/* ==========================================================================
   PRESTİJ ÇELİK YAPI İNŞAAT - KURUMSAL TASARIM SİSTEMİ
   Tasarım Referansı: Consulto & Billdins Mimari Kurumsal Estetiği
   Renk Paleti: Derin Gece Mavisi (#0B1727), Kraliyet Mavisi (#0052CC),
   Prestij Altın Vurgu (#C59B27 / #E5B842), Arka Plan (#F8FAFC / #FFFFFF)
   ========================================================================== */

:root {
  /* Renkler */
  --color-primary: #0052CC;
  --color-primary-dark: #003B94;
  --color-primary-light: #2684FF;
  --color-navy: #0B1727;
  --color-navy-dark: #070F1A;
  --color-navy-light: #162438;
  --color-gold: #C59B27;
  --color-gold-light: #E5B842;
  --color-gold-dark: #9A7615;
  --color-surface: #FFFFFF;
  --color-surface-soft: #F8FAFC;
  --color-surface-muted: #EEF2F6;
  --color-border: #E2E8F0;
  --color-border-dark: #23354E;
  --color-text-main: #1E293B;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;
  --color-text-inverse: #FFFFFF;
  --color-success: #10B981;
  --color-whatsapp: #25D366;

  /* Tipografi */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', var(--font-sans);
  --font-serif: 'Playfair Display', Georgia, serif;

  /* Ölçüler & Gölgeler */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(11, 23, 39, 0.1), 0 4px 6px -2px rgba(11, 23, 39, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(11, 23, 39, 0.15), 0 10px 10px -5px rgba(11, 23, 39, 0.04);
  --shadow-glow: 0 0 25px rgba(0, 82, 204, 0.35);
  --shadow-gold: 0 8px 20px rgba(197, 155, 39, 0.25);

  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1280px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-surface);
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
  position: relative;
  padding-bottom: 70px; /* Mobil alt bar için alan */
}

@media (min-width: 992px) {
  body {
    padding-bottom: 0;
  }
}

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

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

button, input, select, textarea {
  font: inherit;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* Konteyner */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

@media (max-width: 767px) {
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }
}

/* Tipografik Yardımcılar */
.font-serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-gold-light);
}

.text-gold {
  color: var(--color-gold);
}

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

.text-white {
  color: #FFFFFF;
}

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

/* Section Başlık Komponenti */
.sec-header {
  margin-bottom: 48px;
}

.sec-header.text-center {
  text-align: center;
}

.sec-tagline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.sec-tagline .line {
  display: inline-block;
  width: 30px;
  height: 2px;
  background-color: var(--color-gold);
}

.sec-tagline.gold {
  color: var(--color-gold);
}

.sec-tagline.gold .line {
  background-color: var(--color-gold);
}

.sec-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-navy);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.sec-title.text-white {
  color: #FFFFFF;
}

.sec-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 720px;
  line-height: 1.7;
}

.sec-header.text-center .sec-desc {
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   ÜST BİLGİ & MENÜ (TOPBAR & HEADER)
   ========================================================================== */
.topbar {
  display: none;
  background-color: var(--color-navy-dark);
  color: #94A3B8;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
}

@media (min-width: 1024px) {
  .topbar {
    display: block;
  }
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar-contacts {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

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

.topbar-item svg {
  width: 14px;
  height: 14px;
  color: var(--color-gold);
}

.topbar-item a:hover {
  color: var(--color-gold-light);
}

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

.topbar-phone {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.84rem;
  padding: 3px 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-full);
  transition: var(--transition);
  text-decoration: none;
}

.topbar-phone svg {
  width: 13px;
  height: 13px;
  color: var(--color-gold-light);
  flex-shrink: 0;
}

.topbar-phone:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-navy-dark);
}

.topbar-phone:hover svg {
  color: var(--color-navy-dark);
}

.topbar-badge {
  background: rgba(197, 155, 39, 0.15);
  color: var(--color-gold-light);
  border: 1px solid rgba(197, 155, 39, 0.3);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}

