/* ==========================================================================
   EVRENBIL BİLGİSAYAR VE MÜHENDİSLİK - MODERN LIGHT CORPORATE DESIGN SYSTEM
   Lojistik ve ERP Yazılımları (1987'den Beri YTÜ Teknopark A1 Blok)
   ========================================================================== */

:root {
  /* Brand Core Colors (Evrenbil Identity) */
  --evrenbil-navy: #002c66;
  --evrenbil-blue: #004c8e;
  --evrenbil-primary: #0066cc;
  --evrenbil-accent: #ff5e15;
  /* Evrenbil's signature vibrant orange accent */
  --evrenbil-accent-hover: #ea580c;
  --evrenbil-cyan: #0284c7;

  /* Light Theme Canvas & Surfaces */
  --bg-page: #f8fafc;
  --bg-white: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-tinted-blue: #f0f7ff;
  --bg-tinted-warm: #fff9f5;

  /* Text Hierarchy */
  --text-heading: #0f172a;
  /* Deep slate navy for high-contrast crisp text */
  --text-body: #334155;
  /* Slate text for effortless readability */
  --text-muted: #64748b;
  --text-light: #94a3b8;

  /* Borders & Dividers */
  --border-light: #e2e8f0;
  --border-card: #e5edf5;
  --border-blue: rgba(0, 102, 204, 0.25);

  /* Shadows */
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-card: 0 4px 20px -2px rgba(0, 44, 102, 0.06), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 16px 36px -6px rgba(0, 44, 102, 0.12), 0 4px 12px -2px rgba(0, 0, 0, 0.04);
  --shadow-primary: 0 8px 24px rgba(0, 102, 204, 0.28);
  --shadow-accent: 0 8px 24px rgba(255, 94, 21, 0.32);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* ==========================================================================
   RESET & BASE STYLES (CLEAN, BRIGHT & READABLE)
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  background-color: var(--bg-page);
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Custom Clean Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}

::-webkit-scrollbar-track {
  background: var(--bg-page);
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-top: 0;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

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

/* Typography Gradient & Accents */
.gradient-brand {
  background: linear-gradient(135deg, var(--evrenbil-navy) 0%, var(--evrenbil-primary) 50%, var(--evrenbil-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.gradient-blue {
  background: linear-gradient(135deg, #002c66 0%, #0066cc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.text-brand-orange {
  color: var(--evrenbil-accent) !important;
}

.text-brand-blue {
  color: var(--evrenbil-primary) !important;
}

/* ==========================================================================
   TOP NOTIFICATION BAR (CORPORATE NAVY)
   ========================================================================== */
.top-bar {
  background-color: var(--evrenbil-navy);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8125rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 94, 21, 0.22);
  border: 1px solid rgba(255, 94, 21, 0.4);
  color: #ffb088;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-right: 8px;
  letter-spacing: 0.03em;
}

.top-bar-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-links a {
  color: #e2e8f0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.top-bar-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* ==========================================================================
   SITE HEADER & CLEAN LIGHT NAVBAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  box-shadow: 0 10px 25px rgba(0, 44, 102, 0.08);
}

.site-navbar {
  padding: 14px 0;
}

.navbar-brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-brand-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.brand-meta-badge {
  display: inline-flex;
  flex-direction: column;
  padding-left: 10px;
  border-left: 1px solid #cbd5e1;
}

.brand-meta-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--evrenbil-navy);
  line-height: 1.2;
}

.brand-meta-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Nav Menu Links */
.nav-links-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-item-link {
  color: var(--text-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-fast);
}

.nav-item-link:hover,
.nav-item-link.active {
  color: var(--evrenbil-primary);
  background-color: var(--bg-tinted-blue);
}

/* Mega Dropdown Menu (Clean White Card) */
.has-dropdown {
  position: relative;
}

.mega-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 820px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 44, 102, 0.14);
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
  pointer-events: none;
  z-index: 1050;
}

.has-dropdown:hover .mega-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(2px);
  pointer-events: auto;
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.mega-col-heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--evrenbil-primary);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mega-menu-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mega-menu-item a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mega-menu-item a:hover {
  background: var(--bg-tinted-blue);
  transform: translateX(3px);
}

.mega-item-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: #eff6ff;
  border: 1px solid #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mega-item-icon img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.mega-item-text {
  display: flex;
  flex-direction: column;
}

