/* --- DEĞİŞKENLER --- */
:root {
    --bg-body: #ffffff; 
    --bg-light: #f8f9fa;
    --text-dark: #111827;
    --text-muted: #4b5563;
    --primary-dark: #0f172a;
    --accent: #10b981;
    --btn-bronze: #c49a8c; 
    --border-color: #e5e7eb;
    --radius-md: 12px;
    --radius-lg: 32px; 
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

/* --- SIFIRLAMA VE GENEL YAPI --- */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', system-ui, sans-serif; }
body { background-color: var(--bg-body); color: var(--text-dark); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
section { padding: 5rem 0; }

/* --- HEADER (ÜST MENÜ) --- */
header { background-color: var(--bg-body); padding: 1.5rem 0; position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--border-color); }
.header-inner { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 900; letter-spacing: -1px; display: flex; align-items: center; gap: 0.5rem; }
nav ul { display: flex; gap: 2rem; font-weight: 600; font-size: 0.95rem; }
nav a { transition: color 0.3s; }
nav a:hover { color: var(--btn-bronze); }
.header-actions { display: flex; gap: 1rem; align-items: center; }
.btn-dark { background: var(--primary-dark); color: white; padding: 0.5rem 1.5rem; border-radius: 50px; font-weight: 600; transition: opacity 0.3s; }
.btn-dark:hover { opacity: 0.9; }
.search-box { border: 1px solid var(--border-color); padding: 0.5rem 1rem; border-radius: 50px; color: var(--text-muted); cursor: pointer; }

/* --- HERO (KARŞILAMA ALANI) --- */
.hero { text-align: center; padding-top: 4rem; padding-bottom: 2rem; }
.hero-subtitle { font-size: 0.95rem; font-weight: 600; color: var(--text-muted); margin-bottom: 1rem; display: block; }
.hero-title-mega { font-size: 5rem; font-weight: 900; line-height: 0.9; text-transform: uppercase; margin-bottom: 1.5rem; letter-spacing: -2px; }
.hero-desc-center { max-width: 900px; margin: 0 auto; color: var(--text-muted); font-size: 1.1rem; }
.hero-image-wrapper { position: relative; margin-top: 3rem; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.hero-image-wrapper img { width: 100%; height: 450px; object-fit: cover; display: block; }
.cutout-shape { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 200px; height: 80px; background-color: var(--bg-body); border-radius: 0 0 100px 100px; display: flex; justify-content: center; align-items: center; z-index: 10; }
.btn-overlap { background: var(--btn-bronze); color: white; padding: 0.6rem 2rem; border-radius: 50px; font-weight: 600; transform: translateY(-10px); transition: all 0.3s; }
.btn-overlap:hover { transform: translateY(-12px); box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }

/* --- HİZMETLER --- */
.services-layout { display: flex; gap: 2rem; align-items: stretch; }
.services-feature-card { flex: 0 0 300px; background: linear-gradient(to right, #e9d5ff, #fef3c7); border-radius: var(--radius-lg); padding: 2.5rem; display: flex; flex-direction: column; justify-content: flex-end; }
.services-feature-card h3 { font-size: 1.75rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.5rem; color: var(--primary-dark); }
.services-grid-wrapper { flex: 1; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.service-card { background: var(--bg-body); padding: 1.5rem; border-radius: var(--radius-md); border: 1px solid var(--border-color); display: flex; flex-direction: column; transition: transform 0.3s, border-color 0.3s; }
.service-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.service-icon-wrapper { width: 45px; height: 45px; background: #f0fdf4; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; border: 1px solid #d1fae5; margin-bottom: 1rem; color: var(--accent); }
.service-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.service-card p { color: var(--text-muted); margin-bottom: 1rem; font-size: 0.85rem; flex-grow: 1; }
.service-link { font-weight: 700; font-size: 0.85rem; color: var(--primary-dark); }

/* --- LOGOLAR (SOSYAL KANIT) --- */
.partners { padding: 3rem 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.partners-inner { display: flex; justify-content: space-between; align-items: center; filter: grayscale(100%); opacity: 0.5; font-weight: bold; font-size: 1.2rem; }

