/* src/css/base.css */
:root {
  /* Renk Paleti - Efe Teknik Takım Yeni Kurumsal Renkleri (Kırmızı & Siyah) */
  --color-primary: #e31837; /* Dinamik Kırmızı (Logodaki vurgu rengi - Hover, Buton ve Aktif alanlar için) */
  --color-primary-dark: #000000; /* Saf Siyah (Logotype ve ana metinler) */
  --color-secondary: #1a1a1a; /* Koyu antrasit / Alt vurgular ve Footer için */
  --color-text-dark: #1f2937; /* Koyu okunabilir metin (Siyaha yakın) */
  --color-text-muted: #6b7280; /* Pasif metinler ve açıklamalar */
  --color-background: #ffffff;
  --color-background-alt: #f3f4f6; /* Üst bar gibi alanlar için hafif gri */
  --color-border: #e5e7eb;

  /* Tipografi */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Geçişler */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  
  /* Gölgeler */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-hover: 0 10px 20px rgba(0,0,0,0.15);
}

/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-background);
  color: var(--color-text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
}

/* ================== GLOBAL BUTONLAR ================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-weight: 600;
  border-radius: 6px;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #c0122d;
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(227, 24, 55, 0.3); /* Kırmızı parlama efekti */
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary-dark);
  border: 2px solid var(--color-primary-dark);
}

.btn-outline:hover {
  background-color: var(--color-primary-dark);
  color: #ffffff;
  transform: translateY(-2px);
}
.btn-whatsapp {
  background-color: #25D366;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background-color: #128C7E;
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(37, 211, 102, 0.3);
  color: #ffffff;
}

/* Sabit Kayan WhatsApp İkonu */
.floating-whatsapp {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #ffffff;
  border-radius: 50px;
  text-align: center;
  font-size: 35px;
  box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.floating-whatsapp:hover {
  background-color: #128c7e;
  transform: scale(1.1);
  color: #ffffff;
  box-shadow: 0px 6px 20px rgba(37, 211, 102, 0.4);
}