:root {
      --color-bg-base: #ffffff;
      --color-bg-surface: #f8fafc;
      --color-bg-card: #ffffff;
      --color-border: #e2e8f0;
      --color-text-primary: #0f172a;
      --color-text-secondary: #475569;
      --color-primary: #2563eb;
      --color-primary-hover: #1d4ed8;
      --color-accent: #4f46e5;
      --color-emerald: #10b981;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background-color: var(--color-bg-base);
      color: var(--color-text-primary);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Soft ambient background glow */
    .bg-glow {
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 100%;
      height: 800px;
      background: radial-gradient(circle 800px at 50% -200px, rgba(37, 99, 235, 0.08), rgba(79, 70, 229, 0.04), transparent 80%);
      z-index: 0;
      pointer-events: none;
    }

    /* Header & Navigation */
    #header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 50;
      background: rgba(255, 255, 255, 0.8);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--color-border);
      transition: all 0.3s ease;
    }

    #header.scrolled {
      background: rgba(255, 255, 255, 0.95);
      box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 80px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--color-text-primary);
      text-decoration: none;
      letter-spacing: -0.5px;
    }

    .logo span {
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-links a {
      color: var(--color-text-secondary);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      transition: color 0.2s ease;
    }

    .nav-links a:hover {
      color: var(--color-primary);
    }

    .nav-links a.btn-primary,
    .nav-links a.btn-primary:hover {
      color: #fff;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 20px;
      border-radius: 10px;
      text-decoration: none;
      font-size: 14px;
      font-weight: 600;
      transition: all 0.2s ease;
      cursor: pointer;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      color: #fff;
      box-shadow: 0 10px 20px -10px rgba(37, 99, 235, 0.3);
      border: none;
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px -8px rgba(37, 99, 235, 0.4);
    }

    .btn-secondary {
      background: #ffffff;
      border: 1px solid var(--color-border);
      color: var(--color-text-primary);
    }

    .btn-secondary:hover {
      background: var(--color-bg-surface);
      border-color: #cbd5e1;
    }

    /* Mobile menu button */
    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
    }

    .menu-toggle span {
      display: block;
      width: 25px;
      height: 2px;
      background-color: var(--color-text-primary);
      transition: 0.3s;
    }

    /* Hero Section */
    .hero {
      position: relative;
      padding: 140px 0 60px;
      text-align: left;
      z-index: 10;
    }

    .hero-banner-card {
      background: transparent;
      border: none;
      border-radius: 0;
      padding: 20px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 60px;
      position: relative;
      overflow: hidden;
    }

    .hero-content {
      flex: 1.3;
      z-index: 5;
    }

    .hero-graphic {
      flex: 0.7;
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 5;
    }

    .hero h1 {
      font-size: 46px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
      color: var(--color-text-primary);
    }

    .hero p {
      font-size: 16px;
      color: var(--color-text-secondary);
      max-width: 580px;
      margin: 0 0 32px;
      line-height: 1.6;
    }

    .hero-ctas {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      gap: 16px;
    }

    .hero-ctas .btn {
      padding: 14px 28px;
      font-size: 15px;
    }

    /* Sections General styling */
    section {
      padding: 100px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      margin-bottom: 60px;
    }

    .section-subtitle {
      font-size: 13px;
      font-weight: 700;
      color: var(--color-primary);
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 38px;
      font-weight: 800;
      letter-spacing: -1px;
      color: var(--color-text-primary);
    }

    /* Kurumsal (About) Section */
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 60px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 24px;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .about-content p {
      color: var(--color-text-secondary);
      margin-bottom: 24px;
      font-size: 16px;
      line-height: 1.7;
    }

    .about-features {
      list-style: none;
    }

    .about-features li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 16px;
      color: var(--color-text-primary);
      font-size: 15px;
    }

    .about-features li svg {
      color: var(--color-primary);
      margin-top: 3px;
      flex-shrink: 0;
    }

    .about-illustration {
      position: relative;
      border-radius: 20px;
      background: var(--color-bg-surface);
      border: 1px solid var(--color-border);
      padding: 40px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .illustration-glow {
      position: absolute;
      top: -50px;
      right: -50px;
      width: 200px;
      height: 200px;
      background: radial-gradient(circle, rgba(79, 70, 229, 0.08), transparent 70%);
      pointer-events: none;
    }

