:root {
    --glacier: #72a3bf;
    --harbor: #1d4052;
    --marine: #446e87;
    --depth: #030f18;
    --frost: #f4f8f7;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--frost);
    color: var(--depth);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

/* Header & Nav */
header {
    background-color: var(--depth);
    padding: 1.2rem 0;
    box-shadow: 0 4px 20px rgba(3, 15, 24, 0.15);
    border-bottom: 1px solid rgba(114, 163, 191, 0.2);
}

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

.logo-link {
    display: inline-block;
    text-decoration: none;
}

.logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.03);
}

nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

nav a {
    color: #c2d6e0;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

nav a:hover {
    color: var(--white);
    background-color: rgba(114, 163, 191, 0.15);
}

nav a.active {
    color: var(--glacier);
    font-weight: 600;
    background-color: rgba(114, 163, 191, 0.12);
}

/* Content Area - Düzgün Alt Alta Sıralama */
main {
    flex: 1;
    padding: 3rem 0;
}

.page-title {
    color: var(--depth);
    border-bottom: 3px solid var(--glacier);
    padding-bottom: 12px;
    margin-bottom: 2rem;
    font-size: 2.2rem;
    font-weight: 700;
    width: 100%;
}

/* Kutuların Alt Alta ve Tam Genişlikte Olması */
.content-block {
    background-color: var(--white);
    padding: 2.2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(3, 15, 24, 0.05);
    margin-bottom: 2rem;
    border: 1px solid rgba(68, 110, 135, 0.15);
    width: 100%; /* Ekranı yataylamasına tam kaplar */
}

.content-block h2 {
    color: var(--harbor);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.content-block p {
    line-height: 1.7;
    color: #334155;
    margin-bottom: 1rem;
}

.content-block p:last-child {
    margin-bottom: 0;
}

/* Liste Stilleri */
.custom-list {
    margin: 1rem 0 1.5rem 1.5rem;
}

.custom-list li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
    color: #334155;
}

.bullet-list {
    list-style-type: disc;
}

/* Hero Section (Ana Sayfa) */
.hero-section {
    text-align: center;
    padding: 4rem 0;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--depth);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--marine);
    margin-bottom: 2.5rem;
}

.card-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.card {
    background: linear-gradient(135deg, var(--harbor) 0%, var(--depth) 100%);
    color: var(--white);
    padding: 0.9rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(114, 163, 191, 0.3);
    transition: all 0.3s ease;
}

.card:hover {
    background: var(--glacier);
    color: var(--depth);
    transform: translateY(-2px);
}

/* Footer */
footer {
    background-color: var(--depth);
    color: #94a3b8;
    padding: 1.8rem 0;
    margin-top: auto;
    border-top: 1px solid rgba(114, 163, 191, 0.15);
    font-size: 0.9rem;
}

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

.social-links a {
    color: #c2d6e0;
    text-decoration: none;
}

.social-links a:hover {
    color: var(--glacier);
}