:root{
  --paper:#f6f5f1;
  --paper2:#eeede7;
  --card:#ffffff;
  --ink:#111114;
  --muted:#6b6b66;
  --accent:#2743ff;
  --accent-dark:#1c31c4;
  --line:#dddcd4;
}
/* Siyah tema */
html.dark{
  --paper:#0e0e10;
  --paper2:#141416;
  --card:#1a1a1e;
  --ink:#f0efe9;
  --muted:#96958d;
  --accent:#5e78ff; /* koyu zeminde okunabilir parlak ton */
  --line:#27272c;
}
html.dark nav{background:rgba(14,14,16,.92)}
html.dark .pkg:hover{box-shadow:0 18px 44px rgba(0,0,0,.45)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body,nav,.pkg,.demo-row,.btn-ghost,.skills span,
.f-block input,.f-block select,.f-block textarea{transition:background-color .3s ease,border-color .3s ease,color .3s ease}
body{background:var(--paper);color:var(--ink);font-family:'Geist',sans-serif;line-height:1.65}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.mono{font-family:'Geist Mono',monospace}

/* NAV */
nav{position:sticky;top:0;z-index:50;background:rgba(246,245,241,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px;gap:18px}
.nav-actions{display:flex;align-items:center;gap:16px}
.logo{font-weight:800;font-size:1.12rem;letter-spacing:-.02em}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:26px;font-size:.92rem;color:var(--muted);font-weight:500}
.nav-links a:hover{color:var(--ink)}
.nav-cta{background:var(--ink);color:var(--paper);font-weight:600;padding:9px 18px;border-radius:999px;font-size:.88rem;white-space:nowrap;transition:background .2s}
.nav-cta:hover{background:var(--accent);color:#fff}
.nav-wa{width:38px;height:38px;border-radius:50%;background:var(--card);border:1px solid var(--line);color:#25D366;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .15s,border-color .2s}
.nav-wa:hover{border-color:#25D366}
.nav-wa:active{transform:scale(.92)}
/* Cizgi ikonlar */
.icon{width:1.1em;height:1.1em;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.18em;flex-shrink:0}
.theme-btn .icon-sun{display:none}
html.dark .theme-btn .icon-sun{display:block}
html.dark .theme-btn .icon-moon{display:none}
.theme-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:1.05rem;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:border-color .2s,transform .15s}
.theme-btn:hover{border-color:var(--accent)}
.theme-btn:active{transform:scale(.92)}
.nav-burger{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--ink)}
@media(max-width:960px){
  .nav-links{position:fixed;inset:66px 0 auto 0;background:var(--paper);flex-direction:column;padding:22px;border-bottom:1px solid var(--line);display:none}
  .nav-links.open{display:flex}
  .nav-burger{display:block}
}

/* HERO */
.hero{border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:64px;align-items:center;padding:84px 22px 92px}
.hero-kicker{font-family:'Geist Mono',monospace;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:20px}
.hero h1{font-size:clamp(2.4rem,5.2vw,4rem);line-height:1.04;letter-spacing:-.035em;font-weight:800}
.hero h1 em{font-style:italic;color:var(--accent);line-height:1.1;padding-bottom:.06em;display:inline-block;white-space:nowrap}
/* imlec: italik harflerin saga tasan kuyrugu ezmesin diye em cinsinden bosluk birakir */
.hero h1 em.typing::after{content:"";display:inline-block;width:3px;height:.85em;background:var(--accent);margin-left:.16em;vertical-align:-.04em;animation:caret .8s steps(1) infinite}
@keyframes caret{0%,100%{opacity:1}50%{opacity:0}}
@media(prefers-reduced-motion:reduce){.hero h1 em.typing::after{display:none}}
.hero-sub{color:var(--muted);font-size:1.08rem;max-width:46ch;margin:22px 0 32px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:.94rem;transition:transform .15s,background .2s,color .2s,border-color .2s}
.btn:active{transform:scale(.97)}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{background:var(--accent);color:#fff}
.btn-ghost{border:1px solid var(--line);background:var(--card);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* HERO SIDE — canlı demolar */
.hero-side{display:flex;flex-direction:column;gap:10px}
.side-label{font-family:'Geist Mono',monospace;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.demo-row{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:border-color .2s,transform .2s}
.demo-row:hover{border-color:var(--accent);transform:translateX(4px)}
.demo-row b{display:block;font-size:.96rem;font-weight:600}
.demo-row small{color:var(--muted);font-size:.8rem}
.demo-row>span:nth-child(2){flex:1}
.demo-dot{width:8px;height:8px;border-radius:50%;background:#2bb673;flex-shrink:0;animation:blink 2.4s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.demo-arrow{color:var(--accent);display:flex;align-items:center}
.demo-arrow .icon{width:1.15em;height:1.15em}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:44px;padding:56px 22px 64px}
}

/* SECTIONS */
section{padding:92px 0}
.band{background:var(--paper2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(1.8rem,3.4vw,2.5rem);letter-spacing:-.03em;font-weight:800;margin-bottom:14px}
.sec-sub{color:var(--muted);max-width:58ch;margin-bottom:46px}

/* HIZMETLER */
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-top:34px}
.svc{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line)}
.svc-num{font-family:'Geist Mono',monospace;font-size:.8rem;color:var(--accent);padding-top:5px}
.svc h3{font-size:1.06rem;font-weight:600;margin-bottom:6px}
.svc p{color:var(--muted);font-size:.92rem}
@media(max-width:760px){.svc-grid{grid-template-columns:1fr}}