.topbar-socials {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-socials a {
  color: #94A3B8;
  display: flex;
  align-items: center;
  justify-content: center;
}

.topbar-socials a:hover {
  color: var(--color-gold-light);
}

/* Ana Header / Navigasyon */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #FFFFFF;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  width: 100%;
}

.main-header.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 24px;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  min-width: 0;
}

.logo-brand img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: height var(--transition);
}

.brand-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
  justify-content: center;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-navy);
  line-height: 1.15;
  white-space: nowrap;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

@media (max-width: 1023px) {
  .header-inner {
    padding: 10px 0;
    gap: 12px;
  }
  .logo-brand {
    gap: 10px;
  }
  .logo-brand img {
    height: 42px;
  }
  .brand-title {
    font-size: 1.05rem;
  }
  .brand-subtitle {
    font-size: 0.68rem;
  }
  .header-actions {
    gap: 10px;
  }
}

@media (max-width: 767px) {
  .header-inner {
    padding: 8px 0;
    gap: 8px;
  }
  .logo-brand {
    gap: 8px;
  }
  .logo-brand img {
    height: 36px;
  }
  .brand-title {
    font-size: 0.95rem;
    line-height: 1.1;
  }
  .brand-subtitle {
    font-size: 0.62rem;
    letter-spacing: 0.04em;
  }
  .header-actions {
    gap: 8px;
  }
  .header-actions .btn-sm {
    padding: 6px 12px;
    font-size: 0.78rem;
    gap: 4px;
  }
  .header-actions .btn-sm svg {
    display: none;
  }
  .mobile-toggle {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
  }
  .mobile-toggle span {
    width: 17px;
    height: 2px;
    margin: 2px 0;
  }
}

@media (max-width: 420px) {
  .header-inner {
    padding: 6px 0;
    gap: 6px;
  }
  .logo-brand {
    gap: 7px;
  }
  .logo-brand img {
    height: 32px;
  }
  .brand-title {
    font-size: 0.88rem;
  }
  .brand-subtitle {
    font-size: 0.58rem;
    letter-spacing: 0.02em;
  }
  .header-actions {
    gap: 6px;
  }
  .header-actions .btn-sm {
    padding: 5px 8px;
    font-size: 0.74rem;
  }
  .mobile-toggle {
    width: 34px;
    height: 34px;
  }
  .mobile-toggle span {
    width: 15px;
  }
}

@media (max-width: 360px) {
  .brand-subtitle {
    display: none;
  }
  .brand-title {
    font-size: 0.82rem;
  }
  .header-actions .btn-sm {
    padding: 4px 6px;
    font-size: 0.7rem;
  }
}

.main-nav {
  display: none;
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(12px, 1.6vw, 24px);
    flex: 1;
  }
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-navy);
  position: relative;
  padding: 8px 2px;
  white-space: nowrap;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

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

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

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 270px;
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1010;
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-main);
  white-space: nowrap;
}

.dropdown-menu a:hover {
  background-color: var(--color-surface-soft);
  color: var(--color-primary);
  padding-left: 24px;
}

.dropdown-menu a span.badge {
  font-size: 0.68rem;
  background: rgba(0, 82, 204, 0.1);
  color: var(--color-primary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* Header Butonlar */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.phone-quick {
  display: none !important;
}

.phone-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(0, 82, 204, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-quick-text .sub {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.phone-quick-text .num {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-navy);
}

/* Buton Tasarımları */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.btn:hover svg {
  transform: translateX(4px);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 82, 204, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(0, 82, 204, 0.45);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, #D4AF37 0%, #C59B27 100%);
  color: var(--color-navy-dark);
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #E5B842 0%, #D4AF37 100%);
  box-shadow: 0 8px 24px rgba(197, 155, 39, 0.4);
  transform: translateY(-2px);
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--color-navy);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background-color: var(--color-surface-soft);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(4px);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: #FFFFFF;
}

