/* ============================================
   MUKAN DEFENCE & CONTI DEFENSE
   Ana Stil Dosyası - RESPONSIVE
   Renk Teması: Kırmızı - Beyaz - Koyu
   ============================================ */

/* Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Oswald:wght@300;400;500;600;700&family=Source+Sans+Pro:wght@300;400;600;700&display=swap");

/* ============================================
   CSS DEĞİŞKENLERİ
   ============================================ */
:root {
  /* Ana Renkler */
  --kirmizi-ana: #b71c1c;
  --kirmizi-koyu: #7f0000;
  --kirmizi-acik: #d32f2f;
  --kirmizi-hover: #c62828;

  /* Nötr Renkler */
  --beyaz: #ffffff;
  --beyaz-kirli: #f5f5f5;
  --gri-acik: #e0e0e0;
  --gri: #9e9e9e;
  --gri-koyu: #424242;
  --siyah-yumusak: #212121;
  --siyah: #0d0d0d;

  /* Aksan Renkler */
  --altin: #c9a227;
  --mavi-koyu: #1a237e;

  /* Fontlar */
  --font-baslik: "Oswald", sans-serif;
  --font-govde: "Source Sans Pro", sans-serif;

  /* Gölgeler */
  --golge-hafif: 0 2px 10px rgba(0, 0, 0, 0.1);
  --golge-orta: 0 4px 20px rgba(0, 0, 0, 0.15);
  --golge-guclu: 0 8px 40px rgba(0, 0, 0, 0.2);

  /* Geçişler */
  --gecis: all 0.3s ease;
  --gecis-yavas: all 0.5s ease;
}

/* ============================================
   GENEL SIFIRLAMA VE TEMEL STİLLER
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-govde);
  font-size: 16px;
  line-height: 1.7;
  color: var(--siyah-yumusak);
  background-color: var(--beyaz);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-baslik);
  font-weight: 600;
  line-height: 1.3;
  color: var(--siyah);
}

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

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

ul {
  list-style: none;
}

/* Container Düzeltmeleri */
.container {
  padding-left: 15px;
  padding-right: 15px;
}

/* ============================================
   ÜST BAR (Top Bar)
   ============================================ */
.top-bar {
  background: linear-gradient(
    135deg,
    var(--siyah) 0%,
    var(--siyah-yumusak) 100%
  );
  padding: 8px 0;
  font-size: 13px;
  color: var(--gri);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar a {
  color: var(--gri);
}

.top-bar a:hover {
  color: var(--kirmizi-acik);
}

.top-bar-left i {
  color: var(--kirmizi-ana);
  margin-right: 5px;
}

/* Dil Seçici */
.language-selector {
  display: flex;
  gap: 5px;
}

.language-selector a {
  padding: 4px 10px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
}

.language-selector a:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--kirmizi-ana);
}

.language-selector a.active {
  background: var(--kirmizi-ana);
  color: var(--beyaz);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  background: var(--beyaz);
  padding: 15px 0;
  box-shadow: var(--golge-hafif);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--gecis);
}

.navbar.scrolled {
  padding: 10px 0;
  box-shadow: var(--golge-orta);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 15px;
}

.navbar-brand img {
  height: 50px;
  transition: var(--gecis);
}

.navbar.scrolled .navbar-brand img {
  height: 40px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text .brand-name {
  font-family: var(--font-baslik);
  font-size: 22px;
  font-weight: 700;
  color: var(--siyah);
  letter-spacing: 2px;
  line-height: 1.1;
}

.brand-text .brand-tagline {
  font-size: 11px;
  color: var(--gri);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Nav Links */
.navbar-nav .nav-link {
  font-family: var(--font-baslik);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--siyah-yumusak);
  padding: 10px 18px !important;
  position: relative;
}

.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--kirmizi-ana);
  transition: var(--gecis);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 60%;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--kirmizi-ana);
}

/* Dropdown */
.dropdown-menu {
  border: none;
  box-shadow: var(--golge-orta);
  border-radius: 0;
  padding: 10px 0;
  border-top: 3px solid var(--kirmizi-ana);
}

.dropdown-item {
  font-family: var(--font-govde);
  font-size: 14px;
  padding: 10px 20px;
  transition: var(--gecis);
}

.dropdown-item:hover {
  background: var(--kirmizi-ana);
  color: var(--beyaz);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(
    135deg,
    var(--siyah) 0%,
    var(--siyah-yumusak) 50%,
    var(--kirmizi-koyu) 100%
  );
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