/* PAKETLER */
.pkg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
.pkg{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:34px 30px;display:flex;flex-direction:column;position:relative;transition:transform .2s,box-shadow .2s}
.pkg:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(17,17,20,.08)}
.pkg.pop{border-color:var(--accent)}
.pop-tag{position:absolute;top:-12px;left:30px;background:var(--accent);color:#fff;font-family:'Geist Mono',monospace;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.pkg h3{font-size:1.3rem;font-weight:800;letter-spacing:-.02em}
.pkg-tag{color:var(--muted);font-size:.88rem;margin:8px 0 22px;min-height:2.9em}
.pkg ul{list-style:none;flex:1;border-top:1px solid var(--line);margin-bottom:28px}
.pkg li{padding:11px 0 11px 24px;border-bottom:1px solid var(--line);font-size:.88rem;color:var(--muted);position:relative;line-height:1.55}
.pkg li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.pkg-btns{display:flex;gap:10px}
.pkg-btns .btn{flex:1;padding:12px 10px;font-size:.86rem}
@media(max-width:920px){.pkg-grid{grid-template-columns:1fr;max-width:520px}.pkg-tag{min-height:0}}

/* SÜREÇ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;margin-top:38px}
.step span{font-family:'Geist Mono',monospace;font-size:.84rem;color:var(--accent);display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--accent);border-radius:50%;margin-bottom:16px}
.step h3{font-size:1.04rem;font-weight:600;margin-bottom:8px}
.step p{color:var(--muted);font-size:.9rem}
@media(max-width:860px){.steps{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* HAKKIMDA */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
.about-txt{color:var(--muted);margin-bottom:16px;max-width:58ch}
.about-txt strong{color:var(--ink)}
.skills{display:flex;flex-wrap:wrap;gap:10px;padding-top:52px}
.skills span{font-family:'Geist Mono',monospace;font-size:.78rem;padding:8px 15px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:var(--card)}
@media(max-width:860px){.about-grid{grid-template-columns:1fr;gap:24px}.skills{padding-top:0}}

/* İLETİŞİM */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:72px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.f-block{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.f-block label{font-weight:600;font-size:.9rem}
.f-block input,.f-block select,.f-block textarea{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:13px 15px;font-family:inherit;font-size:.94rem;color:var(--ink)}
.f-block input:focus,.f-block select:focus,.f-block textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:transparent}
/* Honeypot: ekrandan ve okuyuculardan tamamen gizli, sadece botlar doldurur */
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.form-note{margin-top:14px;font-size:.9rem;min-height:1.4em}
.form-note.err{color:#c0392b}
.form-note.err a{color:inherit;text-decoration:underline}

/* Morph'lu gonder butonu: hap -> daire+spinner -> ✓ Gonderildi */
.submit-btn{position:relative;overflow:hidden;min-width:150px;transition:width .38s cubic-bezier(.16,1,.3,1),background .3s,border-color .3s,transform .15s}
.submit-btn .sb-label{transition:opacity .18s}
.sb-loader,.sb-done,.sb-fail{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:8px;opacity:0;pointer-events:none;transition:opacity .25s}
.sb-loader{margin:auto;width:20px;height:20px;border-radius:50%;border:2.5px solid currentColor;border-top-color:transparent;inset:auto;left:50%;top:50%;transform:translate(-50%,-50%)}
.sb-done svg,.sb-fail svg{width:1.15em;height:1.15em;stroke:currentColor;stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.submit-btn.loading .sb-label,.submit-btn.success .sb-label,.submit-btn.error .sb-label{opacity:0}
.submit-btn.loading .sb-loader{opacity:1;animation:sbspin .7s linear infinite}
@keyframes sbspin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.submit-btn.success{background:#1d9e63;border-color:#1d9e63;color:#fff}
.submit-btn.success .sb-done{opacity:1}
.submit-btn.success .sb-done svg path{stroke-dasharray:24;stroke-dashoffset:24;animation:sbdraw .45s .1s ease forwards}
@keyframes sbdraw{to{stroke-dashoffset:0}}
.submit-btn.error{background:#c0392b;border-color:#c0392b;color:#fff;animation:sbshake .4s}
.submit-btn.error .sb-fail{opacity:1}
@keyframes sbshake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-5px)}40%,80%{transform:translateX(5px)}}
@media(prefers-reduced-motion:reduce){.submit-btn{transition:none}.submit-btn.error{animation:none}.sb-done svg path{animation:none!important;stroke-dashoffset:0!important}}
.contact-side{display:flex;flex-direction:column;gap:26px;padding-top:8px}
.c-block span{display:block;font-family:'Geist Mono',monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.c-block a{display:block;font-weight:600;font-size:1.02rem;padding:2px 0}
.c-block a:hover{color:var(--accent)}
.c-block p{font-weight:600}
.social-row{display:flex;gap:10px;margin-top:2px}
.social-row a{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink);padding:0;transition:border-color .2s,color .2s,transform .2s}
.social-row a:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr;gap:44px}.f-row{grid-template-columns:1fr}}

footer{border-top:1px solid var(--line);padding:34px 0}
.foot-in{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.88rem}

/* REVEAL */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s cubic-bezier(.16,1,.3,1),transform .65s cubic-bezier(.16,1,.3,1)}
.reveal.show{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.demo-dot{animation:none}}