/* Теми: темна (за замовчуванням) і світла. Вибір — data-theme на <html>, інакше системна. */
:root {
  --bg: #0a1120;
  --glow-1: rgba(56, 140, 255, .20);
  --glow-2: rgba(0, 210, 170, .10);
  --grid-line: rgba(120, 170, 255, .05);
  --panel: rgba(20, 31, 52, .62);
  --panel-solid: #121b2d;
  --panel-2: rgba(28, 42, 68, .7);
  --line: rgba(130, 170, 230, .16);
  --line-strong: rgba(90, 175, 255, .55);
  --text: #e8eef8;
  --muted: #8f9cb4;
  --accent: #5ab8ff;
  --accent-2: #5fe0a6;
  --btn-text: #06101f;
  --shadow: 0 10px 30px rgba(0, 0, 0, .25);
  --glow: 0 0 0 1px rgba(90, 175, 255, .22), 0 10px 34px rgba(40, 130, 255, .14);
  --ok-bg: #12281d; --ok-line: #2c5a37; --ok-text: #b6e8bf;
  --bad-bg: #2a1616; --bad-line: #5c2b2b; --bad-text: #f0b4ad;
  --radius: 12px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3f6fb;
    --glow-1: rgba(60, 140, 255, .12);
    --glow-2: rgba(20, 190, 140, .10);
    --grid-line: rgba(40, 80, 140, .05);
    --panel: rgba(255, 255, 255, .82);
    --panel-solid: #ffffff;
    --panel-2: #eef3fa;
    --line: #dde5ef;
    --line-strong: rgba(25, 160, 110, .55);
    --text: #15202f;
    --muted: #5a6779;
    --accent: #1f78e0;
    --accent-2: #15935f;
    --btn-text: #ffffff;
    --shadow: 0 8px 24px rgba(30, 60, 110, .08);
    --glow: 0 0 0 1px rgba(25, 160, 110, .18), 0 10px 28px rgba(25, 160, 110, .10);
    --ok-bg: #e6f6ec; --ok-line: #a8dcb9; --ok-text: #1d6b3a;
    --bad-bg: #fdecea; --bad-line: #f1b8b2; --bad-text: #a1322a;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f3f6fb;
  --glow-1: rgba(60, 140, 255, .12);
  --glow-2: rgba(20, 190, 140, .10);
  --grid-line: rgba(40, 80, 140, .05);
  --panel: rgba(255, 255, 255, .82);
  --panel-solid: #ffffff;
  --panel-2: #eef3fa;
  --line: #dde5ef;
  --line-strong: rgba(25, 160, 110, .55);
  --text: #15202f;
  --muted: #5a6779;
  --accent: #1f78e0;
  --accent-2: #15935f;
  --btn-text: #ffffff;
  --shadow: 0 8px 24px rgba(30, 60, 110, .08);
  --glow: 0 0 0 1px rgba(25, 160, 110, .18), 0 10px 28px rgba(25, 160, 110, .10);
  --ok-bg: #e6f6ec; --ok-line: #a8dcb9; --ok-text: #1d6b3a;
  --bad-bg: #fdecea; --bad-line: #f1b8b2; --bad-text: #a1322a;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font: 16px/1.6 "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  background:
    radial-gradient(900px 500px at 85% -5%, var(--glow-1), transparent 60%),
    radial-gradient(700px 500px at -10% 30%, var(--glow-2), transparent 60%),
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 48px 48px,
    var(--bg);
  background-attachment: fixed;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 32px; }
section[id] { scroll-margin-top: 72px; }

/* Шапка */
.top-bar { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 12px; padding-bottom: 12px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 21px; letter-spacing: .3px; }
.logo b { color: var(--accent); font-weight: 700; }
.logo:hover { text-decoration: none; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--muted); }
.nav a:hover, .nav a[aria-current] { color: var(--text); text-decoration: none; }
.nav .btn.small { color: var(--text); }
.theme-toggle {
  display: inline-grid; place-items: center; width: 34px; height: 34px; padding: 0; cursor: pointer;
  border: 1px solid var(--line); border-radius: 9px; background: var(--panel); color: var(--muted); font-size: 16px;
}
.theme-toggle:hover { color: var(--text); border-color: var(--line-strong); }

