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

        :root {
            --primary-gold: #E6B800;
            --primary-sage: #8B9467;
            --accent-gold: #F4C842;
            --accent-sage: #A4B076;
            --dark-sage: #6B7852;
            --dark: #0F0F23;
            --darker: #062335;
        }

        html {
            overflow-x: hidden;
            width: 100%;
            height: 100%;
        }

        body {
            font-family: 'Space Grotesk', sans-serif;
            background: linear-gradient(135deg, var(--darker) 0%, var(--dark-sage) 100%);
            color: white;
            overflow-x: hidden;
            line-height: 1.6;
            margin: 0;
            padding: 0;
            width: 100%;
            min-height: 100vh;
            position: relative;
        }

        /* Polygonal Shapes Background */
        .particles-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            z-index: 1;
            pointer-events: none;
            overflow: hidden;
        }

        .polygon-shape {
            position: absolute;
            opacity: 0.06;
            transition: none;
        }

        /* Triangle shapes */
        .triangle-1 {
            width: 0;
            height: 0;
            border-left: 15px solid transparent;
            border-right: 15px solid transparent;
            border-bottom: 25px solid var(--primary-gold);
        }

        .triangle-2 {
            width: 0;
            height: 0;
            border-left: 12px solid transparent;
            border-right: 12px solid transparent;
            border-bottom: 20px solid var(--primary-sage);
        }

        .triangle-3 {
            width: 0;
            height: 0;
            border-left: 20px solid transparent;
            border-right: 20px solid transparent;
            border-bottom: 35px solid var(--accent-sage);
        }

        .triangle-4 {
            width: 0;
            height: 0;
            border-left: 10px solid transparent;
            border-right: 10px solid transparent;
            border-bottom: 18px solid var(--dark-sage);
        }

        .triangle-inverted-1 {
            width: 0;
            height: 0;
            border-left: 15px solid transparent;
            border-right: 15px solid transparent;
            border-top: 25px solid var(--primary-gold);
        }

        .triangle-inverted-2 {
            width: 0;
            height: 0;
            border-left: 12px solid transparent;
            border-right: 12px solid transparent;
            border-top: 20px solid var(--primary-sage);
        }

        .triangle-inverted-3 {
            width: 0;
            height: 0;
            border-left: 18px solid transparent;
            border-right: 18px solid transparent;
            border-top: 30px solid var(--accent-gold);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: 4rem;
            position: relative;
            background: linear-gradient(135deg, var(--darker) 0%, var(--dark-sage) 50%, var(--primary-sage) 100%);
            overflow: hidden;
            padding: 2rem 4rem;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
        }

        .scientific-badge {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(230, 184, 0, 0.3);
            color: var(--accent-gold);
            padding: 1rem 2rem;
            border-radius: 15px;
            font-size: 0.9rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
            margin-bottom: 2rem;
            transition: all 0.3s ease;
        }

        .scientific-badge:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(230, 184, 0, 0.2);
        }

        .badge-icon {
            font-size: 1.2rem;
        }

        .logo-container {
            margin-bottom: 1rem;
        }

        .hero-logo-img {
            max-height: 120px;
            width: auto;
            filter: drop-shadow(0 5px 15px rgba(230, 184, 0, 0.3));
        }

        .hero-subtitle {
            font-size: 1.3rem;
            color: var(--accent-gold);
            margin-bottom: 2rem;
            opacity: 0.9;
            font-weight: 500;
        }

        .hero-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            color: white;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .hero-description {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 3rem;
            line-height: 1.6;
        }

        .cta-primary {
            background: linear-gradient(135deg, var(--primary-gold), var(--accent-gold));
            color: var(--darker);
            padding: 1.2rem 3rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            text-decoration: none;
            display: inline-block;
            transition: all 0.4s ease;
            box-shadow: 0 15px 35px rgba(230, 184, 0, 0.4);
            text-transform: uppercase;
            letter-spacing: 1px;
            position: relative;
            overflow: hidden;
            border: none;
            cursor: pointer;
        }

