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        /* --- تنظیمات کلی و متغیرها --- */
        :root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --accent: #3b82f6;
            --text-main: #1e293b;
            --text-light: #64748b;
            --text-subtle: #94a3b8;
            --bg-light: #f8fafc;
            --bg-footer: #1e293b;
            --bg-footer-dark: #0f172a;
            --border-light: #d1d5db;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; outline: none; }

        body {
            font-family: 'Vazirmatn', sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* --- Header (کوتاه شده برای نمایش Footer) --- */
        .header {
            position: fixed;
            top: 0; left: 0; width: 100%;
            height: 70px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(37, 99, 235, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
        }

        .header h1 {
            font-size: 1.5rem;
            color: var(--primary);
            font-weight: 900;
        }

        /* --- ✨ Footer Styles --- */
        .footer {
            background: var(--bg-footer);
            color: #e2e8f0;
            padding: 80px 0 0 0;
            margin-top: 100px;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 4%;
        }

        /* بخش اصلی Footer */
        .footer-main {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 60px;
            padding-bottom: 60px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* ستون اطلاعات شرکت */
        .footer-about .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
            text-decoration: none;
        }

        .footer-about .logo-img {
            height: 45px;
            width: auto;
            object-fit: contain;
            filter: brightness(0) invert(1); /* سفید کردن لوگو */
        }

        .footer-about .logo-text {
            font-size: 1.5rem;
            font-weight: 900;
            color: white;
        }

        .footer-about .logo-text span {
            color: var(--primary);
        }

        .footer-about .tagline {
            color: var(--text-subtle);
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 25px;
        }

        /* شبکه‌های اجتماعی */
        .social-links {
            display: flex;
            gap: 12px;
        }

        .social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            color: #e2e8f0;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .social-link i {
            font-size: 1.2rem;
        }

        .social-link:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
        }

        /* عنوان ستون‌ها */
        .footer-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: white;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 40px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* لینک‌های Footer */
        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--text-subtle);
            text-decoration: none;
            font-size: 0.95rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a i {
            font-size: 0.9rem;
            color: var(--primary);
            opacity: 0;
            transform: translateX(10px);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: white;
            padding-right: 8px;
        }

        .footer-links a:hover i {
            opacity: 1;
            transform: translateX(0);
        }

        /* اطلاعات تماس */
        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 18px;
            color: var(--text-subtle);
        }

        .contact-item i {
            font-size: 1.2rem;
            color: var(--primary);
            margin-top: 2px;
        }

        .contact-item span {
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .contact-item a {
            color: var(--text-subtle);
            text-decoration: none;
            transition: var(--transition);
        }

        .contact-item a:hover {
            color: var(--primary);
        }

        /* بخش پایینی Footer */
        .footer-bottom {
            padding: 25px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .copyright {
            color: var(--text-subtle);
            font-size: 0.9rem;
        }

        .copyright a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        .copyright a:hover {
            text-decoration: underline;
        }

        .footer-bottom-links {
            display: flex;
            gap: 25px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: var(--text-subtle);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-bottom-links a:hover {
            color: var(--primary);
        }

        /* --- انیمیشن‌ها --- */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .footer-animate {
            animation: fadeInUp 0.6s ease forwards;
        }

        .footer-animate:nth-child(1) { animation-delay: 0.1s; }
        .footer-animate:nth-child(2) { animation-delay: 0.2s; }
        .footer-animate:nth-child(3) { animation-delay: 0.3s; }
        .footer-animate:nth-child(4) { animation-delay: 0.4s; }

        /* --- ریسپانسیو --- */
        @media (max-width: 1024px) {
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .footer {
                padding: 60px 0 0 0;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 40px;
                padding-bottom: 40px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom-links {
                justify-content: center;
            }

            .social-links {
                justify-content: center;
            }

            .footer-about {
                text-align: center;
            }

            .footer-about .logo {
                justify-content: center;
            }

            .footer-title::after {
                right: 50%;
                transform: translateX(50%);
            }

            .footer-links a:hover {
                padding-right: 0;
            }

            .footer-links a i {
                display: none;
            }
        }

        /* --- دکمه بازگشت به بالا --- */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            left: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            z-index: 999;
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .scroll-top:hover {
            background: var(--primary-dark);
            transform: translateY(-5px);
            box-shadow: 0 12px 35px rgba(37, 99, 235, 0.5);
        }

