/* ==========================================================================
   POLİMAN YALITIM — LAYOUT & GRID ARCHITECTURE
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.container-fluid {
  max-width: 100%;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* 12-Column Flexible Grid */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-12 { grid-template-columns: repeat(12, 1fr); }
.grid-6  { grid-template-columns: repeat(6, 1fr); }
.grid-4  { grid-template-columns: repeat(4, 1fr); }
.grid-3  { grid-template-columns: repeat(3, 1fr); }
.grid-2  { grid-template-columns: repeat(2, 1fr); }
.grid-1  { grid-template-columns: 1fr; }

/* Grid Spanning */
.col-12 { grid-column: span 12; }
.col-10 { grid-column: span 10; }
.col-9  { grid-column: span 9; }
.col-8  { grid-column: span 8; }
.col-7  { grid-column: span 7; }
.col-6  { grid-column: span 6; }
.col-5  { grid-column: span 5; }
.col-4  { grid-column: span 4; }
.col-3  { grid-column: span 3; }
.col-2  { grid-column: span 2; }

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ==========================================================================
   TOP BAR (Bilgi & İletişim Bandı)
   ========================================================================== */
/* ==========================================================================
   TOP BAR (Bilgi & İletişim Bandı)
   ========================================================================== */
.site-topbar {
  background-color: var(--primary-dark);
  color: #CBD5E1;
  font-size: 0.84rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  white-space: nowrap;
}

.topbar-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  white-space: nowrap;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  white-space: nowrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.topbar-item svg {
  color: var(--accent);
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.topbar-item a:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  border-bottom-color: rgba(226, 232, 240, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  height: 80px;
  transition: height var(--transition-normal);
  white-space: nowrap;
  flex-wrap: nowrap;
}

.site-header.is-scrolled .header-inner {
  height: 66px;
}

/* Logo Area */
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.site-logo-img {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  transition: transform var(--transition-fast), height var(--transition-fast);
}

.site-header.is-scrolled .site-logo-img {
  height: 44px;
}

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

.site-logo-img-footer {
  height: 48px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  background-color: #FFFFFF;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: transform var(--transition-fast);
}

.site-logo-img-footer:hover {
  transform: scale(1.03);
}

.logo-badge {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-badge::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 14px;
  height: 14px;
  background-color: var(--accent);
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
}

.logo-text {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.logo-brand {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary-dark);
  line-height: 1.1;
  white-space: nowrap;
}

.logo-brand span {
  color: var(--accent);
}

.logo-tagline {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

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

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  flex-direction: column;
  padding: 10px 18px;
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--surface-alt);
}

.dropdown-item-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--dark);
}

.dropdown-item-desc {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.3;
  margin-top: 2px;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.btn-header-call {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 0.92rem;
}

.btn-header-call svg {
  color: var(--accent);
}

.btn-header-call:hover {
  color: var(--accent);
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--dark);
}

/* ==========================================================================
   FOOTER (5 Kolon Kurumsal & Yasal)
   ========================================================================== */
.site-footer {
  background-color: var(--primary-dark);
  color: #E2E8F0;
  margin-top: auto;
  border-top: 4px solid var(--accent);
}

.footer-top {
  padding: var(--space-16) 0 var(--space-12);
}

.footer-col-title {
  color: #FFFFFF;
  font-size: 1.12rem;
  margin-bottom: var(--space-5);
  position: relative;
  padding-bottom: 10px;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 3px;
  background-color: var(--accent);
  border-radius: var(--radius-xs);
}

.footer-about-text {
  font-size: 0.9rem;
  color: #94A3B8;
  line-height: 1.65;
  margin-bottom: var(--space-4);
}

.footer-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: #F8FAFC;
  font-weight: 500;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: #FFFFFF;
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: #94A3B8;
}

.footer-contact-item svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 4px;
}

.footer-bottom {
  background-color: #07192C;
  padding: var(--space-6) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.84rem;
  color: #64748B;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-legal-links {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.footer-legal-links a:hover {
  color: #E2E8F0;
}

/* ==========================================================================
   MOBILE BOTTOM STICKY BAR
   ========================================================================== */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #FFFFFF;
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  z-index: 999;
  padding: 8px 12px;
}

.mobile-sticky-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1.3fr;
  gap: 8px;
}

.mobile-sticky-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6px 4px;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  font-weight: 700;
  text-align: center;
  gap: 3px;
}

.mobile-sticky-btn svg {
  width: 18px;
  height: 18px;
}

.btn-mob-call {
  background-color: var(--surface-alt);
  color: var(--primary-dark);
}

.btn-mob-whatsapp {
  background-color: #E8F5E9;
  color: #1B5E20;
}

.btn-mob-quote {
  background-color: var(--accent);
  color: #FFFFFF;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (1200 / 1024 / 768 / 480)
   ========================================================================== */
@media (max-width: 1024px) {
  .nav-menu {
    display: none; /* Mobilde JS ile açılır */
  }
  .mobile-nav-toggle {
    display: block;
  }
  .header-actions .btn-header-call {
    display: none;
  }
  .topbar-left .topbar-hide-tablet {
    display: none;
  }
  .grid-12 { grid-template-columns: repeat(6, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .site-topbar {
    display: none;
  }
  .grid-12, .grid-6, .grid-4, .grid-3, .grid-2 {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .col-12, .col-10, .col-9, .col-8, .col-7, .col-6, .col-5, .col-4, .col-3, .col-2 {
    grid-column: span 1;
  }
  .mobile-sticky-bar {
    display: block;
  }
  body {
    padding-bottom: 70px;
  }

  /* MOBİL FOOTER MERKEZİ & RESPONSIVE TASARIMI */
  .site-footer {
    text-align: center;
    padding-bottom: 70px;
  }

  .footer-top {
    padding: 32px 0 20px 0;
  }

  .site-footer .grid-12 > div {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .site-footer .grid-12 > div:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }

  .site-footer .site-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 0 auto 16px auto;
  }

  .site-logo-img-footer {
    margin: 0 auto;
    display: block;
    max-width: 180px;
    height: auto;
  }

  .footer-about-text {
    text-align: center;
    max-width: 440px;
    margin: 0 auto 16px auto;
    font-size: 0.88rem;
    line-height: 1.6;
  }

  .footer-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin: 0 auto;
    width: 100%;
  }

  .footer-col-title {
    text-align: center;
    font-size: 1.1rem;
    margin-top: 0;
    margin-bottom: 16px;
    padding-bottom: 10px;
    width: 100%;
  }

  .footer-col-title::after {
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0;
    margin: 0;
    list-style: none;
    width: 100%;
  }

  .footer-links li {
    width: 100%;
    text-align: center;
    margin-bottom: 8px;
  }

  .footer-links a {
    display: inline-block;
    text-align: center;
    color: #CBD5E1;
    font-size: 0.92rem;
    padding: 4px 0;
  }

  .footer-contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 6px;
    margin-bottom: 16px;
    width: 100%;
  }

  .footer-contact-item svg {
    margin-top: 0;
    width: 22px;
    height: 22px;
  }

  .footer-contact-item span,
  .footer-contact-item a {
    text-align: center;
    word-break: break-word;
  }

  .footer-bottom {
    padding: 20px 0;
  }

  .footer-bottom-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
  }

  .footer-legal-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px 16px;
    flex-wrap: wrap;
  }
}