/* --- İSTATİSTİKLER --- */
.stats-box { background: #ecfdf5; border-radius: var(--radius-lg); padding: 4rem; display: flex; justify-content: space-between; align-items: center; }
.stats-text h2 { font-size: 2.25rem; margin-bottom: 1rem; font-weight: 800; }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; text-align: center; }
.stat-item h4 { font-size: 3rem; font-weight: 800; color: var(--primary-dark); line-height: 1; }
.stat-item p { color: var(--text-muted); margin-top: 0.5rem; font-weight: 500; }

/* --- MÜŞTERİ YORUMLARI --- */
.testimonials { background-color: var(--bg-light); }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 3rem; }
.section-header h2 { font-size: 2.25rem; font-weight: 800; letter-spacing: -1px; }
.btn-outline { border: 1px solid var(--border-color); padding: 0.6rem 1.5rem; border-radius: 50px; font-weight: 600; transition: background 0.3s; }
.btn-outline:hover { background: var(--bg-light); }
.test-card { background: white; border-radius: var(--radius-lg); display: flex; overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); }
.test-content { flex: 1; padding: 4rem; display: flex; flex-direction: column; justify-content: center; }
.test-content h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.test-content p { color: var(--text-muted); margin-bottom: 2rem; font-size: 1.05rem; }
.test-author { font-weight: 600; font-size: 0.9rem; color: var(--primary-dark); }
.test-image { flex: 1; }
.test-image img { width: 100%; height: 100%; object-fit: cover; }

/* --- SSS VE İLETİŞİM FORMU --- */
.cf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.faq-item { border-bottom: 1px solid var(--border-color); padding: 1.5rem 0; }
details summary { font-weight: 600; font-size: 1.1rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
details summary::after { content: "+"; font-size: 1.5rem; transition: transform 0.3s; }
details[open] summary::after { content: "-"; transform: rotate(180deg); }
details p { margin-top: 1rem; color: var(--text-muted); padding-right: 2rem; }
.contact-form-card { background: var(--primary-dark); color: white; padding: 3rem; border-radius: var(--radius-lg); }
.contact-form-card h3 { font-size: 1.75rem; font-weight: 800; margin-bottom: 2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-control { width: 100%; padding: 1rem; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; color: white; margin-bottom: 1rem; outline: none; }
.form-control:focus { border-color: var(--accent); }
.btn-submit { width: 100%; background: #fde047; color: var(--primary-dark); padding: 1rem; border: none; border-radius: 8px; font-weight: bold; font-size: 1.1rem; cursor: pointer; transition: background 0.3s; }
.btn-submit:hover { background: #facc15; }

/* --- BİLGİ BANTLARI VE FOOTER --- */
.cta-bottom { text-align: center; padding: 4rem 0; border-top: 1px solid var(--border-color); background: var(--bg-light); }
.cta-bottom h2 { font-size: 2rem; font-weight: 800; margin-bottom: 1rem; }
.cta-btn { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; color: var(--primary-dark); }

footer { background: white; padding: 4rem 0 2rem 0; border-top: 1px solid var(--border-color); font-size: 0.9rem; color: var(--text-muted); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 3rem; }
.footer-grid h4 { color: var(--primary-dark); font-size: 1.1rem; margin-bottom: 1.5rem; }
.footer-grid ul li { margin-bottom: 0.75rem; }
.footer-bottom { display: flex; justify-content: space-between; border-top: 1px solid var(--border-color); padding-top: 2rem; }

/* --- RESPONSIVE EKRAN AYARLARI --- */
@media (max-width: 1100px) {
    .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 992px) {
    .hero-title-mega { font-size: 3rem; }
    .test-card, .services-layout, .cf-grid, .stats-box { flex-direction: column; display: flex; }
    .stats-box { padding: 2rem; text-align: center; }
    .service-grid, .stats-grid, .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    nav ul, .search-box { display: none; }
}