/* ============================================
   NG YAPI DEKORASYON — Clean White Theme
   ============================================ */

   :root {
    --bg: #ffffff;
    --bg-section: #f7f8fa;
    --bg-card: #ffffff;
    --bg-muted: #f0f1f3;
    --text: #1a1a1a;
    --text-secondary: #5a5a5a;
    --text-muted: #8a8a8a;
    --red: #e31e24;
    --red-dark: #c41920;
    --red-glow: rgba(227, 30, 36, 0.15);
    --white: #ffffff;
    --border: rgba(0, 0, 0, 0.08);
    --border-red: rgba(227, 30, 36, 0.3);
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
    --font-main: 'Montserrat', sans-serif;
    --font-display: 'Playfair Display', serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
    --radius-lg: 20px;
    --header-h: 100px;
  }
  
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
  }
  
  body {
    font-family: var(--font-main);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }
  
  img {
    max-width: 100%;
    display: block;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  ul { list-style: none; }
  
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }
  
  .text-red { color: var(--red); }
  
  /* ---- Buttons ---- */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-main);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
  }
  
  .btn svg { width: 18px; height: 18px; }
  
  .btn--primary {
    background: var(--red);
    color: var(--white);
    box-shadow: 0 4px 20px var(--red-glow);
  }
  
  .btn--primary:hover {
    background: var(--red-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--red-glow);
  }
  
  .btn--outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
  }
  
  .btn--outline:hover {
    border-color: var(--red);
    color: var(--red);
    background: rgba(227, 30, 36, 0.04);
  }
  
  .btn--full { width: 100%; justify-content: center; }
  
  /* ---- Section ---- */
  .section {
    padding: 100px 0;
    position: relative;
  }
  
  .section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
  }
  
  .section__tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 16px;
  }
  
  .section__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
  }
  
  .section__desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
  }
  
  /* ============================================
     ROLE OVERLAY
     ============================================ */
  .role-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
  }
  
  .role-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
  
  .role-overlay__bg {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
  }
  
  .role-modal {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 48px 40px 40px;
    max-width: 600px;
    width: calc(100% - 32px);
    margin: 0 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: fadeUp 0.4s ease;
  }
  
  .role-modal__logo {
    width: min(320px, 85vw);
    margin: 0 auto 32px;
  }
  
  .role-modal__title {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 8px;
  }
  
  .role-modal__subtitle {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1rem;
  }
  
  .role-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  
  .role-cards--two {
    grid-template-columns: repeat(2, 1fr);
    max-width: 520px;
    margin: 0 auto;
  }
  
  .role-modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--bg);
    color: var(--text-muted);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
  }
  
  .role-modal__close:hover {
    color: var(--text);
    border-color: var(--red);
  }
  
  .role-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 20px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    color: var(--text);
    font-family: var(--font-main);
    box-shadow: var(--shadow-sm);
  }
  
  .role-card:hover {
    border-color: var(--red);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md), 0 0 0 1px var(--border-red);
  }
  
  .role-card__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(227, 30, 36, 0.1);
    border-radius: 50%;
    color: var(--red);
  }
  
  .role-card__icon svg { width: 28px; height: 28px; }
  
  .role-card__label {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
  }
  
  .role-card__desc {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
  }
  
  /* ============================================
     HEADER
     ============================================ */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    transition: var(--transition);
  }
  
  .header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
  }
  
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
  }
  
  .nav__logo {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
  }
  
  .nav__logo img {
    height: 82px;
    width: auto;
    object-fit: contain;
    object-position: center bottom;
    flex-shrink: 0;
    transform: translateY(-14px);
  }
  
  .nav__logo-text {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    padding: 4px 0 4px 14px;
    border-left: 2px solid var(--red);
    align-self: center;
  }
  
  .nav__logo-name {
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    color: var(--text);
    line-height: 1.1;
  }
  
