:root{
  /* Light theme base */
  --bg: #f6f7f9;
  --text: #121418;
  --muted: rgba(18,20,24,.72);

  --panel: rgba(255,255,255,.78);
  --panel-2: rgba(255,255,255,.92);
  --border: rgba(17,24,39,.12);
  --shadow: 0 12px 40px rgba(17,24,39,.10);

  --radius: 18px;
  --max: 1100px;
  --pad: clamp(18px, 4vw, 44px);

  /* Tag / button shades (subtle, differentiated) */
  --shade-strategy-bg: rgba(59, 130, 246, .14);
  --shade-strategy-br: rgba(59, 130, 246, .28);

  --shade-ai-bg: rgba(168, 85, 247, .14);
  --shade-ai-br: rgba(168, 85, 247, .28);

  --shade-cloud-bg: rgba(20, 184, 166, .14);
  --shade-cloud-br: rgba(20, 184, 166, .28);

  --shade-security-bg: rgba(245, 158, 11, .16);
  --shade-security-br: rgba(245, 158, 11, .30);

  --btn-primary-bg: rgba(59, 130, 246, .16);
  --btn-primary-br: rgba(59, 130, 246, .30);

  --btn-secondary-bg: rgba(17,24,39,.06);
  --btn-secondary-br: rgba(17,24,39,.14);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body{
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, 'Helvetica Neue', Arial, sans-serif;
  background:
    radial-gradient(1000px 650px at 10% 0%, rgba(59,130,246,.10), transparent 55%),
    radial-gradient(900px 520px at 90% 10%, rgba(168,85,247,.08), transparent 55%),
    radial-gradient(900px 520px at 70% 80%, rgba(20,184,166,.08), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

/* ---------- Top block / hero (still the “top block”, but lighter) ---------- */
.hero{
  height: 82vh;
  min-height: 680px;
  max-height: 980px;
  display: flex;
  flex-direction: row;
  background:
    linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.55)),
    #e9eaee;
}
.left, .right { flex: 1; height: 100%; }

.left{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap: 22px;
  padding: 80px;
  position: relative;
}
.headline{
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 400;
  line-height: 1.25;
  max-width: 640px;
  color: rgba(18,20,24,.92);
}

.topnav{
  position:absolute;
  top: 26px;
  left: 80px;
  right: 80px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 18px;
  font-size: 14px;
  color: rgba(18,20,24,.78);
}
.topnav .navlinks{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.topnav a{
  color: rgba(18,20,24,.86);
  text-decoration:none;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.55);
  backdrop-filter: blur(8px);
}
.topnav a:hover{
  background: rgba(255,255,255,.78);
}

.footer{
  position:absolute;
  bottom: 32px;
  left: 80px;
  right: 80px;
  display:flex;
  justify-content:space-between;
  gap: 16px;
  font-size: 14px;
  color: rgba(18,20,24,.68);
}
.footer a{
  color: rgba(18,20,24,.80);
  text-decoration:none;
}
.footer a:hover{ text-decoration: underline; }

.right{
  background-color: var(--bg);
  background-image: url('mehmetuner.jpg');
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  position: relative;
}
.name{
  position:absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  font-size: clamp(26px, 5.2vw, 56px);
  font-weight: 800;
  color:#ffffff;
  text-shadow: 0 3px 24px rgba(0,0,0,.35);
  letter-spacing: .5px;
  z-index: 1;
  white-space: nowrap;
  max-width: 100%;
}

/* ---------- Sections ---------- */
.section{ padding: calc(var(--pad) + 14px) var(--pad); }
.wrap{ max-width: var(--max); margin: 0 auto; }

.kicker{
  color: rgba(18,20,24,.62);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 12px;
  margin-bottom: 10px;
}
h2{
  font-size: clamp(22px, 2.7vw, 34px);
  letter-spacing: .2px;
  margin-bottom: 14px;
}
p{
  color: var(--muted);
  font-size: 16px;
  max-width: 80ch;
}

/* Simple text blocks (About / Vision) */
.textblock{
  margin-top: 12px;
  display:grid;
  gap: 14px;
}
.textblock .lead{
  font-size: 17px;
  color: rgba(18,20,24,.78);
}

/* Center the About/Vision card content and remove max-width gap */
#about .textblock,
#vision .textblock{
  justify-items: start;
  text-align: left;
}
#about .textblock p,
#vision .textblock p{
  max-width: 100%;
}
#about .pillrow,
#vision .pillrow{
  justify-content: center;
}

/* ---------- Pills / Buttons ---------- */
.pillrow{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 14px;
}

.pill, .btn{
  font-size: 13px;
  color: rgba(18,20,24,.86);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.60);
  padding: 8px 10px;
  border-radius: 999px;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap: 10px;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.pill:hover, .btn:hover{ transform: translateY(-1px); }

