/* Project page */
html[data-lang="en"] [lang="tr"]:not(html), html[data-lang="tr"] [lang="en"]:not(html) { display: none !important; }
body { background: var(--bg); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
header.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
header.nav .wrap { display: flex; align-items: center; gap: 12px; height: 60px; }
header.nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: none; }
header.nav .brand img { width: 30px; height: 30px; border-radius: 8px; }
header.nav .sp { flex: 1; }
.tbtn { border: 1px solid var(--line-2); background: var(--surface); border-radius: 999px; padding: 5px 12px; font-size: 13px; font-weight: 700; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.tbtn .icon { width: 16px; height: 16px; }
.hero { padding: 64px 0 40px; }
.eyebrow { display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--brand-dark); background: var(--brand-soft); padding: 4px 10px; border-radius: 999px; }
.hero h1 { font-size: clamp(30px, 5.4vw, 52px); line-height: 1.08; margin: 16px 0 14px; letter-spacing: -0.02em; max-width: 16ch; }
.hero p.lead { font-size: clamp(16px, 2.1vw, 19px); color: var(--ink-2); max-width: 60ch; margin: 0 0 26px; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; border-radius: 12px; padding: 12px 18px; font-weight: 700; text-decoration: none; background: var(--brand); color: #1A1A1A; border: 0; }
.btn.ghost { background: var(--surface); color: var(--ink); border: 1px solid var(--line-2); }
.btn:focus-visible, .tbtn:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.hero .meta { margin-top: 18px; font-size: 13px; color: var(--ink-3); }
section { padding: 44px 0; border-top: 1px solid var(--line); }
section h2 { font-size: clamp(22px, 3vw, 30px); margin: 0 0 8px; letter-spacing: -0.01em; }
section .intro { color: var(--ink-2); max-width: 66ch; margin: 0 0 24px; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; }
.box { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.box h3 { margin: 0 0 6px; font-size: 16px; display: flex; gap: 8px; align-items: center; }
.box h3 .icon { color: var(--brand-dark); }
.box p, .box li { color: var(--ink-2); font-size: 14.5px; margin: 0; }
.box ul { margin: 6px 0 0; padding-left: 18px; }
.box li { margin: 4px 0; }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.metric { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; }
.metric .v { font-size: 32px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.metric .l { font-size: 14px; color: var(--ink); font-weight: 600; margin-top: 6px; }
.metric .s { font-size: 12.5px; color: var(--ink-3); margin-top: 4px; }
.metric.hl { background: linear-gradient(135deg, var(--brand), var(--brand-light)); border: 0; color: #1A1A1A; }
.metric.hl .l { color: #1A1A1A; } .metric.hl .s { color: #4a3a10; }
.group-title { font-size: 13px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); margin: 26px 0 10px; }
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; margin-top: 18px; }
.chartbox { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 16px; }
.chartbox h3 { margin: 0 0 2px; font-size: 15px; }
.chartbox .s { font-size: 12.5px; color: var(--ink-3); margin-bottom: 10px; }
.chartbox .c { position: relative; height: 210px; }
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.timeline li { position: relative; padding: 0 0 18px 30px; }
.timeline li::before { content: ""; position: absolute; left: 0; top: 5px; width: 16px; height: 16px; border-radius: 50%; background: var(--brand); border: 3px solid var(--bg); box-shadow: 0 0 0 1px var(--line-2); }
.timeline .d { font-size: 12.5px; font-weight: 700; color: var(--brand-dark); }
.timeline .tt { font-weight: 700; }
.timeline .x { color: var(--ink-2); font-size: 14.5px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; font-size: 13.5px; }
.callout { background: var(--brand-soft); border-left: 4px solid var(--brand); border-radius: 12px; padding: 16px 18px; color: var(--ink); }
.callout p { margin: 0; }
.demo-cta { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 24px; }
.demo-cta h3 { margin: 0 0 4px; font-size: 20px; }
.demo-cta p { margin: 0; color: var(--ink-2); max-width: 56ch; }
.modules { columns: 3 220px; column-gap: 20px; margin: 0; padding: 0; list-style: none; }
.modules li { break-inside: avoid; padding: 5px 0; border-bottom: 1px dashed var(--line); font-size: 14px; color: var(--ink-2); }
footer { padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: 13px; }
@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 40px 0 28px; }
  header.nav .brand span { display: none; }
  .metric .v { font-size: 28px; }
}

.byline { margin: 6px 0 14px; font-size: 16px; font-weight: 600; opacity: .8; }
.byline a { color: inherit; text-decoration: underline; }