/* OpenThinRDP home page. Colours from the logo: night blue and an electric blue gradient. */
:root {
  --bg: #070b16; --bg2: #0c1324; --card: #111a2f; --line: #1f2b45; --text: #e8eefb; --muted: #9aa8c3;
  --blue: #1f6bff; --cyan: #22c3ff; --tcp: #5d6b86; --grad: linear-gradient(90deg, #1f6bff, #22c3ff);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 Inter, "Segoe UI", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; margin-left: auto; margin-right: auto; }
.narrow { max-width: 720px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 16px; }
h1 { font-size: clamp(34px, 4.4vw, 54px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; }
h3 { font-size: 19px; font-weight: 700; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { color: var(--cyan); font-weight: 600; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 14px; }
.lead { font-size: 20px; color: #c9d4ea; max-width: 620px; }
.fine { color: var(--muted); font-size: 14px; }
section { padding: 96px 0; }
.band { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* buttons */
.btn { display: inline-block; padding: 14px 26px; border-radius: 12px; background: var(--grad); color: #fff; font-weight: 700;
  box-shadow: 0 8px 30px rgba(31, 107, 255, .35); transition: transform .15s, box-shadow .15s; }
.btn:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 12px 36px rgba(34, 195, 255, .45); }
.btn-ghost { background: transparent; border: 1px solid #2c3d63; box-shadow: none; color: var(--text); }
.btn-ghost:hover { border-color: var(--cyan); box-shadow: none; }
.btn-sm { padding: 9px 16px; font-size: 15px; border-radius: 10px; }
.ctas { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 18px; }
.ctas.center { justify-content: center; }

/* navigation */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(7, 11, 22, .82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; font-size: 20px; letter-spacing: -0.01em; }
.brand b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand:hover { text-decoration: none; }
.nav nav { display: flex; gap: 24px; margin-left: auto; }
.nav nav a { color: var(--muted); font-size: 15px; font-weight: 500; }
.nav nav a:hover { color: var(--text); text-decoration: none; }

/* hero */
.hero { padding: 80px 0 90px; background: radial-gradient(900px 500px at 75% 20%, rgba(31, 107, 255, .25), transparent 70%),
  radial-gradient(600px 400px at 10% 90%, rgba(34, 195, 255, .12), transparent 70%); overflow: hidden; }
.hero-in { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center; }
.hero-shot { position: relative; }
.window { background: #0f1830; border: 1px solid #263556; border-radius: 14px; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .55), 0 0 0 1px rgba(34, 195, 255, .08); transform: perspective(1400px) rotateY(-6deg); }
.dots { display: flex; gap: 7px; padding: 10px 12px; background: #121c35; }
.dots i { width: 11px; height: 11px; border-radius: 50%; background: #2b3a5c; }
.device { position: absolute; width: 46%; left: -9%; bottom: -14%; border-radius: 10px; overflow: hidden; border: 6px solid #0b1222;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .6); }

/* stats */
.stats { padding: 0; margin-top: -30px; position: relative; z-index: 2; }
.stats-in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.stats-in div { background: var(--card); padding: 26px 24px; }
.stats-in b { display: block; font-size: 34px; font-weight: 800; letter-spacing: -0.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats-in span { color: var(--muted); font-size: 15px; }

/* UDP chart */
.two { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.chart { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 26px 26px 18px; }
.legend { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.legend em { margin-left: auto; font-style: normal; }
.k { display: inline-block; width: 14px; height: 14px; border-radius: 4px; margin-right: -6px; }
.k.tcp { background: var(--tcp); } .k.udp { background: var(--grad); }
.row { display: grid; grid-template-columns: 46px 1fr; align-items: center; gap: 12px; margin: 9px 0; }
.row .l { color: var(--muted); font-size: 14px; text-align: right; font-variant-numeric: tabular-nums; }
.bar { position: relative; height: 30px; border-radius: 8px; background: rgba(255, 255, 255, .04); }
.bar::before { content: ""; position: absolute; inset: 0 auto 0 0; width: max(var(--v), 6px); border-radius: 8px; }
.bar.udp::before { background: var(--grad); box-shadow: 0 0 18px rgba(34, 195, 255, .35); }
.bar.tcp::before { background: var(--tcp); }
.bar b { position: relative; display: block; line-height: 30px; padding-left: 12px; font-size: 14px; font-weight: 700; }
.bar.tcp b { padding-left: calc(max(var(--v), 6px) + 10px); color: #c4cde0; }
.cap { color: var(--muted); font-size: 13px; margin: 14px 0 0; }

