/* ==========================================================================
   DEZ BİLİŞİM TEKNOLOJİ VE DANIŞMANLIK
   Modern Enterprise Dark Theme Design System & Core Stylesheet
   Palette extracted from corporate logo: Deep Navy #102c40 & Vivid Teal #009a91
   ========================================================================== */

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

/* --- CSS Root Variables --- */
:root {
  /* Brand Colors from DEZ Logo */
  --dez-navy: #102c40;
  --dez-navy-dark: #0a1b27;
  --dez-navy-deep: #050e15;
  --dez-navy-light: #183e5a;
  --dez-navy-card: rgba(16, 44, 64, 0.55);
  
  --dez-teal: #009a91;
  --dez-teal-light: #00c7bb;
  --dez-teal-glow: rgba(0, 154, 145, 0.35);
  --dez-teal-soft: rgba(0, 154, 145, 0.12);
  --dez-cyan: #00e0d0;

  /* Surfaces & Backgrounds */
  --bg-body: #060e15;
  --bg-surface: #0a1824;
  --bg-surface-elevated: #0f2434;
  --bg-glass: rgba(16, 44, 64, 0.65);
  --bg-glass-strong: rgba(10, 26, 38, 0.88);
  --bg-card: rgba(15, 36, 52, 0.5);
  --bg-card-hover: rgba(22, 53, 76, 0.7);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #d6e2ec;
  --text-muted: #8ca4b6;
  --text-accent: #00c7bb;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(0, 154, 145, 0.22);
  --border-glass-hover: rgba(0, 210, 196, 0.45);
  --border-glow: 0 0 20px rgba(0, 154, 145, 0.25);

  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 10px 30px -10px rgba(0, 154, 145, 0.4);
  --shadow-teal: 0 0 35px -5px rgba(0, 154, 145, 0.3);

  /* Layout & Transitions */
  --container-max: 1280px;
  --nav-height: 82px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-secondary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle background ambient mesh */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    radial-gradient(circle at 15% 15%, rgba(0, 154, 145, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(16, 44, 64, 0.45) 0%, transparent 55%),
    radial-gradient(circle at 50% 50%, rgba(0, 199, 187, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: -2;
}

/* Subtle grid line overlay */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: -1;
}

/* --- Typography Helpers --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.75rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
}

h4 {
  font-size: 1.2rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--dez-teal-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--dez-cyan);
}

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

/* Selection */
::selection {
  background: var(--dez-teal);
  color: #ffffff;
}

/* --- Layout Containers --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 900px;
}

.container-wide {
  max-width: 1440px;
}

.section {
  padding-top: clamp(3.25rem, 5.5vw, 5rem);
  padding-bottom: clamp(3.25rem, 5.5vw, 5rem);
  position: relative;
}

.section-title-wrap {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2.75rem auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  background: var(--dez-teal-soft);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  color: var(--dez-teal-light);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dez-teal-light);
  box-shadow: 0 0 10px var(--dez-teal-light);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

.section-title {
  margin-bottom: 1.1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.15rem;
  line-height: 1.6;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, #ffffff 40%, var(--dez-teal-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-teal {
  background: linear-gradient(135deg, var(--dez-teal-light) 0%, var(--dez-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- Navigation Bar --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-normal);
  background: rgba(6, 14, 21, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header.scrolled {
  background: rgba(6, 14, 21, 0.94);
  border-bottom-color: var(--border-glass);
  box-shadow: var(--shadow-md);
  height: 74px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
  image-rendering: -webkit-optimize-contrast;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
}

.brand-logo-link:hover .brand-logo-img {
  transform: scale(1.02);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0.25rem;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--dez-teal-light);
  box-shadow: 0 0 8px var(--dez-teal-light);
  transition: width var(--transition-normal);
  border-radius: var(--radius-full);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* --- Language Switcher Pill --- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(14, 30, 43, 0.75);
  border: 1px solid rgba(0, 212, 180, 0.28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
  user-select: none;
  white-space: nowrap;
}

.lang-switch:hover {
  border-color: rgba(0, 212, 180, 0.55);
  background: rgba(18, 38, 54, 0.9);
  box-shadow: 0 0 15px rgba(0, 212, 180, 0.2);
}