/* Кнопки */
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 9px;
  border: 1px solid var(--line); background: var(--panel); color: var(--text); font-size: 15px;
}
.btn:hover { border-color: var(--line-strong); text-decoration: none; }
.btn.primary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 88%, white), var(--accent));
  border-color: var(--accent); color: var(--btn-text); font-weight: 600;
  box-shadow: 0 6px 22px color-mix(in srgb, var(--accent) 35%, transparent);
}
.btn.primary:hover { filter: brightness(1.06); }
.btn.small { padding: 5px 14px; font-size: 14px; }

/* Головна: перший екран */
.hero { padding-top: 48px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px; align-items: center; }
.eyebrow { margin: 0 0 10px; color: var(--accent-2); font-size: 13px; letter-spacing: 1.2px; text-transform: uppercase; font-weight: 600; }
.hero h1 { margin: 0 0 14px; font-size: 46px; line-height: 1.1; letter-spacing: -.5px; }
.lead { margin: 0; max-width: 58ch; font-size: 18px; color: var(--muted); }
.hero .actions { margin-top: 24px; }
.hero-art { width: 100%; height: auto; filter: drop-shadow(0 20px 40px rgba(20, 90, 200, .25)); }

/* Ілюстрація дашборда: кольори з теми */
.da-win { fill: var(--panel-solid); stroke: var(--line); }
.da-side { fill: var(--panel-2); }
.da-card { fill: var(--panel-2); stroke: var(--line); }
.da-pop { fill: var(--panel-solid); stroke: var(--line-strong); }
.da-t { fill: var(--text); font: 600 11px "Segoe UI", sans-serif; }
.da-s { fill: var(--muted); font: 9px "Segoe UI", sans-serif; }
.da-k { font: 700 13px "Segoe UI", sans-serif; }
.da-up { fill: var(--accent-2); }
.da-dn { fill: #ef7b6f; }
.da-line { fill: var(--line); }
.da-a { fill: var(--accent); }
.da-b { fill: var(--accent-2); }
.da-a-s { stroke: var(--accent); }
.da-b-s { stroke: var(--accent-2); }
.da-dim { stroke: var(--line); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 36px; }
.stats > div {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 14px 18px; display: flex; align-items: baseline; gap: 10px;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.stats strong { font-size: 24px; white-space: nowrap; color: var(--accent-2); }
.stats > div:nth-child(even) strong { color: var(--accent); }
.stats span { color: var(--muted); font-size: 14px; line-height: 1.3; }

.block { padding-top: 48px; }
.block h2 { margin: 0 0 18px; font-size: 28px; line-height: 1.2; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }

.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.services { grid-template-columns: repeat(3, 1fr); gap: 14px; }
.svc {
  position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--glow); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: border-color .15s, transform .15s;
}
.svc:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.svc h3 { margin: 0 0 4px; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.svc i { font-style: normal; color: var(--accent); width: 22px; text-align: center; }
.svc:nth-child(3n+2) i { color: var(--accent-2); }
.svc p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }

.configs { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; margin-top: 18px; font-size: 14px; }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { display: flex; }
.chips a { border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 4px 13px; color: var(--text); transition: border-color .15s, color .15s; }
.chips a::after { content: " ↗"; color: var(--muted); font-size: 12px; }
.chips a:hover { border-color: var(--line-strong); color: var(--accent); text-decoration: none; }

.partner {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: center;
  border: 1px solid var(--line); border-radius: 16px; padding: 28px; box-shadow: var(--glow);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, var(--panel-solid)) 0%, var(--panel) 65%);
}
.partner h2 { margin-bottom: 10px; }
.partner p { margin: 0; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.ticks li::before { content: "✓"; color: var(--accent-2); margin-right: 10px; font-weight: 700; }

/* Картки проєктів */
.card {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px; color: var(--text); transition: border-color .15s, transform .15s;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.card:hover { border-color: var(--line-strong); text-decoration: none; transform: translateY(-2px); }
.card h2 { margin: 0; font-size: 18px; word-break: break-word; }
.card p { margin: 0; color: var(--muted); flex: 1; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--muted); align-items: center; }
.lang::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--dot, var(--muted)); margin-right: 6px; }
.tag { border: 1px solid var(--line); border-radius: 999px; padding: 1px 9px; font-size: 12px; color: var(--muted); }

