/* ==========================================================================
   RECEP TUNCER - SMMM & BAĞIMSIZ DENETÇİ
   Kurumsal Web Sitesi Stilleri
   Tasarım: Modern, Prestijli, Responsive Finans & Danışmanlık Arayüzü
   ========================================================================== */

/* --- CSS Değişkenleri (Renk ve Tasarım Teması) --- */
:root {
  --primary: #0b192c;          /* Derin Gece Laciverti */
  --primary-light: #1e3e62;    /* Kurumsal Mavi */
  --primary-dark: #060e18;     /* Koyu Zemin */
  --accent: #d4af37;           /* Prestij Altın / Gold */
  --accent-hover: #b8972b;     /* Koyu Altın */
  --accent-light: #fdf8e7;     /* Çok Açık Altın Tonu */
  --accent-glow: rgba(212, 175, 55, 0.25);
  
  --text-main: #1e293b;        /* Okunabilir Koyu Gri Başlık ve Metin */
  --text-muted: #64748b;       /* Açıklama Grisi */
  --text-light: #94a3b8;       /* Açık Gri */
  
  --bg-body: #ffffff;
  --bg-light: #f8fafc;         /* Açık Gri Bölüm Zeminleri */
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 14px rgba(11, 25, 44, 0.08);
  --shadow-lg: 0 10px 30px rgba(11, 25, 44, 0.12);
  --shadow-xl: 0 20px 40px rgba(11, 25, 44, 0.16);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Cinzel', Georgia, serif;
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Temel Sıfırlama (Reset) --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-body);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* --- Tipografi & Genel Sınıflar --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section-light {
  background-color: var(--bg-light);
}

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

.section-dark .section-subtitle {
  color: var(--accent);
}

.section-dark .section-title {
  color: #ffffff;
}

.section-dark .section-desc {
  color: var(--text-light);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-hover);
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: var(--accent-light);
  border-radius: var(--radius-full);
}

.section-dark .section-subtitle {
  background: rgba(212, 175, 55, 0.15);
  color: var(--accent);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.85rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
  border-color: var(--accent);
}

.btn-accent:hover {
  background: #e5c358;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #ffffff;
  transform: translateY(-2px);
}

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

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

/* --- Üst Bilgi Çubuğu (Top Bar) --- */
.topbar {
  background: var(--primary-dark);
  color: #94a3b8;
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.topbar-items {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.topbar-item a:hover {
  color: #ffffff;
}

.topbar-badge {
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* --- Ana Navigasyon / Header --- */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-crest {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.3rem;
  border: 1.5px solid var(--accent);
  box-shadow: 0 4px 10px rgba(11, 25, 44, 0.15);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: -0.3px;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--accent);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-light);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--primary);
}

/* --- Hero Bölümü --- */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(11, 25, 44, 0.93) 0%, rgba(30, 62, 98, 0.90) 100%),
              url('../images/hero-bg.jpg') center/cover no-repeat;
  color: #ffffff;
  padding: 7rem 0 6rem 0;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: linear-gradient(to top, var(--bg-body), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: var(--radius-full);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 1.25rem;
  letter-spacing: -1px;
}

.hero-title span {
  color: var(--accent);
}

.hero-description {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #cbd5e1;
  margin-bottom: 2.25rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-motto-banner {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #f1f5f9;
}

.hero-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  position: relative;
}

.hero-card-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.hero-card-name {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.hero-card-role {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.hero-stats-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-stat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-stat-label {
  font-size: 0.9rem;
  color: #94a3b8;
}

.hero-stat-val {
  font-weight: 700;
  font-size: 0.95rem;
  color: #ffffff;
}

/* --- Ana Sayfa 3 Ana Kısım (Devlet İlişkisi, Mali Durum, Hizmetimiz) --- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.pillar-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(212, 175, 55, 0.4);
}

.pillar-img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.pillar-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.pillar-card:hover .pillar-img-wrap img {
  transform: scale(1.05);
}

.pillar-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--primary);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.pillar-body {
  padding: 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.pillar-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.pillar-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

/* Pillar 1: Devlet İlişkisi Liste */
.institution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.tag-badge:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Pillar 2: Mali Durum 3 Bakış Açısı */
.perspective-list {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.perspective-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}

.perspective-icon {
  color: var(--accent-hover);
  font-size: 1rem;
  margin-top: 2px;
}

.perspective-text h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.15rem;
}

.perspective-text p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Pillar 3: Hizmetimiz Metafor Kartı */
.metaphor-box {
  margin-top: auto;
  background: linear-gradient(135deg, rgba(11, 25, 44, 0.03) 0%, rgba(212, 175, 55, 0.08) 100%);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.metaphor-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.metaphor-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.metaphor-content h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
}