  .nav__logo-tagline {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.28em;
    color: var(--text-secondary);
    line-height: 1.1;
  }
  
  @media (min-width: 1100px) {
    .nav__logo-text { display: flex; }
  }
  
  .nav__menu {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .nav__link {
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    border-radius: 4px;
  }
  
  .nav__link:hover { color: var(--text); }
  
  .nav__link--cta {
    background: var(--red);
    color: var(--white) !important;
    font-weight: 600;
    margin-left: 8px;
  }
  
  .nav__link--cta:hover {
    background: var(--red-dark);
  }
  
  .nav__role-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 16px;
    padding: 6px 12px;
    background: var(--bg-section);
    border: 1px solid var(--border-red);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
  }
  
  .nav__role-badge button {
    background: none;
    border: none;
    color: var(--red);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 4px;
    transition: var(--transition);
  }
  
  .nav__role-badge button:hover { transform: rotate(180deg); }
  
  .nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    transition: var(--transition);
  }
  
  .nav__toggle:hover {
    border-color: var(--border-red);
    background: var(--bg-section);
  }
  
  .nav__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
  }
  
  .nav__toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }
  
  .nav__toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  /* ============================================
     HERO
     ============================================ */
  .hero {
    min-height: auto;
    display: flex;
    flex-direction: column;
    position: relative;
    padding-top: var(--header-h);
    padding-bottom: 0;
  }
  
  .hero__carousel-section {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1440px;
    padding-top: 32px;
    padding-left: 20px;
    padding-right: 20px;
  }
  
  .hero__content-wrap {
    position: relative;
    z-index: 1;
    padding-top: 48px;
    padding-bottom: 100px;
  }
  
  .hero__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
  }
  
  .hero__bg-image {
    position: absolute;
    inset: 0;
    background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.06;
  }
  
  .hero__gradient {
    position: absolute;
    inset: 0;
    background:
      linear-gradient(135deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.92) 50%, rgba(247, 248, 250, 0.95) 100%),
      radial-gradient(ellipse at 20% 50%, rgba(227, 30, 36, 0.06) 0%, transparent 50%),
      radial-gradient(ellipse at 80% 60%, rgba(227, 30, 36, 0.04) 0%, transparent 40%);
  }
  
  .hero__grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  }
  
  .hero .container.hero__content-wrap {
    max-width: 1100px;
  }
  
  .hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
  }
  
  .hero__badge {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid var(--border-red);
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 24px;
    background: rgba(227, 30, 36, 0.08);
  }
  
  .hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 5.5vw, 4.2rem);
    font-weight: 700;
    line-height: 1.12;
    margin-bottom: 24px;
    max-width: 100%;
    letter-spacing: -0.01em;
  }
  
  .hero__desc {
    font-size: 1.12rem;
    color: var(--text-secondary);
    max-width: 100%;
    margin-bottom: 24px;
    line-height: 1.85;
  }
  
  .hero__highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
    justify-content: center;
  }
  
  .hero__highlights li {
    padding: 8px 16px;
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
  }
  
  .hero__highlights li::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--red);
    border-radius: 50%;
    margin-right: 8px;
    vertical-align: middle;
  }
  
  .hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    justify-content: center;
  }
  
  .hero__stats {
    display: flex;
    gap: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    justify-content: center;
  }
  
  /* Hero referans carousel */
  .hero__carousel-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
  }
  
  .hero__carousel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
  }
  
  .hero__carousel-tag {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--red);
  }
  
  .hero__carousel-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
  }
  
  .hero__carousel-link:hover { color: var(--red); }
  
  .hero-carousel {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  
  .hero-carousel__track {
    position: relative;
    min-height: 500px;
    max-height: 500px;
    overflow: hidden;
  }
  
  .hero-carousel__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    height: 100%;
  }
  
  .hero-carousel__slide.active {
    opacity: 1;
    visibility: visible;
    position: relative;
    height: 100%;
  }
  