.lang-switch .lang-icon {
  display: flex;
  align-items: center;
  color: var(--dez-teal-light);
  opacity: 0.95;
}

.lang-switch .lang-opt {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  transition: all var(--transition-fast);
  line-height: 1;
}

.lang-switch a.lang-opt:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.lang-switch .lang-opt.active {
  color: var(--dez-teal-light);
  font-weight: 700;
  text-shadow: 0 0 10px rgba(0, 212, 180, 0.45);
  cursor: default;
}

.lang-switch .lang-sep {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.75rem;
  line-height: 1;
}

/* Mobile Drawer Language Row */
.mobile-lang-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-lang-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--dez-teal) 0%, var(--dez-teal-light) 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(0, 154, 145, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--dez-teal-light) 0%, var(--dez-cyan) 100%);
  color: #060e15;
  box-shadow: 0 8px 25px rgba(0, 224, 208, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(16, 44, 64, 0.6);
  color: #ffffff;
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(22, 58, 84, 0.85);
  border-color: var(--dez-teal-light);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 154, 145, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
  border-color: var(--border-glass-hover);
  color: #ffffff;
  background: var(--dez-teal-soft);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 2.2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* Mobile Toggle Hamburger */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  color: #ffffff;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  width: 42px;
  height: 42px;
  justify-content: center;
  align-items: center;
}

.mobile-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #ffffff;
  transition: all var(--transition-fast);
}

.mobile-nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100vh;
  background: rgba(8, 20, 29, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-glass);
  z-index: 1001;
  padding: 2.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-normal);
  box-shadow: -15px 0 40px rgba(0, 0, 0, 0.7);
}

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

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-links .nav-link {
  font-size: 1.2rem;
  font-weight: 600;
  padding: 0.4rem 0;
}

.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

/* --- Hero Section --- */
.hero-section {
  padding-top: calc(var(--nav-height) + clamp(2.5rem, 5vw, 4.5rem));
  padding-bottom: clamp(2.5rem, 4.5vw, 3.5rem);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

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

.hero-title {
  margin-bottom: 1.35rem;
  line-height: 1.15;
}

.hero-description {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.2rem;
  max-width: 620px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.75rem;
}

/* Live Metric Ribbon */
.metrics-ribbon {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  padding: 1.75rem 2rem;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-top: 3.5rem;
}

.metric-item {
  position: relative;
}

.metric-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 15%;
  right: 0;
  height: 70%;
  width: 1px;
  background: var(--border-subtle);
}

.metric-number {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.metric-number .accent {
  color: var(--dez-teal-light);
}

.metric-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Hero Terminal / Telemetry Visual */
.hero-visual-card {
  position: relative;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-teal);
  transition: transform var(--transition-normal);
}

.hero-visual-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glass-hover);
}

.terminal-header {
  background: rgba(10, 24, 34, 0.9);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

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

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.terminal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.telemetry-node {
  background: rgba(8, 20, 29, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.95rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.telemetry-node:hover {
  border-color: var(--border-glass);
  background: rgba(12, 28, 40, 0.7);
}

.node-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
  min-width: 0;
}

.node-icon-box {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--dez-teal-soft);
  color: var(--dez-teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.node-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.35;
}

.node-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  line-height: 1.35;
  margin-top: 0.15rem;
}

.node-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #27c93f;
  background: rgba(39, 201, 63, 0.12);
  border: 1px solid rgba(39, 201, 63, 0.28);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-full);
  width: 105px;
  min-width: 105px;
  text-align: center;
  white-space: nowrap;
  flex-shrink: 0;
}

.node-status .live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #27c93f;
  animation: pulse-dot 1.8s infinite;
}

/* Visual Media Preview banner */
.hero-image-backdrop {
  height: 180px;
  position: relative;
  overflow: hidden;
}

.hero-image-backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7) contrast(1.15);
  transition: transform 0.6s ease;
}

.hero-visual-card:hover .hero-image-backdrop img {
  transform: scale(1.04);
}

.hero-image-backdrop::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, var(--bg-surface-elevated) 100%);
}