.btn-outline-primary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline-primary:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.02rem;
  border-radius: var(--radius-lg);
}

/* Mobil Hamburger Menü */
.mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .mobile-toggle {
    display: none;
  }
}

.mobile-toggle span {
  width: 20px;
  height: 2px;
  background-color: var(--color-navy);
  margin: 2px 0;
  transition: var(--transition);
}

/* Mobil Çekmece Menü */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 85%;
  max-width: 340px;
  height: 100vh;
  background-color: #FFFFFF;
  z-index: 1050;
  padding: 24px;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
  transform: translateX(105%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 23, 39, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}

.drawer-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-navy);
  cursor: pointer;
  padding: 8px;
}

.drawer-menu {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
}

.drawer-link {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-surface-soft);
}

.drawer-link:hover {
  color: var(--color-primary);
}

.drawer-sublinks {
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
  margin-bottom: 10px;
}

.drawer-sublinks a {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.drawer-contact-info {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ==========================================================================
   HERO BÖLÜMÜ (ANA SAYFA & ALT SAYFALAR)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background-color: var(--color-navy-dark);
  color: #FFFFFF;
  overflow: hidden;
  padding: 100px 0 80px;
}

.hero-video-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translate(-50%, -50%);
  z-index: 1;
  opacity: 0.55;
  filter: contrast(1.15) brightness(0.9);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11, 23, 39, 0.92) 0%,
    rgba(11, 23, 39, 0.82) 40%,
    rgba(0, 82, 204, 0.65) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 860px;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 24px;
}

.hero-badge-pill .dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-gold-light);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px var(--color-gold-light);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 22px;
  overflow-wrap: break-word;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  line-height: 1.7;
  color: #CBD5E1;
  margin-bottom: 36px;
  max-width: 760px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* Floating Stats Gridi (Hero Altı / Hero İçi) */
.hero-stats-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 900px;
}

@media (min-width: 768px) {
  .hero-stats-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0 12px;
}

.stat-item:last-child {
  border-right: none;
}

@media (max-width: 767px) {
  .hero-section {
    padding: 60px 0 45px;
    min-height: auto;
  }
  .hero-cta-group {
    margin-bottom: 36px;
  }
  .hero-stats-bar {
    padding: 16px 12px;
    gap: 12px;
  }
  .stat-item {
    padding: 0 6px;
  }
  .stat-item:nth-child(2n) {
    border-right: none;
  }
  .page-hero {
    padding: 50px 0 35px;
  }
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  color: #FFFFFF;
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.stat-number .accent {
  color: var(--color-gold-light);
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Alt Sayfa Standart Hero */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, #0d2847 100%);
  color: #FFFFFF;
  padding: 80px 0 60px;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at right, rgba(0, 82, 204, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #94A3B8;
  margin-bottom: 16px;
}

.breadcrumb a {
  color: #CBD5E1;
}

.breadcrumb a:hover {
  color: var(--color-gold-light);
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.page-hero-desc {
  font-size: 1.1rem;
  color: #CBD5E1;
  max-width: 760px;
  line-height: 1.7;
}

/* ==========================================================================
   BÖLÜM 2 – FİRMA TANITIMI & GÜVEN PANELİ
   ========================================================================== */
.section-padding {
  padding: 90px 0;
}

.section-padding-sm {
  padding: 60px 0;
}

@media (max-width: 767px) {
  .section-padding {
    padding: 50px 0;
  }
  .section-padding-sm {
    padding: 36px 0;
  }
  .sec-header {
    margin-bottom: 32px;
  }
}

.bg-soft {
  background-color: var(--color-surface-soft);
}

.bg-navy {
  background-color: var(--color-navy);
  color: #FFFFFF;
}

.bg-navy-dark {
  background-color: var(--color-navy-dark);
  color: #FFFFFF;
}

.about-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 992px) {
  .about-split {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
  }
}

