/* Toplayo kurumsal site — tasarım sistemi
   Renkler panel.html ve eski tanıtım sayfasıyla aynı: siyah zemin, Toplayo
   degradesi (turuncu → pembe → mor → çivit), gri tonları. */
:root {
  --bg: #000;
  --card: #0d0d0f;
  --card-2: #141416;
  --field: #1c1c1e;
  --track: #1c1c1e;
  --text: #fff;
  --soft: #d1d1d6;
  --muted: #8e8e93;
  --dim: #636366;
  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.16);
  --grad: linear-gradient(90deg, #ff9f0a 0%, #ff375f 38%, #bf5af2 72%, #5e5ce6 100%);
  --grad-soft: linear-gradient(135deg, rgba(255, 159, 10, .18), rgba(255, 55, 95, .16) 40%, rgba(191, 90, 242, .16) 72%, rgba(94, 92, 230, .18));
  --orange: #ff9f0a;
  --pink: #ff375f;
  --purple: #bf5af2;
  --indigo: #5e5ce6;
  --teal: #34e5c4;
  --green: #30d158;
  --wrap: 1200px;
  --radius: 22px;
  color-scheme: dark;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg); color: var(--text);
  font-family: "Inter", "SF Pro Display", -apple-system, "Segoe UI", system-ui, sans-serif;
  font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum" 1, "cv11" 1;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 32px; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ------------------------------------------------------------------ nav */
.top {
  position: sticky; top: 0; z-index: 30;
  background: rgba(0, 0, 0, .74);
  backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; height: 68px; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand .mark { width: 30px; height: 30px; border-radius: 8px; background: var(--grad); position: relative; flex: none; }
.brand .mark::after { content: ""; position: absolute; inset: 9px; border-radius: 3px; background: #000; opacity: .85; }
.brand .word { font-weight: 800; font-size: 21px; letter-spacing: -.035em; }
.brand small { display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 1.6px; color: var(--muted); line-height: 1; margin-top: 3px; }
.menu { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.menu > a, .menu > details > summary {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 12px; border-radius: 10px; font-size: 14.5px; font-weight: 500; color: var(--soft); list-style: none; cursor: pointer;
}
.menu > details > summary::-webkit-details-marker { display: none; }
.menu > details > summary::after { content: ""; width: 6px; height: 6px; border: solid currentColor; border-width: 0 1.5px 1.5px 0; transform: rotate(45deg) translateY(-2px); opacity: .6; }
.menu > a:hover, .menu > details > summary:hover, .menu > a[aria-current="page"] { color: var(--text); background: rgba(255, 255, 255, .06); }
.menu > details { position: relative; }
.menu > details > div {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 260px;
  background: var(--card-2); border: 1px solid var(--line-2); border-radius: 14px; padding: 8px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .8);
}
.menu > details > div a { display: block; padding: 9px 12px; border-radius: 9px; font-size: 14px; color: var(--soft); }
.menu > details > div a small { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.menu > details > div a:hover { background: rgba(255, 255, 255, .06); color: var(--text); }
.menu .cta { margin-left: 8px; background: #fff; color: #000; font-weight: 600; padding: 9px 16px; border-radius: 999px; }
.menu .cta:hover { background: #e5e5ea; color: #000; }
.burger { display: none; margin-left: auto; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line-2); align-items: center; justify-content: center; }
.burger span { display: block; width: 18px; height: 2px; background: #fff; box-shadow: 0 -6px 0 #fff, 0 6px 0 #fff; }
.drawer { display: none; }

