:root {
    --bg: #0a0a0f;
    --surface: #12121a;
    --card: #1a1a26;
    --accent: #ff3c00;
    --accent-hover: #e03500;
    --accent2: #00e5ff;
    --gold: #f5c842;
    --text: #f0eee8;
    --muted: #7a7a8c;
    --border: rgba(255,255,255,0.07);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    overflow-x: hidden;
  }

  /* NAV */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 60px;
    background: rgba(10,10,15,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
  }

  .nav-logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 28px;
    letter-spacing: 3px;
    color: var(--text);
    text-decoration: none;
  }
  .nav-logo span { color: var(--accent); }

  .nav-links { display: flex; gap: 36px; list-style: none; }
  .nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color .25s;
  }
  .nav-links a:hover, .nav-links a.active { color: var(--text); }

  .nav-cta {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 10px 24px;
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background .2s, transform .2s;
  }
  .nav-cta:hover { background: var(--accent-hover); transform: translateY(-2px); }

  /* HERO */
  .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 60px 80px;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 60% 60% at 70% 50%, rgba(255,60,0,0.12) 0%, transparent 70%),
      radial-gradient(ellipse 40% 40% at 20% 80%, rgba(0,229,255,0.08) 0%, transparent 60%);
  }

  .hero-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(var(--border) 1px, transparent 1px),
                      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.4;
  }

  .hero-content { position: relative; z-index: 2; max-width: 700px; }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,60,0,0.15);
    border: 1px solid rgba(255,60,0,0.3);
    color: var(--accent);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 14px;
    margin-bottom: 32px;
  }
  .hero-tag::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%,100% { opacity: 1; transform: scale(1); }
    50% { opacity: .4; transform: scale(1.5); box-shadow: 0 0 10px var(--accent); }
  }

  .hero h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(64px, 8vw, 120px);
    line-height: .9;
    letter-spacing: 2px;
    margin-bottom: 28px;
  }

  .hero h1 em { font-style: normal; color: var(--accent); }
  .hero h1 .outline { -webkit-text-stroke: 1px rgba(240,238,232,0.3); color: transparent; }
  
  /* Typewriter Cursor */
  .typewriter-text { color: var(--accent); border-right: 4px solid var(--accent); animation: blink 0.7s infinite; padding-right: 5px;}
  @keyframes blink { 50% { border-color: transparent; } }

  .hero-sub {
    font-size: 17px;
    font-weight: 300;
    color: var(--muted);
    max-width: 480px;
    line-height: 1.7;
    margin-bottom: 48px;
  }

  .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

  .btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 16px 36px;
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: .5px;
    cursor: pointer;
    transition: transform .2s, box-shadow .2s, background .2s;
    text-decoration: none;
    display: inline-block;
  }
  .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(255,60,0,0.4); }

  .btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    padding: 16px 36px;
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: border-color .2s, color .2s, background .2s;
    text-decoration: none;
    display: inline-block;
  }
  .btn-ghost:hover { border-color: var(--text); background: rgba(255,255,255,0.05); }

  .hero-stats {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 24px;
    z-index: 2;
  }

  .stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 24px 28px;
    text-align: center;
    min-width: 140px;
    transition: transform 0.3s, border-color 0.3s;
  }
  .stat-card:hover { transform: translateX(-10px); border-color: var(--accent); }

  .stat-num { font-family: 'Bebas Neue', sans-serif; font-size: 48px; color: var(--accent); line-height: 1; }
  .stat-label { font-size: 11px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 4px; }

  /* SECTIONS */
  section { padding: 100px 60px; position: relative; }

  .section-label {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
  }

  .section-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(42px, 5vw, 72px);
    line-height: 1;
    letter-spacing: 1px;
    margin-bottom: 16px;
  }

  .section-sub { color: var(--muted); font-size: 16px; font-weight: 300; max-width: 520px; line-height: 1.7; margin-bottom: 60px; }

