:root {
            --primary: #7c3aed;
            --secondary: #ec4899;
            --accent: #f59e0b;
            --dark: #0f172a;
            --light: #f8fafc;
            --gradient-1: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
            --gradient-2: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
        }

        * {
            font-family: 'Poppins', sans-serif;
        }

        body {
            background: var(--light);
            overflow-x: hidden;
        }

        /* ===== NAVBAR ===== */
        .navbar {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-brand i {
            -webkit-text-fill-color: var(--primary);
            margin-right: 8px;
        }

        .lang-switch {
            display: flex;
            background: #f1f5f9;
            border-radius: 50px;
            padding: 4px;
            gap: 4px;
        }

        .lang-btn {
            border: none;
            background: transparent;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #64748b;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .lang-btn.active {
            background: var(--gradient-1);
            color: white;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
        }

        .lang-btn:hover:not(.active) {
            color: var(--primary);
        }

        .btn-login {
            background: var(--gradient-1);
            color: white;
            border: none;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(124, 58, 237, 0.4);
            color: white;
        }

        /* ===== HERO ===== */
        .hero {
            padding: 140px 0 100px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
            top: -200px;
            right: -200px;
            border-radius: 50%;
            animation: float 8s ease-in-out infinite;
        }

        .hero::after {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(236,72,153,0.15) 0%, transparent 70%);
            bottom: -150px;
            left: -150px;
            border-radius: 50%;
            animation: float 10s ease-in-out infinite reverse;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(30px, -30px); }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(124, 58, 237, 0.1);
            color: var(--primary);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(124, 58, 237, 0.2);
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        .hero-title {
            font-size: 4rem;
            font-weight: 800;
            line-height: 1.1;
            color: var(--dark);
            margin-bottom: 24px;
        }

        .hero-title .gradient-text {
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: #64748b;
            line-height: 1.7;
            margin-bottom: 40px;
            max-width: 90%;
        }

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

        .btn-primary-custom {
            background: var(--gradient-1);
            color: white;
            border: none;
            padding: 16px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(124, 58, 237, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(124, 58, 237, 0.45);
            color: white;
        }

        .btn-outline-custom {
            background: white;
            color: var(--dark);
            border: 2px solid #e2e8f0;
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* Hero Image / Card */
        .hero-visual {
            position: relative;
            z-index: 2;
        }

        .hero-card-main {
            background: white;
            border-radius: 28px;
            padding: 32px;
            box-shadow: 0 30px 60px rgba(15, 23, 42, 0.12);
            position: relative;
            transform: rotate(-2deg);
            transition: transform 0.5s ease;
        }

        .hero-card-main:hover {
            transform: rotate(0deg) scale(1.02);
        }

        .hero-card-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 20px;
        }

        .avatar-stack {
            display: flex;
        }

        .avatar-stack img, .avatar-stack .avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 3px solid white;
            margin-left: -12px;
            object-fit: cover;
        }

        .avatar-stack .avatar:first-child {
            margin-left: 0;
        }

        .avatar {
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .hero-card-title {
            font-weight: 700;
            color: var(--dark);
            font-size: 1.1rem;
            margin: 0;
        }

        .hero-card-subtitle {
            color: #94a3b8;
            font-size: 0.85rem;
            margin: 0;
        }

        .mini-chat {
            background: #f8fafc;
            border-radius: 16px;
            padding: 16px;
            margin-bottom: 12px;
        }

        .chat-bubble {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
        }

        .chat-bubble:last-child {
            margin-bottom: 0;
        }

        .chat-bubble .avatar {
            width: 32px;
            height: 32px;
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .bubble-text {
            background: white;
            padding: 10px 14px;
            border-radius: 14px;
            font-size: 0.85rem;
            color: #334155;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }

        .chat-bubble.own {
            flex-direction: row-reverse;
        }

        .chat-bubble.own .bubble-text {
            background: var(--gradient-1);
            color: white;
        }

