/* ================================================================
   VDSSATINAL.INFO — Tech / Donanım Teması
   Konsept: Electric Blue + Slate — Teknik, analitik, bilimsel
   ================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root {
  --bg:       #060b14;
  --bg2:      #080f1c;
  --panel:    #0c1526;
  --panel2:   #101c30;
  --accent:   #3b82f6;
  --accent2:  #60a5fa;
  --accent3:  #93c5fd;
  --text:     #d1e3ff;
  --text-dim: #64748b;
  --border:   rgba(59,130,246,0.15);
  --radius:   14px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.8; overflow-x: hidden;
}

/* Hexagon pattern */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(59,130,246,0.08) 1px, transparent 0);
  background-size: 30px 30px;
  pointer-events: none; z-index: 0;
}

.progress-bar {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
  z-index: 9999; width: 0;
  box-shadow: 0 0 12px var(--accent);
}

.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(6,11,20,0.92);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.header-container {
  max-width: 1150px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 10px; }

.logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.logo-text {
  font-family: 'Space Mono', monospace;
  font-size: 1rem; font-weight: 700; color: #fff; letter-spacing: 1px;
}

.nav-links { display: flex; gap: 0.3rem; }
.nav-links a {
  color: var(--text-dim); text-decoration: none;
  padding: 0.4rem 0.9rem; border-radius: 6px;
  font-size: 0.88rem; font-weight: 500; transition: all 0.2s;
}
.nav-links a:hover { color: var(--accent2); background: rgba(59,130,246,0.1); }

.cta-button {
  background: var(--accent);
  color: #fff !important; -webkit-text-fill-color: #fff;
  padding: 0.5rem 1.3rem; border-radius: 8px;
  text-decoration: none; font-size: 0.88rem; font-weight: 600;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(59,130,246,0.3);
}
.cta-button:hover { background: var(--accent2); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(59,130,246,0.5); }

.container { max-width: 1150px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 1; }

.hero-intro { padding: 7rem 2rem 5rem; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3);
  color: var(--accent2); padding: 0.35rem 1rem; border-radius: 6px;
  font-family: 'Space Mono', monospace; font-size: 0.75rem;
  letter-spacing: 1px; margin-bottom: 2rem;
}

.hero-intro h1 {
  font-size: clamp(1.8rem, 4.5vw, 3rem); font-weight: 700; color: #fff;
  line-height: 1.2; margin-bottom: 1.5rem;
}
.hero-intro h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.subtitle { color: var(--text-dim); font-size: 1rem; max-width: 650px; margin-bottom: 2.5rem; }

/* Benchmark table style stats */
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1rem; margin-top: 3rem;
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
}
.stat-item {
  text-align: center; padding: 1.5rem 1rem;
  border-right: 1px solid var(--border);
  background: var(--panel);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: 'Space Mono', monospace;
  font-size: 1.4rem; font-weight: 700; color: var(--accent2); display: block;
}
.stat-label { font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-top: 0.3rem; }

.content-block { margin: 2rem 0 6rem; }

.section {
  background: linear-gradient(135deg, var(--panel), var(--panel2));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 3rem; margin-bottom: 2rem;
  position: relative; overflow: hidden; transition: all 0.3s;
}
.section::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 250px; height: 250px;
  background: radial-gradient(ellipse at top right, rgba(59,130,246,0.05) 0%, transparent 70%);
}
.section:hover { border-color: rgba(59,130,246,0.3); box-shadow: 0 8px 40px rgba(59,130,246,0.08); }

.section-number {
  font-family: 'Space Mono', monospace;
  display: inline-block; font-size: 0.7rem;
  color: var(--accent); margin-bottom: 0.5rem;
}

.section h2 { font-size: 1.6rem; font-weight: 700; color: #fff; margin-bottom: 1.5rem; line-height: 1.3; }

.section img {
  width: 100%; height: 320px; object-fit: cover;
  border-radius: 10px; margin: 1.5rem 0;
  border: 1px solid var(--border);
}

.section p { color: var(--text-dim); font-size: 0.97rem; margin-bottom: 1.1rem; line-height: 1.85; text-align: justify; }

a { color: var(--accent2); text-decoration: none; font-weight: 600; }
a:hover { color: var(--accent3); }

.footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 4rem 2rem 2rem; margin-top: 4rem; }
.footer-container { max-width: 1150px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; padding-bottom: 2.5rem; border-bottom: 1px solid var(--border); margin-bottom: 1.5rem; }
.footer-col h4 { color: var(--accent2); font-family: 'Space Mono', monospace; font-size: 0.8rem; margin-bottom: 1.2rem; font-weight: 700; letter-spacing: 1px; }
.footer-col a { display: block; color: var(--text-dim); text-decoration: none; margin-bottom: 0.5rem; font-size: 0.88rem; transition: all 0.2s; font-weight: 400; }
.footer-col a:hover { color: var(--accent2); padding-left: 4px; }
.footer-desc { color: var(--text-dim); font-size: 0.88rem; line-height: 1.7; margin-top: 0.8rem; }
.footer-bottom { text-align: center; font-size: 0.82rem; color: var(--text-dim); }

@media (max-width: 768px) {
  .header-container { flex-direction: column; gap: 1rem; }
  .section { padding: 2rem 1.5rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .nav-links { display: none; }
}