/* SEO landing pages — shared styles pulled from index.html for visual consistency */

:root,[data-theme="light"]{
  --paper:#fafafa;
  --paper-2:#f4f4f5;
  --ink:#09090b;
  --ink-2:#3f3f46;
  --mute:#71717a;
  --line:#1f1e1c14;
  --line-strong:#1f1e1c22;
  --nav-bg:rgba(246,244,238,0.72);
  --violet:#16a34a;
  --violet-deep:#15803d;
  --violet-soft:#dcfce7;
  --lime:#bbf7d0;
  --grid:#1f1e1c0e;
}
[data-theme="dark"]{
  --paper:#000000;
  --paper-2:#111111;
  --ink:#ffffff;
  --ink-2:#bbbbbb;
  --mute:#999999;
  --line:rgba(255,255,255,0.1);
  --line-strong:rgba(255,255,255,0.16);
  --nav-bg:rgba(0,0,0,0.85);
  --violet:#22c55e;
  --violet-deep:#16a34a;
  --violet-soft:rgba(34,197,94,0.12);
  --lime:rgba(34,197,94,0.08);
  --grid:rgba(255,255,255,0.04);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Geist', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-feature-settings:"ss01","ss02","cv11";
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background .2s,color .2s;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
.mono{font-family:'Geist Mono', ui-monospace, monospace}
.serif{font-family:'Instrument Serif', serif;font-style:italic;font-weight:400}

.wrap{max-width:1320px;margin:0 auto;padding:0 28px}
section{position:relative}

/* nav (birebir index.html) */
.nav{position:sticky;top:14px;z-index:50;margin:14px auto 0;max-width:1320px;padding:0 14px}
.nav-inner{
  display:flex;align-items:center;gap:16px;
  background:var(--nav-bg);
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:5px 8px 5px 14px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-0.01em}
.brand-name{font-size:15px}
.brand-name .dot{color:var(--violet)}
.nav-links{display:flex;gap:4px;margin:0 auto}
.nav-links a{padding:9px 14px;border-radius:999px;font-size:14.5px;color:var(--ink-2);transition:background .2s,color .2s}
.nav-links a:hover{background:#1f1e1c0a;color:var(--ink)}
.nav-cta{display:flex;gap:8px;align-items:center}
.theme-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;font-size:13.5px;font-weight:500;
  color:var(--ink-2);border:1px solid var(--line-strong);
  background:none;cursor:pointer;transition:background .2s,color .2s;
}
.theme-pill:hover{background:var(--line);color:var(--ink)}
@media (max-width:760px){.nav-links{display:none} .nav-cta .btn-ghost{display:none}}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:999px;font-size:14.5px;font-weight:500;
  transition:transform .15s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  white-space:nowrap;
}
.btn-ghost{color:var(--ink-2)}
.btn-ghost:hover{background:#1f1e1c0a}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{transform:translateY(-1px);box-shadow:0 8px 24px -10px #0e0e1066}
.btn-outline{border:1px solid var(--line-strong);background:transparent}
.btn-outline:hover{background:#1f1e1c08}
.btn-lg{padding:14px 24px;font-size:15.5px}

/* hero */
.hero{padding:64px 0 40px;position:relative}
.eyebrow{
  display:inline-flex;gap:10px;align-items:center;
  background:#fff;border:1px solid var(--line-strong);
  border-radius:999px;padding:6px 14px;
  font-size:13px;color:var(--ink-2)
}
.eyebrow .dot{
  width:8px;height:8px;border-radius:999px;background:var(--violet);
  box-shadow:0 0 0 4px #16a34a22;
}
[data-theme="dark"] .eyebrow{background:#111}
.hero h1{
  font-family:'Geist';
  font-weight:600;
  font-size:clamp(40px, 6.4vw, 88px);
  line-height:.98;
  letter-spacing:-0.035em;
  margin:22px 0 0;
  max-width:1080px;
}
.hero h1 .accent{
  background:linear-gradient(180deg,#16a34a 0%,#15803d 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 em{font-family:'Instrument Serif';font-style:italic;font-weight:400;letter-spacing:-0.02em}
.hero-sub{margin-top:26px;max-width:660px;font-size:18px;line-height:1.5;color:var(--ink-2)}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-meta{display:flex;gap:28px;margin-top:28px;color:var(--mute);font-size:13.5px;flex-wrap:wrap}
.hero-meta b{color:var(--ink);font-weight:600}