        .floating-card {
            position: absolute;
            background: white;
            border-radius: 18px;
            padding: 16px 20px;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
            animation: floatCard 6s ease-in-out infinite;
        }

        .floating-card.card-1 {
            top: -30px;
            left: -40px;
            animation-delay: 0s;
        }

        .floating-card.card-2 {
            bottom: -40px;
            right: -20px;
            animation-delay: 2s;
        }

        @keyframes floatCard {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }

        .floating-card .icon-box {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

        .floating-card h6 {
            margin: 0;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--dark);
        }

        .floating-card p {
            margin: 0;
            font-size: 0.75rem;
            color: #94a3b8;
        }

        /* ===== FEATURES ===== */
        .section {
            padding: 100px 0;
            position: relative;
        }

        .section-badge {
            display: inline-block;
            background: rgba(124, 58, 237, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .section-subtitle {
            color: #64748b;
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .feature-card {
            background: white;
            border-radius: 24px;
            padding: 40px 32px;
            height: 100%;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid #f1f5f9;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-1);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px rgba(15, 23, 42, 0.1);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 24px;
            transition: transform 0.3s ease;
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.1) rotate(-5deg);
        }

        .icon-purple { background: rgba(124, 58, 237, 0.1); color: var(--primary); }
        .icon-pink { background: rgba(236, 72, 153, 0.1); color: var(--secondary); }
        .icon-amber { background: rgba(245, 158, 11, 0.1); color: var(--accent); }
        .icon-blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }

        .feature-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .feature-card p {
            color: #64748b;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== INVITE SECTION ===== */
        .invite-section {
            background: var(--gradient-1);
            border-radius: 32px;
            padding: 80px 60px;
            position: relative;
            overflow: hidden;
            color: white;
        }

        .invite-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            top: -150px;
            right: -100px;
        }

        .invite-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            bottom: -100px;
            left: -100px;
        }

        .invite-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .invite-text {
            font-size: 1.1rem;
            opacity: 0.95;
            margin-bottom: 32px;
            position: relative;
            z-index: 1;
        }

        .invite-form {
            position: relative;
            z-index: 1;
            max-width: 500px;
        }

        .invite-input {
            border: 2px solid rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(10px);
            color: white;
            border-radius: 50px;
            padding: 16px 28px;
            font-size: 1rem;
            width: 100%;
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }

        .invite-input::placeholder {
            color: rgba(255,255,255,0.7);
        }

        .invite-input:focus {
            outline: none;
            border-color: white;
            background: rgba(255,255,255,0.25);
            color: white;
        }

        .invite-input:focus::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .btn-invite {
            background: white;
            color: var(--primary);
            border: none;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            width: 100%;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .btn-invite:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.3);
            color: var(--secondary);
        }

        .invite-stats {
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            padding: 20px;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 0.9rem;
            opacity: 0.9;
        }

        /* ===== FOOTER ===== */
        footer {
            background: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            margin-top: 100px;
        }

        footer .navbar-brand {
            -webkit-text-fill-color: white;
            margin-bottom: 16px;
            display: inline-block;
        }

        footer .navbar-brand i {
            -webkit-text-fill-color: var(--primary);
        }

        footer p {
            font-size: 0.95rem;
            line-height: 1.7;
        }

        footer h6 {
            color: white;
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 1rem;
        }

        footer a {
            color: #94a3b8;
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        footer a:hover {
            color: var(--primary);
        }

        .social-links {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all 0.3s ease;
            margin: 0;
        }

        .social-links a:hover {
            background: var(--gradient-1);
            color: white;
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.85rem;
        }

        /* ===== MODAL ===== */
        .modal-content {
            border-radius: 28px;
            border: none;
            padding: 20px;
        }

        .modal-header {
            border: none;
            padding-bottom: 0;
        }

        .modal-title {
            font-weight: 800;
            font-size: 1.6rem;
            color: var(--dark);
        }