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

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(183, 28, 28, 0.2);
  border: 1px solid var(--kirmizi-ana);
  color: var(--kirmizi-acik);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  color: var(--beyaz);
  margin-bottom: 10px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero h1 span {
  display: block;
  font-weight: 700;
  color: var(--kirmizi-acik);
  font-size: clamp(2.3rem, 6vw, 4rem);
}

.hero-text {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--gri);
  max-width: 600px;
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease 0.4s both;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

/* Hero Dekoratif Öğeler */
.hero-decoration {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  border: 1px solid rgba(183, 28, 28, 0.3);
  border-radius: 50%;
  animation: rotate 60s linear infinite;
}

.hero-decoration::before {
  content: "";
  position: absolute;
  top: 50px;
  left: 50px;
  right: 50px;
  bottom: 50px;
  border: 1px solid rgba(183, 28, 28, 0.2);
  border-radius: 50%;
}

/* ============================================
   HERO PROJE GÖRSELLERİ
   ============================================ */
.hero-projects {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 450px;
  perspective: 1000px;
  margin-top: 30px;
}

.hero-project-card {
  position: absolute;
  width: 280px;
  height: 360px;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.hero-project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg,
    transparent 30%,
    rgba(0, 0, 0, 0.95) 100%
  );
  z-index: 1;
  transition: var(--gecis);
}

.hero-project-card:hover::before {
  background: linear-gradient(
    180deg,
    rgba(183, 28, 28, 0.2) 0%,
    rgba(0, 0, 0, 0.98) 100%
  );
}

.hero-project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}

.hero-project-card:hover img {
  transform: scale(1.1);
}

/* Kart Pozisyonları - Fan Düzeni */
.hero-project-card:nth-child(1) {
  transform: translateX(-150px) translateY(20px) rotate(-10deg);
  z-index: 1;
}

.hero-project-card:nth-child(2) {
  transform: translateX(0) translateY(-15px) rotate(0deg);
  z-index: 3;
}

.hero-project-card:nth-child(3) {
  transform: translateX(150px) translateY(20px) rotate(10deg);
  z-index: 1;
}

/* Hover Efektleri */
.hero-project-card:nth-child(1):hover {
  transform: translateX(-170px) translateY(0px) rotate(-5deg) scale(1.08);
  z-index: 10;
  box-shadow: 0 40px 80px rgba(183, 28, 28, 0.5);
}

.hero-project-card:nth-child(2):hover {
  transform: translateX(0) translateY(-35px) rotate(0deg) scale(1.08);
  z-index: 10;
  box-shadow: 0 40px 80px rgba(183, 28, 28, 0.5);
}

.hero-project-card:nth-child(3):hover {
  transform: translateX(170px) translateY(0px) rotate(5deg) scale(1.08);
  z-index: 10;
  box-shadow: 0 40px 80px rgba(183, 28, 28, 0.5);
}

/* Kart İçeriği */
.hero-project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 25px 20px;
  z-index: 2;
  transform: translateY(10px);
  opacity: 0.9;
  transition: all 0.4s ease;
}

.hero-project-card:hover .hero-project-info {
  transform: translateY(0);
  opacity: 1;
}

.hero-project-code {
  display: inline-block;
  padding: 5px 14px;
  background: var(--kirmizi-ana);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.hero-project-title {
  color: #fff;
  font-family: var(--font-baslik);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  font-weight: 600;
  margin: 0 0 8px 0;
  line-height: 1.3;
}

.hero-project-category {
  color: var(--gri);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0;
}

.hero-project-arrow {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  z-index: 2;
  opacity: 0;
  transform: scale(0.5) rotate(-45deg);
  transition: all 0.4s ease;
}

.hero-project-card:hover .hero-project-arrow {
  opacity: 1;
  transform: scale(1) rotate(0deg);
  background: var(--kirmizi-ana);
  border-color: var(--kirmizi-ana);
}

/* Placeholder Görsel */
.hero-project-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--siyah) 0%,
    var(--kirmizi-koyu) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}

.hero-project-placeholder i {
  font-size: 60px;
  color: rgba(255, 255, 255, 0.12);
}

.hero-project-placeholder::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 130px;
  height: 130px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

/* Hero İstatistikler */
.hero-stats {
  position: relative;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 2;
}