/* terminal (birebir index.html) */
.terminal{
  background:var(--ink);color:var(--paper);
  border-radius:22px;padding:18px 18px 16px;
  box-shadow:0 30px 80px -30px #0e0e1066, inset 0 0 0 1px #ffffff08;
  font-family:'Geist Mono', monospace;
  font-size:14px;line-height:1.55;
  min-height:220px;
  position:relative;overflow:hidden;
  margin-top:36px;
}
.terminal::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 60% at 0% 0%, #16a34a22, transparent 60%);
  pointer-events:none;
}
.term-bar{display:flex;align-items:center;gap:6px;padding-bottom:10px;border-bottom:1px solid #ffffff14;margin-bottom:12px;position:relative}
.term-bar .d{width:10px;height:10px;border-radius:50%}
.term-bar .d1{background:#FF5F57}.term-bar .d2{background:#FEBC2E}.term-bar .d3{background:#28C840}
.term-bar .label{margin-left:8px;color:#ffffff66;font-size:12px}
.term-line{display:flex;gap:10px;align-items:flex-start;margin:6px 0;position:relative}
.term-prompt{color:#22c55e;font-weight:600}
.term-comment{color:#ffffff55}
.term-ok{color:#9BE36B}
.term-cursor{display:inline-block;width:8px;height:1.05em;background:var(--paper);vertical-align:-2px;margin-left:2px;animation:seo-blink 1.05s steps(1) infinite}
@keyframes seo-blink{50%{opacity:0}}

/* sections */
.section{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:36px;flex-wrap:wrap}
.section-eyebrow{font-family:'Geist Mono',monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute)}
.section-title{
  font-size:clamp(32px, 4.6vw, 60px);font-weight:600;line-height:1.02;letter-spacing:-0.03em;
  margin:14px 0 0;max-width:900px;
}
.section-title em{font-family:'Instrument Serif';font-style:italic;font-weight:400}
.section-title .accent{color:var(--violet)}
.section-sub{max-width:640px;color:var(--ink-2);font-size:17px;line-height:1.55;margin-top:16px}

/* problem block */
.problem-body{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:start}
@media (max-width:900px){.problem-body{grid-template-columns:1fr}}
.problem-body p{color:var(--ink-2);font-size:16px;line-height:1.65;margin:0 0 14px}
.problem-body p b{color:var(--ink)}
.problem-aside{
  background:var(--paper-2);border:1px solid var(--line-strong);border-radius:18px;
  padding:22px;font-size:14.5px;line-height:1.55;color:var(--ink-2);
}
.problem-aside h4{font-family:'Geist Mono',monospace;font-size:11.5px;text-transform:uppercase;letter-spacing:.16em;color:var(--mute);margin:0 0 10px;font-weight:500}
.problem-aside ul{margin:0;padding-left:18px}
.problem-aside li{margin:4px 0}

/* solution steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:900px){.steps{grid-template-columns:1fr}}
.step{
  background:#fff;border:1px solid var(--line-strong);border-radius:22px;padding:24px;
  position:relative;transition:transform .2s,box-shadow .2s;
}
[data-theme="dark"] .step{background:#111}
.step:hover{transform:translateY(-2px);box-shadow:0 20px 40px -28px #0e0e1033}
.step-n{
  font-family:'Geist Mono',monospace;font-size:12px;
  width:36px;height:36px;border-radius:50%;
  background:var(--violet);color:#fff;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;font-weight:600;
}
.step h3{font-weight:600;font-size:19px;letter-spacing:-0.015em;margin:0 0 8px;line-height:1.25}
.step p{color:var(--ink-2);font-size:14.5px;line-height:1.55;margin:0}

/* faq */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{
  background:#fff;border:1px solid var(--line-strong);border-radius:16px;
  padding:0;overflow:hidden;
}
[data-theme="dark"] .faq-item{background:#111}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;
  font-weight:600;font-size:16.5px;letter-spacing:-0.01em;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:'Geist Mono',monospace;font-size:22px;
  color:var(--violet);font-weight:400;transition:transform .2s;
}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-a{
  padding:0 22px 22px;color:var(--ink-2);font-size:15px;line-height:1.65;
}