        .modal-body {
            padding: 30px 20px;
        }

        .modal-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--gradient-1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 2rem;
            color: white;
            box-shadow: 0 15px 30px rgba(124, 58, 237, 0.3);
        }

        .modal-input {
            border: 2px solid #e2e8f0;
            border-radius: 14px;
            padding: 14px 18px;
            font-size: 1rem;
            width: 100%;
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }

        .modal-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
        }

        .btn-modal-primary {
            background: var(--gradient-1);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 14px;
            font-weight: 600;
            width: 100%;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .btn-modal-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(124, 58, 237, 0.4);
            color: white;
        }

        .modal-note {
            text-align: center;
            color: #94a3b8;
            font-size: 0.85rem;
            margin-top: 16px;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 991px) {
            .hero-title { font-size: 2.8rem; }
            .hero-subtitle { font-size: 1.05rem; max-width: 100%; }
            .hero { padding: 120px 0 60px; }
            .hero-visual { margin-top: 60px; }
            .floating-card.card-1 { left: 0; top: -20px; }
            .floating-card.card-2 { right: 0; bottom: -20px; }
            .invite-section { padding: 50px 30px; }
            .invite-title { font-size: 1.8rem; }
            .section-title { font-size: 2rem; }
            .section { padding: 60px 0; }
        }

        @media (max-width: 576px) {
            .hero-title { font-size: 2.2rem; }
            .lang-btn span { display: none; }
            .lang-btn { padding: 6px 12px; }
            .btn-login { padding: 8px 18px; font-size: 0.9rem; }
            .hero-cta { flex-direction: column; }
            .hero-cta .btn-primary-custom,
            .hero-cta .btn-outline-custom { width: 100%; justify-content: center; }
            .invite-section { padding: 40px 20px; }
            .floating-card { display: none; }
            .stat-number { font-size: 1.8rem; }
        }
        /* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
    .hero-title { font-size: 2.8rem; }
    .hero-subtitle { font-size: 1.05rem; max-width: 100%; }
    .hero { padding: 120px 0 60px; }
    .hero-visual { margin-top: 60px; }
    .floating-card.card-1 { left: 0; top: -20px; }
    .floating-card.card-2 { right: 0; bottom: -20px; }
    .invite-section { padding: 50px 30px; }
    .invite-title { font-size: 1.8rem; }
    .section-title { font-size: 2rem; }
    .section { padding: 60px 0; }

    /* Mobil navbar fix */
    .navbar-collapse {
        background: white;
        border-radius: 20px;
        padding: 20px;
        margin-top: 12px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }

    .navbar-nav .nav-link {
        padding: 12px 16px !important;
        border-radius: 12px;
        transition: background 0.2s ease;
    }

    .navbar-nav .nav-link:hover {
        background: rgba(124, 58, 237, 0.08);
    }
}

@media (max-width: 576px) {
    .hero-title { font-size: 2.2rem; }
    .btn-login { padding: 8px 18px; font-size: 0.9rem; }
    .hero-cta { flex-direction: column; }
    .hero-cta .btn-primary-custom,
    .hero-cta .btn-outline-custom { width: 100%; justify-content: center; }
    .invite-section { padding: 40px 20px; }
    .floating-card { display: none; }
    .stat-number { font-size: 1.8rem; }

    /* Kisebb nyelvválasztó mobilon, de a szöveg LÁTSZIK */
    .lang-switch { padding: 3px; }
    .lang-btn {
        padding: 6px 10px;
        font-size: 0.75rem;
        gap: 4px;
    }
    .lang-btn .lang-label {
        display: inline; /* korábban ez volt elrejtve - most már látszik */
    }
    .navbar-brand {
        font-size: 1.15rem;
    }
    .navbar-toggler i {
        font-size: 1.5rem !important;
    }
}

@media (max-width: 380px) {
    /* Nagyon kicsi kijelzőn rövidítjük a feliratot */
    .lang-btn .lang-label {
        font-size: 0.7rem;
    }
    .lang-btn {
        padding: 5px 8px;
    }
}