    /* Özellikler (Features) Section */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .feature-card {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border);
      border-radius: 16px;
      padding: 32px;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      border-color: rgba(37, 99, 235, 0.2);
      box-shadow: 0 20px 40px -20px rgba(37, 99, 235, 0.08);
    }

    .feature-icon-wrapper {
      display: none;
    }

    .feature-card h3 {
      font-size: 18px;
      margin-bottom: 12px;
      font-weight: 700;
      color: var(--color-text-primary);
      line-height: 1.4;
    }

    .feature-card p {
      color: var(--color-text-secondary);
      font-size: 14px;
      line-height: 1.6;
    }

    /* Fiyat Hesaplayıcı (Pricing Calculator) Section */
    .calculator-container {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border);
      border-radius: 24px;
      box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.05);
      overflow: hidden;
      max-width: 1000px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.3fr 0.9fr;
      align-items: start;
    }

    .calculator-options {
      padding: 40px;
      border-right: 1px solid var(--color-border);
    }

    .calculator-summary {
      padding: 40px;
      background: var(--color-bg-surface);
      display: flex;
      flex-direction: column;
      position: sticky;
      top: 100px;
    }

    .calc-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 24px;
      color: var(--color-text-primary);
      border-bottom: 1px solid var(--color-border);
      padding-bottom: 12px;
    }

    .option-group {
      margin-bottom: 28px;
    }

    .option-label-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
    }

    .option-label {
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--color-text-secondary);
    }

    /* Freq selection buttons */
    .freq-selector {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
    }

    .freq-option {
      position: relative;
    }

    .freq-option input {
      position: absolute;
      opacity: 0;
      width: 0;
      height: 0;
    }

    .freq-box {
      border: 1px solid var(--color-border);
      border-radius: 10px;
      padding: 12px;
      text-align: center;
      cursor: pointer;
      font-size: 13px;
      font-weight: 600;
      transition: all 0.2s;
      color: var(--color-text-secondary);
    }

    .freq-option input:checked + .freq-box {
      border-color: var(--color-primary);
      background: rgba(37, 99, 235, 0.03);
      color: var(--color-primary);
    }

    .freq-price {
      font-size: 11px;
      margin-top: 4px;
      opacity: 0.8;
    }

    /* Toggles */
    .switch-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 16px;
      background: var(--color-bg-surface);
      border: 1px solid var(--color-border);
      border-radius: 12px;
      margin-bottom: 12px;
    }

    .switch-info {
      max-width: 80%;
    }

    .switch-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--color-text-primary);
    }

    .switch-desc {
      font-size: 11px;
      color: var(--color-text-secondary);
      margin-top: 2px;
    }

    /* Toggle switch */
    .switch {
      position: relative;
      display: inline-block;
      width: 44px;
      height: 24px;
      flex-shrink: 0;
    }

    .switch input {
      opacity: 0;
      width: 0;
      height: 0;
    }

    .slider {
      position: absolute;
      cursor: pointer;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: #cbd5e1;
      transition: .3s;
      border-radius: 24px;
    }

    .slider:before {
      position: absolute;
      content: "";
      height: 18px;
      width: 18px;
      left: 3px;
      bottom: 3px;
      background-color: white;
      transition: .3s;
      border-radius: 50%;
    }

    input:checked + .slider {
      background-color: var(--color-primary);
    }

    input:checked + .slider:before {
      transform: translateX(20px);
    }

    /* Custom range slider */
    .range-wrapper {
      padding: 12px 16px;
      background: var(--color-bg-surface);
      border: 1px solid var(--color-border);
      border-radius: 12px;
    }

    .range-input {
      width: 100%;
      height: 6px;
      background: #cbd5e1;
      border-radius: 3px;
      outline: none;
      -webkit-appearance: none;
      margin: 12px 0 6px;
    }

    .range-input::-webkit-slider-thumb {
      -webkit-appearance: none;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--color-primary);
      cursor: pointer;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    /* Right Summary panel */
    .summary-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--color-text-primary);
    }

    .price-box {
      margin: 24px 0;
      text-align: center;
      padding: 24px;
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 16px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    }

    .price-box .price {
      font-size: 48px;
      font-weight: 800;
      color: var(--color-primary);
      line-height: 1.1;
      letter-spacing: -1.5px;
    }

    .price-box .period {
      font-size: 13px;
      color: var(--color-text-secondary);
      margin-top: 4px;
    }

    .calc-features-list {
      list-style: none;
      font-size: 13px;
      color: var(--color-text-secondary);
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 24px;
    }