.metaphor-content p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- İş Anlayışımız Bölümü --- */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.principle-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.principle-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.principle-icon-wrap {
  width: 48px;
  height: 48px;
  background: var(--bg-light);
  color: var(--primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.principle-card:hover .principle-icon-wrap {
  background: var(--primary);
  color: var(--accent);
  border-color: var(--primary);
}

.principle-text h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.principle-text p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* 4 Aşamalı İş Modeli (Workflow) */
.workflow-section-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.workflow-section-title h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
}

.workflow-section-title p {
  color: var(--text-muted);
  font-size: 1rem;
}

.workflow-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.workflow-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.workflow-visual img {
  width: 100%;
  height: 100%;
  max-height: 520px;
  object-fit: cover;
}

.workflow-visual-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(11,25,44,0.95), transparent);
  color: #ffffff;
}

.workflow-visual-overlay h4 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.workflow-visual-overlay p {
  font-size: 0.85rem;
  color: var(--accent);
}

.workflow-steps-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.step-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
}

.step-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
}

.step-items {
  padding-left: 3.25rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
}

.step-item {
  font-size: 0.88rem;
  color: var(--text-muted);
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.step-item::before {
  content: '•';
  color: var(--accent-hover);
  font-weight: bold;
  font-size: 1.2rem;
  line-height: 0;
}

/* --- Hakkımızda Bölümü --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: start;
}

.about-story {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-story p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #334155;
}

.about-lead {
  font-size: 1.2rem !important;
  font-weight: 600;
  color: var(--primary) !important;
  border-left: 4px solid var(--accent);
  padding-left: 1.25rem;
}

.motto-banner-about {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid rgba(212, 175, 55, 0.4);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.motto-banner-about span {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.motto-banner-about h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.5px;
}

/* Timeline / Kronoloji Paneli */
.timeline-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.timeline-card-header {
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.timeline-card-header h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
}

.timeline-card-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  position: relative;
}

.timeline-list::before {
  content: '';
  position: absolute;
  top: 15px;
  bottom: 15px;
  left: 20px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent) 0%, var(--primary-light) 100%);
}

.timeline-item {
  position: relative;
  display: flex;
  gap: 1.25rem;
  padding-bottom: 1.6rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--accent);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.9);
  flex-shrink: 0;
  transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
  background: var(--accent);
  color: var(--primary-dark);
  transform: scale(1.1);
}

.timeline-content {
  padding-top: 0.4rem;
}

.timeline-year {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-hover);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
}

/* --- İletişim Bölümü --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info-wrap {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-cards-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-info-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-light);
  color: var(--primary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info-card:hover .contact-card-icon {
  background: var(--primary);
  color: var(--accent);
}

.contact-card-detail h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.contact-card-detail p,
.contact-card-detail a {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.45;
}

.contact-card-detail a:hover {
  color: var(--accent-hover);
}

/* Harita Alanı */
.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  height: 250px;
  position: relative;
  background: #e2e8f0;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.map-actions {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

/* İletişim Formu */
.contact-form-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-form-header {
  margin-bottom: 1.75rem;
}

.contact-form-header h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.contact-form-header p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  background-color: #ffffff;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(30, 62, 98, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-notice {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-status.success {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-status.error {
  display: block;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* --- Alt Bilgi (Footer) --- */
.footer {
  background: var(--primary-dark);
  color: #94a3b8;
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand .brand-crest {
  margin-bottom: 1rem;
}

.footer-brand .brand-title {
  color: #ffffff;
}

.footer-brand .brand-subtitle {
  color: var(--accent);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 1rem;
  color: #94a3b8;
}

.footer-col h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: #cbd5e1;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: #cbd5e1;
}

.footer-contact-item svg {
  color: var(--accent);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-contact-item a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

/* --- Yukarı Çık Butonu --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  background: var(--primary);
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 990;
  touch-action: manipulation;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-4px);
}

/* Mobil Menü Arka Plan Perdesi (Backdrop) */
.menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 25, 44, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.menu-backdrop.show {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   GELİŞMİŞ RESPONSIVE TASARIM (BİLGİSAYAR, TABLET VE MOBİL UYUMU)
   ========================================================================== */

/* --- 1. Geniş Ekranlar & Masaüstü (1025px - 1280px) --- */
@media (max-width: 1200px) {
  .container {
    max-width: 100%;
    padding-left: 2rem;
    padding-right: 2rem;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .hero-grid {
    gap: 2.5rem;
  }
}

/* --- 2. Tablet Ekranları (Yatay & Dikey: 769px - 1024px) --- */
@media (max-width: 1024px) {
  .section {
    padding: 5rem 0;
  }
  
  .hero {
    padding: 5.5rem 0 4.5rem 0;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-card {
    max-width: 540px;
    margin: 0 auto;
    width: 100%;
  }
  
  .hero-title {
    font-size: 2.45rem;
  }
  
  .hero-description {
    max-width: 100%;
  }
  
  /* Tablette 3 ana boyut 2+1 sütun düzeni */
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .pillar-card:nth-child(3) {
    grid-column: span 2;
  }
  