  .hero-carousel__img {
    width: 55%;
    height: 100%;
    flex-shrink: 0;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
  }
  
  .hero-carousel__body {
    width: 55%;
    padding: 40px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #ffffff;
  }
  
  .hero-carousel__type {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 8px;
  }
  
  .hero-carousel__body h3 {
    font-size: 1.28rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
  }
  
  .hero-carousel__body p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
  }
  
  .hero-carousel__meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
  }
  
  .hero-carousel__dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    border-top: 1px solid var(--border);
    background: var(--bg-section);
  }
  
  .hero-carousel__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: var(--border);
    cursor: pointer;
    padding: 0;
    transition: var(--transition);
  }
  
  .hero-carousel__dot.active {
    background: var(--red);
    width: 24px;
    border-radius: 4px;
  }
  
  /* Hero alt bilgi şeridi */
  .hero__bar {
    position: relative;
    z-index: 2;
    margin-top: 40px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.04);
  }
  
  .hero__bar-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 20px 24px;
  }
  
  .hero__bar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
  }
  
  .hero__bar-item svg {
    width: 22px;
    height: 22px;
    color: var(--red);
    flex-shrink: 0;
  }
  
  .stat__num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
  }
  
  .stat__plus {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--red);
  }
  
  .stat__label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }
  
  .hero__scroll {
    display: none;
  }
  
  .hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--red), transparent);
  }
  
  /* ============================================
     SERVICES
     ============================================ */
  .services {
    background: var(--bg-section);
  }
  
  /* ============================================
     ABOUT (HAKKIMIZDA)
     ============================================ */
  .about {
    background: var(--bg);
  }
  
  .about__grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
  }
  
  .about__content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.85;
    margin-bottom: 18px;
  }
  
  .about__content p:last-child {
    margin-bottom: 0;
  }
  
  .services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }
  
  .service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--red);
    transform: scaleX(0);
    transition: var(--transition);
  }
  
  .service-card:hover {
    border-color: var(--border-red);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  
  .service-card:hover::before { transform: scaleX(1); }
  
  .service-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(227, 30, 36, 0.1);
    border-radius: 10px;
    color: var(--red);
    margin-bottom: 20px;
  }
  
  .service-card__icon svg { width: 26px; height: 26px; }
  
  .service-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
  }
  
  .service-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
  }
  
  /* ============================================
     ÇÖZÜM ORTAKLIĞI PROJELERİ
     ============================================ */
  .partnership {
    background: var(--bg);
  }
  
  .partnership__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  
  .partnership-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
  }
  
  .partnership-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-red);
    box-shadow: var(--shadow-lg);
  }
  
  .partnership-card__img {
    width: 100%;
    height: 320px;
    background-size: cover;
    background-position: center;
    position: relative;
  }
  
  .partnership-card__img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.25), transparent 50%);
  }
  
  .partnership-card__body {
    padding: 28px 28px 32px;
  }
  
  .partnership-card__type {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 10px;
  }
  
  .partnership-card__body h3 {
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
  }
  
  .partnership-card__body p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
  }
  
  /* ============================================
     BEFORE / AFTER
     ============================================ */
  .projects { background: var(--bg); }
  
  .project-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
  }
  
  .project-tab {
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
  }
  
  .project-tab:hover { border-color: var(--text-muted); color: var(--text); }
  
  .project-tab.active {
    background: var(--red);
    border-color: var(--red);
    color: var(--white);
  }
  
  .project-slide { display: none; }
  .project-slide.active { display: block; animation: fadeUp 0.5s ease; }
  
  .ba-comparison {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 28px;
    user-select: none;
  }
  
  .ba-comparison__container {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    cursor: col-resize;
  }
  
  .ba-comparison__after,
  .ba-comparison__before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .ba-comparison__before-wrap {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    overflow: hidden;
    z-index: 2;
  }
  
  .ba-comparison__before {
    max-width: none;
    height: 100%;
    object-fit: cover;
  }
  
