/* ==========================================================================
   Yıl Yazılım Marketing Site Styles
   ========================================================================== */

:root{
  --bg: #070b14;
  --bg-alt: #0a0f1c;
  --surface: rgba(255,255,255,0.035);
  --surface-2: rgba(255,255,255,0.055);
  --border: rgba(255,255,255,0.09);
  --border-soft: rgba(255,255,255,0.06);

  --text: #f5f7fa;
  --text-muted: #9aa5bd;
  --text-dim: #626d87;

  --blue: #2c6fe0;
  --blue-bright: #4a8dff;
  --blue-deep: #0b3a73;
  --blue-glow: rgba(58,120,222,0.35);

  --gold: #f2b84b;
  --gold-soft: rgba(242,184,75,0.16);

  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;

  --font-display: 'Bricolage Grotesque', 'Georgia', serif;
  --font-body: 'Manrope', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --ease: cubic-bezier(.16,.84,.44,1);
  color-scheme: dark;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; scroll-padding-top: 128px; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; cursor:pointer; }
input, textarea, select{ font-family: inherit; }

.container{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

/* grain texture overlay */
.grain{
  position: fixed; inset:0; z-index: 999; pointer-events:none;
  opacity: 0.045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ---------- headings & type helpers ---------- */
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text);
}
p{ margin:0; }

.section-eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0 0 14px;
}
.section-title{
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.15;
  max-width: 720px;
}
.section-sub{
  color: var(--text-muted);
  font-size: 17px;
  max-width: 620px;
  margin-top: 16px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: linear-gradient(135deg, var(--blue-bright), var(--blue));
  color: #fff;
  box-shadow: 0 8px 28px -8px rgba(44,111,224,0.65);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 14px 34px -10px rgba(44,111,224,0.8); }
.btn-ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--blue-bright); color: var(--blue-bright); }
.btn-sm{ padding: 10px 18px; font-size: 14px; }
.btn-block{ width:100%; }

/* ---------- header ---------- */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 500;
  padding: 10px 0;
  transition: background .3s var(--ease), padding .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled{
  padding: 6px 0;
  background: rgba(7,11,20,0.78);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border-soft);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap: 24px; }
.brand-mark{ height: 92px; width:auto; }
.main-nav{ display:flex; align-items:center; gap: 34px; }
.main-nav a{
  font-size: 14.5px; font-weight: 600; color: var(--text-muted);
  transition: color .2s;
  position: relative;
}
.main-nav a:hover{ color: var(--text); }
.main-nav a::after{
  content:''; position:absolute; left:0; right:0; bottom:-6px; height:2px;
  background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
}
.main-nav a:hover::after{ transform: scaleX(1); }
.header-actions{ display:flex; align-items:center; gap:18px; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; background:none; border:1px solid var(--border); border-radius: 8px;
}
.nav-toggle span{ display:block; height:2px; width:16px; margin:0 auto; background: var(--text); border-radius:2px; transition: transform .25s, opacity .25s; }
.nav-toggle.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero{
  position: relative;
  padding: 172px 0 0;
  overflow: hidden;
}
.hero-glow{ position:absolute; border-radius:50%; filter: blur(90px); pointer-events:none; }
.hero-glow-a{ width:560px; height:560px; background: radial-gradient(circle, var(--blue-glow), transparent 70%); top:-220px; right:-140px; }
.hero-glow-b{ width:420px; height:420px; background: radial-gradient(circle, rgba(242,184,75,0.18), transparent 70%); bottom:-160px; left:-120px; }

.hero-inner{
  position: relative; z-index: 2;
  display:grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items:center;
  padding-bottom: 100px;
}
.hero-title{
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.1;
  margin: 0 0 22px;
}
.hero-sub{
  color: var(--text-muted);
  font-size: 18px;
  max-width: 520px;
  margin-bottom: 34px;
}
.hero-actions{ display:flex; gap: 16px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-tags{ display:flex; gap:10px; flex-wrap:wrap; }
.hero-tags span{
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-muted);
  border: 1px solid var(--border); padding: 6px 13px; border-radius: 999px;
}