        .cta-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: left 0.6s ease;
        }

        .cta-primary:hover::before {
            left: 100%;
        }

        .cta-primary:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 
                0 20px 50px rgba(230, 184, 0, 0.6),
                0 0 30px rgba(230, 184, 0, 0.8),
                inset 0 0 20px rgba(255, 255, 255, 0.2);
            filter: brightness(1.1);
        }

        @keyframes ctaPulse {
            0%, 100% {
                box-shadow: 
                    0 15px 35px rgba(230, 184, 0, 0.4),
                    0 0 20px rgba(230, 184, 0, 0.3);
            }
            50% {
                box-shadow: 
                    0 15px 35px rgba(230, 184, 0, 0.6),
                    0 0 30px rgba(230, 184, 0, 0.6);
            }
        }

        .cta-primary {
            animation: ctaPulse 3s ease-in-out infinite;
        }

        /* Hero Visual */
        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            max-width: 450px;
            margin: 0 auto;
        }

        .countdown-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-bottom: 3rem;
            width: 100%;
            max-width: 400px;
        }

        .countdown-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(20px);
            border: 2px solid rgba(230, 184, 0, 0.2);
            border-radius: 20px;
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all 0.4s ease;
            aspect-ratio: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .countdown-card:hover {
            transform: translateY(-10px) scale(1.05);
            border-color: var(--primary-gold);
            box-shadow: 0 20px 40px rgba(230, 184, 0, 0.3);
        }

        .countdown-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary-gold);
            display: block;
            margin-bottom: 0.5rem;
            line-height: 1;
            font-family: 'Space Grotesk', monospace;
        }

        .countdown-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 500;
        }

        .event-info-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            width: 100%;
            max-width: 400px;
        }

        .info-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(164, 176, 118, 0.2);
            border-radius: 15px;
            padding: 1.5rem 1rem;
            text-align: center;
            transition: all 0.3s ease;
            aspect-ratio: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .info-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-sage);
            background: rgba(255, 255, 255, 0.1);
        }

        .info-icon {
            font-size: 1.8rem;
            margin-bottom: 0.8rem;
        }

        .info-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0.3rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .info-value {
            font-size: 1rem;
            color: var(--accent-gold);
            font-weight: 600;
            line-height: 1.2;
        }

        /* Registration Modal */
        .registration-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(15, 15, 35, 0.9);
            backdrop-filter: blur(25px);
            z-index: 1000;
            animation: fadeIn 0.4s ease;
            font-family: 'Vazir', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            direction: rtl;
        }

        .registration-modal.show {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1.5rem;
        }

        .modal-content {
            background: linear-gradient(145deg, 
                rgba(255, 255, 255, 0.98) 0%,
                rgba(248, 250, 252, 0.95) 100%);
            backdrop-filter: blur(40px);
            border-radius: 28px;
            border: 1px solid rgba(230, 184, 0, 0.15);
            box-shadow: 
                0 32px 64px rgba(0, 0, 0, 0.12),
                0 0 0 1px rgba(255, 255, 255, 0.05),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
            max-width: 520px;
            width: 100%;
            max-height: 92vh;
            overflow-y: auto;
            position: relative;
            animation: slideUpScale 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .modal-header {
            padding: 2.5rem 2.5rem 1.5rem;
            text-align: center;
            border-bottom: 1px solid rgba(230, 184, 0, 0.1);
            background: linear-gradient(135deg, 
                rgba(230, 184, 0, 0.03) 0%,
                rgba(139, 148, 103, 0.02) 100%);
        }

        .modal-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            background: linear-gradient(135deg, var(--primary-gold) 0%, var(--accent-gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-family: 'Vazir', sans-serif;
        }

        .modal-subtitle {
            color: #64748b;
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.6;
        }

        .close-modal {
            position: absolute;
            top: 1.25rem;
            left: 1.25rem;
            background: rgba(15, 15, 35, 0.08);
            border: none;
            border-radius: 50%;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.4rem;
            color: #64748b;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(10px);
        }

