@charset "UTF-8";
/* global css */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Montserrat:wght@700;800&display=swap");
:root {
  /* --- ANA RENK PALETİ (Deep Turquoise & Tech) --- */
  --brand-primary: #058283;
  --brand-primary-rgb: 5, 130, 131;
  --brand-light: #00ced1;
  --brand-light-rgb: rgb(0, 206, 209);
  --brand-glow: #00a6a6;
  --brand-glow-rgb: 0, 166, 166;
  --brand-dark: #0a192f;
  --brand-dark-rgb: 10, 25, 47;
  /* --- ARKA PLAN KATMANLARI --- */
  --bg-main: #f8fafb;
  /* Çok hafif teknolojik gri-mavi zemin */
  --bg-main-rgb: 248, 250, 251;
  --bg-card: var(--brand-dark);
  /* Saf beyaz kartlar */
  --bg-card-rgb: 255, 255, 255;
  /* --- BOOTSTRAP 5.3.3 EŞİTLEMESİ --- */
  --bs-primary: var(--brand-primary);
  --bs-primary-rgb: var(--brand-primary-rgb);
  --bs-tertiary-bg: #f1f5f9;
  --bs-body-font-family: "Inter", system-ui, -apple-system, sans-serif;
  --bs-heading-font-family: "Montserrat", sans-serif;
  /* --- EFEKT KÜTÜPHANESİ --- */
  --shadow-pro: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 20px rgba(0, 166, 166, 0.2);
  /* Glassmorphism Efekti */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.3);
  /* --- GRADIENT --- */
  --tech-gradient-dark: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-light) 100%);
  --tech-gradient-light: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-light) 100%);
}

/* GENEL SİSTEM AYARLARI */
body {
  font-family: var(--bs-body-font-family);
  color: #212529;
  background-color: var(--bs-tertiary-bg);
  line-height: 1.618;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.navbar-brand img {
  filter: drop-shadow(0px 0px 6px rgba(255, 255, 255, 0.8));
}

.text-brand-light {
  color: var(--brand-light);
}

.text-brand-dark {
  color: var(--brand-dark);
}

.project-border-dark {
  border-color: rgba(var(--brand-dark-rgb), 0.5) !important;
}

/* ERİŞİLEBİLİRLİK VE YARDIMCI SINIFLAR */
:focus-visible {
  outline: 3px solid var(--brand-glow) !important;
  outline-offset: 3px;
}

/* Koyu Arkaplanlar */
.bg-dark-section-gradient {
  background: var(--tech-gradient-dark);
  color: #ffffff;
}

address a {
  color: var(--brand-dark) !important;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}
address a:hover {
  text-shadow: 0 0 5px var(--brand-light);
}

.text-justify {
  text-align: justify;
}

/* Typography styles */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--bs-heading-font-family);
  font-weight: 800;
  color: var(--brand-dark);
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 4px rgba(var(--brand-primary-rgb), 0.18);
}

/* layout */
/* --- NEON GLASSY NAVBAR DÜZELTMESİ --- */
/* 1. Linklerin Temel Yapısı */
.navbar-nav .nav-link:not(.dropdown-toggle) {
  padding-left: 0 !important;
  padding-right: 0 !important;
  color: rgba(255, 255, 255, 0.9) !important;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
  font-weight: 500;
  position: relative;
  padding-bottom: 5px;
  transition: all 0.3s ease;
}

/* 2. Hover (Üzerine Gelince) ve Active (Seçili) Durumu */
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: #ffffff !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8), 0 0 10px var(--brand-glow);
  transform: translateY(-2px);
}

/* 3. O Sevdiğin Hareketli Neon Alt Çizgi */
.nav-link-glow::after {
  content: "";
  position: absolute;
  width: 0;
  height: 3px;
  bottom: 0;
  left: 0;
  background-color: var(--brand-light);
  box-shadow: 0 0 10px var(--brand-glow), 0 0 20px var(--brand-light);
  transition: width 0.3s ease-in-out;
  border-radius: 10px;
}

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

/* Ok İşareti Linki (Üçgen) */
.project-dropdown-toggle {
  margin-left: 0 !important;
  padding-right: 0 !important;
  padding-left: 4px !important;
  color: rgba(255, 255, 255, 0.9) !important;
  opacity: 0.7;
  border: none !important;
}

/* Hover Durumu: İkisi birlikte parlasın */
.nav-item:hover .nav-link,
.nav-item:hover .project-dropdown-toggle {
  color: #ffffff !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8), 0 0 10px var(--brand-glow);
  transform: translateY(-2px);
}

