:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --secondary: #0f172a;
    --accent: #38bdf8;
    --bg-light: #f8fafc;
    --text-dark: #334155;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
}

header {
    background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)), url('https://images.unsplash.com/photo-1581578731548-c64695cc6952?auto=format&fit=crop&w=1200&q=80') no-repeat center center/cover;
    color: white;
    padding: 4rem 1rem;
    text-align: center;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

p.subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #e2e8f0;
}

.cta-btn {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 0.85rem 2rem;
    font-size: 1.2rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
    transition: background 0.3s, transform 0.2s;
}

.cta-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.features {
    background-color: #ffffff;
    padding: 3rem 0;
}

.features ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.features li {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    font-weight: 600;
}

.features li i {
    color: var(--primary);
    margin-right: 8px;
}

.contact-section {
    background-color: var(--secondary);
    color: white;
    text-align: center;
    padding: 4rem 1rem;
}

.contact-section h2 {
    color: white;
    margin-bottom: 1rem;
}

.phone-number {
    font-size: 2.2rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin: 1rem 0;
}

/* Sabit WhatsApp ve Arama Butonları Stili */
.floating-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
    text-decoration: none;
}

.float-btn:hover {
    transform: scale(1.1);
}

.float-btn.whatsapp {
    background-color: #25d366;
}

.float-btn.call {
    background-color: #0284c7;
}

footer {
    background-color: #020617;
    color: #94a3b8;
    text-align: center;
    padding: 1.5rem 1rem;
    font-size: 0.9rem;
    margin-bottom: 0;
}