.stat-item {
  text-align: center;
  padding: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
  font-family: var(--font-baslik);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--kirmizi-acik);
  line-height: 1;
}

.stat-label {
  font-size: clamp(11px, 2vw, 13px);
  color: var(--gri);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 8px;
}

/* ============================================
   BUTONLAR
   ============================================ */
.btn-mukan {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 35px;
  font-family: var(--font-baslik);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--gecis);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-mukan-primary {
  background: var(--kirmizi-ana);
  color: var(--beyaz);
  border-color: var(--kirmizi-ana);
}

.btn-mukan-primary:hover {
  background: var(--kirmizi-koyu);
  border-color: var(--kirmizi-koyu);
  color: var(--beyaz);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(183, 28, 28, 0.3);
}

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

.btn-mukan-outline:hover {
  background: var(--beyaz);
  color: var(--siyah);
  transform: translateY(-2px);
}

.btn-mukan-dark {
  background: var(--siyah);
  color: var(--beyaz);
  border-color: var(--siyah);
}

.btn-mukan-dark:hover {
  background: var(--kirmizi-ana);
  border-color: var(--kirmizi-ana);
  color: var(--beyaz);
}

/* ============================================
   BÖLÜM BAŞLIKLARI
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-badge {
  display: inline-block;
  padding: 5px 15px;
  background: rgba(183, 28, 28, 0.1);
  color: var(--kirmizi-ana);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 15px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--siyah);
  margin-bottom: 15px;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--kirmizi-ana);
  margin: 20px auto 0;
}

.section-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--gri-koyu);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================
   HAKKIMIZDA / ORTAKLIK BÖLÜMÜ
   ============================================ */
.about-section {
  padding: clamp(60px, 10vw, 100px) 0;
  background: var(--beyaz);
}

.partner-card {
  background: var(--beyaz);
  border: 1px solid var(--gri-acik);
  padding: clamp(25px, 5vw, 40px);
  height: 100%;
  transition: var(--gecis);
  position: relative;
  overflow: hidden;
}

.partner-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--kirmizi-ana);
  transition: var(--gecis-yavas);
}

.partner-card:hover::before {
  height: 100%;
}

.partner-card:hover {
  box-shadow: var(--golge-orta);
  transform: translateY(-5px);
}

.partner-logo {
  height: 60px;
  margin-bottom: 20px;
}

.partner-location {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 15px;
  background: var(--beyaz-kirli);
  color: var(--gri-koyu);
  font-size: 13px;
  margin-bottom: 20px;
}

.partner-location i {
  color: var(--kirmizi-ana);
}

.partner-card h3 {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  margin-bottom: 15px;
}

.partner-card p {
  color: var(--gri-koyu);
  margin-bottom: 25px;
  font-size: clamp(14px, 2vw, 16px);
  line-height: 1.6;
}

.expertise-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.expertise-item {
  padding: 8px 15px;
  background: linear-gradient(135deg, var(--kirmizi-ana), var(--kirmizi-koyu));
  color: var(--beyaz);
  font-size: clamp(11px, 2vw, 12px);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================
   YETKİNLİKLER BÖLÜMÜ
   ============================================ */
.competencies-section {
  padding: clamp(60px, 10vw, 100px) 0;
  background: var(--siyah);
  position: relative;
}

.competency-card {
  text-align: center;
  padding: clamp(30px, 5vw, 50px) clamp(20px, 3vw, 30px);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  height: 100%;
  transition: var(--gecis);
}

.competency-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--kirmizi-ana);
  transform: translateY(-10px);
}

.competency-icon {
  width: clamp(60px, 10vw, 80px);
  height: clamp(60px, 10vw, 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--kirmizi-ana), var(--kirmizi-koyu));
  margin: 0 auto 25px;
  font-size: clamp(24px, 4vw, 32px);
  color: var(--beyaz);
}

.competency-card h4 {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  color: var(--beyaz);
  margin-bottom: 15px;
}

.competency-card p {
  color: var(--gri);
  font-size: clamp(14px, 2vw, 15px);
  line-height: 1.6;
}

/* ============================================
   PROJELER BÖLÜMÜ
   ============================================ */
.projects-section {
  padding: clamp(60px, 10vw, 100px) 0;
  background: var(--beyaz-kirli);
}

.project-card {
  background: var(--beyaz);
  border: none;
  overflow: hidden;
  height: 100%;
  transition: var(--gecis);
  position: relative;
}

