/* Projera Light — Shared Design System */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --c-bg:#ffffff;--c-bg-alt:#f6f9ff;--c-bg-deep:#eef3ff;
  --c-navy:#0a1628;--c-navy-mid:#1e3a5f;
  --c-text:#1a2f4e;--c-sub:#4a6080;--c-muted:#7a90ab;
  --c-border:rgba(10,22,40,0.09);
  --c-cyan:#0284c7;--c-cyan-l:#38bdf8;--c-cyan-bg:rgba(2,132,199,0.08);
  --c-magenta:#c026d3;--c-magenta-bg:rgba(192,38,211,0.08);
  --c-violet:#7c3aed;--c-violet-bg:rgba(124,58,237,0.08);
  --shadow-sm:0 1px 8px rgba(10,22,40,0.06);
  --shadow-md:0 4px 20px rgba(10,22,40,0.10);
  --shadow-lg:0 12px 40px rgba(10,22,40,0.14);
  --r-md:12px;--r-lg:20px;--r-xl:28px;
}
html{scroll-behavior:smooth;overflow-x:hidden;max-width:100%}
body{font-family:'Inter',sans-serif;background:var(--c-bg);color:var(--c-text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;max-width:100%}
.container{max-width:1160px;margin-inline:auto;padding-inline:40px}
@media(max-width:768px){.container{padding-inline:20px}}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;color:var(--c-navy);line-height:1.15}
h1{font-size:clamp(32px,5vw,60px);font-weight:800;letter-spacing:-0.03em}
h2{font-size:clamp(26px,3.5vw,42px);font-weight:700;letter-spacing:-0.02em}
h3{font-size:clamp(18px,2.5vw,24px);font-weight:600}
p{color:var(--c-sub);font-size:16px}
a{color:var(--c-cyan);text-decoration:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:'Space Grotesk',sans-serif;font-size:11px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:var(--c-cyan);background:var(--c-cyan-bg);border:1px solid rgba(2,132,199,0.2);padding:5px 12px;border-radius:100px;margin-bottom:20px}
.eyebrow::before{content:'—';opacity:0.6}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:'Space Grotesk',sans-serif;font-size:15px;font-weight:600;padding:14px 28px;border-radius:100px;text-decoration:none;border:none;cursor:pointer;transition:all 0.2s ease}
.btn-primary{background:var(--c-navy);color:#fff;box-shadow:0 4px 14px rgba(10,22,40,0.25)}
.btn-primary:hover{background:var(--c-navy-mid);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-outline{background:transparent;color:var(--c-navy);border:1.5px solid var(--c-border)}
.btn-outline:hover{border-color:var(--c-navy);background:var(--c-bg-alt)}
.btn-cyan{background:var(--c-cyan);color:#fff;box-shadow:0 4px 14px rgba(2,132,199,0.3)}
.btn-cyan:hover{background:#0369a1;transform:translateY(-2px)}
/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,0.93);backdrop-filter:blur(20px);border-bottom:1px solid var(--c-border);height:68px;display:flex;align-items:center}
.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1160px;margin-inline:auto;padding-inline:40px}
.header-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.header-logo__mark{width:36px;height:36px;border-radius:8px;background:linear-gradient(135deg,var(--c-cyan),var(--c-magenta));display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk',sans-serif;font-size:18px;font-weight:800;color:#fff}
.header-logo__text{font-family:'Space Grotesk',sans-serif;font-size:18px;font-weight:700;color:var(--c-navy)}
.header-nav{display:flex;align-items:center;gap:36px;list-style:none}
.header-nav a{font-family:'Space Grotesk',sans-serif;font-size:14px;font-weight:500;color:var(--c-sub);text-decoration:none;transition:color 0.2s}
.header-nav a:hover,.header-nav a.active{color:var(--c-navy)}
.header-actions{display:flex;align-items:center;gap:12px}
/* ── Mobile menu ── */
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:101}
.mobile-menu-btn__line{display:block;width:22px;height:2px;background:var(--c-navy);border-radius:2px;transition:all 0.25s}
.mobile-menu-btn.is-open .mobile-menu-btn__line:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.mobile-menu-btn.is-open .mobile-menu-btn__line:nth-child(2){opacity:0}
.mobile-menu-btn.is-open .mobile-menu-btn__line:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-nav{display:none;position:fixed;top:96px;left:0;right:0;bottom:0;background:#fff;z-index:99;padding:24px;overflow-y:auto;flex-direction:column;gap:4px}
.mobile-nav.is-open{display:flex}
.mobile-nav a{font-family:'Space Grotesk',sans-serif;font-size:18px;font-weight:600;color:var(--c-navy);text-decoration:none;padding:12px 0;border-bottom:1px solid rgba(10,22,40,0.09)}
.mobile-nav a:hover{color:var(--c-cyan)}
.mobile-nav .mobile-nav__cta{margin-top:16px;background:var(--c-cyan);color:#fff;text-align:center;border-radius:100px;border-bottom:none;padding:14px 0;font-size:16px}
@media(max-width:900px){.header-nav,.header-actions{display:none}.mobile-menu-btn{display:flex}}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
/* Page hero (inner pages) */
.page-hero{padding:140px 0 80px;background:linear-gradient(145deg,#fff 0%,#f0f7ff 50%,#f5f0ff 100%)}
.page-hero__eyebrow{margin-bottom:16px}
.page-hero__title{margin-bottom:20px}
.page-hero__subtitle{font-size:20px;max-width:60ch;line-height:1.65}

/* ═══════════ MOBİL RESPONSIVE ═══════════ */
@media(max-width:900px){
  .grid-2 { grid-template-columns: 1fr !important; }
  .grid-3 { grid-template-columns: 1fr 1fr !important; }
  .grid-4 { grid-template-columns: 1fr 1fr !important; }
  .page-hero { padding: 110px 0 60px; }
  .page-hero__subtitle { font-size: 17px; }
  .section-pad { padding: 70px 0; }
  /* Ekosistem büyük satır kartları */
  [style*="grid-template-columns:1fr 2fr"] { grid-template-columns: 1fr !important; gap: 32px !important; }
  /* İletişim formu */
  [style*="grid-template-columns:1fr 1fr"]:not(.site-header *) { grid-template-columns: 1fr !important; }
  /* Referanslar 6'lı metrik */
  [style*="repeat(6,1fr)"] { grid-template-columns: repeat(3,1fr) !important; }
  /* Form satırı */
  .form-row { grid-template-columns: 1fr !important; }
  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr !important; }
  h2 { font-size: clamp(22px,4vw,36px); }
}
@media(max-width:600px){
  .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr !important; }
  [style*="repeat(6,1fr)"] { grid-template-columns: repeat(2,1fr) !important; }
  [style*="grid-template-columns:1fr 2fr"] { grid-template-columns: 1fr !important; }
  .footer-grid { grid-template-columns: 1fr !important; }
  .container { padding-inline: 16px; }
  h1 { font-size: clamp(28px,7vw,40px); }
}