/* ------------------------------------------------------------------ hero */
.hero {
  position: relative; padding: 96px 0 88px; overflow: hidden;
  background:
    radial-gradient(900px 620px at 0% 100%, rgba(255, 55, 95, .14), transparent 70%),
    radial-gradient(900px 700px at 100% 30%, rgba(94, 92, 230, .14), transparent 70%);
}
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase; color: var(--soft);
  padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03);
  max-width: 100%; white-space: normal; text-align: left; line-height: 1.3;
}
.hero .wrap > *, .page-hero .wrap > *, .content .cols > *, .grid > *, .feature > *, .head > *, .band .wrap > * { min-width: 0; }
.tag::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }
h1 { margin-top: 22px; font-size: clamp(36px, 5vw, 64px); overflow-wrap: anywhere; line-height: 1.02; font-weight: 800; letter-spacing: -.045em; }
h1 .grad-text, h2 .grad-text { display: inline-block; padding-right: 4px; line-height: 1.12; }
.lede { margin-top: 24px; max-width: 560px; font-size: 19px; line-height: 1.55; color: var(--muted); }
.lede b { color: var(--soft); font-weight: 600; }
.ctas { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 15.5px; font-weight: 600; padding: 13px 22px; border-radius: 999px; transition: transform .15s, background .2s, border-color .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: #fff; color: #000; }
.btn.primary:hover { background: #e5e5ea; }
.btn.ghost { border: 1px solid var(--line-2); color: var(--text); }
.btn.ghost:hover { border-color: rgba(255, 255, 255, .45); }
.btn.grad { background: var(--grad); color: #000; }
.btn .arrow { width: 26px; height: 26px; border-radius: 50%; background: #000; color: #fff; display: inline-grid; place-items: center; font-size: 13px; }
.btn.ghost .arrow { background: rgba(255, 255, 255, .1); }
.hero-media { position: relative; padding: 0 0 62px 22px; }
.board { margin-bottom: 0; }
.board {
  position: relative; border-radius: 24px; padding: 22px 24px 20px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015)), var(--card);
  border: 1px solid var(--line-2);
  box-shadow: 0 60px 140px -40px rgba(191, 90, 242, .45), 0 0 0 1px rgba(255, 255, 255, .03), inset 0 1px 0 rgba(255, 255, 255, .06);
}
.board::before { content: ""; position: absolute; inset: -1px; border-radius: 25px; padding: 1px; background: linear-gradient(135deg, rgba(255, 159, 10, .5), rgba(255, 55, 95, .25) 40%, rgba(94, 92, 230, .5)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.bhead { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.bhead b { display: block; font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
.bhead small { display: block; margin-top: 2px; font-size: 12px; color: var(--muted); }
.bhead .pill { font-size: 11px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--soft); padding: 5px 10px; border-radius: 999px; background: var(--track); white-space: nowrap; }
.brows { display: grid; gap: 11px; padding: 18px 0 16px; }
.brow { display: grid; grid-template-columns: 118px 1fr; gap: 14px; align-items: center; }
.brow .dev { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 600; color: var(--soft); white-space: nowrap; }
.brow .dev svg { width: 18px; height: 18px; stroke: var(--muted); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.brow .bar { display: flex; height: 14px; border-radius: 7px; background: var(--track); overflow: hidden; gap: 2px; }
.brow .bar i { display: block; height: 100%; transform-origin: left; animation: grow .9s cubic-bezier(.2, .7, .2, 1) both; animation-delay: var(--d); }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.s0 { background: #ff9f0a; } .s1 { background: #ff6a3d; } .s2 { background: #ff375f; } .s3 { background: #e04a9e; }
.s4 { background: #bf5af2; } .s5 { background: #8f5cf0; } .s6 { background: #5e5ce6; } .s7 { background: #34e5c4; }
.blegend { display: flex; flex-wrap: wrap; gap: 6px 14px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 11.5px; color: var(--muted); font-weight: 500; }
.blegend span { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.blegend i { width: 8px; height: 8px; border-radius: 2px; }
.blegend small { color: var(--dim); font-size: 11px; }
.bfoot { margin-top: 12px; font-size: 11px; color: var(--dim); }
.hero-video {
  position: absolute; right: 18px; bottom: 0; display: inline-flex; align-items: center; gap: 12px;
  padding: 10px 18px 10px 10px; border-radius: 999px; background: #0d0d0f; border: 1px solid var(--line-2);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .9); font-size: 13.5px; transition: border-color .2s, transform .15s;
}
.hero-video:hover { border-color: rgba(255, 255, 255, .45); transform: translateY(-1px); }
.hero-video .pl { width: 36px; height: 36px; border-radius: 50%; background: var(--grad); display: inline-grid; place-items: center; flex: none; }
.hero-video .pl::after { content: ""; border-left: 11px solid #000; border-top: 7px solid transparent; border-bottom: 7px solid transparent; margin-left: 3px; }
.hero-video b { display: block; font-weight: 600; }
.hero-video small { display: block; color: var(--muted); font-size: 12px; margin-top: 1px; }
.hero-badge {
  position: absolute; left: 0; bottom: 0; padding: 14px 18px; border-radius: 18px;
  background: var(--card-2); border: 1px solid var(--line-2); box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .8);
}
.hero-badge b { display: block; font-size: 28px; font-weight: 800; letter-spacing: -1.4px; line-height: 1; }
.hero-badge span { display: block; margin-top: 6px; font-size: 12px; color: var(--muted); font-weight: 500; }
.hero-chips { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 12.5px; font-weight: 600; color: var(--soft); padding: 7px 12px; border-radius: 999px; background: var(--track); border: 1px solid transparent; }
.chip i { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--green); margin-right: 7px; vertical-align: 1px; }

