/* ===== Global ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
  
  transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;


}

body {
  background: var(--bg-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: background 0.4s, color 0.4s;
}


/* ===== Navbar ===== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 60px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;



  /* ===== Logo Styles ===== */
.logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  transition: transform 0.3s ease;
}


.logo-img:hover {
  transform: scale(1.05);
}

.logo-text {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-color);
  letter-spacing: 0.05em;
}

}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 28px;
}

nav a {
  color: #bbb;
  text-decoration: none;
  transition: 0.3s;
  font-weight: 500;
}

nav a:hover, nav a.active {
  color: #00b4d8;
}

/* ===== Content Area ===== */
main {
  flex: 1;
  padding: 80px 100px;
  animation: fadeIn 0.6s ease;
}

section {
  max-width: 900px;
  margin: auto;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: #00b4d8;
}

hh2 {
  font-size: 1.3rem;
  color: var(--text-color);
  margin-bottom: 10px;
  opacity: 0.9;
}

p {
  line-height: 1.7;
  color: var(--text-color);
  opacity: 0.8; /* light modda yumuşak gri, dark modda açık gri olur */
}

/* ===== Cards ===== */
.card {
  background: #141414;
  padding: 20px;
  border-left: 3px solid #00b4d8;
  border-radius: 6px;
  margin-bottom: 18px;
  transition: transform 0.3s;
}

.card:hover {
  transform: translateX(6px);
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  margin-top: 20px;
  background: #00b4d8;
  color: #fff;
  padding: 10px 22px;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.3s;
}

.btn:hover {
  background: #0089b4;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid #1c1c1c;
  color: #888;
  font-size: 0.9rem;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    padding: 20px 40px;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  main {
    padding: 60px 30px;
  }
}

/* ===== Theme Colors ===== */
:root {
  --bg-color: #0a0a0a;
  --text-color: #e5e5e5;
  --card-bg: #141414;
  --accent: #00b4d8;
  --border-color: #1c1c1c;
}

.light-mode {
  --bg-color: #f9f9f9;
  --text-color: #1a1a1a;
  --card-bg: #ffffff;
  --accent: #0077b6;
  --border-color: #d6d6d6;
}


/* Apply variables */
body {
  background: var(--bg-color);
  color: var(--text-color);
  transition: background 0.4s, color 0.4s;
}

.card {
  background: var(--card-bg);
  border-left: 3px solid var(--accent);
}

nav a:hover,
nav a.active {
  color: var(--accent);
}

.btn {
  background: var(--accent);
}

footer {
  border-top: 1px solid var(--border-color);
}

/* ===== Theme Toggle Button ===== */
.theme-toggle {
  cursor: pointer;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: transparent;
  transition: background 0.3s, transform 0.3s;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: rotate(8deg);
}

.theme-toggle span {
  opacity: 0.5;
  transition: opacity 0.3s;
}

body.light-mode .theme-toggle .sun {
  opacity: 1;
}

body:not(.light-mode) .theme-toggle .moon {
  opacity: 1;
}