/* Ok işaretini biraz daha belirginleştirelim ki metinle bütün dursun */
.project-dropdown-toggle::after {
  margin-left: 0;
  /* Bootstrap'in otomatik marginini sıfırla */
  vertical-align: middle;
}

/* --- RESPONSIVE TYPOGRAPHY VE HEADER DÜZENLEMELERİ --- */
.responsive-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  width: -moz-max-content;
  width: max-content;
  text-decoration: none;
}
.responsive-brand img {
  width: 100%;
  max-width: clamp(130px, 15vw, 240px);
  height: auto;
  transition: max-width 0.3s ease;
}
.responsive-brand .d-flex {
  padding-right: 0 !important;
  margin-top: -3px;
  color: var(--brand-light);
  font-size: clamp(0.7rem, 1vw + 0.2rem, 1.1rem);
}

@media (max-width: 991px) {
  .responsive-contact {
    flex-direction: column !important;
    align-items: flex-end;
    gap: 0.35rem !important;
    margin-bottom: 0.5rem !important;
  }
}
.responsive-contact .text-link,
.responsive-contact i {
  font-size: clamp(0.68rem, 1vw + 0.2rem, 0.95rem);
}

.responsive-nav {
  gap: clamp(0.2rem, 1vw, 1rem) !important;
}
.responsive-nav .nav-item.dropdown {
  display: flex;
  align-items: center;
  gap: 0 !important;
}
.responsive-nav .nav-link {
  font-size: clamp(0.75rem, 1vw + 0.2rem, 0.95rem) !important;
  padding-right: 0.15rem !important;
}
.responsive-nav .project-dropdown-toggle {
  padding-left: 0 !important;
  margin-left: 0 !important;
}
.responsive-nav .project-dropdown-toggle::after {
  margin-left: 0;
  vertical-align: middle;
}

/* components */
.hero-image-mask {
  background: linear-gradient(rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.7)), url("ruhsat-bg.jpg") no-repeat center center;
  background-size: cover;
  min-height: 600px;
  /* Sağ tarafı kesik oval form */
  border-radius: 0 500px 500px 0;
  display: flex;
  align-items: center;
  padding-left: 10%;
}

/* Mobilde maskeyi düzeltme */
@media (max-width: 991px) {
  .hero-image-mask {
    border-radius: 0;
    min-height: 400px;
  }
}
/* --- HERO ALANI RESPONSIVE (CLAMP) DÜZENLEMESİ --- */
.responsive-hero-content h1 {
  font-size: clamp(1.25rem, 2vw + 1rem, 2.1rem) !important;
  line-height: 1.3 !important;
}
.responsive-hero-content h2 {
  font-size: clamp(0.95rem, 1vw + 0.8rem, 1.35rem) !important;
  line-height: 1.4 !important;
}

.index-engineering-section-bg {
  background-color: var(--color-bg-dark);
}

#index-engineering-section {
  padding: 0;
  overflow: hidden;
}

.index-engineering-wrapper {
  color: var(--brand-light);
  min-height: clamp(42rem, 100vh, 64rem) !important;
}

.index-engineering-left {
  min-height: clamp(24rem, 42vw, 40rem);
  padding: clamp(2.25rem, 5vw, 5rem) clamp(1.25rem, 4vw, 4rem);
  background-color: var(--brand-dark);
  color: var(--brand-light);
}

.index-engineering-left p {
  color: rgba(255, 255, 255, 0.9);
}

.index-engineering-title {
  max-width: 100%;
  font-size: clamp(2.35rem, 5.5vw, 5.4rem);
  line-height: 1.05 !important;
  letter-spacing: -1px !important;
  color: var(--brand-light);
}

.index-engineering-title::before {
  content: "";
  display: inline-block;
  height: 2px;
  width: 70px;
  background: var(--brand-light);
  position: relative;
  top: 1rem;
  left: -4rem;
  transform: translate(-50%, -50%);
}

.index-engineering-left > div > i {
  color: var(--brand-light);
  font-size: clamp(3rem, 8vw, 6rem) !important;
}

.index-engineering-right > .row {
  min-height: 100%;
}

.index-engineering-right .card.text-bg-dark {
  min-height: clamp(26rem, 42vw, 40rem);
}

.index-engineering-right .card-img-overlay {
  padding-left: clamp(1.25rem, 3vw, 3rem) !important;
  padding-right: clamp(1rem, 2.5vw, 2.5rem) !important;
}

