/* htmldb.com */
:root {
	--bg: #0d1117;
	--bg2: #111823;
	--panel: #161e2b;
	--line: #263142;
	--text: #e6edf3;
	--dim: #9aa7b8;
	--accent: #4c8dff;
	--dev: #3fb950;
	--tst: #d29922;
	--prd: #f85149;
	--display: 'Big Shoulders Display', 'Arial Narrow', sans-serif;
	--sans: 'Instrument Sans', system-ui, sans-serif;
	--mono: 'JetBrains Mono', ui-monospace, monospace;
	color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
img, video { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--display); font-weight: 800; line-height: 1.05; letter-spacing: .01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.35rem; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 24px; }
.wrap.section { padding-left: 24px; padding-right: 24px; }
.section-lead, .lead { color: var(--dim); font-size: 1.12rem; max-width: 720px; }
.lead b { color: var(--text); font-weight: 600; }
.kicker { font: 600 .78rem/1 var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--c, var(--accent)); margin: 0 0 18px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(13, 17, 23, .86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 800 1.6rem/1 var(--display); letter-spacing: .02em; }
.logo-mark { font: 600 .8rem/1 var(--mono); color: #fff; background: var(--accent); border-radius: 6px; padding: 6px 7px; }
nav { display: flex; align-items: center; gap: 4px; }
nav a { color: var(--dim); text-decoration: none; font-weight: 500; font-size: .95rem; padding: 8px 12px; border-radius: 8px; border-bottom: 2px solid transparent; }
nav a:hover { color: var(--text); background: var(--panel); }
nav a.on { color: var(--text); border-bottom-color: var(--c, var(--accent)); border-radius: 8px 8px 0 0; }
nav a.cta { color: #fff; background: var(--accent); margin-left: 8px; }
nav a.cta:hover { background: #3a7cf0; }
.menu { display: none; background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; font: 500 .95rem var(--sans); cursor: pointer; }

/* buttons */
.btn { display: inline-block; padding: 12px 22px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--text); text-decoration: none; font: 600 1rem var(--sans); cursor: pointer; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); background: #1c2636; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #3a7cf0; }

/* hero */
.hero { padding: 88px 0 64px; background: radial-gradient(1000px 500px at 85% -10%, rgba(76, 141, 255, .22), transparent 60%), radial-gradient(700px 400px at 0% 110%, rgba(63, 185, 80, .10), transparent 60%); }
.hero-in { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-code { margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 24px; font: 13.5px/1.7 var(--mono); color: var(--text); overflow-x: auto; tab-size: 4; box-shadow: 0 30px 80px rgba(0, 0, 0, .45); font-variant-ligatures: none; }
.hero-code .c { color: #6e7d91; }
.hero-code .k { color: #ff7b72; }
.hero-code .s { color: #a5d6ff; }

/* video */
.band { padding: 30px 0; background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.video-frame { border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: #000; aspect-ratio: 16 / 9; box-shadow: 0 30px 80px rgba(0, 0, 0, .5); }
.video-frame video { width: 100%; height: 100%; }
.caption { color: var(--dim); text-align: center; margin: 16px 0 0; font-size: .95rem; }

/* app cards */
.apps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 32px; }
.apps.small { grid-template-columns: repeat(3, 1fr); }
.app-card { display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--c); border-radius: 12px; overflow: hidden; color: var(--text); text-decoration: none; transition: transform .15s, border-color .15s; }
.app-card:hover { transform: translateY(-3px); border-color: var(--c); }
.app-card img { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; height: auto; border-bottom: 1px solid var(--line); }
.app-name { font: 800 1.45rem/1.1 var(--display); padding: 16px 18px 4px; }
.app-tag { color: var(--dim); padding: 0 18px; font-size: .95rem; flex: 1; }
.app-more { color: var(--c); font-weight: 600; font-size: .9rem; padding: 14px 18px 18px; }

/* pipeline */
.pipe { display: flex; align-items: stretch; gap: 12px; margin: 32px 0; }
.env { flex: 1; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; border-left: 4px solid; }
.env b { display: block; font: 800 2rem/1 var(--display); }
.env span { color: var(--dim); }
.env.dev { border-left-color: var(--dev); } .env.dev b { color: var(--dev); }
.env.tst { border-left-color: var(--tst); } .env.tst b { color: var(--tst); }
.env.prd { border-left-color: var(--prd); } .env.prd b { color: var(--prd); }
.pipe-arrow { display: flex; flex-direction: column; justify-content: center; align-items: center; color: var(--text); font-weight: 600; font-size: .95rem; padding: 0 6px; }
.pipe-arrow small { color: var(--dim); font: 400 .75rem var(--mono); }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 32px; }
.ticks li, .feature li { position: relative; padding-left: 26px; }
.ticks li::before, .feature li::before { content: ''; position: absolute; left: 2px; top: .55em; width: 10px; height: 6px; border-left: 2px solid var(--c, var(--accent)); border-bottom: 2px solid var(--c, var(--accent)); transform: rotate(-45deg); }