/* --- Founder & Leadership Section --- */
.founder-card {
  background: linear-gradient(145deg, rgba(16, 44, 64, 0.6) 0%, rgba(8, 20, 29, 0.85) 100%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 3.5rem);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-teal);
}

.founder-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(0, 154, 145, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.founder-grid {
  display: grid;
  grid-template-columns: minmax(320px, 390px) 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  position: relative;
  z-index: 2;
}

.founder-avatar-wrap {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Glowing DEZ "D" Monogram behind Deniz Bey */
.founder-ambient-mark {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  width: 440px;
  height: 470px;
  opacity: 0.15;
  filter: drop-shadow(0 0 35px rgba(0, 154, 145, 0.5));
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.founder-card:hover .founder-ambient-mark {
  opacity: 0.22;
  transform: translateX(-50%) scale(1.03);
}

.founder-avatar-frame {
  width: 100%;
  max-width: 370px;
  height: clamp(380px, 42vw, 480px);
  margin: 0 auto 1.5rem auto;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, var(--dez-navy-light) 0%, var(--dez-navy-dark) 100%);
  border: 2px solid rgba(0, 154, 145, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.65), 0 0 35px rgba(0, 154, 145, 0.22);
  overflow: hidden;
  z-index: 2;
}

.founder-avatar-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 12%;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.founder-avatar-frame:hover img {
  transform: scale(1.05);
}

.founder-avatar-frame::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, rgba(6, 17, 26, 0.88) 0%, rgba(6, 17, 26, 0.3) 50%, transparent 100%);
  pointer-events: none;
}

.founder-badge-pill {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(16, 44, 64, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--dez-teal-light);
  color: #ffffff;
  padding: 0.45rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.6), 0 0 12px rgba(0, 154, 145, 0.35);
  z-index: 3;
}

.founder-social-links {
  display: flex;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 0.5rem;
  position: relative;
  z-index: 3;
}

.founder-social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: rgba(16, 44, 64, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.founder-social-btn:hover {
  background: var(--dez-teal-soft);
  border-color: var(--dez-teal-light);
  color: #ffffff;
  transform: translateY(-2px);
}

.founder-content h3 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  margin-bottom: 0.35rem;
}

.founder-role {
  color: var(--dez-teal-light);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.founder-role-tag {
  background: rgba(0, 154, 145, 0.15);
  border: 1px solid rgba(0, 154, 145, 0.3);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--dez-cyan);
}

.founder-bio {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.founder-competencies {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.comp-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: rgba(8, 20, 29, 0.5);
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.comp-item svg {
  color: var(--dez-teal-light);
  flex-shrink: 0;
}

/* Founder Direct CTA Button */
.founder-cta-wrap {
  display: flex;
  align-items: center;
  width: 100%;
}

.founder-direct-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.founder-direct-btn .btn-direct-label {
  font-weight: 500;
}

.founder-direct-btn .btn-direct-email {
  font-weight: 700;
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--dez-teal-light), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glass-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--dez-teal-soft);
  border: 1px solid var(--border-glass);
  color: var(--dez-teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background: var(--dez-teal);
  color: #ffffff;
  transform: scale(1.08);
  box-shadow: 0 0 20px var(--dez-teal-glow);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.85rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.service-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

/* ==========================================================================
   Service Detail Deep-Dive Cards (hizmetler.html)
   ========================================================================== */
.service-detail-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: clamp(2.25rem, 4vw, 3.5rem);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  overflow: hidden;
}

.service-detail-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 199, 187, 0.45), transparent);
  pointer-events: none;
}

.service-detail-card:hover {
  border-color: rgba(0, 199, 187, 0.3);
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.45), 0 0 28px rgba(0, 154, 145, 0.12);
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

.service-detail-grid.reverse {
  grid-template-columns: 0.85fr 1.15fr;
}

.service-content {
  display: flex;
  flex-direction: column;
}

.service-content h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  margin-bottom: 0.9rem;
  line-height: 1.3;
  color: #ffffff;
}

.service-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-size: clamp(0.92rem, 1.2vw, 1rem);
}

.service-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
  padding: 0;
}

.service-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

.service-checklist li svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--dez-teal-light);
}