/* features */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.cards article { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px; transition: border-color .2s, transform .2s; }
.cards article:hover { border-color: #2f4f8f; transform: translateY(-3px); }
.cards p { color: var(--muted); margin: 0; font-size: 16px; }
.ic { width: 48px; height: 48px; display: grid; place-items: center; font-size: 24px; border-radius: 12px; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(31, 107, 255, .25), rgba(34, 195, 255, .15)); border: 1px solid #27406f; }

/* manager gallery */
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin: 46px 0 36px; }
.gallery img { aspect-ratio: 16 / 9.4; object-fit: cover; object-position: top left; width: 100%; }
.gallery figure { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.gallery figcaption { padding: 16px 20px; color: var(--muted); font-size: 15px; }
.gallery figcaption b { color: var(--text); margin-right: 6px; }

/* steps */
.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 46px 0 40px; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px; }
.steps li > b { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--grad); font-weight: 800; margin-bottom: 16px; }
.steps p { color: var(--muted); margin: 0; font-size: 16px; }

/* comparison */
.tablewrap { overflow-x: auto; margin: 40px 0 20px; border: 1px solid var(--line); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 760px; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; background: #0e1629; }
td:first-child { color: var(--muted); font-weight: 600; }
.us { background: rgba(31, 107, 255, .12); color: var(--text); font-weight: 600; }
th.us { color: #fff; background: linear-gradient(180deg, rgba(31, 107, 255, .45), rgba(31, 107, 255, .2)); }
tr:last-child td { border-bottom: 0; }

/* final call and footer */
.final { background: radial-gradient(700px 300px at 50% 0%, rgba(31, 107, 255, .3), transparent 70%); }
.foot { border-top: 1px solid var(--line); padding: 48px 0 40px; }
.foot-in { display: grid; grid-template-columns: 1fr 2fr; gap: 24px 48px; }
.foot p { color: var(--muted); font-size: 14px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 10px 22px; align-content: start; }
.foot nav a { color: var(--muted); font-size: 15px; }
.foot .fine { grid-column: 1 / -1; margin: 0; }

@media (max-width: 960px) {
  .hero-in, .two { grid-template-columns: 1fr; }
  .hero-shot { margin: 10px 0 40px 8%; }
  .window { transform: none; }
  .cards, .steps { grid-template-columns: 1fr 1fr; }
  .stats-in { grid-template-columns: 1fr 1fr; }
  .nav nav { display: none; }
  .nav .btn-sm { margin-left: auto; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  section { padding: 64px 0; }
  .cards, .steps, .gallery, .foot-in { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .device { display: none; }
  .hero-shot { margin-left: 0; }
}

/* proof cards */
.proof article { text-align: left; }
.big { display: block; font-size: 38px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }


/* menu on phones and tablets: the same links behind a button */
.menu { display: none; position: relative; }
.menu summary { list-style: none; cursor: pointer; font-size: 24px; line-height: 1; padding: 6px 10px; border: 1px solid var(--line); border-radius: 10px; color: var(--text); }
.menu summary::-webkit-details-marker { display: none; }
.menu nav { position: absolute; right: 0; top: 48px; min-width: 230px; display: flex; flex-direction: column; gap: 4px; padding: 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 20px 50px rgba(0, 0, 0, .5); }
.menu nav a { color: var(--text); padding: 8px 10px; border-radius: 8px; }
.menu nav a:hover { background: #18233d; text-decoration: none; }
@media (max-width: 960px) { .menu { display: block; } .nav .btn-sm { margin-left: auto; } }
@media (max-width: 480px) { .nav .btn-sm { display: none; } .menu { margin-left: auto; } }

/* footer in columns */
.foot-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.foot-cols nav { display: flex; flex-direction: column; gap: 8px; }
.foot-cols b { color: var(--text); font-size: 14px; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 4px; }
@media (max-width: 960px) { .foot-cols { grid-template-columns: 1fr 1fr; } }

/* will my computer work */
.fit { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 40px; }
.fit article { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.fit .ok { color: #3ddc97; font-weight: 700; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; }
.fit .try { color: #ffc24b; font-weight: 700; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; }
.fit .no { color: #ff7b7b; font-weight: 700; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; }
.fit p { color: var(--muted); font-size: 15.5px; margin: 8px 0 0; }
@media (max-width: 960px) { .fit { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .fit { grid-template-columns: 1fr; } }