        .close-modal:hover {
            background: rgba(239, 68, 68, 0.1);
            color: #ef4444;
            transform: scale(1.05);
        }

        .modal-body {
            padding: 2rem 2.5rem 2.5rem;
        }

        .form-step {
            display: none;
        }

        .form-step.active {
            display: block;
            animation: slideInFade 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .form-group {
            margin-bottom: 1.8rem;
            position: relative;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .form-label {
            display: block;
            margin-bottom: 0.75rem;
            font-weight: 600;
            color: #1e293b;
            font-size: 0.95rem;
            font-family: 'Vazir', sans-serif;
            position: relative;
        }

        .form-label::after {
            content: '*';
            color: #ef4444;
            margin-right: 0.25rem;
            font-weight: 700;
        }

        .form-input, .form-select {
            width: 100%;
            padding: 1.25rem 1.5rem;
            border: 2px solid #e2e8f0;
            border-radius: 16px;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.9);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            font-family: 'Vazir', sans-serif;
            color: #1e293b;
            backdrop-filter: blur(10px);
        }

        .form-input::placeholder {
            color: #94a3b8;
            font-weight: 400;
        }

        .form-input:focus, .form-select:focus {
            outline: none;
            border-color: var(--primary-gold);
            background: rgba(255, 255, 255, 1);
            box-shadow: 
                0 0 0 4px rgba(230, 184, 0, 0.1),
                0 8px 25px rgba(0, 0, 0, 0.05);
            transform: translateY(-1px);
        }

        .form-select {
            cursor: pointer;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23a1a1aa' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
            background-position: left 1rem center;
            background-repeat: no-repeat;
            background-size: 1.2em 1.2em;
            padding-left: 3rem;
        }

        .other-specialty {
            display: none;
            margin-top: 1rem;
        }

        .other-specialty.show {
            display: block;
            animation: slideDownFade 0.3s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-gold) 0%, var(--accent-gold) 100%);
            color: #1e293b;
            border: none;
            padding: 1.25rem 2rem;
            border-radius: 16px;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            width: 100%;
            text-transform: none;
            letter-spacing: 0.5px;
            font-family: 'Vazir', sans-serif;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(230, 184, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.6s ease;
        }

        .btn-primary:hover::before {
            left: 100%;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(230, 184, 0, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.8);
            color: #64748b;
            border: 2px solid #e2e8f0;
            padding: 1.25rem 2rem;
            border-radius: 16px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            width: 100%;
            margin-top: 1rem;
            font-family: 'Vazir', sans-serif;
            backdrop-filter: blur(10px);
        }

        .btn-secondary:hover {
            border-color: var(--primary-gold);
            color: var(--primary-gold);
            background: rgba(230, 184, 0, 0.05);
            transform: translateY(-1px);
        }

        .step-buttons {
            display: flex;
            gap: 1rem;
            margin-top: 2.5rem;
        }

        .success-message {
            text-align: center;
            padding: 2.5rem 1rem;
        }

        .success-icon {
            font-size: 5rem;
            margin-bottom: 1.5rem;
            animation: bounceIn 0.6s ease;
        }

        .success-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #1e293b;
            margin-bottom: 1.25rem;
            font-family: 'Vazir', sans-serif;
        }

        .success-text {
            color: #64748b;
            line-height: 1.7;
            font-size: 1.05rem;
            margin-bottom: 2rem;
        }

        .loading-spinner {
            display: none;
            width: 24px;
            height: 24px;
            border: 3px solid rgba(0, 0, 0, 0.1);
            border-top: 3px solid var(--primary-gold);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        .loading-text {
            text-align: center;
            color: #64748b;
            margin-top: 1rem;
            font-family: 'Vazir', sans-serif;
        }

        /* Custom Province Selector */
        .custom-select-wrapper {
            position: relative;
        }

        .search-province {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23a1a1aa' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
            background-position: left 1rem center;
            background-repeat: no-repeat;
            background-size: 1.2em 1.2em;
            padding-left: 3rem;
            cursor: pointer;
        }