.service-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.4);
  aspect-ratio: 16 / 10;
  width: 100%;
}

.service-visual picture,
.service-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.service-detail-card:hover .service-visual img {
  transform: scale(1.03);
}

.service-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 65%, rgba(6, 11, 16, 0.45) 100%);
  pointer-events: none;
}

/* --- Enterprise Architecture Comparison / Differentiators --- */
.diff-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.diff-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  transition: all var(--transition-normal);
}

.diff-card:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-4px);
}

.diff-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(0, 154, 145, 0.2);
  line-height: 1;
  margin-bottom: 1rem;
}

.diff-card:hover .diff-number {
  color: var(--dez-teal-light);
}

.diff-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.85rem;
}

.diff-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* --- DEZ Iconic "D" Watermark Elements --- */
.brand-watermark {
  position: absolute;
  pointer-events: none;
  user-select: none;
  opacity: 0.04;
  z-index: 0;
  transition: opacity 0.5s ease;
}

.watermark-hero {
  top: 6%;
  right: -50px;
  width: 520px;
  height: 550px;
  transform: rotate(-10deg);
  opacity: 0.045;
}

.watermark-yaklasim {
  top: 50%;
  right: -80px;
  width: 580px;
  height: 620px;
  transform: translateY(-50%) rotate(8deg);
  opacity: 0.038;
}

.watermark-contact {
  bottom: -40px;
  right: -30px;
  width: 320px;
  height: 340px;
  transform: rotate(-12deg);
  opacity: 0.05;
}

/* --- Bespoke Advisory Methodology (Kuruma & İhtiyaca Özel Yaklaşım) --- */
.bespoke-grid, .engagement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  align-items: stretch;
  position: relative;
  z-index: 1;
}

.bespoke-card, .engagement-card {
  background: linear-gradient(160deg, rgba(16, 44, 64, 0.45) 0%, rgba(8, 20, 29, 0.88) 100%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all var(--transition-normal);
}

.bespoke-card:hover, .engagement-card:hover {
  transform: translateY(-5px);
  border-color: var(--dez-teal-light);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), var(--shadow-teal);
}

.bespoke-card.accent, .engagement-card.featured {
  border-color: rgba(0, 154, 145, 0.55);
  background: linear-gradient(160deg, rgba(16, 44, 64, 0.7) 0%, rgba(6, 17, 26, 0.95) 100%);
  box-shadow: 0 10px 30px rgba(0, 154, 145, 0.15);
}

.bespoke-step-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--dez-teal-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.bespoke-title, .engagement-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
  margin-bottom: 0.85rem;
}

.bespoke-desc, .engagement-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.bespoke-features, .engagement-features {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
}

.bespoke-features li, .engagement-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.bespoke-features li svg, .engagement-features li svg {
  color: var(--dez-teal-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.bespoke-quote {
  font-size: 0.84rem;
  font-style: italic;
  color: var(--dez-teal-light);
  background: rgba(0, 154, 145, 0.08);
  border-left: 2px solid var(--dez-teal-light);
  padding: 0.65rem 0.9rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: auto;
}

.bespoke-cta-banner {
  margin-top: 2.5rem;
  background: linear-gradient(135deg, rgba(16, 44, 64, 0.6) 0%, rgba(8, 20, 29, 0.85) 100%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.bespoke-cta-text h4 {
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 0.4rem;
}

.bespoke-cta-text p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 0;
  max-width: 680px;
  line-height: 1.6;
}

/* --- Executive Direct Contact Hub --- */
.executive-hub-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.executive-action-banner {
  background: linear-gradient(135deg, rgba(0, 154, 145, 0.15) 0%, rgba(16, 44, 64, 0.4) 100%);
  border: 1px solid rgba(0, 154, 145, 0.35);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.executive-action-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.executive-action-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.executive-buttons-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.copy-email-btn {
  background: rgba(16, 44, 64, 0.6);
  border: 1px solid var(--border-glass);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-email-btn:hover {
  background: rgba(0, 154, 145, 0.25);
  border-color: var(--dez-teal-light);
  color: var(--dez-teal-light);
}

.copy-email-btn.copied {
  background: #27c93f;
  border-color: #27c93f;
  color: #ffffff;
}

