/* PortDrop site — one stylesheet, system fonts, light/dark via prefers-color-scheme. */
:root {
  color-scheme: light dark;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #16181d;
  --muted: #5b6270;
  --border: #e3e6ec;
  --link: #1d5fd6;
  --brand-a: #2973f2;
  --brand-b: #7333d9;
  --button-a: #1d5fd6;
  --button-b: #6a2bd0;
  --code-bg: #eef1f6;
  --shadow: 0 18px 50px rgba(20, 30, 60, .16);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --surface: #171a22;
    --text: #e8eaf0;
    --muted: #9aa3b2;
    --border: #262a35;
    --link: #8ab0ff;
    --code-bg: #1e222c;
    --shadow: 0 18px 50px rgba(0, 0, 0, .55);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--link); }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--brand-a); outline-offset: 3px; border-radius: 4px; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 6vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.1rem); margin-top: 0; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
code, kbd, pre {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .92em;
}
code, kbd { background: var(--code-bg); padding: .12em .4em; border-radius: 5px; }
kbd { border: 1px solid var(--border); }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 1.25rem; }

.skip {
  position: absolute; left: -999px; top: 0; padding: .5rem 1rem;
  background: var(--surface); color: var(--text); z-index: 10;
}
.skip:focus { left: 1rem; }

.top nav { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; padding: 1rem 1.25rem; }
.top nav a { color: var(--text); text-decoration: none; font-weight: 500; }
.top nav a:hover { color: var(--link); }
.brand { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; margin-right: auto; }

main > section { padding: 3.5rem 0; border-top: 1px solid var(--border); }
main > section:first-child { border-top: 0; }

.hero { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; padding-top: 2rem; }
@media (min-width: 880px) { .hero { grid-template-columns: 1.1fr .9fr; } }
.hero-text { position: relative; isolation: isolate; }
.hero-text::before {
  content: ""; position: absolute; inset: -40% -20% auto -30%; height: 120%; z-index: -1;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--brand-a) 22%, transparent), transparent 70%);
  pointer-events: none;
}
.app-icon { display: block; margin-bottom: 1rem; }
.tagline { font-size: 1.35rem; font-weight: 500; }
.lede { font-size: 1.1rem; color: var(--muted); }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; }
.button {
  display: inline-block; padding: .8rem 1.3rem; border-radius: 12px; font-weight: 600; color: #fff; text-decoration: none;
  background: linear-gradient(135deg, var(--button-a), var(--button-b));
  box-shadow: 0 6px 18px color-mix(in srgb, var(--brand-b) 35%, transparent);
}
.button:hover { filter: brightness(1.06); }
.hero-shot { margin: 0; justify-self: center; }
.hero-shot img { display: block; filter: drop-shadow(0 20px 40px rgba(20, 30, 60, .25)); }

.cmd { display: flex; align-items: stretch; gap: 0; margin: .75rem 0 1rem; max-width: 100%; }
.cmd pre {
  flex: 1; margin: 0; padding: .7rem 1rem; overflow-x: auto;
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px 0 0 10px;
}
.cmd pre code { background: none; padding: 0; }
.cmd button {
  font: inherit; font-size: .9rem; font-weight: 600; padding: 0 1rem; cursor: pointer;
  color: var(--text); background: var(--surface); border: 1px solid var(--border); border-left: 0; border-radius: 0 10px 10px 0;
}
.cmd button:hover { background: var(--code-bg); }
.cmd pre:has(+ button[hidden]) { border-radius: 10px; }

.features { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.features li { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 1.1rem 1.2rem; }
.features h3 { margin-bottom: .3rem; }
.features p { margin: 0; color: var(--muted); font-size: .97rem; }

.cols { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .cols { grid-template-columns: 1fr 1fr; } }
.cols ol { padding-left: 1.3rem; }
.cols li { margin-bottom: .5rem; }

.faq { margin: 0; }
.faq-item { padding: 1rem 0; border-top: 1px solid var(--border); }
.faq-item:first-child { border-top: 0; }
.faq dt { font-weight: 600; font-size: 1.08rem; margin-bottom: .35rem; }
.faq dd { margin: 0; color: var(--muted); }
.faq dd code { color: var(--text); }

.crumbs { color: var(--muted); font-size: .95rem; margin: 1.5rem 0 .75rem; }
.releases { display: grid; gap: 1.25rem; margin: 2rem 0 3rem; }
.release { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 1.4rem 1.5rem; }
.release header h2 { font-size: 1.5rem; margin-bottom: .2rem; }
.release header h2 a { color: inherit; text-decoration: none; }
.release header h2 a:hover { color: var(--link); }
.release header p { margin-bottom: .75rem; }
.badge {
  display: inline-block; vertical-align: middle; margin-left: .35rem; padding: .15em .6em; border-radius: 999px;
  font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: #fff;
  background: linear-gradient(135deg, var(--button-a), var(--button-b));
}
.badge-pre { background: var(--muted); color: var(--bg); }
.notes { overflow-x: auto; }
.notes > :first-child { margin-top: 0; }
.notes ul, .notes ol { padding-left: 1.3rem; }
.notes li { margin-bottom: .25rem; }
.notes tt { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
.notes h3, .notes h4, .notes h5, .notes h6 { font-size: 1.05rem; margin: 1rem 0 .4rem; }
.assets { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin: 1rem 0 0; padding-top: .9rem; border-top: 1px solid var(--border); }

.hero-404 { display: block; text-align: center; padding: 4rem 0; }
.hero-404 .app-icon { margin: 0 auto 1rem; }

.bottom { border-top: 1px solid var(--border); padding: 2rem 0 3rem; color: var(--muted); font-size: .95rem; }
.bottom p { margin-bottom: .4rem; }