        .province-dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #ffffff !important;
            border: 2px solid var(--primary-gold) !important;
            border-top: 1px solid #e2e8f0 !important;
            border-radius: 0 0 16px 16px !important;
            max-height: 200px;
            overflow-y: auto;
            z-index: 1001 !important;
            display: none;
            box-shadow: 
                0 8px 25px rgba(0, 0, 0, 0.25) !important,
                0 0 0 1px rgba(230, 184, 0, 0.2) !important;
        }

        .province-dropdown.show {
            display: block !important;
            animation: slideDownFade 0.2s ease;
        }

        .province-option {
            padding: 1.2rem 1.5rem !important;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: 'Vazir', sans-serif !important;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1) !important;
            color: #1e293b !important;
            font-weight: 600 !important;
            font-size: 1rem !important;
            background: #ffffff !important;
            line-height: 1.4;
        }

        .province-option:last-child {
            border-bottom: none !important;
        }

        .province-option:hover {
            background: rgba(230, 184, 0, 0.2) !important;
            color: #1e293b !important;
            font-weight: 700 !important;
        }

        .province-option.selected {
            background: var(--primary-gold) !important;
            color: #1e293b !important;
            font-weight: 700 !important;
        }

        .province-option.hidden {
            display: none !important;
        }

        .search-province.dropdown-open {
            border-radius: 16px 16px 0 0 !important;
            border-bottom-color: var(--primary-gold) !important;
        }

        /* Alert System */
        .form-alert {
            padding: 1rem 1.25rem;
            border-radius: 12px;
            margin-bottom: 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            font-family: 'Vazir', sans-serif;
            animation: slideInAlert 0.3s ease;
            border: 1px solid transparent;
        }

        .form-alert.error {
            background: rgba(239, 68, 68, 0.1);
            color: #dc2626;
            border-color: rgba(239, 68, 68, 0.2);
        }

        .form-alert.success {
            background: rgba(34, 197, 94, 0.1);
            color: #16a34a;
            border-color: rgba(34, 197, 94, 0.2);
        }

        /* Form field error state */
        .form-input.error, .form-select.error {
            border-color: #ef4444;
            background: rgba(239, 68, 68, 0.05);
        }

        .form-input.error:focus, .form-select.error:focus {
            border-color: #ef4444;
            box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
        }

        /* Schedule Section */
        .schedule {
            padding: 8rem 2rem;
            background: var(--darker);
        }

        .section-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            text-align: center;
            margin-bottom: 4rem;
            background: linear-gradient(45deg, var(--primary-gold), var(--primary-sage));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .schedule-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            gap: 2rem;
        }

        .schedule-item {
            background: rgba(255,255,255,0.05);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 20px;
            padding: 2.5rem;
            transition: all 0.6s ease;
            position: relative;
            overflow: hidden;
        }

        .schedule-item::after {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, 
                var(--primary-gold), 
                var(--accent-gold), 
                var(--primary-sage), 
                var(--accent-sage)
            );
            background-size: 400% 400%;
            border-radius: 22px;
            z-index: -1;
            opacity: 0;
            animation: none;
            transition: opacity 0.8s ease;
        }

        @keyframes glowingBorder {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .schedule-item.glowing::after {
            opacity: 0.7;
            animation: glowingBorder 3s ease-in-out infinite;
        }

        .schedule-item.glowing {
            transform: translateX(10px) translateY(-5px) scale(1.02);
            background: rgba(255,255,255,0.12);
            border-color: var(--primary-gold);
            box-shadow: 
                0 15px 40px rgba(0,0,0,0.2),
                0 0 30px rgba(230, 184, 0, 0.3),
                inset 0 0 20px rgba(230, 184, 0, 0.1);
        }

        .schedule-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            flex-wrap: nowrap;
            gap: 1rem;
        }