    .calc-features-list li {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .calc-features-list svg {
      color: var(--color-emerald);
      flex-shrink: 0;
    }

    .domain-note {
      font-size: 12px;
      font-weight: 600;
      color: #b91c1c;
      background: rgba(220, 38, 38, 0.05);
      border: 1px dashed rgba(220, 38, 38, 0.2);
      padding: 10px;
      border-radius: 8px;
      text-align: center;
      margin-bottom: 24px;
    }

    /* İletişim (Contact) Section */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 60px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .contact-info {
      display: flex;
      flex-direction: column;
      gap: 32px;
    }

    .contact-item {
      display: flex;
      gap: 16px;
    }

    .contact-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(37, 99, 235, 0.05);
      border: 1px solid rgba(37, 99, 235, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      flex-shrink: 0;
    }

    .contact-item h4 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .contact-item p {
      color: var(--color-text-secondary);
      font-size: 14px;
    }

    .contact-form {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border);
      border-radius: 20px;
      padding: 40px;
      box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.05);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 12px;
      font-weight: 600;
      color: var(--color-text-secondary);
      margin-bottom: 8px;
    }

    .form-input {
      width: 100%;
      padding: 12px 16px;
      background: var(--color-bg-surface);
      border: 1px solid var(--color-border);
      border-radius: 10px;
      color: var(--color-text-primary);
      font-family: inherit;
      font-size: 14px;
      transition: all 0.2s ease;
    }

    .form-input:focus {
      outline: none;
      border-color: var(--color-primary);
      box-shadow: 0 0 0 1px var(--color-primary);
    }

    textarea.form-input {
      resize: vertical;
      min-height: 120px;
    }

    /* Footer */
    footer {
      background: var(--color-bg-surface);
      border-top: 1px solid var(--color-border);
      padding: 60px 0 30px;
      color: var(--color-text-secondary);
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 60px;
    }

    .footer-brand p {
      margin-top: 16px;
      max-width: 320px;
      line-height: 1.6;
    }

    .footer-col h4 {
      color: var(--color-text-primary);
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 20px;
    }

    .footer-col ul {
      list-style: none;
    }

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

    .footer-col ul li a {
      color: var(--color-text-secondary);
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .footer-col ul li a:hover {
      color: var(--color-primary);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 30px;
      border-top: 1px solid var(--color-border);
      font-size: 12px;
    }

    /* Keyframes */
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: .4; }
    }

    /* === Hero Mini Rozetler === */
    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
      padding-top: 22px;
      border-top: 1px dashed var(--color-border);
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      background: rgba(37, 99, 235, 0.04);
      border: 1px solid rgba(37, 99, 235, 0.15);
      border-radius: 999px;
      font-size: 12.5px;
      font-weight: 700;
      color: var(--color-text-primary);
    }
    .hero-badge.emerald { background: rgba(16, 185, 129, 0.05); border-color: rgba(16, 185, 129, 0.18); }
    .hero-badge.amber   { background: rgba(245, 158, 11, 0.05); border-color: rgba(245, 158, 11, 0.18); }
    .hero-badge svg { width: 14px; height: 14px; }

    /* === Kampanya Bannerı (Promo Pill) === */
    .promo-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(79, 70, 229, 0.05));
      border: 1px solid rgba(37, 99, 235, 0.2);
      border-radius: 999px;
      font-size: 12.5px;
      font-weight: 600;
      color: var(--color-primary);
      margin-bottom: 20px;
    }
    .promo-pill-tag {
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      color: #fff;
      font-size: 10px;
      font-weight: 800;
      text-transform: uppercase;
      padding: 2px 8px;
      border-radius: 999px;
      letter-spacing: 0.5px;
      line-height: 1.4;
    }

    /* === Sektörler ve Platformlar Şeritleri === */
    .strip-section {
      padding: 50px 0;
      border-top: 1px solid var(--color-border);
      border-bottom: 1px solid var(--color-border);
      background: var(--color-bg-surface);
    }
    .strip-label {
      text-align: center;
      font-size: 12px;
      font-weight: 700;
      color: var(--color-text-secondary);
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 24px;
    }
    .icon-row {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
      gap: 14px;
      max-width: 1100px;
      margin: 0 auto;
    }

