:root {
  --bg: #0b0d12; --bg2: #10131a; --card: #151923; --text: #eef1f5; --muted: #98a0ad;
  --accent: #2ea6ff; --accent2: #6fc3ff; --border: #232a37; --ok: #34c759; --err: #ff5f57;
  --shadow: 0 10px 40px rgba(0, 0, 0, .45);
}
[data-theme="light"] {
  --bg: #f5f7fb; --bg2: #ffffff; --card: #ffffff; --text: #101623; --muted: #5c6675;
  --accent: #0d7fe0; --accent2: #2ea6ff; --border: #e3e8f0; --shadow: 0 10px 30px rgba(16, 40, 80, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; transition: background .25s, color .25s; }
a { color: var(--accent); text-decoration: none; }
main { max-width: 1000px; margin: 0 auto; padding: 0 1.2rem 4rem; }
h1 { font-size: 2.1rem; line-height: 1.22; letter-spacing: -.02em; }
h2 { font-size: 1.55rem; margin: 2.6rem 0 1rem; letter-spacing: -.01em; }
.muted { color: var(--muted); } .center { text-align: center; }

.site-header { position: sticky; top: 0; z-index: 50; display: flex; justify-content: space-between; align-items: center; padding: .8rem 1.4rem; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(14px); flex-wrap: wrap; gap: .6rem; }
.logo { display: flex; align-items: center; gap: .5rem; font-weight: 800; font-size: 1.35rem; color: var(--text); letter-spacing: -.02em; }
.logo svg { display: block; }
.logo span { color: var(--accent); }
.site-header nav { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.site-header nav > a { color: var(--muted); font-weight: 500; }
.site-header nav > a:hover { color: var(--text); }
.site-header select, .theme-btn { background: var(--card); color: var(--text); border: 1px solid var(--border); border-radius: 9px; padding: .35rem .55rem; cursor: pointer; font-size: .95rem; }
.site-footer { border-top: 1px solid var(--border); padding: 1.4rem; text-align: center; color: var(--muted); font-size: .9rem; }

.btn { display: inline-block; background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; border: 0; border-radius: 12px; padding: .8rem 1.7rem; font-weight: 700; font-size: 1rem; cursor: pointer; box-shadow: 0 6px 20px rgba(46, 166, 255, .35); transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(46, 166, 255, .45); }
.btn-small { padding: .45rem 1rem; font-size: .9rem; box-shadow: none; }
.btn-ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); box-shadow: none; }

.hero { position: relative; text-align: center; padding: 4.5rem 0 2.5rem; }
.hero::before { content: ""; position: absolute; inset: -40% -20% auto; height: 130%; background: radial-gradient(ellipse at 50% 0%, rgba(46, 166, 255, .16), transparent 65%); pointer-events: none; }
.hero h1 { font-size: clamp(2.1rem, 5.5vw, 3.2rem); margin-bottom: .7rem; background: linear-gradient(120deg, var(--text) 55%, var(--accent2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero .sub { color: var(--muted); max-width: 660px; margin: 0 auto 1.8rem; font-size: 1.08rem; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 1.6rem; margin: 1rem 0; box-shadow: var(--shadow); transition: transform .18s, border-color .18s; }
a.card:hover, .grid3 .card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card.accent { border-color: var(--accent); position: relative; }
.card.narrow { max-width: 460px; margin: 3.5rem auto; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.1rem; }
.grid3 .card { margin: 0; }

.demo { margin-top: 1.5rem; }
.demo .drop { border: 2px dashed var(--border); border-radius: 14px; padding: 2.4rem 1.5rem; text-align: center; margin-top: 1.1rem; transition: border-color .2s, background .2s; }
.demo .drop.over { border-color: var(--accent); background: rgba(46, 166, 255, .07); }
.demo .drop .row { display: flex; gap: .8rem; justify-content: center; align-items: center; flex-wrap: wrap; }
.rec-timer { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--err); }
.result { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 1.1rem; margin: 1rem 0; white-space: pre-wrap; word-break: break-word; }

.steps { counter-reset: n; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1.1rem; }
.steps li { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 1.3rem; counter-increment: n; box-shadow: var(--shadow); }
.steps li::before { content: counter(n); display: block; width: 2.1rem; height: 2.1rem; line-height: 2.1rem; text-align: center; background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; border-radius: 50%; font-weight: 800; margin-bottom: .6rem; }

.price { font-size: 2.1rem; font-weight: 800; margin: .3rem 0 .1rem; }
.price-sub { color: var(--muted); font-size: .92rem; margin: 0 0 .6rem; }
.badge { position: absolute; top: -0.8rem; right: 1rem; background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; font-size: .75rem; font-weight: 700; padding: .25rem .7rem; border-radius: 999px; }

.faq details { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: .9rem 1.2rem; margin: .55rem 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details[open] summary { color: var(--accent); }

form input[type="email"] { width: 100%; padding: .8rem; border-radius: 10px; border: 1px solid var(--border); background: var(--bg2); color: var(--text); margin-bottom: .9rem; font-size: 1rem; }
form input[type="email"]:focus { outline: 2px solid var(--accent); border-color: transparent; }

.row-between { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: .5rem; }
table.jobs { width: 100%; border-collapse: collapse; }
table.jobs td { padding: .6rem .4rem; border-bottom: 1px solid var(--border); }
.status { font-size: .84rem; padding: .16rem .6rem; border-radius: 999px; background: var(--border); }
.status-done { background: rgba(52, 199, 89, .16); color: var(--ok); }
.status-error, .status-rejected { background: rgba(255, 95, 87, .16); color: var(--err); }

.bloglist { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.1rem; }
.bloglist .card { margin: 0; color: var(--text); }
.post { max-width: 730px; margin: 0 auto; }
.post h1 { margin-top: 2.2rem; }
.post img { max-width: 100%; border-radius: 10px; }
.post ul, .post ol { padding-left: 1.4rem; }
.post h2 { border-bottom: 1px solid var(--border); padding-bottom: .35rem; }

@media (max-width: 640px) {
  h1 { font-size: 1.65rem; }
  .site-header { padding: .7rem .9rem; }
  .site-header nav { gap: .7rem; font-size: .92rem; }
}