        .schedule-time {
            color: var(--primary-gold);
            font-weight: 700;
            font-size: 1.2rem;
            background: rgba(230, 184, 0, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 25px;
            border: 1px solid rgba(230, 184, 0, 0.2);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .schedule-duration {
            background: rgba(164, 176, 118, 0.2);
            color: var(--accent-sage);
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            border: 1px solid rgba(164, 176, 118, 0.3);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .schedule-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: white;
        }

        .schedule-desc {
            opacity: 0.8;
            line-height: 1.6;
        }
        .speaker-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.speaker-avatar {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
}

.speaker-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Responsive برای موبایل */
@media (max-width: 768px) {
    .speaker-avatar, .company-logo {
        width: 100px;
        height: 100px;
    }
    
    .speaker-info {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .speaker-avatar, .company-logo {
        width: 100px;
        height: 100px;
    }
}

.speaker-details {
    flex: 1;
}

.speaker-label {
    font-size: 0.8rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.speaker-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-gold);
    margin-bottom: 0.3rem;
}

.speaker-title {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.2rem;
}

.speaker-org {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}
.multiple-speakers .speakers-avatars {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.multiple-speakers .speaker-avatar {
    width: 100px;
    height: 100px;
}

@media (max-width: 768px) {
    .multiple-speakers .speakers-avatars {
        gap: 0.8rem; /* کاهش فاصله */
    }
    
    .multiple-speakers .speaker-avatar {
        width: 70px;
        height: 70px;
    }
}

@media (max-width: 480px) {
    .multiple-speakers .speakers-avatars {
        gap: 0.5rem; /* فاصله کمتر برای صفحات خیلی کوچک */
    }
    
    .multiple-speakers .speaker-avatar {
        width: 60px;
        height: 60px;
    }
}
.separator-circle {
    background: var(--primary-gold);
    color: var(--darker);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9em;
    margin: 0 0.5rem;
    vertical-align: middle;
}

/* موبایل - خط به خط */
@media (max-width: 768px) {
    .multiple-speakers .speaker-name {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        line-height: 1.4;
    }
    
    .separator-circle {
        margin: 0.5rem 0;
    }
}
.company-logo {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--primary-gold);
    box-shadow: 0 5px 15px rgba(230, 184, 0, 0.3);
    flex-shrink: 0;
}

.company-logo img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: brightness(1.2);
}
        /* Speakers Section */
        .speakers {
            padding: 8rem 2rem;
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary-sage) 100%);
        }

        .speakers-grid {
            max-width: 1000px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
        }

        .speaker-card {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 20px;
            padding: 3rem 2rem;
            text-align: center;
            backdrop-filter: blur(20px);
            transition: all 0.6s ease;
            position: relative;
            overflow: hidden;
        }

        .speaker-card::after {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, 
                var(--primary-gold), 
                var(--accent-gold), 
                var(--primary-sage), 
                var(--accent-sage)
            );
            background-size: 400% 400%;
            border-radius: 22px;
            z-index: -1;
            opacity: 0;
            animation: none;
            transition: opacity 0.8s ease;
        }

        @keyframes speakerGlow {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .speaker-card.speaker-glowing::after {
            opacity: 0.6;
            animation: speakerGlow 4s ease-in-out infinite;
        }

        .speaker-card.speaker-glowing {
            transform: translateY(-15px) scale(1.03);
            background: rgba(255,255,255,0.15);
            box-shadow: 
                0 25px 50px rgba(0,0,0,0.3),
                0 0 40px rgba(230, 184, 0, 0.4);
        }

        .speaker-card:hover {
            transform: translateY(-20px) scale(1.05);
            box-shadow: 0 30px 60px rgba(0,0,0,0.3);
        }

        .speaker-image {
            width: 200px;
            height: 200px;
            margin: 0 auto 2rem;
            overflow: visible;
        }

        .doctor-photo {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            transition: all 0.3s ease;
            
        }

        .speaker-card:hover .doctor-photo {
            transform: scale(1.05);
        }

        .speaker-name {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--primary-gold);
        }