        /* --- محتوای اصلی صفحه --- */
        .main-content {
            padding: 150px 20px;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .content-card {
            background: white;
            padding: 60px 40px;
            border-radius: 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(0, 0, 0, 0.03);
        }
    
    /* Critical CSS for Above-the-Fold */
    :root {
      --white: #ffffff;
      --blue-50: #eff6ff;
      --blue-100: #dbeafe;
      --blue-200: #bfdbfe;
      --blue-400: #60a5fa;
      --blue-500: #3b82f6;
      --blue-600: #2563eb;
      --blue-700: #1d4ed8;
      --blue-900: #1e3a8a;
      --gray-50: #f9fafb;
      --gray-100: #f3f4f6;
      --gray-600: #4b5563;
      --shadow-card: 0 10px 30px rgba(30, 58, 138, 0.08);
      --shadow-hover: 0 18px 40px rgba(30, 58, 138, 0.18);
      --radius: 20px;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Vazirmatn', system-ui, -apple-system, sans-serif;
      background: var(--white);
      color: #1f2937;
      line-height: 1.6;
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* Skip Link for Accessibility */
    .skip-link {
      position: absolute;
      top: -40px;
      right: 0;
      background: var(--blue-600);
      color: var(--white);
      padding: 8px 16px;
      z-index: 1000;
      transition: top 0.3s;
      text-decoration: none;
      border-radius: 0 0 0 8px;
    }
    .skip-link:focus {
      top: 0;
    }

    /* ===== Header Placeholder ===== */
    #header-container { min-height: 70px; }

    .container { 
      max-width: 1240px; 
      margin: 0 auto; 
      padding: 0 20px; 
    }

    /* ===== HERO ===== */
    .hero {
      position: relative;
      width: 100%;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }
    .hero-bg {
      position: absolute;
      inset: 0;
      z-index: 0;
    }
    .hero-bg img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(
        135deg,
        rgba(30, 58, 138, 0.85) 0%,
        rgba(37, 99, 235, 0.7) 40%,
        rgba(59, 130, 246, 0.55) 100%
      );
      z-index: 1;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 40px 20px;
      max-width: 800px;
      margin: 0 auto;
    }
    .hero-content h1 {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--white);
      margin-bottom: 16px;
      line-height: 1.4;
      text-shadow: 0 2px 8px rgba(0,0,0,0.2);
    }
    .hero-content h1 span {
      color: var(--blue-200);
      display: block;
      font-size: 0.6em;
      font-weight: 600;
      margin-top: 8px;
      opacity: 0.95;
    }
    .hero-content p {
      font-size: 1.05rem;
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 28px;
      line-height: 1.8;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 28px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.95rem;
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
    }
    .btn-white {
      background: var(--white);
      color: var(--blue-700);
      box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    }
    .btn-white:hover { 
      background: var(--blue-50); 
      transform: translateY(-3px); 
      box-shadow: 0 10px 28px rgba(0,0,0,0.2); 
    }
    .btn-outline-white {
      background: transparent;
      color: var(--white);
      border: 2px solid rgba(255,255,255,0.6);
    }
    .btn-outline-white:hover { 
      background: rgba(255,255,255,0.15); 
      transform: translateY(-3px);
      border-color: var(--white);
    }
    .btn-group { 
      display: flex; 
      gap: 12px; 
      flex-wrap: wrap;
      justify-content: center;
    }

    .hero-scroll-indicator {
      position: absolute;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 2;
      animation: bounce 2s infinite;
    }
    .hero-scroll-indicator svg {
      width: 30px;
      height: 30px;
      fill: none;
      stroke: rgba(255,255,255,0.7);
      stroke-width: 2;
    }
    @keyframes bounce {
      0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
      40% { transform: translateX(-50%) translateY(-10px); }
      60% { transform: translateX(-50%) translateY(-5px); }
    }