.project-card:hover {
  box-shadow: var(--golge-guclu);
  transform: translateY(-10px);
}

.project-image {
  position: relative;
  height: 250px;
  background: linear-gradient(
    135deg,
    var(--siyah) 0%,
    var(--kirmizi-koyu) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/><circle cx="50" cy="50" r="30" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/><circle cx="50" cy="50" r="20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
  background-size: cover;
}

.project-code {
  position: relative;
  z-index: 1;
  font-family: var(--font-baslik);
  font-size: clamp(3rem, 6vw, 4rem);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.1);
  letter-spacing: 5px;
}

.project-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 8px 15px;
  background: var(--kirmizi-ana);
  color: var(--beyaz);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 2;
}

.project-content {
  padding: clamp(20px, 4vw, 30px);
}

.project-content h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.4rem);
  margin-bottom: 10px;
  transition: var(--gecis);
}

.project-card:hover .project-content h3 {
  color: var(--kirmizi-ana);
}

.project-tagline {
  font-size: clamp(13px, 2vw, 14px);
  color: var(--kirmizi-ana);
  font-weight: 600;
  margin-bottom: 15px;
}

.project-content p {
  color: var(--gri-koyu);
  font-size: clamp(14px, 2vw, 15px);
  margin-bottom: 20px;
  line-height: 1.6;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--siyah);
  font-weight: 600;
  font-size: clamp(13px, 2vw, 14px);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-link i {
  transition: var(--gecis);
}

.project-link:hover {
  color: var(--kirmizi-ana);
}

.project-link:hover i {
  transform: translateX(5px);
}

/* ============================================
   İLETİŞİM BÖLÜMÜ
   ============================================ */
.contact-section {
  padding: clamp(60px, 10vw, 100px) 0;
  background: var(--beyaz);
}

.contact-info-card {
  background: var(--siyah);
  padding: clamp(30px, 5vw, 50px) clamp(25px, 4vw, 40px);
  height: 100%;
  color: var(--beyaz);
}

.contact-info-card h3 {
  color: var(--beyaz);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kirmizi-ana);
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item h5 {
  font-size: 14px;
  color: var(--gri);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 5px;
}

.contact-item p {
  color: var(--beyaz);
  font-size: clamp(14px, 2vw, 16px);
  margin: 0;
  line-height: 1.5;
}

.contact-form-card {
  background: var(--beyaz);
  padding: clamp(30px, 5vw, 50px) clamp(25px, 4vw, 40px);
  box-shadow: var(--golge-orta);
  height: 100%;
}

.form-group {
  margin-bottom: 25px;
}

.form-label {
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--siyah);
  margin-bottom: 10px;
}

.form-control {
  border: 1px solid var(--gri-acik);
  border-radius: 0;
  padding: 15px 20px;
  font-size: 15px;
  transition: var(--gecis);
}

.form-control:focus {
  border-color: var(--kirmizi-ana);
  box-shadow: 0 0 0 3px rgba(183, 28, 28, 0.1);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--siyah);
  color: var(--gri);
  padding-top: clamp(50px, 8vw, 80px);
}

.footer-main {
  padding-bottom: clamp(30px, 6vw, 50px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  height: 50px;
  margin-bottom: 20px;
}

.footer-about p {
  font-size: clamp(14px, 2vw, 15px);
  line-height: 1.8;
  margin-bottom: 25px;
}

.footer h5 {
  color: var(--beyaz);
  font-size: clamp(14px, 2vw, 16px);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 15px;
}

.footer h5::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--kirmizi-ana);
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--gri);
  font-size: clamp(14px, 2vw, 15px);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-links a::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--kirmizi-ana);
  transition: var(--gecis);
}

.footer-links a:hover {
  color: var(--beyaz);
  padding-left: 5px;
}

.footer-contact-item {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.footer-contact-item i {
  color: var(--kirmizi-ana);
  font-size: 18px;
  margin-top: 3px;
}

.footer-bottom {
  padding: 25px 0;
  text-align: center;
  font-size: clamp(13px, 2vw, 14px);
}

/* ============================================
   SAYFA BANNER
   ============================================ */
.page-banner {
  background: linear-gradient(
    135deg,
    var(--siyah) 0%,
    var(--kirmizi-koyu) 100%
  );
  padding: clamp(100px, 15vw, 150px) 0 clamp(50px, 8vw, 80px);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.page-banner h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--beyaz);
  margin-bottom: 15px;
  position: relative;
}