.hero-visual{ position:relative; }
.code-card{
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow:hidden;
  box-shadow: 0 30px 70px -30px rgba(0,0,0,0.7);
  transform: rotate(1.2deg);
}
.code-card-head{
  display:flex; align-items:center; gap:8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-soft);
}
.dot{ width:9px; height:9px; border-radius:50%; }
.dot-r{ background:#ff5f57; } .dot-y{ background:#febc2e; } .dot-g{ background:#28c840; }
.code-card-title{ margin-left:8px; font-family: var(--font-mono); font-size:12px; color: var(--text-dim); }
.code-card-body{
  margin:0; padding: 24px 22px 28px;
  font-family: var(--font-mono); font-size: 13.5px; line-height: 1.9;
  color: #b7c2da; white-space: pre-wrap; word-break: break-word;
}
.tok-key{ color: #7fb3ff; }
.tok-str{ color: var(--gold); }
.tok-fn{ color: #8fe3b0; }
.tok-blink{ animation: blink 1s step-end infinite; color: var(--blue-bright); }
@keyframes blink{ 50%{ opacity:0; } }

.float-chip{
  position:absolute;
  font-family: var(--font-mono); font-size: 12.5px; font-weight:600;
  background: rgba(10,15,28,0.9);
  border: 1px solid var(--border);
  padding: 10px 16px; border-radius: 999px;
  box-shadow: 0 14px 30px -14px rgba(0,0,0,0.6);
  animation: floaty 5s ease-in-out infinite;
}
.chip-a{ top: -18px; right: 10%; animation-delay: .2s; }
.chip-b{ bottom: -16px; left: 6%; animation-delay: 1.1s; }
@keyframes floaty{ 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-10px);} }

/* ---------- sections ---------- */
.section{ padding: 118px 0; position: relative; }
.section-alt{ background: var(--bg-alt); }

.grid{ display:grid; gap: 24px; margin-top: 52px; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }

.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.card:hover{ transform: translateY(-6px); border-color: rgba(74,141,255,0.4); background: var(--surface-2); }

.service-icon{
  width: 46px; height:46px; border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, rgba(44,111,224,0.22), rgba(44,111,224,0.05));
  color: var(--blue-bright);
  margin-bottom: 20px;
}
.service-icon svg{ width:22px; height:22px; }
.service-card h3{ font-size: 19px; margin-bottom: 10px; }
.service-card p{ color: var(--text-muted); font-size: 15px; }

/* why us */
.why-grid{ display:grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items:start; }
.why-list{ margin-top: 40px; display:flex; flex-direction:column; gap: 26px; }
.why-item{ display:flex; gap: 20px; }
.why-num{
  font-family: var(--font-mono); font-size: 14px; color: var(--gold);
  border: 1px solid var(--border); border-radius: 8px;
  height: 34px; min-width: 34px; display:flex; align-items:center; justify-content:center;
}
.why-item h4{ font-size: 16.5px; margin-bottom: 6px; }
.why-item p{ color: var(--text-muted); font-size: 14.5px; }

.stats-panel{
  background: linear-gradient(160deg, rgba(44,111,224,0.14), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display:grid; grid-template-columns: 1fr 1fr; gap: 30px;
}
.stat-num{ font-family: var(--font-display); font-size: 38px; display:block; color: var(--text); }
.stat-label{ color: var(--text-muted); font-size: 13.5px; line-height:1.5; display:block; margin-top:6px; }

/* process */
.process-line{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: 56px; position: relative;
}
.process-line::before{
  content:''; position:absolute; top: 18px; left: 4%; right: 4%; height:1px;
  background: linear-gradient(90deg, transparent, var(--border) 15%, var(--border) 85%, transparent);
}
.process-step{ position:relative; padding-top: 8px; }
.process-index{
  display:inline-flex; align-items:center; justify-content:center;
  width:38px; height:38px; border-radius:50%;
  background: var(--bg); border: 1px solid var(--blue-bright); color: var(--blue-bright);
  font-family: var(--font-mono); font-size: 13px; margin-bottom: 20px; position:relative; z-index:2;
}
.process-step h3{ font-size: 18px; margin-bottom: 8px; }
.process-step p{ color: var(--text-muted); font-size: 14.5px; }