.about-media-stack {
  position: relative;
}

.about-main-img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about-badge-card {
  position: absolute;
  bottom: -24px;
  right: -12px;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  max-width: 280px;
  display: flex;
  align-items: center;
  gap: 16px;
}

@media (max-width: 768px) {
  .about-badge-card {
    position: static;
    margin-top: 20px;
    max-width: 100%;
  }
}

.about-badge-icon {
  width: 52px;
  height: 52px;
  background: var(--color-navy);
  color: var(--color-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about-badge-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1;
}

.about-badge-text {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.about-content-inner p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  font-size: 1.02rem;
  line-height: 1.75;
}

.feature-check-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 28px 0;
}

@media (min-width: 640px) {
  .feature-check-list {
    grid-template-columns: 1fr 1fr;
  }
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-navy);
}

.check-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   BÖLÜM 3 – HİZMETLERİMİZ (KART GRID)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.service-card-media {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.service-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-media img {
  transform: scale(1.08);
}

.service-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 23, 39, 0.85);
  color: #FFFFFF;
  backdrop-filter: blur(8px);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

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

.service-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-card-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.service-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
}

.service-card:hover .service-link-btn {
  color: var(--color-primary-dark);
}

.service-link-btn svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.service-card:hover .service-link-btn svg {
  transform: translateX(4px);
}

/* ==========================================================================
   BÖLÜM 4 – NEDEN PRESTİJ ÇELİK YAPI?
   ========================================================================== */
.advantages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.advantage-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px 26px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary);
  opacity: 0;
  transition: var(--transition);
}

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

.advantage-icon-wrapper {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.advantage-card:hover .advantage-icon-wrapper {
  background: var(--color-navy);
  color: var(--color-gold);
}

.advantage-title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 12px;
}

.advantage-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   BÖLÜM 5 – YAPI TÜRLERİ (SHOWCASE)
   ========================================================================== */
.structure-types-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .structure-types-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .structure-types-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.structure-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 380px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.structure-box:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.structure-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.structure-box:hover img {
  transform: scale(1.08);
}

.structure-box-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 23, 39, 0.1) 0%,
    rgba(11, 23, 39, 0.4) 40%,
    rgba(11, 23, 39, 0.95) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: #FFFFFF;
}

.structure-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-gold-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.structure-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 8px;
  line-height: 1.25;
}

.structure-desc {
  font-size: 0.85rem;
  color: #CBD5E1;
  line-height: 1.5;
  margin-bottom: 14px;
}

.structure-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   BÖLÜM 6 – ANAHTAR TESLİM SÜREÇ (15 ADIMLI YOL HARİTASI)
   ========================================================================== */
.process-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .process-timeline {
    grid-template-columns: repeat(5, 1fr);
  }
}

.process-step-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 24px 20px;
  position: relative;
  transition: var(--transition);
}

.process-step-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.step-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 12px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Sorumluluk Ayrımı Kutusu */
.responsibility-box {
  background: rgba(197, 155, 39, 0.08);
  border: 1px solid rgba(197, 155, 39, 0.3);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-top: 40px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.responsibility-icon {
  width: 44px;
  height: 44px;
  background: var(--color-gold);
  color: var(--color-navy-dark);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.responsibility-content h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.responsibility-content p {
  font-size: 0.9rem;
  color: var(--color-text-main);
  line-height: 1.6;
}

/* ==========================================================================
   BÖLÜM 7 – ÇELİK EVLERİN TEKNİK VE MÜHENDİSLİK ÜSTÜNLÜĞÜ
   ========================================================================== */
.specs-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 992px) {
  .specs-split {
    grid-template-columns: 1fr 1fr;
  }
}

.specs-grid-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .specs-grid-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.spec-mini-card {
  background: var(--color-navy-light);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: 20px;
  color: #FFFFFF;
}