/* ------------------------------------------------------------------ band */
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .015); }
.band .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 0 32px; }
.stat + .stat { padding-left: 32px; border-left: 1px solid var(--line); }
.stat b { display: block; font-size: 42px; font-weight: 800; letter-spacing: -1.8px; line-height: 1; }
.stat b small { font-size: 18px; font-weight: 500; color: var(--muted); letter-spacing: 0; margin-left: 5px; }
.stat span { display: block; margin-top: 10px; font-size: 14.5px; color: var(--muted); line-height: 1.4; }
.band.platforms .wrap { display: flex; flex-wrap: wrap; gap: 12px 40px; align-items: center; justify-content: center; padding-top: 22px; padding-bottom: 22px; font-size: 14px; font-weight: 600; color: var(--muted); letter-spacing: .4px; }
.band.platforms .wrap span::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--grad); margin-right: 10px; vertical-align: 1px; }

/* ------------------------------------------------------------------ sections */
section.block { padding: 104px 0 0; }
section.block.tight { padding-top: 72px; }
.head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; }
.head.center { grid-template-columns: 1fr; text-align: center; }
.head.center p { margin-left: auto; margin-right: auto; }
.head.single { grid-template-columns: 1fr; }
h2 { margin-top: 18px; font-size: clamp(32px, 4vw, 50px); line-height: 1.06; font-weight: 800; letter-spacing: -.04em; }
.head p { font-size: 17px; line-height: 1.6; color: var(--muted); max-width: 520px; }
.head p b { color: var(--soft); font-weight: 600; }
.head p a { color: var(--soft); border-bottom: 1px solid var(--dim); }
.head p a:hover { color: #fff; border-color: #fff; }
h3 { font-weight: 700; letter-spacing: -.02em; }

/* two-column feature (hakkında) */
.feature { margin-top: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.feature.flip > .media { order: 2; }
.feature .media { position: relative; }
.feature .media .frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-2); aspect-ratio: 4 / 3; background: #0a0a0c; }
.feature .media .frame img { width: 100%; height: 100%; object-fit: cover; }
.feature .media .badge { position: absolute; right: -18px; top: 28px; padding: 14px 18px; border-radius: 16px; background: var(--card-2); border: 1px solid var(--line-2); display: flex; gap: 12px; align-items: center; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .8); }
.feature .media .badge b { font-size: 30px; font-weight: 800; letter-spacing: -1.2px; }
.feature .media .badge b sup { font-size: 14px; color: var(--pink); vertical-align: top; }
.feature .media .badge span { font-size: 11.5px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: var(--muted); line-height: 1.25; }
.feature .copy h2 { font-size: clamp(30px, 3.4vw, 42px); }
.feature .copy p { margin-top: 18px; font-size: 16.5px; line-height: 1.65; color: var(--muted); }
.feature .copy p.strong { color: var(--soft); font-weight: 600; }
.feature .copy blockquote { margin-top: 18px; padding: 4px 0 4px 18px; border-left: 2px solid; border-image: var(--grad) 1; font-style: italic; color: var(--soft); font-size: 16px; }
.feature .copy .ctas { margin-top: 28px; }
.checks { list-style: none; display: grid; gap: 12px; margin-top: 22px; }
.checks li { position: relative; padding-left: 34px; font-size: 15.5px; line-height: 1.5; color: var(--soft); }
.checks li::before { content: ""; position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%; background: var(--grad); }
.checks li::after { content: ""; position: absolute; left: 7px; top: 6px; width: 4px; height: 8px; border: solid #000; border-width: 0 2px 2px 0; transform: rotate(45deg); }