.executive-steps-card {
  background: rgba(6, 14, 21, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.executive-steps-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dez-teal-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.executive-steps-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.executive-step-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.step-num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--dez-teal-light);
}

.step-heading {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
}

.step-text {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--border-glass-hover);
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.75rem;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--dez-teal-light);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  padding: 0 1.75rem;
}

.faq-item.active .faq-answer {
  padding-bottom: 1.5rem;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Symmetrical Horizontal Contact Channels Architecture --- */
.contact-channels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.contact-channel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 2.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.contact-channel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
  transition: background var(--transition-normal);
}

.contact-channel-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 199, 187, 0.4);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 154, 145, 0.12);
}

.contact-channel-card:hover::before {
  background: linear-gradient(90deg, transparent, var(--dez-teal-light), transparent);
}

.contact-channel-card.featured {
  background: linear-gradient(180deg, rgba(0, 154, 145, 0.08) 0%, var(--bg-card) 60%);
  border-color: rgba(0, 199, 187, 0.35);
}

.contact-channel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.contact-channel-badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(0, 154, 145, 0.12);
  color: var(--dez-teal-light);
  border: 1px solid rgba(0, 199, 187, 0.25);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.contact-channel-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dez-teal-light);
  box-shadow: 0 0 6px var(--dez-teal-light);
}

.contact-channel-body {
  margin-bottom: 1.75rem;
}

.contact-channel-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.contact-channel-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.65rem;
  word-break: break-word;
}

.contact-channel-value a {
  color: #ffffff;
  transition: color var(--transition-fast);
}

.contact-channel-value a:hover {
  color: var(--dez-teal-light);
}

.contact-channel-desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.contact-channel-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: auto;
}

/* Bottom Full-Width NDA Banner */
.contact-nda-bar {
  background: rgba(8, 24, 34, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.contact-nda-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(0, 154, 145, 0.12);
  border: 1px solid rgba(0, 199, 187, 0.3);
  color: var(--dez-teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-nda-text {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.contact-nda-text strong {
  color: #ffffff;
  font-weight: 600;
  margin-right: 0.35rem;
}

.contact-form-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-lg);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.35rem;
}

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

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: rgba(6, 14, 21, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--dez-teal-light);
  box-shadow: 0 0 12px var(--dez-teal-glow);
  background: rgba(10, 24, 34, 0.85);
}

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

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-check input[type="checkbox"] {
  margin-top: 0.25rem;
  accent-color: var(--dez-teal);
  cursor: pointer;
  width: 16px;
  height: 16px;
}

/* --- Footer --- */
.site-footer {
  background: #03080c;
  border-top: 1px solid var(--border-glass);
  padding-top: 4.5rem;
  padding-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 1.25rem 0 1.5rem 0;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--dez-teal-light);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

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

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

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--dez-teal-light);
}

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 520px;
  background: rgba(10, 24, 34, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), var(--shadow-teal);
  z-index: 9999;
  transform: translateY(150%);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-banner.show {
  transform: translateY(0);
  opacity: 1;
}

.cookie-content h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cookie-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* --- Back to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  color: var(--dez-teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 900;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: scale(0.8);
  transition: all var(--transition-normal);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.back-to-top:hover {
  background: var(--dez-teal);
  color: #ffffff;
  border-color: var(--dez-teal-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--dez-teal-glow);
}

/* --- Feedback Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal-dialog {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 100%;
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-lg), var(--shadow-teal);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-dialog {
  transform: scale(1);
}

.modal-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--dez-teal-soft);
  border: 1px solid var(--border-glass);
  color: var(--dez-teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem auto;
  font-size: 1.75rem;
}

/* ==========================================================================
   Symmetrical & Modern Subpage Hero (Kurumsal, Hizmetler, İletişim)
   ========================================================================== */
.subpage-hero {
  position: relative;
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: 2.25rem;
  background: radial-gradient(ellipse 70% 60% at 50% -10%, rgba(0, 154, 145, 0.18) 0%, rgba(6, 11, 16, 0.98) 75%), var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  text-align: center;
}

.subpage-hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: min(800px, 85%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--dez-teal-light), transparent);
  pointer-events: none;
}