  .ba-comparison__handle {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    z-index: 3;
    cursor: col-resize;
  }
  
  .ba-comparison__handle-line {
    width: 2px;
    height: 100%;
    background: var(--white);
    margin: 0 auto;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
  }
  
  .ba-comparison__handle-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    color: var(--text);
  }
  
  .ba-comparison__handle-circle svg { width: 22px; height: 22px; }
  
  .ba-comparison__label {
    position: absolute;
    top: 20px;
    z-index: 4;
    padding: 6px 16px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(10px);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
  }
  
  .ba-comparison__label--before { left: 20px; }
  .ba-comparison__label--after { right: 20px; }
  
  .project-slide__info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
  }
  
  .project-slide__info p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    max-width: 700px;
  }
  
  .project-slide__tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
  }
  
  .project-slide__tags span {
    padding: 4px 14px;
    background: rgba(227, 30, 36, 0.1);
    border: 1px solid var(--border-red);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--red);
    font-weight: 600;
  }
  
  /* ============================================
     REFERENCES
     ============================================ */
  .references { background: var(--bg-section); }
  
  .references__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
  }
  
  .ref-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
  }
  
  .ref-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-red);
    box-shadow: var(--shadow-md);
  }
  
  .ref-card__img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
  }
  
  .ref-card__img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-card), transparent);
  }
  
  .ref-card__body { padding: 24px; }
  
  .ref-card__type {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 8px;
  }
  
  .ref-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
  }
  
  .ref-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
  }
  
  .ref-card__meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
  }
  
  .references__logos { text-align: center; }
  
  .references__logos-title {
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 28px;
    font-weight: 600;
  }
  
  .logo-strip {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
  }
  
  .logo-strip__item {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-secondary);
    transition: var(--transition);
    letter-spacing: 0.08em;
    padding: 12px 24px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
  }
  
  .logo-strip__item:hover {
    color: var(--red);
    border-color: var(--border-red);
    background: rgba(227, 30, 36, 0.04);
  }
  
  /* ============================================
     QUOTE FORM
     ============================================ */
  .quote {
    background: var(--bg);
    position: relative;
  }
  
  .quote::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--red), transparent);
  }
  
  .quote__wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
  }
  
  .quote__info .section__tag,
  .quote__info .section__title,
  .quote__info .section__desc {
    text-align: left;
  }
  
  .quote__features {
    margin-top: 32px;
  }
  
  .quote__features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
  }
  
  .quote__features svg {
    width: 20px;
    height: 20px;
    color: var(--red);
    flex-shrink: 0;
  }
  
  .quote__role-info {
    margin-top: 24px;
    padding: 16px 20px;
    background: rgba(227, 30, 36, 0.06);
    border: 1px solid var(--border-red);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 12px;
  }
  
  .quote__role-info[hidden] {
    display: none;
  }
  
  .quote__role-info strong { color: var(--text); }
  .quote__role-info span { color: var(--red); font-weight: 600; }
  
  .quote__role-change {
    margin-left: auto;
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--border-red);
    border-radius: 20px;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
  }
  
  .quote__role-change:hover {
    color: var(--red);
    border-color: var(--red);
    background: rgba(227, 30, 36, 0.08);
  }
  
  .quote-placeholder {
    background: var(--bg-section);
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
  }
  
  .quote-placeholder__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(227, 30, 36, 0.1);
    border-radius: 50%;
    color: var(--red);
  }
  
  .quote-placeholder__icon svg { width: 32px; height: 32px; }
  
  .quote-placeholder h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
  }
  
  .quote-placeholder p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 400px;
    margin: 0 auto 24px;
    line-height: 1.7;
  }
  
  .quote-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
  }
  
  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  
  .form-row[hidden] {
    display: none;
  }
  
  .form-group {
    margin-bottom: 20px;
  }
  
  .form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: 0.03em;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font-main);
    font-size: 0.9rem;
    transition: var(--transition);
  }
  