/* founders */
.founders-grid{ gap: 28px; }
.founder-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  display:flex; gap: 26px;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.founder-card:hover{ transform: translateY(-4px); border-color: rgba(74,141,255,0.4); }
.founder-photo{
  width: 108px; height:108px; border-radius: 18px; overflow:hidden; flex-shrink:0;
  border: 1px solid var(--border);
}
.founder-photo img{ width:100%; height:100%; object-fit:cover; }
.founder-info h3{ font-size: 20px; margin-bottom: 4px; }
.founder-role{ font-family: var(--font-mono); font-size: 12.5px; color: var(--gold); margin-bottom: 14px; }
.founder-bio{ color: var(--text-muted); font-size: 14.5px; margin-bottom: 16px; }
.linkedin-link{ display:inline-flex; align-items:center; gap:8px; font-size: 13.5px; font-weight:700; color: var(--blue-bright); }
.linkedin-link svg{ width:16px; height:16px; }
.linkedin-link:hover{ color: var(--text); }

/* contact */
.contact-grid{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; margin-top: 52px; align-items:start; }
.contact-form-wrap{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
}
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field{ margin-bottom: 18px; }
.form-field label{ display:block; font-size: 13.5px; font-weight:600; color: var(--text-muted); margin-bottom: 8px; }
.form-field input, .form-field select, .form-field textarea{
  width:100%; background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px; color: var(--text); font-size: 14.5px;
  transition: border-color .2s;
}
.form-field select option{
  background: var(--bg-alt);
  color: var(--text);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none; border-color: var(--blue-bright);
}
.form-field textarea{ resize: vertical; min-height: 96px; }
.hp-field{ position:absolute; left:-9999px; opacity:0; height:0; width:0; }
.recaptcha-box{ margin: 4px 0 18px; }
.recaptcha-box:empty{ margin: 0; }
.form-status{ margin-top: 14px; font-size: 14px; min-height: 20px; }
.form-status.ok{ color: #7fe0a3; }
.form-status.err{ color: #ff8a8a; }

.contact-side{ display:flex; flex-direction:column; gap: 24px; }
.calendly-wrap{
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px 18px 6px;
}
.calendly-wrap h3{ font-size: 16px; padding: 0 8px; margin-bottom: 4px; }
.contact-info{
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px;
  display:flex; flex-direction:column; gap: 18px;
}
.info-label{ display:block; font-family: var(--font-mono); font-size: 11.5px; text-transform:uppercase; letter-spacing:.08em; color: var(--text-dim); margin-bottom: 4px; }
.info-item a{ font-weight:700; color: var(--blue-bright); }
.info-item a:hover{ color: var(--text); }
.info-item span{ color: var(--text-muted); font-size: 14.5px; }

/* footer */
.site-footer{ background: var(--bg-alt); border-top: 1px solid var(--border-soft); padding: 56px 0 32px; }
.footer-inner{ display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 30px; align-items:start; }
.footer-brand p{ color: var(--text-dim); font-size: 14px; margin-top: 14px; max-width: 280px; }
.footer-nav{ display:flex; flex-direction:column; gap: 12px; }
.footer-nav a{ color: var(--text-muted); font-size: 14.5px; }
.footer-nav a:hover{ color: var(--text); }
.footer-meta{ text-align:right; color: var(--text-dim); font-size: 13.5px; }

/* ---------- reveal animation ---------- */
[data-reveal]{ opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].is-visible{ opacity:1; transform: translateY(0); }
[data-reveal-delay="1"]{ transition-delay: .1s; }
[data-reveal-delay="2"]{ transition-delay: .2s; }
[data-reveal-delay="3"]{ transition-delay: .3s; }

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; padding-bottom: 60px; }
  .hero{ padding-top: 140px; }
  .why-grid{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; text-align:left; gap: 26px; }
  .footer-meta{ text-align:left; }
  .process-line{ grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .process-line::before{ display:none; }
}
@media (max-width: 720px){
  .main-nav{
    position: fixed; top: 68px; left: 16px; right: 16px;
    background: rgba(9,13,24,0.97); border: 1px solid var(--border);
    border-radius: var(--radius-md);
    flex-direction: column; align-items: stretch; gap:0;
    padding: 10px; opacity:0; visibility:hidden; transform: translateY(-8px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }
  .main-nav.is-open{ opacity:1; visibility:visible; transform: translateY(0); }
  .main-nav a{ padding: 13px 14px; border-radius: 8px; }
  .main-nav a:hover{ background: rgba(255,255,255,0.04); }
  .header-actions .btn-sm{ display:none; }
  .nav-toggle{ display:flex; }
  .grid-3, .grid-2{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .founder-card{ flex-direction:column; }
  .process-line{ grid-template-columns: 1fr; }
  .section{ padding: 84px 0; }
}