/* ========================================================
   KARTVİZİTLİK.COM - MODERN DESIGN SYSTEM & STYLESHEET
   Aesthetics: Deep Navy / Slate, Royal Blue & Electric Accents
   ======================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Color Palette */
  --bg-dark: #070b14;
  --bg-card-dark: #0e1626;
  --bg-card-hover: #152238;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --surface-border: #e2e8f0;
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --accent: #0ea5e9;
  --accent-cyan: #06b6d4;
  --accent-gold: #f59e0b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f97316;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-light: rgba(0, 0, 0, 0.08);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.25);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: #f8fafc;
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  outline: none;
}

/* ========================================================
   CONTAINER & GRID
   ======================================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-narrow {
  max-width: 960px;
}

.container-fluid {
  max-width: 100%;
  padding: 0 24px;
}

/* ========================================================
   HEADER & NAVIGATION
   - Desktop: Logo & Info on Top row; Full Menu UNDER Logo
   - Mobile: ONLY Logo & Hamburger icon; NO buttons in header
   ======================================================== */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--surface-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

/* Header Top Row (Desktop) */
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid #f1f5f9;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.45rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.5px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.28);
}

.brand-logo span.highlight {
  color: var(--primary);
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 700;
  background: #eff6ff;
  color: var(--primary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: 6px;
  border: 1px solid #dbeafe;
}

.header-top-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.contact-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  color: #334155;
  transition: var(--transition);
}

.contact-pill:hover {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: var(--primary);
}

.contact-pill .phone-icon {
  color: var(--primary);
}

/* Header Dedicated Navigation Bar (DESKTOP: UNDER THE LOGO) */
.header-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  background: #ffffff;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex-wrap: wrap;
}

.desktop-nav li a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  color: #475569;
}

.desktop-nav li a:hover {
  color: var(--primary);
  background: #f1f5f9;
}

.desktop-nav li.active a {
  color: var(--primary);
  background: #eff6ff;
  font-weight: 700;
}

.desktop-nav-badge {
  background: #e0f2fe;
  color: #0369a1;
  font-size: 0.68rem;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  font-weight: 700;
}

/* Mobile Header Bar */
.mobile-header-bar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}

.hamburger-btn {
  display: none;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
  transition: var(--transition);
}

.hamburger-btn:hover {
  background: #e2e8f0;
}

.hamburger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #0f172a;
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer (Menu & ALL Mobile Action Buttons live here) */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100vh;
  background: #ffffff;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-drawer.open {
  right: 0;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid #f1f5f9;
}

.drawer-close {
  background: #f1f5f9;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #475569;
}

.drawer-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

.drawer-contact {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--primary);
}

.drawer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.drawer-nav li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  color: #334155;
  font-size: 0.98rem;
}

.drawer-nav li a:hover, .drawer-nav li.active a {
  background: #f1f5f9;
  color: var(--primary);
}

.drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid #f1f5f9;
}

/* ========================================================
   BUTTONS
   ======================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 14px 26px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-gradient {
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: #ffffff;
  border: none;
}

.btn-gradient:hover {
  background: linear-gradient(135deg, #1d4ed8, #0284c7);
  box-shadow: 0 4px 18px rgba(14, 165, 233, 0.35);
  transform: translateY(-1px);
}

.btn-dark {
  background: #0f172a;
  color: #ffffff;
}

.btn-dark:hover {
  background: #1e293b;
}

.btn-outline {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #334155;
}

.btn-outline:hover {
  background: #f8fafc;
  border-color: #94a3b8;
  color: var(--primary);
}

.btn-danger {
  background: #fee2e2;
  color: var(--danger);
  border: 1px solid #fecaca;
}

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

.btn-block {
  width: 100%;
}

/* ========================================================
   HERO SECTION
   ======================================================== */
.hero-section {
  background: radial-gradient(circle at 50% 0%, #1e293b 0%, #070b14 70%);
  color: #ffffff;
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, rgba(6, 182, 212, 0.05) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: #38bdf8;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero-title .text-gradient {
  background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #94a3b8;
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto 36px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}

.hero-stat-item {
  text-align: center;
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ========================================================
   FEATURE CARDS & SECTIONS
   ======================================================== */
.section {
  padding: 80px 0;
}

.section-muted {
  background: #f1f5f9;
}

.section-dark {
  background: #0f172a;
  color: #ffffff;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-badge {
  display: inline-block;
  background: #eff6ff;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  border: 1px solid #bfdbfe;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-badge.badge-dark {
  background: rgba(37, 99, 235, 0.2);
  color: #60a5fa;
  border-color: rgba(37, 99, 235, 0.4);
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 14px;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
  align-items: center;
}

.feature-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
  border-color: #cbd5e1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: #eff6ff;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ========================================================
   CARDS VAULT & RECORD STYLES
   ======================================================== */
.card-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-item-header {
  padding: 20px;
  border-bottom: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  gap: 14px;
}

.card-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #e2e8f0;
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #475569;
  flex-shrink: 0;
}

.card-meta-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #0f172a;
}

.card-meta-title {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.card-item-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.card-info-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #475569;
}

.card-item-footer {
  padding: 14px 20px;
  background: #f8fafc;
  border-top: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ========================================================
   MODALS & FORMS
   ======================================================== */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: #334155;
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid #cbd5e1;
  background: #ffffff;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ========================================================
   FOOTER
   ======================================================== */
.site-footer {
  background: #090e17;
  color: #94a3b8;
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand-title {
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.footer-phone-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.3);
  color: #60a5fa;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1.05rem;
  margin-top: 14px;
}

.footer-col-title {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links li a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* ========================================================
   RESPONSIVE QUERIES
   CRITICAL REQUIREMENTS:
   - Below 992px: Desktop header hidden, Mobile header shown
   - NO buttons in mobile header, ALL in drawer
   - Menu UNDER logo on desktop
   ======================================================== */
@media (max-width: 991px) {
  .header-top {
    display: none !important;
  }
  .header-nav-bar {
    display: none !important;
  }
  .mobile-header-bar {
    display: flex !important;
  }
  .hamburger-btn {
    display: flex !important;
  }
  .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .hero-title {
    font-size: 2.3rem;
  }
}

@media (min-width: 992px) {
  .mobile-header-bar {
    display: none !important;
  }
  .mobile-drawer {
    display: none !important;
  }
  .drawer-backdrop {
    display: none !important;
  }
}