/* ==========================================================================
   11 Hopem Software Limited Şirketi (11hopem.com)
   Design System & Modern Stylesheet
   ========================================================================== */

:root {
  --bg-dark: #07090e;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(6, 182, 212, 0.4);
  
  --primary: #06b6d4;      /* Cyber Cyan */
  --primary-glow: rgba(6, 182, 212, 0.3);
  --secondary: #6366f1;    /* Electric Indigo */
  --accent: #10b981;       /* Emerald */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Ambient Radial Glow in Background */
body::before {
  content: '';
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(99, 102, 241, 0.08) 50%, transparent 80%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  bottom: -200px;
  right: -100px;
  width: 700px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, rgba(16, 185, 129, 0.05) 50%, transparent 80%);
  z-index: -1;
  pointer-events: none;
}

/* Typography & Utilities */
a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 6px 16px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-top: 14px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 40%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.125rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.5);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20ba59;
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 9, 14, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.header.scrolled {
  background: rgba(7, 9, 14, 0.95);
  border-bottom-color: rgba(6, 182, 212, 0.2);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-smooth);
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 170px;
  padding-bottom: 100px;
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 960px;
  margin: 0 auto;
}

.hero-domain-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(6, 182, 212, 0.4);
  padding: 8px 20px;
  border-radius: 9999px;
  margin-bottom: 28px;
  box-shadow: 0 4px 25px rgba(6, 182, 212, 0.15);
}

.status-dot {
  width: 10px;
  height: 10px;
  background-color: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, #06b6d4 0%, #38bdf8 30%, #818cf8 70%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Stats Row */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1050px;
  margin: 0 auto;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 24px 18px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 4px;
}

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

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 36px 30px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.4);
  background: var(--bg-card-hover);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

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

.service-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 22px;
}

.service-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: #93c5fd;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   Leadership & CEO Section
   ========================================================================== */
.ceo-card {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.9) 0%, rgba(10, 15, 29, 0.95) 100%);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 24px;
  padding: 50px;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(16px);
}

.ceo-avatar-wrapper {
  text-align: center;
  position: relative;
}

.ceo-avatar-frame {
  width: 240px;
  height: 240px;
  margin: 0 auto 20px;
  border-radius: 50%;
  padding: 6px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 10px 30px rgba(6, 182, 212, 0.3);
}

.ceo-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background-color: #0b0f19;
}

.ceo-name {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
}

.ceo-role {
  font-size: 1rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.ceo-socials {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.ceo-social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.ceo-social-link:hover {
  background: var(--primary);
  color: #000;
  transform: translateY(-2px);
}

.ceo-quote {
  font-size: 1.25rem;
  font-style: italic;
  color: #f1f5f9;
  border-left: 3px solid var(--primary);
  padding-left: 20px;
  margin-bottom: 24px;
  line-height: 1.7;
}

.ceo-bio {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 28px;
  line-height: 1.8;
}

.proven-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.proven-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 14px;
}

.proven-item h4 {
  font-size: 0.95rem;
  color: #ffffff;
  margin-bottom: 4px;
}

.proven-item p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Tech Stack Grid
   ========================================================================== */
.tech-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  max-width: 920px;
  margin: 0 auto;
}

.tech-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: 9999px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  font-weight: 600;
  color: #cbd5e1;
  transition: var(--transition-smooth);
}

.tech-pill:hover {
  border-color: var(--primary);
  color: #ffffff;
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.2);
}

/* ==========================================================================
   Contact & Quote Section
   ========================================================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 48px;
  backdrop-filter: blur(16px);
}

.contact-info-col h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}

.contact-info-col p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 32px;
}

.contact-detail-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 24px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-detail-content h4 {
  font-size: 1rem;
  color: #ffffff;
  margin-bottom: 4px;
}

.contact-detail-content a, .contact-detail-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.2s;
}

.contact-detail-content a:hover {
  color: var(--primary);
}

/* Form Styles */
.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #e2e8f0;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  background: rgba(10, 15, 29, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: #ffffff;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

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

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.825rem;
  color: var(--text-muted);
  cursor: pointer;
}

.form-checkbox-label input {
  margin-top: 3px;
}

.form-feedback {
  grid-column: span 2;
  padding: 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: #04060a;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 36px;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.925rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 28px;
  font-size: 0.875rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Modals (KVKK, Privacy, Cookies, Terms, Impressum)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-dialog {
  background: #0f172a;
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 20px;
  max-width: 800px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  padding: 20px 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.25rem;
  color: #ffffff;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close-btn:hover {
  color: #ffffff;
}

.modal-body {
  padding: 28px;
  overflow-y: auto;
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.8;
}

