/* ==========================================================================
   SİSTEMF - BİLİŞİM VE SİBER GÜVENLİK TEKNOLOJİLERİ
   Theme: Cryptiva Cyber Security Dark High-Tech Aesthetic
   Turhost cPanel & Production Ready
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg-dark: #060913;
  --bg-dark-secondary: #0b1122;
  --bg-card: rgba(13, 22, 43, 0.72);
  --bg-card-hover: rgba(18, 30, 58, 0.9);
  --bg-glass: rgba(10, 17, 34, 0.65);
  
  --cyan-primary: #00f0ff;
  --cyan-glow: rgba(0, 240, 255, 0.35);
  --cyan-light: #e0faff;
  --blue-primary: #2563eb;
  --blue-light: #38bdf8;
  --purple-accent: #7c3aed;
  --green-secure: #10b981;
  --amber-warning: #f59e0b;
  --red-alert: #ef4444;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-highlight: #ffffff;

  --border-subtle: rgba(0, 240, 255, 0.12);
  --border-hover: rgba(0, 240, 255, 0.35);
  --border-glass: rgba(255, 255, 255, 0.08);

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'Space Grotesk', monospace, sans-serif;

  --shadow-cyber: 0 10px 35px -10px rgba(0, 240, 255, 0.2);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.3);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Cyber Matrix Background Grid Effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: -1;
}

/* Ambient Radial Glows */
.ambient-glow-1 {
  position: fixed;
  top: -100px;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, rgba(37, 99, 235, 0.05) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
}

.ambient-glow-2 {
  position: fixed;
  bottom: 10%;
  right: 5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, rgba(0, 240, 255, 0.04) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
}

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

ul {
  list-style: none;
}

img, svg {
  max-width: 100%;
  display: block;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-cyan {
  color: var(--cyan-primary) !important;
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 20%, #00f0ff 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #00f0ff 0%, #38bdf8 50%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--cyan-primary);
  margin-bottom: 1rem;
}

.section-tag .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--cyan-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan-primary);
  animation: pulseCyber 2s infinite;
}

@keyframes pulseCyber {
  0% { transform: scale(0.9); opacity: 0.7; box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.7); }
  70% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 8px rgba(0, 240, 255, 0); }
  100% { transform: scale(0.9); opacity: 0.7; box-shadow: 0 0 0 0 rgba(0, 240, 255, 0); }
}

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

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 1.1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #0077ff 100%);
  color: #040814;
  font-weight: 700;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.4);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transition: 0.5s;
  z-index: -1;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.6);
  color: #02040a;
}

.btn-primary:hover::after {
  left: 100%;
}

.btn-outline {
  background: rgba(14, 23, 42, 0.5);
  border: 1px solid var(--border-hover);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-bar {
  background: rgba(6, 9, 19, 0.9);
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.45rem 0;
  position: relative;
  z-index: 101;
}

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

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.top-bar-info a, .top-bar-info span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-muted);
}

.top-bar-info a:hover {
  color: var(--cyan-primary);
}

.top-bar-info i {
  color: var(--cyan-primary);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green-secure);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.status-badge .ping {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-secure);
  box-shadow: 0 0 6px var(--green-secure);
}

/* Main Navbar */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(6, 9, 19, 0.8);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(6, 9, 19, 0.95);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img {
  height: 48px;
  width: auto;
}

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

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

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.nav-link.active::after, .nav-link:hover::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--cyan-primary);
  box-shadow: 0 0 10px var(--cyan-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
  padding: 0.4rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 6.5rem 0 5.5rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 1.4rem;
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 2.2rem;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--border-glass);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.trust-item i {
  color: var(--cyan-primary);
  font-size: 1.25rem;
}

.trust-item-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.3;
}

.trust-item-text strong {
  display: block;
  color: var(--text-main);
}

/* Hero Cyber Security Visual / Shield Console */
.hero-visual {
  position: relative;
}

.cyber-terminal-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card), var(--shadow-cyber);
  padding: 1.8rem;
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 1.2rem;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ef4444; }
.terminal-dots span:nth-child(2) { background: #f59e0b; }
.terminal-dots span:nth-child(3) { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 1px;
  color: var(--cyan-primary);
}

.cyber-status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.cyber-stat-box {
  background: rgba(6, 9, 19, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.cyber-stat-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.cyber-stat-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-highlight);
}

.cyber-stat-value.secure {
  color: var(--green-secure);
}

.cyber-terminal-log {
  background: rgba(6, 9, 19, 0.9);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan-primary);
  line-height: 1.6;
}

.cyber-terminal-log p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cyber-terminal-log .log-time {
  color: var(--text-dim);
}