/* cards grid (süitler, kitleler, hizmetler) */
.grid { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.card {
  position: relative; display: block; padding: 28px 26px 30px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line); transition: border-color .2s, transform .2s, background .2s;
}
a.card:hover { border-color: var(--line-2); background: var(--card-2); transform: translateY(-2px); }
.card .icon { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: var(--grad-soft); border: 1px solid var(--line); }
.card .icon svg { width: 22px; height: 22px; stroke: #fff; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.card .n { font-size: 12px; font-weight: 700; color: var(--dim); letter-spacing: 1.4px; }
.card h3 { margin-top: 16px; font-size: 20px; }
.card p { margin-top: 10px; font-size: 14.5px; line-height: 1.55; color: var(--muted); }
.card .meta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px; }
.card .meta span { font-size: 11.5px; font-weight: 600; color: var(--soft); padding: 4px 9px; border-radius: 999px; background: var(--track); }
.card .more { position: absolute; right: 22px; top: 24px; width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; color: var(--muted); font-size: 14px; transition: all .2s; }
a.card:hover .more { background: #fff; color: #000; border-color: #fff; }
.card.tier-donanim .icon { background: linear-gradient(135deg, rgba(255, 159, 10, .25), rgba(255, 55, 95, .2)); }
.card.tier-uretici .icon { background: linear-gradient(135deg, rgba(191, 90, 242, .25), rgba(94, 92, 230, .2)); }
.card.tier-platform .icon { background: linear-gradient(135deg, rgba(52, 229, 196, .2), rgba(94, 92, 230, .15)); }
.card.tier-ishatti .icon { background: linear-gradient(135deg, rgba(255, 55, 95, .22), rgba(191, 90, 242, .2)); }
.card.tier-sunucu .icon { background: linear-gradient(135deg, rgba(94, 92, 230, .25), rgba(52, 229, 196, .15)); }

/* list rows (yöntem ilkeleri) */
.rows { margin-top: 40px; }
.row { display: grid; grid-template-columns: 360px 1fr; gap: 48px; align-items: baseline; padding: 28px 0; border-bottom: 1px solid var(--line); }
.row:last-child { border-bottom: none; }
.row h3 { font-size: 23px; line-height: 1.2; }
.row p { font-size: 16.5px; line-height: 1.6; color: var(--muted); }
.row p b { color: var(--soft); font-weight: 600; }

/* numbered steps */
.steps { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step { position: relative; padding: 26px 24px 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.step::before { counter-increment: step; content: "0" counter(step); font-size: 13px; font-weight: 800; letter-spacing: 1px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.step h3 { margin-top: 14px; font-size: 18px; }
.step p { margin-top: 8px; font-size: 14.5px; line-height: 1.55; color: var(--muted); }

/* video grid */
.videos { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.vcard { display: block; border-radius: var(--radius); overflow: hidden; background: var(--card); border: 1px solid var(--line); transition: border-color .2s, transform .2s; }
.vcard:hover { border-color: var(--line-2); transform: translateY(-2px); }
.vcard .thumb { position: relative; aspect-ratio: 16 / 9; background: #0a0a0c; }
.vcard .thumb img { width: 100%; height: 100%; object-fit: cover; }
.vcard .thumb .dur { position: absolute; right: 12px; bottom: 12px; font-size: 12px; font-weight: 600; padding: 4px 8px; border-radius: 7px; background: rgba(0, 0, 0, .7); }
.vcard .thumb .pl { position: absolute; left: 14px; bottom: 12px; width: 38px; height: 38px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; }
.vcard .thumb .pl::after { content: ""; border-left: 12px solid #000; border-top: 7px solid transparent; border-bottom: 7px solid transparent; margin-left: 3px; }
.vcard .body { padding: 18px 20px 22px; }
.vcard .body .k { font-size: 11.5px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: var(--muted); }
.vcard .body h3 { margin-top: 8px; font-size: 18px; }
.vcard .body p { margin-top: 6px; font-size: 14px; color: var(--muted); line-height: 1.5; }