  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px var(--red-glow);
  }
  
  .form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a8a8a8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
  }
  
  .form-group textarea { resize: vertical; min-height: 100px; }
  
  .file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 2;
  }
  
  .file-upload { position: relative; }
  
  .file-upload__area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
  }
  
  .file-upload__area svg {
    width: 40px;
    height: 40px;
    color: var(--text-muted);
    margin: 0 auto 12px;
  }
  
  .file-upload__area p {
    color: var(--text-secondary);
    font-size: 0.9rem;
  }
  
  .file-upload__area p span { color: var(--red); font-weight: 600; }
  .file-upload__area small { color: var(--text-muted); font-size: 0.75rem; }
  
  .file-upload:hover .file-upload__area,
  .file-upload.dragover .file-upload__area {
    border-color: var(--red);
    background: rgba(227, 30, 36, 0.05);
  }
  
  .file-upload__list {
    margin-top: 12px;
  }
  
  .file-upload__list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-section);
    border-radius: 6px;
    margin-bottom: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
  }
  
  .file-upload__list li button {
    background: none;
    border: none;
    color: var(--red);
    cursor: pointer;
    font-size: 1.1rem;
  }
  
  .form-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 16px;
  }
  
  .form-note strong { color: var(--text-secondary); }
  
  /* ============================================
     CONTACT
     ============================================ */
  .contact { background: var(--bg-section); }
  
  .contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
  }
  
  .contact__info {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  
  .contact-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
  }
  
  .contact-card:hover { border-color: var(--border-red); }
  
  .contact-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(227, 30, 36, 0.1);
    border-radius: 10px;
    color: var(--red);
    flex-shrink: 0;
  }
  
  .contact-card__icon svg { width: 22px; height: 22px; }
  
  .contact-card h4 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
  }
  
  .contact-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
  }
  
  .contact-card a {
    color: var(--text-secondary);
    transition: var(--transition);
  }
  
  .contact-card a:hover { color: var(--red); }
  
  .contact__map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    min-height: 400px;
    filter: grayscale(30%) contrast(1.1);
    transition: var(--transition);
  }
  
  .contact__map:hover { filter: grayscale(0%); }
  
  .contact__map iframe {
    width: 100%;
    height: 100%;
    min-height: 400px;
  }
  
  /* ============================================
     FOOTER
     ============================================ */
  .footer {
    background: var(--bg-section);
    border-top: 1px solid var(--border);
  }
  
  .footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 60px 24px 40px;
  }
  
  .footer__brand img {
    height: 90px;
    width: auto;
    margin-bottom: 16px;
  }
  
  .footer__brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 280px;
  }
  
  .footer__links h4,
  .footer__contact h4 {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--text);
  }
  
  .footer__links li { margin-bottom: 10px; }
  
  .footer__links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
  }
  
  .footer__links a:hover { color: var(--red); }
  
  .footer__contact p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
  }
  
  .footer__bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
  }
  
  .footer__bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
  }
  
  /* ============================================
     ANIMATIONS
     ============================================ */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  @keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
  }
  
  .fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  
  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* ============================================
     DESKTOP HERO — düzen iyileştirmesi
     ============================================ */
  @media (min-width: 1025px) {
    .hero__grid {
      background-size: 80px 80px;
      opacity: 0.45;
    }
  
    .hero__carousel-section {
      padding-top: 40px;
      padding-left: 24px;
      padding-right: 24px;
    }
  
    .hero__content-wrap {
      padding-top: 56px;
      padding-bottom: 100px;
    }
  
    .hero__badge {
      margin-bottom: 20px;
    }
  
    .hero__title {
      font-size: clamp(2.5rem, 4vw, 3.8rem);
      margin-bottom: 18px;
      line-height: 1.15;
    }
  
    .hero__desc {
      font-size: 1.1rem;
      line-height: 1.75;
      margin-bottom: 22px;
      max-width: 680px;
      margin-left: auto;
      margin-right: auto;
    }
  