  /* SERVICES */
  #hizmetler { background: var(--surface); }

  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
  }

  .service-card {
    background: var(--card);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
    transition: background .3s;
  }
  .service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 0;
    background: var(--accent);
    transition: height .4s ease;
  }
  .service-card:hover::before { height: 100%; }
  .service-card:hover { background: rgba(255,60,0,0.04); }

  .service-icon {
    width: 52px; height: 52px;
    background: rgba(255,60,0,0.1);
    border: 1px solid rgba(255,60,0,0.2);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 28px;
    transition: transform 0.3s;
  }
  .service-card:hover .service-icon { transform: scale(1.1); }

  .service-card h3 { font-family: 'Bebas Neue', sans-serif; font-size: 28px; letter-spacing: 1px; margin-bottom: 12px; }
  .service-card p { color: var(--muted); font-size: 14px; line-height: 1.7; }
  .service-tag { display: inline-block; margin-top: 20px; padding: 4px 12px; background: rgba(255,60,0,0.1); color: var(--accent); font-size: 11px; font-family: 'Space Mono', monospace; letter-spacing: 1px; }

  /* REFERANSLAR */
  #referanslar { background: var(--bg); }

  .logos-grid {
    display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px;
    background: var(--border); border: 1px solid var(--border); margin-bottom: 80px;
  }

  .logo-cell {
    background: var(--card); height: 100px;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Bebas Neue', sans-serif; font-size: 18px; letter-spacing: 2px;
    color: var(--muted); transition: color .3s, background .3s, transform 0.3s;
    position: relative; cursor: pointer;
  }
  .logo-cell:hover { color: var(--text); background: rgba(255,60,0,0.08); z-index: 2; transform: scale(1.05); border-radius: 4px; border: 1px solid var(--accent); }
  .logo-cell::after {
    content: attr(data-sector); position: absolute; bottom: 8px;
    font-family: 'Space Mono', monospace; font-size: 8px; letter-spacing: 1px;
    color: var(--accent); opacity: 0; transition: opacity .3s;
  }
  .logo-cell:hover::after { opacity: 1; }

/* YORUMLAR SLIDER & NOKTALAR */

  .reviews-wrapper { width: 100%; position: relative; }

  .reviews-slider { 
      display: flex; 
      gap: 20px; 
      overflow-x: auto; 
      scroll-snap-type: x mandatory; 
      padding-bottom: 20px; 
      -webkit-overflow-scrolling: touch; 
      scrollbar-width: none; 
      cursor: grab; /* Fare imlecini tutma eline çevirir */
  }

  .reviews-slider:active { cursor: grabbing; /* Tıklanınca yumruk yapan el olur */ }
  .reviews-slider::-webkit-scrollbar { display: none; }

  .review-card { 
      background: var(--card); 
      border: 1px solid var(--border); 
      padding: 36px; 
      position: relative; 
      transition: transform 0.3s; 
      min-width: 320px; 
      max-width: 380px; 
      flex-shrink: 0; 
      scroll-snap-align: start; 
      /* Masaüstünde metni seçmeyi engeller ki sürükleme kolay olsun */
      user-select: none; 
  }

  .review-card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.2); }
  .review-quote { font-family: 'Bebas Neue', sans-serif; font-size: 72px; color: var(--accent); opacity: 0.3; line-height: .7; margin-bottom: 12px; pointer-events: none;}
  .review-text { font-size: 15px; line-height: 1.75; color: var(--text); font-weight: 300; margin-bottom: 28px; pointer-events: none;}
  .review-author { display: flex; align-items: center; gap: 14px; pointer-events: none;}
  .review-avatar { width: 44px; height: 44px; background: var(--accent); display: flex; align-items: center; justify-content: center; font-family: 'Bebas Neue', sans-serif; font-size: 18px; color: #fff; flex-shrink: 0; }
  .review-name { font-weight: 600; font-size: 14px; }
  .review-biz { font-size: 12px; color: var(--muted); margin-top: 2px; }
  .stars { color: var(--gold); font-size: 13px; margin-bottom: 4px; pointer-events: none;}

