/* Genel Sıfırlamalar ve Body Stili */
body {
  font-family: 'Outfit', sans-serif;
  background-color: #f7f8fc;
  color: #333;
  margin: 0;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background-color: #fff;
  padding: 10px 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e3a8a; /* Blue-900 */
    text-decoration: none;
}

.logo img {
    height: 50px;
}

.nav-left {
  display: flex;
  gap: 25px;
}

.nav-link {
  color: #4a5568; /* Gray-700 */
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #2563eb; /* Blue-600 */
}

.header-socials {
  display: flex;
  align-items: center;
  gap: 15px;
}

.header-socials a img {
    width: 28px;
    height: 28px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.header-socials a:hover img {
    opacity: 1;
}

.hamburger {
    display: none;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
}

/* Main Content */
.main-content {
  padding: 50px 20px;
  text-align: center;
}

.title-card {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: white;
    padding: 15px 30px;
    border-radius: 12px;
    display: inline-block;
    margin-bottom: 40px;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.title-card h3 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.login-card {
    background-color: #fff;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 40px;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.card-inner {
  display: flex;
  align-items: center;
  gap: 40px;
}

.card-text {
  flex: 1;
  text-align: left;
}

.card-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1f2937; /* Gray-800 */
    margin-bottom: 25px;
    text-align: center;
}

.buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.btn {
    display: block;
    padding: 15px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.btn-green { background-color: #16a34a; color: white; border-color: #16a34a; }
.btn-green:hover { background-color: #15803d; border-color: #15803d; transform: translateY(-2px); }

.btn-yellow { background-color: #facc15; color: #422006; border-color: #facc15; }
.btn-yellow:hover { background-color: #eab308; border-color: #eab308; transform: translateY(-2px); }

.btn-dark { background-color: #1f2937; color: white; border-color: #1f2937; }
.btn-dark:hover { background-color: #111827; border-color: #111827; transform: translateY(-2px); }

.subtitle {
    margin-top: 25px;
    color: #4b5563; /* Gray-600 */
    font-size: 1rem;
    text-align: center;
}

.card-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

/* Features Section */
.features-section {
    padding: 80px 20px;
}

.features-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.features-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #4b5563;
    max-width: 600px;
    margin: 0 auto 50px auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.feature-name {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1e3a8a;
}

.feature-description {
    font-size: 1rem;
    color: #4b5563;
}

/* Footer */
.footer {
    background-color: #1f2937; /* Gray-800 */
    color: #d1d5db; /* Gray-300 */
    padding: 30px 0;
    margin-top: 50px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer a {
    color: #facc15; /* Yellow-400 */
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #fff;
}

/* Responsive */
@media (max-width: 900px) {
    .card-inner {
        flex-direction: column;
        text-align: center;
    }
    .card-text {
        text-align: center;
    }
    .card-title {
        margin-left: 0;
    }
    .card-image img {
        max-width: 280px;
    }
}

@media (max-width: 768px) {
    .nav-left { display: none; }
    .header-socials { display: none; }
    .hamburger { display: block; }

    .nav-left.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        background: white;
        width: 100%;
        padding: 20px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}