    /* === Marquee (sürekli kayan iki yönlü şerit) === */
    .marquee {
      position: relative;
      overflow: hidden;
      mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
      -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
      padding: 6px 0;
    }
    .marquee-row {
      display: flex;
      gap: 14px;
      width: max-content;
      will-change: transform;
    }
    .marquee-row.dir-left  { animation: marquee-left  45s linear infinite; }
    .marquee-row.dir-right { animation: marquee-right 50s linear infinite; }
    .marquee:hover .marquee-row { animation-play-state: paused; }
    @keyframes marquee-left {
      from { transform: translateX(0); }
      to   { transform: translateX(-50%); }
    }
    @keyframes marquee-right {
      from { transform: translateX(-50%); }
      to   { transform: translateX(0); }
    }
    .marquee .icon-tile {
      flex-shrink: 0;
      width: 180px;
    }
    .icon-tile {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      padding: 16px 12px;
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 12px;
      transition: all 0.2s ease;
    }
    .icon-tile:hover {
      border-color: rgba(37,99,235,0.25);
      transform: translateY(-2px);
      box-shadow: 0 8px 16px -8px rgba(0,0,0,0.06);
    }
    .icon-tile .ic-circle {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(79,70,229,0.05));
      display: flex; align-items: center; justify-content: center;
      color: var(--color-primary);
    }
    .icon-tile .ic-circle.emerald { background: linear-gradient(135deg, rgba(16,185,129,0.10), rgba(5,150,105,0.06)); color: var(--color-emerald); }
    .icon-tile .ic-circle.amber   { background: linear-gradient(135deg, rgba(245,158,11,0.10), rgba(217,119,6,0.06)); color: #d97706; }
    .icon-tile .ic-circle.purple  { background: linear-gradient(135deg, rgba(139,92,246,0.10), rgba(124,58,237,0.06)); color: #7c3aed; }
    .icon-tile .ic-circle.rose    { background: linear-gradient(135deg, rgba(244,63,94,0.10), rgba(225,29,72,0.06)); color: #e11d48; }
    .icon-tile .name {
      font-size: 12.5px;
      font-weight: 700;
      color: var(--color-text-primary);
      text-align: center;
      line-height: 1.3;
    }
    .icon-tile .sub {
      font-size: 10.5px;
      color: var(--color-text-secondary);
      text-align: center;
    }

    /* === Teknik Özellikler Kartı === */
    .specs-card {
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 20px;
      padding: 36px;
      max-width: 1000px;
      margin: 30px auto 0;
      box-shadow: 0 12px 30px -18px rgba(0,0,0,0.06);
    }
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .spec-item {
      text-align: center;
      padding: 14px 8px;
      border-right: 1px solid var(--color-border);
    }
    .spec-item:last-child { border-right: none; }
    .spec-item .val {
      font-size: 22px;
      font-weight: 800;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1;
      margin-bottom: 6px;
    }
    .spec-item .lbl {
      font-size: 12px;
      color: var(--color-text-secondary);
      font-weight: 600;
    }
    .spec-item .desc {
      font-size: 10.5px;
      color: var(--color-text-secondary);
      margin-top: 4px;
      line-height: 1.4;
    }

    /* === Karşılaştırma Tablosu (Geleneksel vs Yedekalma) === */
    .compare-wrap-v2 {
      max-width: 1000px;
      margin: 30px auto 0;
    }
    .compare-table-v2 {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 16px;
      overflow: hidden;
      font-size: 14px;
    }
    .compare-table-v2 thead th {
      padding: 18px 20px;
      background: var(--color-bg-surface);
      font-weight: 700;
      font-size: 13px;
      color: var(--color-text-primary);
      text-align: center;
      border-bottom: 1px solid var(--color-border);
    }
    .compare-table-v2 thead th:first-child {
      text-align: left;
      background: #fff;
    }
    .compare-table-v2 thead th.col-us {
      background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(79,70,229,0.05));
      color: var(--color-primary);
      font-size: 14px;
    }
    .compare-table-v2 tbody td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--color-border);
      vertical-align: middle;
      font-size: 13.5px;
    }
    .compare-table-v2 tbody tr:last-child td { border-bottom: none; }
    .compare-table-v2 tbody td:first-child {
      font-weight: 600;
      color: var(--color-text-primary);
    }
    .compare-table-v2 tbody td.col-classic {
      color: #b91c1c;
      text-align: center;
    }
    .compare-table-v2 tbody td.col-us {
      color: #047857;
      font-weight: 700;
      text-align: center;
      background: rgba(16,185,129,0.025);
    }