.index-engineering-right .content-wrapper {
  height: auto !important;
  min-height: 100%;
  padding-bottom: clamp(1.25rem, 3vw, 2.5rem) !important;
}

.index-engineering-right .content-wrapper h3 {
  font-size: clamp(1.25rem, 2.2vw, 2.1rem);
  line-height: 1.15 !important;
}

.index-engineering-right .content-wrapper ul {
  margin-bottom: 0;
  font-size: clamp(0.78rem, 1vw, 1rem);
}

.index-engineering-right .content-wrapper {
  color: rgba(255, 255, 255, 0.9);
}

.index-engineering-right .content-wrapper span,
.index-engineering-right .content-wrapper h4 {
  color: var(--brand-light);
}

.index-engineering-right .content-wrapper span.border-start {
  border-color: var(--brand-light) !important;
}

.card.text-bg-dark {
  position: relative;
  background-size: 100%;
  background-position: center;
  border: 0;
  transition: background-size 0.5s ease-in-out;
}

.card.text-bg-dark::before {
  background: rgba(0, 0, 0, 0.7);
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  content: "";
  transition: all 0.3s ease-in-out;
}

.card.text-bg-dark:hover {
  transition: background-size 0.5s ease-in-out;
  background-size: 110%;
}

.card.text-bg-dark:hover::before {
  background: rgba(0, 0, 0, 0.3);
  transition: all 0.2s ease-in-out;
}

.card.text-bg-dark .card-img-overlay a {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}

@media (max-width: 991px) {
  .index-engineering-wrapper {
    min-height: 0 !important;
  }
  .index-engineering-left {
    min-height: 25rem;
  }
  .index-engineering-title {
    margin-left: 0 !important;
  }
  .index-engineering-title::before {
    left: -1rem;
    width: clamp(2.5rem, 10vw, 4.5rem);
  }
  .index-engineering-right .card.text-bg-dark {
    min-height: clamp(23rem, 75vw, 32rem);
  }
}
@media (max-width: 575px) {
  .index-engineering-left {
    min-height: 22rem;
  }
  .index-engineering-left p {
    max-width: 22rem;
    font-size: clamp(0.95rem, 3.8vw, 1.15rem);
    line-height: 1.35 !important;
  }
  .index-engineering-right .card.text-bg-dark {
    min-height: 24rem;
  }
  .index-engineering-right .content-wrapper h3 {
    font-size: clamp(1.2rem, 6vw, 1.65rem);
  }
}
/* pages */
.index-cta-section {
  padding: 2.5rem 0;
  background: var(--bg-main);
}

.index-cta-banner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 7rem;
  padding: 1.25rem 2rem;
  color: #ffffff;
  background: var(--tech-gradient-light);
  border: 1px solid rgba(var(--brand-light-rgb), 0.35);
  border-radius: 0.35rem;
  box-shadow: var(--shadow-pro), var(--shadow-glow);
}

.index-cta-mark {
  display: grid;
  flex: 0 0 4.5rem;
  place-items: center;
  width: 4.5rem;
  height: 4.5rem;
  color: var(--brand-light);
  font-size: 2rem;
  border-right: 1px solid rgba(var(--brand-light-rgb), 0.35);
}

.index-cta-copy {
  flex: 1;
}
.index-cta-copy h2 {
  margin: 0 0 0.35rem;
  font-family: var(--bs-heading-font-family);
  font-size: clamp(1.05rem, 1.8vw, 1.45rem);
  line-height: 1.2;
}
.index-cta-copy p {
  max-width: 42rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.88rem;
  line-height: 1.45;
}

.index-cta-button {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.8rem 1.25rem;
  color: var(--brand-light);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  background: var(--brand-dark);
  border-radius: 0.25rem;
  transition: transform 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}
.index-cta-button:hover, .index-cta-button:focus-visible {
  color: var(--brand-dark);
  background: var(--brand-light);
  box-shadow: 0 0 1rem rgba(var(--brand-light-rgb), 0.45);
  transform: translateY(-2px);
}

@media (max-width: 767px) {
  .index-cta-section {
    padding: 1.5rem 0;
  }
  .index-cta-banner {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.25rem;
  }
  .index-cta-mark {
    flex-basis: 3.25rem;
    width: 3.25rem;
    height: 3.25rem;
    font-size: 1.5rem;
  }
  .index-cta-copy {
    flex-basis: calc(100% - 4.25rem);
  }
  .index-cta-button {
    justify-content: center;
    width: 100%;
  }
}