/* Yellowlight marketing site. One stylesheet, no framework, no inline styles (CSP is style-src 'self'). */

:root {
    --paper: #f5f0e6;
    --paper-2: #ebe4d3;
    --ink: #1c1a16;
    --ink-2: #4a463d;
    --muted: #7a7467;
    --line: #d9d0bc;
    --yellow: #febc2e;
    --yellow-edge: #dea123;
    --serif: "New York", ui-serif, Georgia, "Times New Roman", serif;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    --gutter: clamp(1.25rem, 4vw, 3rem);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 1.0625rem;
    line-height: 1.6;
}

::selection { background: var(--yellow); color: var(--ink); }

img { max-width: 100%; height: auto; }

a,
a:link,
a:visited {
    color: var(--ink);
    text-decoration-line: underline;
    text-decoration-color: var(--yellow-edge);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}
a:hover { text-decoration-color: var(--ink); }

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

h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; margin: 0; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); line-height: 1.15; }
h3 { font-size: 1.3rem; line-height: 1.25; }
p { margin: 0 0 1em; }

.yl-skip {
    position: absolute; left: -999px; top: 0;
    background: var(--ink); color: var(--paper); padding: .6rem 1rem; z-index: 100;
}
.yl-skip:focus { left: 0; }

.yl-wrap { max-width: 72rem; margin: 0 auto; padding: 0 var(--gutter); }

/* top bar */
.yl-bar {
    max-width: 72rem; margin: 0 auto; padding: 1.1rem var(--gutter);
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.yl-brand,
.yl-brand:link,
.yl-brand:visited {
    display: inline-flex; align-items: center; gap: .6rem;
    font-family: var(--serif); font-weight: 600; font-size: 1.25rem;
    color: var(--ink); text-decoration: none;
}
.yl-brand img { border-radius: 7px; }
.yl-bar-links { display: flex; align-items: center; gap: 1.6rem; }
.yl-bar-links a,
.yl-bar-links a:link,
.yl-bar-links a:visited {
    color: var(--ink-2); text-decoration: none; font-size: .98rem;
}
.yl-bar-links a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--yellow-edge); }
.yl-bar-links a.yl-bar-cta,
.yl-bar-links a.yl-bar-cta:link,
.yl-bar-links a.yl-bar-cta:visited {
    color: var(--ink); border: 1.5px solid var(--ink); border-radius: 8px;
    padding: .35rem .9rem; font-weight: 500; text-decoration: none;
}
.yl-bar-links a.yl-bar-cta:hover { background: var(--yellow); }

/* buttons + inline links */
.yl-btn,
.yl-btn:link,
.yl-btn:visited {
    display: inline-block; background: var(--ink); color: var(--paper);
    padding: .8rem 1.35rem; border-radius: 8px; font-weight: 500; font-size: 1.02rem;
    text-decoration: none; border: 1.5px solid var(--ink);
}
.yl-btn:hover { background: #000; }
.yl-textlink,
.yl-textlink:link,
.yl-textlink:visited { font-weight: 500; }

/* hero */
.yl-hero {
    max-width: 72rem; margin: 0 auto; padding: clamp(1.5rem, 5vw, 4rem) var(--gutter) clamp(3rem, 7vw, 6rem);
    display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 4.5rem);
    align-items: center;
}
.yl-kicker { display: flex; align-items: center; gap: .55rem; color: var(--ink-2); font-size: .98rem; margin-bottom: 1.1rem; }
.yl-kicker::before {
    content: ""; width: 12px; height: 12px; border-radius: 50%;
    background: var(--yellow); border: 1.5px solid var(--yellow-edge);
}
.yl-hero h1 { font-size: clamp(2.3rem, 4.4vw, 3.6rem); line-height: 1.06; margin-bottom: 1.3rem; }
.yl-lede { font-size: 1.2rem; color: var(--ink-2); max-width: 34rem; }
.yl-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.4rem; margin: 1.8rem 0 1rem; }
.yl-fine { font-size: .9rem; color: var(--muted); margin: 0; }

/* the mock desktop */
.yl-desk-wrap { margin: 0; }
.yl-desk {
    position: relative; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 12px;
    background:
        radial-gradient(120% 90% at 20% 0%, #5f7f86 0%, transparent 60%),
        linear-gradient(165deg, #46636b, #2b3f45);
    box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 24px 48px -24px rgba(28,26,22,.55), 0 0 0 1px rgba(28,26,22,.25);
}

.yl-menubar {
    position: absolute; inset: 0 0 auto 0; height: 26px;
    display: flex; align-items: center; gap: 14px; padding: 0 12px;
    background: rgba(18,26,28,.42); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    color: #f5f0e6; font-size: 11.5px; line-height: 1; z-index: 5;
}
.yl-mb-apple { width: 11px; height: 11px; border-radius: 50% 50% 45% 45%; background: #f5f0e6; opacity: .9; }
.yl-mb-bold { font-weight: 600; }
.yl-mb-spacer { flex: 1; }
.yl-mb-clock { margin-right: 4px; }

