/* GÜNCEL TEMA: Temiz, Profesyonel ve Güvenilir Görünüm */
:root {
    --bg: #ffffff;
    /* Beyaz Zemin */
    --muted: #6b7280;
    /* Gri Metin */
    --accent: #059669;
    /* Canlı Yeşil/Teal Vurgu */
    --accent-dark: #047857;
    --text: #1f2937;
    /* Koyu Metin */
    --card: #f9fafb;
    /* Açık Gri Kart Arka Planı */
    --border: #e5e7eb;
    /* İnce Kenarlık */
    --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.05);
}

* {
    box-sizing: border-box
}

html,
body {
    height: 100%;
    margin: 0;
    font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    color: var(--text);
    background: var(--bg)
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px
}

/* Header ve Navigasyon */
header {
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 30
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px
}

.logo {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700
}

.navlinks {
    display: flex;
    gap: 24px;
    align-items: center
}

.navlinks a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    padding: 4px 0;
    transition: color .2s
}

.navlinks a:hover {
    color: var(--accent)
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 48px;
    align-items: center;
    padding: 60px 0
}

.hero-content h1 {
    font-size: 42px;
    margin: 0 0 12px;
    color: var(--text);
    line-height: 1.2
}

.hero-content p {
    font-size: 18px;
    margin: 0 0 24px;
    color: var(--muted)
}

/* Kartlar ve Genel Öğeler */
.card {
    background: var(--card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border)
}

.card p {
    color: var(--muted)
}

.cta {
    display: flex;
    gap: 12px;
    margin-top: 12px
}

.btn {
    padding: 12px 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: white;
    cursor: pointer;
    font-weight: 500;
    text-decoration: none;
    transition: background .2s, border-color .2s
}

.btn:hover {
    background: var(--card);
    border-color: #d1d5db;
}

.btn.primary {
    background: var(--accent);
    color: white;
    border: none
}

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

.section {
    padding: 48px 0
}

.h1 {
    font-size: 28px;
    margin: 0 0 8px
}

.h2 {
    font-size: 20px;
    margin: 0 0 6px;
    color: var(--muted)
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.service {
    padding: 24px;
    border-radius: 12px;
    background: var(--card);
    border: 1px solid var(--border);
    transition: box-shadow .2s
}

.service:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    margin-top: 36px;
    color: var(--muted)
}

/* İletişim Formu Öğeleri */
.form-field {
    width: 100%;
    padding: 10px;
    margin: 6px 0 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: border-color .2s;
    font-size: 16px;
    font-family: inherit;
}

.form-field:focus {
    border-color: var(--accent);
    outline: none;
}

/* Galeri */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px
}

.gallery img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    transition: transform .2s, box-shadow .2s;
    border: 1px solid var(--border)
}

.gallery img:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1)
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 60;
    visibility: hidden;
    opacity: 0;
    transition: opacity .3s
}

.lightbox.show {
    visibility: visible;
    opacity: 1
}

.lightbox img {
    max-width: 95%;
    max-height: 85%;
    border-radius: 10px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6)
}

.lightbox .caption {
    color: white;
    margin-top: 12px;
    font-size: 18px
}