.subpage-hero-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 440px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 199, 187, 0.14) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 1;
}

.subpage-hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.subpage-hero .subpage-badge {
  margin: 0 auto 0.75rem auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.subpage-hero .subpage-title {
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin: 0 auto 0.75rem auto;
  max-width: 760px;
  text-wrap: balance;
}

.subpage-hero .subpage-lead {
  font-size: clamp(0.95rem, 1.4vw, 1.08rem);
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 660px;
  margin: 0 auto;
  text-wrap: pretty;
}

/* --- Legal Content Pages (KVKK, Çerez Politikası) --- */
.legal-page-header {
  padding-top: calc(var(--nav-height) + 3rem);
  padding-bottom: 2.5rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.legal-content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 3.5rem);
  margin-top: 3rem;
  margin-bottom: 5rem;
}

.legal-content-card h2 {
  font-size: 1.5rem;
  margin-top: 2.2rem;
  margin-bottom: 0.85rem;
  color: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.legal-content-card h3 {
  font-size: 1.2rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--dez-teal-light);
}

.legal-content-card p, .legal-content-card li {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.legal-content-card ul {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.legal-content-card li {
  margin-bottom: 0.5rem;
}

/* --- Animations & Utilities --- */
.fade-in-up {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1100px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .diff-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 900px) {
  .main-nav, .header-actions .btn {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .metrics-ribbon {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .metric-item:nth-child(2)::after {
    display: none;
  }

  .founder-card {
    padding: clamp(1.75rem, 4vw, 2.75rem) clamp(1.25rem, 3.5vw, 2.25rem);
    width: 100%;
    max-width: 100%;
  }

  .founder-grid {
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    text-align: center;
    gap: 2rem;
  }

  .founder-avatar-wrap {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
  }

  .founder-ambient-mark {
    width: 320px;
    height: 340px;
    max-width: 90%;
    top: -15px;
    opacity: 0.12;
  }

  .founder-avatar-frame {
    max-width: 310px;
    height: clamp(340px, 38vw, 420px);
    margin: 0 auto 1.25rem auto;
  }

  .founder-badge-pill {
    max-width: 92%;
    font-size: 0.82rem;
    padding: 0.4rem 1rem;
    white-space: nowrap;
  }

  .founder-social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    width: 100%;
    margin: 0.5rem auto 1.5rem auto;
  }

  .founder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .founder-content .section-badge {
    margin: 0 auto 0.85rem auto !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .founder-content h3 {
    text-align: center;
    width: 100%;
    margin-bottom: 0.5rem;
  }

  .founder-role {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.45rem;
    width: 100%;
    margin: 0 auto 1.25rem auto;
  }

  .founder-role-tag {
    text-align: center;
    white-space: normal;
    line-height: 1.4;
    padding: 0.35rem 0.85rem;
    max-width: 100%;
    display: inline-block;
  }

  .founder-bio {
    text-align: center;
    width: 100%;
    max-width: 100%;
    font-size: 0.98rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
  }

  .founder-competencies {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 440px;
    margin: 0 auto 1.75rem auto;
    gap: 0.65rem;
  }

  .comp-item {
    text-align: left;
    width: 100%;
    justify-content: flex-start;
  }

  .founder-cta-wrap,
  .founder-content > div:last-child {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 0.5rem;
  }

  .founder-direct-btn {
    width: 100%;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.25rem;
    padding: 0.85rem 1.25rem;
    margin: 0 auto;
    white-space: normal !important;
    line-height: 1.35;
  }

  .founder-direct-btn svg {
    margin-bottom: 2px;
  }

  .founder-direct-btn .btn-direct-label {
    font-size: 0.82rem;
    opacity: 0.85;
    font-weight: 500;
  }

  .founder-direct-btn .btn-direct-email {
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    word-break: break-all;
  }

  .bespoke-grid,
  .engagement-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-channels-grid {
    grid-template-columns: 1fr;
  }

  .contact-channels-grid .contact-channel-card:last-child {
    grid-column: span 1;
  }