.yl-mb-icon {
    position: absolute; top: 0; right: 98px; height: 26px; width: 30px; z-index: 6;
    display: flex; align-items: center; justify-content: center;
    background: transparent; border: 0; padding: 0; cursor: pointer; border-radius: 5px;
}
.yl-dot {
    position: relative; width: 15px; height: 15px; border-radius: 50%;
    border: 1.5px solid #f5f0e6; background: transparent;
    transition: background-color .12s, border-color .12s;
}
.yl-dot::after {
    content: ""; position: absolute; left: 50%; top: 50%; width: 7px; height: 1.6px;
    margin: -.8px 0 0 -3.5px; border-radius: 1px; background: #f5f0e6;
}
.yl-mb-icon:hover .yl-dot,
.yl-mb-icon:focus-visible .yl-dot,
.yl-mb-icon[aria-pressed="true"] .yl-dot { background: var(--yellow); border-color: var(--yellow); }
.yl-mb-icon:hover .yl-dot::after,
.yl-mb-icon:focus-visible .yl-dot::after,
.yl-mb-icon[aria-pressed="true"] .yl-dot::after { background: #2a2314; }
.yl-mb-icon:focus-visible { outline: 2px solid var(--yellow); outline-offset: 0; }

.yl-win {
    position: absolute; background: #fbf8f1; border-radius: 8px; overflow: hidden;
    box-shadow: 0 10px 30px -8px rgba(0,0,0,.5), 0 0 0 1px rgba(0,0,0,.18);
    transition: transform .6s cubic-bezier(.55, 0, .8, .3), opacity .45s ease-in .12s;
    transform-origin: 50% 50%;
}
.yl-win-a { left: 5%; top: 15%; width: 42%; height: 46%; z-index: 1; }
.yl-win-b { left: 28%; top: 27%; width: 44%; height: 44%; z-index: 2; }
.yl-win-c { left: 53%; top: 13%; width: 40%; height: 40%; z-index: 3; }

.yl-desk[data-state="min"] .yl-win { opacity: 0; }
.yl-desk[data-state="min"] .yl-win-a { transform: translate(57%, 124%) scale(.08); }
.yl-desk[data-state="min"] .yl-win-b { transform: translate(0, 104%) scale(.08); }
.yl-desk[data-state="min"] .yl-win-c { transform: translate(-55%, 155%) scale(.08); }
.yl-desk[data-state="out"] .yl-win { transition: transform .5s cubic-bezier(.2, .7, .3, 1), opacity .3s ease-out; }

.yl-win-title {
    display: flex; align-items: center; gap: 5px; height: 18px; padding: 0 8px;
    background: #e9e2d2; border-bottom: 1px solid #d3cab4; font-size: 9.5px; color: #6b6558;
}
.yl-win-title i { width: 7px; height: 7px; border-radius: 50%; background: #ff5f57; }
.yl-win-title i:nth-child(2) { background: var(--yellow); }
.yl-win-title i:nth-child(3) { background: #28c840; }
.yl-win-title span { margin-left: 8px; }

.yl-win-body { padding: 9px 10px; }
.yl-win-body b { display: block; height: 6px; margin: 0 0 7px; border-radius: 3px; background: #d9d0bc; }
.yl-win-body b.yl-short { width: 58%; }
.yl-cols { display: grid; grid-template-columns: 1fr 1.5fr; gap: 12px; }
.yl-term { background: #1f1d19; height: 100%; }
.yl-term b { background: #6f8f64; opacity: .75; }

.yl-dock {
    position: absolute; left: 50%; bottom: 3%; transform: translateX(-50%); z-index: 4;
    display: flex; gap: 7px; padding: 6px 8px; border-radius: 12px;
    background: rgba(245,240,230,.2); border: 1px solid rgba(245,240,230,.3);
}
.yl-dock u { display: block; width: 22px; height: 22px; border-radius: 6px; text-decoration: none; background: #8aa3a8; }
.yl-dock u:nth-child(2) { background: #c9b98f; }
.yl-dock u:nth-child(3) { background: #a1b48f; }
.yl-dock u:nth-child(4) { background: #c99a86; }
.yl-dock u:nth-child(5) { background: #d8d0bc; }

.yl-caption { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: .8rem; font-size: .9rem; color: var(--ink-2); }
.yl-caption-note { color: var(--muted); }

/* how it works */
.yl-band { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(3rem, 7vw, 5.5rem) 0; }
.yl-steps { list-style: none; margin: 2.2rem 0 0; padding: 0; display: grid; gap: 2rem; max-width: 46rem; }
.yl-steps li { display: grid; grid-template-columns: 3rem 1fr; gap: 1.2rem; align-items: start; }
.yl-num {
    display: flex; align-items: center; justify-content: center; width: 2.6rem; height: 2.6rem; border-radius: 50%;
    background: var(--yellow); border: 1.5px solid var(--yellow-edge);
    font-family: var(--serif); font-weight: 600; font-size: 1.25rem;
}
.yl-steps h3 { margin-bottom: .3rem; }
.yl-steps p { margin: 0; color: var(--ink-2); }
.yl-aside { margin: 2.5rem 0 0; padding-left: 1rem; border-left: 3px solid var(--yellow); max-width: 46rem; color: var(--ink-2); }