.floating-shield-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: rgba(11, 17, 34, 0.95);
  border: 1px solid var(--cyan-primary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-cyber);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  backdrop-filter: blur(12px);
  animation: floatSlow 4s ease-in-out infinite;
}

.floating-shield-badge i {
  font-size: 1.8rem;
  color: var(--cyan-primary);
}

.floating-shield-badge h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

.floating-shield-badge p {
  font-size: 0.75rem;
  color: var(--green-secure);
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==========================================================================
   Metrics Counter Banner
   ========================================================================== */
.metrics-section {
  position: relative;
  padding: 2.5rem 0;
  background: rgba(11, 17, 34, 0.5);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.metric-card {
  text-align: center;
  padding: 1rem;
}

.metric-number {
  font-size: 3rem;
  font-weight: 900;
  font-family: var(--font-mono);
  background: linear-gradient(135deg, #ffffff 30%, #00f0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}

.metric-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ==========================================================================
   Services Section (7 Core Solutions)
   ========================================================================== */
.services-section {
  padding: 6.5rem 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 240, 255, 0.15);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--cyan-primary);
  margin-bottom: 1.5rem;
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon-box {
  background: var(--cyan-primary);
  color: #040814;
  box-shadow: 0 0 20px var(--cyan-primary);
}

.service-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
  color: var(--text-highlight);
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.4rem;
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.service-tags span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  color: var(--cyan-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.service-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-glass);
}

.service-btn-detail {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--cyan-primary);
  cursor: pointer;
  transition: gap var(--transition-fast);
}

.service-btn-detail:hover {
  gap: 0.7rem;
  color: #ffffff;
}

/* Feature highlight card (Featured Service, spans 2 cols or special) */
.service-card.featured {
  background: linear-gradient(135deg, rgba(14, 23, 42, 0.85) 0%, rgba(30, 41, 69, 0.85) 100%);
  border: 1px solid rgba(0, 240, 255, 0.35);
  box-shadow: 0 10px 40px rgba(0, 240, 255, 0.12);
}

/* ==========================================================================
   About Us Section (Hakkımızda - SistemF)
   ========================================================================== */
.about-section {
  padding: 6.5rem 0;
  position: relative;
  background: rgba(11, 17, 34, 0.4);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.about-visual {
  position: relative;
}

.about-cyber-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
}

.about-points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.about-point-item {
  display: flex;
  gap: 1.2rem;
}

.about-point-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.about-point-text h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 0.3rem;
}

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

.about-content p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-highlight-box {
  background: rgba(0, 240, 255, 0.05);
  border-left: 3px solid var(--cyan-primary);
  padding: 1.2rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.8rem 0;
}

.about-highlight-box p {
  font-size: 0.98rem;
  color: var(--cyan-light);
  font-weight: 500;
  margin: 0;
  font-style: italic;
}

/* ==========================================================================
   References Section (14 Major Brands)
   ========================================================================== */
.references-section {
  padding: 6.5rem 0;
  position: relative;
}

.ref-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.ref-filter-btn {
  padding: 0.55rem 1.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: rgba(14, 23, 42, 0.6);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ref-filter-btn:hover, .ref-filter-btn.active {
  background: var(--cyan-primary);
  color: #040814;
  font-weight: 700;
  border-color: var(--cyan-primary);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.ref-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.ref-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card), 0 0 25px rgba(0, 240, 255, 0.15);
}

.ref-logo-wrap {
  height: 60px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  transition: transform var(--transition-fast);
}

.ref-card:hover .ref-logo-wrap {
  transform: scale(1.05);
}

.ref-logo-wrap img {
  max-height: 44px;
  max-width: 160px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
}

.ref-brand-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 0.35rem;
}

.ref-sector-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  color: var(--cyan-primary);
  border-radius: var(--radius-full);
  margin-bottom: 0.8rem;
}

.ref-solutions {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: auto;
}

/* ==========================================================================
   Interactive Cyber Risk Assessment Tool
   ========================================================================== */
.assessment-section {
  padding: 6rem 0;
  position: relative;
}

.assessment-box {
  background: linear-gradient(135deg, rgba(14, 23, 42, 0.9) 0%, rgba(10, 16, 32, 0.95) 100%);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  box-shadow: var(--shadow-card), var(--shadow-cyber);
  position: relative;
  overflow: hidden;
}

.assessment-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.assessment-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin: 2.5rem 0;
}

.assessment-field {
  background: rgba(6, 9, 19, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.assessment-field label {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 0.75rem;
}

.assessment-field select {
  width: 100%;
  background: rgba(14, 23, 42, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-main);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.assessment-field select:focus {
  border-color: var(--cyan-primary);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.assessment-field select option {
  background: #0b1122;
  color: #ffffff;
}

