:root{
  --bg: #050505;
  --bg-alt: #0d0f0d;
  --card: #111411;
  --green: #00ff41;
  --green-dim: #0a8f2c;
  --green-glow: rgba(0,255,65,0.35);
  --white: #eaeaea;
  --gray: #9aa39a;
  --border: #1e2a1e;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--white);
  font-family:'Courier New', Consolas, monospace;
  line-height:1.6;
  overflow-x:hidden;
}
a{color:var(--green);text-decoration:none;}
#matrix-rain{
  position:fixed;top:0;left:0;width:100%;height:100%;
  z-index:-1;opacity:0.35;
}

/* NAV */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(5,5,5,0.9);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
  padding:16px 6%;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;
  gap:12px;
}
.logo{
  font-size:1.3rem;font-weight:bold;color:var(--green);
  letter-spacing:2px;
  text-shadow:0 0 8px var(--green-glow);
}
.logo span{color:var(--white);}
nav ul{
  list-style:none;display:flex;gap:26px;flex-wrap:wrap;
}
nav a{
  color:var(--white);
  font-size:0.95rem;
  letter-spacing:1px;
  position:relative;
  padding-bottom:4px;
  transition:color .2s;
}
nav a:hover{color:var(--green);text-shadow:0 0 8px var(--green-glow);}
nav a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--green);transition:width .25s;
}
nav a:hover::after{width:100%;}

/* HERO */
.hero{
  min-height:92vh;
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;
  padding:40px 6%;
  position:relative;
}
.hero .prompt{
  color:var(--green-dim);font-size:0.95rem;margin-bottom:10px;letter-spacing:1px;
}
.hero h1{
  font-size:clamp(2.2rem, 6vw, 4rem);
  color:var(--white);
  text-shadow:0 0 18px var(--green-glow);
  margin-bottom:14px;
}
.hero h1 .highlight{color:var(--green);}
.hero .role{
  font-size:clamp(1rem, 2.5vw, 1.4rem);
  color:var(--green);
  border-right:2px solid var(--green);
  white-space:nowrap;overflow:hidden;
  padding-right:6px;
  animation:blink 0.8s steps(1) infinite;
  margin-bottom:22px;
}
@keyframes blink{50%{border-color:transparent;}}
.hero p.tagline{
  max-width:640px;color:var(--gray);font-size:1.05rem;margin-bottom:30px;
}
.btn-row{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;}
.btn{
  padding:12px 26px;
  border:1px solid var(--green);
  color:var(--green);
  border-radius:4px;
  font-size:0.95rem;
  letter-spacing:1px;
  transition:all .25s;
  background:transparent;
  cursor:pointer;
  font-family:inherit;
}
.btn:hover{background:var(--green);color:#000;box-shadow:0 0 20px var(--green-glow);}
.btn.solid{background:var(--green);color:#000;}
.btn.solid:hover{box-shadow:0 0 20px var(--green-glow);}

/* SECTIONS GENERIC */
section{
  padding:90px 6%;
  max-width:1200px;margin:0 auto;
  border-bottom:1px solid var(--border);
}
section:last-of-type{border-bottom:none;}
.section-title{
  font-size:clamp(1.6rem,4vw,2.2rem);
  color:var(--white);
  margin-bottom:8px;
  display:flex;align-items:center;gap:14px;
}
.section-title::before{
  content:'>';color:var(--green);
}
.section-sub{
  color:var(--gray);margin-bottom:44px;font-size:0.95rem;
}

/* HAKKINDA */
.about-grid{
  display:grid;grid-template-columns:1fr 1.4fr;gap:50px;align-items:start;
}
.about-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:8px;
  padding:26px;
}
.about-card h3{color:var(--green);margin-bottom:14px;font-size:1.05rem;}
.info-line{
  display:flex;justify-content:space-between;
  padding:8px 0;border-bottom:1px dashed var(--border);
  font-size:0.92rem;color:var(--gray);
}
.info-line b{color:var(--white);font-weight:normal;}
.about-text p{margin-bottom:16px;color:var(--gray);font-size:1rem;}
.about-text strong{color:var(--white);}
.about-text .accent{color:var(--green);}
.goal-box{
  margin-top:18px;
  border-left:3px solid var(--green);
  padding:14px 20px;
  background:var(--bg-alt);
  border-radius:0 6px 6px 0;
}
.goal-box .goal-title{color:var(--green);font-size:0.85rem;letter-spacing:1px;margin-bottom:6px;}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.tag{
  border:1px solid var(--green-dim);color:var(--green);
  padding:4px 12px;border-radius:20px;font-size:0.78rem;
}

/* YETENEKLER */
.skills-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;
}
.skill-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:8px;padding:24px;transition:transform .25s, border-color .25s;
}
.skill-card:hover{transform:translateY(-4px);border-color:var(--green-dim);}
.skill-card h3{
  color:var(--green);font-size:1.05rem;margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.skill-card h3 .icon{font-size:1.2rem;}
.skill-item{
  display:flex;justify-content:space-between;align-items:center;
  padding:8px 0;border-bottom:1px solid var(--border);
  font-size:0.9rem;
}
.skill-item:last-child{border-bottom:none;}
.level{
  font-size:0.7rem;padding:2px 10px;border-radius:12px;letter-spacing:0.5px;
}
.level.orta{background:rgba(0,255,65,0.12);color:var(--green);}
.level.temel{background:rgba(154,163,154,0.12);color:var(--gray);}