  .workflow-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .workflow-visual img {
    max-height: 380px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .timeline-card {
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
  
  .footer-brand {
    grid-column: span 2;
  }
}

/* --- 3. Tablet Dikey & Büyük Telefonlar (481px - 768px) --- */
@media (max-width: 768px) {
  .section {
    padding: 3.75rem 0;
  }
  
  /* Mobilde temiz görünüm için topbar gizlenir */
  .topbar {
    display: none;
  }
  
  /* Header & Mobil Hamburger Menü */
  .header .container {
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
  }
  
  .brand-crest {
    width: 42px;
    height: 42px;
    font-size: 1.15rem;
  }
  
  .brand-title {
    font-size: 1.15rem;
  }
  
  .brand-subtitle {
    font-size: 0.68rem;
  }
  
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--primary);
    transition: var(--transition);
  }
  
  .menu-toggle:hover,
  .menu-toggle[aria-expanded="true"] {
    background: var(--primary);
    color: var(--accent);
  }
  
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 1.75rem 2rem 2.25rem 2rem;
    box-shadow: 0 15px 35px rgba(11, 25, 44, 0.15);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    gap: 1.25rem;
    border-bottom: 3px solid var(--accent);
    z-index: 999;
  }
  
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-link {
    font-size: 1.1rem;
    padding: 0.6rem 0;
    width: 100%;
    border-bottom: 1px solid var(--border-subtle);
  }
  
  .nav-cta {
    display: none;
  }
  
  /* Hero Alanı */
  .hero {
    padding: 4.5rem 0 3.5rem 0;
  }
  
  .hero-title {
    font-size: 2.15rem;
    letter-spacing: -0.5px;
  }
  
  .hero-description {
    font-size: 1.05rem;
    margin-bottom: 1.75rem;
  }
  
  .hero-actions {
    margin-bottom: 2rem;
  }
  
  .hero-motto-banner {
    font-size: 0.88rem;
    padding: 0.85rem 1rem;
  }
  
  /* Bölüm Başlıkları */
  .section-header {
    margin-bottom: 2.5rem;
  }
  
  .section-title {
    font-size: 1.85rem;
  }
  
  .section-desc {
    font-size: 1rem;
  }
  
  /* Ana Sayfa 3 Boyut: Tek Sütun */
  .pillars-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
  
  .pillar-card:nth-child(3) {
    grid-column: auto;
  }
  
  .pillar-img-wrap {
    height: 200px;
  }
  
  /* İş Anlayışımız Prensipleri */
  .principles-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-bottom: 3rem;
  }
  
  .principle-card {
    padding: 1.35rem;
  }
  
  .step-items {
    padding-left: 0;
    margin-top: 0.5rem;
  }
  
  /* İletişim & Form */
  .contact-form-card {
    padding: 1.75rem 1.25rem;
  }
  
  .form-control {
    font-size: 16px; /* iOS Safari otomatik yakınlaştırmayı engeller */
    padding: 0.85rem;
  }
  
  .map-container {
    height: 230px;
  }
  
  /* Footer */
  .footer {
    padding: 3.5rem 0 1.5rem 0;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
  }
  
  .footer-brand {
    grid-column: auto;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .footer-bottom-links {
    justify-content: center;
  }
  
  .back-to-top {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 42px;
    height: 42px;
  }
}

/* --- 4. Küçük Akıllı Telefonlar (<= 480px) --- */
@media (max-width: 480px) {
  .container {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }
  
  .hero-title {
    font-size: 1.85rem;
    line-height: 1.22;
  }
  
  .hero-badge {
    font-size: 0.78rem;
    padding: 0.35rem 0.75rem;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .hero-card {
    padding: 1.35rem 1.15rem;
  }
  
  .hero-card-name {
    font-size: 1.35rem;
  }
  
  .hero-stat-item {
    padding: 0.65rem 0.85rem;
  }
  
  .hero-stat-label,
  .hero-stat-val {
    font-size: 0.85rem;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
  
  .section-subtitle {
    font-size: 0.75rem;
  }
  
  .pillar-title {
    font-size: 1.25rem;
  }
  
  .pillar-body {
    padding: 1.35rem;
  }
  
  .timeline-card {
    padding: 1.5rem 1.15rem;
  }
  
  .timeline-item {
    gap: 0.85rem;
  }
  
  .timeline-dot {
    width: 36px;
    height: 36px;
    font-size: 0.85rem;
  }
  
  .timeline-list::before {
    left: 17px;
  }
  
  .timeline-title {
    font-size: 0.95rem;
  }
  
  .motto-banner-about h3 {
    font-size: 1.05rem;
  }
  
  .contact-info-card {
    padding: 1rem;
    gap: 1rem;
  }
  
  .contact-card-icon {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }
  
  .contact-card-detail p,
  .contact-card-detail a {
    font-size: 0.9rem;
  }
}