.mega-item-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.25;
}

.mega-item-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav-support {
  color: var(--evrenbil-navy);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid #cbd5e1;
  background: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-nav-support:hover {
  background: var(--bg-subtle);
  border-color: #94a3b8;
  color: var(--evrenbil-navy);
}

.btn-nav-demo {
  background: linear-gradient(135deg, var(--evrenbil-primary) 0%, var(--evrenbil-navy) 100%);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: var(--radius-full);
  border: none;
  box-shadow: var(--shadow-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-nav-demo:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 102, 204, 0.4);
  color: #ffffff;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  color: var(--text-heading);
  padding: 8px 10px;
  cursor: pointer;
}

@media (max-width: 991px) {
  .mobile-nav-toggle {
    display: inline-flex;
  }

  .nav-links-wrap,
  .nav-actions {
    display: none;
  }
}

/* Mobile Offcanvas Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 360px;
  height: 100vh;
  background: #ffffff;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
  border-left: 1px solid var(--border-light);
  z-index: 2000;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-smooth);
  overflow-y: auto;
}

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

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.mobile-drawer-close {
  background: #f1f5f9;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-drawer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-drawer-menu a {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
}

.mobile-drawer-menu a:hover {
  background: var(--bg-tinted-blue);
  color: var(--evrenbil-primary);
}

.mobile-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.mobile-backdrop.open {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   BUTTONS (CORPORATE LIGHT)
   ========================================================================== */
.btn-brand-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--evrenbil-primary) 0%, var(--evrenbil-navy) 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 30px;
  border-radius: var(--radius-full);
  border: none;
  box-shadow: var(--shadow-primary);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-brand-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 102, 204, 0.4);
  color: #ffffff;
}

.btn-brand-orange {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--evrenbil-accent) 0%, #d94e0f 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 30px;
  border-radius: var(--radius-full);
  border: none;
  box-shadow: var(--shadow-accent);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-brand-orange:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 94, 21, 0.45);
  color: #ffffff;
}

.btn-brand-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #ffffff;
  color: var(--evrenbil-navy);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  border: 1.5px solid #cbd5e1;
  box-shadow: var(--shadow-subtle);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-brand-outline:hover {
  background: var(--bg-tinted-blue);
  border-color: var(--evrenbil-primary);
  color: var(--evrenbil-primary);
  transform: translateY(-2px);
}

/* ==========================================================================
   HERO SECTION (CLEAN, AIRY, DYNAMIC - NO FAKE SCREENSHOTS)
   ========================================================================== */
.hero-section-clean {
  position: relative;
  padding: 70px 0 80px 0;
  background: radial-gradient(circle at 50% 20%, #f0f7ff 0%, #f8fafc 70%);
  overflow: hidden;
}

.hero-section-clean::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background-image: radial-gradient(rgba(0, 102, 204, 0.08) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  pointer-events: none;
  opacity: 0.6;
}

.hero-clean-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 1px solid #dbeafe;
  color: var(--evrenbil-blue);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgba(0, 102, 204, 0.08);
  margin-bottom: 22px;
}

.hero-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--evrenbil-accent);
  box-shadow: 0 0 6px rgba(255, 94, 21, 0.6);
}

.hero-clean-title {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-heading);
  line-height: 1.15;
  margin-bottom: 22px;
}

@media (min-width: 768px) {
  .hero-clean-title {
    font-size: 3.8rem;
  }
}

.hero-clean-subtitle {
  font-size: 1.2rem;
  color: var(--text-body);
  max-width: 720px;
  margin: 0 auto 36px auto;
  line-height: 1.7;
}

.hero-clean-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* Hero Feature Cards Grid (Replaces heavy fake screenshots with pure elegance) */
.hero-highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 30px;
  text-align: left;
}

@media (max-width: 991px) {
  .hero-highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .hero-highlights-grid {
    grid-template-columns: 1fr;
  }
}

.hero-highlight-card {
  background: #ffffff;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.hero-highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--evrenbil-primary), var(--evrenbil-accent));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.hero-highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #cbd5e1;
}

.hero-highlight-card:hover::before {
  opacity: 1;
}

.highlight-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-tinted-blue);
  border: 1px solid #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--evrenbil-primary);
}

.highlight-icon-box img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.highlight-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.highlight-card-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   CLIENT MARQUEE TICKER (REFERANSLAR)
   ========================================================================== */
.client-marquee-section {
  padding: 40px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.marquee-title {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--evrenbil-blue);
  margin-bottom: 24px;
}

