:
        background 0.3s ease,
        color 0.3s ease;
}

a {
    color: var(--accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

.skip-link {
    position: absolute;
    left: -999px;
}
.skip-link:focus {
    left: var(--gutter);
    top: 0.75rem;
    z-index: 10;
    background: var(--bg-raised);
    padding: 0.5rem 0.9rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

/* ----------------------------------------------------------------- header */

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    max-width: var(--max);
    margin: 0 auto;
    padding: 1.4rem var(--gutter);
}

.wordmark {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 650;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    color: var(--text);
    text-decoration: none;
}

.wordmark__dot {
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 50%;
    background: var(--indigo);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--indigo) 18%, transparent);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}
.site-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
}
.site-nav a:hover {
    color: var(--text);
}

.theme-toggle {
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid var(--border);
    background: var(--bg-raised);
    border-radius: 50%;
    cursor: pointer;
    color: var(--text);
    transition:
        border-color 0.2s ease,
        transform 0.2s ease;
}
.theme-toggle:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
}

/* Sun in light, moon in dark — drawn with a single element. */
.theme-toggle__icon {
    position: relative;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: currentColor;
}
[data-theme="dark"] .theme-toggle__icon {
    background: transparent;
    box-shadow: inset -4px -4px 0 0 currentColor;
    transform: rotate(-30deg);
}

/* ----------------------------------------------------------------- layout */

.section {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(3.5rem, 9vw, 6rem) var(--gutter);
    border-top: 1px solid var(--border);
}

.section__eyebrow {
    margin: 0 0 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
}

.section__title {
    margin: 0 0 1rem;
    font-size: clamp(1.6rem, 3.5vw, 2.25rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section__body {
    margin: 0 0 1rem;
    max-width: 42rem;
    color: var(--text-muted);
    font-size: 1.075rem;
}
.section__body strong {
    color: var(--text);
}

/* ----------------------------------------------------------------- hero */

.hero {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(2rem, 7vw, 5rem) var(--gutter) clamp(3rem, 8vw, 5.5rem);
    text-align: center;
}

.hero__icon {
    width: clamp(84px, 16vw, 112px);
    height: auto;
    border-radius: 24px;
    filter: drop-shadow(0 18px 40px rgba(75, 67, 196, 0.28));
}

.hero__title {
    margin: 1.75rem auto 1.25rem;
    font-size: clamp(2rem, 6vw, 3.4rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
    font-weight: 700;
}

.hero__sub {
    margin: 0 auto 2rem;
    max-width: 38rem;
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    color: var(--text-muted);
}

.hero__cta {
    display: grid;
    gap: 0.85rem;
    justify-items: center;
}
.hero__note {
    margin: 0;
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* ----------------------------------------------------------------- buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease;
}

.btn--primary {
    background: var(--indigo);
    color: #fff;
    box-shadow: 0 8px 24px rgba(75, 67, 196, 0.35);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(75, 67, 196, 0.45);
    background: var(--indigo-soft);
}

/* ----------------------------------------------------------------- idea */

.idea__grid {
    display: grid;
    gap: 1.5rem;
    margin: 1.5rem 0 2.25rem;
}
@media (min-width: 40rem) {
    .idea__grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

.idea__term {
    display: grid;
    gap: 0.4rem;
    padding-left: 1.1rem;
    border-left: 3px solid var(--accent);
}
.idea__word {
    font-family: var(--mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
}
.idea__gloss {
    color: var(--text-muted);
}
.idea__pali {
    display: block;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 0.2rem;
}

.idea__conclusion {
    margin: 0;
    font-size: clamp(1.4rem, 3.5vw, 2rem);
    letter-spacing: -0.02em;
    line-height: 1.3;
}
.idea__conclusion strong {
    color: var(--accent);
}

/* ----------------------------------------------------------------- shows */

.shows {
    display: grid;
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: center;
}
@media (min-width: 52rem) {
    .shows {
        grid-template-columns: 1fr 1fr;
    }
}

/* Framed app screenshot — e.g. the progress window. */
.screenshot {
    margin: clamp(2rem, 5vw, 3rem) 0 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    background: var(--bg-raised);
}
.screenshot img {
    display: block;
    width: 100%;
    height: auto;
}

.menubar {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.menubar__header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 1.15rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.menubar__dot {
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    background: #e5484d;
    box-shadow: 0 0 0 4px color-mix(in srgb, #e5484d 22%, transparent);
}

.menubar__stats {
    margin: 0;
    padding: 0.4rem 0;
}
.stat {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.6rem 1.15rem;
}
.stat dt {
    color: var(--text-muted);
    font-size: 0.95rem;
}
.stat dd {
    margin: 0;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    text-align: right;
}
.stat__split {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.85rem;
}
.stat--accent dd {
    color: var(--accent);
    font-size: 1.15rem;
}

/* ----------------------------------------------------------------- privacy */

.classify {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0;
}
.classify__chip {
    font-family: var(--mono);
    font-size: 0.95rem;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-raised);
    color: var(--text);
}

/* ------------------------------------------------ reinforce good habits */

.combos {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(1.75rem, 5vw, 3rem);
    margin-top: 2rem;
}
.combo {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.combo__keys {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}
.combo__plus {
    color: var(--text-muted);
    font-weight: 600;
}
.combo__caption {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Physical-looking keycap. The solid 2px bottom border fakes the cap edge. */
.key {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    justify-content: center;
    min-width: 3rem;
    padding: 0.5rem 0.85rem;
    font-size: 2rem;
    font-weight: 600;
    color: var(--text);
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-bottom-width: 3px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}
.key--wide {
    min-width: 7rem;
}
.key__symbol {
    font-size: 2rem;
    line-height: 1;
    opacity: 0.8;
}

.privacy__points {
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.75rem;
    max-width: 42rem;
}
.privacy__points li {
    position: relative;
    padding-left: 1.6rem;
    color: var(--text-muted);
}
.privacy__points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--accent);
}

/* ----------------------------------------------------------------- permission */

.permission__title {
    margin: 0 0 1rem;
    font-size: clamp(1.3rem, 3vw, 1.7rem);
    letter-spacing: -0.02em;
}

/* ----------------------------------------------------------------- closing */

.closing {
    text-align: center;
    display: grid;
    justify-items: center;
    gap: 1.5rem;
}
.closing__dot {
    width: 0.9rem;
    height: 0.9rem;
    border-radius: 50%;
    background: var(--indigo);
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--indigo) 16%, transparent);
}
.closing__title {
    margin: 0;
    font-size: clamp(1.7rem, 4.5vw, 2.6rem);
    letter-spacing: -0.025em;
    line-height: 1.15;
}

/* ----------------------------------------------------------------- footer */

.site-footer {
    max-width: var(--max);
    margin: 0 auto;
    padding: 2.5rem var(--gutter) 3.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 2rem;
}
.site-footer__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 650;
}
.site-footer__links {
    display: flex;
    gap: 1.25rem;
}
.site-footer__links a {
    color: var(--text-muted);
    text-decoration: none;
}
.site-footer__links a:hover {
    color: var(--text);
}
.site-footer__license {
    flex-basis: 100%;
    margin: 0.5rem 0 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.site-footer__credit {
    flex-basis: 100%;
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.site-footer__credit a {
    color: inherit;
    text-decoration-color: var(--accent);
}
.site-footer__credit a:hover {
    color: var(--text);
}