/* Сторінки проєктів */
.intro { padding: 16px 0 28px; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.intro h1 { margin: 0 0 8px; font-size: 32px; line-height: 1.2; }
.intro p { margin: 0; max-width: 60ch; }
.phead { padding: 8px 0 24px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.phead h1 { margin: 0 0 8px; font-size: 30px; line-height: 1.2; word-break: break-word; }
.phead > p { margin: 0 0 16px; color: var(--muted); max-width: 70ch; }

/* README, згенерований GitHub */
.readme { overflow-wrap: anywhere; }
.readme h1, .readme h2, .readme h3 { line-height: 1.3; margin: 1.6em 0 .6em; }
.readme h1 { font-size: 24px; } .readme h2 { font-size: 20px; border-bottom: 1px solid var(--line); padding-bottom: 6px; } .readme h3 { font-size: 17px; }
.readme > :first-child, .readme .markdown-heading:first-child h1, .readme article > :first-child { margin-top: 0; }
.readme .anchor, .readme .octicon { display: none; }
.readme img { max-width: 100%; height: auto; border-radius: 6px; }
.readme code { font: 14px/1.5 Consolas, "Cascadia Mono", monospace; background: var(--panel-2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; }
.readme pre { background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; overflow-x: auto; }
.readme pre code { background: none; border: 0; padding: 0; }
.readme table { border-collapse: collapse; display: block; overflow-x: auto; max-width: 100%; }
.readme th, .readme td { border: 1px solid var(--line); padding: 6px 12px; text-align: left; }
.readme blockquote { margin: 0; padding: 0 16px; border-left: 3px solid var(--line); color: var(--muted); }
.readme hr { border: 0; border-top: 1px solid var(--line); }

.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; border-top: 1px solid var(--line); margin-top: 48px; padding-top: 20px; padding-bottom: 24px; font-size: 13px; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .hero h1 { font-size: 36px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .services { grid-template-columns: repeat(2, 1fr); }
  .partner { grid-template-columns: 1fr; gap: 18px; }
}
@media (max-width: 620px) {
  .nav { gap: 10px; }
  .nav a:not(.btn) { display: none; }
  .hero { padding-top: 32px; }
  .hero h1 { font-size: 30px; }
  .hero h1 br { display: none; }
  .lead { font-size: 16px; }
  .stats { gap: 8px; }
  .stats > div { flex-direction: column; gap: 0; padding: 10px 14px; }
  .block { padding-top: 40px; }
  .block h2 { font-size: 22px; }
  .services { grid-template-columns: 1fr 1fr; gap: 8px; }
  .svc { padding: 10px 12px; }
  .svc h3 { margin: 0; font-size: 14px; gap: 8px; }
  .svc p { display: none; }
  .partner { padding: 20px; }
  .intro h1, .phead h1 { font-size: 26px; }
}

/* Контакти */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.contact-card {
  display: flex; flex-direction: column; gap: 2px; padding: 18px 20px; color: var(--text);
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--glow);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); transition: border-color .15s, transform .15s;
}
a.contact-card:hover { border-color: var(--line-strong); transform: translateY(-2px); text-decoration: none; }
.contact-card b { font-size: 19px; font-weight: 600; overflow-wrap: anywhere; }
.contact-card .muted { font-size: 13px; }
.c-ico { color: var(--accent); font-size: 20px; margin-bottom: 6px; }
@media (max-width: 620px) { .nav a.nav-keep { display: inline; } }

/* Розробки для BAS (сторінка «Напрацювання») */
.sec-title { margin: 0 0 16px; font-size: 22px; line-height: 1.2; }
#bas { margin-bottom: 40px; }
.dev-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.dev-group {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--glow);
  padding: 16px 20px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.dev-group h3 { margin: 0 0 10px; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.dev-group i { font-style: normal; color: var(--accent); width: 22px; text-align: center; }
.dev-group:nth-child(even) i { color: var(--accent-2); }
.dev-group ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.dev-group li { position: relative; padding-left: 16px; color: var(--text); font-size: 15px; line-height: 1.45; }
.dev-group li::before { content: ""; position: absolute; left: 2px; top: .6em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); opacity: .8; }
@media (max-width: 760px) { .dev-grid { grid-template-columns: 1fr; } }