  .contact-nda-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.25rem;
  }

  .brand-watermark {
    opacity: 0.025;
  }

  .watermark-hero {
    right: -20px;
    width: 280px;
    height: 300px;
  }

  .watermark-yaklasim {
    right: -30px;
    width: 320px;
    height: 340px;
  }

  .watermark-contact {
    right: -20px;
    width: 220px;
    height: 240px;
  }

  /* Hizmetler Page - Mobile Visual & Content Progression */
  .service-detail-card {
    padding: clamp(1.35rem, 4vw, 1.75rem) clamp(1.1rem, 3.5vw, 1.5rem);
    margin-bottom: 2rem;
    border-radius: var(--radius-lg);
  }

  .service-detail-grid,
  .service-detail-grid.reverse {
    display: flex !important;
    flex-direction: column !important;
    gap: 1.5rem !important;
  }

  /* "mobilde görsel içerik şeklinde ilerlemeli"
     Visual ALWAYS on top (order 1), Content below (order 2) */
  .service-visual {
    order: 1 !important;
    width: 100% !important;
    max-width: 100% !important;
    aspect-ratio: 16 / 9;
    max-height: 250px;
    margin: 0 0 0.25rem 0 !important;
  }

  .service-content {
    order: 2 !important;
    width: 100% !important;
    text-align: left !important;
  }

  .service-content .section-badge {
    margin: 0 0 0.65rem 0 !important;
    display: inline-flex !important;
    align-self: flex-start !important;
  }

  .service-content h2 {
    font-size: clamp(1.35rem, 4.5vw, 1.65rem);
    margin-bottom: 0.75rem;
    text-align: left;
  }

  .service-content p {
    font-size: 0.94rem;
    line-height: 1.65;
    margin-bottom: 1.15rem;
    text-align: left;
  }

  .service-checklist {
    gap: 0.65rem;
    margin-bottom: 1.35rem;
  }

  .service-checklist li {
    font-size: 0.88rem;
    line-height: 1.5;
  }

  .service-content .btn {
    width: 100%;
    justify-content: center;
  }

  /* Subpage Hero Tablet / Mobile */
  .subpage-hero {
    padding-top: calc(var(--nav-height) + 1.5rem);
    padding-bottom: 1.75rem;
  }
  .subpage-hero .subpage-badge {
    margin-bottom: 0.65rem;
    font-size: 0.8rem;
    padding: 0.35rem 0.9rem;
  }
  .subpage-hero .subpage-title {
    font-size: clamp(1.6rem, 5vw, 2.1rem);
    margin-bottom: 0.65rem;
  }
  .subpage-hero .subpage-lead {
    font-size: 0.94rem;
    line-height: 1.6;
    padding: 0 0.5rem;
  }
}

@media (max-width: 576px) {
  .subpage-hero {
    padding-top: calc(var(--nav-height) + 1.25rem);
    padding-bottom: 1.5rem;
  }
  .subpage-hero .subpage-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }
  .subpage-hero .subpage-lead {
    font-size: 0.88rem;
  }

  .service-detail-card {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-md);
  }

  .service-visual {
    max-height: 200px;
    border-radius: var(--radius-md);
  }

  .service-content h2 {
    font-size: 1.28rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .executive-steps-list {
    grid-template-columns: 1fr;
  }

  .metrics-ribbon {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .metric-item::after {
    display: none !important;
  }

  .founder-card {
    padding: 1.75rem 1rem;
    border-radius: var(--radius-lg);
  }

  .founder-avatar-frame {
    max-width: 260px;
    height: 320px;
  }

  .founder-ambient-mark {
    width: 220px;
    height: 240px;
    top: -5px;
    opacity: 0.1;
  }

  .founder-badge-pill {
    font-size: 0.78rem;
    padding: 0.35rem 0.85rem;
    bottom: 12px;
  }

  .founder-social-btn {
    padding: 0.45rem 0.85rem;
    font-size: 0.8rem;
  }

  .founder-bio {
    font-size: 0.92rem;
    line-height: 1.65;
  }

  .founder-competencies {
    max-width: 100%;
  }

  .founder-direct-btn {
    max-width: 100%;
    padding: 0.8rem 1rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cookie-banner {
    left: 12px;
    right: 12px;
    bottom: 12px;
    padding: 1.25rem;
  }
}