.assessment-result {
  background: rgba(6, 9, 19, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.risk-meter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.risk-score-badge {
  font-size: 1.8rem;
  font-weight: 900;
  font-family: var(--font-mono);
  padding: 0.5rem 1.8rem;
  border-radius: var(--radius-full);
}

.risk-low {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--green-secure);
  color: var(--green-secure);
}

.risk-medium {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--amber-warning);
  color: var(--amber-warning);
}

.risk-high {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--red-alert);
  color: var(--red-alert);
}

/* ==========================================================================
   Process Section (4 Aşamalı Yol Haritası)
   ========================================================================== */
.process-section {
  padding: 6.5rem 0;
  position: relative;
  background: rgba(11, 17, 34, 0.3);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  text-align: center;
  transition: all var(--transition-normal);
}

.process-card:hover {
  transform: translateY(-5px);
  border-color: var(--cyan-primary);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.15);
}

.process-step-num {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--cyan-primary);
  color: var(--cyan-primary);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.process-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 0.65rem;
}

.process-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 6.5rem 0;
  position: relative;
}

.faq-container {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--cyan-primary);
  background: var(--bg-card-hover);
}

.faq-question {
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-highlight);
}

.faq-icon {
  font-size: 1.1rem;
  color: var(--cyan-primary);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease;
  padding: 0 1.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.75rem 1.4rem;
}

/* ==========================================================================
   CTA Banner Section
   ========================================================================== */
.cta-section {
  padding: 5rem 0;
  position: relative;
}

.cta-banner {
  background: linear-gradient(135deg, rgba(0, 119, 255, 0.15) 0%, rgba(0, 240, 255, 0.15) 100%), var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  padding: 4rem 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  box-shadow: var(--shadow-card), 0 0 40px rgba(0, 240, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
  filter: blur(60px);
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.cta-title {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}

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

.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex-shrink: 0;
}

/* ==========================================================================
   Contact Section & Form
   ========================================================================== */
.contact-section {
  padding: 6.5rem 0;
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
}

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

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: all var(--transition-fast);
}

.contact-card:hover {
  border-color: var(--cyan-primary);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-primary);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-card-details h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 0.3rem;
}

.contact-card-details p, .contact-card-details a {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.contact-card-details a:hover {
  color: var(--cyan-primary);
}

/* Contact Form */
.contact-form-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(16px);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

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

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-highlight);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  background: rgba(6, 9, 19, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  color: var(--text-main);
  outline: none;
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--cyan-primary);
  background: rgba(6, 9, 19, 0.9);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.form-control::placeholder {
  color: var(--text-dim);
}

textarea.form-control {
  resize: vertical;
  min-height: 130px;
}

.form-status {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: none;
}

.form-status.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--green-secure);
  color: var(--green-secure);
  display: block;
}

.form-status.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--red-alert);
  color: var(--red-alert);
  display: block;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: rgba(4, 7, 15, 0.98);
  border-top: 1px solid var(--border-glass);
  padding: 5rem 0 2rem;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 1.25rem 0 1.5rem;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.footer-social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.footer-social-btn:hover {
  background: var(--cyan-primary);
  color: #040814;
  border-color: var(--cyan-primary);
  box-shadow: 0 0 15px var(--cyan-primary);
}

.footer-col h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 1.3rem;
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--cyan-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
}

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

.footer-links a i {
  font-size: 0.75rem;
  color: var(--cyan-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-glass);
  font-size: 0.85rem;
  color: var(--text-dim);
}

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

.footer-bottom-links a:hover {
  color: var(--cyan-primary);
}

/* ==========================================================================
   Modals (Service Detail Popup)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 7, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-dark-secondary);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  max-width: 680px;
  width: 100%;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-card), var(--shadow-cyber);
  transform: translateY(20px) scale(0.97);
  transition: all 0.3s ease;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--red-alert);
  color: #ffffff;
}

.modal-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--cyan-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-primary);
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
}

.modal-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-highlight);
  margin-bottom: 0.9rem;
}

.modal-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.modal-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.modal-spec-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.modal-spec-item i {
  color: var(--cyan-primary);
  margin-top: 4px;
}

/* ==========================================================================
   Floating Action Buttons (WhatsApp & Quick Call)
   ========================================================================== */
.floating-widgets {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  z-index: 99;
}

.floating-whatsapp {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-fast);
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
}

.back-to-top {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(14, 23, 42, 0.85);
  border: 1px solid var(--border-hover);
  color: var(--cyan-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

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

.back-to-top:hover {
  background: var(--cyan-primary);
  color: #040814;
}