/* related pages */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:900px){.related-grid{grid-template-columns:1fr}}
.related-card{
  background:#fff;border:1px solid var(--line-strong);border-radius:18px;
  padding:22px;transition:transform .2s,box-shadow .2s;
  display:flex;flex-direction:column;gap:8px;color:inherit;
}
[data-theme="dark"] .related-card{background:#111}
.related-card:hover{transform:translateY(-2px);box-shadow:0 20px 40px -28px #0e0e1033;border-color:var(--violet)}
.related-card .r-kick{font-family:'Geist Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute)}
.related-card h4{font-weight:600;font-size:17px;letter-spacing:-0.015em;margin:0}
.related-card p{color:var(--ink-2);font-size:13.5px;line-height:1.5;margin:0}
.related-card .r-arrow{margin-top:6px;color:var(--violet);font-family:'Geist Mono',monospace;font-size:13px}

/* final CTA */
.cta-final{
  background:var(--ink);color:var(--paper);border-radius:28px;padding:56px 40px;
  position:relative;overflow:hidden;text-align:center;
}
.cta-final::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 80% at 100% 0%, #16a34a44, transparent 60%),
             radial-gradient(40% 60% at 0% 100%, #bbf7d022, transparent 60%);
  pointer-events:none;
}
.cta-final h2{
  position:relative;font-weight:600;font-size:clamp(32px, 4.8vw, 60px);
  letter-spacing:-0.03em;line-height:1.02;margin:0 auto;max-width:20ch;
}
.cta-final h2 em{font-family:'Instrument Serif';font-style:italic;font-weight:400}
.cta-final p{position:relative;color:#ffffffb0;margin:18px auto 0;max-width:52ch;font-size:16px;line-height:1.55}
.cta-final .cta-actions{position:relative;display:flex;gap:12px;margin-top:28px;justify-content:center;flex-wrap:wrap}
.cta-final .btn-dark{background:#fff;color:var(--ink)}
.cta-final .btn-outline{border-color:#ffffff30;color:var(--paper)}
.cta-final .btn-outline:hover{background:#ffffff10}

/* HUB kart (sayfa 4) */
.hub-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
@media (max-width:900px){.hub-cards{grid-template-columns:1fr}}
.hub-card{
  background:#fff;border:1px solid var(--line-strong);border-radius:22px;
  padding:26px;display:flex;flex-direction:column;gap:10px;transition:transform .2s,box-shadow .2s;color:inherit;
}
[data-theme="dark"] .hub-card{background:#111}
.hub-card:hover{transform:translateY(-3px);box-shadow:0 26px 50px -30px #0e0e1044;border-color:var(--violet)}
.hub-card .h-kick{font-family:'Geist Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--violet)}
.hub-card h3{font-weight:600;font-size:22px;letter-spacing:-0.02em;margin:0;line-height:1.15}
.hub-card p{color:var(--ink-2);font-size:14.5px;line-height:1.55;margin:0}
.hub-card .h-arrow{margin-top:auto;padding-top:14px;color:var(--violet);font-family:'Geist Mono',monospace;font-size:13.5px}
.hub-extra{
  background:var(--paper-2);border:1px solid var(--line-strong);border-radius:22px;
  padding:32px;margin-top:36px;
}
.hub-extra h3{font-weight:600;font-size:24px;letter-spacing:-0.02em;margin:0 0 10px}
.hub-extra p{color:var(--ink-2);font-size:15.5px;line-height:1.6;margin:0;max-width:64ch}

/* footer (birebir index.html) */
footer{padding:60px 0 80px;color:var(--ink-2);border-top:1px solid var(--line);margin-top:80px}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:32px}
@media (max-width:900px){.foot{grid-template-columns:2fr 1fr 1fr 1fr}}
@media (max-width:760px){.foot{grid-template-columns:1fr 1fr}}
.foot h5{font-family:'Geist Mono',monospace;font-size:12px;text-transform:uppercase;letter-spacing:.18em;color:var(--mute);margin:0 0 14px;font-weight:500}
.foot ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;font-size:14px}
.foot a:hover{color:var(--violet)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line-strong);font-size:13px;color:var(--mute);flex-wrap:wrap}