    /* === SLA Banner === */
    .sla-strip {
      background: linear-gradient(135deg, rgba(37,99,235,0.04), rgba(79,70,229,0.03));
      border-top: 1px solid var(--color-border);
      border-bottom: 1px solid var(--color-border);
      padding: 36px 0;
    }
    .sla-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      max-width: 1100px;
      margin: 0 auto;
      align-items: center;
    }
    .sla-item {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .sla-item .sla-ic {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: #fff;
      border: 1px solid var(--color-border);
      display: flex; align-items: center; justify-content: center;
      color: var(--color-primary);
      flex-shrink: 0;
    }
    .sla-item .ttl {
      font-size: 14.5px;
      font-weight: 800;
      color: var(--color-text-primary);
      line-height: 1.2;
    }
    .sla-item .sub {
      font-size: 11.5px;
      color: var(--color-text-secondary);
      margin-top: 2px;
    }

    /* === Güvenlik Rozet Grid'i === */
    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 1100px;
      margin: 0 auto;
    }
    .sec-card {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 20px 22px;
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      transition: all 0.25s ease;
    }
    .sec-card:hover {
      transform: translateY(-3px);
      border-color: rgba(37, 99, 235, 0.25);
      box-shadow: 0 14px 30px -16px rgba(37, 99, 235, 0.18);
    }
    .sec-card .ic {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.10), rgba(79, 70, 229, 0.07));
      color: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .sec-card .ic.emerald {
      background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(5, 150, 105, 0.07));
      color: var(--color-emerald);
    }
    .sec-card .ic.amber {
      background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(217, 119, 6, 0.07));
      color: #d97706;
    }
    .sec-card .ic.purple {
      background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(124, 58, 237, 0.07));
      color: #7c3aed;
    }
    .sec-card .ttl {
      font-size: 14px;
      font-weight: 700;
      color: var(--color-text-primary);
      line-height: 1.3;
    }
    .sec-card .sub {
      font-size: 12px;
      color: var(--color-text-secondary);
      margin-top: 4px;
      line-height: 1.4;
    }

    /* === How It Works === */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border);
      border-radius: 16px;
      padding: 28px;
      position: relative;
      transition: all 0.3s ease;
    }
    .step-card:hover {
      border-color: rgba(37, 99, 235, 0.2);
      transform: translateY(-3px);
    }
    .step-number {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
      margin-bottom: 18px;
    }
    .step-card h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--color-text-primary);
    }
    .step-card p {
      font-size: 13px;
      color: var(--color-text-secondary);
      line-height: 1.6;
    }

    /* === Comparison Table === */
    .compare-wrap {
      max-width: 1000px;
      margin: 0 auto;
      overflow-x: auto;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 16px;
      overflow: hidden;
      font-size: 14px;
    }
    .compare-table th, .compare-table td {
      padding: 16px 18px;
      text-align: center;
      border-bottom: 1px solid var(--color-border);
    }
    .compare-table th {
      background: var(--color-bg-surface);
      font-weight: 700;
      color: var(--color-text-primary);
      font-size: 13px;
    }
    .compare-table th.us-col {
      background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(79,70,229,0.05));
      color: var(--color-primary);
    }
    .compare-table td:first-child, .compare-table th:first-child {
      text-align: left;
      font-weight: 600;
      color: var(--color-text-primary);
    }
    .compare-table tr:last-child td { border-bottom: none; }
    .check-yes { color: var(--color-emerald); font-weight: 700; }
    .check-no { color: #cbd5e1; }
    .check-partial { color: #f59e0b; }

    /* === Testimonials === */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border);
      border-radius: 16px;
      padding: 28px;
      transition: all 0.3s ease;
    }
    .testi-card:hover {
      border-color: rgba(37,99,235,0.2);
      box-shadow: 0 20px 40px -20px rgba(0,0,0,0.05);
    }
    .testi-stars { color: #f59e0b; margin-bottom: 14px; letter-spacing: 2px; }
    .testi-text {
      color: var(--color-text-primary);
      font-size: 14px;
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .testi-author { display: flex; align-items: center; gap: 12px; }
    .testi-avatar {
      width: 40px; height: 40px; border-radius: 50%;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      color: #fff;
      display: flex; align-items: center; justify-content: center;
      font-weight: 700; font-size: 14px;
    }
    .testi-author .name { font-weight: 700; font-size: 13px; color: var(--color-text-primary); }
    .testi-author .role { font-size: 11px; color: var(--color-text-secondary); }

