:root {
  --bg: #FFFFFF;
  --cover: #E4E4E4;
  --card: #EFEFEF;
  --soft: #F4F4F4;
  --ink: #000000;
  --ink-2: #191919;
  --text: #595959;
  --muted: #8E8E93;
  --line: #E0E0E0;
  --line-strong: #CCCCCC;
  --radius: 20px;
  --max: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Logo ---------- */
.logo { font-size: 28px; letter-spacing: -0.045em; line-height: 1; white-space: nowrap; }
.logo b { font-weight: 700; }
.logo span { font-weight: 300; }

/* ---------- Header ---------- */
header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
header.scrolled { background: rgba(255,255,255,.88); backdrop-filter: blur(14px); border-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav ul { display: flex; gap: 32px; list-style: none; }
.nav ul a { font-size: 14px; color: var(--ink-2); font-weight: 500; transition: color .2s; }
.nav ul a:hover { color: var(--muted); }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--ink); color: #fff;
  font-size: 14px; font-weight: 500;
  padding: 12px 22px; border-radius: 999px;
  transition: transform .2s, background .2s;
  white-space: nowrap;
}
.btn:hover { background: #333; transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn.ghost:hover { background: var(--ink); color: #fff; }
.btn.light { background: #fff; color: var(--ink); }
.btn.light:hover { background: var(--card); }
.menu-btn { display: none; background: none; border: 0; cursor: pointer; width: 40px; height: 40px; position: relative; }
.menu-btn span { position: absolute; left: 9px; right: 9px; height: 1.5px; background: var(--ink); transition: .25s; }
.menu-btn span:nth-child(1) { top: 15px; }
.menu-btn span:nth-child(2) { top: 23px; }
header.open .menu-btn span:nth-child(1) { top: 19px; transform: rotate(45deg); }
header.open .menu-btn span:nth-child(2) { top: 19px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  background: var(--cover);
  min-height: 100svh;
  display: flex; align-items: flex-end;
  padding: 120px 0 64px;
  position: relative; overflow: hidden;
}
.hero-graph { position: absolute; right: -4%; top: 8%; width: min(58vw, 760px); height: auto; opacity: .9; pointer-events: none; }
.hero-graph line { stroke: #B5B5B5; stroke-width: 1; }
.hero-graph circle { fill: #000; }
.hero-graph circle.o { fill: var(--cover); stroke: #000; stroke-width: 1.2; }
.hero-inner { position: relative; width: 100%; }
.eyebrow { font-size: 14px; font-weight: 500; color: var(--text); letter-spacing: .01em; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ink); }
.hero h1 {
  font-size: clamp(44px, 8.2vw, 116px);
  line-height: .95; letter-spacing: -0.045em; font-weight: 700;
  max-width: 11ch;
}
.hero h1 em { font-style: normal; font-weight: 300; }
.hero-rule { height: 1px; background: #9A9A9A; margin: 40px 0 28px; max-width: 880px; }
.hero-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; }
.hero-foot p { max-width: 560px; color: #464646; font-size: clamp(16px, 1.4vw, 19px); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.ticker { border-bottom: 1px solid var(--line); background: var(--bg); overflow: hidden; }
.ticker-track { display: flex; gap: 48px; padding: 22px 0; width: max-content; animation: slide 40s linear infinite; }
.ticker-track span { font-size: 15px; font-weight: 500; color: var(--ink-2); white-space: nowrap; display: flex; align-items: center; gap: 48px; }
.ticker-track span::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--line-strong); }
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
section { padding: clamp(80px, 11vw, 140px) 0; }
.sec-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: clamp(40px, 6vw, 72px); }
.sec-num { font-size: 20px; font-weight: 600; color: var(--muted); }
.sec-label { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: clamp(32px, 4.6vw, 60px); line-height: 1.02; letter-spacing: -0.04em; font-weight: 700; max-width: 18ch; }
.lead { margin-top: 18px; font-size: clamp(16px, 1.35vw, 19px); font-weight: 300; color: var(--text); max-width: 640px; }

/* columns with top rule (deck style) */
.cols { display: grid; gap: 40px 28px; margin-top: clamp(48px, 6vw, 72px); }
.cols.c3 { grid-template-columns: repeat(3, 1fr); }
.cols.c5 { grid-template-columns: repeat(5, 1fr); }
.col { border-top: 1px solid var(--line-strong); padding-top: 18px; }
.col .n { font-size: 13px; color: var(--muted); font-weight: 400; }
.col h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; margin: 10px 0 10px; line-height: 1.2; }
.col p { font-size: 15px; color: var(--text); }

/* About */
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: end; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: clamp(48px, 6vw, 72px); }
.split > div { background: var(--soft); border-radius: var(--radius); padding: clamp(28px, 4vw, 48px); }
.split .logo { font-size: clamp(40px, 5vw, 64px); margin-bottom: 18px; }
.split p { color: var(--text); font-size: 16px; max-width: 420px; }