    .hero__highlights {
      margin-bottom: 26px;
      gap: 8px;
    }
  
    .hero__highlights li {
      padding: 7px 14px;
      font-size: 0.75rem;
    }
  
    .hero__actions {
      margin-bottom: 0;
      gap: 12px;
    }
  
    .hero__stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 32px;
      padding-top: 28px;
      flex-wrap: nowrap;
      max-width: 720px;
      margin-left: auto;
      margin-right: auto;
    }
  
    .stat {
      min-width: 0;
    }
  
    .stat__num {
      font-size: 2.15rem;
    }
  
    .stat__label {
      font-size: 0.7rem;
      letter-spacing: 0.08em;
      margin-top: 6px;
    }
  
    .hero__carousel-header {
      margin-bottom: 14px;
    }
  
    .hero-carousel__track {
      height: auto;
      min-height: 380px;
    }
  
    .hero-carousel__img {
      width: 60%;
      min-height: 380px;
      background-position: center;
      background-size: cover;
    }
  
    .hero-carousel__body {
      width: 40%;
      padding: 36px 40px;
    }
  
    .hero__bar-inner {
      padding: 18px 24px;
    }
  }
  
  /* ============================================
     RESPONSIVE
     ============================================ */
  @media (max-width: 1100px) {
    .nav__toggle { display: flex; }
  
    .nav__menu {
      position: fixed;
      top: var(--header-h);
      left: 0;
      right: 0;
      background: rgba(255, 255, 255, 0.98);
      backdrop-filter: blur(20px);
      flex-direction: column;
      align-items: stretch;
      padding: 28px 24px 36px;
      gap: 0;
      border-bottom: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      transform: translateY(calc(-100% - var(--header-h)));
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: transform 0.35s ease, opacity 0.35s ease, visibility 0.35s ease;
    }
  
    .nav__menu li {
      width: 100%;
      margin-bottom: 6px;
    }
  
    .nav__menu li:last-child {
      margin-bottom: 0;
    }
  
    .nav__menu.open {
      transform: translateY(0);
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
    }
  
    .nav__link {
      display: block;
      width: 100%;
      text-align: center;
      padding: 16px 16px;
      font-size: 1rem;
      line-height: 1.4;
      border-radius: 8px;
    }
  
    .nav__link:hover {
      background: var(--bg-section);
    }
  
    .nav__link--cta {
      margin-left: 0;
      margin-top: 14px;
      margin-bottom: 6px;
      padding: 16px 20px;
      border-radius: 10px;
      font-size: 0.95rem;
      letter-spacing: 0.04em;
    }
  
    .nav__link--cta:hover {
      background: var(--red-dark);
    }
  
    .header.menu-open {
      background: rgba(255, 255, 255, 0.98);
      border-bottom: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }
  }
  
  @media (max-width: 1024px) {
    .hero {
      padding-bottom: 0;
    }
  
    .hero__carousel-section {
      padding-left: 20px;
      padding-right: 20px;
    }
  
    .hero__content-wrap {
      padding-top: 36px;
      padding-bottom: 28px;
    }
  
    .hero__carousel-wrap {
      width: 100%;
    }
  
    .hero__bar {
      position: relative;
      bottom: auto;
      left: auto;
      right: auto;
      z-index: 1;
      margin-top: 0;
    }
  
    .services__grid,
    .references__grid { grid-template-columns: repeat(2, 1fr); }
    .quote__wrapper { grid-template-columns: 1fr; }
    .footer__inner { grid-template-columns: repeat(2, 1fr); }
    .about__grid { grid-template-columns: 1fr; gap: 36px; }
    .partnership__grid { grid-template-columns: 1fr; }
  }
  
  @media (max-width: 768px) {
    :root { --header-h: 88px; }
  
    .role-cards,
    .role-cards--two { grid-template-columns: 1fr; }
    .role-modal__logo { width: min(260px, 80vw); }
  