    /* === FAQ === */
    .faq-wrap { max-width: 800px; margin: 0 auto; }
    .faq-item {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border);
      border-radius: 12px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: all 0.2s ease;
    }
    .faq-item.open { border-color: rgba(37,99,235,0.3); }
    .faq-q {
      width: 100%;
      padding: 18px 24px;
      background: none;
      border: none;
      text-align: left;
      font-size: 15px;
      font-weight: 600;
      color: var(--color-text-primary);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-family: inherit;
    }
    .faq-q .icon {
      width: 24px; height: 24px;
      border-radius: 50%;
      background: var(--color-bg-surface);
      color: var(--color-primary);
      display: flex; align-items: center; justify-content: center;
      transition: transform 0.2s ease;
      flex-shrink: 0;
      margin-left: 16px;
    }
    .faq-item.open .faq-q .icon { transform: rotate(45deg); }
    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      color: var(--color-text-secondary);
      font-size: 14px;
      line-height: 1.7;
    }
    .faq-item.open .faq-a { max-height: 400px; padding: 0 24px 20px; }

    /* === Trust / Compliance badges === */
    .trust-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-top: 40px;
    }
    .trust-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 999px;
      padding: 10px 18px;
      font-size: 12px;
      font-weight: 700;
      color: var(--color-text-primary);
    }
    .trust-badge svg { color: var(--color-emerald); }

    /* === Bottom CTA Banner === */
    .cta-banner {
      background: linear-gradient(135deg, #1e3a8a, #4338ca);
      border-radius: 24px;
      padding: 60px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .cta-banner::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1), transparent 60%);
      pointer-events: none;
    }
    .cta-banner h2 {
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 14px;
      position: relative;
    }
    .cta-banner p {
      font-size: 15px;
      opacity: 0.85;
      max-width: 600px;
      margin: 0 auto 28px;
      position: relative;
    }
    .cta-banner .btn {
      background: #fff;
      color: var(--color-primary);
      font-weight: 700;
      padding: 14px 32px;
      position: relative;
    }
    .cta-banner .btn:hover { transform: translateY(-2px); }

    /* === KVKK Uyumlu Cookie Consent === */
    .cookie-banner {
      position: fixed;
      bottom: 20px;
      left: 20px;
      right: 20px;
      max-width: 1140px;
      margin: 0 auto;
      background: #0f172a;
      color: #fff;
      border-radius: 16px;
      padding: 18px 26px;
      box-shadow: 0 30px 60px -10px rgba(0,0,0,0.5);
      z-index: 100;
      transform: translateY(180%);
      transition: transform 0.4s ease;
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .cookie-banner.show { transform: translateY(0); }
    .cookie-text-block { flex: 1; min-width: 0; }
    .cookie-title {
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .cookie-title svg { color: #60a5fa; }
    .cookie-banner p {
      font-size: 12.5px;
      line-height: 1.5;
      color: #cbd5e1;
      margin-bottom: 0;
    }
    .cookie-banner p a { color: #60a5fa; text-decoration: underline; }
    .cookie-actions {
      display: flex;
      gap: 8px;
      flex-shrink: 0;
    }
    .cookie-actions button { min-width: 130px; }
    .cookie-actions button {
      border: none;
      padding: 10px 12px;
      border-radius: 9px;
      font-size: 12.5px;
      font-weight: 700;
      cursor: pointer;
      font-family: inherit;
      transition: all 0.15s ease;
      white-space: nowrap;
    }
    .cookie-actions .btn-accept {
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      color: #fff;
    }
    .cookie-actions .btn-accept:hover { transform: translateY(-1px); }
    .cookie-actions .btn-reject {
      background: rgba(255,255,255,0.08);
      color: #e2e8f0;
    }
    .cookie-actions .btn-reject:hover { background: rgba(255,255,255,0.14); }
    .cookie-actions .btn-customize {
      background: rgba(255,255,255,0.04);
      color: #cbd5e1;
      border: 1px solid rgba(255,255,255,0.12);
    }
    .cookie-actions .btn-customize:hover { background: rgba(255,255,255,0.10); }

