/* =====================
   RESET & BASE
===================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
    background-color: #f5f7fa;
    color: #1f2937;
    line-height: 1.7;
    font-size: 16px;
}

/* =====================
   LAYOUT
===================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 16px;
}

/* =====================
   HEADER & NAV
===================== */
header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 16px;
    display: flex;
    gap: 24px;
}

nav a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
}

nav a:hover {
    color: #2563eb;
}

/* =====================
   TYPOGRAPHY
===================== */
h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

h2 {
    font-size: 1.4rem;
    margin: 32px 0 12px;
}

p {
    margin-bottom: 16px;
    color: #374151;
}

/* =====================
   INFO BOX (Özet alan)
===================== */
ul {
    list-style: none;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 16px 20px;
    margin: 24px 0;
}

ul li {
    padding: 6px 0;
    font-weight: 500;
}

/* =====================
   TABLE (ANA VERİ)
===================== */
table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    margin: 24px 0;
}

thead {
    background: #2563eb;
    color: #ffffff;
}

th, td {
    padding: 14px 12px;
    text-align: left;
    font-size: 0.95rem;
}

th {
    font-weight: 600;
}

tbody tr {
    border-bottom: 1px solid #e5e7eb;
}

tbody tr:last-child {
    border-bottom: none;
}

tbody tr:hover {
    background-color: #f1f5f9;
}

/* =====================
   LINKS
===================== */
a {
    color: #2563eb;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* =====================
   FOOTER
===================== */
footer {
    margin-top: 60px;
    padding: 24px 16px;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    text-align: center;
    font-size: 0.9rem;
    color: #6b7280;
}

/* =====================
   RESPONSIVE
===================== */
@media (max-width: 768px) {

    h1 {
        font-size: 1.6rem;
    }

    nav {
        flex-wrap: wrap;
        gap: 12px;
    }

    table {
        font-size: 0.85rem;
    }

    th, td {
        padding: 10px 8px;
    }
}