/* Take Order — власні конфігурації (фірмовий жовтий із логотипа) */
:root { --to-gold: #e2b52c; }
.to {
  position: relative; margin-bottom: 40px; padding: 26px; border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--to-gold) 45%, var(--line));
  background:
    radial-gradient(600px 240px at 100% 0%, color-mix(in srgb, var(--to-gold) 16%, transparent), transparent 70%),
    var(--panel);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--to-gold) 15%, transparent), 0 12px 36px color-mix(in srgb, var(--to-gold) 12%, transparent);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.to-head { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; margin-bottom: 22px; }
.to-logo { width: 72px; height: 72px; filter: drop-shadow(0 6px 16px color-mix(in srgb, var(--to-gold) 40%, transparent)); }
.to .eyebrow { color: var(--to-gold); }
.to h2 { margin: 0 0 6px; font-size: 30px; line-height: 1.1; }
.to-head p.muted { margin: 0; max-width: 62ch; }
.to-badges { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 600;
  color: var(--to-gold); border: 1px solid color-mix(in srgb, var(--to-gold) 50%, transparent);
  background: color-mix(in srgb, var(--to-gold) 10%, transparent);
}
.pill svg { width: 16px; height: 16px; }
.pill.small { padding: 2px 10px; font-size: 12px; align-self: flex-start; margin-top: auto; }
.pill.alt { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.to-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.to-card {
  display: flex; flex-direction: column; gap: 4px; padding: 16px; border-radius: var(--radius);
  background: var(--panel-2); border: 1px solid var(--line); transition: border-color .15s, transform .15s;
}
.to-card:hover { border-color: color-mix(in srgb, var(--to-gold) 60%, transparent); transform: translateY(-2px); }
.to-card b { font-size: 16px; }
.to-card .muted { font-size: 13px; line-height: 1.4; margin-bottom: 10px; }
.to-ico { width: 30px; height: 30px; color: var(--to-gold); margin-bottom: 6px; }

.subchips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.subchips span { font-size: 12.5px; padding: 1px 9px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); background: var(--panel-2); }
.dev-group a.ext { margin-left: 6px; font-weight: 600; }

@media (max-width: 860px) {
  .to-grid { grid-template-columns: repeat(2, 1fr); }
  .to-head { grid-template-columns: auto 1fr; }
  .to-badges { grid-column: 1 / -1; flex-direction: row; align-items: center; }
}
@media (max-width: 520px) {
  .to { padding: 18px; }
  .to-head { grid-template-columns: 1fr; gap: 12px; }
  .to-logo { width: 56px; height: 56px; }
  .to h2 { font-size: 24px; }
}
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) { --to-gold: #a87b06; } }
:root[data-theme="light"] { --to-gold: #a87b06; }
.to-pair { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin: -6px 0 20px; font-size: 14px; }
.to-pair .chips a:hover { border-color: color-mix(in srgb, var(--to-gold) 60%, transparent); color: var(--to-gold); }

/* Take Order — короткий блок на головній */
.to-short { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; margin-bottom: 0; color: var(--text); padding: 22px 26px; transition: transform .15s, border-color .15s; }
.to-short:hover { text-decoration: none; transform: translateY(-2px); border-color: color-mix(in srgb, var(--to-gold) 70%, transparent); }
.to-short .to-logo { width: 64px; height: 64px; }
.to-short h2 { margin: 0 0 4px; font-size: 26px; }
.to-short .eyebrow { margin-bottom: 4px; }
.to-short-text p.muted { margin: 0; }
.to-mini { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.to-mini li { font-size: 13px; padding: 2px 11px; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--to-gold) 45%, transparent); color: var(--text); background: color-mix(in srgb, var(--to-gold) 8%, transparent); }
.to-more { color: var(--to-gold); font-weight: 600; white-space: nowrap; }
@media (max-width: 620px) {
  .to-short { grid-template-columns: auto 1fr; padding: 18px; gap: 14px; }
  .to-short .to-logo { width: 48px; height: 48px; }
  .to-short h2 { font-size: 22px; }
  .to-more { grid-column: 1 / -1; }
}