  /* NOKTALAR (PAGINATION) TASARIMI */
  .slider-dots { display: flex; justify-content: center; gap: 8px; margin-top: 10px; }
  .slider-dots .dot { 
      width: 8px; 
      height: 8px; 
      background: rgba(255, 255, 255, 0.2); 
      border-radius: 50%; 
      cursor: pointer; 
      transition: all 0.3s ease; 
  }
  .slider-dots .dot.active { 
      background: var(--accent); 
      width: 24px; /* Aktif olan nokta uzar */
      border-radius: 4px; 
  }

  /* EBOOKS */
  #ebooks { background: var(--surface); }
  .ebooks-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
  .ebook-card { background: var(--bg); border: 1px solid var(--border); overflow: hidden; transition: transform .3s, border-color .3s, box-shadow 0.3s; cursor: pointer; }
  .ebook-card:hover { transform: translateY(-8px); border-color: rgba(255,60,0,0.5); box-shadow: 0 10px 30px rgba(255,60,0,0.1); }
  .ebook-cover { height: 180px; display: flex; align-items: center; justify-content: center; font-size: 48px; position: relative; }
  .ebook-cover::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 60px; background: linear-gradient(transparent, var(--bg)); }
  .ebook-body { padding: 20px; }
  .ebook-badge { display: inline-block; background: rgba(245,200,66,0.15); color: var(--gold); font-size: 10px; font-family: 'Space Mono', monospace; letter-spacing: 1px; padding: 3px 8px; margin-bottom: 10px; }
  .ebook-title { font-weight: 600; font-size: 15px; line-height: 1.4; margin-bottom: 8px; }
  .ebook-desc { font-size: 12px; color: var(--muted); line-height: 1.6; }
  .ebook-price { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
  .price-tag { font-family: 'Bebas Neue', sans-serif; font-size: 22px; color: var(--accent); }
  .price-btn { background: var(--accent); color: #fff; border: none; padding: 6px 14px; font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; transition: background .2s; }
  .price-btn:hover { background: var(--accent-hover); }

  /* INSTAGRAM SATIŞ */
  #hesap-satis { background: var(--bg); }
  .ig-header { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 24px; margin-bottom: 48px; }
  .ig-badge { display: inline-flex; align-items: center; gap: 8px; background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045); padding: 2px; margin-bottom: 16px; }
  .ig-badge-inner { background: var(--bg); padding: 6px 16px; font-size: 11px; font-family: 'Space Mono', monospace; letter-spacing: 1px; color: var(--text); }
  
  /* Filter Buttons */
  .filter-container { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
  .filter-btn { background: transparent; border: 1px solid var(--border); color: var(--muted); padding: 8px 16px; font-family: 'DM Sans', sans-serif; font-size: 12px; cursor: pointer; transition: all 0.3s; text-transform: uppercase; letter-spacing: 1px; }
  .filter-btn.active, .filter-btn:hover { background: rgba(253,29,29,0.1); border-color: #fd1d1d; color: #fff; }

  .accounts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
  .account-card { background: var(--card); border: 1px solid var(--border); padding: 24px; transition: border-color .3s, transform .3s, opacity 0.4s; }
  .account-card:hover { border-color: rgba(253,29,29,0.5); transform: translateY(-3px); box-shadow: 0 5px 20px rgba(0,0,0,0.5); }
  .account-card.hide { display: none; } /* For filtering */
  .account-header { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
  .account-avatar { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; background: linear-gradient(135deg, #833ab4, #fd1d1d); }
  .account-handle { font-weight: 600; font-size: 15px; }
  .account-niche { font-size: 12px; color: var(--muted); margin-top: 2px; }
  .account-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
  .acc-stat { text-align: center; padding: 10px; background: var(--surface); }
  .acc-stat-num { font-family: 'Bebas Neue', sans-serif; font-size: 20px; }
  .acc-stat-label { font-size: 10px; color: var(--muted); letter-spacing: .5px; margin-top: 2px; }
  .account-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
  .account-tag { padding: 3px 10px; background: rgba(0,229,255,0.08); border: 1px solid rgba(0,229,255,0.15); color: var(--accent2); font-size: 10px; font-family: 'Space Mono', monospace; letter-spacing: .5px; }
  .account-footer { display: flex; align-items: center; justify-content: space-between; }
  .account-price { font-family: 'Bebas Neue', sans-serif; font-size: 26px; color: var(--gold); }
  .account-price span { font-family: 'DM Sans', sans-serif; font-size: 12px; color: var(--muted); font-weight: 300; }
  .contact-btn { background: linear-gradient(135deg, #833ab4, #fd1d1d); color: #fff; border: none; padding: 8px 18px; font-size: 12px; font-weight: 600; cursor: pointer; transition: transform .2s, box-shadow 0.2s; text-decoration: none; }
  .contact-btn:hover { transform: scale(1.05); box-shadow: 0 5px 15px rgba(253,29,29,0.4); }
  