/* security */
.dark-band { background: #090d13; }
.dark-band .section { padding-top: 16px; padding-bottom: 16px; }
.sec-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin: 28px 0; }
.sec-item { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 22px; }
.sec-item h3 { color: #ff8f73; }
.sec-item p { color: var(--dim); margin: 0; }
.layers { display: grid; gap: 18px; }
.layer { display: grid; grid-template-columns: 64px 1fr; gap: 20px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 26px; }
.layer-n { font: 900 3rem/1 var(--display); color: #ff8f73; }
.layer p { color: var(--dim); margin: 0; }
.note { color: var(--dim); font-size: .92rem; border-left: 3px solid var(--line); padding-left: 16px; margin-top: 32px; max-width: 820px; }

/* stack */
.stack { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 28px; }
.stack div { border-top: 2px solid var(--accent); padding-top: 14px; }
.stack b { display: block; font: 800 1.3rem/1.2 var(--display); margin-bottom: 6px; }
.stack span { color: var(--dim); font-size: .95rem; }

/* call to action */
.cta-band { text-align: center; }
.cta-band p { color: var(--dim); margin-bottom: 24px; }

/* app pages */
.app-hero { padding: 30px 0; border-top: 3px solid var(--c); background: radial-gradient(900px 400px at 90% 0%, color-mix(in srgb, var(--c) 22%, transparent), transparent 65%); }
.app-hero a { color: var(--c); }
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 24px 26px; }
.feature h2 { font-size: 1.6rem; color: var(--c); }
.feature ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.feature li { color: #c9d3df; }

/* contact */
.contact { display: grid; gap: 18px; max-width: 640px; }
.contact label { display: grid; gap: 6px; font-weight: 600; }
.contact .opt { color: var(--dim); font-weight: 400; }
.contact input, .contact textarea { font: 1rem var(--sans); color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; width: 100%; }
.contact input:focus, .contact textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.contact button { justify-self: start; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.ok, .err { max-width: 640px; border-radius: 10px; padding: 14px 18px; margin-bottom: 24px; }
.ok { background: rgba(63, 185, 80, .12); border: 1px solid var(--dev); }
.err { background: rgba(248, 81, 73, .12); border: 1px solid var(--prd); }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 48px 0 28px; background: var(--bg2); }
.foot-in { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot p { color: var(--dim); font-size: .92rem; }
.foot-links { display: grid; grid-template-columns: repeat(2, auto); gap: 8px 36px; align-content: start; }
.foot-links a { color: var(--dim); text-decoration: none; }
.foot-links a:hover { color: var(--text); }
.foot-small { color: #6e7d91; font-size: .8rem; margin-top: 28px; }

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

@media (max-width: 980px) {
	.hero-in { grid-template-columns: 1fr; }
	.apps, .stack { grid-template-columns: repeat(2, 1fr); }
	.menu { display: block; }
	nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--bg); border-bottom: 1px solid var(--line); padding: 12px 16px 18px; }
	nav.open { display: flex; }
	nav a.on { border-radius: 8px; border-bottom-color: transparent; border-left: 3px solid var(--c, var(--accent)); }
	nav a.cta { margin: 8px 0 0; text-align: center; }
}
@media (max-width: 720px) {
	.wrap, .wrap.section { padding-left: 16px; padding-right: 16px; }
	.section { padding-top: 52px; padding-bottom: 52px; }
	.hero { padding: 56px 0 44px; }
	.pipe { flex-direction: column; }
	.pipe-arrow { flex-direction: row; gap: 8px; padding: 2px 0; }
	.ticks, .features, .apps.small { grid-template-columns: 1fr; }
	.layer { grid-template-columns: 1fr; gap: 6px; padding: 20px; }
	.hero-code { font-size: 12px; padding: 16px; }
}
@media (max-width: 480px) {
	.apps, .stack { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
	* { transition: none !important; scroll-behavior: auto !important; }
}
.app-hero .kicker { margin-bottom: 10px; }
.app-hero .lead { margin-bottom: 0; }