.spec-mini-card .val {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-gold-light);
  margin-bottom: 4px;
}

.spec-mini-card .label {
  font-size: 0.88rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.spec-mini-card .sub {
  font-size: 0.78rem;
  color: #94A3B8;
  line-height: 1.45;
}

/* ==========================================================================
   BÖLÜM 8 – PROJELER & GALERİ
   ========================================================================== */
.gallery-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.filter-btn {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 9px 20px;
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-navy);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 82, 204, 0.25);
}

.projects-masonry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .projects-masonry {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .projects-masonry {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #FFFFFF;
  cursor: pointer;
  transition: var(--transition);
  height: 290px;
}

.project-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-item:hover img {
  transform: scale(1.06);
}

.project-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(11, 23, 39, 0.3) 40%,
    rgba(11, 23, 39, 0.95) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  color: #FFFFFF;
}

.project-category-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-gold-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.25;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(11, 23, 39, 0.92);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-height: 75vh;
  width: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  object-fit: contain;
}

.lightbox-caption {
  margin-top: 16px;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.1rem;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -44px;
  right: 0;
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 2rem;
  cursor: pointer;
}

/* ==========================================================================
   BÖLÜM 9 & 10 – HİZMET BÖLGELERİ & ANKARA İLÇELERİ & 81 İL
   ========================================================================== */
.districts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 640px) {
  .districts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 992px) {
  .districts-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1200px) {
  .districts-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.district-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  transition: var(--transition);
}

.district-card:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-soft);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.district-name {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.district-sub {
  font-size: 0.76rem;
  color: var(--color-primary);
  font-weight: 600;
}

/* 81 İl Düzeni */
.provinces-regions {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.region-box {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 28px;
}

.region-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-surface-soft);
}

.region-title span.badge {
  font-size: 0.75rem;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.province-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.province-pill {
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-navy);
  transition: var(--transition);
}

.province-pill.highlight {
  background: rgba(0, 82, 204, 0.08);
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
}

.province-pill:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* ==========================================================================
   BÖLÜM 11 – VİDEOLAR SHOWCASE
   ========================================================================== */
.videos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 768px) {
  .videos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .videos-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.video-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.video-player-wrap {
  position: relative;
  background: #000000;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.video-player-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-card-body {
  padding: 20px;
}

.video-card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.video-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.video-card-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   BÖLÜM 12 – SIKÇA SORULAN SORULAR (FAQ ACCORDION)
   ========================================================================== */
.faq-accordion {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-item.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
}

.faq-question svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--color-text-muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: 22px;
}

/* ==========================================================================
   BÖLÜM 13 – TEKLİF & İLETİŞİM FORMU (CONVERSION SECTION)
   ========================================================================== */
.quote-section {
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, #0d2847 100%);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.quote-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 992px) {
  .quote-split {
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
  }
}

.quote-info-side h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
}

.quote-info-side p {
  color: #CBD5E1;
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: 30px;
}

.direct-call-badge {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 16px 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 28px;
}

.direct-call-icon {
  width: 48px;
  height: 48px;
  background: var(--color-gold);
  color: var(--color-navy-dark);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.direct-call-text .lbl {
  font-size: 0.76rem;
  color: #94A3B8;
  text-transform: uppercase;
  font-weight: 600;
}

.direct-call-text .phone {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFFFFF;
}

/* Teklif Form Kartı */
.quote-form-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  box-shadow: var(--shadow-xl);
  color: var(--color-text-main);
}

@media (max-width: 767px) {
  .quote-form-card {
    padding: 24px 16px;
    border-radius: var(--radius-lg);
  }
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .form-grid.two-col {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-navy);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  color: var(--color-text-main);
  background-color: var(--color-surface-soft);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--color-primary);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* ==========================================================================
   ALT BİLGİ (FOOTER)
   ========================================================================== */
.main-footer {
  background-color: var(--color-navy-dark);
  color: #94A3B8;
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.3fr 0.9fr 1.1fr 1.1fr;
    gap: 48px;
  }
}