/* player */
.player { margin-top: 40px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-2); background: #000; box-shadow: 0 60px 140px -50px rgba(191, 90, 242, .4); }
.player video { width: 100%; aspect-ratio: 16 / 9; background: #000; }
.transcript { margin-top: 22px; }
.transcript summary { cursor: pointer; font-weight: 600; color: var(--soft); font-size: 15px; list-style: none; display: inline-flex; gap: 8px; align-items: center; }
.transcript summary::-webkit-details-marker { display: none; }
.transcript summary::before { content: "+"; width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--line-2); display: inline-grid; place-items: center; font-size: 14px; }
.transcript[open] summary::before { content: "–"; }
.transcript .t { margin-top: 16px; padding: 22px 26px; border-radius: 16px; background: var(--card); border: 1px solid var(--line); color: var(--soft); font-size: 15.5px; line-height: 1.7; max-height: 420px; overflow: auto; }
.transcript .t p { margin: 0 0 10px; }

/* FAQ */
.faq { margin-top: 44px; display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 16px; background: var(--card); padding: 0 24px; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px 0; font-weight: 600; font-size: 16.5px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; color: var(--muted); font-weight: 500; }
.faq details[open] summary::after { content: "–"; background: #fff; color: #000; border-color: #fff; }
.faq details p { padding: 0 0 22px; color: var(--muted); font-size: 15.5px; line-height: 1.65; max-width: 820px; }
.faq details p a { color: var(--soft); border-bottom: 1px solid var(--dim); }

/* CTA band */
.cta-band {
  margin-top: 110px; border-radius: 30px; padding: 64px 56px; position: relative; overflow: hidden;
  background:
    radial-gradient(700px 400px at 100% 0%, rgba(191, 90, 242, .22), transparent 70%),
    radial-gradient(600px 400px at 0% 100%, rgba(255, 159, 10, .14), transparent 70%),
    var(--card);
  border: 1px solid var(--line);
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center;
}
.cta-band h2 { margin-top: 12px; font-size: clamp(30px, 3.6vw, 46px); }
.cta-band p { margin-top: 16px; font-size: 17px; color: var(--muted); max-width: 540px; line-height: 1.6; }
.cta-band .ctas { justify-content: flex-end; }

/* footer */
footer { margin-top: 110px; border-top: 1px solid var(--line); padding: 56px 0 40px; }
footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
footer .about p { margin-top: 16px; font-size: 14.5px; color: var(--muted); line-height: 1.6; max-width: 360px; }
footer h4 { font-size: 12px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase; color: var(--muted); }
footer ul { list-style: none; margin-top: 16px; display: grid; gap: 10px; }
footer li a { font-size: 14.5px; color: var(--soft); }
footer li a:hover { color: var(--text); }
footer .legal { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px 28px; font-size: 13px; color: var(--dim); }
footer .legal .r { margin-left: auto; display: flex; gap: 20px; }
footer .legal a { color: var(--muted); }

/* ------------------------------------------------------------------ inner pages */
.page-hero { position: relative; padding: 72px 0 56px; border-bottom: 1px solid var(--line);
  background:
    radial-gradient(800px 500px at 0% 100%, rgba(255, 55, 95, .10), transparent 70%),
    radial-gradient(800px 500px at 100% 0%, rgba(94, 92, 230, .10), transparent 70%); }
.page-hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.page-hero.single .wrap { grid-template-columns: 1fr; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); font-weight: 500; }
.crumbs a:hover { color: var(--text); }
.crumbs span::before { content: "/"; margin: 0 2px; color: var(--dim); }
.page-hero h1 { margin-top: 18px; font-size: clamp(32px, 4.2vw, 54px); }
.page-hero .sub { margin-top: 10px; font-size: clamp(18px, 2vw, 24px); font-weight: 600; line-height: 1.3; }
.page-hero .sub .grad-text { display: inline; }
.page-hero .lede { font-size: 18px; }
.page-hero .kv { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; }
.kv .k { display: inline-flex; flex-direction: column; gap: 3px; padding: 10px 14px; border-radius: 12px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line); min-width: 120px; max-width: 100%; }
.kv .k b a { border-bottom: 1px solid var(--dim); }
.kv .k small { font-size: 10.5px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: var(--muted); }
.kv .k b { font-size: 15px; font-weight: 600; color: var(--soft); }
.page-hero .side { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-2); aspect-ratio: 16 / 10; background: #0a0a0c; position: relative; }
.page-hero .side img { width: 100%; height: 100%; object-fit: cover; }
.page-hero .side .cap { position: absolute; left: 14px; bottom: 12px; font-size: 12px; font-weight: 600; padding: 5px 10px; border-radius: 8px; background: rgba(0, 0, 0, .65); color: var(--soft); }