    /* === Cookie Preferences Modal === */
    .cookie-modal-backdrop {
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(6px);
      z-index: 101;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }
    .cookie-modal-backdrop.show { display: flex; }
    .cookie-modal {
      background: #fff;
      border-radius: 18px;
      max-width: 560px;
      width: 100%;
      max-height: 88vh;
      overflow-y: auto;
      box-shadow: 0 30px 60px -10px rgba(0,0,0,0.4);
    }
    .cookie-modal-head {
      padding: 24px 28px;
      border-bottom: 1px solid var(--color-border);
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
    }
    .cookie-modal-head h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--color-text-primary);
      margin-bottom: 4px;
    }
    .cookie-modal-head p {
      font-size: 12px;
      color: var(--color-text-secondary);
    }
    .cookie-modal-close {
      background: var(--color-bg-surface);
      border: none;
      width: 32px;
      height: 32px;
      border-radius: 8px;
      cursor: pointer;
      color: var(--color-text-secondary);
      font-size: 18px;
      font-family: inherit;
      flex-shrink: 0;
      margin-left: 12px;
    }
    .cookie-modal-close:hover { color: var(--color-text-primary); }
    .cookie-modal-body { padding: 16px 28px; }
    .cookie-category {
      padding: 18px 0;
      border-bottom: 1px solid var(--color-border);
    }
    .cookie-category:last-child { border-bottom: none; }
    .cookie-cat-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
      margin-bottom: 8px;
    }
    .cookie-cat-head h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--color-text-primary);
    }
    .cookie-category p {
      font-size: 12.5px;
      color: var(--color-text-secondary);
      line-height: 1.6;
    }
    .cookie-cat-tag {
      font-size: 10px;
      font-weight: 700;
      background: var(--color-bg-surface);
      color: var(--color-text-secondary);
      padding: 3px 8px;
      border-radius: 999px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-left: 8px;
    }
    .cookie-cat-tag.required {
      background: rgba(16,185,129,0.1);
      color: #047857;
    }
    /* Toggle switch */
    .cookie-switch {
      position: relative;
      display: inline-block;
      width: 42px;
      height: 24px;
      flex-shrink: 0;
    }
    .cookie-switch input { opacity: 0; width: 0; height: 0; }
    .cookie-switch .sw {
      position: absolute;
      cursor: pointer;
      top: 0; left: 0; right: 0; bottom: 0;
      background-color: #cbd5e1;
      transition: 0.25s;
      border-radius: 999px;
    }
    .cookie-switch .sw:before {
      position: absolute;
      content: "";
      height: 18px; width: 18px;
      left: 3px; bottom: 3px;
      background-color: #fff;
      transition: 0.25s;
      border-radius: 50%;
    }
    .cookie-switch input:checked + .sw { background-color: var(--color-primary); }
    .cookie-switch input:checked + .sw:before { transform: translateX(18px); }
    .cookie-switch input:disabled + .sw {
      background-color: #10b981;
      cursor: not-allowed;
      opacity: 0.85;
    }
    .cookie-switch input:disabled + .sw:before { transform: translateX(18px); }
    .cookie-modal-foot {
      padding: 18px 28px 24px;
      border-top: 1px solid var(--color-border);
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .cookie-modal-foot .row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .cookie-modal-foot button {
      padding: 12px 14px;
      border-radius: 10px;
      font-size: 13px;
      font-weight: 700;
      cursor: pointer;
      font-family: inherit;
      border: none;
      transition: all 0.15s ease;
    }
    .cookie-modal-foot .btn-save-all {
      grid-column: span 2;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      color: #fff;
    }
    .cookie-modal-foot .btn-save-all:hover { transform: translateY(-1px); }
    .cookie-modal-foot .btn-save-selection {
      background: var(--color-bg-surface);
      color: var(--color-text-primary);
      border: 1px solid var(--color-border);
    }
    .cookie-modal-foot .btn-save-selection:hover {
      background: var(--color-border);
    }
    .cookie-modal-foot .btn-reject-all {
      background: rgba(220,38,38,0.06);
      color: #b91c1c;
      border: 1px solid rgba(220,38,38,0.15);
    }
    .cookie-modal-foot .btn-reject-all:hover {
      background: rgba(220,38,38,0.12);
    }
    .cookie-legal-note {
      font-size: 11px;
      color: var(--color-text-secondary);
      text-align: center;
      line-height: 1.5;
      margin-top: 4px;
    }
    .cookie-legal-note a { color: var(--color-primary); }

    /* Re-open consent button (footer) */
    .cookie-reopen {
      background: none;
      border: none;
      color: var(--color-text-secondary);
      text-decoration: none;
      cursor: pointer;
      font-family: inherit;
      font-size: 14px;
      transition: color 0.2s;
      padding: 0;
    }
    .cookie-reopen:hover { color: var(--color-primary); }