/* SERTIFIKALAR */
.cert-card{
  background:var(--card);border:1px solid var(--border);border-radius:8px;
  padding:30px;display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start;
}
.cert-left h3{color:var(--white);font-size:1.2rem;margin-bottom:6px;}
.cert-left .org{color:var(--green);font-size:0.95rem;margin-bottom:14px;}
.cert-left p{color:var(--gray);font-size:0.9rem;max-width:520px;}
.cert-right{text-align:right;min-width:200px;}
.cert-right .badge{
  display:inline-block;background:rgba(0,255,65,0.1);color:var(--green);
  padding:6px 16px;border-radius:20px;font-size:0.8rem;margin-bottom:10px;
}
.cert-right .date{color:var(--gray);font-size:0.85rem;}
.cert-topics{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px;}

/* PROJELER / MINI PROJELER */
.projects-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px;
}
.project-card{
  background:var(--card);border:1px solid var(--border);border-radius:8px;
  overflow:hidden;display:flex;flex-direction:column;transition:transform .25s, border-color .25s;
}
.project-card:hover{transform:translateY(-5px);border-color:var(--green-dim);}
.project-head{
  padding:18px 22px;border-bottom:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;
  background:linear-gradient(90deg, rgba(0,255,65,0.06), transparent);
}
.project-head h3{color:var(--white);font-size:1.1rem;}
.project-head .status{color:var(--green);font-size:0.75rem;border:1px solid var(--green-dim);padding:3px 10px;border-radius:12px;}
.project-body{padding:20px 22px;flex:1;display:flex;flex-direction:column;gap:14px;}
.project-body p{color:var(--gray);font-size:0.92rem;}
.project-card.soon{
  display:flex;align-items:center;justify-content:center;text-align:center;
  border-style:dashed;min-height:180px;color:var(--gray);
}
.project-card.soon span{color:var(--green);font-size:1.8rem;display:block;margin-bottom:10px;}

/* ILETISIM */
.contact-wrap{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;
}
.contact-info{
  background:var(--card);border:1px solid var(--border);border-radius:8px;padding:30px;
}
.contact-info p{color:var(--gray);margin-bottom:24px;}
.social-links{display:flex;flex-direction:column;gap:14px;}
.social-link{
  display:flex;align-items:center;gap:14px;
  padding:14px 18px;border:1px solid var(--border);border-radius:8px;
  color:var(--white);transition:all .2s;
}
.social-link:hover{border-color:var(--green);background:rgba(0,255,65,0.05);}
.social-link svg{width:22px;height:22px;fill:var(--green);flex-shrink:0;}

.contact-form-card{
  background:var(--card);border:1px solid var(--border);border-radius:8px;padding:30px;
}
.contact-form-card h3{color:var(--green);margin-bottom:18px;font-size:1.05rem;}
.form-group{margin-bottom:16px;display:flex;flex-direction:column;gap:6px;}
.form-group label{font-size:0.82rem;color:var(--gray);letter-spacing:0.5px;}
.form-group input,
.form-group textarea{
  background:var(--bg-alt);
  border:1px solid var(--border);
  border-radius:6px;
  padding:10px 12px;
  color:var(--white);
  font-family:inherit;
  font-size:0.9rem;
  resize:vertical;
  transition:border-color .2s, box-shadow .2s;
}
.form-group input:focus,
.form-group textarea:focus{
  outline:none;
  border-color:var(--green);
  box-shadow:0 0 10px var(--green-glow);
}
.form-note{
  margin-top:12px;color:var(--gray);font-size:0.78rem;line-height:1.5;
}
.form-status{
  margin-top:10px;font-size:0.82rem;color:var(--green);min-height:18px;
}

.terminal-box{
  background:#000;border:1px solid var(--green-dim);border-radius:8px;
  padding:24px;font-size:0.88rem;color:var(--green);
  box-shadow:0 0 25px rgba(0,255,65,0.08);
  grid-column:1 / -1;
}
.terminal-box .line{margin-bottom:10px;}
.terminal-box .dim{color:var(--gray);}
.terminal-box .cursor{display:inline-block;width:8px;height:14px;background:var(--green);animation:blink 0.9s steps(1) infinite;}

/* FOOTER */
footer{
  padding:40px 6%;text-align:center;
  border-top:1px solid var(--border);
  background:var(--bg-alt);
}
.footer-social{
  display:flex;justify-content:center;gap:22px;margin-bottom:20px;
}
.footer-social a{
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  transition:all .25s;
}
.footer-social a:hover{border-color:var(--green);box-shadow:0 0 14px var(--green-glow);transform:translateY(-3px);}
.footer-social svg{width:20px;height:20px;fill:var(--gray);transition:fill .25s;}
.footer-social a:hover svg{fill:var(--green);}
footer .copy{color:var(--gray);font-size:0.82rem;}
footer .copy span{color:var(--green);}

@media(max-width:820px){
  .about-grid{grid-template-columns:1fr;}
  nav ul{gap:16px;font-size:0.85rem;}
}