/* ================== پایه کلی ================== */

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            direction: rtl;
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "IRANSans", sans-serif;
            background: #f4f6ff;
            color: #111827;
            text-align: center;
        }

        .container {
            width: 100%;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 16px;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* ================== هدر (site-header) ================== */

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: linear-gradient(135deg, #4f46e5, #0ea5e9, #22c55e);
            box-shadow: 0 6px 18px rgba(15, 23, 42, 0.35);
        }

        .site-header .container {
            background: #ffffff;
            border-radius: 20px;
            padding: 10px 14px;
            margin: 8px auto 10px;
            box-shadow: 0 10px 25px rgba(15, 23, 42, 0.16);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 10px 0;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-left img {
            width: 48px;
            height: 48px;
            border-radius: 16px;
            box-shadow: 0 6px 16px rgba(79, 70, 229, 0.45);
        }

        .header-title h1 {
            margin: 0;
            font-size: 1rem;
            color: #111827;
        }

        .header-title p {
            margin: 2px 0 0;
            font-size: 0.78rem;
            color: #6b7280;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* دکمه عمومی */
        .button,
        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 7px 14px;
            border-radius: 999px;
            border: 1px solid #e5e7eb;
            background: #ffffff;
            font-size: 0.85rem;
            color: #111827;
            cursor: pointer;
            transition: transform 0.12s ease,
                        box-shadow 0.12s ease,
                        background 0.12s ease,
                        border-color 0.12s ease;
        }

        .button.primary {
            background: linear-gradient(135deg, #22c55e, #16a34a);
            color: #ffffff;
            border-color: transparent;
        }

        .header-actions .button:not(.primary) {
            background: linear-gradient(135deg, #0ea5e9, #2563eb);
            color: #ffffff;
            border-color: transparent;
        }

        .nav-toggle {
            width: 40px;
            padding: 0;
            border-radius: 999px;
            background: #eef2ff;
            color: #4f46e5;
            border-color: transparent;
            font-size: 1.1rem;
            box-shadow: 0 4px 10px rgba(148, 163, 184, 0.6);
        }

        .button:hover,
        .nav-toggle:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
            border-color: #cbd5f5;
        }

        .header-actions {
            display: flex;
            gap: 6px;
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                align-items: center;
                gap: 6px;
                padding: 6px 0;
            }

            .header-left {
                justify-content: center;
                text-align: center;
            }

            .header-left img {
                width: 38px;
                height: 38px;
                border-radius: 12px;
            }

            .header-title h1 {
                font-size: 0.85rem;
            }

            .header-title p {
                font-size: 0.72rem;
            }

            .header-right {
                width: 100%;
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
            }

            .nav-toggle {
                width: 100%;
                padding: 6px 0;
                font-size: 0.9rem;
                border-radius: 12px;
                background: #eef2ff;
                color: #4f46e5;
            }

            .header-actions {
                width: 100%;
                display: flex;
                flex-direction: row;
                justify-content: space-between;
                gap: 6px;
            }

            .header-actions .button {
                flex: 1 1 auto;
                padding: 6px 2px;
                font-size: 0.75rem;
                border-radius: 10px;
                text-align: center;
                white-space: nowrap;
                border: none;
            }

            .button.primary {
                padding: 7px 2px;
                font-size: 0.78rem;
            }

            .button:hover,
            .nav-toggle:hover {
                transform: translateY(-1px);
                box-shadow: 0 2px 4px rgba(0,0,0,0.08);
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .header-right {
                width: 100%;
                justify-content: center;
                flex-wrap: wrap;
            }

            .header-actions {
                width: 100%;
                flex-wrap: wrap;
                justify-content: center;
            }

            .header-actions .button {
                flex: 1 1 30%;
                min-width: 110px;
                justify-content: center;
            }
        }

        /* ================== منوی کناری (sidenav) ================== */

        .sidenav {
            position: fixed;
            top: 0;
            right: 0;
            height: 100%;
            width: 0; 
            background: radial-gradient(circle at top right, #1e293b 0%, #020617 60%);
            backdrop-filter: blur(10px);
            overflow-x: hidden;
            transition: width 0.28s ease;
            padding-top: 64px;
            z-index: 2000;
            box-shadow: -8px 0 24px rgba(15, 23, 42, 0.8);
        }

