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

:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  --secondary: #0f172a;
  --secondary-light: #1e293b;
  --accent: #14b8a6;
  --accent-light: #ccfbf1;
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --border: #e2e8f0;
  --border-focus: #38bdf8;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --whatsapp: #25d366;
  --whatsapp-hover: #128c7e;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.05);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition: all 0.25s 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 {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

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

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

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

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

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

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--secondary-light);
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

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

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 12px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  border-radius: var(--radius-sm);
  display: block;
}

.dropdown-link:hover {
  background: var(--primary-light);
  color: var(--primary);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.35);
}

.btn-secondary {
  background: var(--surface);
  color: var(--secondary);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--surface-alt);
  color: var(--primary);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

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

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--secondary);
  margin: 5px 0;
  transition: var(--transition);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 6px 16px;
  border-radius: 9999px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--secondary);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-trust-bar {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.trust-item-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.trust-item-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
}

/* ==========================================================================
   REGULATORY & ETHICS ALERT
   ========================================================================== */
.compliance-banner {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 40px 0;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.compliance-icon {
  font-size: 24px;
  color: var(--primary);
  flex-shrink: 0;
}

.compliance-text h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 4px;
}

.compliance-text p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   SERVICES GRID & CARDS
   ========================================================================== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: #f8fafc;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px;
}

.section-tag {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-muted);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

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

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-xl);
}

.service-icon-box {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 24px;
  transition: var(--transition);
}

.service-card:hover .service-icon-box {
  background: var(--primary);
  color: #ffffff;
}

.service-card-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
}

.service-card-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}

.service-card-link {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.service-card-link:hover {
  gap: 12px;
}

/* ==========================================================================
   SERVICE DETAIL PAGE
   ========================================================================== */
.service-hero {
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
  padding: 60px 0 80px;
  border-bottom: 1px solid var(--border);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

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

.service-hero h1 {
  font-size: 44px;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.2;
  margin-bottom: 20px;
}

.service-hero p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 800px;
}

.service-content-wrapper {
  padding: 70px 0;
}

.service-main-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 40px;
}

.service-main-content h2, .service-main-content h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--secondary);
  margin: 32px 0 16px;
}

.service-main-content h2:first-child, .service-main-content h3:first-child {
  margin-top: 0;
}

.service-main-content p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}

.service-main-content ul, .service-main-content ol {
  margin: 20px 0 24px 24px;
  color: var(--text-muted);
  font-size: 16px;
}

.service-main-content li {
  margin-bottom: 10px;
  line-height: 1.6;
}

/* Accordion */
.faq-accordion {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  background: none;
  border: none;
  font-size: 17px;
  font-weight: 700;
  color: var(--secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: inherit;
}

.faq-question:hover {
  background: var(--surface-alt);
}

.faq-icon {
  font-size: 20px;
  color: var(--primary);
  transition: var(--transition);
}

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

.faq-answer {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   BLOG CARDS & DETAIL
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-lg);
}

.blog-card-img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: #e2e8f0;
}

.blog-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 12px;
}

.blog-category-badge {
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 9999px;
  font-weight: 700;
}

.blog-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1.35;
  margin-bottom: 12px;
}

.blog-card-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
  flex: 1;
}

/* Direct Answer Box in Blog Detail */
.direct-answer-box {
  background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
  border: 1px solid #99f6e4;
  border-left: 5px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 30px 0 40px;
}

.direct-answer-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  margin-bottom: 8px;
}

.direct-answer-text {
  font-size: 17px;
  font-weight: 600;
  color: var(--secondary);
  line-height: 1.6;
}

/* ==========================================================================
   PROJECTS / REFERENCES CARDS
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.project-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.project-body {
  padding: 24px;
}

.sample-badge {
  display: inline-block;
  background: #fef3c7;
  color: #b45309;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
  margin-bottom: 10px;
}

/* ==========================================================================
   FORMS & TEKLİF AL
   ========================================================================== */
.quote-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: inherit;
  color: var(--text-main);
  background: #ffffff;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

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

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
}

.form-checkbox-label input {
  margin-top: 4px;
}

/* ==========================================================================
   3-COLUMN FOOTER (ALT MENÜ)
   ========================================================================== */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 80px 0 0;
  margin-top: auto;
  border-top: 1px solid #1e293b;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid #1e293b;
}

.footer-brand h3 {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 15px;
  color: #94a3b8;
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 24px;
}

.footer-col h4 {
  font-size: 16px;
  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: #94a3b8;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #38bdf8;
  padding-left: 4px;
}

.footer-bottom {
  padding: 30px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: #64748b;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   WHATSAPP FLOATING WIDGET
   ========================================================================== */
.whatsapp-floating {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--whatsapp);
  color: #ffffff;
  padding: 12px 20px 12px 14px;
  border-radius: 9999px;
  box-shadow: 0 10px 25px -5px rgba(37, 211, 102, 0.4), 0 8px 10px -6px rgba(37, 211, 102, 0.2);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
}

.whatsapp-floating:hover {
  background: var(--whatsapp-hover);
  color: #ffffff;
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 14px 28px -4px rgba(37, 211, 102, 0.5);
}

.whatsapp-icon-circle {
  width: 38px;
  height: 38px;
  background: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--whatsapp);
  flex-shrink: 0;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 16px 22px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  box-shadow: var(--shadow-xl);
  color: #ffffff;
  animation: slideIn 0.3s ease;
}

.toast-success {
  background: #10b981;
}

.toast-error {
  background: #ef4444;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 42px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 72px;
  }
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    height: calc(100vh - 72px);
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 24px;
    gap: 20px;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: var(--transition);
  }
  .nav-menu.open {
    transform: translateX(0);
  }
  .mobile-toggle {
    display: block;
  }
  .header-actions .btn {
    display: none;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-subtitle {
    font-size: 17px;
  }
  .services-grid, .blog-grid, .projects-grid {
    grid-template-columns: 1fr;
  }
  .quote-card {
    padding: 28px 20px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .whatsapp-text {
    display: none;
  }
  .whatsapp-floating {
    padding: 10px;
    bottom: 20px;
    right: 20px;
  }
}