/* Фирма ранглари ва умумий созламалар */
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #F8F9FA;
    color: #333333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Шапка (Header) */
header {
    background-color: #0A192F;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: #FFFFFF;
    font-size: 24px;
    font-weight: bold;
}

.logo span {
    color: #00B4D8;
}

nav a {
    color: #FFFFFF;
    text-decoration: none;
    margin-left: 20px;
    font-size: 16px;
    transition: color 0.3s;
}

nav a:hover {
    color: #00B4D8;
}

/* Бош баннер (Hero) */
.hero {
    background-color: #0A192F;
    color: #FFFFFF;
    text-align: center;
    padding: 100px 0;
    border-bottom: 5px solid #00B4D8;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    color: #A8B2D1;
    margin-bottom: 30px;
}

.btn {
    background-color: #00B4D8;
    color: #0A192F;
    padding: 12px 30px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 6px;
    font-size: 16px;
    transition: background 0.3s;
}

.btn:hover {
    background-color: #2ECC71;
}

/* Калкулятор бўлими */
.calculator-section {
    padding: 60px 0;
}

.calculator-box {
    background-color: #0A192F;
    color: #FFFFFF;
    max-width: 500px;
    margin: 0 auto;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.calculator-box h2 {
    text-align: center;
    color: #00B4D8;
    margin-bottom: 25px;
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #00B4D8;
    background-color: #172A45;
    color: #FFFFFF;
    font-size: 16px;
    box-sizing: border-box;
}

.btn-calc {
    width: 100%;
    padding: 12px;
    background-color: #00B4D8;
    color: #0A192F;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    margin-top: 10px;
}

.btn-calc:hover {
    background-color: #2ECC71;
}

.result-box {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #172A45;
}

.result-box p {
    margin: 10px 0;
    font-size: 16px;
}

.result-box span {
    color: #2ECC71;
    font-weight: bold;
    font-size: 18px;
}

.result-box .red-text {
    color: #FF4D4D;
}

/* Блог бўлими */
.blog-section {
    padding: 60px 0;
    background-color: #FFFFFF;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
    color: #0A192F;
}

.blog-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.blog-card {
    background-color: #F8F9FA;
    padding: 25px;
    border-radius: 8px;
    flex: 1;
    min-width: 280px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.blog-card h3 {
    color: #0A192F;
    margin-top: 0;
}

.blog-card p {
    color: #666666;
    line-height: 1.6;
}

.read-more {
    color: #00B4D8;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin-top: 10px;
}

/* Подвал */
footer {
    background-color: #0A192F;
    color: #A8B2D1;
    text-align: center;
    padding: 20px 0;
    font-size: 14px;
}