        .sidenav-open {
            width: 260px;
        }

        @media (max-width: 768px) {
            .sidenav-open {
                width: 80%;
            }
        }

        .closebtn {
            position: absolute;
            top: 14px;
            left: 16px;
            padding: 6px 14px;
            border-radius: 999px;
            border: none;
            background: #ef4444;
            color: #f9fafb;
            font-size: 0.8rem;
            cursor: pointer;
        }

        .sidenav-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidenav-list li {
            margin-bottom: 4px;
        }

        .sidenav a {
            display: block;
            margin: 6px 16px;
            padding: 10px 14px;
            font-size: 0.9rem;
            color: #e5e7eb;
            background: rgba(15, 23, 42, 0.9);
            border-radius: 12px;
            border: 1px solid rgba(148, 163, 184, 0.7);
            transition: background 0.2s ease,
                        transform 0.15s ease,
                        border-color 0.2s ease;
        }

        .sidenav a:hover {
            background: linear-gradient(135deg, #4f46e5, #0ea5e9);
            border-color: rgba(191, 219, 254, 0.95);
            transform: translateX(-3px);
        }

        /* ================== سکشن قهرمان (لوگو) ================== */

        .hero-section {
            margin-top: 16px;
            text-align: center;
        }

        .hero-logo img {
            display: block;
            margin: 8px auto;
        }

        @media (max-width: 768px) {
            .hero-logo img[width="160"] {
                width: 120px;
                height: auto;
            }
            .hero-logo img[width="350"] {
                width: 240px;
                height: auto;
            }
        }

        /* ================== کارت ارتباط با ما ================== */

        .contact-card {
            margin: 24px auto 40px;
            max-width: 700px;
            background: #ffffff;
            border-radius: 18px;
            padding: 20px 18px;
            box-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
            text-align: center;
        }

        .contact-card h3 {
            margin: 0 0 14px;
            font-size: 1rem;
            color: #111827;
        }

        .contact-row {
            margin: 10px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 0.9rem;
        }

        .contact-row img {
            vertical-align: middle;
        }

        .contact-tag {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 4px 12px;
            border-radius: 999px;
            background: #eef2ff;
            color: #111827;
            font-size: 0.9rem;
        }
.contact-tag {
    cursor: pointer;
}

.contact-tag:hover {
    box-shadow: 0 4px 10px rgba(79,70,229,0.25);
}

        .contact-email {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 4px 12px;
            border-radius: 999px;
            background: #fff7ed;
            color: #7c2d12;
            font-size: 0.9rem;
        }

        .manager-row {
            margin-top: 16px;
            font-size: 0.9rem;
        }

        .manager-row a {
            color: #2563eb;
        }

        .manager-row a:hover {
            text-decoration: underline;
        }

        /* ================== دکمه بازگشت به بالا ================== */

        .scroll-to-top-btn {
            position: fixed;
            inset-inline-end: 16px;
            bottom: 16px;
            width: 40px;
            height: 40px;
            border-radius: 999px;
            border: none;
            display: none;
            align-items: center;
            justify-content: center;
            background: #4f46e5;
            color: #fff;
            cursor: pointer;
            box-shadow: 0 6px 16px rgba(0,0,0,0.2);
            z-index: 1500;
        }

        /* ================== فوتر ================== */

        .site-footer {
            margin-top: 40px;
            padding: 28px 0 32px;
            background: linear-gradient(135deg, #0f172a, #1d4ed8);
            color: #e5e7eb;
        }

        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .footer-brand img {
            width: 140px;
            height: 140px;
            border-radius: 24px;
            box-shadow: 0 8px 22px rgba(15,23,42,0.8);
        }

        .contact-info p {
            margin: 10px 0;
            line-height: 1.8;
            font-size: 0.9rem;
        }

        .footer-contact img {
            width: 24px;
            margin-inline: 4px;
        }

        @media (max-width: 768px) {
            .footer-brand img {
                width: 110px;
                height: 110px;
            }
        }