/* permission */
.yl-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: clamp(1.5rem, 5vw, 4rem); padding-top: clamp(3rem, 7vw, 5.5rem); padding-bottom: clamp(3rem, 7vw, 5.5rem); }
.yl-prose { max-width: 40rem; color: var(--ink-2); }
.yl-prose p:last-child { margin-bottom: 0; }
.yl-prose em { font-style: normal; font-weight: 500; color: var(--ink); }

/* facts */
.yl-facts-wrap { padding-bottom: clamp(3rem, 7vw, 5.5rem); }
.yl-facts { margin: 1.8rem 0 0; max-width: 46rem; border-bottom: 1px solid var(--line); }
.yl-facts > div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: .85rem 0; border-top: 1px solid var(--line); }
.yl-facts dt { color: var(--muted); }
.yl-facts dd { margin: 0; }

/* download strip */
.yl-cta { background: var(--yellow); border-top: 1.5px solid var(--yellow-edge); padding: clamp(2.2rem, 5vw, 3.5rem) 0; }
.yl-cta-inner { max-width: 72rem; margin: 0 auto; padding: 0 var(--gutter); display: flex; align-items: center; gap: 1.6rem; flex-wrap: wrap; }
.yl-cta-inner > div { flex: 1 1 18rem; }
.yl-cta h2 { margin-bottom: .2rem; }
.yl-cta p { margin: 0; color: #3a3220; }
.yl-cta img { border-radius: 22px; }

/* text pages */
.yl-doc { max-width: 46rem; padding-top: clamp(1.5rem, 4vw, 3rem); padding-bottom: clamp(3rem, 7vw, 5rem); margin: 0 auto; }
.yl-doc h1 { font-size: clamp(2.2rem, 4.5vw, 3.2rem); line-height: 1.1; margin-bottom: 1rem; }
.yl-doc h2 { font-size: 1.5rem; margin: 2.2rem 0 .6rem; }
.yl-doc .yl-lede { margin-bottom: 1.6rem; }
.yl-updated { color: var(--muted); font-size: .92rem; }

.yl-faq { margin-top: 2rem; border-bottom: 1px solid var(--line); }
.yl-faq details { border-top: 1px solid var(--line); }
.yl-faq summary {
    cursor: pointer; list-style: none; padding: 1rem 2rem 1rem 0; position: relative;
    font-family: var(--serif); font-weight: 600; font-size: 1.15rem; line-height: 1.3;
}
.yl-faq summary::-webkit-details-marker { display: none; }
.yl-faq summary::after { content: "+"; position: absolute; right: .2rem; top: .85rem; font-family: var(--sans); font-weight: 400; font-size: 1.5rem; line-height: 1; color: var(--muted); }
.yl-faq details[open] summary::after { content: "\2212"; }
.yl-faq details p { margin: 0 0 1.1rem; color: var(--ink-2); max-width: 40rem; }
.yl-faq em { font-style: normal; font-weight: 500; color: var(--ink); }

/* footer */
.yl-foot { border-top: 1px solid var(--line); }
.yl-foot-inner { max-width: 72rem; margin: 0 auto; padding: 1.8rem var(--gutter) 2.4rem; display: flex; flex-wrap: wrap; gap: .6rem 2rem; align-items: baseline; }
.yl-foot-name { font-family: var(--serif); font-weight: 600; margin: 0; }
.yl-foot-name span { color: var(--muted); font-family: var(--sans); font-weight: 400; font-size: .9rem; margin-left: .3rem; }
.yl-foot-links { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; flex: 1; }
.yl-foot-links a,
.yl-foot-links a:link,
.yl-foot-links a:visited { color: var(--ink-2); font-size: .95rem; text-decoration: none; }
.yl-foot-links a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--yellow-edge); }
.yl-foot-copy { margin: 0; color: var(--muted); font-size: .9rem; }

@media (max-width: 56rem) {
    .yl-hero { grid-template-columns: 1fr; }
    .yl-split { grid-template-columns: 1fr; }
}

@media (max-width: 40rem) {
    .yl-bar-links a:not(.yl-bar-cta):not([href="/support"]) { display: none; }
    .yl-bar-links { gap: 1.1rem; }
    .yl-facts > div { grid-template-columns: 1fr; gap: 0; }
    .yl-mb-item:not(.yl-mb-clock) { display: none; }
    .yl-mb-icon { right: 92px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .yl-win, .yl-desk[data-state="out"] .yl-win { transition: none; }
}