        .speaker-title {
            opacity: 0.9;
            margin-bottom: 0.5rem;
        }

        .speaker-org {
            opacity: 0.7;
            font-size: 0.9rem;
        }

        /* Footer */
        .footer {
            padding: 4rem 2rem 3rem;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .footer-logo {
            max-height: 60px;
            width: auto;
            opacity: 0.8;
            transition: opacity 0.3s ease;
        }

        .footer-logo:hover {
            opacity: 1;
        }

        .footer-text {
            color: #6c757d;
            font-size: 0.9rem;
            opacity: 0.8;
            margin: 0;
        }

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

        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideUpScale {
            from { 
                opacity: 0;
                transform: translateY(60px) scale(0.9);
            }
            to { 
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        @keyframes slideInFade {
            from { 
                opacity: 0;
                transform: translateX(30px);
            }
            to { 
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes slideDownFade {
            from { 
                opacity: 0;
                max-height: 0;
                transform: translateY(-10px);
            }
            to { 
                opacity: 1;
                max-height: 100px;
                transform: translateY(0);
            }
        }

        @keyframes bounceIn {
            0% {
                opacity: 0;
                transform: scale(0.3);
            }
            50% {
                opacity: 1;
                transform: scale(1.05);
            }
            70% { 
                transform: scale(0.9); 
            }
            100% {
                opacity: 1;
                transform: scale(1);
            }
        }

        @keyframes spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        @keyframes slideInAlert {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .fade-up.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive Design - Fixed for Mobile */
        @media (max-width: 1024px) {
            .hero {
                grid-template-columns: 1fr;
                text-align: center;
                padding: 2rem 1rem;
                gap: 3rem;
                min-height: 100vh;
            }
            
            .hero-content {
                padding-left: 0;
                max-width: 100%;
                order: 1;
            }
            
            .hero-visual {
                padding-right: 0;
                max-width: 100%;
                order: 2;
            }
            
            .countdown-grid, .event-info-grid {
                max-width: 350px;
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            body {
                font-size: 14px;
            }
            
            .hero {
                padding: 1rem 0.5rem;
                min-height: 100vh;
                gap: 2rem;
            }
            
            .hero-content {
                padding: 0 1rem;
            }
            
            .hero-visual {
                padding: 0 1rem;
            }
            
            .hero-title {
                font-size: 1.8rem;
                line-height: 1.3;
                margin-bottom: 1rem;
            }
            
            .hero-description {
                font-size: 1rem;
                margin-bottom: 2rem;
            }
            
            .cta-primary {
                padding: 1rem 2rem;
                font-size: 1rem;
                width: auto;
                max-width: 280px;
                margin: 0 auto;
                display: block;
            }
            
            .countdown-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
                margin-bottom: 2rem;
                max-width: 300px;
            }
            
            .countdown-card {
                padding: 1.5rem 1rem;
                border-radius: 15px;
            }
            
            .countdown-number {
                font-size: 2rem;
                margin-bottom: 0.3rem;
            }
            
            .countdown-label {
                font-size: 0.75rem;
            }
            
            .event-info-grid {
                gap: 1rem;
                max-width: 300px;
            }
            
            .info-card {
                padding: 1rem 0.8rem;
                border-radius: 12px;
            }
            
            .info-icon {
                font-size: 1.5rem;
                margin-bottom: 0.5rem;
            }
            
            .info-value {
                font-size: 0.9rem;
            }
            
            /* Schedule Section Mobile */
            .schedule {
                padding: 4rem 1rem;
            }
            
            .schedule-item {
                padding: 1.5rem;
            }
            
            .schedule-header {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                gap: 0.8rem;
                flex-wrap: nowrap;
            }
            
            .schedule-time {
                font-size: 1rem;
                padding: 0.4rem 0.8rem;
                flex-shrink: 0;
            }
            
            .schedule-duration {
                font-size: 0.8rem;
                padding: 0.3rem 0.8rem;
                flex-shrink: 0;
            }
            