/* Services */
.services { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-strong); margin-top: clamp(48px, 6vw, 72px); }
.svc { padding: 32px 28px 40px 0; border-bottom: 1px solid var(--line); position: relative; }
.svc:not(:nth-child(3n+1)) { padding-left: 28px; border-left: 1px solid var(--line); }
.svc .n { font-size: 13px; color: var(--muted); }
.svc h3 { font-size: clamp(22px, 2.2vw, 28px); letter-spacing: -0.03em; font-weight: 600; margin: 36px 0 12px; line-height: 1.1; }
.svc p { font-size: 15px; color: var(--text); }
.svc .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.svc .tags span { font-size: 12px; font-weight: 500; padding: 5px 10px; border-radius: 999px; background: var(--soft); color: var(--ink-2); }
.svc.ai h3::after { content: "Öne çıkan"; font-size: 11px; font-weight: 600; letter-spacing: .02em; vertical-align: middle; margin-left: 10px; padding: 4px 9px; border-radius: 999px; background: var(--ink); color: #fff; position: relative; top: -3px; }

/* Approach (dark band) */
.dark { background: #0B0B0B; color: #fff; }
.dark .sec-head { border-color: #2A2A2A; }
.dark .sec-num { color: #7F7F7F; }
.dark .lead { color: #A6A6A6; }
.dark h2 em { font-style: normal; font-weight: 300; color: #9A9A9A; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: clamp(48px, 6vw, 72px); }
.pillar { background: #161616; border: 1px solid #242424; border-radius: var(--radius); padding: 32px 28px 36px; display: flex; flex-direction: column; }
.pillar .ic { width: 44px; height: 44px; border-radius: 50%; border: 1px solid #3A3A3A; display: grid; place-items: center; margin-bottom: 40px; }
.pillar .ic svg { width: 20px; height: 20px; stroke: #fff; fill: none; stroke-width: 1.5; }
.pillar h3 { font-size: 24px; letter-spacing: -0.03em; font-weight: 600; margin-bottom: 12px; }
.pillar p { color: #A6A6A6; font-size: 15px; }
.pillar.hl { background: #fff; color: #000; border-color: #fff; }
.pillar.hl p { color: var(--text); }
.pillar.hl .ic { border-color: var(--line-strong); }
.pillar.hl .ic svg { stroke: #000; }
.pillar ul { list-style: none; margin-top: 20px; border-top: 1px solid var(--line); }
.pillar li { font-size: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); display: flex; gap: 10px; color: var(--ink-2); }
.pillar li::before { content: "→"; color: var(--muted); }
.quote { margin-top: 16px; border: 1px solid #242424; border-radius: var(--radius); padding: clamp(28px, 4vw, 44px); }
.quote small { font-size: 12px; font-weight: 600; letter-spacing: .04em; color: #7F7F7F; display: block; margin-bottom: 12px; }
.quote p { font-size: clamp(19px, 2vw, 26px); letter-spacing: -0.02em; line-height: 1.35; max-width: 900px; }

/* Process */
.step .n { font-size: 15px; color: var(--ink); font-weight: 500; }

/* Audience */
.aud { background: var(--soft); border-radius: var(--radius); padding: 32px 28px; }
.aud .n { font-size: 13px; color: var(--muted); }
.aud h3 { font-size: 22px; letter-spacing: -0.025em; font-weight: 600; margin: 28px 0 4px; }
.aud .sub { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.aud p { font-size: 15px; color: var(--text); }

/* Team */
.team { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: clamp(48px, 6vw, 72px); }
.member { background: var(--soft); border-radius: var(--radius); padding: clamp(28px, 3.5vw, 40px); }
.avatar { width: 56px; height: 56px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 600; font-size: 18px; letter-spacing: -0.02em; margin-bottom: 28px; }
.member h3 { font-size: 26px; letter-spacing: -0.03em; font-weight: 600; }
.member .role { font-size: 15px; font-weight: 600; margin-top: 4px; }
.member .title { font-size: 13px; color: var(--muted); padding-bottom: 18px; border-bottom: 1px solid var(--line-strong); margin-bottom: 18px; }
.member p { font-size: 15px; color: var(--text); }
.member .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.member .tags span { font-size: 12px; font-weight: 500; padding: 5px 10px; border-radius: 999px; background: #fff; color: var(--ink-2); }

/* Contact (cover style) */
.contact { background: var(--cover); }
.contact h2 { font-size: clamp(40px, 7vw, 96px); max-width: 12ch; line-height: .98; }
.contact h2 em { font-style: normal; font-weight: 300; }
.contact .hero-rule { max-width: none; }
.contact-row { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.contact-row p { color: #464646; max-width: 520px; font-size: 17px; }
.mail { font-size: clamp(22px, 2.6vw, 34px); font-weight: 600; letter-spacing: -0.03em; border-bottom: 1.5px solid var(--ink); padding-bottom: 2px; transition: color .2s, border-color .2s; }
.mail:hover { color: var(--text); border-color: var(--text); }

footer { padding: 32px 0 40px; border-top: 1px solid var(--line); }
.foot { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.foot .logo { font-size: 22px; color: var(--ink); }