.page-banner .breadcrumb {
  background: none;
  padding: 0;
  margin: 0;
  position: relative;
}

.page-banner .breadcrumb-item {
  color: var(--gri);
  font-size: clamp(13px, 2vw, 14px);
}

.page-banner .breadcrumb-item a {
  color: var(--gri);
}

.page-banner .breadcrumb-item a:hover {
  color: var(--kirmizi-acik);
}

.page-banner .breadcrumb-item.active {
  color: var(--beyaz);
}

.page-banner .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--kirmizi-ana);
}

/* ============================================
   ANİMASYONLAR
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rotate {
  from {
    transform: translateY(-50%) rotate(0deg);
  }
  to {
    transform: translateY(-50%) rotate(360deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

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

/* ============================================
   YUKARI ÇIKMA BUTONU
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--kirmizi-ana);
  color: var(--beyaz);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--gecis);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--kirmizi-koyu);
  transform: translateY(-5px);
}

/* ============================================
   MOBİL DİL SEÇİCİ
   ============================================ */
.mobile-language-selector {
  display: none;
}

/* ============================================
   RESPONSIVE TASARIM - TABLET YATAY (992px - 1199px)
   ============================================ */
@media (max-width: 1199px) {
  .hero-projects {
    min-height: 380px;
  }

  .hero-project-card {
    width: 220px;
    height: 290px;
  }

  .hero-project-card:nth-child(1) {
    transform: translateX(-120px) translateY(15px) rotate(-8deg);
  }

  .hero-project-card:nth-child(3) {
    transform: translateX(120px) translateY(15px) rotate(8deg);
  }
}

/* ============================================
   RESPONSIVE TASARIM - TABLET DİKEY (768px - 991px)
   ============================================ */
@media (max-width: 991px) {
  /* Top Bar - Mobilde Gizle */
  .top-bar {
    display: none;
  }

  /* Navbar Mobil */
  .navbar-brand img {
    height: 40px;
  }

  .brand-text .brand-name {
    font-size: 18px;
  }

  .brand-text .brand-tagline {
    font-size: 9px;
  }

  .navbar-collapse {
    background: var(--beyaz);
    padding: 20px;
    margin-top: 15px;
    box-shadow: var(--golge-orta);
    border-top: 3px solid var(--kirmizi-ana);
  }

  .navbar-nav .nav-item {
    border-bottom: 1px solid var(--gri-acik);
  }

  .navbar-nav .nav-item:last-child {
    border-bottom: none;
  }

  .navbar-nav .nav-link {
    padding: 15px 10px !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .navbar-nav .nav-link::after {
    display: none;
  }

  .navbar-nav .dropdown-menu {
    position: static !important;
    transform: none !important;
    box-shadow: none;
    border: none;
    border-top: none;
    padding: 0;
    margin: 0;
    background: var(--beyaz-kirli);
    display: none;
  }

  .navbar-nav .dropdown-menu.show {
    display: block;
  }

  .navbar-nav .dropdown-menu .dropdown-item {
    padding: 12px 20px 12px 30px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 13px;
  }

  .navbar-nav .dropdown-menu .dropdown-item:last-child {
    border-bottom: none;
  }

  .navbar-nav .dropdown-menu .dropdown-item i {
    color: var(--kirmizi-ana);
    width: 25px;
  }

  .navbar-nav .dropdown-menu .dropdown-item:hover {
    background: var(--kirmizi-ana);
    color: var(--beyaz);
  }

  .navbar-nav .dropdown-menu .dropdown-item:hover i {
    color: var(--beyaz);
  }

  .navbar-nav .dropdown-toggle::after {
    margin-left: auto;
    border: none;
    content: "\f078";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 12px;
    transition: var(--gecis);
  }

  .navbar-nav .dropdown.show .dropdown-toggle::after {
    transform: rotate(180deg);
  }

  /* Mobil Dil Seçici */
  .mobile-language-selector {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 20px 0;
    margin-top: 15px;
    border-top: 1px solid var(--gri-acik);
    background: var(--beyaz-kirli);
  }

  .mobile-language-selector a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--beyaz);
    border: 2px solid var(--gri-acik);
    color: var(--siyah);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    transition: var(--gecis);
  }

  .mobile-language-selector a:hover {
    border-color: var(--kirmizi-ana);
    color: var(--kirmizi-ana);
  }