.marquee-container {
  display: flex;
  overflow: hidden;
  user-select: none;
  mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
  animation: marqueeScroll 32s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marqueeScroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.client-logo-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 22px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.client-logo-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
  border-color: #cbd5e1;
}

.client-logo-pill img {
  height: 30px;
  width: auto;
  object-fit: contain;
}

.client-pill-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-heading);
}

/* ==========================================================================
   STATISTICS SECTION (CLEAN WHITE CARDS)
   ========================================================================== */
.stats-section-clean {
  padding: 80px 0;
  background-color: var(--bg-page);
}

.stats-clean-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 991px) {
  .stats-clean-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .stats-clean-grid {
    grid-template-columns: 1fr;
  }
}

.stat-clean-card {
  background: #ffffff;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 34px 26px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-smooth);
}

.stat-clean-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #cbd5e1;
}

.stat-clean-number {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--evrenbil-navy);
  line-height: 1.1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.stat-clean-number.accent {
  color: var(--evrenbil-accent);
}

.stat-clean-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.stat-clean-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ==========================================================================
   PRODUCT SUITE (ÇÖZÜMLERİMİZ) - CLEAN LIGHT TABS & CARDS
   ========================================================================== */
.products-section-clean {
  padding: 90px 0;
  background-color: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-tag-clean {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--evrenbil-primary);
  margin-bottom: 10px;
}

.section-title-clean {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

@media (min-width: 992px) {
  .section-title-clean {
    font-size: 2.8rem;
  }
}

.section-desc-clean {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 40px auto;
  line-height: 1.65;
}

/* Tabs */
.clean-tabs-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 45px;
  background: var(--bg-subtle);
  padding: 6px;
  border-radius: var(--radius-full);
  border: 1px solid #e2e8f0;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.clean-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-body);
  font-size: 0.9375rem;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.clean-tab-btn:hover {
  color: var(--evrenbil-primary);
}

.clean-tab-btn.active {
  background: var(--evrenbil-navy);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 44, 102, 0.25);
}

.product-tab-pane {
  display: none;
  animation: tabFadeIn 0.35s ease forwards;
}

.product-tab-pane.active {
  display: block;
}

@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.clean-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .clean-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .clean-cards-grid {
    grid-template-columns: 1fr;
  }
}

.clean-product-card {
  background: #ffffff;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-smooth);
  position: relative;
}

.clean-product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: #cbd5e1;
}

.card-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-icon-pill {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--bg-tinted-blue);
  border: 1px solid #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon-pill img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.card-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--text-muted);
}

.card-badge.orange {
  background: #fff1eb;
  color: var(--evrenbil-accent);
}

.clean-card-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.clean-card-category {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--evrenbil-primary);
  margin-bottom: 14px;
}

.clean-card-desc {
  font-size: 0.9375rem;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 22px;
  flex-grow: 1;
}

.clean-features-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.clean-features-list li {
  font-size: 0.8125rem;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 8px;
}

.clean-features-list li svg {
  color: #16a34a;
  flex-shrink: 0;
}

.clean-card-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--evrenbil-primary);
  transition: all var(--transition-fast);
}

.clean-card-action:hover {
  color: var(--evrenbil-accent);
  gap: 10px;
}

/* ==========================================================================
   BENTO GRID (NEDEN EVRENBIL? KURUMSAL GÜÇ)
   ========================================================================== */
.bento-section-clean {
  padding: 90px 0;
  background-color: var(--bg-page);
}

.bento-clean-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .bento-clean-grid {
    grid-template-columns: 1fr;
  }
}

.bento-clean-card {
  background: #ffffff;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-clean-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #cbd5e1;
}

.bento-clean-card.col-span-2 {
  grid-column: span 2;
}

@media (max-width: 991px) {
  .bento-clean-card.col-span-2 {
    grid-column: span 1;
  }
}

.bento-icon-clean {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--bg-tinted-blue);
  border: 1px solid #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--evrenbil-primary);
  margin-bottom: 20px;
}

.bento-clean-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.bento-clean-text {
  font-size: 0.9375rem;
  color: var(--text-body);
  line-height: 1.65;
}

.bento-tag-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.bento-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 1px solid #e2e8f0;
  color: var(--text-heading);
}

/* ==========================================================================
   INTERACTIVE ROI / LOJİSTİK HESAPLAYICI (LIGHT THEME)
   ========================================================================== */
.roi-section-clean {
  padding: 80px 0;
  background-color: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.roi-clean-card {
  background: var(--bg-tinted-blue);
  border: 1px solid #dbeafe;
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-card);
}