/* Tag variants */
.pill[data-variant="strategy"]{ background: var(--shade-strategy-bg); border-color: var(--shade-strategy-br); }
.pill[data-variant="ai"]{ background: var(--shade-ai-bg); border-color: var(--shade-ai-br); }
.pill[data-variant="cloud"]{ background: var(--shade-cloud-bg); border-color: var(--shade-cloud-br); }
.pill[data-variant="security"]{ background: var(--shade-security-bg); border-color: var(--shade-security-br); }

/* Buttons */
.btn{
  padding: 12px 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn.primary{
  background: var(--btn-primary-bg);
  border-color: var(--btn-primary-br);
}
.btn.secondary{
  background: var(--btn-secondary-bg);
  border-color: var(--btn-secondary-br);
}
.btn.primary:hover{
  background: rgba(59, 130, 246, .22);
  border-color: rgba(59, 130, 246, .38);
}
.btn.secondary:hover{
  background: rgba(17,24,39,.08);
  border-color: rgba(17,24,39,.18);
}

/* ---------- Focus cards (3 boxes) ---------- */
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}
.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow);
}
.card h3{ font-size: 18px; margin-bottom: 8px; color: rgba(18,20,24,.92); }
.card p{ font-size: 15px; }

.email{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  margin-top: 12px;
  color: rgba(18,20,24,.88);
  text-decoration:none;
  border-bottom: 1px dashed rgba(17,24,39,.30);
  padding-bottom: 2px;
  width: fit-content;
}
.email:hover{ border-bottom-color: rgba(17,24,39,.55); }

/* ---------- Contact ---------- */
.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 18px;
}
form{ margin-top: 4px; display:grid; gap: 12px; }
.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
label{
  font-size: 13px;
  color: rgba(18,20,24,.78);
  display:block;
  margin-bottom: 6px;
}
input, textarea{
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.70);
  color: rgba(18,20,24,.92);
  padding: 12px 12px;
  font-family: inherit;
  font-size: 15px;
  outline: none;
}
textarea{ min-height: 140px; resize: vertical; }
input:focus, textarea:focus{
  border-color: rgba(59,130,246,.35);
  background: rgba(255,255,255,.85);
}
.actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items:center;
  margin-top: 6px;
}
.fineprint{
  font-size: 13px;
  color: rgba(18,20,24,.62);
  max-width: 75ch;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero{ flex-direction: column; height: auto; min-height: 0; }
  .left, .right{ height: auto; min-height: 52vh; padding: 44px; }
  .topnav{ left: 44px; right: 44px; top: 18px; }
  .footer{ left: 44px; right: 44px; bottom: 18px; }
  .name{ left: 24px; bottom: 24px; }

  .grid-2{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .row{ grid-template-columns: 1fr; }
}

@media (max-width: 1000px){
  .name{
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    padding: 0 16px;
    white-space: normal;
  }
}


/* Section header polish */
.kicker{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.55);
  border: 1px solid rgba(17,24,39,.10);
}
.kicker::before{
  content:"";
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: rgba(59,130,246,.45);
}

/* Headline hierarchy */
h2{
  font-weight: 750;
  color: rgba(18,20,24,.92);
}

/* Contact intro block */
#contact .intro{
  margin-top: 10px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255,255,255,.70);
  border: 1px solid rgba(17,24,39,.10);
  box-shadow: 0 10px 30px rgba(17,24,39,.06);
}
#contact .intro p{
  margin: 0;
  color: rgba(18,20,24,.70);
}
#contact .intro p + p{ margin-top: 8px; }

/* Form card refinement */
#contact .card{
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(17,24,39,.12);
  box-shadow: 0 14px 44px rgba(17,24,39,.10);
}
#contact .card::before{
  content:"";
  display:block;
  height: 1px;
  margin: 2px 0 16px;
  background: linear-gradient(90deg, rgba(59,130,246,.35), rgba(168,85,247,.25), rgba(20,184,166,.25), rgba(245,158,11,.25));
}

/* Input polish */
input, textarea{
  box-shadow: 0 6px 18px rgba(17,24,39,.06);
}
input::placeholder, textarea::placeholder{
  color: rgba(18,20,24,.45);
}

/* Contact layout: when only one card, let it span full width */
#contact .grid-2{ grid-template-columns: 1fr; }
#contact .card{ width: 100%; }
#contact form{ max-width: 100%; }
#contact .status{ margin: 10px 0 14px; font-size: 14px; color: rgba(18,20,24,.78); }
#contact .status.ok{ color: rgba(16, 120, 74, .92); }
#contact .status.err{ color: rgba(185, 28, 28, .92); }
#contact .hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }


/* About & Vision cards */
#about .card, #vision .card{
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(17,24,39,.12);
  box-shadow: 0 14px 44px rgba(17,24,39,.10);
}
#about .card .lead, #vision .card .lead{
  color: rgba(18,20,24,.74);
}