            .schedule-title {
                font-size: 1.2rem;
            }
            
            /* Speakers Section Mobile */
            .speakers {
                padding: 4rem 1rem;
            }
            
            .speakers-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .speaker-card {
                padding: 2rem 1.5rem;
            }
            
            .speaker-image {
                width: 150px;
                height: 150px;
            }
            
            /* Registration Modal Mobile */
            .registration-modal {
                padding: 0.5rem;
            }
            
            .modal-content {
                border-radius: 20px;
                max-height: 98vh;
                width: 100%;
                margin: 0;
            }
            
            .modal-header {
                padding: 1.5rem 1rem 1rem;
            }
            
            .modal-title {
                font-size: 1.5rem;
                margin-bottom: 0.5rem;
            }
            
            .modal-subtitle {
                font-size: 0.9rem;
            }
            
            .close-modal {
                top: 1rem;
                left: 1rem;
                width: 36px;
                height: 36px;
                font-size: 1.2rem;
            }
            
            .modal-body {
                padding: 1rem;
            }
            
            .form-group {
                margin-bottom: 1.5rem;
            }
            
            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }
            
            .form-input, .form-select {
                padding: 1rem 1.25rem;
                font-size: 16px; /* Prevent zoom on iOS */
                border-radius: 12px;
            }
            
            .form-label {
                font-size: 0.9rem;
                margin-bottom: 0.5rem;
            }
            
            .step-buttons {
                flex-direction: column;
                gap: 0.75rem;
                margin-top: 2rem;
            }
            
            .btn-primary, .btn-secondary {
                padding: 1rem 1.5rem;
                border-radius: 12px;
                font-size: 1rem;
            }
            
            /* Province dropdown mobile */
            .province-dropdown {
                max-height: 150px;
                border-radius: 0 0 12px 12px !important;
            }
            
            .province-option {
                padding: 1rem 1.25rem !important;
                font-size: 0.9rem !important;
            }
            
            .search-province.dropdown-open {
                border-radius: 12px 12px 0 0 !important;
            }
            
            /* Success message mobile */
            .success-message {
                padding: 2rem 1rem;
            }
            
            .success-icon {
                font-size: 4rem;
                margin-bottom: 1rem;
            }
            
            .success-title {
                font-size: 1.5rem;
                margin-bottom: 1rem;
            }
            
            .success-text {
                font-size: 1rem;
                line-height: 1.6;
                margin-bottom: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .hero {
                padding: 0.5rem;
                gap: 1.5rem;
            }
            
            .hero-content, .hero-visual {
                padding: 0 0.5rem;
            }
            
            .scientific-badge {
                padding: 0.8rem 1.5rem;
                font-size: 0.8rem;
                margin-bottom: 1.5rem;
            }
            
            .hero-logo-img {
                max-height: 80px;
            }
            
            .hero-subtitle {
                font-size: 1.1rem;
                margin-bottom: 1.5rem;
            }
            
            .hero-title {
                font-size: 1.6rem;
            }
            
            .countdown-grid, .event-info-grid {
                max-width: 280px;
                gap: 0.8rem;
            }
            
            .countdown-card, .info-card {
                padding: 1.2rem 0.8rem;
            }
            
            .countdown-number {
                font-size: 1.8rem;
            }
            
            .modal-content {
                border-radius: 16px;
            }
            
            .form-input, .form-select {
                padding: 0.9rem 1rem;
                border-radius: 10px;
            }
        }

        /* Fix for very small screens */
        @media (max-width: 360px) {
            .countdown-grid {
                grid-template-columns: 1fr 1fr;
                max-width: 260px;
            }
            
            .event-info-grid {
                max-width: 260px;
            }
            
            .hero-title {
                font-size: 1.4rem;
            }
            
            .cta-primary {
                padding: 0.9rem 1.5rem;
                max-width: 240px;
            }
            
            .schedule-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            
            .schedule-time, .schedule-duration {
                font-size: 0.85rem;
                padding: 0.3rem 0.6rem;
            }
        }