@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;900&family=Roboto+Mono:wght@400;500;700&family=Public+Sans:wght@400;500;600&display=swap');

:root {
  /* Colors */
  --surface: #f8f9fa;
  --surface-dim: #d0daf0;
  --surface-bright: #f8f9fa;
  --on-surface: #121c2c;
  
  --primary: #061b0e;
  --on-primary: #ffffff;
  
  --background: #f8f9fa;
  --on-background: #121c2c;
  
  /* Brand Specific */
  --tactical-green: #1B3022;
  --muted-gold: #E54826; /* Endüstriyel Taktiksel Turuncu-Kırmızı */
  
  /* Spacing */
  --section-padding: 96px;
  --container-max: 1440px;
  
  /* Typography */
  --font-h-family: 'Inter', sans-serif;
  --font-body-family: 'Public Sans', sans-serif;
  --font-mono-family: 'Roboto Mono', monospace;
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; 
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body-family);
  background-color: var(--background);
  color: var(--on-background);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background-color: var(--tactical-green);
  color: white;
}

/* Typography Utilities */
.h1, .h2, .h3 {
  font-family: var(--font-h-family);
  color: var(--tactical-green);
}

.h1 {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
}

.h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.h3 {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
}

.label-caps {
  font-family: var(--font-h-family);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.mono-data {
  font-family: var(--font-mono-family);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.05em;
}

/* Color Utilities */
.text-white { color: #ffffff; }
.text-white-80 { color: rgba(255, 255, 255, 0.8); }
.text-white-60 { color: rgba(255, 255, 255, 0.6); }
.text-white-50 { color: rgba(255, 255, 255, 0.5); }
.text-white-40 { color: rgba(255, 255, 255, 0.4); }
.text-green { color: var(--tactical-green); }
.text-green-80 { color: rgba(27, 48, 34, 0.8); }
.text-green-60 { color: rgba(27, 48, 34, 0.6); }
.text-green-40 { color: rgba(27, 48, 34, 0.4); }
.text-green-30 { color: rgba(27, 48, 34, 0.3); }
.text-gold { color: var(--muted-gold); }

.bg-white { background-color: #ffffff; }
.bg-surface { background-color: var(--surface); }
.bg-green { background-color: var(--tactical-green); }
.bg-gold { background-color: var(--muted-gold); }
.bg-dark { background-color: #000000; }

/* Layout Utilities */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 1024px) { .container { padding: 0 40px; } }

.section { padding: var(--section-padding) 0; position: relative; }
@media (max-width: 767px) {
  .section { padding: 56px 0; }
}

.flex-between { display: flex; justify-content: space-between; }
.flex-align-center { display: flex; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-column { display: flex; flex-direction: column; }
.align-end { align-items: flex-end; }
.justify-center { justify-content: center; }

.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.pb-4 { padding-bottom: 16px; }

.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-4xl { max-width: 896px; }
.max-w-xl { max-width: 576px; }
.font-medium { font-weight: 500; }
.font-sm { font-size: 14px; }
.block { display: block; }
.text-center { text-align: center; }
.relative { position: relative; }
.absolute-fill { position: absolute; top: 0; left: 0; right: 0; bottom: 0; }
.z-10 { z-index: 10; }

.border-bottom-blueprint { border-bottom: 1px solid rgba(27, 48, 34, 0.15); }
.border-bottom-blueprint-dark { border-bottom: 1px solid rgba(255, 255, 255, 0.15); }
.border-bottom-green { border-bottom: 2px solid var(--tactical-green); }
.border-none { border: none !important; }

/* Blueprint Backgrounds */
.blueprint-bg {
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.blueprint-bg-light {
  background-image: 
    linear-gradient(rgba(27, 48, 34, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 48, 34, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Animations Utilities */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.fade-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in-left.visible { opacity: 1; transform: translateX(0); }

.fade-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in-right.visible { opacity: 1; transform: translateX(0); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 32px; font-family: var(--font-h-family); font-size: 11px;
  font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: all 0.3s ease;
}
.btn-primary { background-color: var(--tactical-green); color: white; border-color: var(--tactical-green); }
.btn-primary:hover { background-color: transparent; color: var(--tactical-green); }
.btn-outline-white { background-color: transparent; color: white; border-color: white; }
.btn-outline-white:hover { background-color: white; color: var(--tactical-green); }
.btn-outline-gold { background-color: transparent; color: var(--muted-gold); border-color: var(--muted-gold); }
.btn-outline-gold:hover { background-color: var(--muted-gold); color: white; }

.hover-white:hover { background-color: white !important; color: var(--tactical-green) !important; }
.hover-gold:hover { color: var(--muted-gold) !important; }

.btn-text-link {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-h-family);
  font-size: 12px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase;
  text-decoration: none; color: var(--tactical-green); border-bottom: 1px solid var(--tactical-green);
  padding-bottom: 4px; transition: all 0.3s ease;
}
.btn-text-link:hover { color: var(--muted-gold); border-color: var(--muted-gold); }

/* Icons */
.icon-sm { font-size: 16px; }
.icon-lg { font-size: 40px; }

/* Footer: .fade-* varsayimi opacity:0; app.js 404/engellenirse alt bilgi yine okunur olsun */
footer .footer-col.fade-in-left,
footer .footer-col.fade-in-right,
footer .footer-col.fade-up {
  opacity: 1;
  transform: none;
  transition: none;
}
footer .footer-bottom {
  opacity: 1;
  transform: none;
}