  .ig-note { margin-top: 40px; padding: 24px; background: var(--card); border-left: 3px solid var(--accent2); display: flex; gap: 16px; align-items: flex-start; }
  .ig-note-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
  .ig-note p { font-size: 14px; color: var(--muted); line-height: 1.7; }
  .ig-note strong { color: var(--text); }

  /* İLETİŞİM */
  #iletisim { background: var(--surface); text-align: center; }
  .contact-wrapper { max-width: 600px; margin: 0 auto; }
  .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 48px; text-align: left; }
  .contact-input { background: var(--card); border: 1px solid var(--border); color: var(--text); padding: 14px 18px; font-family: 'DM Sans', sans-serif; font-size: 14px; width: 100%; outline: none; transition: border-color .2s; }
  .contact-input:focus { border-color: var(--accent); }
  .contact-input::placeholder { color: var(--muted); }
  .contact-input.full { grid-column: 1 / -1; }
  textarea.contact-input { height: 120px; resize: none; }
  .submit-btn { grid-column: 1 / -1; background: var(--accent); color: #fff; border: none; padding: 16px; font-family: 'DM Sans', sans-serif; font-size: 14px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; transition: opacity .2s, transform .2s; width: 100%; }
  .submit-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }

  /* FOOTER */
  footer { background: var(--bg); border-top: 1px solid var(--border); padding: 40px 60px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
  .footer-logo { font-family: 'Bebas Neue', sans-serif; font-size: 24px; letter-spacing: 3px; }
  .footer-logo span { color: var(--accent); }
  footer p { font-size: 13px; color: var(--muted); }
  .footer-links { display: flex; gap: 24px; }
  .footer-links a { text-decoration: none; color: var(--muted); font-size: 13px; transition: color .2s; }
  .footer-links a:hover { color: var(--text); }

  /* WHATSAPP FLOAT BUTTON */
  .whatsapp-float {
    position: fixed;
    width: 60px; height: 60px;
    bottom: 40px; right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex; align-items: center; justify-content: center;
    text-decoration: none;
    transition: transform 0.3s;
    animation: pulse-wa 2s infinite;
  }
  .whatsapp-float:hover { transform: scale(1.1); }
  @keyframes pulse-wa {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
  }

  /* ANIMATIONS */
  @keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
  .animate { animation: fadeUp .7s ease both; }
  .delay-1 { animation-delay: .1s; }
  .delay-2 { animation-delay: .2s; }
  .delay-3 { animation-delay: .35s; }
  .delay-4 { animation-delay: .5s; }

  @media (max-width: 900px) {
    nav { padding: 16px 24px; }
    .nav-links { display: none; }
    section { padding: 70px 24px; }
    .hero { padding: 100px 24px 60px; }
    .hero-stats { display: none; }
    .logos-grid { grid-template-columns: repeat(3, 1fr); }
    .ig-header { flex-direction: column; align-items: flex-start; }
    footer { padding: 30px 24px; flex-direction: column; text-align: center; }
    .whatsapp-float { bottom: 20px; right: 20px; width: 50px; height: 50px; font-size: 25px; }
  }