.modal-body h4 {
  color: var(--primary);
  margin-top: 20px;
  margin-bottom: 8px;
}

.modal-footer {
  padding: 16px 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: right;
}

/* ==========================================================================
   Cookie Banner
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 600px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: 16px;
  padding: 20px 24px;
  z-index: 1500;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  display: none;
  animation: slideUp 0.4s ease;
}

@keyframes slideUp {
  from { transform: translateY(50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cookie-content {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.cookie-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ==========================================================================
   Trust Bar & Social Proof Strip
   ========================================================================== */
.trust-strip {
  padding: 30px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(10, 15, 29, 0.4);
  margin-top: 48px;
}

.trust-strip-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-dim);
}

.trust-badges {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.trust-badge-item:hover {
  color: #ffffff;
  transform: translateY(-2px);
}

.trust-badge-item span.icon {
  font-size: 1.25rem;
}

/* ==========================================================================
   Case Studies (Vaka Analizleri)
   ========================================================================== */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.case-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.case-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.case-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(6, 182, 212, 0.1);
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid rgba(6, 182, 212, 0.2);
  text-transform: uppercase;
}

.case-client {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dim);
}

.case-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  line-height: 1.3;
}

.case-row {
  margin-bottom: 14px;
}

.case-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
}

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

.case-metrics-box {
  background: rgba(10, 15, 29, 0.8);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 12px;
  padding: 16px 20px;
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.case-metric-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: #38bdf8;
}

.case-metric-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Interactive Project Scope & Cost Estimator
   ========================================================================== */
.estimator-container {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.85) 0%, rgba(10, 15, 29, 0.95) 100%);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: 24px;
  padding: 44px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(16px);
}

.estimator-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: start;
}

.estimator-step {
  margin-bottom: 32px;
}

.estimator-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: #000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.option-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
  user-select: none;
}

.option-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(6, 182, 212, 0.3);
}

.option-card.selected {
  background: rgba(6, 182, 212, 0.12);
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
}

.option-icon {
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.option-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
}

.option-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* Feature Checklist */
.features-checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.feature-check-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.feature-check-item:hover {
  border-color: rgba(6, 182, 212, 0.3);
}

.feature-check-item.selected {
  border-color: var(--primary);
  background: rgba(6, 182, 212, 0.08);
}

.feature-check-item input {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.feature-check-name {
  font-size: 0.875rem;
  color: #e2e8f0;
  font-weight: 500;
}

/* Estimator Live Output Card */
.estimate-summary-card {
  background: rgba(10, 15, 29, 0.95);
  border: 1px solid rgba(6, 182, 212, 0.4);
  border-radius: 20px;
  padding: 32px;
  position: sticky;
  top: 100px;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.6);
}

.summary-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.estimate-metric {
  margin-bottom: 24px;
}

.estimate-metric-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 4px;
}

.estimate-price-range {
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, #06b6d4 0%, #38bdf8 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.estimate-timeline {
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
}

.summary-included-list {
  list-style: none;
  margin-bottom: 28px;
}

.summary-included-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.summary-included-list li span.check {
  color: var(--accent);
  font-weight: 800;
}

/* ==========================================================================
   4-Step Delivery Process
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 30px 24px;
  position: relative;
  transition: var(--transition-smooth);
}

.process-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.process-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(6, 182, 212, 0.2);
  margin-bottom: 12px;
  line-height: 1;
}

.process-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.process-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Comparison Table (11 Hopem vs Others)
   ========================================================================== */
.comparison-wrapper {
  overflow-x: auto;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.95rem;
}

.comparison-table th {
  background: rgba(10, 15, 29, 0.9);
  color: var(--text-dim);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.8px;
}

.comparison-table th.highlight-col {
  background: rgba(6, 182, 212, 0.12);
  color: #38bdf8;
  font-weight: 800;
}

.comparison-table td.highlight-col {
  background: rgba(6, 182, 212, 0.05);
  font-weight: 600;
  color: #ffffff;
}

.comparison-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.status-badge-bad {
  color: #f87171;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-badge-ok {
  color: #fbbf24;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-badge-pro {
  color: #34d399;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
}

/* ==========================================================================
   Guarantees & Risk Reversal
   ========================================================================== */
.guarantees-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.guarantee-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: var(--transition-smooth);
}

.guarantee-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  background: rgba(15, 23, 42, 0.9);
}

.guarantee-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.guarantee-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.guarantee-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item.active {
  border-color: rgba(6, 182, 212, 0.4);
}

.faq-question {
  padding: 22px 26px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq-toggle-icon {
  font-size: 1.3rem;
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 26px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}