/* Reveal */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  .ticker-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .cols.c5 { grid-template-columns: repeat(3, 1fr); }
  .services { grid-template-columns: repeat(2, 1fr); }
  .svc:not(:nth-child(3n+1)) { padding-left: 0; border-left: 0; }
  .svc:nth-child(even) { padding-left: 28px; border-left: 1px solid var(--line); }
  .pillars { grid-template-columns: 1fr; }
  .pillar .ic { margin-bottom: 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 860px) {
  .nav ul, .nav > .btn { display: none; }
  .menu-btn { display: block; }
  header.open { background: #fff; border-color: var(--line); }
  header.open .nav ul {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 20px;
  }
  header.open .nav ul a { display: block; padding: 14px 0; font-size: 18px; border-bottom: 1px solid var(--line); }
  .hero-graph { width: 110vw; right: -30vw; top: 70px; opacity: .45; }
  .cols.c3, .cols.c5, .split, .team { grid-template-columns: 1fr; }
  .cols { gap: 32px; }
}
@media (max-width: 620px) {
  .services { grid-template-columns: 1fr; }
  .svc:nth-child(even) { padding-left: 0; border-left: 0; }
  .svc { padding-right: 0; }
  .svc h3 { margin-top: 20px; }
  .hero-cta { width: 100%; flex-direction: column; }
  .hero-cta .btn { justify-content: center; padding: 15px 22px; }
}

/* ---------- Footer links ---------- */
.foot-links { display: flex; gap: 24px; flex-wrap: wrap; }
.foot-links a { color: var(--text); transition: color .2s; }
.foot-links a:hover { color: var(--ink); }

/* ---------- Legal pages ---------- */
body.legal header { background: rgba(255,255,255,.88); backdrop-filter: blur(14px); border-color: var(--line); }
.legal-hero { background: var(--cover); padding: 152px 0 56px; }
.legal-hero .eyebrow { margin-bottom: 16px; }
.legal-hero h1 { font-size: clamp(36px, 6vw, 76px); line-height: 1; letter-spacing: -0.045em; font-weight: 700; max-width: 16ch; }
.legal-hero h1 em { font-style: normal; font-weight: 300; }
.legal-hero .hero-rule { margin: 32px 0 18px; max-width: none; }
.legal-meta { display: flex; gap: 24px; flex-wrap: wrap; font-size: 14px; color: #464646; }
.legal-body { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 64px; padding: clamp(56px, 8vw, 96px) 0 clamp(80px, 10vw, 120px); }
.toc { position: sticky; top: 104px; align-self: start; border-top: 1px solid var(--line-strong); padding-top: 16px; }
.toc small { font-size: 12px; font-weight: 600; letter-spacing: .04em; color: var(--muted); display: block; margin-bottom: 12px; }
.toc ol { list-style: none; counter-reset: t; }
.toc li { counter-increment: t; }
.toc a { display: flex; gap: 10px; font-size: 14px; color: var(--text); padding: 6px 0; transition: color .2s; }
.toc a::before { content: counter(t, decimal-leading-zero); color: var(--muted); font-size: 12px; padding-top: 2px; }
.toc a:hover { color: var(--ink); }
.prose { max-width: 720px; }
.prose > p:first-child { font-size: 18px; color: var(--ink-2); }
.prose h2 { font-size: clamp(22px, 2.4vw, 28px); letter-spacing: -0.03em; font-weight: 600; max-width: none; margin: 56px 0 16px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; gap: 14px; scroll-margin-top: 96px; }
.prose h2 span { color: var(--muted); font-weight: 400; }
.prose p, .prose li { font-size: 16px; color: var(--text); }
.prose p + p { margin-top: 14px; }
.prose ul { margin: 14px 0 0; padding-left: 0; list-style: none; border-top: 1px solid var(--line); }
.prose ul li { padding: 10px 0 10px 22px; border-bottom: 1px solid var(--line); position: relative; }
.prose ul li::before { content: ""; position: absolute; left: 4px; top: 20px; width: 6px; height: 6px; border-radius: 50%; background: var(--ink); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--ink); border-bottom: 1px solid var(--line-strong); }
.prose a:hover { border-color: var(--ink); }
.prose .card { background: var(--soft); border-radius: var(--radius); padding: 24px 28px; margin-top: 16px; }
.prose .card dl { display: grid; grid-template-columns: 160px 1fr; gap: 10px 20px; font-size: 15px; }
.prose .card dt { color: var(--muted); }
.prose .card dd { color: var(--ink); }
.prose table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; }
.prose th, .prose td { text-align: left; padding: 12px 12px 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--text); }
.prose th { color: var(--ink); font-weight: 600; border-bottom-color: var(--line-strong); }
.ph { background: #FFF3BF; color: #000; padding: 0 4px; border-radius: 4px; }
@media (max-width: 900px) {
  .legal-body { grid-template-columns: 1fr; gap: 0; }
  .toc { display: none; }
  .prose .card dl { grid-template-columns: 1fr; gap: 2px; }
  .prose .card dd { margin-bottom: 10px; }
  .prose table { display: block; overflow-x: auto; }
}