  .mobile-language-selector a.active {
    background: var(--kirmizi-ana);
    border-color: var(--kirmizi-ana);
    color: var(--beyaz);
  }

  /* Hero Section */
  .hero {
    min-height: auto;
    padding: 80px 0 40px;
  }

  .hero-decoration {
    display: none;
  }

  /* Hero Projeler - Tablet */
  .hero-projects {
    min-height: auto;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 15px;
    margin-top: 40px;
    padding: 10px 0 20px;
    justify-content: center;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .hero-project-card {
    position: relative;
    flex: 0 0 auto;
    width: 200px;
    height: 260px;
    transform: none !important;
    border-radius: 10px;
  }

  .hero-project-card:hover {
    transform: translateY(-10px) scale(1.02) !important;
  }

  .hero-project-info {
    padding: 15px 12px;
    transform: translateY(0);
    opacity: 1;
  }

  .hero-project-code {
    font-size: 9px;
    padding: 3px 8px;
    margin-bottom: 8px;
  }

  .hero-project-arrow {
    width: 32px;
    height: 32px;
    opacity: 1;
    transform: scale(1) rotate(0deg);
    top: 10px;
    right: 10px;
    font-size: 11px;
  }

  .hero-project-placeholder i {
    font-size: 45px;
  }

  /* Hero Stats */
  .hero-stats {
    margin-top: 60px;
    padding-top: 30px;
  }

  .stat-item {
    padding: 15px 10px;
  }

  /* Butonlar */
  .hero-buttons {
    flex-direction: column;
    gap: 12px;
  }

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

/* ============================================
   RESPONSIVE TASARIM - MOBİL BÜYÜK (481px - 767px)
   ============================================ */
@media (max-width: 767px) {
  html {
    font-size: 15px;
  }

  /* Navbar */
  .navbar {
    padding: 12px 0;
  }

  .navbar-brand img {
    height: 35px;
  }

  .brand-text .brand-name {
    font-size: 16px;
    letter-spacing: 1px;
  }

  .brand-text .brand-tagline {
    font-size: 8px;
  }

  /* Hero */
  .hero {
    padding: 70px 0 30px;
  }

  .hero-badge {
    font-size: 10px;
    padding: 6px 15px;
    margin-bottom: 15px;
  }

  .hero-text {
    margin-bottom: 25px;
  }

  /* Hero Projeler - Mobil Dikey */
  .hero-projects {
    flex-direction: column;
    gap: 15px;
    padding: 15px 0 25px;
    margin-top: 35px;
    overflow-x: visible;
  }

  .hero-project-card {
    width: 100%;
    max-width: 100%;
    height: 150px;
    border-radius: 8px;
  }

  .hero-project-card:hover {
    transform: translateY(-5px) !important;
  }

  .hero-project-card::before {
    background: linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.92) 0%,
      rgba(0, 0, 0, 0.6) 40%,
      transparent 70%
    );
  }

  .hero-project-card:hover::before {
    background: linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.95) 0%,
      rgba(0, 0, 0, 0.7) 40%,
      transparent 70%
    );
  }

  .hero-project-info {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: auto;
    width: 65%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
  }

  .hero-project-title {
    font-size: 1rem;
    margin-bottom: 5px;
  }

  .hero-project-code {
    font-size: 9px;
    margin-bottom: 8px;
    padding: 3px 10px;
  }

  .hero-project-category {
    font-size: 10px;
  }

  .hero-project-arrow {
    top: 50%;
    right: 15px;
    transform: translateY(-50%) scale(1) rotate(0deg);
    width: 40px;
    height: 40px;
    background: var(--kirmizi-ana);
    border-color: var(--kirmizi-ana);
    opacity: 1;
  }

  .hero-project-placeholder i {
    font-size: 50px;
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
  }

  .hero-project-placeholder::after {
    display: none;
  }

  /* Hero Stats */
  .hero-stats {
    margin-top: 50px;
    padding-top: 30px;
  }

  .hero-stats .row {
    flex-direction: column;
  }

  .stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
    text-align: left;
    padding: 15px 0;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .stat-number {
    min-width: 70px;
  }

  .stat-label {
    text-align: left;
    flex: 1;
  }

  /* Sections */
  .section-header {
    margin-bottom: 40px;
  }

  /* Partner Cards */
  .partner-card,
  .contact-info-card,
  .contact-form-card {
    margin-bottom: 20px;
  }