/* ==========================================================================
   Strategy Call Banner (Lead Magnet)
   ========================================================================== */
.strategy-banner {
  background: radial-gradient(circle at top right, rgba(6, 182, 212, 0.15), transparent 60%),
              radial-gradient(circle at bottom left, rgba(99, 102, 241, 0.15), transparent 60%),
              rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  margin: 60px 0;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.strategy-banner h3 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
}

.strategy-banner p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto 32px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
  .estimator-layout {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guarantees-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ceo-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 36px 24px;
  }
  .ceo-quote {
    border-left: none;
    border-top: 2px solid var(--primary);
    padding-left: 0;
    padding-top: 16px;
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: #07090e;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .nav-menu.open {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .option-grid {
    grid-template-columns: 1fr;
  }
  .features-checklist {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .guarantees-grid {
    grid-template-columns: 1fr;
  }
  .proven-track {
    grid-template-columns: 1fr;
  }
  .contact-form {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .strategy-banner {
    padding: 36px 20px;
  }
  .ref-projects-grid {
    grid-template-columns: 1fr !important;
  }
  .portfolio-tabs {
    flex-wrap: wrap;
  }
}

/* ==========================================================================
   Banking Heritage & References Showcase
   ========================================================================== */
.banking-badge-strip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
  border: 1px solid rgba(6, 182, 212, 0.4);
  padding: 10px 24px;
  border-radius: 9999px;
  margin-bottom: 24px;
  font-size: 0.95rem;
  font-weight: 700;
  color: #38bdf8;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

.portfolio-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.portfolio-tab-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 10px 22px;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.portfolio-tab-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(6, 182, 212, 0.3);
}

.portfolio-tab-btn.active {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.35);
}

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

.ref-project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.ref-project-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  background: var(--bg-card-hover);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.ref-project-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.ref-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  text-transform: uppercase;
}

.badge-fintech {
  background: rgba(6, 182, 212, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-iot {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-gov {
  background: rgba(168, 85, 247, 0.12);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.badge-audit {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.ref-company {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
}

.ref-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 8px;
}

.ref-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.ref-tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.ref-tech-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  color: #94a3b8;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ref-role-box {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.22);
  padding: 5px 11px;
  border-radius: 6px;
  font-size: 0.78rem;
  color: #38bdf8;
  font-weight: 600;
  margin-bottom: 14px;
  line-height: 1.4;
}

.ref-role-box strong {
  color: #f1f5f9;
}

.legal-disclaimer-box {
  margin-top: 40px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 14px;
  padding: 22px 26px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.legal-disclaimer-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.legal-disclaimer-text {
  font-size: 0.84rem;
  line-height: 1.65;
  color: #94a3b8;
}

.legal-disclaimer-text strong {
  color: #e2e8f0;
}

/* ==========================================================================
   Live SaaS & Web Projects Showcase Styles
   ========================================================================== */
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.14);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
  letter-spacing: 0.02em;
}

.live-badge-tech {
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.85);
  }
}

.live-project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.live-project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #06b6d4, #3b82f6, #10b981);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.live-project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.4);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
}

.live-project-card:hover::before {
  opacity: 1;
}

.live-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(59, 130, 246, 0.25) 100%);
  border: 1px solid rgba(6, 182, 212, 0.4);
  text-decoration: none;
  transition: all 0.25s ease;
  margin-top: 20px;
  width: 100%;
}

.live-btn:hover {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 6px 22px rgba(6, 182, 212, 0.45);
  transform: translateY(-2px);
}

.live-btn-app {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  color: #94a3b8;
  cursor: default;
}

.live-btn-app:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  color: #e2e8f0;
  box-shadow: none;
  transform: none;
}

.badge-live-ecom {
  background: rgba(236, 72, 153, 0.12);
  color: #f472b6;
  border: 1px solid rgba(236, 72, 153, 0.3);
}

.badge-live-ai {
  background: rgba(168, 85, 247, 0.14);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.35);
}

.badge-live-edtech {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-live-crm {
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-live-portfolio {
  background: rgba(6, 182, 212, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-live-mobile {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* ==========================================================================
   Language Switcher Component (TR / EN)
   ========================================================================== */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 9999px;
  padding: 3px 4px;
  gap: 2px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lang-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  line-height: 1;
  letter-spacing: 0.04em;
  font-family: inherit;
}

.lang-btn:hover {
  color: #f1f5f9;
  background: rgba(255, 255, 255, 0.08);
}

.lang-btn.active {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(6, 182, 212, 0.45);
}

@media (max-width: 900px) {
  .lang-switcher-mobile {
    display: flex;
    justify-content: center;
    margin: 16px auto 8px;
    width: max-content;
  }
}