.footer-brand img {
  height: 60px;
  width: auto;
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: #CBD5E1;
  margin-bottom: 24px;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-gold);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: #94A3B8;
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 6px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  color: #CBD5E1;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #64748B;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

.footer-agency-link {
  color: #64748B;
  transition: var(--transition);
  font-size: 0.8rem;
  text-decoration: none;
}

.footer-agency-link:hover {
  color: var(--color-gold-light);
  text-decoration: underline;
}

/* ==========================================================================
   MOBİL SABİT AKSİYON BARI (QUICK FLOATING BAR)
   ========================================================================== */
.mobile-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #FFFFFF;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.12);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  z-index: 1020;
  padding: 8px 4px;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 992px) {
  .mobile-action-bar {
    display: none;
  }
}

.mobile-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-navy);
  padding: 6px 2px;
}

.mobile-action-btn svg {
  width: 20px;
  height: 20px;
}

.mobile-action-btn.call {
  color: var(--color-primary);
}

.mobile-action-btn.whatsapp {
  color: var(--color-whatsapp);
}

.mobile-action-btn.quote {
  color: var(--color-gold-dark);
}

/* ==========================================================================
   YARDIMCI TAB & DÜZEN SINIFLARI
   ========================================================================== */
.card-glass {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-lg);
}

.badge-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-gold {
  background: rgba(197, 155, 39, 0.15);
  color: var(--color-gold-dark);
  border: 1px solid rgba(197, 155, 39, 0.3);
}

.badge-primary {
  background: rgba(0, 82, 204, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(0, 82, 204, 0.2);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.form-alert-message {
  animation: fadeInDown 0.3s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   TEKNİK ŞARTNAME SAYFASI (RESMİ STANDARTLAR & TABLOLAR)
   ========================================================================== */
.spec-container {
  max-width: 1060px;
  margin: 0 auto;
}

.spec-doc-header {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px 36px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.spec-doc-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(197, 155, 39, 0.12);
  color: var(--color-gold-dark);
  border: 1px solid rgba(197, 155, 39, 0.25);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.spec-section-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
  transition: var(--transition);
}

@media (max-width: 767px) {
  .spec-doc-header {
    padding: 20px 16px;
    gap: 14px;
  }
  .spec-section-card {
    padding: 20px 16px;
  }
}

.spec-section-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 82, 204, 0.25);
}

.spec-section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-surface-soft);
}

.spec-section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: rgba(0, 82, 204, 0.1);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.spec-text {
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--color-text-main);
  margin-bottom: 18px;
}

.spec-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 20px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.spec-table th {
  background: var(--color-navy-dark);
  color: #FFFFFF;
  padding: 14px 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 0.88rem;
  text-transform: uppercase;
}

.spec-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-main);
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table tr:nth-child(even) {
  background: #F8FAFC;
}

.spec-table td.highlight {
  font-weight: 700;
  color: var(--color-primary);
}

.spec-standards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.spec-standard-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--color-surface-soft);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 0.88rem;
  color: var(--color-navy);
}

.spec-standard-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.spec-client-checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 16px;
}

@media (min-width: 768px) {
  .spec-client-checklist {
    grid-template-columns: repeat(2, 1fr);
  }
}

.spec-check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: #92400E;
  line-height: 1.5;
}

.spec-check-item svg {
  width: 18px;
  height: 18px;
  color: #D97706;
  flex-shrink: 0;
  margin-top: 2px;
}

@media print {
  .topbar, .main-header, .mobile-action-bar, .main-footer, .btn-print-hide {
    display: none !important;
  }
  .spec-section-card {
    border: none;
    box-shadow: none;
    page-break-inside: avoid;
    padding: 16px 0;
  }
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
  }
}