:root {
  --brand: #7731FF; --brand-soft: rgba(119, 49, 255, .10);
  --text: #17161c; --muted: #6b6878; --line: rgba(20, 18, 30, .08);
  --bg: #f5f4fa; --card: #ffffff; --chip: #efedf6;
  --radius: 24px;
}
@media (prefers-color-scheme: dark) {
  :root { --brand: #9466FF; --brand-soft: rgba(148, 102, 255, .14); --text: #eceaf3; --muted: #a29fb2;
          --line: rgba(255, 255, 255, .08); --bg: #0f0e14; --card: #1b1a23; --chip: #24222e; }
}
* { box-sizing: border-box; margin: 0 }
html { -webkit-text-size-adjust: 100% }
body {
  background: var(--bg); color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none }
img { display: block; max-width: 100% }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px }

/* Üst şerit: hafif lavanta ışık, kartlar beyaz kalır */
.glow { background: linear-gradient(180deg, #e3dcff 0%, #ecebff 38%, var(--bg) 100%) }
@media (prefers-color-scheme: dark) { .glow { background: linear-gradient(180deg, #2a2050 0%, #17152a 40%, var(--bg) 100%) } }

header.top { display: flex; align-items: center; justify-content: space-between; padding: 22px 0 }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: -.2px }
.brand img { width: 28px; height: 22px }
.nav { display: flex; gap: 6px }
.nav a { padding: 8px 14px; border-radius: 999px; font-size: 15px; color: var(--muted) }
.nav a:hover { background: var(--card); color: var(--text) }

h1 { font-size: clamp(36px, 6vw, 60px); line-height: 1.05; letter-spacing: -1.6px; font-weight: 700 }
h2 { font-size: clamp(26px, 3.6vw, 36px); line-height: 1.15; letter-spacing: -.8px; font-weight: 700 }
h3 { font-size: 19px; letter-spacing: -.2px; font-weight: 650 }
.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 620px }
.muted { color: var(--muted) }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; color: var(--brand); background: var(--brand-soft);
           padding: 5px 12px; border-radius: 999px; margin-bottom: 18px }

.btn { display: inline-flex; align-items: center; gap: 8px; height: 48px; padding: 0 22px; border-radius: 999px;
       font-weight: 600; font-size: 16px; transition: transform .15s ease }
.btn:active { transform: scale(.98) }
.btn-primary { background: var(--brand); color: #fff }
.btn-ghost { background: var(--card); color: var(--text) }
.btn[aria-disabled="true"] { opacity: .55; pointer-events: none }

.card { background: var(--card); border-radius: var(--radius); padding: 28px }
section { padding: 72px 0 }

.grid { display: grid; gap: 14px }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr } .grid-3 { grid-template-columns: repeat(3, 1fr) } }

.icon-tile { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; color: #fff; margin-bottom: 16px }
.icon-tile svg { width: 22px; height: 22px }

footer { padding: 40px 0 56px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line) }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between }
footer a:hover { color: var(--text) }

.prose { max-width: 720px }
.prose h2 { font-size: 20px; letter-spacing: -.2px; margin: 32px 0 8px }
.prose p, .prose li { color: var(--text); opacity: .92 }
.prose ul { padding-left: 20px; margin: 6px 0 }
.prose a { color: var(--brand) }