@media (max-width: 768px) {
  .roi-clean-card {
    padding: 24px;
  }
}

.roi-clean-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 991px) {
  .roi-clean-grid {
    grid-template-columns: 1fr;
  }
}

.slider-group-clean {
  margin-bottom: 26px;
}

.slider-header-clean {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.slider-title-clean {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-heading);
}

.slider-val-badge {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--evrenbil-navy);
  background: #ffffff;
  border: 1px solid #cbd5e1;
  padding: 2px 10px;
  border-radius: 6px;
}

.roi-range-input {
  width: 100%;
  -webkit-appearance: none;
  height: 8px;
  border-radius: 4px;
  background: #cbd5e1;
  outline: none;
  cursor: pointer;
}

.roi-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--evrenbil-primary);
  border: 2px solid #ffffff;
  box-shadow: 0 2px 8px rgba(0, 102, 204, 0.4);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.roi-range-input::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.roi-results-clean-box {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.roi-res-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
}

.roi-res-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.roi-res-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-heading);
}

.roi-res-number {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--evrenbil-navy);
}

/* ==========================================================================
   BLOG & KNOWLEDGE SECTION (GERÇEK İÇERİKLER)
   ========================================================================== */
.blog-section-clean {
  padding: 85px 0;
  background-color: var(--bg-page);
}

.blog-clean-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .blog-clean-grid {
    grid-template-columns: 1fr;
  }
}

.blog-clean-card {
  background: #ffffff;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
}

.blog-clean-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #cbd5e1;
}

.blog-card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--evrenbil-primary);
  margin-bottom: 10px;
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 10px;
  line-height: 1.35;
}

.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 20px;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--evrenbil-primary);
}

.blog-read-more:hover {
  color: var(--evrenbil-accent);
}

/* ==========================================================================
   CALL TO ACTION BANNER (HIGH IMPACT CORPORATE BLUE)
   ========================================================================== */
.cta-clean-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--evrenbil-navy) 0%, #004080 100%);
  color: #ffffff;
  text-align: center;
}

.cta-clean-title {
  font-size: 2.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

@media (min-width: 768px) {
  .cta-clean-title {
    font-size: 3.2rem;
  }
}

.cta-clean-subtitle {
  font-size: 1.15rem;
  color: #cbd5e1;
  max-width: 660px;
  margin: 0 auto 36px auto;
  line-height: 1.65;
}

.cta-clean-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   FOOTER (CORPORATE NAVY - DEEP, TRUSTED & RICH)
   ========================================================================== */
.site-footer-corporate {
  background: var(--evrenbil-navy);
  color: #cbd5e1;
  padding: 70px 0 30px 0;
  font-size: 0.875rem;
}

.footer-corporate-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 36px;
  margin-bottom: 50px;
}

@media (max-width: 1100px) {
  .footer-corporate-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer-corporate-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand-corporate {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
  align-self: flex-start;
}

.footer-desc-text {
  color: #94a3b8;
  line-height: 1.6;
  max-width: 320px;
}

.footer-teknopark-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  width: fit-content;
}

.footer-title-corporate {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-links-clean {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-clean a {
  color: #cbd5e1;
}

.footer-links-clean a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-contact-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #cbd5e1;
  margin-bottom: 12px;
}

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

.footer-bottom-corporate {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: #94a3b8;
  font-size: 0.8125rem;
}

/* ==========================================================================
   DEMO MODAL (CLEAN LIGHT MODAL)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card-clean {
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 560px;
  padding: 36px;
  position: relative;
  transform: scale(0.95);
  transition: all var(--transition-smooth);
}

.modal-overlay.active .modal-card-clean {
  transform: scale(1);
}

.modal-close-clean {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f1f5f9;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-heading);
}

.modal-close-clean:hover {
  background: #fee2e2;
  color: #dc2626;
}

.form-input-clean {
  width: 100%;
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text-heading);
  font-size: 0.9375rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input-clean:focus {
  border-color: var(--evrenbil-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

/* ==========================================================================
   FLOATING BUTTONS (WHATSAPP & PHONE)
   ========================================================================== */
.floating-actions-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 990;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.float-wa-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-fast);
}

.float-wa-btn:hover {
  transform: scale(1.1);
  color: #ffffff;
}

/* Scroll Reveal */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.container-tech {
  width: 100%;
  max-width: 1220px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}