* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f7f9fa;
}

h1, h2, h3, h4, h5 {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-weight: 700;
  color: #123c52;
}

header {
  background: #123c52;
  color: #ffffff;
  padding: 20px 0;
}

.site-title a {
  color: #ffffff;
  font-size: 1.6rem;
  text-decoration: none;
  font-weight: 700;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  justify-content: flex-end;
  align-items: center;
}

nav a {
  color: #ffffff;
  text-decoration: none;
  padding: 10px 15px;
  border-radius: 4px;
  transition: background 0.3s ease;
  font-weight: 500;
}

nav a:hover {
  background: rgba(255, 255, 255, 0.2);
}

nav a.active {
  background: rgba(255, 255, 255, 0.3);
}

.hero {
  position: relative;
  height: 60vh;
  overflow: hidden;
}

.hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #ffffff;
  text-align: center;
  padding: 0 20px;
}

.hero .overlay h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero .overlay p {
  font-size: 1.1rem;
  max-width: 700px;
  margin-bottom: 1.5rem;
}

.button {
  display: inline-block;
  padding: 12px 24px;
  background: #007bff;
  color: #ffffff;
  border-radius: 4px;
  text-decoration: none;
  margin: 10px 5px;
  transition: background 0.3s ease;
}

.button:hover {
  background: #0056b3;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
}

main {
  padding: 40px 0;
}

.card {
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin-bottom: 30px;
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  width: 100%;
  border-radius: 6px;
  margin-bottom: 15px;
}

footer {
  background: #123c52;
  color: #ffffff;
  padding: 20px 0;
  text-align: center;
  margin-top: 40px;
}

form input,
form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

form button {
  background: #007bff;
  color: #ffffff;
  border: none;
  padding: 12px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.3s ease;
}

form button:hover {
  background: #0056b3;
}

.footnotes {
  margin-top: 40px;
  font-size: 0.85rem;
  border-top: 1px solid #ddd;
  padding-top: 20px;
}

.footnotes ol {
  padding-left: 20px;
}

.footnotes li {
  margin-bottom: 10px;
}

.footnotes a {
  color: #007bff;
  text-decoration: underline;
}

@media (max-width: 768px) {
  .hero .overlay h1 {
    font-size: 2rem;
  }
  .hero .overlay p {
    font-size: 0.95rem;
  }
  nav ul {
    flex-direction: column;
    gap: 10px;
  }
}


/* === Premium UI Enhancements (KarbonKotası) === */

/* Typography */
:root{
  --kk-text:#0f172a;
  --kk-muted:#475569;
  --kk-bg:#f7f9fa;
  --kk-brand:#0b6bcb;
  --kk-brand-dark:#095aa8;
  --kk-card:#ffffff;
  --kk-border:rgba(15,23,42,.08);
}
body{
  color:var(--kk-text);
  background:var(--kk-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3{
  color:var(--kk-text);
  letter-spacing:.2px;
}
h1{font-weight:800; line-height:1.15}
h2{font-weight:700}
h3{font-weight:700}

/* Hero */
.hero{
  position:relative;
  overflow:hidden;
  max-height:620px;
}
.hero img{
  width:100%;
  height:420px;
  object-fit:cover;
  filter:contrast(1.05) saturate(1.05);
}
.hero .overlay{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:48px 20px;
  background:linear-gradient(180deg, rgba(2,6,23,.55) 0%, rgba(2,6,23,.35) 60%, rgba(2,6,23,.25) 100%);
  text-align:center;
}
.hero h1{
  color:#e5e7eb;
  text-shadow:0 1px 2px rgba(0,0,0,.6);
  margin-bottom:12px;
  font-size:clamp(28px, 5vw, 44px);
}
.hero p{
  color:#d1d5db;
  max-width:840px;
  margin:0 auto 18px;
  line-height:1.7;
  text-shadow:0 1px 2px rgba(0,0,0,.4);
}

/* Buttons */
.button, .btn {
  display:inline-block;
  background:var(--kk-brand);
  color:#fff !important;
  border:none;
  border-radius:999px;
  padding:12px 20px;
  font-weight:600;
  box-shadow:0 6px 18px rgba(11,107,203,.25);
  transform:translateY(0);
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
  margin:6px 8px;
}
.button:hover, .btn:hover{
  background:var(--kk-brand-dark);
  box-shadow:0 10px 24px rgba(11,107,203,.35);
  transform:translateY(-1px);
}
.button:active, .btn:active{ transform:translateY(0) }

/* Cards / Posts */
.cards, .posts, .articles-grid {
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:22px;
}
.card, .post-card, .article-card{
  background:var(--kk-card);
  border:1px solid var(--kk-border);
  border-radius:18px;
  padding:18px;
  box-shadow:0 2px 10px rgba(2,6,23,.04);
  transition:transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover, .post-card:hover, .article-card:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(2,6,23,.08);
  border-color:rgba(15,23,42,.12);
}

/* Section spacing */
.section, section{
  padding-block:36px;
}
.container{
  max-width:1100px;
  margin:0 auto;
  padding:0 20px;
}

/* Footer polish (works with existing footer) */
.site-footer{
  background:#0b1220;
}
.site-footer .footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
}

/* Responsive */
@media (max-width: 980px){
  .cards, .posts, .articles-grid { grid-template-columns:1fr 1fr; }
  .hero img{ height:360px; }
}
@media (max-width: 560px){
  .cards, .posts, .articles-grid { grid-template-columns:1fr; }
  .hero img{ height:300px; }
}



/* === Fonts & Card Badges (KarbonKotası) === */
body{ font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, 'Noto Sans', 'Helvetica Neue', sans-serif; }
h1,h2,h3{ font-family: 'Outfit', 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif; }

.badge{
  display:inline-block;
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.3px;
  text-transform:uppercase;
  background:rgba(11,107,203,.12);
  color:#0b6bcb;
  border:1px solid rgba(11,107,203,.25);
  padding:6px 10px;
  border-radius:999px;
  margin-bottom:10px;
}

.button .arrow{
  display:inline-block;
  margin-left:10px;
  transition:transform .15s ease;
}
.button:hover .arrow{ transform: translateX(3px); }



/* === Premium Hero (KarbonKotası) === */
.premium-hero{
  position:relative;
  max-height:none;
}
.premium-hero img{
  height:520px;
  filter:contrast(1.08) saturate(1.08) brightness(0.92);
}
.premium-hero .overlay{
  background:linear-gradient(180deg, rgba(2,6,23,.55) 0%, rgba(2,6,23,.35) 50%, rgba(2,6,23,.15) 100%);
  align-items:center;
  justify-content:center;
  padding-top:72px;
  padding-bottom:72px;
}
.hero-card{
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background:rgba(15,23,42,.35);
  border:1px solid rgba(255,255,255,.18);
  border-radius:24px;
  padding:26px 28px;
  box-shadow:0 20px 40px rgba(2,6,23,.25);
  max-width:900px;
}
.hero-card h1{ margin-top:2px; margin-bottom:10px; }
.hero-card p{ margin-bottom:14px; }