.content { padding-top: 56px; }
.content .cols { display: grid; grid-template-columns: 1fr 300px; gap: 56px; align-items: start; }
.prose { max-width: 760px; }
.prose h2 { font-size: clamp(26px, 2.8vw, 34px); margin-top: 56px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 20px; margin-top: 32px; }
.prose p { margin-top: 14px; font-size: 16.5px; line-height: 1.7; color: var(--soft); }
.prose p.muted { color: var(--muted); }
.prose ul, .prose ol { margin-top: 14px; padding-left: 22px; color: var(--soft); font-size: 16px; line-height: 1.65; display: grid; gap: 8px; }
.prose li::marker { color: var(--muted); }
.prose a { color: #fff; border-bottom: 1px solid var(--dim); }
.prose a:hover { border-color: #fff; }
.prose .note { margin-top: 20px; padding: 18px 22px; border-radius: 14px; background: var(--card); border: 1px solid var(--line); color: var(--muted); font-size: 15px; line-height: 1.6; }
.prose .note b { color: var(--soft); }
.prose table { margin-top: 18px; width: 100%; border-collapse: collapse; font-size: 14.5px; }
.prose th, .prose td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font-size: 11.5px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); }
.prose td { color: var(--soft); }
.prose td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.aside { position: sticky; top: 92px; display: grid; gap: 16px; min-width: 0; }
.aside .box { min-width: 0; overflow-wrap: anywhere; }
.aside li a[aria-current] { color: #fff; font-weight: 600; }
.aside .box { padding: 20px 22px; border-radius: 16px; background: var(--card); border: 1px solid var(--line); }
.aside h4 { font-size: 11.5px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: var(--muted); }
.aside ul { list-style: none; margin-top: 12px; display: grid; gap: 8px; }
.aside li a { font-size: 14.5px; color: var(--soft); display: flex; justify-content: space-between; gap: 10px; }
.aside li a:hover { color: #fff; }
.aside li a small { color: var(--dim); font-size: 12px; white-space: nowrap; flex: none; }
.aside .facts { display: grid; gap: 10px; margin-top: 12px; }
.aside .facts div { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.aside .facts div:last-child { border-bottom: none; padding-bottom: 0; }
.aside .facts span { color: var(--muted); }
.aside .facts b { color: var(--soft); font-weight: 600; text-align: right; }
.aside .box.grad { background: var(--grad-soft); border-color: var(--line-2); }
.aside .box.grad p { margin-top: 8px; color: var(--soft); font-size: 14px; line-height: 1.55; }
.aside .box.grad .btn { margin-top: 14px; padding: 10px 16px; font-size: 14px; }

/* test list table */
.tests { margin-top: 36px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.tests .trow { display: grid; grid-template-columns: 1.3fr 1fr 150px 32px; gap: 18px; align-items: center; padding: 18px 24px; border-bottom: 1px solid var(--line); transition: background .15s; }
.tests .trow:last-child { border-bottom: none; }
.tests .trow:hover { background: var(--card-2); }
.tests .trow b { font-size: 16px; font-weight: 600; display: block; }
.tests .trow b small { display: block; margin-top: 3px; font-size: 12px; font-weight: 500; color: var(--dim); font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.tests .trow .d { font-size: 14px; color: var(--muted); line-height: 1.45; }
.tests .trow .m { font-size: 13px; color: var(--soft); font-weight: 500; }
.tests .trow .m small { display: block; color: var(--dim); font-weight: 500; }
.tests .trow .go { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; color: var(--muted); font-size: 13px; }
.tests .trow:hover .go { background: #fff; color: #000; border-color: #fff; }
.badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 4px 8px; border-radius: 7px; background: var(--track); color: var(--soft); }
.badge.info { color: var(--teal); background: rgba(52, 229, 196, .12); }
.badge.score { color: #000; background: var(--grad); }