    /* Footer social row */
    .social-row {
      display: flex;
      gap: 12px;
      margin-top: 20px;
    }
    .social-row a {
      width: 36px; height: 36px;
      border-radius: 50%;
      background: #fff;
      border: 1px solid var(--color-border);
      display: flex; align-items: center; justify-content: center;
      color: var(--color-text-secondary);
      transition: all 0.2s ease;
    }
    .social-row a:hover { color: var(--color-primary); border-color: var(--color-primary); }

    /* Footer store row */
    .store-row {
      display: flex;
      gap: 10px;
      margin-top: 16px;
    }
    .store-row a {
      display: inline-block;
      height: 40px;
      transition: transform 0.2s ease;
    }
    .store-row a:hover {
      transform: translateY(-2px);
    }
    .store-row img {
      height: 40px;
      width: auto;
      display: block;
    }

    /* === Responsive overrides for new sections === */
    @media (max-width: 1024px) {
      .security-grid { grid-template-columns: repeat(3, 1fr); }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .testimonial-grid { grid-template-columns: 1fr; }
      .specs-grid { grid-template-columns: 1fr; }
      .spec-item { border-right: none; border-bottom: 1px solid var(--color-border); padding-bottom: 18px; }
      .spec-item:last-child { border-bottom: none; }
      .sla-row { grid-template-columns: repeat(2, 1fr); gap: 18px; }
      .compare-table-v2 { font-size: 12px; }
      .compare-table-v2 tbody td, .compare-table-v2 thead th { padding: 10px 8px; }
    }
    @media (max-width: 640px) {
      .security-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .cta-banner { padding: 40px 24px; }
      .cta-banner h2 { font-size: 24px; }
      .compare-table { font-size: 12px; }
      .compare-table th, .compare-table td { padding: 10px 8px; }
      .cookie-banner { left: 12px; right: 12px; bottom: 12px; padding: 14px 18px; flex-direction: column; align-items: stretch; gap: 12px; }
      .cookie-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
      .cookie-actions button { min-width: 0; width: 100%; }
      .cookie-actions .btn-customize { grid-column: span 2; }
    }

    /* Mobile Responsive styling */
    @media (max-width: 1024px) {
      .calculator-container {
        grid-template-columns: 1fr;
      }
      .calculator-options {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
      }
    }

    @media (max-width: 768px) {
      #header {
        background: rgba(255, 255, 255, 0.98);
      }
      .menu-toggle {
        display: flex;
      }
      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--color-border);
        padding: 24px;
        gap: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .hero-banner-card {
        flex-direction: column;
        padding: 40px 30px;
        gap: 30px;
        text-align: left;
      }
      .hero-graphic {
        order: -1;
      }
      .hero h1 {
        font-size: 32px;
      }
      .hero p {
        font-size: 15px;
      }
      .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 16px;
      }
    }
    /* Language Switcher Styling */
    .lang-switcher {
      position: relative;
      display: inline-block;
      align-self: flex-start;
    }
    @media (min-width: 769px) {
      .lang-switcher {
        align-self: center;
      }
    }
    .lang-btn {
      background: var(--color-bg-surface);
      border: 1px solid var(--color-border);
      color: var(--color-text-primary);
      padding: 8px 14px;
      border-radius: 12px;
      font-size: 13px;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
      font-family: inherit;
    }
    .lang-btn:hover {
      background: var(--color-border);
      border-color: rgba(37, 99, 235, 0.2);
    }
    .lang-dropdown {
      display: none;
      position: absolute;
      top: 100%;
      right: 0;
      margin-top: 8px;
      background: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.15);
      z-index: 100;
      min-width: 140px;
      overflow: hidden;
    }
    @media (max-width: 768px) {
      .lang-dropdown {
        left: 0;
        right: auto;
      }
    }
    .lang-dropdown.show {
      display: block;
      animation: langDropdownFade 0.2s ease;
    }
    @keyframes langDropdownFade {
      from { opacity: 0; transform: translateY(-5px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .lang-dropdown a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 16px;
      color: var(--color-text-primary);
      text-decoration: none;
      font-size: 13.5px;
      font-weight: 600;
      transition: all 0.15s ease;
    }
    .lang-dropdown a:hover {
      background: var(--color-bg-surface);
      color: var(--color-primary);
    }
    .flag-icon {
      width: 20px;
      height: 13.3px;
      border-radius: 2px;
      box-shadow: 0 1px 2px rgba(0,0,0,0.15);
      display: inline-block;
      vertical-align: middle;
      flex-shrink: 0;
    }