    .nav__logo img {
      height: 64px;
      transform: translateY(-8px);
    }
  
    .nav__logo-text { display: none !important; }
  
    .hero__carousel-section {
      padding-top: 24px;
      padding-left: 16px;
      padding-right: 16px;
    }
  
    .hero__content-wrap {
      padding-top: 28px;
      padding-bottom: 24px;
      padding-left: 16px;
      padding-right: 16px;
    }
  
    .hero__title {
      font-size: clamp(2rem, 8vw, 2.8rem);
    }
  
    .hero__desc {
      font-size: 1rem;
      line-height: 1.75;
    }
  
    .hero__stats {
      gap: 28px;
      justify-content: space-around;
    }
  
    .stat__num { font-size: 2rem; }
  
    .hero-carousel__slide {
      flex-direction: column;
    }
  
    .hero-carousel__track { min-height: 440px; }
    .hero-carousel__img {
      width: 100%;
      min-height: 0;
      height: 220px;
    }
    .hero-carousel__body {
      width: 100%;
      padding: 20px;
    }
    .hero-carousel__body h3 { font-size: 1.15rem; }
  
    .hero__carousel-wrap { max-width: 100%; }
  
    .hero__carousel-header {
      margin-bottom: 12px;
    }
  
    .hero-carousel {
      border: 2px solid var(--border);
      box-shadow: var(--shadow-lg);
    }
  
    .hero-carousel__dots {
      gap: 10px;
      padding: 18px 16px 22px;
      background: var(--bg-muted);
    }
  
    .hero-carousel__dot {
      width: 10px;
      height: 10px;
      background: rgba(0, 0, 0, 0.12);
      border: 2px solid rgba(0, 0, 0, 0.08);
      flex-shrink: 0;
    }
  
    .hero-carousel__dot.active {
      width: 36px;
      height: 10px;
      background: var(--red);
      border-color: var(--red);
      box-shadow: 0 2px 10px var(--red-glow);
    }
  
    .hero__bar-inner {
      grid-template-columns: repeat(2, 1fr);
      padding: 20px 16px;
      gap: 14px;
    }
  
    .hero__scroll { display: none; }
  
    .nav__role-badge {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 100;
      margin: 0;
      box-shadow: var(--shadow-md);
    }
  
    .services__grid,
    .references__grid { grid-template-columns: 1fr; }
    .partnership__grid { grid-template-columns: 1fr; }
    .partnership-card__img { height: 240px; }
    .form-row { grid-template-columns: 1fr; }
    .contact__grid { grid-template-columns: 1fr; }
    .footer__inner { grid-template-columns: 1fr; text-align: center; }
    .footer__brand p { max-width: 100%; }
    .footer__brand img { margin: 0 auto 16px; }
    .quote-form { padding: 24px; }
    .section { padding: 70px 0; }
  }
  
  @media (max-width: 480px) {
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; justify-content: center; }
    .hero__highlights { flex-direction: column; align-items: center; }
    .hero__highlights li { width: 100%; text-align: center; }
    .hero__stats {
      flex-direction: column;
      gap: 20px;
      align-items: center;
    }
    .hero__bar-inner { grid-template-columns: 1fr; gap: 12px; }
    .hero__bar-item { justify-content: center; }
    .nav__logo img {
      height: 56px;
      transform: translateY(-6px);
    }
    .hero-carousel__track { min-height: 400px; }
    .hero-carousel__img { height: 190px; }
  
    .hero-carousel__dots {
      gap: 8px;
      padding: 16px 12px 20px;
    }
  
    .hero-carousel__dot {
      width: 9px;
      height: 9px;
    }
  
    .hero-carousel__dot.active {
      width: 30px;
      height: 9px;
    }
  
    .project-tabs { flex-direction: column; align-items: stretch; }
    .container { padding: 0 16px; }
  }