  /* Back to Top */
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 18px;
  }
}

/* ============================================
   RESPONSIVE TASARIM - MOBİL KÜÇÜK (320px - 480px)
   ============================================ */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  /* Navbar */
  .navbar {
    padding: 10px 0;
  }

  .navbar-brand {
    gap: 10px;
  }

  .navbar-brand img {
    height: 32px;
  }

  .brand-text .brand-name {
    font-size: 15px;
    letter-spacing: 0.5px;
  }

  .brand-text .brand-tagline {
    display: none;
  }

  /* Hero */
  .hero {
    padding: 60px 0 25px;
  }

  .hero-badge {
    font-size: 9px;
    padding: 5px 12px;
    letter-spacing: 1px;
  }

  .hero-text {
    margin-bottom: 20px;
  }

  .hero-buttons {
    gap: 10px;
  }

  .btn-mukan {
    padding: 12px 25px;
    font-size: 12px;
    letter-spacing: 1px;
  }

  /* Hero Projeler */
  .hero-projects {
    gap: 12px;
    padding: 10px 0 20px;
    margin-top: 25px;
  }

  .hero-project-card {
    height: 130px;
  }

  .hero-project-info {
    padding: 15px;
    width: 65%;
  }

  .hero-project-title {
    font-size: 0.9rem;
  }

  .hero-project-arrow {
    width: 36px;
    height: 36px;
    right: 12px;
    font-size: 12px;
  }

  .hero-project-placeholder i {
    font-size: 40px;
    right: 20px;
  }

  /* Hero Stats */
  .hero-stats {
    margin-top: 40px;
    padding-top: 25px;
  }

  .stat-item {
    padding: 12px 0;
    gap: 12px;
  }

  .stat-number {
    min-width: 60px;
    font-size: 1.8rem;
  }

  /* Sections */
  .section-header {
    margin-bottom: 35px;
  }

  .section-badge {
    font-size: 10px;
    padding: 4px 12px;
  }

  /* Expertise Items */
  .expertise-item {
    padding: 6px 12px;
    font-size: 10px;
  }

  /* Project Cards */
  .project-image {
    height: 200px;
  }

  /* Footer */
  .footer-logo {
    height: 40px;
  }

  /* Back to Top */
  .back-to-top {
    bottom: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
}

/* ============================================
   FOLDABLE PHONES (280px - 320px)
   ============================================ */
@media (max-width: 320px) {
  html {
    font-size: 13px;
  }

  .container {
    padding-left: 10px;
    padding-right: 10px;
  }

  /* Navbar */
  .navbar-brand img {
    height: 28px;
  }

  .brand-text .brand-name {
    font-size: 14px;
  }

  /* Hero */
  .hero {
    padding: 50px 0 20px;
  }

  .hero-badge {
    font-size: 8px;
    padding: 4px 10px;
  }

  .btn-mukan {
    padding: 10px 20px;
    font-size: 11px;
  }

  /* Hero Projeler */
  .hero-projects {
    gap: 10px;
    margin-top: 20px;
  }

  .hero-project-card {
    height: 120px;
  }

  .hero-project-info {
    padding: 12px;
  }

  .hero-project-title {
    font-size: 0.85rem;
  }

  .hero-project-code {
    font-size: 8px;
    padding: 2px 8px;
  }

  .hero-project-arrow {
    width: 32px;
    height: 32px;
    font-size: 10px;
  }

  /* Stats */
  .stat-item {
    padding: 10px 0;
  }

  .stat-number {
    min-width: 50px;
    font-size: 1.5rem;
  }

  /* Cards */
  .partner-card,
  .competency-card,
  .project-content,
  .contact-info-card,
  .contact-form-card {
    padding: 20px 15px;
  }
}

/* ============================================
   LANDSCAPE MOBİL (MAX-HEIGHT: 500px)
   ============================================ */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 60px 0 40px;
  }

  .hero h1 {
    font-size: 2rem;
    margin-bottom: 8px;
  }

  .hero h1 span {
    font-size: 2.3rem;
  }

  .hero-text {
    font-size: 14px;
    margin-bottom: 20px;
  }

  .hero-buttons {
    gap: 10px;
  }

  .hero-stats {
    margin-top: 40px;
  }

  .stat-item {
    padding: 10px;
  }
}
/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .navbar,
  .hero-buttons,
  .back-to-top,
  .mobile-language-selector,
  .language-selector {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 40px 0;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }
}