/* score blocks */
.blocks { margin-top: 36px; display: grid; gap: 10px; }
.blk { display: grid; grid-template-columns: 220px 1fr 90px; gap: 20px; align-items: center; padding: 16px 20px; border-radius: 14px; background: var(--card); border: 1px solid var(--line); }
.blk b { font-size: 16px; }
.blk b small { display: block; font-size: 12.5px; font-weight: 500; color: var(--muted); margin-top: 2px; }
.blk .bar { height: 8px; border-radius: 4px; background: var(--track); position: relative; overflow: hidden; }
.blk .bar i { position: absolute; inset: 0 auto 0 0; border-radius: 4px; background: var(--grad); }
.blk .w { text-align: right; font-weight: 600; color: var(--soft); font-variant-numeric: tabular-nums; }
.blk .w small { display: block; color: var(--dim); font-weight: 500; font-size: 12px; }

/* member chips */
.members { margin-top: 20px; display: grid; gap: 8px; }
.members a { display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: center; padding: 12px 16px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); font-size: 14.5px; }
.members a:hover { border-color: var(--line-2); background: var(--card-2); }
.members a b { font-weight: 600; display: block; }
.members a span { display: block; color: var(--muted); font-size: 13.5px; margin-top: 2px; line-height: 1.45; }
.members a em { font-style: normal; color: var(--dim); font-size: 12px; font-family: ui-monospace, "SF Mono", Menlo, monospace; white-space: nowrap; }

/* pager between pages */
.pager { margin-top: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pager a { padding: 18px 20px; border-radius: 14px; border: 1px solid var(--line); background: var(--card); font-size: 15px; }
.pager a small { display: block; font-size: 11.5px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.pager a.next { text-align: right; }
.pager a:hover { border-color: var(--line-2); }

/* ------------------------------------------------------------------ responsive */
@media (max-width: 1080px) {
  .grid, .videos { grid-template-columns: repeat(2, 1fr); }
  .grid.four { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  footer .cols { grid-template-columns: 1fr 1fr; }
  .content .cols { grid-template-columns: 1fr; }
  .aside { position: static; }
}
@media (max-width: 900px) {
  .menu { display: none; }
  .burger { display: inline-flex; }
  .drawer { display: none; border-top: 1px solid var(--line); background: #000; }
  .drawer.open { display: block; }
  .drawer .wrap { padding-top: 10px; padding-bottom: 18px; display: grid; gap: 2px; }
  .drawer a { padding: 12px 8px; font-size: 16px; font-weight: 500; color: var(--soft); border-bottom: 1px solid var(--line); }
  .drawer .g { padding: 14px 8px 6px; font-size: 11px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: var(--dim); }
  .hero { padding: 56px 0 64px; }
  .hero .wrap, .page-hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-media { padding-left: 0; }
  .hero-badge { left: 8px; }
  .head { grid-template-columns: 1fr; gap: 16px; }
  .feature, .feature.flip { grid-template-columns: 1fr; gap: 36px; }
  .feature.flip > .media { order: 0; }
  .feature .media .badge { right: 12px; }
  .row { grid-template-columns: 1fr; gap: 8px; }
  .band .wrap { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { padding-left: 0; border-left: none; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .cta-band { grid-template-columns: 1fr; padding: 40px 32px; }
  .cta-band .ctas { justify-content: flex-start; }
  .tests .trow { grid-template-columns: 1fr 32px; }
  .tests .trow .d, .tests .trow .m { grid-column: 1; }
  .blk { grid-template-columns: 1fr 70px; }
  .blk .bar { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  section.block { padding-top: 72px; }
  .grid, .videos, .grid.two, .grid.four, .steps { grid-template-columns: 1fr; }
  .band .wrap { grid-template-columns: 1fr 1fr; }
  .stat b { font-size: 32px; }
  .stat + .stat { padding-left: 18px; }
  .stat:nth-child(3) { padding-left: 0; }
  footer .cols { grid-template-columns: 1fr; gap: 28px; }
  footer .legal .r { margin-left: 0; }
  .pager { grid-template-columns: 1fr; }
  .pager a.next { text-align: left; }
  .cta-band { margin-top: 72px; padding: 32px 22px; }
  footer { margin-top: 72px; }
  .hero-badge { display: none; }
  .hero-media { padding: 0 0 54px; }
  .hero-video { right: 0; left: 0; justify-content: center; }
  .brow { grid-template-columns: 96px 1fr; }
  .board { padding: 18px 16px 16px; }
  .blegend { gap: 6px 10px; }
  .page-hero { padding: 44px 0 40px; }
  .brand small { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover, a.card:hover, .vcard:hover { transform: none; }
  .brow .bar i { animation: none; }
}