    /* Services Grid */
    .boxes-section {
      padding: 60px 0 80px;
      background: var(--white);
    }
    .section-title {
      text-align: center;
      margin-bottom: 40px;
    }
    .section-title h2 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--blue-900);
    }
    .boxes-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .service-box {
      background: var(--white);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      border: 2px solid transparent;
      position: relative;
    }
    .service-box::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--blue-400), var(--blue-600));
      transform: scaleX(0);
      transition: transform 0.4s ease;
    }
    .service-box:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--blue-200);
    }
    .service-box:hover::before {
      transform: scaleX(1);
    }
    .service-img {
      width: 100%;
      height: 200px;
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, var(--blue-100), var(--blue-50));
    }
    .service-img img {
      width: 100%; height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
      loading: lazy;
    }
    .service-box:hover .service-img img { transform: scale(1.08); }
    .service-content {
      padding: 20px;
    }
    .service-content h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--blue-900);
      margin-bottom: 8px;
    }
    .service-content p {
      font-size: 0.9rem;
      color: var(--gray-600);
      line-height: 1.6;
    }

    /* About Section */
    .about-section {
      padding: 60px 0;
      background: var(--white);
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 32px;
      align-items: center;
    }
    .about-text {
      text-align: center;
    }
    .about-text h2 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--blue-900);
      line-height: 1.4;
      margin-bottom: 20px;
    }
    .about-text h2 span {
      color: var(--blue-500);
    }
    .about-text .lead {
      font-size: 0.95rem;
      color: var(--gray-600);
      line-height: 1.8;
      margin-bottom: 14px;
    }
    .about-text .lead .highlight {
      background: var(--blue-100);
      color: var(--blue-700);
      padding: 2px 8px;
      border-radius: 6px;
      font-weight: 600;
    }
    .about-text .support-note {
      font-size: 0.95rem;
      color: var(--gray-600);
      margin-bottom: 24px;
      line-height: 1.75;
    }
    .about-text .support-note strong {
      color: var(--blue-600);
    }
    .about-text .support-note .cities {
      color: var(--blue-700);
      font-weight: 600;
    }

    .about-visual {
      position: relative;
    }
    .promo-card {
      background: #FFD700;
      border-radius: var(--radius);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-hover);
      position: relative;
      overflow: hidden;
    }
    .promo-card::after {
      content: '';
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 40px;
      background: repeating-linear-gradient(90deg, transparent, transparent 10px, rgba(30,58,138,0.08) 10px, rgba(30,58,138,0.08) 12px);
    }
    .promo-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
    }
    .promo-logo {
      font-size: 1.6rem;
      font-weight: 900;
      color: var(--blue-700);
    }
    .promo-logo span { color: #e11d48; }
    .promo-badge {
      background: var(--white);
      color: var(--blue-900);
      padding: 5px 12px;
      border-radius: 50px;
      font-weight: 700;
      font-size: 0.8rem;
    }
    .promo-card h3 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #1f2937;
      margin-bottom: 16px;
      line-height: 1.5;
    }
    .promo-products {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
      margin-bottom: 16px;
    }
    .product-item {
      background: var(--white);
      border-radius: 10px;
      padding: 12px 8px;
      text-align: center;
    }
    .product-icon {
      font-size: 1.8rem;
      margin-bottom: 5px;
    }
    .product-item span {
      display: block;
      font-size: 0.7rem;
      font-weight: 600;
      color: #4b5563;
      line-height: 1.3;
    }
    .promo-locations {
      display: flex;
      justify-content: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .location-tag {
      background: #1f2937;
      color: var(--white);
      padding: 6px 12px;
      border-radius: 50px;
      font-size: 0.75rem;
      font-weight: 600;
    }
    .location-tag .loc-dot {
      display: inline-block;
      width: 6px; height: 6px;
      background: #34d399;
      border-radius: 50%;
      margin-left: 6px;
    }

    /* Testimonials Section */
    .testimonials-section {
      padding: 60px 0;
      background: var(--gray-50);
    }
    .section-header {
      text-align: center;
      margin-bottom: 40px;
      padding: 0 10px;
    }
    .section-header h2 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--blue-900);
      margin-bottom: 10px;
    }
    .section-header p {
      font-size: 1rem;
      color: var(--gray-600);
    }
    .testimonials-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .testimonial-box {
      background: var(--white);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: all 0.4s ease;
      border: 1px solid var(--gray-100);
    }
    .testimonial-box:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .video-container {
      position: relative;
      width: 100%;
      height: 220px;
      background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
      overflow: hidden;
    }
    .video-placeholder {
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }
    .play-button {
      width: 60px;
      height: 60px;
      background: var(--white);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 6px 20px rgba(0,0,0,0.25);
      role: button;
      aria-label: "پخش ویدیو";
    }
    .play-button:hover {
      transform: scale(1.1);
      box-shadow: 0 10px 28px rgba(0,0,0,0.3);
    }
    .play-button svg {
      width: 24px;
      height: 24px;
      fill: var(--blue-600);
      margin-right: 3px;
    }
    .testimonial-content {
      padding: 20px;
    }
    .testimonial-text {
      font-size: 0.95rem;
      color: var(--gray-600);
      line-height: 1.65;
      margin-bottom: 16px;
      font-style: italic;
    }
    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid var(--gray-100);
    }
    .author-avatar {
      width: 45px;
      height: 45px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--blue-400), var(--blue-600));
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      font-weight: 700;
      font-size: 1.1rem;
      flex-shrink: 0;
    }
    .author-avatar.logo {
      background: var(--white);
      border: 2px solid var(--blue-200);
      font-size: 0.85rem;
    }
    .author-info h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--blue-900);
      margin-bottom: 3px;
    }
    .author-info span {
      font-size: 0.85rem;
      color: var(--gray-600);
    }

    /* ===== Footer Placeholder ===== */
    #footer-container { margin-top: auto; }

    /* Animations */
    .fade-up { 
      opacity: 0; 
      transform: translateY(28px); 
      transition: opacity 0.6s ease, transform 0.6s ease; 
    }
    .fade-up.show { 
      opacity: 1; 
      transform: translateY(0); 
    }

    /* ========== Responsive ========== */
    @media (min-width: 768px) {
      .container { padding: 0 32px; }
      .hero-content h1 { font-size: 3rem; }
      .hero-content p { font-size: 1.15rem; }
      .btn { padding: 14px 32px; }
      .section-title h2 { font-size: 2rem; }
      .boxes-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
      .service-img { height: 220px; }
      .about-section { padding: 80px 0; }
      .about-grid { grid-template-columns: 1fr 1fr; gap: 48px; }
      .about-text { text-align: right; }
      .about-text h2 { font-size: 2rem; }
      .about-text .lead { font-size: 1.05rem; }
      .promo-card { padding: 28px; }
      .promo-products { grid-template-columns: repeat(4, 1fr); }
      .testimonials-section { padding: 80px 0; }
      .section-header h2 { font-size: 2.2rem; }
      .testimonials-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
      .video-container { height: 240px; }
    }

    @media (min-width: 1024px) {
      .hero-content h1 { font-size: 3.8rem; }
      .hero-content p { font-size: 1.25rem; }
      .boxes-section { padding: 80px 0 100px; }
      .boxes-grid { grid-template-columns: repeat(3, 1fr); gap: 32px; }
      .service-img { height: 240px; }
      .testimonials-section { padding: 100px 0; }
      .section-header h2 { font-size: 2.6rem; }
      .testimonials-grid { grid-template-columns: repeat(3, 1fr); gap: 32px; }
      .video-container { height: 260px; }
    }

    @media (min-width: 1280px) {
      .hero-content h1 { font-size: 4.5rem; }
      .service-img { height: 260px; }
    }

    /* Print Styles */
    @media print {
      .hero, .btn-group, .hero-scroll-indicator { display: none; }
      body { background: white; color: black; }
    }
/* ===== Promo Image Wrapper ===== */
.promo-image-wrapper {
  width: 100%;
  height: 220px; /* همان ارتفاع قبلی promo-products */
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.promo-image {
  width: 100%;
  height: 100%;
  object-fit: cover; /* تصویر را بدون دفرمه شدن فیت می‌کند */
  object-position: center;
  transition: transform 0.4s ease;
}

.promo-card:hover .promo-image {
  transform: scale(1.03); /* افکت هاور ملایم */
}

/* Responsive برای موبایل */
@media (max-width: 767px) {
  .promo-image-wrapper {
    height: 180px;
  }
}

@media (min-width: 768px) {
  .promo-image-wrapper {
    height: 240px;
  }
}