/* ------------------------------------------------------------------ hareket: canlı tur */
.live {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 22px; padding: 10px 14px; border-radius: 12px;
  background: rgba(255, 255, 255, .03); border: 1px solid var(--line); font-size: 12.5px; color: var(--muted);
  font-variant-numeric: tabular-nums; max-width: 100%;
}
.board .live { margin-top: 14px; }
.ldot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(48, 209, 88, .6); animation: pulse 1.6s ease-out infinite; flex: none; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(48, 209, 88, .6); } 70% { box-shadow: 0 0 0 8px rgba(48, 209, 88, 0); } 100% { box-shadow: 0 0 0 0 rgba(48, 209, 88, 0); } }
.llabel { font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; font-size: 10.5px; color: var(--soft); }
.ltest { color: var(--text); font-weight: 600; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.lbar { flex: 1 1 120px; height: 6px; border-radius: 3px; background: var(--track); overflow: hidden; position: relative; min-width: 80px; }
.lbar i { position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 3px; background: var(--grad); transition: width .35s linear; }
.lbar::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent); transform: translateX(-100%); animation: sweep 1.8s linear infinite; }
@keyframes sweep { to { transform: translateX(100%); } }
.lsamples { display: inline-flex; gap: 4px; }
.lsamples b { width: 7px; height: 7px; border-radius: 2px; background: var(--track); transition: background .2s, transform .2s; }
.lsamples b.on { background: var(--teal); transform: scale(1.15); }
.lsamples b.med { background: #fff; }
.lstate { min-width: 110px; color: var(--dim); }
.lspark { width: 140px; height: 30px; flex: none; opacity: .9; }
.live.cool .ldot { background: var(--orange); box-shadow: none; animation: none; }
.live.cool .lbar::after { animation: none; }

/* pano: sürekli tarama ve yeniden ölçüm */
.brow .bar { position: relative; }
.brow .bar::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, .22) 50%, transparent 100%); transform: translateX(-100%); animation: sweep 2.6s linear infinite; animation-delay: var(--d); pointer-events: none; }
.brow.remeasure .bar i { animation: grow .9s cubic-bezier(.2, .7, .2, 1) both; }
.brow .bar i { transition: width .6s cubic-bezier(.2, .7, .2, 1); }

/* kahraman arka planı: yavaşça kayan ışık lekeleri */
.hero::before, .hero::after, .page-hero::before { content: ""; position: absolute; width: 720px; height: 720px; border-radius: 50%; filter: blur(80px); opacity: .22; pointer-events: none; z-index: -1; }
.hero, .page-hero { isolation: isolate; }
.hero::before { left: -240px; bottom: -300px; background: radial-gradient(circle, #ff375f, transparent 60%); animation: drift 16s ease-in-out infinite alternate; }
.hero::after { right: -260px; top: -260px; background: radial-gradient(circle, #5e5ce6, transparent 60%); animation: drift 20s ease-in-out infinite alternate-reverse; }
.page-hero::before { right: -280px; top: -320px; background: radial-gradient(circle, #bf5af2, transparent 60%); animation: drift 18s ease-in-out infinite alternate; opacity: .16; }
@keyframes drift { from { transform: translate(0, 0) scale(1); } to { transform: translate(70px, -50px) scale(1.12); } }
.page-hero { overflow: hidden; }

/* kaydırınca belirme */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .7, .2, 1); transition-delay: var(--rd, 0ms); }
[data-reveal].in { opacity: 1; transform: none; }
.blk .bar i { transform-origin: left; animation: grow 1s cubic-bezier(.2, .7, .2, 1) both; animation-play-state: paused; }
.blk.in .bar i { animation-play-state: running; }

@media (prefers-reduced-motion: reduce) {
  .ldot, .lbar::after, .brow .bar::after, .hero::before, .hero::after, .page-hero::before { animation: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .blk .bar i { animation: none; }
}
@media (max-width: 640px) { .lspark { display: none; } .lstate { min-width: 0; } }

/* Ölçüm 4.0 sitesi (16 Ekim 2026): telefonda geniş tablolar yatay kayar. */
.prose .tbl { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.prose .tbl table { min-width: 520px; }
.prose code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .9em; color: var(--soft); }
